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WO2024127445A1 - Corps moulé d'arôme pour inhalateur d'arôme du type à chauffage sans combustion, son procédé de production et inhalateur d'arôme du type à chauffage sans combustion - Google Patents

Corps moulé d'arôme pour inhalateur d'arôme du type à chauffage sans combustion, son procédé de production et inhalateur d'arôme du type à chauffage sans combustion Download PDF

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Publication number
WO2024127445A1
WO2024127445A1 PCT/JP2022/045586 JP2022045586W WO2024127445A1 WO 2024127445 A1 WO2024127445 A1 WO 2024127445A1 JP 2022045586 W JP2022045586 W JP 2022045586W WO 2024127445 A1 WO2024127445 A1 WO 2024127445A1
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WO
WIPO (PCT)
Prior art keywords
flavor
molded body
polymer
mixture
outer coating
Prior art date
Application number
PCT/JP2022/045586
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English (en)
Japanese (ja)
Inventor
亮祐 長瀬
Original Assignee
日本たばこ産業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本たばこ産業株式会社 filed Critical 日本たばこ産業株式会社
Priority to PCT/JP2022/045586 priority Critical patent/WO2024127445A1/fr
Publication of WO2024127445A1 publication Critical patent/WO2024127445A1/fr

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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
    • 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
    • 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

Definitions

  • the present invention relates to a flavor molded body for a non-combustion heating type flavor inhaler, a method for producing the same, and a non-combustion heating type flavor inhaler.
  • Patent Document 1 discloses a rod for a heated aerosol generating article, which includes a first sheet containing tobacco material and a second sheet containing a non-tobacco flavoring, both of which are gathered and surrounded by a wrapper.
  • Patent Document 2 discloses an oral product including a body that is entirely acceptable in the oral cavity.
  • Flavor molded bodies can be used as a flavor source for non-combustion heating type flavor inhalers, from the viewpoint of easy handling, etc.
  • flavor molded bodies generally have low water resistance, and their strength and flavor may decrease when exposed to moisture during storage.
  • the present invention aims to provide a flavor molded body for a non-combustion heating type flavor inhaler that has high water resistance and exhibits high release performance of flavor components and aerosol vaporized components when heated, a method for producing the same, and a non-combustion heating type flavor inhaler equipped with the flavor molded body.
  • An inner molded body including a tobacco powder raw material and an aerosol source; an outer coating covering a surface of the inner molded body;
  • a flavor molded body for a non-combustion heating type flavor inhaler comprising: The flavor molded body, wherein the outer coating comprises a polymer that is soluble in ethanol and insoluble in water.
  • binder is at least one selected from the group consisting of CMC (carboxymethylcellulose), EVA (ethylene vinyl acetate copolymer), guar gum, gum arabic, pectin, and starch.
  • CMC carboxymethylcellulose
  • EVA ethylene vinyl acetate copolymer
  • guar gum gum arabic
  • pectin starch
  • step of forming the outer coating is a step of immersing a compression molded body of the mixture in a solution containing the polymer.
  • step of forming the outer coating is a step of spraying a solution containing the polymer onto the surface of the compression molded body of the mixture.
  • a flavor molded product according to any one of [1] to [7], A flavor source container that contains the flavor molded body; a power supply unit including a power supply section; a heating unit that receives power from the power source unit and heats the flavor molded body in the flavor source container;
  • a non-combustion heating type flavor inhaler comprising:
  • the present invention provides a flavor molded body for a non-combustion heating type flavor inhaler that has high water resistance and exhibits high release performance of flavor components and aerosol vaporized components when heated, a method for producing the same, and a non-combustion heating type flavor inhaler equipped with the flavor molded body.
  • FIG. 1 is a schematic diagram showing an example of a non-combustion heating type flavor inhaler according to an embodiment.
  • FIG. 1 is a schematic diagram illustrating an example of an induction heating type flavor inhaler according to an embodiment.
  • a flavor molded body for a non-combustion heating type flavor inhaler includes an inner molded body and an outer coating covering a surface of the inner molded body.
  • the inner molded body includes a tobacco powder raw material and an aerosol source.
  • the outer coating includes a polymer that is soluble in ethanol and insoluble in water.
  • the surface of the inner molded body is covered with an outer coating containing a polymer that is soluble in ethanol and insoluble in water, and therefore has high water resistance.
  • flavor components tobacco components
  • aerosol source contained in the inner molded body is vaporized to generate aerosol vaporized components.
  • These gases pass through molecular-level gaps between the molecules that make up the outer coating and are released to the outside.
  • these gases expand the inside of the outer coating, so that a part of the outer coating breaks and the gas is released to the outside from the broken part. Therefore, the flavor molded body can exhibit high flavor component and aerosol vaporized component release performance when heated.
  • the outer coating does not generate a strong odor or flavor from the outer coating itself when heated, so that the impact on the flavor can be kept to a minimum.
  • the internal molded body includes a tobacco powder raw material and an aerosol source.
  • the internal molded body may include, for example, an adsorbent that adsorbs a volatile flavor component, metal pieces, cellulose powder, tea powder, Lamiaceae plant powder, Umbelliferae plant powder, etc.
  • tobacco powder raw materials include tobacco leaves, tobacco veins, stems, roots, flowers, etc., which have been chopped into powder form.
  • the type of tobacco leaf is not particularly limited, and may be, for example, flue-cured, burley, native, oriental, or fermented leaves thereof. These tobacco powder raw materials may be used alone or in combination of two or more.
  • the average particle size of the tobacco powder raw material is not particularly limited, but is preferably 100 ⁇ m or less. By having the average particle size of 100 ⁇ m or less, a flavor molded product with higher strength can be obtained.
  • the average particle size is preferably 5 to 80 ⁇ m, more preferably 10 to 60 ⁇ m, and even more preferably 20 to 50 ⁇ m.
  • the average particle size is measured using a light scattering method.
  • the aerosol source examples include glycerin, propylene glycol, etc. These aerosol sources may be used alone or in combination of two or more.
  • the amount of the aerosol source contained in the inner molded body is preferably 5 to 30 parts by mass, more preferably 10 to 20 parts by mass, per 100 parts by mass of the tobacco powder raw material.
  • the inner molded body according to one embodiment further includes an adsorbent that adsorbs a volatile fragrance component.
  • an adsorbent that adsorbs a volatile fragrance component By adsorbing the volatile fragrance component to the adsorbent and adding it, the volatile fragrance component is gradually released from the adsorbent by heating, and the fragrance component can be stably volatilized throughout the entire use.
  • the adsorbent also adsorbs water, but since the surface of the inner molded body is covered with an outer coating, moisture absorption can be sufficiently suppressed.
  • Volatile fragrance components include, but are not limited to, phenethyl acetate, ethyl hexanate, isoamyl acetate, benzyl acetate, ethyl octanate, ethyl oleate, phenethyl alcohol, acetanisole, benzaldehyde, benzyl alcohol, menthol, carvone, cinnamic acid, cinnamaldehyde, cinnamyl alcohol, vanillin, ethyl vanillin, citronellol, 2,5-dimethylpyrazine, limonene, furaneol, cyclotene, decanoic acid, ethyl isovalerate, valeric acid, palmitic acid, ethyl salicylate, geraniol, guaiacol, ⁇ -ionone, linalool, linalyl acetate, ner
  • the volatile fragrance component is adsorbed to the adsorbent. That is, the volatile fragrance component is held by the adsorbent, and can be adsorbed and held, for example, in the pores of the adsorbent.
  • the adsorbent include activated carbon, silica gel, ion exchange resin, molecular sieve, zeolite, etc. These adsorbents can be used alone or in combination of two or more. Among these, activated carbon is preferred as the adsorbent from the viewpoint of being able to adequately hold the volatile fragrance component.
  • the specific surface area of the adsorbent is preferably 500 to 3000 m 2 /g, and more preferably 700 to 2500 m 2 /g.
  • the specific surface area is measured by the BET method.
  • the amount of the volatile flavor component adsorbed by the adsorbent is preferably 1 to 20 parts by mass, and more preferably 5 to 10 parts by mass, per 100 parts by mass of the adsorbent.
  • the amount of the adsorbent that adsorbs the volatile flavor component and is contained in the internal molded body is preferably 5 to 40 parts by mass, and more preferably 10 to 30 parts by mass, per 100 parts by mass of the tobacco powder raw material.
  • the adsorbent is composed of a plurality of particles, and preferably two or more of the particles are contained in the internal molded body.
  • the adsorbent particles are dispersed in the internal molded body, and the amount of volatilization of the fragrance component in each puff is more stable.
  • the average particle size of the adsorbent particles is not particularly limited, but can be, for example, 0.3 to 2.0 mm. The average particle size is measured using a dry sieve method.
  • the adsorbent is not exposed on the surface of the internal molded body.
  • the adsorbent such as activated carbon does not adhere to the molding machine when molding the internal molded body, improving manufacturing efficiency.
  • the surface of the internal molded body that contains the adsorbent with a component of the internal molded body that does not contain the adsorbent, it is possible to obtain an internal molded body that does not have the adsorbent exposed on its surface. Note that it can be confirmed visually that the adsorbent is not exposed on the surface of the internal molded body.
  • the internal molded body preferably has a compression breaking strength of 10 to 200 N measured by a pile plunger using a tablet hardness tester.
  • the compression breaking strength is more preferably 20 to 150 N, and even more preferably 30 to 120 N.
  • the compression breaking strength is specifically a value measured by a method described later.
  • the shape of the internal molded body according to one embodiment is not particularly limited, but can be, for example, a tablet shape, a plate shape, a cylindrical shape, a rod shape, a sphere shape, a hollow shape, a porous shape, etc. From the viewpoint of ease of use and maintaining strength, a tablet shape is preferable.
  • its size can be, for example, a diameter of 5 to 15 mm and a height of 5 to 10 mm.
  • the outer coating covers the surface of the inner molded body and includes a polymer that is soluble in ethanol and water-insoluble.
  • the outer coating may cover at least a part of the surface of the inner molded body, but from the viewpoint of obtaining higher water resistance, it is preferable that the outer coating covers the entire surface of the inner molded body.
  • the outer coating may also be made of a polymer that is soluble in ethanol and water-insoluble. Note that, since the heating temperature of the non-combustion heating type flavor inhaler is usually 400° C. or less, the outer coating does not melt during heating, and the inner molded body is coated in the same state as before heating during heating.
  • the term "ethanol-soluble polymer” refers to a polymer that can dissolve 10 g or more in 100 ml of ethanol at 25° C.
  • water-insoluble polymer refers to a polymer that can dissolve less than 0.1 g in 100 ml of water at 25° C. (The same applies to the "water-insoluble cellulose derivative” described below).
  • ethanol-soluble and water-insoluble polymer water-insoluble cellulose derivatives or polylactic acid are preferred, alkylated cellulose (the alkyl portion has 2 to 3 carbon atoms), and ethyl cellulose is particularly preferred, from the viewpoint that the flavor molded body exhibits higher water resistance, exhibits higher flavor component and aerosol vapor component release performance when heated, and generates less strong odor and flavor from the outer coating itself when heated.
  • alkylated cellulose the alkyl portion has 2 to 3 carbon atoms
  • ethyl cellulose is particularly preferred, from the viewpoint that the flavor molded body exhibits higher water resistance, exhibits higher flavor component and aerosol vapor component release performance when heated, and generates less strong odor and flavor from the outer coating itself when heated.
  • These polymers may be used alone or in combination of two or more types.
  • Ethyl cellulose in particular exhibits higher water resistance because the hydroxyl groups of cellulose are ethyl etherified.
  • gases can easily pass through ethyl cellulose through gaps at the molecular level, allowing flavor components vaporized during heating and vaporized aerosol components to pass through more easily, resulting in higher release performance.
  • the ethoxyl group content of ethyl cellulose is preferably 30 to 60% by mass.
  • the thickness of the outer coating is preferably 0.01 to 0.05 mm, more preferably 0.01 to 0.04 mm, and even more preferably 0.01 to 0.03 mm.
  • the thickness of the outer coating can be measured by peeling the outer coating from the flavor molded body and using a film thickness meter (product name: digital micrometer, manufactured by Shinwa Measurement Co., Ltd.).
  • the method for forming the outer coating is not particularly limited, but it is preferable to form the outer coating by a method such as immersing the inner molded body in a solution containing a polymer that is soluble in ethanol and water-insoluble, or spraying the solution onto the surface of the inner molded body, as in the method for producing a flavor molded body described below, since this allows the entire surface of the inner molded body to be uniformly covered with the outer coating.
  • the compression breaking strength of the flavor molded body according to one embodiment measured by a tablet hardness tester using a stake-shaped plunger is preferably 40 to 100 N, more preferably 50 to 90 N, and even more preferably 60 to 80 N.
  • the compression breaking strength is 40 N or more, the handleability is good and the strength is high even after use.
  • the compression breaking strength is 100 N or less, the release efficiency of the components during heating is good.
  • the compression breaking strength is specifically a value measured by a method described later.
  • a method for producing a flavor molded body for a non-combustion heating type flavor inhaler includes the following steps: mixing a tobacco powder raw material, an aerosol source, and an alcohol having 2 to 7 carbon atoms to form a mixture (hereinafter also referred to as a "raw material mixing step”); compression molding the mixture (hereinafter also referred to as a “compression molding step”); removing at least a portion of the alcohol from the mixture (hereinafter also referred to as an “alcohol removing step”); and forming an external coating containing a polymer that is soluble in ethanol and water-insoluble on the surface of the compression molded body of the mixture (hereinafter also referred to as an "external coating forming step”).
  • the flavor molded body can be produced efficiently and simply.
  • the method may include other steps in addition to the raw material mixing step, compression molding step, alcohol removal step, and outer coating formation step.
  • the alcohol removal step may be performed during the compression molding step, or after the compression molding step, so long as it is performed after the raw material mixing step and before the outer coating formation step.
  • a mixture is formed by mixing a tobacco powder raw material, an aerosol source, and an alcohol having a carbon number of 2 to 7.
  • the carbon number of the alcohol is 2 to 7, preferably 2 to 5, and more preferably 2 to 3.
  • the alcohol at least one alcohol selected from the group consisting of ethanol, 2-propanol, and benzyl alcohol is preferable from the viewpoint of obtaining a flavor molded product having a higher intensity, and ethanol is most preferable.
  • the amount of alcohol to be mixed is preferably 1 to 20 parts by mass per 100 parts by mass of tobacco powder raw material.
  • the amount of alcohol to be mixed is preferably 1 to 20 parts by mass per 100 parts by mass of tobacco powder raw material.
  • a flavored molded product with higher strength can be obtained.
  • 20 parts by mass or less of alcohol per 100 parts by mass of tobacco powder raw material compression molding can be easily performed. In this process, it is more preferable to mix 3 to 17 parts by mass of alcohol per 100 parts by mass of tobacco powder raw material, and even more preferable to mix 5 to 15 parts by mass.
  • compression molding process In this step, the mixture obtained in the raw material mixing step is compressed and molded.
  • the compression molding machine used for compression molding is not particularly limited, but examples thereof include rotary tablet presses and the like.
  • the conditions for compression molding are not particularly limited, but it is preferable to mold at a compression pressure of, for example, 2 kN or more. As described above, at least a part of the alcohol may be removed by natural drying or the like during compression molding.
  • Alcohol removal process In this step, at least a portion of the alcohol is removed from the mixture. As described above, the removal of at least a portion of the alcohol may be performed on the mixture during the compression molding step, or on a compression molded body obtained after the compression molding step.
  • the alcohol at 10 to 40°C it is preferable to remove at least a part of the alcohol at 10 to 40°C.
  • the temperature when removing at least a part of the alcohol is more preferably 15 to 35°C, and even more preferably 20 to 30°C.
  • at least a part of the alcohol at 10 to 40°C for example, at least a part of the alcohol can be removed by drying at 10 to 40°C for 30 to 180 minutes. Removal of at least a part of the alcohol can be performed, for example, by an electric oven, hot air drying, a tunnel dryer, natural drying, etc. Furthermore, it is preferable to remove the alcohol in an open state, not in an enclosed space.
  • the compression molded product (internal molded product) of the mixture obtained by this process preferably does not contain a binder (a common binding agent).
  • a binder a common binding agent
  • the binder include CMC (carboxymethyl cellulose), EVA (ethylene vinyl acetate copolymer), guar gum, gum arabic, pectin, starch, etc.
  • the flavor is improved. Since the binder is generally hydrophobic, if the binder is not contained, the flavor molded product is required to have high water resistance, but high water resistance can be achieved by forming an external coating on the surface of the internal molded product.
  • the compression-molded product (internal molded product) of the mixture obtained by this process preferably has a compression breaking strength measured with a pile plunger of 10 to 200 N, more preferably 20 to 150 N, and even more preferably 30 to 120 N, as measured with a tablet hardness tester.
  • an outer coating containing a polymer that is soluble in ethanol and insoluble in water is formed on the surface of the compression molded body (inner molded body) of the obtained mixture.
  • the polymer that is soluble in ethanol and insoluble in water the above-mentioned polymers can be used.
  • the method for forming the outer coating is not particularly limited, but a method of immersing the compression molded body (internal molded body) of the mixture in a solution containing a polymer that is soluble in ethanol and water-insoluble is preferred because it allows the entire surface of the compression molded body (internal molded body) of the mixture to be uniformly covered with the outer coating.
  • the solution containing the polymer can be a solution in which a polymer that is soluble in ethanol and water-insoluble is dissolved in a solvent such as ethanol. From the viewpoint of forming an outer coating of a preferred thickness, it is preferred that the concentration of the polymer in the solution containing the polymer is 2 to 20% by mass.
  • the concentration of the polymer is 3 to 10% by mass.
  • a method of spraying a solution containing the polymer onto the surface of the compression molded body (internal molded body) of the mixture is preferred because the entire surface of the compression molded body (internal molded body) of the mixture can be uniformly covered with the external coating.
  • the concentration of the polymer in the solution containing the polymer is 2 to 10% by mass. It is more preferred that the concentration of the polymer is 2 to 5% by mass.
  • a non-combustion heating type flavor inhaler includes the flavor molded body, a flavor source container that contains the flavor molded body, a power supply unit including a power supply unit, and a heating unit that receives power from the power supply unit to heat the flavor molded body in the flavor source container. Since the non-combustion heating type flavor inhaler includes the flavor molded body, the flavor molded body has high water resistance before heating and exhibits high flavor component and aerosol vapor component release performance when heated.
  • the non-combustion heating type flavor inhaler 1 shown in FIG. 1 includes a raw material chamber 8, which is a flavor source container that contains the flavor molded body 2 therein, a battery 4, a heater 5 that receives power from the battery 4 to heat the flavor molded body 2, a control unit 3 that controls the temperature of the heater 5, and a mouthpiece 9.
  • the flavor molded body 2 is fixed by a raw material position adjustment jig 7. Since the flavor molded body has high strength and is easy to handle, it does not need to be filled in a pot or wrapping paper, and can be directly fixed and placed in the raw material chamber, for example, as shown here.
  • the heater 5 is heated by supplying power from the battery 4 to the heater 5 in response to an instruction from the control unit 3.
  • the heat from the heater 5 is transferred to the flavor molded body 2 through the metal plate 6, and the flavor molded body 2 is heated.
  • An aerosol containing flavor components is generated by heating the flavor molded body 2, and the aerosol and flavor components are supplied to the user when the user inhales through the mouthpiece 9.
  • the heating temperature is preferably 150 to 400°C, and more preferably 200 to 350°C. Note that the heating temperature refers to the temperature of the heater.
  • the non-combustion heating type flavor inhaler can be a microwave heating type flavor inhaler or an induction heating type flavor inhaler.
  • the flavor molded body can contain activated carbon as an adsorbent that adsorbs the volatile flavor components. Since the activated carbon itself generates heat when heated, the activated carbon reaches a high temperature more quickly even in the early stages of use, and the amount of flavor components that volatilize in the early stages of use increases, allowing the flavor components to volatilize more stably throughout the entire use.
  • the induction heating type flavor inhaler 11 shown in FIG. 2(a) comprises a flavor source container 13 that contains the flavor molded body 12, a power supply unit 14 equipped with a power supply section, a heating section 16 that receives power from the power supply section and induction heats the flavor molded body 12 in the flavor source container 13, and a control section 15 that controls the temperature of the heating section 16.
  • the flavor source container 13 is detachable within a chamber 17 of the heating section 16, and during use, the flavor source container 13 is inserted into the chamber 17 of the heating section 16. Power is supplied to the heating section 16 from the power supply section of the power supply unit 14 in response to an instruction from the control section 15, and the flavor molded body 12 is heated by induction heating.
  • FIG. 2(b) shows an enlarged view of the heating unit 16 of the induction heating type flavor inhaler 11 shown in FIG. 2(a).
  • the induction coil 18 of the heating unit 16 is embedded in a mold 19 made of a heat-dissipating non-magnetic material with high thermal conductivity.
  • a shielding layer 20 is formed on the outer periphery of the mold 19 to block leakage of electromagnetic waves.
  • a heat-resistant resin layer such as PEEK may be formed on the inside of the mold 19.
  • the flavor source container 13 also has a flow path 21 that allows flow from the end face of the flavor source container 13 on the non-suction end side to the end face on the suction end side.
  • the flavor source container 13 is inserted into the chamber 17 of the heating unit 16, and the flavor molded body 12 is heated by induction heating in the heating unit 16 to generate an aerosol containing flavor components, and the aerosol and flavor components can be supplied to the user by the user inhaling the aerosol through the flow path 21.
  • the heating temperature by induction heating is preferably 150 to 400°C, and more preferably 200 to 350°C. Note that the heating temperature refers to the temperature of the heating part.
  • Example 1 (Production of flavor molded bodies) 10 parts by mass of ethanol and 15 parts by mass of glycerin as an aerosol source were added to 100 parts by mass of tobacco powder raw material (leaf tobacco, Brazilian flue-cured tobacco) having an average particle size of 30 ⁇ m, and mixed. The obtained mixture was molded into a tablet shape using a compression molding machine (product name: TDP 0, manufactured by LFA Machines Oxford Ltd). This was dried at 20 ° C for 2 days, and ethanol was removed to obtain a compression molded body (internal molded body) of the mixture.
  • the compression molded body (internal molded body) of the mixture was immersed in a 5% by mass ethyl cellulose solution (ethanol solution containing 5% by mass ethyl cellulose), removed, and dried to obtain a flavor molded body with an external coating of ethyl cellulose.
  • Example 1 A compression molded product (internal molded product) of the mixture was produced in the same manner as in Example 1. Thereafter, without forming an external coating of ethyl cellulose, the compression molded product (internal molded product) of the mixture was evaluated for water resistance in the same manner as in Example 1. The results are shown in Table 1.
  • Example 2 A compression molded body (internal molded body) of the mixture was produced in the same manner as in Example 1. The compression molded body (internal molded body) of the mixture was then immersed in a 15% by weight polyvinyl alcohol aqueous solution (aqueous solution containing 15% by weight polyvinyl alcohol), removed and dried to obtain a flavor molded body having an outer coating of polyvinyl alcohol. The flavor molded body was evaluated for water resistance in the same manner as in Example 1. The results are shown in Table 1.
  • Example 3 A compression molded body (internal molded body) of the mixture was produced in the same manner as in Example 1. The compression molded body (internal molded body) of the mixture was then immersed in a 3% by mass hydroxypropyl cellulose solution (an ethanol solution containing 3% by mass hydroxypropyl cellulose), taken out and dried to obtain a flavor molded body having an outer coating of hydroxypropyl cellulose. The flavor molded body was evaluated for water resistance in the same manner as in Example 1. The results are shown in Table 1.
  • Example 1 As shown in Table 1, the flavor molded body of Example 1, which had an outer coating of ethyl cellulose, had an absorbance of 0 at wavelengths of 500 nm and 550 nm, indicating that the water-soluble components in the tobacco powder raw material did not dissolve in ultrapure water and had high water resistance.
  • Comparative Example 1 which did not have an outer coating
  • Comparative Example 2 which had an outer coating of polyvinyl alcohol
  • Comparative Example 3 which had an outer coating of hydroxypropyl cellulose, all had absorbances above 0 at wavelengths of 500 nm and 550 nm, indicating that they had lower water resistance than Example 1.
  • Example 2 (Production of flavor molded bodies) To 100 parts by mass of tobacco powder raw material (leaf tobacco, Chinese flue-cured tobacco), 8 parts by mass of ethanol and 12 parts by mass of glycerin were added and mixed. The obtained mixture was molded into a tablet shape using a compression molding machine (product name: TDP 0, manufactured by LFA Machines Oxford Ltd). This was dried at 20°C for 2 days, and ethanol was removed to obtain a compression molded body (internal molded body) of the mixture.
  • a compression molding machine product name: TDP 0, manufactured by LFA Machines Oxford Ltd.
  • the compression molded body (internal molded body) of the mixture was immersed in a 2% by mass ethyl cellulose solution (ethanol solution containing 2% by mass ethyl cellulose), removed, and dried to obtain a flavor molded body with an external coating of ethyl cellulose.
  • the compression breaking strength of the flavor molded body was measured using a tablet hardness tester with a pile plunger. Specifically, a pile plunger (product name: Tablet Hardness Tester TH-1, manufactured by AS ONE) was gradually lowered on the flavor molded body harmonized under dry conditions (22 ° C., 15% RH), and the strength when the flavor molded body was compressed and broken was measured three times using a tablet hardness tester (product name: Tablet Hardness Tester TH-1, manufactured by AS ONE). The average value of the three measurements was taken as the compression breaking strength (N). The results are shown in Table 2.
  • the pile plunger has a conical shape on the contact side with the measurement sample, and the measurement sample is pressed at the apex of the cone shape, so that a high pressure can be applied to one point.
  • Example 3 A flavor molded product was produced and evaluated in the same manner as in Example 2, except that a 5% by mass ethyl cellulose solution (an ethanol solution containing 5% by mass ethyl cellulose) was used when forming the outer coating. The results are shown in Table 2.
  • Example 4 A flavor molded product was produced and evaluated in the same manner as in Example 2, except that a 10% by mass ethyl cellulose solution (an ethanol solution containing 10% by mass ethyl cellulose) was used when forming the outer coating. The results are shown in Table 2.
  • the flavor molded bodies of Examples 2 to 4 in which an outer coating of a specified thickness was formed, had low absorbance at wavelengths of 500 nm and 550 nm and were found to have high water resistance.
  • the remaining percentages of glycerin and nicotine after heating were both low, and it was found that the release performance of flavor components or aerosol vaporized components when heated was high.
  • Comparative Example 4 in which an outer coating was not formed, although the remaining percentages of glycerin and nicotine after heating were low, it was found that the absorbance at wavelengths of 500 nm and 550 nm was high and water resistance was low.
  • An inner molded body including a tobacco powder raw material and an aerosol source; an outer coating covering a surface of the inner molded body;
  • a flavor molded body for a non-combustion heating type flavor inhaler comprising: The flavor molded body, wherein the outer coating comprises a polymer that is soluble in ethanol and insoluble in water.
  • the method for producing a flavor molded body for a non-combustion heating type flavor inhaler comprises:
  • binder is at least one selected from the group consisting of CMC (carboxymethylcellulose), EVA (ethylene vinyl acetate copolymer), guar gum, gum arabic, pectin, and starch.
  • CMC carboxymethylcellulose
  • EVA ethylene vinyl acetate copolymer
  • guar gum gum arabic
  • pectin starch
  • step of forming the outer coating is a step of immersing a compression molded body of the mixture in a solution containing the polymer.
  • step of forming the outer coating is a step of spraying a solution containing the polymer onto the surface of the compression molded body of the mixture.
  • a flavor molded product according to any one of [1] to [7], A flavor source container that contains the flavor molded body; a power supply unit including a power supply section; a heating unit that receives power from the power source unit and heats the flavor molded body in the flavor source container;
  • a non-combustion heating type flavor inhaler comprising:

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Abstract

L'invention concerne un corps moulé d'arôme pour un inhalateur d'arôme du type à chauffage sans combustion, le corps moulé d'arôme ayant une résistance élevée à l'eau et présentant des performances élevées quant à la libération d'un composant d'arôme et d'un composant d'aérosol gazéifié lors du chauffage. Ce corps moulé d'arôme pour un inhalateur d'arôme du type à chauffage sans combustion comprend un corps moulé interne comprenant une matière première de poudre de tabac et une source d'aérosol, et un revêtement externe revêtant la surface du corps moulé interne, le revêtement externe comprenant un polymère qui est soluble dans l'éthanol et insoluble dans l'eau.
PCT/JP2022/045586 2022-12-12 2022-12-12 Corps moulé d'arôme pour inhalateur d'arôme du type à chauffage sans combustion, son procédé de production et inhalateur d'arôme du type à chauffage sans combustion WO2024127445A1 (fr)

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Citations (5)

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Publication number Priority date Publication date Assignee Title
US4176668A (en) * 1977-05-02 1979-12-04 Amf Incorporated Novel reconstituted tobacco sheets and process
US20180235273A1 (en) * 2016-09-27 2018-08-23 Altria Client Services Llc Tobacco Beads
JP2019502366A (ja) * 2015-11-27 2019-01-31 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 均質化したたばこ材料の生産ライン、および均質化したたばこ材料のインライン生産のための方法
JP2021503295A (ja) * 2018-08-16 2021-02-12 ユンナン シークェア サイエンス アンド テクノロジー カンパニー リミティドＹｕｎｎａｎ Ｘｉｋｅ Ｓｃｉｅｎｃｅ ＆ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． 一体成形加熱式非燃焼発煙製品およびその製造方法
CN212877577U (zh) * 2020-05-29 2021-04-06 云南中烟工业有限责任公司 一种内含褶皱凸起的支撑单元及包含其的烟支

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176668A (en) * 1977-05-02 1979-12-04 Amf Incorporated Novel reconstituted tobacco sheets and process
JP2019502366A (ja) * 2015-11-27 2019-01-31 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 均質化したたばこ材料の生産ライン、および均質化したたばこ材料のインライン生産のための方法
US20180235273A1 (en) * 2016-09-27 2018-08-23 Altria Client Services Llc Tobacco Beads
JP2021503295A (ja) * 2018-08-16 2021-02-12 ユンナン シークェア サイエンス アンド テクノロジー カンパニー リミティドＹｕｎｎａｎ Ｘｉｋｅ Ｓｃｉｅｎｃｅ ＆ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． 一体成形加熱式非燃焼発煙製品およびその製造方法
CN212877577U (zh) * 2020-05-29 2021-04-06 云南中烟工业有限责任公司 一种内含褶皱凸起的支撑单元及包含其的烟支

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