WO2023033042A1 - 非燃焼加熱型香味吸引器用たばこシート、非燃焼加熱型香味吸引器、及び非燃焼加熱型香味吸引システム - Google Patents
非燃焼加熱型香味吸引器用たばこシート、非燃焼加熱型香味吸引器、及び非燃焼加熱型香味吸引システム Download PDFInfo
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- WO2023033042A1 WO2023033042A1 PCT/JP2022/032765 JP2022032765W WO2023033042A1 WO 2023033042 A1 WO2023033042 A1 WO 2023033042A1 JP 2022032765 W JP2022032765 W JP 2022032765W WO 2023033042 A1 WO2023033042 A1 WO 2023033042A1
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- tobacco
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
- A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
- A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/01—Making cigarettes for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/20—Cigarettes specially adapted for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
Definitions
- the present invention relates to a tobacco sheet for a non-combustion heating flavor inhaler, a non-combustion heating flavor inhaler, and a non-combustion heating flavor inhalation system.
- a combustion-type flavor inhaler obtains flavor by burning tobacco fillings including leaf tobacco and tobacco sheets.
- Patent Literature 1 discloses a tobacco sheet used in a combustion type flavor inhaler.
- a non-combustion heating type flavor inhaler has been proposed that obtains flavor by heating a flavor source such as a tobacco sheet instead of burning it.
- the heating temperature of the non-combustion-heating flavor inhaler is lower than the combustion temperature of the combustion-type flavor inhaler, for example, about 400° C. or less.
- an aerosol generating agent can be added to the flavor source in the non-combustion heating type flavor inhaler from the viewpoint of increasing the amount of smoke.
- the aerosol-generating agent is vaporized by heating to generate an aerosol. Since the aerosol is supplied to the user together with flavor components such as tobacco components, the user can obtain sufficient flavor.
- a non-combustion heating flavor inhaler can comprise, for example, a tobacco-containing segment filled with tobacco sheets or the like, a cooling segment, and a filter segment.
- the axial length of the tobacco-containing segment of the non-combustion-heating flavor inhaler is generally shorter than the axial length of the tobacco-containing segment of the normal combustion-type flavor inhaler in relation to the heating heater. Therefore, in the non-combustion heating type flavor inhaler, a large amount of tobacco sheets are filled in the short tobacco-containing segments in order to secure the amount of aerosol generated during heating.
- non-combustion heating type flavor inhalers usually use tobacco sheets with low swelling, that is, high density tobacco sheets.
- the swelling property is a value indicating the volume of a tobacco sheet having a predetermined mass when notches are compressed under a constant pressure for a certain period of time.
- Patent Literature 2 discloses a tobacco sheet used in a non-combustion heating type flavor inhaler.
- the present inventors believe that if a tobacco sheet with low swelling (high density) is used, the total heat capacity of the tobacco-containing segment increases. It was found that the tobacco sheet filled in the tobacco-containing segment does not sufficiently contribute to the generation of aerosol depending on the heating method and the capacity of the heater. In order to solve this problem, it is conceivable to reduce the total heat capacity of the tobacco-containing segment.
- the present inventors (1) reduce the specific heat of the tobacco raw material contained in the tobacco sheet, and (2) use a highly bulky (low-density) tobacco sheet. I considered using it. However, as for (1), it is difficult to reduce the specific heat of the tobacco raw material itself, so it was considered effective to reduce the total heat capacity of the tobacco-containing segment by (2). Therefore, it is desired to develop a highly bulky (low density) tobacco sheet suitable for non-combustion heating type flavor inhalers.
- An object of the present invention is to provide a highly bulky non-combustion heating flavor inhaler tobacco sheet, a non-combustion heating flavor inhaler including the tobacco sheet, and a non-combustion heating flavor inhalation system.
- a tobacco sheet for a non-combustion heated flavor inhaler comprising a fibrous material.
- Aspect 2 A sheet according to aspect 1, further comprising a dry tobacco material comprising a dry tobacco material and an aerosol-generating agent and having a moisture content of greater than 5% and no greater than 7.5% by weight.
- Aspect 3 3. The sheet of aspect 2, wherein the aerosol-generating agent is a mixture of glycerin and propylene glycol.
- Aspect 6 A tobacco-containing segment comprising the sheet according to any one of aspects 1 to 5,
- a non-combustion heated flavor inhaler comprising:
- Aspect 7 A non-combustion heated flavor inhaler according to aspect 6; a heating device for heating the tobacco-containing segment;
- a non-combustion heated flavor suction system A dry tobacco filler according to aspect 4, wherein the aerosol-generating agent is a mixture of propylene glycol and glycerin.
- the present invention it is possible to provide a highly bulky non-combustion heating flavor inhaler tobacco sheet, a non-combustion heating flavor inhaler including the tobacco sheet, and a non-combustion heating flavor inhalation system.
- FIG. 2 schematically shows the production of dry tobacco filler. It is a perspective view showing an example of a non-combustion heating type flavor inhaler. It is a figure which shows the internal structure of an aerosol generator. It is a perspective view which shows a closed state of an example of a cigarette pack. Fig.
- 6 is a perspective view showing an open state of the cigarette pack of Fig. 5;
- 2 is a graph showing the relationship between the heating time of a microwave oven and the moisture content of the tobacco filler, and the relationship between the heating time of the microwave oven and the surface temperature of the tobacco filler.
- 4 is a graph showing the relationship between the amount of silica gel and the moisture content of tobacco filler.
- 4 is a graph showing the relationship between tobacco filler moisture content and mainstream smoke temperature, and the relationship between tobacco filler moisture content and chip temperature.
- 1 is a graph showing the relationship between the moisture content of a tobacco filler and the nicotine content in the tobacco filler.
- 1 is a graph showing the relationship between the moisture content of a tobacco filler and the content of glycerin in the tobacco filler.
- 4 is a graph showing the relationship between the moisture content of tobacco fillers and the content of propylene glycol in tobacco fillers.
- 3 is a graph showing the relationship between the heating time of the microwave oven and the moisture content of the tobacco filler, and the relationship between the heating time of the microwave oven and the surface temperature of the tobacco filler.
- 4 is a graph showing the relationship between the amount of silica gel and the moisture content of tobacco filler.
- 4 is a graph showing the relationship between tobacco filler moisture content and mainstream smoke temperature, and the relationship between tobacco filler moisture content and chip temperature.
- 1 is a graph showing the relationship between the moisture content of tobacco fillers and the nicotine content in mainstream smoke.
- 1 is a graph showing the relationship between the moisture content of tobacco fillers and the glycerin content in mainstream smoke.
- 1 is a graph showing the relationship between the moisture content of tobacco fillers and the content of propylene glycol in mainstream smoke.
- 1 is a graph showing the relationship between the content of an aerosol-generating agent in tobacco filler and the content of components in mainstream smoke.
- 1 is a graph showing the relationship between the content of glycerin in tobacco filler and the content of components in mainstream smoke.
- 1 is a graph showing the relationship between the content of an aerosol-generating agent in tobacco filler and the content of components in mainstream smoke.
- 1 is a graph showing the relationship between the content of propylene glycol in tobacco filler and the content of components in mainstream smoke.
- a tobacco sheet for a non-combustion heating type flavor inhaler (hereinafter also referred to as "tobacco sheet") according to this embodiment includes a fibrous material. Since the tobacco sheet according to this embodiment contains a fibrous material, it is bulky and has a high swelling property. Therefore, by using the tobacco sheet according to the present embodiment, the total heat capacity of the tobacco-containing segment can be reduced, and the tobacco sheet filled in the tobacco-containing segment can sufficiently contribute to aerosol generation.
- the tobacco sheet according to the present embodiment preferably further contains a tobacco raw material, an aerosol-generating agent, and a molding agent. By setting the mixing ratio of these ingredients within a predetermined range, the swelling property of the tobacco sheet is further improved. .
- the fibrous material contained in the tobacco sheet according to this embodiment is not particularly limited as long as it is a material having a fibrous shape such as fibers.
- fibrous materials include fibrous pulp, fibrous tobacco materials, and fibrous synthetic cellulose. These may be used alone or in combination of two or more. Among these, fibrous pulp is preferable as the fibrous material from the viewpoint of fiber rigidity.
- the ratio of the fibrous material contained in 100% by mass of the tobacco sheet is preferably 5-50% by mass. By setting the ratio of the fibrous material to 5% by mass or more, a bulkiness that can ensure the function can be realized. Further, since the proportion of the fibrous material is 50% by mass or less, sufficient tobacco aroma and aerosol can be generated during heating.
- the proportion of the fibrous material is more preferably 5 to 47% by mass, even more preferably 5 to 45% by mass, and particularly preferably 5 to 40% by mass.
- the tobacco sheet according to the present embodiment may further contain tobacco raw material.
- the tobacco raw material is not particularly limited as long as it contains tobacco components, and examples thereof include tobacco powder and tobacco extract.
- Tobacco powder includes, for example, leaf tobacco, core bones, residual stems, and the like. These may be used alone or in combination of two or more. By chopping these into a predetermined size, they can be used as tobacco powder.
- the size of the tobacco powder it is preferable that the cumulative 90% particle size (D90) in the volume-based particle size distribution measured by the dry laser diffraction method is 200 ⁇ m or more from the viewpoint of further improving the swelling property.
- the tobacco extract for example, leaf tobacco is crushed, mixed and stirred with a solvent such as water to extract a water-soluble component from the leaf tobacco, and the resulting water extract is dried under reduced pressure and concentrated. Tobacco extracts obtained may be mentioned.
- the ratio of the tobacco raw material contained in 100% by mass of the tobacco sheet is preferably 30 to 91% by mass.
- a sufficient tobacco aroma can be generated during heating.
- a sufficient amount of an aerosol-generating agent and a molding agent can be included.
- the proportion of the tobacco raw material is more preferably 50 to 90% by mass, even more preferably 55 to 85% by mass, and particularly preferably 60 to 80% by mass.
- the tobacco sheet according to the present embodiment preferably further contains a molding agent from the viewpoint of securing the shape.
- Molding agents include, for example, polysaccharides, proteins, synthetic polymers and the like. These may be used alone or in combination of two or more. Examples of polysaccharides include cellulose derivatives and naturally occurring polysaccharides.
- Cellulose derivatives include, for example, cellulose ethers such as methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxymethylethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, benzylcellulose, tritylcellulose, cyanoethylcellulose, carboxymethylcellulose, carboxyethylcellulose, aminoethylcellulose; Organic acid esters such as cellulose, cellulose formate, cellulose propionate, cellulose butyrate, cellulose benzoate, cellulose phthalate, and tosyl cellulose; and inorganic acid esters such as cellulose nitrate, cellulose sulfate, cellulose phosphate, and cellulose xanthate. be done.
- cellulose ethers such as methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxymethylethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, benzylcellulose, tritylcellulose
- Naturally-derived polysaccharides include guar gum, tara gum, roasted bean gum, tamarind seed gum, pectin, arabic gum, tragacanth gum, karaya gum, gutti gum, arabinogalactan, amaseed gum, cascha gum, psyllium seed gum, and mugwort seed gum.
- plant-derived polysaccharides agar, alginic acid, propylene glycol alginate, furcelleran, algae-derived polysaccharides such as fukuronori extract; xanthan gum, gellan gum, curdlan, pullulan, Agrobacterium succinoglycan, welan gum, macro Microorganism-derived polysaccharides such as homopsis gum and rhamzan gum; crustacean-derived polysaccharides such as chitin, chitosan, and glucosamine; and starches such as starch, sodium starch glycolate, pregelatinized starch, and dextrin.
- proteins examples include grain proteins such as wheat gluten and rye gluten.
- Synthetic polymers include, for example, polyphosphoric acid, sodium polyacrylate, polyvinylpyrrolidone, and the like.
- the proportion of the molding agent contained in 100% by mass of the tobacco sheet is preferably 0.1 to 15% by mass.
- the ratio of the molding agent is 0.1% by mass or more, the raw material mixture can be easily molded into a sheet. Further, since the ratio of the molding agent is 15% by mass or less, it is possible to sufficiently use other raw materials for ensuring the functions required for the tobacco-containing segment of the non-combustion heating type flavor inhaler.
- the ratio of the molding agent is more preferably 0.2 to 13% by mass, still more preferably 0.5 to 12% by mass, and particularly preferably 1 to 10% by mass.
- the tobacco sheet according to this embodiment preferably further contains an aerosol-generating agent.
- Aerosol-generating agents include, for example, glycerin, propylene glycol, 1,3-butanediol and the like. These may be used alone or in combination of two or more.
- the ratio of the aerosol-generating agent contained in 100% by mass of the tobacco sheet is preferably 5 to 50% by mass.
- the proportion of the aerosol generating agent is 5% by mass or more, sufficient aerosol can be generated during heating from the viewpoint of quantity.
- the proportion of the aerosol generating agent is 50% by mass or less, sufficient aerosol can be generated during heating from the viewpoint of heat capacity.
- the proportion of the aerosol generating agent is more preferably 6 to 45% by mass, even more preferably 8 to 40% by mass, and particularly preferably 10 to 30% by mass.
- the tobacco sheet according to the present embodiment may further contain a reinforcing agent from the viewpoint of further improving physical properties.
- the reinforcing agent include liquid substances such as pulp and pectin suspension having a surface coating function that forms a film when dried. These may be used alone or in combination of two or more.
- the ratio of the reinforcing agent contained in 100% by mass of the tobacco sheet is preferably 0.1 to 20% by mass.
- the proportion of the reinforcing agent is within this range, other raw materials can be sufficiently used to ensure the functions required for the tobacco-containing segment of the non-combustion heating type flavor inhaler.
- the ratio of the reinforcing agent is more preferably 0.2 to 18% by mass, more preferably 0.5 to 15% by mass.
- the tobacco sheet according to this embodiment may further contain a humectant from the viewpoint of maintaining quality.
- moisturizing agents include sugar alcohols such as sorbitol, erythritol, xylitol, maltitol, lactitol, mannitol, and reduced maltose starch syrup. These may be used alone or in combination of two or more.
- the ratio of the humectant contained in 100% by mass of the tobacco sheet is preferably 1 to 15% by mass. Within this range, other raw materials can be sufficiently used to secure the functions required for the tobacco-containing segment of the non-combustion-heating flavor inhaler.
- the ratio of the moisturizing agent is more preferably 2 to 12% by mass, even more preferably 3 to 10% by mass.
- the tobacco sheet according to the present embodiment may contain a flavoring agent such as a fragrance and a flavoring agent, if necessary.
- a flavoring agent such as a fragrance and a flavoring agent, if necessary.
- Colorants, wetting agents, preservatives, diluents such as inorganic substances, and the like may be included.
- the tobacco sheet according to the present embodiment has a swelling property of 190 cc/100 g or more.
- the swelling property is 190 cc/100 g or more, the total heat capacity of the tobacco-containing segment of the non-combustion heating type flavor inhaler can be sufficiently reduced, and the tobacco sheet filled in the tobacco-containing segment is generated by aerosol generation. be able to contribute.
- the swelling property is more preferably 210 cc/100 g or more, more preferably 230 cc/100 g or more.
- the upper limit of the swelling range is not particularly limited, it can be, for example, 800 cc/100 g or less.
- the swelling property was measured by cutting a tobacco sheet into a size of 0.8 mm x 9.5 mm, leaving it in a conditioned room at 22°C and 60% for 48 hours, and measuring DD-60A (trade name, manufactured by Borgwald). ) is the value measured by The measurement is carried out by placing 15 g of cut tobacco sheets in a cylindrical container with an inner diameter of 60 mm and compressing the container with a load of 3 kg for 30 seconds to obtain the volume.
- the "tobacco sheet” is formed by molding the constituents of the tobacco sheet into a sheet shape.
- sheet refers to a shape having a pair of substantially parallel main surfaces and side surfaces.
- the length and width of the tobacco sheet are not particularly limited, and can be appropriately adjusted according to the manner of filling.
- the thickness of the tobacco sheet is not particularly limited, but is preferably 100 to 1000 ⁇ m, more preferably 150 to 600 ⁇ m, in terms of heat transfer efficiency and strength.
- the tobacco sheet according to this embodiment can be produced by a known method such as a rolling method or a casting method.
- a known method such as a rolling method or a casting method.
- Various tobacco sheets manufactured by such a method are disclosed in detail in "Encyclopedia of Tobacco, Tobacco Research Center, March 31, 2009".
- Examples of methods for producing tobacco sheets by rolling include methods including the following steps. (1) A step of mixing water, tobacco powder, an aerosol-generating agent, a molding agent, and fibrous pulp to obtain a mixture. (2) A step of rolling the mixture by putting it into rolling rollers. (3) A step of peeling off the rolled product on the rolling roller with a doctor knife, transferring it to a net conveyor, and drying it with a dryer.
- the surface of each rolling roller may be heated or cooled, and the number of rotations of each rolling roller may be adjusted, depending on the purpose. Further, by adjusting the distance between the rolling rollers, it is possible to obtain a tobacco sheet having a desired basis weight.
- Examples of methods for producing tobacco sheets by casting include methods including the following steps. (1) A step of mixing water, tobacco powder, an aerosol-generating agent, a molding agent, and fibrous pulp to obtain a mixture. (2) A step of thinly spreading (casting) the mixture and drying to form a tobacco sheet.
- a slurry obtained by mixing water, tobacco powder, an aerosol generating agent, a molding agent, and fibrous pulp is irradiated with ultraviolet rays or X-rays to remove some components such as nitrosamines. may be added.
- the non-combustion heating flavor inhaler comprises a tobacco-containing segment including the tobacco sheet according to this embodiment. Since the non-combustion heating type flavor inhaler according to the present embodiment includes the tobacco-containing segment filled with the highly bulky tobacco sheet according to the present embodiment, the total heat capacity of the tobacco-containing segment can be sufficiently reduced. This allows the tobacco sheets loaded into the tobacco-containing segments to contribute more to aerosol generation.
- FIG. 4 An example of the non-combustion heating type flavor inhaler according to this embodiment is shown in FIG. 4 and a filter segment 5 .
- the non-combustion-heating flavor inhaler according to this embodiment may have segments other than the tobacco-containing segment, cooling segment, center hole segment, and filter segment.
- the axial length of the non-combustion heating type flavor inhaler according to the present embodiment is not particularly limited, but is preferably 40 mm or more and 90 mm or less, more preferably 50 mm or more and 75 mm or less, 50 mm or more, It is more preferably 60 mm or less.
- the circumference of the non-combustion heating flavor inhaler is preferably 16 mm or more and 25 mm or less, more preferably 20 mm or more and 24 mm or less, and even more preferably 21 mm or more and 23 mm or less.
- the length of the tobacco-containing segment is 20 mm
- the length of the cooling segment is 20 mm
- the length of the center hole segment is 8 mm
- the length of the filter segment is 7 mm.
- the length of the filter segment can be selected within a range of 4 mm or more and 10 mm or less.
- the ventilation resistance of the filter segments at that time is selected to be 15 mmH 2 O/seg or more and 60 mmH 2 O/seg or less per segment.
- the tobacco sheet according to the present embodiment is filled in wrapping paper (hereinafter also referred to as "wrapper").
- the method of packing the tobacco sheet into the wrapping paper is not particularly limited.
- the tobacco sheet may be wrapped in a wrapper, or the tobacco sheet may be packed in a cylindrical wrapper.
- the tobacco sheet may be filled in the wrapper such that the longitudinal direction is in an unspecified direction, and the tobacco-containing segment 2 may be packed in an axial direction or a longitudinal direction. They may be aligned and filled in a direction perpendicular to the axial direction.
- the tobacco sheet may be incorporated in the form of a laminated body of sheets, may be incorporated in the form of being spirally wound, or may be incorporated in the form of being folded into a bellows shape.
- the cooling segment 3 may be configured by a cylindrical member 7.
- the tubular member 7 may be, for example, a paper tube formed by processing cardboard into a cylindrical shape.
- the tubular member 7 and the mouthpiece lining paper 12, which will be described later, are provided with perforations 8 penetrating both. Due to the presence of the perforations 8 outside air is introduced into the cooling segment 3 during suction. As a result, the vaporized aerosol component generated by heating the tobacco-containing segment 2 comes into contact with the outside air, and its temperature decreases, liquefying to form an aerosol.
- the diameter (spanning length) of the perforations 8 is not particularly limited, but may be, for example, 0.5 mm or more and 1.5 mm or less.
- the number of perforations 8 is not particularly limited, and may be one or two or more. For example, multiple perforations 8 may be provided on the circumference of the cooling segment 3 .
- the amount of outside air introduced through the perforations 8 is preferably 85% by volume or less, more preferably 80% by volume or less, relative to the total volume of the gas inhaled by the user.
- the ratio of the amount of outside air is 85% by volume or less, it is possible to sufficiently suppress reduction in flavor due to dilution by outside air.
- this is also called a ventilation ratio.
- the lower limit of the ventilation ratio range is preferably 55% by volume or more, more preferably 60% by volume or more.
- the cooling segment may also be a segment comprising a crumpled, pleated, gathered or folded sheet of suitable construction material.
- the cross-sectional profile of such elements may exhibit randomly oriented channels.
- the cooling segment may also include a bundle of longitudinally extending tubes.
- Such cooling segments may be formed, for example, from pleated, gathered, or folded sheet material wrapped with wrapping paper.
- the axial length of the cooling segment can be, for example, 7 mm or more and 28 mm or less, and can be, for example, 18 mm.
- the cooling segment can be substantially circular in its axial cross-sectional shape, and its diameter can be, for example, 5 mm or more and 10 mm or less, and can be, for example, about 7 mm.
- the center hole segment is composed of a filling layer having one or more hollow portions and an inner plug wrapper (inner wrapping paper) covering the filling layer.
- the center hole segment 4 is composed of a second filling layer 9 having a hollow portion and a second inner plug wrapper 10 covering the second filling layer 9 .
- the center hole segment 4 has the function of increasing the strength of the mouthpiece segment 6 .
- the second filling layer 9 is filled with, for example, cellulose acetate fibers at a high density, and a plasticizer containing triacetin is added in an amount of 6% by mass or more and 20% by mass or less based on the mass of cellulose acetate and hardened to have an inner diameter of ⁇ 1.0 mm.
- the second packed layer 9 has a high packing density of fibers, air and aerosol flow only in the hollow portion and hardly flow in the second packed layer 9 during suction. Since the second filling layer 9 inside the center hole segment 4 is a fiber filling layer, the feeling of touch from the outside during use hardly causes the user to feel uncomfortable. Note that the center hole segment 4 may not have the second inner plug wrapper 10 and may retain its shape by thermoforming.
- the configuration of the filter segment 5 is not particularly limited, it may be composed of a single or a plurality of packed layers.
- the outer side of the packing layer may be wrapped with one or more wrapping papers.
- the per-segment ventilation resistance of the filter segments 5 can be appropriately changed depending on the amount of filler, the material, and the like with which the filter segments 5 are filled.
- the ventilation resistance can be increased by increasing the amount of cellulose acetate fiber with which the filter segment 5 is filled.
- the packing density of the cellulose acetate fiber can be 0.13-0.18 g/cm 3 .
- the airflow resistance is a value measured by an airflow resistance measuring instrument (trade name: SODIMAX, manufactured by SODIM).
- the length of the circumference of the filter segment 5 is not particularly limited, it is preferably 16 to 25 mm, more preferably 20 to 24 mm, even more preferably 21 to 23 mm.
- the axial length of the filter segment 5 can be selected from 4 to 10 mm, and is selected so that its ventilation resistance is from 15 to 60 mmH 2 O/seg.
- the axial length of the filter segment 5 is preferably 5-9 mm, more preferably 6-8 mm.
- the cross-sectional shape of the filter segment 5 is not particularly limited, but may be, for example, circular, elliptical, or polygonal.
- the filter segment 5 may be directly added with destructible capsules containing perfume, perfume beads, and perfume.
- the center hole segment 4 and the filter segment 5 can be connected with an outer plug wrapper (outer wrapping paper) 11.
- the outer plug wrapper 11 can be, for example, cylindrical paper.
- the tobacco-containing segment 2, the cooling segment 3, and the connected center hole segment 4 and filter segment 5 can be connected by the mouthpiece lining paper 12. These connections can be made, for example, by applying glue such as vinyl acetate glue to the inner surface of the mouthpiece lining paper 12, inserting the three segments, and winding them.
- these segments may be divided into multiple times and connected with multiple lining papers.
- the non-combustion heating flavor inhalation system includes the non-combustion heating flavor inhaler according to this embodiment, and a heating device that heats the tobacco-containing segment of the non-combustion heating flavor inhaler.
- the non-combustion-heating flavor inhalation system according to the present embodiment may have a configuration other than the non-combustion-heating flavor inhaler and the heating device according to the present embodiment.
- the non-combustion heating flavor inhalation system shown in FIG. 2 includes a non-combustion heating flavor inhaler 1 according to this embodiment and a heating device 13 that heats the tobacco-containing segment of the non-combustion heating flavor inhaler 1 from the outside. Prepare.
- FIG. 2(a) shows the state before the non-combustion heating flavor inhaler 1 is inserted into the heating device 13, and FIG. indicates the state of
- the heating device 13 shown in FIG. 2 includes a body 14, a heater 15, a metal tube 16, a battery unit 17, and a control unit 18.
- the body 14 has a cylindrical recess 19, and a heater 15 and a metal tube are provided on the inner side surface of the recess 19 at positions corresponding to the tobacco-containing segments of the non-combustion heating flavor inhaler 1 inserted into the recess 19. 16 are arranged.
- the heater 15 can be a heater using electric resistance, and electric power is supplied from the battery unit 17 according to an instruction from the control unit 18 for temperature control, and the heater 15 is heated. The heat emitted from the heater 15 is transmitted to the tobacco-containing segment of the non-combustion heating flavor inhaler 1 through the metal pipe 16 with high thermal conductivity.
- FIG. 2(b) there is a gap between the outer circumference of the non-combustion-heating flavor inhaler 1 and the inner circumference of the metal tube 16 because it is schematically illustrated.
- the heating device 13 heats the tobacco-containing segment of the non-combustion-heating flavor inhaler 1 from the outside, but it may heat from the inside.
- the heating temperature of the heating device is not particularly limited, it is preferably 400°C or lower, more preferably 150°C or higher and 400°C or lower, and even more preferably 200°C or higher and 350°C or lower.
- the heating temperature indicates the temperature of the heater of the heating device.
- the non-combustion heating type flavor inhaler does not diffuse the moisture of the tobacco material and the vapor generated from the aerosol generating agent by heating from the tip of the article, so that the user can
- a new problem was found that the heat of the aerosol and the heat of the mouth end of the article are felt when inhaled. Therefore, as a first aspect, the following describes a non-combustion heating type in which the user hardly feels the heat of the aerosol or the heat of the mouthpiece of the article when inhaling, and the quality stability of the tobacco filler is excellent and the satisfaction of use is further enhanced.
- a tobacco sheet providing flavor inhaler is described.
- a tobacco sheet that provides a non-combustion heating type flavor inhaler that makes it difficult for the user to feel the heat of the aerosol and the heat of the mouth end of the article when inhaling and that has improved sucking response will be described.
- the tobacco sheet of this embodiment is formed from a fibrous material and a dry tobacco filler containing a dry tobacco material and an aerosol-generating agent and having a water content of more than 5 mass % and not more than 7.5 mass %.
- the sheet may or may not contain components other than the fibrous material and the dry tobacco filler.
- an aerosol generating agent may be called an aerosol source.
- the amount of dry tobacco filler in the sheet is preferably less than 50 wt%, more preferably 5-45 wt%, even more preferably 10-30 wt%.
- Fillers are materials for filling tobacco segments.
- the dry tobacco filler comprises a fibrous material, a dry tobacco material, and an aerosol-generating agent, and is formed from a dry tobacco filler having a moisture content of greater than 5% and no greater than 7.5% by weight.
- a sheet is provided.
- the "dry tobacco filler” has a moisture content of more than 5% by mass and 7.5% by mass or less, preferably 5.1 to 7.5% by mass, more preferably 5.1 to 7.0% by mass. and more preferably a water content of 5.5 to 7.0 mass %.
- the moisture content of the dry tobacco filler represents the ratio (% by mass) of water to the total mass of the dry tobacco filler.
- “Dry tobacco filler” can be obtained by drying "tobacco filler used in existing non-combustion heating type flavor inhalers (hereinafter also referred to as untreated tobacco filler)" as shown in FIG. can.
- the untreated tobacco filler T3a includes tobacco material T1a and aerosol generator T2, and generally has a moisture content of 10-15% by mass.
- the water content of the untreated tobacco filler also represents the ratio (mass %) of water to the total weight of the untreated tobacco filler. Drying the untreated tobacco filler T3a removes moisture from the tobacco material T1a, thereby preparing a dry tobacco filler T3b. Accordingly, the tobacco material included in the "dry tobacco filler” is referred to herein as the "dry tobacco material”.
- the tobacco material T1a becomes dry tobacco material T1b by removing moisture, but most of the aerosol generating agent T2 remains without being removed.
- the aerosol-generating agent T2 may exist on the surface of the tobacco material T1a or the dry tobacco material T1b, or may penetrate into the tobacco material T1a or the dry tobacco material T1b and be incorporated therein.
- the “tobacco material T1a” contained in the unprocessed tobacco filler T3a may be cut tobacco ready to be blended into tobacco products, or raw materials containing such cut tobacco may be made into any shape. It may also be a tobacco molded article obtained by molding into. "Tobacco shredded ready to be blended into tobacco products” generally undergoes a drying process at a farm, followed by a long-term aging process of one to several years at a raw material factory, and then a manufacturing factory. It can be prepared via various processing treatments such as blending and chopping.
- cut tobacco ready to be blended into tobacco products includes cut deboned leaves, cut core ribs, reconstituted tobacco (i.e., leaf waste, cut waste, core waste, It may be shredded tobacco material processed into a reusable shape such as dust, or a mixture thereof.
- the "tobacco material T1a” is preferably a tobacco molding.
- the tobacco molded product may contain tobacco waste such as leaf waste and cut waste generated in a raw material factory or a manufacturing factory.
- the tobacco molded body may be molded in a size suitable for a non-combustion heating flavor inhaler, or may be cut into a size suitable for a non-combustion heating flavor inhaler after molding a large-sized molded body. good.
- the tobacco molded article may have any shape, for example, it may be a cylinder, a square prism, preferably a hexahedron, more preferably a rectangular parallelepiped, and even more preferably a regular square prism.
- a tobacco molded product refers to a molded product obtained by molding a raw material including cut tobacco into an arbitrary shape.
- Tobacco moldings are, for example, tobacco sheets or tobacco granules.
- the sheet can be formed by a known method such as a papermaking method, a casting method, or a rolling method.
- tobacco granules refer to molded articles obtained by molding raw materials including cut tobacco into granules. Tobacco granules can be formed by known methods such as extrusion granulation, fluid bed granulation, and spray drying.
- the tobacco molded article may contain, for example, at least one binder selected from the group consisting of pullulan and hydroxypropylcellulose in order to maintain the shape of the molded article.
- the binder can be contained in an amount that exerts its effect as a binder and does not reduce the releasability of the tobacco flavor component. %.
- the tobacco molded article can maintain its shape without using a binder, it may not contain a binder. If the binder inhibits the release of the tobacco flavor component from the tobacco molded article, it is desirable not to include the binder.
- the tobacco molded product may contain a humectant in order to adjust the water content.
- Humectants also function as aerosol generators.
- Polyhydric alcohols can be used as moisturizing agents, such as glycerin, propylene glycol, sorbitol, xylitol, and erythritol. These polyhydric alcohols can be used singly or in combination of two or more. When a humectant is contained, it can be usually contained in an amount of 5 to 15% by mass with respect to the total mass of the tobacco molded product.
- the tobacco molded product may additionally contain a flavoring material, and the flavoring material can be solid or liquid.
- flavoring agents include menthol, spearmint, peppermint, cocoa, carob, coriander, licorice, orange peel rosepips, chamomile flower, lemon verbena, sugars (such as fructose and sucrose), and the like.
- the flavoring agent can be contained in an amount of 0.5 to 45% by mass with respect to the total mass of the tobacco molded product.
- “Aerosol-generating agent” is a source (liquid) for generating vapor (gas) when the dry tobacco filler is blended in the non-combustion heating type flavor inhaler and heated.
- An “aerosol-generating agent” is a source (liquid) for generating a dispersion medium (gas) of an aerosol (mainstream smoke), and does not include fine particles (tobacco flavor components, etc.) in the aerosol. That is, the tobacco flavor component migrates from the dry tobacco material into the vapor generated by heating the aerosol generating agent to generate an aerosol (mainstream smoke).
- the aerosol-generating agent may be incorporated during preparation of the tobacco molded article as described above, or may be added after preparation of the tobacco molded article.
- Aerosol-generating agents include glycerin, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.
- the aerosol-generating agent is preferably a mixture of glycerin and propylene glycol.
- the weight ratio of glycerin and propylene glycol can be, for example, 80:20 to 97.5:2.5.
- the aerosol-generating agent can be included in the untreated tobacco filler in an amount of, for example, 15-19% by weight relative to the untreated tobacco filler.
- the dry tobacco filler may optionally contain additional ingredients such as the flavoring agents described above.
- the "moisture content" of dry tobacco fillers and the “moisture content” of untreated tobacco fillers can be determined using GC-TCD as follows.
- GC-TCD conditions can be, for example, the following conditions.
- GC-TCD Hewlett Packard 6890 gas chromatograph Column ;HP Polapack Q (packed column) Constant Flow mode 20.0mL/min Injection ;1.0 ⁇ L Inlet ;EPC purge packed column inlet Heater;230°C Gas;He total flow;21.1mL/min Oven ;160°C(hold 4.5min) ⁇ (60°C/min) ⁇ 220°C(hold 4.0min) Detector ;TCD detector Reference Gas (He) flow rate ;20 mL/min Make-up gas (He) 3.0mL/min Signal rate ;5Hz
- dry tobacco filler can be produced by drying untreated tobacco filler to the desired moisture content.
- the untreated tobacco filler comprises tobacco material and an aerosol-generating agent and typically has a moisture content of 10-15% by weight.
- a method for producing a dry tobacco filler comprises drying a tobacco filler comprising a tobacco material and an aerosol-generating agent (i.e., an untreated tobacco filler) to produce greater than 5% by weight and 7.5% by weight. comprising preparing a dry tobacco filler having a moisture content of:
- Drying may be carried out by drying the untreated tobacco filler itself, or by wrapping the untreated tobacco filler with wrapping paper to produce a tobacco rod, and then drying the tobacco rod.
- the non-combustion-heating flavor inhaler may be dried. Drying the untreated tobacco filler can remove some of the water content of the tobacco filler without substantially removing the aerosol-generating agent due to the high boiling point of the aerosol-generating agent.
- Drying can be performed by any drying method as long as a dried tobacco filler having a desired moisture content is obtained.
- drying can be done by microwave heating.
- the moisture content of the tobacco filler can be adjusted by adjusting the heating time (Fig. 8).
- Microwave heating can typically be done with a microwave oven. When using a 500 W microwave oven, a heating time of, for example, 30-40 seconds can be employed for 5 g of untreated tobacco filler (FIG. 8).
- drying can be performed by placing the untreated tobacco filler together with a desiccant under sealed conditions. For example, drying can be carried out at a temperature of 15-25° C. for 10-15 days.
- Silica gel or the like can be used as the desiccant.
- the moisture content of the tobacco filler can be adjusted by adjusting the amount of the desiccant (Fig. 9).
- silica gel is used as a desiccant, for example, 2-4 g of silica gel can be used for 5 g of untreated tobacco filler (FIG. 9).
- drying may be performed by hot air drying or by vacuum drying.
- the drying is preferably carried out under conditions where the surface temperature of the tobacco filler is 65°C or lower. Drying is more preferably carried out under the condition that the surface temperature of the tobacco filler is normal temperature (ie, 20°C) to 65°C. If the surface temperature of the tobacco filler becomes too high, the content of the aerosol-generating agent contained in the tobacco filler may decrease. In addition, if the surface temperature of the tobacco filler becomes too high, the cell membranes and cell walls of the tobacco material will be damaged, and the tobacco flavor components will be easily released from the tobacco material. may be too much.
- the surface temperature of the tobacco filler refers to the temperature measured by a thermography camera, FLIR-C2 machine manufactured by FLIR System Inc.
- tobacco filler distinguishes between tobacco filler before drying (i.e., untreated tobacco filler), tobacco filler in the process of drying, and dried tobacco filler. It is used when you want to call it without
- the dry tobacco filler thus prepared is mixed with the fiber material to form a sheet for a non-combustion heated flavor inhaler.
- the sheet can be formed by a known method, and examples thereof include the following method. 1) A sheet is prepared by a conventional method by mixing an untreated tobacco filler and a fiber material. 2) Process the dry tobacco filler into a powder or the like and mix it with a fiber material to prepare a sheet.
- Non-combustion heating type flavor inhaler A sheet formed from the dry tobacco filler described above can be incorporated into a non-combustion heated flavor inhaler (hereinafter simply referred to as a flavor inhaler). That is, according to another aspect, a tobacco rod including a sheet formed from the dry tobacco filler described above, a wrapping paper wrapped around the dry tobacco filler, a filter, the tobacco rod and the filter A non-combustion heated flavor inhaler is provided including a tipping member coupled to the Here, the tipping member means a member having a function as tipping paper generally used in cigarettes (that is, a function of connecting a tobacco rod and a filter). As a tipping member, in addition to paper (ie, tipping paper), sheets of any polymeric material can be used.
- non-combustion heating flavor inhaler and the heating device are collectively referred to in this specification as “non-combustion heating flavor inhalation system” or simply “flavor inhalation system”. That is, according to another aspect, a non-combustion heating flavor including the above-mentioned “non-combustion heating flavor inhaler” and a heating device for heating it to generate an aerosol (hereinafter also referred to as an aerosol generator) A suction system is provided.
- an electrically heated suction system including a flavor suction device and a heating device for electrically heating it is known (for example, WO96/32854 and WO2010/110226 ).
- FIG. 4 is a perspective view showing an example of a non-combustion heating flavor inhalation system.
- FIG. 5 is a diagram showing the internal structure of the aerosol generator.
- the flavor inhalation system 100 includes a flavor inhaler 1 including a sheet formed from the dry tobacco filler described above including dry tobacco material and an aerosol-generating agent, and a flavor inhaler 1 that is heated to produce an aerosol-generating agent. and an aerosol generator 120 for atomizing and releasing flavor components from the dry tobacco material.
- the flavor inhaler 1 is a replaceable cartridge and has a columnar shape extending along one direction.
- the flavor inhaler 1 is configured to generate an aerosol containing flavor components when heated while being inserted into the aerosol generator 120 .
- the longitudinal dimension of the flavor inhaler 1, that is, the length is preferably 40 to 90 mm, more preferably 50 to 75 mm, even more preferably 50 to 60 mm.
- the peripheral length of the flavor inhaler 1 is preferably 15 to 25 mm, more preferably 17 to 24 mm, even more preferably 20 to 23 mm.
- the length of the tobacco-containing segment 2 may be 20 mm
- the length of the paper tube portion may be 20 mm
- the length of the hollow plug may be 8 mm
- the length of the filter plug may be 7 mm.
- the segment length of can be changed as appropriate according to manufacturing aptitude, required quality, and the like.
- the filling includes a fiber material and a sheet formed from the dry tobacco filler described above including the dry tobacco material and the aerosol-generating agent.
- the sheet preferably comprises the above-described fiber material and the "dried tobacco filler".
- the sheet may contain components other than those described above.
- aerosol generating agent is heated at a predetermined temperature to generate vapor.
- aerosol-generating agents can include, for example, glycerin, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.
- the aerosol-generating agent can be included in the untreated tobacco filler in an amount of, for example, 15-19% by weight relative to the untreated tobacco filler.
- the content of the filler in the flavor inhaler 1 is, for example, 200-400 mg, preferably 250-320 mg, when the tobacco-containing segment 2 has a circumference of 22 mm and a length of 20 mm.
- the aerosol generator 120 has an insertion hole 130 into which the flavor inhaler 1 can be inserted. That is, the aerosol generator 120 has an inner cylindrical member 132 that forms the insertion hole 130 .
- the inner tubular member 132 may be made of a thermally conductive material such as aluminum or stainless steel (SUS).
- the aerosol generator 120 may have a lid portion 140 that closes the insertion hole 130 .
- the lid portion 140 is slidable and can change between a state in which the insertion hole 130 is closed and a state in which the insertion hole 130 is exposed (see FIG. 4).
- the aerosol generator 120 may have an air flow path 160 communicating with the insertion hole 130 .
- One end of the air channel 160 is connected to the insertion hole 130 , and the other end of the air channel 160 communicates with the outside (outside air) of the aerosol generator 120 at a location different from the insertion hole 130 .
- the aerosol generator 120 may have a lid portion 170 that covers the end of the air flow path 160 on the side communicating with the outside air.
- the lid portion 170 can cover the end of the air flow path 160 on the side communicating with the outside air, or can leave this end exposed.
- the lid portion 170 is in a state of covering the end portion of the air flow path 160, but does not airtightly block the air flow path 160. That is, the lid portion 170 covers the air flow path 160, but is separated from the end portion of the air flow path 160, so that outside air can flow into the air flow path 160 through the gap between them. ing.
- the user With the flavor inhaler 1 inserted into the aerosol generator 120, the user holds the mouthpiece and performs an inhalation operation. Outside air flows into the air flow path 160 due to the suction action of the user. The air that has flowed into the air flow path 160 passes through the flavor inhaler 1 inside the insertion hole 130 and is guided into the oral cavity of the user.
- the aerosol generator 120 may have a temperature sensor inside the air flow path 160 or on the outer surface of the wall forming the air flow path 160 .
- the temperature sensor may be, for example, a thermistor, a thermocouple, or the like.
- the internal temperature of the air passage 160 or the temperature of the air passage 160 changes due to the influence of the air flowing in the air passage 160 from the lid portion 170 side toward the later-described heater 30 side.
- the temperature of the wall that constitutes the A temperature sensor can detect the user's sucking action by measuring this temperature drop.
- the aerosol generator 120 has a battery B, a control unit 20, and a heater 30.
- Battery B stores power for use in aerosol generator 120 .
- Battery B may be a rechargeable secondary battery.
- Battery B may be, for example, a lithium-ion battery.
- the heater 30 may be provided around the inner cylinder member 132 .
- the space accommodating the heater 30 and the space accommodating the battery B may be separated from each other by the partition wall 180 .
- the air heated by heater 30 can be prevented from flowing into the space in which battery B is accommodated. Therefore, the temperature rise of battery B can be suppressed.
- the heater 30 preferably has a tubular shape capable of heating the outer circumference of the columnar flavor inhaler 1 .
- the heater 30 may be, for example, a film heater.
- the film heater may have a pair of film-like substrates and a resistance heating element sandwiched between the pair of substrates.
- the film-like substrate is preferably made of a material with excellent heat resistance and electrical insulation, typically made of polyimide.
- the resistance heating element is preferably made of one or more metal materials such as copper, nickel alloy, chromium alloy, stainless steel, platinum rhodium, etc. For example, it can be formed of a stainless steel base material.
- the resistance heating element may be plated with copper on the connection part and its lead part in order to connect with the power supply through the flexible printed circuit (FPC).
- a heat-shrinkable tube is preferably provided outside the heater 30 .
- a heat-shrinkable tube is a tube that shrinks radially by heat, and is made of, for example, a thermoplastic elastomer.
- the heater 30 is pressed against the inner cylindrical member 132 by the contraction action of the heat-shrinkable tube. As a result, the adhesion between the heater 30 and the inner cylinder member 132 is enhanced, so that the thermal conductivity from the heater 30 to the flavor inhaler 1 via the inner cylinder member 132 is enhanced.
- the aerosol generator 120 may have a cylindrical heat insulator radially outside the heater 30, preferably outside the heat shrink tube.
- the heat insulator may serve to prevent the outer surface of the housing of the aerosol generating device 120 from reaching excessively high temperatures by blocking the heat of the heater 30 .
- Insulators can be made from aerogels, such as silica aerogels, carbon aerogels, alumina aerogels, for example.
- the airgel as a thermal insulator may typically be a silicic aerogel with high thermal insulation performance and relatively low manufacturing cost.
- the heat insulating material may be a fiber heat insulating material such as glass wool or rock wool, or may be a foamed heat insulating material such as urethane foam or phenol foam.
- the insulation may be vacuum insulation.
- An outer cylindrical member 134 is provided outside the heat insulating material.
- a heat insulator may be provided between the inner tubular member 132 facing the flavor inhaler 1 and the outer tubular member 134 .
- the outer tubular member 134 may be made of a thermally conductive material such as aluminum or stainless steel (SUS). It is preferable that the heat insulating material is provided within a closed space.
- the control unit 20 may include a circuit board, central processing unit (CPU), memory, and the like. Also, the aerosol generator 120 may have a notification unit for notifying the user of various information under the control of the control unit 20 .
- the notification portion may be a light emitting element, such as a light emitting diode (LED), or a vibrating element, or a combination thereof.
- the control unit 20 When the control unit 20 detects the user's activation request, the control unit 20 starts supplying power from the battery B to the heater 30 .
- the user's activation request is made, for example, by the user's operation of a push button or slide switch, or by the user's suction action.
- a user activation request may be made by pressing a push button 150 . More specifically, the user's activation request may be made by pressing the push button 150 while the lid 140 is open. Alternatively, the user activation request may be made by sensing the user's sucking action. The user's sucking action can be detected, for example, by a temperature sensor as described above.
- the "dried tobacco filler” can be produced by placing an untreated tobacco filler together with a desiccant under sealed conditions (see the section ⁇ 2. Method for producing dried tobacco filler> above). reference).
- a fiber material may be added to form a sheet, and the sheet may be distributed as a product in the form of a flavor inhaler containing this.
- a flavor inhaler in the form of a sheet comprising the tobacco filler containing the fiber material when the treated tobacco filler and the fiber material are placed under sealed conditions with a desiccant but the desired moisture content has not yet been reached. may be distributed as a product. In the latter case, drying of the tobacco filler occurs during commercial distribution of the flavor inhaler containing the sheet formed from the tobacco filler, and the sheet reaches the desired moisture content.
- At least one non-combustion heated sheet comprising a wrapper, a fiber material contained within the wrapper, a tobacco filler material comprising tobacco material and an aerosol-generating agent. a flavor inhaler; and a desiccant incorporated within the package in an amount necessary for the tobacco filler to reach an equilibrium moisture content of greater than 5% by mass and no more than 7.5% by mass, wherein the tobacco filler is provides a packaged product that reaches an equilibrium moisture content of greater than 5% by weight and up to 7.5% by weight within said package.
- the non-combustion heated flavor inhaler is preferably contained under sealed conditions within the package.
- the package it is possible to use a sealing packaging body that is used as a packaging body for tobacco products such as cigarettes in the relevant technical field.
- the package is, for example, a cigarette pack generally used as a cigarette package, i.e., a cigarette pack composed of an outer pack made of a paper box with a hinge lid and an inner pack made of inner wrapping paper for wrapping a bundle of cigarettes.
- a can container having a can container body, a can lid, and a metal inner lid that covers the opening of the can container body and shuts off the internal space of the can container body from the outside air;
- It may be a PTP package (press through pack) used in drug packaging, that is, a package in which the contents are contained between a plastic part having a containing space and a plate-shaped aluminum part;
- It may be an SP package (strip package) used for drug packaging, that is, a package in which the peripheries of two thermoadhesive film sheets are heat-sealed and the contents are contained between them;
- it may be a sealed plastic bag.
- FIG. 6 shows an example of a cigarette pack. 6 shows the closed state of the cigarette pack, and FIG. 7 shows the opened state of the cigarette pack.
- a cigarette pack P4 includes a box P5 and a lid P6.
- the box P5 includes a box body P5a and an inner frame P5b. Box P5 has an opening at its upper end.
- a lid P6 is connected to the rear edge of the open end of the box P5 via a self-hinge P7. Lid P6 pivots around self hinge P7 to open and close the open end of box P5.
- the inner frame P5b is partially inserted into the box body P5a and protrudes from the opening of the box body P5a to form the open end of the box P5.
- Cigarette packs generally further include an inner pack (not shown) inside the box P5 and made of inner wrapping paper for wrapping the bundle of cigarettes.
- the cigarette pack usually further comprises a film wrapping material (not shown) having a tear tape on the outside of the box P5.
- the "non-combustion heating type flavor inhaler” for housing in the package is a flavor inhaler containing the "untreated tobacco filler T3a" shown in FIG.
- a commercially available tobacco stick for a non-combustion heating flavor inhalation system may be used, or an existing non-combustion heating type A flavor inhaler manufactured using a tobacco filler prepared for a flavor inhalation system (eg, a moisture content of 10-15% by weight) may also be used.
- the number of non-combustion heating type flavor inhalers housed in the package is at least one, for example 40 or less.
- the number of non-combustion heating flavor inhalers housed in the package is generally 10 to 20, for example 20.
- drying agent it is possible to use a drying agent that is normally used as a drying agent for foods and medicines, such as silica gel.
- the desiccant is incorporated into the package in an amount necessary to reach an equilibrium moisture content of greater than 5% and no more than 7.5% by weight of the tobacco filler.
- the moisture content of the tobacco filler can be adjusted by adjusting the amount of desiccant.
- a dry tobacco filler material having an equilibrium moisture content of greater than 5% and no greater than 7.5% by weight from an untreated tobacco filler having a moisture content of about 14% by weight when silica gel is used as the desiccant.
- 2 to 4 g of silica gel can be used for 5 g of tobacco filler.
- the moisture content of the sheet formed from the fiber material and tobacco filler changes over time. That is, immediately after the non-combustion heating flavor inhaler is housed in the package, the moisture content of the sheet is almost the same as that of the sheet formed from the fiber material and the tobacco filler before drying. The moisture content of the tobacco filler in the sheet is 10-15% by mass. After that, when the non-combustion heating type flavor inhaler is housed in the package, the drying of the sheet progresses due to the action of the desiccant, and the moisture content of the sheet decreases.
- the tobacco filler in the sheet has an equilibrium moisture content of more than 5% by mass and not more than 7.5% by mass, preferably an equilibrium moisture content of 5.1 to 7.5% by mass, more preferably 5.5% by mass. An equilibrium moisture content of 5-7.0% by weight is reached.
- the tobacco filler changes over time, but all of the "tobacco filler before drying”, “tobacco filler during drying”, and “tobacco filler after drying” are collectively referred to as "tobacco fillers”.
- the lower limit of the water content of the tobacco filler when the lower limit of the water content of the tobacco filler is set to a water content of more than 5% by mass, for example, a water content of 5.1% by mass or more, aerosols are generated in the tobacco filler even after the drying process.
- the content of agents and tobacco flavor sources (such as nicotine) can be maintained without being reduced.
- the property of stably maintaining the aerosol-generating agent and the tobacco flavor source (such as nicotine) after drying without reducing the content of the aerosol-generating agent and the tobacco flavor source (such as nicotine) during drying of the tobacco filling material. called “Quality Stability of Tobacco Filling Material”. "Quality stability of tobacco filling materials" is closely related to the transfer of the tobacco flavor source to the vapor generated by heating the aerosol generating agent and delivery to the user, so it is an important property for flavor inhalers. be.
- a sheet formed from a tobacco filler having a water content lower than 5% by mass and 7.5% by mass or less, preferably 5.1 to 7.5% by mass It is possible to provide a non-combustion heating type flavor inhaler in which a user hardly feels the heat of an aerosol or the heat of the mouth end of an article when inhaling, and in which the quality stability of the tobacco filling material is excellent.
- the tobacco sheet of this embodiment comprises a fiber material, a dry tobacco material and less than 20% by weight of an aerosol-generating agent, and is formed from a dry tobacco filler having a moisture content of 3-5% by weight.
- the amount of dry tobacco filler in the sheet is as described in the first aspect.
- a sheet formed from a dry tobacco filler comprising a fiber material, a dry tobacco material and less than 20% by weight of an aerosol-generating agent and having a moisture content of 3-5% by weight.
- the sheet can be used in a non-combustion heating flavor inhaler.
- the "dried tobacco filler” has a water content of 3.0 to 5.0% by mass, preferably a water content of 3.5 to 5.0% by mass, more preferably a water content of 4.0 to 5.0% by mass. have a rate.
- the moisture content of the dry tobacco filler represents the ratio (% by mass) of water to the total mass of the dry tobacco filler. Details of the dry tobacco filler other than the moisture content are as described in the first aspect.
- Aerosol-generating agents include glycerin, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.
- the aerosol-generating agent is preferably a mixture of glycerin and propylene glycol.
- the mass ratio of glycerin and propylene glycol can be, for example, 80:20 to 97.5:2.5.
- the aerosol-generating agent is included in an amount less than 20% by weight relative to the total weight of the dry tobacco filler.
- the amount of aerosol-generating agent contained in the dry tobacco filler is less than 20% by weight, preferably 19% by weight or less, more preferably 15-19% by weight, based on the total weight of the dry tobacco filler.
- the propylene glycol is preferably contained in an amount of 3% by mass or less relative to the total mass of the dry tobacco filler.
- the amount of propylene glycol contained in the dry tobacco filler is preferably 3% by mass or less, more preferably 1 to 3% by mass.
- the "aerosol generating agent amount" contained in the dry tobacco filler can be obtained as follows.
- the dried tobacco filler is extracted with a predetermined amount of ethanol (10 mL to 100 mL, adjusted appropriately according to the amount of dry tobacco filler), and the aerosol generator (eg, glycerin and propylene glycol) is extracted using GC-MS. Amount can be measured.
- Method for producing dry tobacco filler The method for producing the dry tobacco filler in this aspect is as described in the first aspect. However, in this aspect, it is preferable to dry as follows.
- the dry tobacco filler manufacturing method includes drying a tobacco filler containing a tobacco material and an aerosol generating agent under conditions where the surface temperature of the tobacco filler is 90° C. or less, It involves preparing a dry tobacco filler having a moisture content of 3-5% by weight.
- Drying may be carried out by drying the untreated tobacco filler itself, or by wrapping the untreated tobacco filler with wrapping paper to produce a tobacco rod, and then drying the tobacco rod.
- the non-combustion heating type flavor inhalation article may be dried. Drying the untreated tobacco filler can remove some of the water content of the tobacco filler without substantially removing the aerosol-generating agent due to the high boiling point of the aerosol-generating agent.
- Drying can be performed by any drying method as long as a dried tobacco filler having a desired moisture content is obtained.
- drying can be performed under conditions of room temperature and humidity of 30% or less.
- Room temperature is typically a temperature in the range of 5-35°C. Drying can be carried out at a temperature of preferably 5-35° C., more preferably 15-25° C., and a humidity of preferably 10-30%, more preferably 15-25%.
- drying can be performed by microwave heating.
- microwave heating the moisture content of the tobacco filler can be adjusted by adjusting the heating time (Fig. 14).
- Microwave heating can typically be done with a microwave oven. When using a 500 W microwave oven, a heating time of, for example, 40-60 seconds can be employed for 5.0 g of untreated tobacco filler (FIG. 14).
- drying can be performed by placing the untreated tobacco filler in the presence of a desiccant.
- drying can be accomplished by subjecting the untreated tobacco filler to sealed conditions with a desiccant.
- a desiccant For example, drying can be carried out at a temperature of 15-25° C. for 10-15 days.
- Silica gel or the like can be used as the desiccant.
- the moisture content of the tobacco filler can be adjusted by adjusting the amount of the desiccant (Fig. 15).
- silica gel for example, 4-10 g of silica gel can be used for 5.0 g of untreated tobacco filler (FIG. 15).
- drying may be performed by hot air drying or by vacuum drying.
- Drying can be performed under conditions where the surface temperature of the tobacco filler is 90°C or less. Drying is preferably carried out under conditions in which the surface temperature of the tobacco filler is normal temperature (ie, 20°C) to 90°C. Drying is more preferably carried out under conditions where the surface temperature of the tobacco filler is 65° C. or lower. Drying is more preferably carried out under conditions where the surface temperature of the tobacco filler is normal temperature (ie, 20°C) to 65°C. If the surface temperature of the tobacco filler becomes too high, the content of the aerosol-generating agent contained in the tobacco filler may decrease.
- the surface temperature of the tobacco filler refers to the temperature measured by a thermography camera, FLIR-C2 machine manufactured by FLIR System Inc.
- a sheet for a non-combustion heating flavor inhaler By mixing the dry tobacco filler thus prepared with the fiber material, a sheet for a non-combustion heating flavor inhaler can be obtained.
- the sheet forming method is as described in the first aspect.
- Non-combustion heating type flavor inhaler The non-combustion heating flavor inhaler and non-combustion heating flavor inhalation system in this aspect are as described in the first aspect.
- Packaging products The packaging product in this aspect is as described in the first aspect, except that the tobacco filler reaches an equilibrium moisture content of 3-5% by weight within said packaging.
- drying agent it is possible to use a drying agent that is commonly used as a drying agent for foods and medicines, and for example, silica gel can be used.
- a desiccant is incorporated into the package in an amount necessary to reach an equilibrium moisture content of 3-5% by weight of the tobacco filler.
- the moisture content of the tobacco filler can be adjusted by adjusting the amount of desiccant.
- the tobacco filler is For example, 4-10 g of silica gel can be used for 5.0 g.
- the moisture content of the sheet formed from the fiber material and tobacco filler changes over time. That is, immediately after the non-combustion heating flavor inhaler is housed in the package, the moisture content of the sheet is almost the same as that of the sheet formed from the fiber material and the tobacco filler before drying. , the moisture content of the tobacco filler in the sheet is 10 to 15% by mass. After that, when the non-combustion heating type flavor inhaler is housed in the package, the drying of the sheet progresses due to the action of the desiccant, and the moisture content of the sheet decreases. Finally, the tobacco filler in the sheet has an equilibrium moisture content of 3.0-5.0% by weight, preferably an equilibrium moisture content of 3.5-5.0% by weight, more preferably 4.0%. An equilibrium moisture content of ⁇ 5.0 wt% is reached.
- the mainstream smoke temperature and the surface temperature of the tipping paper in a non-combustion heating flavor inhaler containing a sheet formed from the tobacco filler can be reduced. This makes it difficult for the user to feel the heat of the aerosol or the heat of the mouth end of the article when inhaling.
- the amount of tobacco flavor sources such as nicotine
- the amount of aerosol (smoke volume) in mainstream tobacco smoke are increased. It is possible to improve the sucking response.
- the content of the aerosol generating agent in the tobacco filler is less than 20% by mass, the following effects are obtained.
- the aerosol in the tobacco filler evaporates, the heat of vaporization is lost, but when the content of the aerosol-generating agent in the tobacco filler is within the above range, the amount of heat of vaporization that is lost along with the vaporization of the aerosol-generating agent can be suppressed. . Thereby, a decrease in the heating efficiency of the tobacco filler can be suppressed.
- a sheet formed from a tobacco filler having a moisture content of 3 to 5% by mass and an aerosol-generating agent content of less than 20% by mass the user can It is possible to provide a non-combustion heating type flavor inhaler in which the heat of an aerosol and the heat of the mouth end of an article are hardly felt when inhaled, and the response to inhalation is improved.
- Tobacco lamina (leaf tobacco) was dry pulverized with a Hosokawa Micron ACM machine to obtain tobacco powder.
- the cumulative 90% particle diameter (D90) in the volume-based particle size distribution measured by the dry laser diffraction method is measured using a Mastersizer (trade name, manufactured by Spectris Co., Ltd., Malvern Panalytical Division). As a result, it was 200 ⁇ m.
- a tobacco sheet was produced by a rolling method. Specifically, 77 parts by mass of the tobacco raw material, 12 parts by mass of glycerin as an aerosol generating agent, 1 part by mass of carboxymethyl cellulose as a molding agent, and fibrous pulp as a fibrous material (canfor pulp) 10 parts by mass of dry defibrated product) were mixed and kneaded by an extruder. The kneaded product was formed into a sheet by two pairs of metal rolls and dried in a hot air circulating oven at 80° C. to obtain a tobacco sheet. The tobacco sheet was shredded to a size of 0.8 mm ⁇ 9.5 mm using a shredder.
- the swelling properties of the shredded tobacco sheets were measured. Specifically, the cut tobacco sheets were left in a conditioning room at 22° C. and 60% for 48 hours, and then measured for swelling with DD-60A (trade name, manufactured by Borgwald). The measurement was carried out by placing 15 g of cut tobacco sheets in a cylindrical container having an inner diameter of 60 mm and compressing the container with a load of 3 kg for 30 seconds to determine the volume. Table 1 shows the results. In addition, in Table 1, the swelling property is shown as an increase rate (%) of the swelling property with respect to the reference value of the swelling property value of Comparative Example 1 described later.
- Tobacco powder was prepared in the same manner as in Example 1. Using the tobacco powder as a tobacco raw material, a tobacco sheet was produced by a rolling method. Specifically, 87 parts by mass of the tobacco raw material, 12 parts by mass of glycerin as an aerosol generator, and 1 part by mass of carboxymethyl cellulose as a molding agent were mixed and kneaded by an extruder. The kneaded product was formed into a sheet by two pairs of metal rolls and dried in a hot air circulating oven at 80° C. to obtain a tobacco sheet. The tobacco sheet was shredded to a size of 0.8 mm ⁇ 9.5 mm using a shredder. The swelling properties of the shredded tobacco sheets were measured in the same manner as in Example 1. Table 1 shows the results.
- Example 1 which is the tobacco sheet according to the present embodiment, has improved swelling properties compared to the tobacco sheet of Comparative Example 1, which does not contain a fibrous material.
- Example 1 the tobacco sheet was produced by the rolling method, but when the tobacco sheet was similarly produced by the casting method, the swelling property was improved.
- Each tobacco stick before drying contains 0.25 g of tobacco filler (i.e., a mixture of tobacco compact and aerosol-generating agent), and the tobacco filler has a moisture content of 13.69% by mass. Then, the tobacco filler contains 15.60% by mass of the aerosol-generating agent relative to the tobacco filler.
- the aerosol generator is a mixture of glycerin and propylene glycol with a weight ratio of glycerin and propylene glycol of 93.48:6.52.
- a Microwave Oven Drying A commercially available microwave oven (DR-D219W5 (2014), 50 Hz, manufactured by Twinbird Industry Co., Ltd.) was used at 500W. Twenty tobacco sticks (tobacco filler; total 5.0 g) were heated in a microwave oven for a predetermined time. Heating times were 20 seconds, 40 seconds, 60 seconds, 80 seconds, or 100 seconds. After heating, 20 tobacco sticks were packed in a polypropylene (PP) zipper bag and sealed with an aluminum pouch bag. This produced a flavor inhaler. Immediately after manufacturing the flavor inhaler, the moisture content of the tobacco filler was measured.
- PP polypropylene
- Silica gel used was a commercial product for drying food (HD 1 g (blue), manufactured by Toyoda Kako Co., Ltd.). Twenty tobacco sticks (tobacco filler; 5.0 g in total) and a predetermined amount of silica gel were packed in a polypropylene (PP) zipper bag, sealed with an aluminum pouch, and allowed to stand for 3 weeks. Drying was performed at room temperature (20° C.). The amount of silica gel was 2g, 4g, 6g, 8g, or 10g. This produced a flavor inhaler. Immediately after manufacturing the flavor inhaler, the moisture content of the tobacco filler was measured.
- PP polypropylene
- FIG. 8 shows the relationship between the heating time of the microwave oven and the moisture content of the tobacco filler, and the relationship between the heating time of the microwave oven and the surface temperature of the tobacco filler.
- FIG. 9 shows the relationship between the amount of silica gel and the moisture content of the tobacco filler.
- the results in Figure 8 reveal the following. Increasing the microwave heating time decreased the moisture content of the tobacco filler. In addition, the surface temperature of the tobacco filler increased as the heating time in the microwave oven increased. For 20 tobacco sticks (tobacco filler; total 5.0 g), when a heating time of 30 to 40 seconds is adopted in a microwave oven of 500 W, the dryness having a moisture content of more than 5% by mass and 7.5% by mass or less is obtained. A tobacco filler could be prepared.
- a dried tobacco filler having a desired moisture content can be prepared by changing the degree of drying by adjusting the heating time and the amount of desiccant.
- Reference Example A2 Mainstream smoke temperature and chip temperature 2-1. Analysis of Mainstream Smoke Temperature and Chip Temperature
- the flavor inhalers produced in Reference Example A1 and the control flavor inhalers were heated with a Ploom S heating device (Japan Tobacco Inc.).
- the heating device has the structure shown in FIG. After heating, the flavor aspirator was aspirated with an automatic aspirator.
- chip temperature the temperature of mainstream smoke and the surface temperature of the mouthpiece of the flavor inhaler (hereinafter referred to as chip temperature) were analyzed.
- thermocouple product name: manufactured by Toa Denki Co., Ltd., model number TI-SP-K
- TI-SP-K thermocouple
- thermocouple manufactured by Toa Denki Co., Ltd., model number TI-SP-K
- TI-SP-K thermocouple
- FIG. 10 shows the relationship between the tobacco filler moisture content and mainstream smoke temperature, and the relationship between the tobacco filler moisture content and chip temperature.
- the tobacco filler when a tobacco filler with a low moisture content is used in a flavor inhaler, the user does not feel the heat of the aerosol or the heat of the mouthpiece of the article when inhaling. Also, in order to sufficiently lower mainstream smoke temperature and chip temperature, the tobacco filler preferably has a moisture content of 7.5% by mass or less, more preferably 7.0% by mass or less. I understand.
- the tobacco filler was removed from the flavor inhaler, and the contents of nicotine, glycerin, and propylene glycol in the tobacco filler were determined as follows.
- the removed tobacco filler was extracted with a predetermined amount of ethanol (10 mL to 100 mL, adjusted appropriately according to the amount of tobacco filler), and the amount of each component was measured using GC-MS.
- FIG. 11 shows the relationship between the moisture content of the tobacco filler and the nicotine content in the tobacco filler.
- FIG. 12 shows the relationship between the moisture content of the tobacco filler and the glycerin content in the tobacco filler.
- FIG. 13 shows the relationship between the moisture content of the tobacco filler and the content of propylene glycol in the tobacco filler.
- the moisture content of the tobacco filler is preferably greater than 5% by mass. It turns out that it is more preferable that it is more than mass %.
- the results of FIG. 8 show that the surface temperature of the tobacco filler rises to about 65°C when the moisture content of the tobacco filler is lowered to about 5% by mass. Therefore, in order to dry the tobacco filler while maintaining the amount of propylene glycol (aerosol-generating agent) in the tobacco filler, the tobacco filler must be dried so that the surface temperature of the tobacco filler is 65°C or less. It can be seen that it is preferable to carry out under the following conditions.
- Each tobacco stick before drying contains 0.25 g of tobacco filler (i.e., a mixture of tobacco compact and aerosol-generating agent), and the tobacco filler has a moisture content of 13.69% by mass. Then, the tobacco filler contains 15.60% by mass of the aerosol-generating agent relative to the tobacco filler.
- the aerosol generator is a mixture of glycerin and propylene glycol with a weight ratio of glycerin and propylene glycol of 93.48:6.52.
- a Microwave Oven Drying A commercially available microwave oven (DR-D219W5 (2014), 50 Hz, manufactured by Twinbird Industry Co., Ltd.) was used at 500W. Twenty tobacco sticks (tobacco filler; total 5.0 g) were heated in a microwave oven for a predetermined time. Heating times were 20 seconds, 40 seconds, 60 seconds, 80 seconds, or 100 seconds. After heating, 20 tobacco sticks were packed in a polypropylene (PP) zipper bag and sealed with an aluminum pouch bag. This produced a flavor inhaler. Immediately after manufacturing the flavor inhaler, the moisture content of the tobacco filler was measured.
- PP polypropylene
- Silica gel used was a commercial product for drying food (HD 1 g (blue), manufactured by Toyoda Kako Co., Ltd.). Twenty tobacco sticks (tobacco filler; 5.0 g in total) and a predetermined amount of silica gel were packed in a polypropylene (PP) zipper bag, sealed with an aluminum pouch, and allowed to stand for 3 weeks. Drying was performed at room temperature (20° C.). The amount of silica gel was 2g, 4g, 6g, 8g, or 10g. This produced a flavor inhaler. Immediately after manufacturing the flavor inhaler, the moisture content of the tobacco filler was measured.
- PP polypropylene
- FIG. 14 shows the relationship between the heating time of the microwave oven and the moisture content of the tobacco filler, and the relationship between the heating time of the microwave oven and the surface temperature of the tobacco filler.
- FIG. 15 shows the relationship between the amount of silica gel and the moisture content of the tobacco filler.
- Increasing the microwave heating time decreased the moisture content of the tobacco filler.
- the surface temperature of the tobacco filler increased as the heating time in the microwave oven increased.
- a dried tobacco filler having a desired moisture content can be prepared by changing the degree of drying by adjusting the heating time and the amount of desiccant.
- the amount of aerosol-generating agent contained in the tobacco filler was as follows. Control: 15.60% by mass Microwave drying 20 seconds: 15.55% by mass Microwave drying 40 seconds: 16.72% by mass Microwave drying 60 seconds: 16.25% by mass Microwave drying 80 seconds: 15.29% by mass Microwave drying 100 seconds: 14.74% by mass 2 g of dry silica gel: 15.11% by mass 4 g of dried silica gel: 15.38% by mass Silica gel dry 6 g: 15.12% by mass 8 g of dry silica gel: 15.43% by mass 10 g of dried silica gel: 15.59% by mass
- Reference Example B2 Mainstream smoke temperature and chip temperature 2-1. Analysis of Mainstream Smoke Temperature and Chip Temperature
- the flavor inhalers produced in Reference Example B1 and the control flavor inhalers were heated with a Ploom S heating device (Japan Tobacco Inc.).
- the heating device has the structure shown in FIG. After heating, the flavor aspirator was aspirated with an automatic aspirator.
- chip temperature the temperature of mainstream smoke and the surface temperature of the mouthpiece of the flavor inhaler (hereinafter referred to as chip temperature) were analyzed.
- thermocouple product name: manufactured by Toa Denki Co., Ltd., model number TI-SP-K
- TI-SP-K thermocouple
- thermocouple product name: manufactured by Toa Denki Co., Ltd., model number TI-SP-K
- TI-SP-K thermocouple
- FIG. 16 shows the relationship between tobacco filler moisture content and mainstream smoke temperature, and the relationship between tobacco filler moisture content and chip temperature.
- FIG. 17 shows the relationship between the moisture content of the tobacco filler and the nicotine content in mainstream smoke.
- FIG. 18 shows the relationship between the moisture content of the tobacco filler and the glycerin content in mainstream smoke.
- FIG. 19 shows the relationship between the moisture content of tobacco filler and the content of propylene glycol in mainstream smoke.
- the content of propylene glycol in mainstream smoke also increases sharply when the moisture content of the tobacco filler is 5% by mass or less, and increases when the moisture content of the tobacco filler is less than 3% by mass. The increase has accelerated.
- the moisture content of the tobacco filler is preferably 3 to 5% by mass, more preferably 4 to 5% by mass, in order to suppress adverse effects on the flavor and taste. preferable.
- the content of nicotine, glycerin, and propylene glycol in mainstream smoke could be moderately increased by reducing the moisture content of the tobacco filler to 5% by mass or less. That is, in the case of silica gel drying, when the moisture content of the tobacco filler was lowered to 5% by mass or less, the increase in nicotine, glycerin, and propylene glycol in mainstream smoke was moderate compared to microwave oven drying.
- silica gel drying is considered as follows. That is, although the cell membranes and cell walls of the tobacco material were not damaged by silica gel drying, the generation of water vapor during heating decreased due to the decrease in the water content of the tobacco filler, which increased the temperature of the tobacco filler, resulting in The content of nicotine, glycerin and propylene glycol in mainstream smoke is thought to have increased moderately. In this way, silica gel drying can moderately increase the content of nicotine, glycerin, and propylene glycol in mainstream smoke, and thus has a negative impact on flavor and taste (e.g., harshness and irritation) compared to microwave oven drying. ).
- flavor and taste e.g., harshness and irritation
- the results of FIG. 14 indicate that the surface temperature of the tobacco filler rises to about 90°C when the water content of the tobacco filler is lowered to about 3% by mass. Therefore, in order to dry the tobacco filler while suppressing adverse effects on the flavor and taste (for example, harshness and irritation), the tobacco filler must be dried at a temperature where the surface temperature of the tobacco filler is 90°C or less. It is preferable to carry out under the following conditions.
- FIG. 20A shows the relationship between the content of aerosol-generating agents in tobacco filler and the content of components in mainstream smoke.
- FIG. 20B shows the relationship between the content of glycerin in tobacco filler and the content of components in mainstream smoke.
- FIG. 21A shows the relationship between the content of aerosol-generating agents in tobacco filler and the content of components in mainstream smoke.
- FIG. 21B shows the relationship between the content of propylene glycol in tobacco filler and the content of components in mainstream smoke.
- G refers to glycerin, PG to propylene glycol, G+PG to a mixture of glycerin and propylene glycol, and Nic to nicotine.
- the content of the aerosol-generating agent (G + PG) in the tobacco filler is 20% by mass or more, even if the content of the aerosol-generating agent (G + PG) in the tobacco filler increases, the content of glycerin in mainstream smoke also increases. However, the content of propylene glycol in mainstream smoke decreased slightly. Further, when the content of the aerosol-generating agent (G + PG) in the tobacco filler is 20 mass% or more, even if the content of the aerosol-generating agent (G + PG) in the tobacco filler increases, the nicotine content in mainstream smoke is did not increase at all.
- the aerosol-generating agent When the aerosol-generating agent is heated, it evaporates into vapor, and tobacco flavor components such as nicotine migrate into the vapor, generating aerosol (mainstream smoke). As the aerosol-generating agent evaporates, the heat of vaporization is lost. Therefore, when the content of the aerosol-generating agent in the tobacco filler increases, the amount of heat of vaporization also increases, thereby reducing the heating efficiency of the tobacco filler. For this reason, it is believed that the higher the content of the aerosol-generating agent in the tobacco filler, the lower the migration rate of the high-boiling components (ie, glycerin and nicotine) into the aerosol.
- the high-boiling components ie, glycerin and nicotine
- the content of the aerosol-generating agent in the tobacco filler is preferably less than 20% by mass, more preferably 19% by mass or less, and still more preferably 15-19% by mass. Moreover, from the above results, it can be seen that when the aerosol-generating agent is a mixture of glycerin and propylene glycol, the content of propylene glycol in the tobacco filler is preferably 3% by mass or less, more preferably 1 to 3% by mass.
- Aspect 1 A tobacco sheet for a non-combustion heated flavor inhaler comprising a fibrous material.
- Aspect 2 A sheet according to aspect 1, further comprising a dry tobacco material comprising a dry tobacco material and an aerosol-generating agent and having a moisture content of greater than 5% and no greater than 7.5% by weight.
- Aspect 3 3. The sheet of aspect 2, wherein the aerosol-generating agent is a mixture of glycerin and propylene glycol.
- Aspect 4 A sheet according to aspect 1, further comprising a dry tobacco material comprising a dry tobacco material and less than 20% by weight of an aerosol-generating agent and having a moisture content of 3 to 5% by weight.
- Aspect 6 A tobacco-containing segment comprising the sheet according to any one of aspects 1 to 5,
- a non-combustion heated flavor inhaler comprising:
- Aspect 7 A non-combustion heated flavor inhaler according to aspect 6; a heating device for heating the tobacco-containing segment;
- a non-combustion heated flavor suction system A dry tobacco filler according to aspect 4, wherein the aerosol-generating agent is a mixture of propylene glycol and glycerin.
- a tobacco sheet for a non-combustion heating type flavor inhaler containing a fibrous material [2] The tobacco sheet for a non-combustion heating type flavor inhaler according to [1], wherein the fibrous material accounts for 5 to 50% by mass of 100% by mass of the tobacco sheet. [3] The non-combustion heated flavor according to [1] or [2], wherein the fibrous material is at least one selected from the group consisting of fibrous pulp, fibrous tobacco material, and fibrous synthetic cellulose. Tobacco sheet for inhaler. [4] The tobacco sheet for a non-combustion heating type flavor inhaler according to [3], wherein the fibrous material is fibrous pulp.
- a non-combustion heating flavor inhaler comprising a tobacco-containing segment including the tobacco sheet for a non-combustion heating flavor inhaler according to any one of [1] to [13].
- a dry tobacco filler comprising a dry tobacco material and an aerosol-generating agent and having a moisture content of more than 5% by mass and not more than 7.5% by mass.
- A2 The water content according to [A1], wherein the water content is 5.1 to 7.5% by mass, preferably 5.1 to 7.0% by mass, more preferably 5.5 to 7.0% by mass. Dry tobacco filler.
- A3 The dry tobacco filler according to [A1] or [A2], wherein the dry tobacco material is a shaped tobacco product.
- [B1] A dry tobacco filler containing a dry tobacco material and an aerosol-generating agent and having a moisture content of more than 5% by mass and not more than 7.5% by mass; and a wrapping paper wound around the dry tobacco filler. a tobacco rod, a filter, and a tipping member connecting said tobacco rod and said filter.
- [B2] The water content according to [B1], wherein the water content is 5.1 to 7.5% by mass, preferably 5.1 to 7.0% by mass, more preferably 5.5 to 7.0% by mass.
- Non-combustion heating type flavor inhaler [B3] The non-combustion-heating flavor inhaler according to [B1] or [B2], wherein the dried tobacco material is a molded tobacco product.
- [B4] The non-combustion heating flavor inhaler according to any one of [B1] to [B3], wherein the aerosol generating agent is a mixture of glycerin and propylene glycol.
- a non-combustion heating flavor inhalation system including the non-combustion heating flavor inhaler according to any one of [B1] to [B4] and an aerosol generator.
- the equilibrium water content is 5.1 to 7.5% by mass, preferably 5.1 to 7.0% by mass, more preferably 5.5 to 7.0% by mass. packaging products.
- [D3] The packaging product according to [D1] or [D2], wherein the tobacco material is a molded tobacco product.
- [D4] The packaging product according to any one of [D1] to [D3], wherein the aerosol-generating agent is a mixture of glycerin and propylene glycol.
- a dry tobacco filling comprising drying a tobacco filler comprising a tobacco material and an aerosol-generating agent to prepare a dry tobacco filler having a moisture content of more than 5% by mass and not more than 7.5% by mass. How the material is made.
- [E4] The method according to any one of [E1] to [E3], wherein the drying is performed by placing the tobacco filler in the presence of a desiccant.
- [F1] A dry tobacco filler produced by the method according to any one of [E1] to [E7].
- a dry tobacco filler comprising a dry tobacco material and less than 20% by mass of an aerosol-generating agent and having a water content of 3 to 5% by mass.
- a dry tobacco filler comprising a dry tobacco material and less than 20% by mass of an aerosol-generating agent and having a moisture content of 3 to 5% by mass; and a wrapping paper wrapped around the dry tobacco filler. a tobacco rod and a filter; A non-combustion heated flavor inhaler comprising a tipping member connecting said tobacco rod and said filter.
- the non-combustion heating flavor inhaler according to [b1] wherein the moisture content is 3.5 to 5% by mass, preferably 4 to 5% by mass.
- a non-combustion heating flavor inhaler comprising the non-combustion heating flavor inhaler according to any one of [b1] to [b6] and an aerosol generator.
- the packaging product wherein the tobacco filler reaches an equilibrium moisture content of 3-5% by weight within the packaging.
- the aerosol-generating agent is a mixture of propylene glycol and glycerol.
- a tobacco filler containing a tobacco material and an aerosol-generating agent is dried under conditions where the surface temperature of the tobacco filler is 90° C. or less to obtain a moisture content of 3 to 5% by mass.
- a method of making a dry tobacco filler comprising preparing a tobacco filler. [e2] The method according to [e1], wherein the drying is performed under the condition that the surface temperature of the tobacco filler is 65°C or lower. [e3] The method of [e1] or [e2], wherein the drying is performed at room temperature and a humidity of 30% or less.
- the method according to 1. [e8] The method according to any one of [e1] to [e7], wherein the tobacco material is a molded tobacco product.
- the aerosol generator is a mixture of propylene glycol and glycerol.
- the method of [e9] wherein the dry tobacco filler contains the propylene glycol in an amount of 3% by mass or less, preferably 1 to 3% by mass.
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Abstract
Description
態様1
ファイバー状材料を含む非燃焼加熱型香味吸引器用たばこシート。
態様2
さらに、乾燥たばこ材料とエアロゾル発生剤とを含み、5質量%より大きく7.5質量%以下の含水率を有する乾燥たばこ材料を含む、態様1に記載のシート。
態様3
前記エアロゾル発生剤が、グリセリンとプロピレングリコールとの混合物である態様2に記載のシート。
態様4
さらに、乾燥たばこ材料と20質量%未満のエアロゾル発生剤とを含み、3~5質量%の含水率を有する乾燥たばこ材料を含む、態様1に記載のシート。
態様5
前記エアロゾル発生剤が、プロピレングリコールとグリセリンの混合物である態様4に記載の乾燥たばこ充填材。
態様6
態様1~5のいずれか一項に記載のシートを含むたばこ含有セグメント、
を備える非燃焼加熱型香味吸引器。
態様7
態様6に記載の非燃焼加熱型香味吸引器と、
前記たばこ含有セグメントを加熱する加熱装置と、
を備える非燃焼加熱型香味吸引システム。
本実施形態に係る非燃焼加熱型香味吸引器用たばこシート(以下、「たばこシート」ともいう。)はファイバー状材料を含む。本実施形態に係るたばこシートはファイバー状材料を含むため、嵩高く、高い膨嵩性を有する。そのため、本実施形態に係るたばこシートを用いることでたばこ含有セグメントの総熱容量を低減することができ、たばこ含有セグメントに充填されたたばこシートをエアロゾル生成に十分に寄与させることができる。また、本実施形態に係るたばこシートはたばこ原料やエアロゾル発生剤、成型剤をさらに含むことが好ましく、これらの配合割合を所定の範囲内とすることで、たばこシートの膨嵩性がより向上する。
本実施形態に係るたばこシートに含まれるファイバー状材料としては、繊維のようなファイバー形状を有する材料であれば特に限定されない。ファイバー状材料としては、例えば、ファイバー状パルプ、ファイバー状たばこ材料、ファイバー状合成セルロース等が挙げられる。これらは一種を用いてもよく、二種以上を併用してもよい。これらの中でも、繊維剛性の観点から、ファイバー状材料としてはファイバー状パルプが好ましい。
前記ファイバー状材料がファイバー状たばこ材料以外である場合、本実施形態に係るたばこシートは、さらにたばこ原料を含むことができる。たばこ原料としてはたばこ成分が含まれるものであれば特に限定されないが、例えばたばこ粉末やたばこ抽出物が挙げられる。たばこ粉末としては、例えば葉たばこ、中骨、残幹等が挙げられる。これらは一種を用いてもよく、二種以上を併用してもよい。これらを所定の大きさに裁刻することで、たばこ粉末として使用することができる。たばこ粉末の大きさとしては、乾式レーザー回折法により測定される体積基準の粒度分布における累積90%粒子径(D90)が200μm以上であることが、更なる膨嵩性向上の観点から好ましい。たばこ抽出物としては、例えば葉たばこを粗砕し、これを水等の溶媒と混合・攪拌することで葉たばこから水溶性成分を抽出し、得られた水抽出物を減圧乾燥して濃縮することで得られるたばこ抽出物が挙げられる。
前記ファイバー状材料がファイバー状合成セルロース等のファイバー状成型剤以外である場合、本実施形態に係るたばこシートは、形状担保の観点から、さらに成型剤を含むことが好ましい。成型剤としては、例えば多糖類、タンパク、合成ポリマー等が挙げられる。これらは一種を用いてもよく、二種以上を併用してもよい。多糖類としては、例えばセルロース誘導体、天然由来の多糖類が挙げられる。
本実施形態に係るたばこシートは、加熱時の煙量増加の観点から、さらにエアロゾル発生剤を含むことが好ましい。エアロゾル発生剤としては、例えばグリセリン、プロピレングリコール、1,3-ブタンジオール等が挙げられる。これらは一種を用いてもよく、二種以上を併用してもよい。
前記ファイバー状材料がファイバー状パルプ等のファイバー状補強剤以外である場合、本実施形態に係るたばこシートは、更なる物性向上の観点から、さらに補強剤を含むことができる。補強剤としては、例えばパルプ、ペクチン懸濁水など乾燥すると膜を形成する表面コーティング機能をもった液状物質等が挙げられる。これらは一種を用いてもよく、二種以上を併用してもよい。
本実施形態に係るたばこシートは、品質保持の観点から、さらに保湿剤を含むことができる。保湿剤としては、例えばソルビトール、エリスリトール、キシリトール、マルチトール、ラクチトール、マンニトール、還元麦芽糖水飴等の糖アルコール等が挙げられる。これらは一種を用いてもよく、二種以上を併用してもよい。
本実施形態に係るたばこシートは、前記ファイバー状材料、前記たばこ原料、前記成型剤、前記エアロゾル発生剤、前記補強剤、前記保湿剤以外にも、必要に応じて香料、呈味料等の香味料、着色剤、湿潤剤、保存料、無機物質等の希釈剤等を含むことができる。
本実施形態に係るたばこシートの膨嵩性は、190cc/100g以上であることが好ましい。該膨嵩性が190cc/100g以上であることにより、非燃焼加熱型香味吸引器のたばこ含有セグメントの総熱容量を十分に低減することができ、たばこ含有セグメントに充填されたたばこシートがエアロゾル生成により寄与できるようになる。該膨嵩性は210cc/100g以上であることがより好ましく、230cc/100g以上であることがさらに好ましい。該膨嵩性の範囲の上限は特に限定されないが、例えば800cc/100g以下であることができる。なお、該膨嵩性は、たばこシートを0.8mm×9.5mmのサイズに裁刻し、22℃、60%の調和室内で48時間存置した後、DD-60A(商品名、ボルグワルド社製)にて測定される値である。測定は、裁刻されたたばこシート15gを内径60mmの円筒形容器に入れ、3kg荷重で30秒圧縮した時の容積を求めることで行われる。
本実施形態において「たばこシート」とは、たばこシートを構成する成分がシート形状に成形されたものである。ここで「シート」とは、略平行な1対の主面、及び側面を有する形状をいう。たばこシートの長さ及び幅は、特段制限されることはなく、充填する態様に合わせて適宜調整できる。たばこシートの厚さは、特に限定されないが、伝熱効率と強度の兼ね合いから、100~1000μmが好ましく、150~600μmがより好ましい。
本実施形態に係るたばこシートは、例えば圧延法、キャスト法等の公知の方法で製造することができる。このような方法で製造された各種たばこシートについては、「たばこの事典、たばこ総合研究センター、2009.3.31」に詳細が開示されている。
圧延法によりたばこシートを製造する方法としては、例えば、以下の工程を含む方法を挙げることができる。
(1)水、たばこ粉末、エアロゾル発生剤、成型剤、及びファイバー状パルプを混合して混合物を得る工程。
(2)当該混合物を圧延ローラに投入して圧延する工程。
(3)圧延ローラ上の圧延成形品をドクターナイフで剥離し、ネットコンベアーに移送し、乾燥機で乾燥する工程。
この方法でたばこシートを製造する場合、目的に応じて、各圧延ローラの表面を加温又は冷却してもよく、各圧延ローラの回転数を調整してもよい。また、各圧延ローラの間隔を調整することで、所望の坪量のたばこシートを得ることができる。
キャスト法によりたばこシートを製造する方法としては、例えば、以下の工程を含む方法を挙げることができる。
(1)水、たばこ粉末、エアロゾル発生剤、成型剤、及びファイバー状パルプを混合して混合物を得る工程。
(2)当該混合物を薄く延ばして(キャストして)乾燥し、たばこシートとする工程。
この方法でたばこシートを製造する場合、水、たばこ粉末、エアロゾル発生剤、成型剤、及びファイバー状パルプを混合したスラリーに対して紫外線照射もしくはX線照射することで、ニトロソアミン等の一部の成分を除去する工程を加えてもよい。
本実施形態に係る非燃焼加熱型香味吸引器は、本実施形態に係るたばこシートを含むたばこ含有セグメントを備える。本実施形態に係る非燃焼加熱型香味吸引器は、本実施形態に係る膨嵩性の高いたばこシートが充填されたたばこ含有セグメントを備えるため、たばこ含有セグメントの総熱容量を十分に低減することができ、たばこ含有セグメントに充填されたたばこシートがエアロゾル生成により寄与できるようになる。
たばこ含有セグメント2は、本実施形態に係るたばこシートが巻紙(以下、「ラッパー」ともいう)内に充填されている。たばこシートを巻紙内に充填する方法は特に限定されないが、例えばたばこシートをラッパーで包んでもよく、筒状のラッパー内にたばこシートを充填してもよい。たばこシートの形状が矩形状のように長手方向を有する場合、たばこシートは該長手方向がラッパー内でそれぞれ不特定の方向となるように充填されていてもよく、たばこ含有セグメント2の軸方向又は該軸方向に対して垂直な方向となるように整列させて充填されていてもよい。また当該たばこシートは、シートの積層体の形態で組み込まれてもよいし、渦巻き状に巻かれた形態で組み込まれてもよいし、蛇腹状に折り畳まれた形態で組み込まれてもよい。
図1に示されるように、冷却セグメント3は筒状部材7で構成される態様を挙げることができる。筒状部材7は例えば厚紙を円筒状に加工した紙管であってもよい。
センターホールセグメントは1つまたは複数の中空部を有する充填層と、該充填層を覆うインナープラグラッパー(内側巻紙)とで構成される。例えば、図1に示されるように、センターホールセグメント4は、中空部を有する第二の充填層9と、第二の充填層9を覆う第二のインナープラグラッパー10とで構成される。センターホールセグメント4は、マウスピースセグメント6の強度を高める機能を有する。第二の充填層9は、例えば酢酸セルロース繊維が高密度で充填されトリアセチンを含む可塑剤が酢酸セルロース質量に対して、6質量%以上、20質量%以下添加されて硬化された内径φ1.0mm以上、φ5.0mm以下のロッドとすることができる。第二の充填層9は繊維の充填密度が高いため、吸引時は、空気やエアロゾルは中空部のみを流れることになり、第二の充填層9内はほとんど流れない。センターホールセグメント4内部の第二の充填層9が繊維充填層であることから、使用時の外側からの触り心地は、使用者に違和感を生じさせることが少ない。なお、センターホールセグメント4が第二のインナープラグラッパー10を持たず、熱成型によってその形が保たれていてもよい。
フィルターセグメント5の構成は特に限定されないが、単数または複数の充填層から構成されてよい。充填層の外側は一枚または複数枚の巻紙で巻装されてよい。フィルターセグメント5のセグメント当たりの通気抵抗は、フィルターセグメント5に充填される充填物の量、材料等により適宜変更することができる。例えば、充填物が酢酸セルロース繊維である場合、フィルターセグメント5に充填される酢酸セルロース繊維の量を増加させれば、通気抵抗を増加させることができる。充填物が酢酸セルロース繊維である場合、酢酸セルロース繊維の充填密度は0.13~0.18g/cm3であることができる。なお、通気抵抗は通気抵抗測定器(商品名:SODIMAX、SODIM製)により測定される値である。
本実施形態に係る非燃焼加熱型香味吸引システムは、本実施形態に係る非燃焼加熱型香味吸引器と、該非燃焼加熱型香味吸引器のたばこ含有セグメントを加熱する加熱装置と、を備える。本実施形態に係る非燃焼加熱型香味吸引システムは、本実施形態に係る非燃焼加熱型香味吸引器及び前記加熱装置以外に、他の構成を有していてもよい。
本態様のたばこシートは、ファイバー状材料と、乾燥たばこ材料とエアロゾル発生剤とを含み5質量%より大きく7.5質量%以下の含水率を有する乾燥たばこ充填材と、から形成される。本明細書において、当該シートは、ファイバー状材料と乾燥たばこ充填材以外の成分を含んでいてもよいし、含んでいなくてもよい。また、エアロゾル発生剤をエアロゾル源ということがある。シートにおける乾燥たばこ充填材の量は、好ましくは50質量%未満であり、より好ましくは5~45質量%、さらに好ましくは10~30質量%である。充填材とは、たばこセグメントの充填物用の材料である。
本態様の一つの側面によれば、ファイバー状材料と、乾燥たばこ材料とエアロゾル発生剤とを含み、5質量%より大きく7.5質量%以下の含水率を有する乾燥たばこ充填材から形成されるシートが提供される。
GC-TCD;Hewlett Packard社製6890ガスクロマトグラフ
Column ;HP Polapack Q (packed column) Constant Flow mode 20.0 mL/min
Injection ;1.0μL
Inlet ;EPC purge packed column inlet Heater;230℃
Gas;He Total flow;21.1 mL/min
Oven ;160℃(hold 4.5 min)→(60℃/min)→220℃(hold 4.0 min)
Detector ;TCD検出器Reference Gas(He)流量;20 mL/min
make up gas(He)3.0 mL/min
Signal rate ;5 Hz
上述のとおり、乾燥たばこ充填材は、未処理たばこ充填材を所望の含水率まで乾燥させることにより製造することができる。上述のとおり、未処理たばこ充填材は、たばこ材料とエアロゾル発生剤とを含み、通常10~15質量%の含水率を有する。
1)未処理たばこ充填材とファイバー材料を混合して、定法によってシートを調製する。
2)乾燥たばこ充填材を粉末などに加工し、ファイバー材料を混合してシートを調製する。
上述の乾燥たばこ充填材から形成されたシートは、非燃焼加熱型香味吸引器(以下、単に香味吸引器ともいう)に組み込むことができる。すなわち、別の側面によれば、上述の乾燥たばこ充填材から形成されたシートと、前記乾燥たばこ充填材の周囲に巻かれた巻紙とを含むたばこロッドと、フィルタと、前記たばこロッドと前記フィルタとを連結するチッピング部材とを含む非燃焼加熱型香味吸引器が提供される。ここで、チッピング部材は、シガレットで一般に使用されるチップペーパーとしての機能(すなわち、たばこロッドとフィルタとを連結する機能)を有する部材を意味する。チッピング部材として、紙(すなわち、チップペーパー)に加えて、任意の高分子素材のシートを使用することができる。
上述のとおり、「乾燥たばこ充填材」は、未処理たばこ充填材を乾燥剤と共に密封条件下に置くことにより製造することができる(上述の<2.乾燥たばこ充填材の製造方法>の欄を参照)。この場合、所望の含水率を有する「乾燥たばこ充填材」を製造した後に、ファイバー材料を添加してシートとし、これを含む香味吸引器の形態で商品として流通させてもよいし、あるいは、未処理たばこ充填材とファイバー材料を乾燥剤と共に密封条件下に置いているが所望の含水率にまだ達していない時期に、ファイバー材料を含むたばこ充填材をシートとし、これを含む香味吸引器の形態で商品として流通させてもよい。後者の場合、たばこ充填材から形成されたシートを含む香味吸引器が商品として流通している間に、たばこ充填材の乾燥が起こり、シートは所望の含水率に達する。
缶容器本体と、缶蓋と、缶容器本体の開口部を覆って缶容器本体の内部空間を外気と遮断する金属製の内蓋とを有する缶容器あってもよいし;
薬剤の包装で使用されるPTP包装体(press through pack)、すなわち内容物を、収容空間を有するプラスチック部分と板状のアルミ部分との間に収容する包装体であってもよいし;
薬剤の包装で使用されるSP包装体(strip package)、すなわち2枚の熱接着性フィルムシートの周縁部をヒートシールにより接着してその間に内容物を収容する包装体であってもよいし;または
密封性のビニール袋であってもよい。
本発明に従って、たばこ充填材の含水率を7.5質量%以下まで低下させると、当該たばこ充填材から形成されたシートを含む非燃焼加熱型香味吸引器において、主流煙温度およびチップペーパーの表面温度を低下させることができる。これにより、ユーザが吸引時にエアロゾルの熱さや物品の吸口端の熱さを感じにくくなる。
本態様のたばこシートは、ファイバー材料と、乾燥たばこ材料と20質量%未満のエアロゾル発生剤とを含み、3~5質量%の含水率を有する乾燥たばこ充填材から形成される。シートにおける乾燥たばこ充填材の量は、第1の態様で説明した通りである。
一つの側面によれば、ファイバー材料と、乾燥たばこ材料と20質量%未満のエアロゾル発生剤とを含み、3~5質量%の含水率を有する乾燥たばこ充填材から形成されたシートが提供される。当該シートは、非燃焼加熱型香味吸引器に用いることができる。「乾燥たばこ充填材」は、3.0~5.0質量%の含水率、好ましくは3.5~5.0質量%の含水率、より好ましくは4.0~5.0質量%の含水率を有する。本明細書において、乾燥たばこ充填材の含水率は、乾燥たばこ充填材の総質量に対する水分の質量の割合(質量%)を表す。含水率以外についての乾燥たばこ充填材の詳細は、第1の態様で説明した通りである。
本態様における乾燥たばこ充填材の製造方法は、第1の態様で説明したとおりである。ただし、本態様においては、以下のように乾燥を行うことが好ましい。
本態様における非燃焼加熱型香味吸引器および非燃焼加熱型香味吸引システムは、第1の態様で説明した通りである。
本態様における包装製品は、たばこ充填材が前記包装体内で、3~5質量%の平衡含水率に達するようにする点以外は、第1の態様で説明した通りである。
本発明に従って、たばこ充填材の含水率を3~5質量%に低下させると、当該たばこ充填材から形成されたシートを含む非燃焼加熱型香味吸引器において、主流煙温度およびチップペーパーの表面温度を低下させることができる。これにより、ユーザが吸引時にエアロゾルの熱さや物品の吸口端の熱さを感じにくくなる。
たばこラミナ(葉たばこ)をホソカワミクロンACM機にて乾式粉砕し、たばこ粉末を得た。該たばこ粉末について、マスターサイザー(商品名、スペクトリス株式会社マルバーン・パナリティカル事業部製)を用いて、乾式レーザー回折法により測定される体積基準の粒度分布における累積90%粒子径(D90)を測定したところ、200μmであった。
実施例1と同様にたばこ粉末を調製した。該たばこ粉末をたばこ原料として用いて、圧延法にてたばこシートを製造した。具体的には、前記たばこ原料87質量部と、エアロゾル発生剤としてのグリセリン12質量部と、成型剤としてのカルボキシメチルセルロース1質量部とを混合し、押出成形機にて混練した。混練物を2対の金属製ロールにてシート状に成型し、80℃の熱風循環式オーブンにて乾燥してたばこシートを得た。該たばこシートをシュレッダーにて0.8mm×9.5mmのサイズに裁刻した。裁刻されたたばこシートについて、実施例1と同様に膨嵩性を測定した。結果を表1に示す。
[参考例A1]たばこ充填材の含水率
1-1.香味吸引器の製造
日本たばこ産業株式会社製のPloom S専用たばこスティック(商品名:メビウス・レギュラーテイスト・フォー・プル-ム・エス)に対して、(A)電子レンジ乾燥または(B)シリカゲル乾燥の何れか一方を行った。これにより、たばこスティック中のたばこ充填材の含水率を低下させた。Ploom S専用たばこスティックは、図1に示される構造を有する。
市販の電子レンジ(Twinbird工業(株)製、DR-D219W5(2014)、50Hz)を500Wで使用した。たばこスティック20本(たばこ充填材;合計5.0g)を、所定の時間、電子レンジで加熱した。加熱時間は、20秒、40秒、60秒、80秒、または100秒であった。加熱後、たばこスティック20本を、ポリプロピレン(PP)チャック袋に同梱し、アルミパウチ袋で密封した。これにより香味吸引器を製造した。香味吸引器の製造後すぐに、たばこ充填材の含水率の測定を行った。
シリカゲルは、食品乾燥用の市販品(豊田化工(株)製、HD1g(青))を使用した。たばこスティック20本(たばこ充填材;合計5.0g)と、所定量のシリカゲルを、ポリプロピレン(PP)チャック袋に同梱し、アルミパウチ袋で密封して、3週間静置した。乾燥は、室温(20℃)の温度において行った。シリカゲルの量は、2g、4g、6g、8g、または10gであった。これにより香味吸引器を製造した。香味吸引器の製造後すぐに、たばこ充填材の含水率の測定を行った。
製造された香味吸引器およびコントロールの香味吸引器からたばこ充填材を取り出し、たばこ充填材の含水率(質量%)を、上述のとおりGCTCDを用いて求めた。
電子レンジの加熱時間とたばこ充填材の含水率との関係および電子レンジの加熱時間とたばこ充填材の表面温度との関係を図8に示す。シリカゲルの量とたばこ充填材の含水率との関係を図9に示す。
2-1.主流煙温度およびチップ温度の分析
参考例A1で製造された香味吸引器およびコントロールの香味吸引器を、Ploom Sの加熱デバイス(日本たばこ産業株式会社)で加熱した。加熱デバイスは、図5に示される構造を有する。加熱後、香味吸引器を自動吸引器で吸引した。
香味吸引器の吸口端から下流側に7mm離れた位置に、熱電対(製品名:東亜電器株式会社製、型番TI-SP-K)を設置し、0.1秒毎に主流煙の温度を計測した。計測期間中の最高値を「主流煙温度」と決定した。
チップペーパーの表面で、香味吸引器の吸口端から上流側に5mm離れた位置に、熱電対(東亜電器株式会社製、型番TI-SP-K)を設置し、0.1秒毎に主流煙の温度を計測した。計測期間中の最高値を「チップ温度」と決定した。
たばこ充填材の含水率と主流煙温度との関係およびたばこ充填材の含水率とチップ温度との関係を図10に示す。
3-1.たばこ充填材中のニコチン、グリセリン、プロピレングリコールの含量の分析
参考例A1で製造された香味吸引器およびコントロールの香味吸引器について、たばこ充填材中のニコチン、グリセリン、プロピレングリコールの含量を測定した。
たばこ充填材の含水率とたばこ充填材中のニコチンの含量との関係を図11に示す。たばこ充填材の含水率とたばこ充填材中のグリセリンの含量との関係を図12に示す。たばこ充填材の含水率とたばこ充填材中のプロピレングリコールの含量との関係を図13に示す。
[参考例B1]たばこ充填材の含水率
1-1.香味吸引器の製造
日本たばこ産業株式会社製のPloom S専用たばこスティック(商品名:メビウス・レギュラーテイスト・フォー・プル-ム・エス)に対して、(A)電子レンジ乾燥または(B)シリカゲル乾燥の何れか一方を行った。これにより、たばこスティック中のたばこ充填材の含水率を低下させた。Ploom S専用たばこスティックは、図1に示される構造を有する。
市販の電子レンジ(Twinbird工業(株)製、DR-D219W5(2014)、50Hz)を500Wで使用した。たばこスティック20本(たばこ充填材;合計5.0g)を、所定の時間、電子レンジで加熱した。加熱時間は、20秒、40秒、60秒、80秒、または100秒であった。加熱後、たばこスティック20本を、ポリプロピレン(PP)チャック袋に同梱し、アルミパウチ袋で密封した。これにより香味吸引器を製造した。香味吸引器の製造後すぐに、たばこ充填材の含水率の測定を行った。
シリカゲルは、食品乾燥用の市販品(豊田化工(株)製、HD1g(青))を使用した。たばこスティック20本(たばこ充填材;合計5.0g)と、所定量のシリカゲルを、ポリプロピレン(PP)チャック袋に同梱し、アルミパウチ袋で密封して、3週間静置した。乾燥は、室温(20℃)の温度において行った。シリカゲルの量は、2g、4g、6g、8g、または10gであった。これにより香味吸引器を製造した。香味吸引器の製造後すぐに、たばこ充填材の含水率の測定を行った。
製造された香味吸引器およびコントロールの香味吸引器からたばこ充填材を取り出し、たばこ充填材の含水率(質量%)を、上述のとおりGCTCDを用いて求めた。また、たばこ充填材中に含まれるエアロゾル発生剤の量を、上述のとおりGC-MSを用いて求めた。
電子レンジの加熱時間とたばこ充填材の含水率との関係および電子レンジの加熱時間とたばこ充填材の表面温度との関係を図14に示す。シリカゲルの量とたばこ充填材の含水率との関係を図15に示す。
コントロール:15.60質量%
電子レンジ乾燥20秒:15.55質量%
電子レンジ乾燥40秒:16.72質量%
電子レンジ乾燥60秒:16.25質量%
電子レンジ乾燥80秒:15.29質量%
電子レンジ乾燥100秒:14.74質量%
シリカゲル乾燥2g :15.11質量%
シリカゲル乾燥4g :15.38質量%
シリカゲル乾燥6g :15.12質量%
シリカゲル乾燥8g :15.43質量%
シリカゲル乾燥10g :15.59質量%
2-1.主流煙温度およびチップ温度の分析
参考例B1で製造された香味吸引器およびコントロールの香味吸引器を、Ploom Sの加熱デバイス(日本たばこ産業株式会社)で加熱した。加熱デバイスは、図5に示される構造を有する。加熱後、香味吸引器を自動吸引器で吸引した。
香味吸引器の吸口端から下流側に7mm離れた位置に、熱電対(製品名:東亜電器株式会社製、型番TI-SP-K)を設置し、0.1秒毎に主流煙の温度を計測した。計測期間中の最高値を「主流煙温度」と決定した。
チップペーパーの表面で、香味吸引器の吸口端から上流側に5mm離れた位置に、熱電対(製品名:東亜電器株式会社製、型番TI-SP-K)を設置し、0.1秒毎に主流煙の温度を計測した。計測期間中の最高値を「チップ温度」と決定した。
たばこ充填材の含水率と主流煙温度との関係およびたばこ充填材の含水率とチップ温度との関係を図16に示す。
3-1.主流煙中のニコチン、グリセリン、プロピレングリコールの含量の分析
参考例B1で製造された香味吸引器およびコントロールの香味吸引器について、主流煙中のニコチン、グリセリン、プロピレングリコールの含量を下記のとおり測定した。主流煙を捕集し、所定量のエタノール(10mL~100mL。主流煙の量に応じて適宜調整)にて抽出し、GC-MSを用いて各成分の量を測定した。
たばこ充填材の含水率と主流煙中のニコチンの含量との関係を図17に示す。たばこ充填材の含水率と主流煙中のグリセリンの含量との関係を図18に示す。たばこ充填材の含水率と主流煙中のプロピレングリコールの含量との関係を図19に示す。これらの図では、第1パフの主流煙中のニコチン、グリセリン、プロピレングリコールの含量を示す。
電子レンジ乾燥の場合、たばこ充填材の含水率が5質量%以下になると、主流煙中のニコチンの含量は急激に増加し、たばこ充填材の含水率が3質量%を下回ると、主流煙中のニコチンの含量の増加が加速した。同様に、電子レンジ乾燥の場合、主流煙中のグリセリンの含量も、たばこ充填材の含水率が5質量%以下になると急激に増加し、たばこ充填材の含水率が3質量%を下回ると増加が加速した。同様に、電子レンジ乾燥の場合、主流煙中のプロピレングリコールの含量も、たばこ充填材の含水率が5質量%以下になると急激に増加し、たばこ充填材の含水率が3質量%を下回ると増加が加速した。
参考例B4では、たばこ充填材中のエアロゾル発生剤(すなわち、グリセリンとプロピレングリコールの混合物)の含量を変化させた。実験1では、たばこ充填材中のプロピレングリコールの含量を約0.5質量%で固定し、たばこ充填材中のグリセリンの含量を変化させた。実験2では、たばこ充填材中のグリセリンの含量を約15質量%で固定し、たばこ充填材中のプロピレングリコールの含量を変化させた。
参考例B1に記載した方法に従って、香味吸引器を製造し、製造された香味吸引器からたばこ充填材(すなわち、乾燥たばこ充填材)を取り出した。得られた乾燥たばこ充填材の含水率は、13.69質量%であった。
4-1の欄で製造された香味吸引器からたばこ充填材を取り出し、たばこ充填材中に含まれるエアロゾル発生剤(グリセリン、プロピレングリコール)の量を、上述のとおりGC-MSを用いて測定した。
4-1の欄で製造された香味吸引器について、主流煙中のニコチン、グリセリン、プロピレングリコールの含量を、上述のとおりGC-MSを用いて測定した。
実験1の結果を図20Aおよび図20Bに示す。図20Aは、たばこ充填材中のエアロゾル発生剤の含量と主流煙中の成分の含量との関係を示す。図20Bは、たばこ充填材中のグリセリンの含量と主流煙中の成分の含量との関係を示す。
態様1
ファイバー状材料を含む非燃焼加熱型香味吸引器用たばこシート。
態様2
さらに、乾燥たばこ材料とエアロゾル発生剤とを含み、5質量%より大きく7.5質量%以下の含水率を有する乾燥たばこ材料を含む、態様1に記載のシート。
態様3
前記エアロゾル発生剤が、グリセリンとプロピレングリコールとの混合物である態様2に記載のシート。
態様4
さらに、乾燥たばこ材料と20質量%未満のエアロゾル発生剤とを含み、3~5質量%の含水率を有する乾燥たばこ材料を含む、態様1に記載のシート。
態様5
前記エアロゾル発生剤が、プロピレングリコールとグリセリンの混合物である態様4に記載の乾燥たばこ充填材。
態様6
態様1~5のいずれか一項に記載のシートを含むたばこ含有セグメント、
を備える非燃焼加熱型香味吸引器。
態様7
態様6に記載の非燃焼加熱型香味吸引器と、
前記たばこ含有セグメントを加熱する加熱装置と、
を備える非燃焼加熱型香味吸引システム。
[2]前記たばこシート100質量%に含まれる前記ファイバー状材料の割合が5~50質量%である、[1]に記載の非燃焼加熱型香味吸引器用たばこシート。
[3]前記ファイバー状材料が、ファイバー状パルプ、ファイバー状たばこ材料及びファイバー状合成セルロースからなる群から選択される少なくとも一つである、[1]又は[2]に記載の非燃焼加熱型香味吸引器用たばこシート。
[4]前記ファイバー状材料がファイバー状パルプである、[3]に記載の非燃焼加熱型香味吸引器用たばこシート。
[5]前記たばこシートがさらにたばこ原料を含む、[4]に記載の非燃焼加熱型香味吸引器用たばこシート。
[6]前記たばこ原料が、葉たばこ、中骨及び残幹からなる群から選択される少なくとも一種のたばこ粉末である、[5]に記載の非燃焼加熱型香味吸引器用たばこシートの製造方法。
[7]前記たばこシート100質量%に含まれる前記たばこ原料の割合が30~91質量%である、[5]又は[6]に記載の非燃焼加熱型香味吸引器用たばこシート。
[8]前記たばこシートが成型剤をさらに含む、[4]から[7]のいずれかに記載の非燃焼加熱型香味吸引器用たばこシート。
[9]前記成型剤が、多糖類、タンパク及び合成ポリマーからなる群から選択される少なくとも一つである、[8]に記載の非燃焼加熱型香味吸引器用たばこシート。
[10]前記たばこシート100質量%に含まれる前記成型剤の割合が0.1~15質量%である、[8]又は[9]に記載の非燃焼加熱型香味吸引器用たばこシート。
[11]前記たばこシートがさらにエアロゾル発生剤を含む、[1]から[10]のいずれかに記載の非燃焼加熱型香味吸引器用たばこシート。
[12]前記エアロゾル発生剤が、グリセリン、プロピレングリコール及び1,3-ブタンジオールからなる群から選択される少なくとも一つである、[11]に記載の非燃焼加熱型香味吸引器用たばこシート。
[13]前記たばこシート100質量%に含まれる前記エアロゾル発生剤の割合が5~50質量%である、[11]又は[12]に記載の非燃焼加熱型香味吸引器用たばこシート。
[14][1]から[13]のいずれかに記載の非燃焼加熱型香味吸引器用たばこシートを含むたばこ含有セグメントを備える非燃焼加熱型香味吸引器。
[15][14]に記載の非燃焼加熱型香味吸引器と、
前記たばこ含有セグメントを加熱する加熱装置と、
を備える非燃焼加熱型香味吸引システム。
[A1] 乾燥たばこ材料とエアロゾル発生剤とを含み、5質量%より大きく7.5質量%以下の含水率を有する乾燥たばこ充填材。
[A2] 前記含水率が、5.1~7.5質量%、好ましくは5.1~7.0質量%、より好ましくは5.5~7.0質量%である[A1]に記載の乾燥たばこ充填材。
[A3] 前記乾燥たばこ材料が、たばこ成形体である[A1]または[A2]に記載の乾燥たばこ充填材。
[A4] 前記エアロゾル発生剤が、グリセリンとプロピレングリコールとの混合物である[A1]~[A3]の何れか1に記載の乾燥たばこ充填材。
[B2] 前記含水率が、5.1~7.5質量%、好ましくは5.1~7.0質量%、より好ましくは5.5~7.0質量%である[B1]に記載の非燃焼加熱型香味吸引器。
[B3] 前記乾燥たばこ材料が、たばこ成形体である[B1]または[B2]に記載の非燃焼加熱型香味吸引器。
[B4] 前記エアロゾル発生剤が、グリセリンとプロピレングリコールとの混合物である[B1]~[B3]の何れか1に記載の非燃焼加熱型香味吸引器。
前記たばこ充填材は、前記包装体内で、5質量%より大きく7.5質量%以下の平衡含水率に達する包装製品。
[D2] 前記平衡含水率が、5.1~7.5質量%、好ましくは5.1~7.0質量%、より好ましくは5.5~7.0質量%である[D1]に記載の包装製品。
[D3] 前記たばこ材料が、たばこ成形体である[D1]または[D2]に記載の包装製品。
[D4] 前記エアロゾル発生剤が、グリセリンとプロピレングリコールとの混合物である[D1]~[D3]の何れか1に記載の包装製品。
を含む、乾燥たばこ充填材の製造方法。
[E2] 前記乾燥が、マイクロ波加熱により行われる[E1]に記載の方法。
[E3] 前記乾燥が、前記たばこ充填材の表面温度が65℃以下の温度になる条件下で行われる[E1]または[E2]に記載の方法。
[E4] 前記乾燥が、前記たばこ充填材を乾燥剤の存在下に置くことにより行われる[E1]~[E3]の何れか1に記載の方法。
[E5] 前記含水率が、5.1~7.5質量%、好ましくは5.1~7.0質量%、より好ましくは5.5~7.0質量%である[E1]~[E4]の何れか1に記載の方法。
[E6] 前記たばこ材料が、たばこ成形体である[E1]~[E5]の何れか1に記載の方法。
[E7] 前記エアロゾル発生剤が、グリセリンとプロピレングリコールとの混合物である[E1]~[E6]の何れか1に記載の方法。
[a1] 乾燥たばこ材料と20質量%未満のエアロゾル発生剤とを含み、3~5質量%の含水率を有する乾燥たばこ充填材。
[a2] 前記含水率が、3.5~5質量%、好ましくは4~5質量%である[a1]に記載の乾燥たばこ充填材。
[a3] 前記エアロゾル発生剤が、19質量%以下、好ましくは15~19質量%の量で含まれる[a1]または[a2]に記載の乾燥たばこ充填材。
[a4] 前記乾燥たばこ材料が、たばこ成形体である[a1]~[a3]の何れか1に記載の乾燥たばこ充填材。
[a5] 前記エアロゾル発生剤が、プロピレングリコールとグリセロールの混合物である[a1]~[a4]の何れか1に記載の乾燥たばこ充填材。
[a6] 前記プロピレングリコールが、3質量%以下、好ましくは1~3質量%の量で含まれる[a5]に記載の乾燥たばこ充填材。
フィルタと、
前記たばこロッドと前記フィルタとを連結するチッピング部材と
を含む非燃焼加熱型香味吸引器。
[b2] 前記含水率が、3.5~5質量%、好ましくは4~5質量%である[b1]に記載の非燃焼加熱型香味吸引器。
[b3] 前記エアロゾル発生剤が、19質量%以下、好ましくは15~19質量%の量で含まれる[b1]または[b2]に記載の非燃焼加熱型香味吸引器。
[b4] 前記乾燥たばこ材料が、たばこ成形体である[b1]~[b3]の何れか1に記載の非燃焼加熱型香味吸引器。
[b5] 前記エアロゾル発生剤が、プロピレングリコールとグリセロールの混合物である[b1]~[b4]の何れか1に記載の非燃焼加熱型香味吸引器。
[b6] 前記プロピレングリコールが、3質量%以下、好ましくは1~3質量%の量で含まれる[b5]に記載の非燃焼加熱型香味吸引器。
前記包装体内に収容され、たばこ材料とエアロゾル発生剤とを含むたばこ充填材を含む少なくとも1つの非燃焼加熱型香味吸引器と、
前記たばこ充填材が3~5質量%の平衡含水率に達するのに必要な量で前記包装体内に組み込まれた乾燥剤と
を含み、
前記たばこ充填材は、前記包装体内で、3~5質量%の平衡含水率に達する
包装製品。
[d2] 前記平衡含水率が、3.5~5質量%、好ましくは4~5質量%である[d1]に記載の包装製品。
[d3] 前記エアロゾル発生剤が、20質量%未満、好ましくは19質量%以下、より好ましくは15~19質量%の量で含まれる[d1]または[d2]に記載の包装製品。
[d4] 前記たばこ材料が、たばこ成形体である[d1]~[d3]の何れか1に記載の包装製品。
[d5] 前記エアロゾル発生剤が、プロピレングリコールとグリセロールの混合物である[d1]~[d4]の何れか1に記載の包装製品。
[d6] 前記プロピレングリコールが、3質量%以下、好ましくは1~3質量%の量で含まれる[d5]に記載の包装製品。
[e2] 前記乾燥が、前記たばこ充填材の表面温度が65℃以下の温度になる条件下で行われる[e1]に記載の方法。
[e3] 前記乾燥が、室温および30%以下の湿度の条件下で行われる[e1]または[e2]に記載の方法。
[e4] 前記乾燥が、5~35℃、好ましくは15~25℃の温度、および10~30%、好ましくは15~25%の湿度の条件下で行われる[e1]~[e3]の何れか1に記載の方法。
[e5] 前記乾燥が、前記たばこ充填材を乾燥剤の存在下に置くことに
より行われる[e1]~[e4]の何れか1に記載の方法。
[e6] 前記含水率が、3.5~5質量%、好ましくは4~5質量%である[e1]~[e5]の何れか1に記載の方法。
[e7] 前記乾燥たばこ充填材が、前記エアロゾル発生剤を、20質量%未満、好ましくは19質量%以下、より好ましくは15~19質量%の量で含む[e1]~[e6]の何れか1に記載の方法。
[e8] 前記たばこ材料が、たばこ成形体である[e1]~[e7]の何れか1に記載の方法。
[e9] 前記エアロゾル発生剤が、プロピレングリコールとグリセロールの混合物である[e1]~[e8]の何れか1に記載の方法。
[e10] 前記乾燥たばこ充填材が、前記プロピレングリコールを、3質量%以下、好ましくは1~3質量%の量で含む[e9]に記載の方法。
2 たばこ含有セグメント
3 冷却セグメント
4 センターホールセグメント
5 フィルターセグメント
6 マウスピースセグメント
7 筒状部材
8 穿孔
9 第二の充填層
10 第二のインナープラグラッパー
11 アウタープラグラッパー
12 マウスピースライニングペーパー
13 加熱装置
14 ボディ
15 ヒーター
16 金属管
17 電池ユニット
18 制御ユニット
19 凹部
T1a たばこ材料
T1b 乾燥たばこ材料
T2 エアロゾル発生剤
T3a 未処理たばこ充填材
T3b 乾燥たばこ充填材
Claims (7)
- ファイバー状材料を含む非燃焼加熱型香味吸引器用たばこシート。
- さらに、乾燥たばこ材料とエアロゾル発生剤とを含み、5質量%より大きく7.5質量%以下の含水率を有する乾燥たばこ材料を含む、請求項1に記載のシート。
- 前記エアロゾル発生剤が、グリセリンとプロピレングリコールとの混合物である請求項2に記載のシート。
- さらに、乾燥たばこ材料と20質量%未満のエアロゾル発生剤とを含み、3~5質量%の含水率を有する乾燥たばこ材料を含む、請求項1に記載のシート。
- 前記エアロゾル発生剤が、プロピレングリコールとグリセリンの混合物である請求項4に記載の乾燥たばこ充填材。
- 請求項1~5のいずれか一項に記載のシートを含むたばこ含有セグメント、
を備える非燃焼加熱型香味吸引器。 - 請求項6に記載の非燃焼加熱型香味吸引器と、
前記たばこ含有セグメントを加熱する加熱装置と、
を備える非燃焼加熱型香味吸引システム。
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EP22864624.6A EP4397192A1 (en) | 2021-09-01 | 2022-08-31 | Tobacco sheet for non-combustion-heating-type flavor inhaler, non-combustion-heating-type flavor inhaler, and non-combustion-heating-type flavor inhalation system |
CN202280070056.7A CN118119288A (zh) | 2021-09-01 | 2022-08-31 | 非燃烧加热型香味抽吸器用烟草片、非燃烧加热型香味抽吸器、以及非燃烧加热型香味抽吸系统 |
US18/591,766 US20240245089A1 (en) | 2021-09-01 | 2024-02-29 | Tobacco sheet for non-combustion-heating-type flavor inhaler, non-combustion-heating-type flavor inhaler, and non-combustion-heating-type flavor inhalation system |
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JPS5969923U (ja) | 1982-10-28 | 1984-05-12 | クニミツ工業株式会社 | 被服用クリツプ |
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- 2022-08-31 EP EP22864624.6A patent/EP4397192A1/en active Pending
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