CN108978222B - Biodegradable composite fiber yarn capable of volatilizing fragrance and preparation and application processes - Google Patents
Biodegradable composite fiber yarn capable of volatilizing fragrance and preparation and application processes Download PDFInfo
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- CN108978222B CN108978222B CN201810758835.1A CN201810758835A CN108978222B CN 108978222 B CN108978222 B CN 108978222B CN 201810758835 A CN201810758835 A CN 201810758835A CN 108978222 B CN108978222 B CN 108978222B
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/507—Polyesters
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/005—Compositions containing perfumes; Compositions containing deodorants
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/12—Processes in which the treating agent is incorporated in microcapsules
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
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Abstract
A biodegradable composite fiber yarn capable of volatilizing fragrance comprises a fiber yarn core and an outer mixed layer wrapped outside the fiber yarn core, wherein the outer mixed layer is formed by mixing a polymer and a flavoring agent, the flavoring agent is a flavoring additive or a flavoring microcapsule, the fiber yarn core is a filament bundle formed by twisting a single filament or a plurality of filaments together, the fiber yarn core is made of a biodegradable material, during manufacturing, the outer surface of the fiber yarn core is wrapped with a molten mixture or a mixed solution to generate the outer mixed layer, and when the biodegradable composite fiber yarn is applied, the composite fiber yarn can be applied to a fragrance generation component in the field of cigarettes. The design can inhibit unnecessary volatilization of the spice, can ensure that the spice volatilizes more uniformly when being applied, has stronger environmental protection performance and higher working efficiency, and is suitable for large-scale production.
Description
Technical Field
The invention relates to a composite fiber yarn, in particular to a biodegradable composite fiber yarn capable of volatilizing fragrance, and a preparation and application process thereof, which are particularly suitable for inhibiting unnecessary volatilization of a perfume and ensuring relatively uniform volatilization of the perfume in application.
Background
At present, the demand of consumers on the tobacco fragrance is diversified day by day, the tobacco fragrance taste generated by the traditional pure tobacco can not meet the market demand, and especially in high-grade cigarettes, the cigarette with differentiated fragrance type not only reflects the image and personality of the product, but also enriches the brand connotation and improves the price grade of the product.
The common way of adding spice into cigarette is to spray essence on tobacco shred, and attach it with tobacco shred as carrier, or directly add spice into filter tip. It is difficult to suppress unnecessary volatilization of the flavor by a similar method, and it is difficult to control the change of the shade of the flavor when the cigarette is used.
The information disclosed in this background section is only for enhancement of understanding of the general background of the patent application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects and problems of the prior art that the unnecessary volatilization of the perfume cannot be inhibited and the volatilization of the perfume is not uniform in application, and provides a composite fiber yarn which can inhibit the unnecessary volatilization of the perfume and the volatilization of the perfume in application, is uniform, can volatilize the perfume and is biodegradable, and a preparation and application process.
In order to achieve the above purpose, the technical solution of the invention is as follows: a composite fiber yarn capable of volatilizing fragrance and being biodegraded comprises a fiber yarn core; an outer mixing layer is wrapped outside the fiber yarn core, the outer mixing layer is formed by mixing a polymer and spices, and the spices are spice additives or spice microcapsules; the fiber yarn core is a filament bundle formed by twisting a single filament or a plurality of filaments together.
The fiber yarn core is made of biodegradable materials.
The fiber yarn core is made of any one or any two or any mixture of polyethylene, polylactic acid, cellulose acetate, starch-based polyester, paper, cotton and hemp.
The outer diameter of the fiber yarn core is 0.05-0.50 mm.
The radius ratio of the fiber yarn core to the composite fiber yarn is 1: 1.1-1: 2;
the single filament is of a hollow or solid structure and is a fiber with a circular cross section, a fiber with an oval cross section or a profiled fiber with a special-shaped cross section;
the fiber yarn core is of a hollow or solid structure, and the cross section of the fiber yarn core is any one of circular, oval or special-shaped; the filaments in the fiber yarn core are of hollow or solid structures, and are fibers with circular cross sections, fibers with oval cross sections or profiled fibers with special-shaped cross sections.
The polymer is any one or any two or any mixture of polycaprolactone, polybutylene adipate, vinyl acetate copolymer, polyoxypropylene, polypropylene, polyethylene, ethylene acrylic acid copolymer and polyitaconate.
The flavor additive or flavor microcapsule is prepared from one or two or more of menthol, eugenol, spearmint, peppermint oil, cocoa powder, vanilla, cinnamon, fruit flavor and licorice.
A preparation process of the composite fiber yarn which can volatilize fragrance and is biodegradable; the preparation process comprises the following steps: firstly, drying and dewatering a fiber yarn core through a drying tunnel, then passing the fiber yarn core through a molten mixture or a mixed solution to coat the fiber yarn core with a mixture of a polymer and a perfume additive or a perfume microcapsule to obtain a coated yarn, then sending the coated yarn obtained through the molten mixture into a mold, and rolling after air cooling to obtain the composite fiber yarn, or sending the coated yarn obtained through the mixed solution into the drying tunnel, and drying and rolling to obtain the composite fiber yarn; the molten mixture is the result of the homogeneous mixing of the polymer with the perfume additive or perfume microcapsule as the fiber yarn core passes through the molten mixture in which the fiber yarn core is immersed to complete the coating; when the fiber yarn core passes through the mixed solution, the mixed solution is obtained by dissolving the polymer and the perfume additive or the perfume microcapsule in ethanol, and the fiber yarn core is soaked in the mixed solution to complete coating.
The weight of the perfume additive or perfume microcapsule is 1.0% to 10.0% of the weight of the polymer.
An application process of the composite fiber yarn capable of volatilizing fragrance and being biodegraded; the use process refers to the application of the composite fiber yarn to a flavor generating component in the field of cigarettes.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a biodegradable composite fiber yarn capable of volatilizing fragrance, and a preparation and application process thereof. In addition, the specific surface area of the fiber yarn core is large, so that the outer mixed layer is favorably wrapped on the outer surface of the fiber yarn core, more spices are favorably added, and a better fragrance effect is obtained. Therefore, the invention not only can inhibit the unnecessary volatilization of the spice and ensure the uniform volatilization of the spice during application, but also is beneficial to improving the using effect of the spice.
2. In the preparation and application processes of the biodegradable composite fiber yarn capable of volatilizing fragrance, the fiber yarn core is made of biodegradable materials, preferably any one or any two or any mixture of polyethylene, polylactic acid, cellulose acetate, starch-based polyester, paper, cotton and hemp, the biodegradable materials are more environment-friendly and more beneficial to expanding the application range, and in addition, the polymer can also be made of biodegradable materials, so that the biodegradable effect of the design is further improved. Therefore, the invention is beneficial to biodegradation and has stronger environmental protection property.
3. The invention relates to a composite fiber yarn capable of volatilizing fragrance and being biodegraded, and a preparation and application process, when the composite fiber yarn is prepared, a mixture of a polymer and a spice additive or a spice microcapsule is coated on the outer surface of a fiber yarn core to obtain a coated yarn, and then the coated yarn is cooled or dried to obtain the product, the whole process layout is clear, the front and back connection is smooth, the composite fiber yarn is very suitable for large-scale production, the working efficiency is higher, in addition, the coating process can have two choices, one is a molten mixture formed by uniformly mixing the polymer and the spice additive or the spice microcapsule, and the other is a mixed solution formed by dissolving the polymer and the spice additive or the spice microcapsule in ethanol, the two choices expand the application range of the invention, so that the composite fiber yarn can be suitable for different operation objects to obtain the best coating effect, finally, a product with better quality is obtained. Therefore, the invention has the advantages of higher working efficiency, suitability for large-scale production, stronger adjustability and wider application range.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
A composite fiber yarn capable of volatilizing fragrance and being biodegraded comprises a fiber yarn core; an outer mixing layer is wrapped outside the fiber yarn core, the outer mixing layer is formed by mixing a polymer and spices, and the spices are spice additives or spice microcapsules; the fiber yarn core is a filament bundle formed by twisting a single filament or a plurality of filaments together.
The fiber yarn core is made of biodegradable materials.
The fiber yarn core is made of any one or any two or any mixture of polyethylene, polylactic acid, cellulose acetate, starch-based polyester, paper, cotton and hemp.
The outer diameter of the fiber yarn core is 0.05-0.50 mm.
The radius ratio of the fiber yarn core to the composite fiber yarn is 1: 1.1-1: 2;
the single filament is of a hollow or solid structure and is a fiber with a circular cross section, a fiber with an oval cross section or a profiled fiber with a special-shaped cross section;
the fiber yarn core is of a hollow or solid structure, and the cross section of the fiber yarn core is any one of circular, oval or special-shaped; the filaments in the fiber yarn core are of hollow or solid structures, and are fibers with circular cross sections, fibers with oval cross sections or profiled fibers with special-shaped cross sections.
The polymer is any one or any two or any mixture of polycaprolactone, polybutylene adipate, vinyl acetate copolymer, polyoxypropylene, polypropylene, polyethylene, ethylene acrylic acid copolymer and polyitaconate.
The flavor additive or flavor microcapsule is prepared from one or two or more of menthol, eugenol, spearmint, peppermint oil, cocoa powder, vanilla, cinnamon, fruit flavor and licorice.
A preparation process of the composite fiber yarn which can volatilize fragrance and is biodegradable; the preparation process comprises the following steps: firstly, drying and dewatering a fiber yarn core through a drying tunnel, then passing the fiber yarn core through a molten mixture or a mixed solution to coat the fiber yarn core with a mixture of a polymer and a perfume additive or a perfume microcapsule to obtain a coated yarn, then sending the coated yarn obtained through the molten mixture into a mold, and rolling after air cooling to obtain the composite fiber yarn, or sending the coated yarn obtained through the mixed solution into the drying tunnel, and drying and rolling to obtain the composite fiber yarn; the molten mixture is the result of the homogeneous mixing of the polymer with the perfume additive or perfume microcapsule as the fiber yarn core passes through the molten mixture in which the fiber yarn core is immersed to complete the coating; when the fiber yarn core passes through the mixed solution, the mixed solution is obtained by dissolving the polymer and the perfume additive or the perfume microcapsule in ethanol, and the fiber yarn core is soaked in the mixed solution to complete coating.
The weight of the perfume additive or perfume microcapsule is 1.0% to 10.0% of the weight of the polymer.
An application process of the composite fiber yarn capable of volatilizing fragrance and being biodegraded; the use process refers to the application of the composite fiber yarn to a flavor generating component in the field of cigarettes.
The principle of the invention is illustrated as follows:
the reason for limiting the outer diameter of the fiber yarn core to 0.05-0.50 mm is that: if the outer diameter is less than 0.05mm, the mechanical property of the composite material is influenced; if the outer diameter of the fiber is higher than 0.5mm, the outer surface of the fiber is simultaneously coated with the polymer and the spice, so that the outer diameter of the obtained product is larger, and the processing technology of adding the product into cigarettes is influenced.
The reason for limiting the weight of the perfume additive or perfume microcapsule to 1.0% -10.0% of the weight of the polymer is that: if the content is less than 1%, the loading amount of the perfume additive or the perfume microcapsule is too low, and the volatile fragrance is not obviously sensed; if the content is more than 10%, the mechanical properties of the entire outer mixed layer are adversely affected, and the volatilization of the fragrance in the unused state is inhibited.
Example 1:
a composite fiber yarn capable of volatilizing fragrance and being biodegraded comprises a fiber yarn core; an outer mixing layer is wrapped outside the fiber yarn core, the outer mixing layer is formed by mixing a polymer and spices, and the spices are spice additives or spice microcapsules; the fiber yarn core is a filament bundle formed by twisting a single filament or a plurality of filaments together.
A preparation process of the composite fiber yarn capable of volatilizing fragrance and being biodegraded comprises the following steps: firstly, drying and dewatering a fiber yarn core through a drying tunnel, then passing the fiber yarn core through a molten mixture or a mixed solution to coat the fiber yarn core with a mixture of a polymer and a perfume additive or a perfume microcapsule to obtain a coated yarn, then sending the coated yarn obtained through the molten mixture into a mold, and rolling after air cooling to obtain the composite fiber yarn, or sending the coated yarn obtained through the mixed solution into the drying tunnel, and drying and rolling to obtain the composite fiber yarn; the molten mixture is the result of the homogeneous mixing of the polymer with the perfume additive or perfume microcapsule as the fiber yarn core passes through the molten mixture in which the fiber yarn core is immersed to complete the coating; when the fiber yarn core passes through the mixed solution, the mixed solution is obtained by dissolving the polymer and the perfume additive or the perfume microcapsule in ethanol, and the fiber yarn core is soaked in the mixed solution to complete coating.
The application process of the composite fiber yarn capable of volatilizing the fragrance and being biodegraded is to apply the composite fiber yarn to a fragrance generating component in the field of cigarettes.
Example 2:
the basic contents are the same as example 1, except that:
the weight of the perfume additive or perfume microcapsule is 1.0% to 10.0% of the weight of the polymer.
Example 3:
the basic contents are the same as example 1, except that:
preferably, the fiber yarn core is made of biodegradable materials. More preferably, the raw material for making the fiber yarn core is any one or any two or any mixture of polyethylene, polylactic acid, cellulose acetate, starch-based polyester, paper, cotton and hemp.
Preferably, the polymer is any one or any two or any mixture of polycaprolactone, polybutylene adipate, vinyl acetate copolymer, polyoxypropylene, polypropylene, polyethylene, ethylene acrylic acid copolymer and polyitaconate.
Preferably, the flavor additive or flavor microcapsule is prepared from one or two or more of menthol, eugenol, spearmint, peppermint oil, cocoa powder, vanilla, cinnamon, fruit flavor, and licorice root.
Example 4:
the basic contents are the same as example 1, except that:
preferably the outer diameter of the fiber yarn core is 0.05-0.50 mm. Preferably, the ratio of the radius of the fiber yarn core to the radius of the composite fiber yarn is 1: 1.1-1: 2.
example 5:
the basic contents are the same as example 1, except that:
the molten mixture is located in a glue tank or extruder and the mixed liquor is located in a solution pool.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.
Claims (10)
1. A composite fiber yarn capable of volatilizing fragrance and being biodegraded comprises a fiber yarn core and is characterized in that: an outer mixed layer is wrapped outside the fiber yarn core, the outer mixed layer is formed by mixing a polymer and spices, and the spices are spice additives; the fiber yarn core is a filament bundle formed by twisting a single filament or a plurality of filaments together;
the polymer is any one or any two or any mixture of polycaprolactone, polybutylene adipate, vinyl acetate copolymer, polyoxypropylene, polypropylene, polyethylene, ethylene acrylic acid copolymer and polyitaconate;
the composite fiber yarn is used as a flavor generating component in the cigarette and is ignited, when the composite fiber yarn is ignited, the fiber yarn core gradually burns, the outer mixing layer gradually melts or decomposes, and the flavor wrapped in the outer mixing layer is gradually exposed and volatilized.
2. A composite yarn of volatile flavor and biodegradable fiber according to claim 1, wherein: the fiber yarn core is made of biodegradable materials.
3. A composite yarn of volatile flavor and biodegradable fiber according to claim 2, wherein: the fiber yarn core is made of any one or any two or any mixture of polyethylene, polylactic acid, cellulose acetate, starch-based polyester, paper, cotton and hemp.
4. A composite fibre yarn according to claim 1, 2 or 3, characterised in that: the outer diameter of the fiber yarn core is 0.05-0.50 mm.
5. A composite fibre yarn according to claim 1, 2 or 3, characterised in that:
the radius ratio of the fiber yarn core to the composite fiber yarn is 1: 1.1-1: 2;
when the fiber yarn core is a single filament, the single filament is of a hollow or solid structure and is a fiber with a circular cross section, a fiber with an oval cross section or a profiled fiber with a special-shaped cross section;
when the fiber yarn core is a filament bundle formed by twisting a plurality of filaments together, the fiber yarn core is of a hollow or solid structure, and the cross section of the fiber yarn core is any one of circular, oval or special-shaped; the filaments in the fiber yarn core are of hollow or solid structures, and are fibers with circular cross sections, fibers with oval cross sections or profiled fibers with special-shaped cross sections.
6. A composite fibre yarn according to claim 1, 2 or 3, characterised in that: the flavoring additive is prepared from one or two or more of menthol, eugenol, spearmint, peppermint oil, cocoa powder, vanilla, cinnamon, fruit flavor, and licorice.
7. A composite fibre yarn according to claim 1, 2 or 3, characterised in that: the perfume additive is a perfume microcapsule.
8. A process for preparing a composite fiber yarn capable of volatilizing fragrance and biodegrading according to claim 1, 2 or 3, characterized in that the preparation process comprises the following steps:
firstly, drying and dewatering a fiber yarn core through a drying tunnel, then passing the fiber yarn core through a molten mixture or a mixed solution to coat the fiber yarn core with a mixture of a polymer and a perfume additive to obtain a coated yarn, then sending the coated yarn obtained through the molten mixture into a mold, and rolling the coated yarn after air cooling to obtain the composite fiber yarn, or sending the coated yarn obtained through the mixed solution into the drying tunnel, and drying and rolling the coated yarn to obtain the composite fiber yarn;
the molten mixture is the result of the homogeneous mixing of the polymer and the perfume additive while the fiber yarn core is passing through the molten mixture, in which the fiber yarn core is immersed to complete the coating;
when the fiber yarn core passes through the mixed solution, the mixed solution is obtained by dissolving the polymer and the perfume additive in ethanol, and the fiber yarn core is soaked in the mixed solution to complete coating.
9. The process for preparing a composite fiber yarn capable of volatilizing fragrance and being biodegraded as claimed in claim 8, wherein: the weight of the perfume additive is 1.0% to 10.0% of the weight of the polymer.
10. A process for using the composite fiber yarn capable of volatilizing fragrance and biodegrading of claim 1, 2 or 3, which is characterized in that: the use process refers to the application of the composite fiber yarn to a flavor generating component in the field of cigarettes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810758835.1A CN108978222B (en) | 2018-07-11 | 2018-07-11 | Biodegradable composite fiber yarn capable of volatilizing fragrance and preparation and application processes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810758835.1A CN108978222B (en) | 2018-07-11 | 2018-07-11 | Biodegradable composite fiber yarn capable of volatilizing fragrance and preparation and application processes |
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| CN108978222A CN108978222A (en) | 2018-12-11 |
| CN108978222B true CN108978222B (en) | 2021-06-11 |
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| CN111074395A (en) * | 2019-12-30 | 2020-04-28 | 江苏欧博智能纺织有限公司 | Aromatic durable spandex-coated yarn and preparation method thereof |
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| CN101296627A (en) * | 2005-09-30 | 2008-10-29 | 菲利普莫里斯生产公司 | Menthol cigarette |
| CN106387994A (en) * | 2016-08-31 | 2017-02-15 | 刘迎春 | Cigarette filter stick containing controlled-release spice core wire |
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| CN85100799A (en) * | 1985-04-01 | 1987-01-10 | 依尔斯持股公司 | Fabrics impregnated with microcapsules |
| US5139687A (en) * | 1990-05-09 | 1992-08-18 | The Proctor & Gamble Company | Non-destructive carriers for cyclodextrin complexes |
| HRP940578B1 (en) * | 1993-10-07 | 1999-10-31 | Hans Noe | Rod-shaped smoking article |
| AU696926B2 (en) * | 1994-09-07 | 1998-09-24 | British-American Tobacco Company Limited | Smoking articles |
| GB0404324D0 (en) * | 2004-02-27 | 2004-03-31 | British American Tobacco Co | Smoking article and apparatus and process for manufacturing a smoking article |
| CN105876852B (en) * | 2016-06-13 | 2017-04-12 | 四川三联卷烟材料有限公司 | Production method of thermal-induced fragrance-holding filter rod |
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| CN108095188A (en) * | 2018-01-25 | 2018-06-01 | 中国烟草总公司郑州烟草研究院 | A kind of core-skin type flavoring filter stick and preparation method thereof |
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| CN101296627A (en) * | 2005-09-30 | 2008-10-29 | 菲利普莫里斯生产公司 | Menthol cigarette |
| CN106387994A (en) * | 2016-08-31 | 2017-02-15 | 刘迎春 | Cigarette filter stick containing controlled-release spice core wire |
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| CN108978222A (en) | 2018-12-11 |
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