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WO2022071563A1 - Feuille de tabac - Google Patents

Feuille de tabac Download PDF

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Publication number
WO2022071563A1
WO2022071563A1 PCT/JP2021/036389 JP2021036389W WO2022071563A1 WO 2022071563 A1 WO2022071563 A1 WO 2022071563A1 JP 2021036389 W JP2021036389 W JP 2021036389W WO 2022071563 A1 WO2022071563 A1 WO 2022071563A1
Authority
WO
WIPO (PCT)
Prior art keywords
tobacco
sheet
segment
weight
wet
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2021/036389
Other languages
English (en)
Japanese (ja)
Inventor
公隆 打井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
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 Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to JP2022554133A priority Critical patent/JP7628551B2/ja
Priority to EP21875859.7A priority patent/EP4223150A4/fr
Publication of WO2022071563A1 publication Critical patent/WO2022071563A1/fr
Priority to JP2023550379A priority patent/JP7678888B2/ja
Priority to KR1020247014009A priority patent/KR20240067119A/ko
Priority to KR1020247014206A priority patent/KR20240067127A/ko
Priority to KR1020247014205A priority patent/KR20240067126A/ko
Priority to EP22875512.0A priority patent/EP4410118A4/fr
Priority to PCT/JP2022/025758 priority patent/WO2023053635A1/fr
Priority to EP22875514.6A priority patent/EP4410120A4/fr
Priority to JP2023550380A priority patent/JPWO2023053635A1/ja
Priority to EP22875513.8A priority patent/EP4410119A4/fr
Priority to PCT/JP2022/025741 priority patent/WO2023053634A1/fr
Priority to PCT/JP2022/025729 priority patent/WO2023053633A1/fr
Priority to JP2023550378A priority patent/JP7690045B2/ja
Anticipated expiration legal-status Critical
Priority to US18/621,155 priority patent/US20240237696A1/en
Priority to US18/623,051 priority patent/US20240245090A1/en
Priority to US18/623,365 priority patent/US20240245103A1/en
Ceased legal-status Critical Current

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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
    • 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
    • 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
    • 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 tobacco sheet.
  • Patent Document 1 Many techniques related to non-combustion type smoking articles that suck the flavor component generated by heating a tobacco sheet have been proposed (for example, Patent Document 1).
  • non-combustion type smoking articles do not have sufficiently high delivery efficiency and the like as compared with conventional combustion type smoking articles, so it has been studied to improve the satisfaction level of use in non-combustion type smoking articles.
  • degree of satisfaction in use the inventors have found that the response in the initial stage of suction is high, that is, the degree of satisfaction in use increases when the delivery of the flavor component in the initial stage of suction is sufficient. In view of such circumstances, it is an object of the present invention to provide a tobacco sheet that achieves sufficient delivery of flavor components at the initial stage of suction.
  • a tobacco sheet having a density of 1.0 g / cm 3 or less A tobacco sheet having a density of 1.0 g / cm 3 or less.
  • the sheet according to (1) which is a pressure-formed sheet.
  • (1) or (2) which is a wet powder containing tobacco particles having a D90 of 200 ⁇ m or more and a liquid medium, and having a water content of 50% by weight or more in the wet powder.
  • Sheet described in. (4)
  • the sheet according to (4) which contains tobacco particles having a D90 of 500 ⁇ m or more.
  • a non-combustion heating type smoking article comprising the tobacco sheet according to any one of (1) to (5) above or a material derived from the tobacco sheet.
  • the medium contains water.
  • the production method according to (7) or (8), wherein the step 2 comprises preparing a laminated sheet in which a wet sheet is present between two base films.
  • step 1 comprises kneading at least a tobacco material, a binder, and a medium with a uniaxial or multiaxial kneader.
  • step 1 comprises kneading at least a tobacco material, a binder, and a medium with a uniaxial or multiaxial kneader.
  • the mixture contains 20 to 80% by weight of a medium based on the total amount of the mixture.
  • Schematic diagram showing an example of a tobacco segment using a tobacco sheet Schematic cross-sectional view showing an example of a non-combustion heating type smoking system
  • X to Y includes X and Y which are fractional values thereof.
  • X to Y includes X and Y which are fractional values thereof.
  • Tobacco sheet A tobacco sheet is a sheet used for smoking articles and includes at least a tobacco material and a binder.
  • Binder A binder is an adhesive for binding tobacco materials to each other or to tobacco materials and other components.
  • known binders can be used.
  • binders include polysaccharides such as guar gum or xanthan gum; and cellulose derivatives such as CMC (carboxymethyl cellulose), CMC-Na (sodium salt of carboxymethyl cellulose), or HPC (hydroxypropyl cellulose).
  • the upper limit of the content of the binder is the dry weight (weight excluding mixed water, the same applies hereinafter) with respect to the dry weight of the tobacco sheet, preferably 6% by weight or less, and the lower limit is preferably 1. By weight% or more, more preferably 3% by weight or more. If the amount of the binder exceeds the upper limit value or is less than the lower limit value, the above effect may not be sufficiently achieved.
  • Binders include polysaccharides, proteins, and synthetic polymers. Specific examples of these are shown below. In the present invention, these binders can also be used in combination.
  • Cellulose derivatives [Cellulose ethers] Methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxymethyl ethyl cellulose, hydroxypropyl cellulose, hydroxypropylmethyl cellulose, benzyl cellulose, trityl cellulose, cyanoethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, aminoethyl cellulose [cellulose esters] Organic acid esters: cellulose acetate, cellulose formate, propionate cellulose, butyrate cellulose, benzoate cellulose, phthalate cellulose, tosyl cellulose Inorganic acid esters: cellulose nitrate, cellulose sulfate, cellulose phosphate, cellulose xanthogenate
  • Naturally-derived polysaccharides [plant-derived] Guar gum, tara gum, roasted bean gum, tamarind seed gum, pectin, gum arabic, tragant gum, karaya gum, gutti gum, arabinogalactan, ama seed gum, cassha gum, psyllium seed gum, savaku yomogi seed gum [derived from algae] Carrageenan, agar, alginate, propylene glycol alginate, farcerelan, fuchronoli extract [derived from microorganisms] Xanthan gum, gellan gum, curdlan, pullulan, agrobacterium succinoglycan, welan gum, macrohomopsis gum, lambzan gum [derived from crustaceans] Chitin, chitosan, glucosamine [starches] Starch, sodium starch glycolate, pregelatinized starch, dextrin
  • the tobacco sheet of the present invention contains tobacco particles as a tobacco material.
  • Tobacco particles are particulate tobacco-derived materials, and examples thereof include particles (crushed leaf tobacco) obtained by crushing leaf tobacco.
  • the upper limit of the particle size D90 is not limited, but is preferably 5 mm or less, more preferably 3 mm or less, still more preferably 1 mm or less from the viewpoint of handleability and the like.
  • the lower limit of the particle size D90 is not limited, but is preferably 200 ⁇ m or more, more preferably 300 ⁇ m or more, still more preferably 400 ⁇ m or more, and particularly preferably 500 ⁇ m or more.
  • the upper limit of the average particle size D50 is preferably 1500 ⁇ m or less, 1000 ⁇ m or less, and 500 ⁇ m or less, and the lower limit thereof is preferably 50 ⁇ m or more, more preferably 100 ⁇ m or more, and further preferably 120 ⁇ m or more.
  • the pulverization can be performed using a known pulverizer, and may be either dry pulverization or wet pulverization. Therefore, the crushed leaf tobacco is also referred to as leaf tobacco particles.
  • the particle size is determined by a laser diffraction / scattering method, and specifically, it is measured using a laser diffraction type particle size distribution measuring device (for example, LA-950 manufactured by HORIBA, Ltd.).
  • the type of tobacco is not limited, and yellow varieties, Burley varieties, Orient varieties, native varieties, and other Nicotiana-Tabacam varieties, Nicotiana rustica varieties, and the like can be used.
  • the amount of tobacco particles in the tobacco sheet is not particularly limited, but is preferably 50 to 95% by weight, more preferably 60 to 90% by weight in terms of dry weight.
  • Aerosol-producing base material The tobacco sheet may contain an aerosol-forming base material.
  • the aerosol-forming substrate is a material that is vaporized and cooled by heating to form an aerosol, or is atomized to produce an aerosol.
  • Known aerosol-forming substrates can be used, such as polyhydric alcohols such as glycerin or propylene glycol (PG); and triethylcitrate (TEC) or triacetin having a boiling point of 100 ° C.
  • the amount of the aerosol-forming base material in the tobacco sheet is a dry weight (weight excluding mixed water, the same applies hereinafter), preferably 1 to 40% by weight, and more preferably 10 to 20% by weight. If the amount of the aerosol-forming base material exceeds the upper limit value, it may be difficult to manufacture the tobacco sheet, and if it is less than the lower limit value, the amount of smoke sensation may decrease.
  • the tobacco sheet may contain an emulsifier.
  • the emulsifier enhances the affinity between the lipophilic aerosol-forming substrate and the hydrophilic tobacco material. Therefore, the addition of an emulsifier is particularly effective when a lipophilic aerosol-forming substrate is used.
  • Known emulsifiers can be used, and examples thereof include emulsifiers having an HLB value of 8 to 18.
  • the amount of the emulsifier is not particularly limited, but is preferably 0.1 to 3 parts by weight, more preferably 1 to 2 parts by weight, based on 100 parts by weight of the tobacco sheet.
  • the tobacco sheet of the present invention does not contain fibers derived from tobacco and fibers derived from materials other than tobacco (for example, cellulose) in one embodiment. In this embodiment, it is possible to prevent these fibers from exerting an undesired effect such as miscellaneous taste on the taste. However, since it is not realistic to completely eliminate the fibers, the amount of the fibers in the tobacco sheet is preferably 1.0% by weight or less, more preferably 0.5% by weight or less in terms of dry weight.
  • the tobacco sheet of the present invention contains, in another aspect, fibers derived from tobacco or fibers derived from a material other than tobacco. In particular, as the particle size of the tobacco particles increases, the sheet tends to become brittle, so that the tobacco sheet preferably contains the fibers.
  • the content (total) of the sheets is 0.5 to 2.0% by weight in dry weight.
  • the fiber improves the strength of the tobacco sheet and is excellent in the balance between taste and strength.
  • the tobacco-derived fiber means a fiber obtained by pulping a tobacco raw material by beating with a grinder or the like, and is different from the above-mentioned tobacco particles.
  • the tobacco sheet may contain a fragrance.
  • a fragrance is a substance that provides a scent and flavor.
  • the fragrance may be a natural fragrance or a synthetic fragrance.
  • One kind of fragrance may be used as a fragrance, or a mixture of a plurality of kinds of fragrances may be used.
  • As the fragrance any fragrance generally used in smoking articles can be used, and specific examples thereof will be described later.
  • the fragrance can be contained in the smoking article sheet in an amount such that the smoking article can provide a preferable scent and flavor, for example, the amount thereof is preferably 1 to 30% by weight in the tobacco sheet, more preferably. Is 2 to 20% by weight.
  • the type of the fragrance is not particularly limited, and from the viewpoint of imparting a good fragrance feeling, acetoanisol, acetophenone, acetylpyrazine, 2-acetylthiazole, alfalfa extract, amyl alcohol, amyl butyrate, trans-annetol, star anis Oil, apple juice, peruvian balsam oil, beeswax absolute, benzaldehyde, benzoin resinoid, benzyl alcohol, benzyl benzoate, benzyl phenylacetate, benzyl propionate, 2,3-butandione, 2-butanol, butyl butyrate, butyric acid, caramel, cardamon Oil, Carobu Absolute, ⁇ -Carotene, Carrot Juice, L-Carbon, ⁇ -Cariophyllene, Cassia Bark Oil, Cedarwood Oil, Cellory Seed Oil, Chamomile Oil, Cinnamaldehyde, Cayhide Acid, Cinnam
  • the tobacco sheet of the present invention has a density of 1.0 g / cm 3 or less.
  • a tobacco sheet having such a low density can achieve sufficient delivery of flavor components in the initial stage of suction.
  • the reason for this is not limited, but it is presumed that the low-density tobacco sheet can reduce the filling density of the tobacco filling in the smoking article, so that the amount of heat received per weight can be increased.
  • cost reduction can be achieved by reducing the filling density. From these viewpoints, the density is preferably 0.95 g / cm 3 or less, more preferably 0.75 g / cm 3 or less.
  • the lower limit of the density is not limited, but is preferably 0.5 g / cm 3 or more from the viewpoint of strength and the like.
  • the density is calculated from the basis weight (weight per unit area) and the thickness.
  • the air permeability of the tobacco sheet of the present invention is preferably in the unit of 0 cholesterol.
  • the thickness of the tobacco sheet is not limited, but the upper limit is preferably 1500 ⁇ m or less, more preferably 1000 ⁇ m or less, still more preferably 500 ⁇ m or less.
  • the lower limit is preferably 20 ⁇ m or more, more preferably 100 ⁇ m or more, and further preferably 150 ⁇ m or more.
  • Tobacco segment A tobacco segment used for smoking articles can be produced from a tobacco sheet.
  • the tobacco segment comprises, in one aspect, a tubular wrapper and a tobacco sheet filled in the wrapper in a spiral shape (see FIG. 1A).
  • 20A is a tobacco segment
  • 1 is a tobacco sheet
  • 22 is a wrapper, and is usually paper.
  • the tobacco segment is preferably rod-shaped, having a length of 15 to 80 mm and a diameter of about 5 to 10 mm.
  • the tobacco segment 20A shown in FIG. 1 (A) can be cut to have an aspect ratio (length / diameter) of about 0.5 to 1.2 (see FIG. 1 (B)).
  • the tobacco segment 20A includes a tubular wrapper 22 in another embodiment, and includes a tobacco sheet 1 folded and filled in the wrapper.
  • the ridges created by folding are substantially parallel to the longitudinal direction of the segment (see FIG. 1 (C)).
  • the tobacco segment 20A is preferably rod-shaped, has a length of 15 to 80 mm and a diameter of about 5 to 10 mm.
  • it is preferable that the tobacco sheet 1 is previously subjected to surface wrinkling processing such as pleating or crimping.
  • the tobacco segment 20A includes a tubular wrapper 22 in another embodiment, and includes a cut piece 1c of a tobacco sheet filled in the wrapper (see FIG. 1 (D)).
  • the tobacco segment 20A is preferably rod-shaped, has a length of 15 to 80 mm and a diameter of about 5 to 10 mm.
  • the size of the cut piece is not limited, but for example, the length of the longest side can be about 2 to 20 mm and the width can be about 0.5 to 1.5 mm.
  • the tobacco segment 20A is provided with a tubular wrapper 22 in another embodiment, and is provided with a strand type engraving filled in the wrapper (see FIG. 1 (E)).
  • the strand type engraving is filled so that its longitudinal direction is substantially parallel to the longitudinal direction of the wrapper 22.
  • the width of the strand type engraving can be about 0.5 to 1.5 mm.
  • the tobacco segment 20A comprises a tubular wrapper 22 in another embodiment, and includes a tobacco engraved filling randomly filled in the wrapper.
  • Tobacco carving is a cut piece and is different from strand type carving.
  • the tobacco sheet can be manufactured by any method, but is preferably manufactured by a method including the following steps. At least, the step 1 of kneading the tobacco particles, the binder, and the medium to prepare a mixture. Step 2 to prepare a wet sheet by squeezing or extruding the mixture from a die. Step 3 of drying the wet sheet.
  • a sheet formed by applying pressure in this way is referred to as a "pressure molded sheet", and as will be described later, the "pressure molded sheet” includes a "laminated sheet” and an "extruded sheet".
  • the laminated sheet is a sheet obtained by compressing the mixture with a roller at least once to a target thickness and then drying it to a target moisture content.
  • the extruded sheet is a sheet obtained by extruding a mixture from a T-die or the like to a target thickness and then drying it to a target water content. Compression and extrusion may be combined in a pressure molded sheet. For example, the mixture may be extruded and then further compressed to form a sheet.
  • Step 1 the tobacco particles, the binder, and the medium are kneaded. If desired, aerosol-forming substrates, emulsifiers, or fragrances can be added. The blending amount of each component is adjusted so that the above-mentioned amount can be achieved.
  • the medium is preferably water or a water-soluble organic solvent having a boiling point of less than 100 ° C. such as ethanol as a main component, and more preferably water or ethanol.
  • This step can be carried out by kneading each component, but is preferably carried out through 1) pulverization of a raw material (for example, a single leaf), 2) preparation of wet powder, and 3) kneading.
  • 1) Crushing In this step pre-crushed tobacco particles having the above-mentioned particle size may be used, but in one embodiment, the raw material is coarsely crushed, and then a crusher (for example, manufactured by Hosokawa Micron, ACM-5) is used.
  • Tobacco particles having the above-mentioned particle size are prepared by finely grinding using the above-mentioned particles. The particle size is measured using a laser diffraction type particle size meter such as a master sizer (manufactured by Malvern).
  • wet powder Preparation of wet powder Add a binder and, if necessary, additives such as fragrance and lipid to the crushed tobacco raw material (for example, tobacco particles) and mix them. Since this mixing is preferably a dry blend, it is preferable to use a mixer as a mixer. Next, a medium such as water and, if necessary, an aerosol-forming base material such as glycerin are added to the dry blend and mixed with a mixer to prepare a wet powder (wet powder).
  • the amount of the medium in the wet powder can be preferably 20 to 80% by weight, more preferably 20 to 40% by weight, and is appropriately prepared by Step 2.
  • the amount of the medium when compression is performed in step 2, can be 20 to 60% by weight or 20 to 50% by weight, and when extrusion is performed, it can be 20 to 80% by weight.
  • the solid content concentration of the wet powder is preferably 50 to 90% by weight.
  • a wet powder containing tobacco particles having a D90 of 200 ⁇ m or more and a liquid medium containing water (more preferably a liquid medium composed of water) and having a water content of 50% by weight or more is used.
  • the wet powder is kneaded using a kneader (for example, DG-1 manufactured by Dalton).
  • a kneader for example, DG-1 manufactured by Dalton.
  • the kneading is preferably carried out until the medium is completely spread, for example, it is preferable to knead until the color of the mixture becomes uniform visually.
  • Step 2 the mixture (wet powder) is squeezed or extruded from a die to prepare a wet sheet.
  • a calendar device for example, manufactured by Yuri Roll Machinery Co., Ltd.
  • a predetermined thickness more than 100 ⁇ m
  • pressurize the mixture It can be expanded to obtain a laminate in which a wet sheet is present between two base films.
  • a non-adhesive film such as a fluoropolymer film is preferable.
  • the pressure expansion by the rollers can be performed multiple times.
  • the mixture (wet powder) from a die (preferably a T die) provided with a predetermined gap to form a wet sheet on the substrate.
  • a die preferably a T die
  • known materials such as a glass plate, a metal plate, and a plastic plate can be used.
  • a known extruder can be used for extrusion.
  • Step 3 the wet sheet is dried.
  • this step can be carried out by the following procedure. 1) Peel off one of the base films. 2) Dry the laminate using a ventilation dryer. The drying temperature may be room temperature, but is preferably 50 to 100 ° C., and the drying time can be 1 to 2 minutes. 3) Next, the remaining base film is peeled off and further dried under the above conditions to obtain a tobacco sheet. By performing the drying in this way, it is possible to prevent the tobacco sheet from adhering to other base materials.
  • the tobacco sheet obtained in this way is also referred to as a "laminate sheet".
  • the laminated sheet has a smooth surface and is preferable because it can suppress the occurrence of spillage when it comes into contact with other members. Further, this method is suitable for producing a sheet having a thickness of 300 ⁇ m or less.
  • the wet sheet on the base material is air-dried or heated to dry.
  • the drying conditions are as described above.
  • the tobacco sheet thus obtained is also referred to as an "extruded sheet".
  • the extruded sheet is preferable because it has a smooth surface and can suppress the occurrence of spillage when it comes into contact with other members. This method is suitable for producing a sheet having a thickness of 200 ⁇ m or more.
  • smoking articles examples include flavor-sucking articles in which the user tastes the flavor by suction, and smokeless tobacco (smokeless smoking articles) in which the user tastes the flavor by directly including the product in the nasal cavity and oral cavity.
  • the flavor suction article can be roughly classified into a combustion type smoking article typified by a conventional cigarette and a non-combustion type smoking article.
  • the tobacco sheet of the present invention is suitable for a flavor suction article.
  • combustion-type flavor suction article examples include cigarettes, pipes, pipes, cigars, cigarillos, and the like.
  • the non-combustion heating type flavor suction article may be heated by a heating device separate from the article, or may be heated by a heating device integrated with the article.
  • the non-combustion heating type flavor suction article and the heating device are collectively referred to as a "non-combustion heating type smoking system".
  • An example of a non-combustion heating type smoking system will be described below with reference to FIGS. 2 and 3.
  • FIG. 2 is a schematic cross-sectional view showing an example of a non-combustion heating type smoking system, and shows a state before inserting the heater 12 into the tobacco segment 20A of the non-combustion heating type flavor suction article 20. At the time of use, the heater 12 is inserted into the tobacco segment 20A.
  • FIG. 3 is a cross-sectional view of the non-combustion heating type flavor suction article 20.
  • the non-combustion heating type smoking system includes a non-combustion heating type flavor suction article 20 and a heating device 10 for heating the tobacco segment 20A from the inside.
  • the non-combustion heating type smoking system is not limited to the configuration shown in FIG.
  • the heating device 10 shown in FIG. 2 includes a body 11 and a heater 12.
  • the body 11 may include a battery unit and a control unit.
  • the heater 12 can be a heater due to electrical resistance and is inserted into the tobacco segment 20A to heat the tobacco segment 20A.
  • the tobacco sheet of the present invention is highly effective when the tobacco segment 20A is heated from the inside as shown in FIG.
  • the aspect of the non-combustion heating type flavor suction article 20 is not limited to this, and in another aspect, the tobacco segment 20A is heated from the outside.
  • the heating temperature by the heating device 10 is not particularly limited, but is preferably 400 ° C. or lower, more preferably 50 to 400 ° C., and even more preferably 150 to 350 ° C.
  • the heating temperature refers to the temperature of the heater 12 of the heating device 10.
  • the non-combustion heating type flavor suction article 20 (hereinafter, simply referred to as “flavor suction article 20”) has a cylindrical shape.
  • the circumference of the flavor suction article 20 is preferably 16 to 27 mm, more preferably 20 to 26 mm, and even more preferably 21 to 25 mm.
  • the total length (horizontal length) of the flavor suction article 20 is not particularly limited, but is preferably 40 to 90 mm, more preferably 50 to 75 mm, and even more preferably 50 to 60 mm.
  • the flavor suction article 20 is composed of a cigarette segment 20A, a filter portion 20C constituting a mouthpiece, and a connecting portion 20B connecting these.
  • the tobacco segment 20A is columnar, and its total length (length in the axial direction) is preferably, for example, 5 to 100 mm, more preferably 10 to 50 mm, and further preferably 10 to 25 mm. preferable.
  • the shape of the cross section of the tobacco segment 20A is not particularly limited, but may be, for example, a circle, an ellipse, a polygon, or the like.
  • the tobacco segment 20A has a tobacco sheet or a material 21 derived from the tobacco sheet, and a wrapper 22 wrapped around the tobacco sheet 20A. Further, the wrapper 22 may be the tobacco sheet 1 of the present invention.
  • the filter unit 20C has a cylindrical shape.
  • the filter unit 20C has a rod-shaped first segment 25 filled with cellulose acetate acetate fiber and a rod-shaped second segment 26 also filled with cellulose acetate acetate fiber.
  • the first segment 25 is located on the tobacco segment 20A side.
  • the first segment 25 may have a hollow portion.
  • the second segment 26 is located on the mouthpiece side.
  • the second segment 26 is solid.
  • the first segment 25 is composed of a first packed layer (cellulose acetate acetate fiber) 25a and an inner plug wrapper 25b wound around the first packed layer 25a.
  • the second segment 26 is composed of a second packed layer (cellulose acetate acetate fiber) 26a and an inner plug wrapper 26b wound around the second packed layer 26a.
  • the first segment 25 and the second segment 26 are connected by an outer plug wrapper 27.
  • the outer plug wrapper 27 is adhered to the first segment 25 and the second segment 26 with a vinyl acetate emulsion-based adhesive
  • the length of the filter portion 20C is, for example, 10 to 30 mm
  • the length of the connecting portion 20B is, for example, 10 to 30 mm
  • the length of the first segment 25 is, for example, 5 to 15 mm
  • the length of the second segment 26 is, for example, 5 to 15 mm. can do.
  • the length of each of these individual segments is an example, and can be appropriately changed depending on the manufacturing aptitude, the required quality, the length of the tobacco segment 20A, and the like.
  • the first segment 25 (center hole segment) is composed of a first packed layer 25a having one or more hollow portions and an inner plug wrapper 25b covering the first packed layer 25a.
  • the first segment 25 has a function of increasing the strength of the second segment 26.
  • the first packed layer 25a of the first segment 25 is filled with, for example, cellulose acetate fibers at a high density.
  • a plasticizer containing triacetin is added to the cellulose acetate fiber in an amount of, for example, 6 to 20% by mass based on the mass of cellulose acetate and cured.
  • the hollow portion of the first segment 25 has, for example, an inner diameter of ⁇ 1.0 to ⁇ 5.0 mm.
  • the first packed layer 25a of the first segment 25 may be composed of, for example, a relatively high fiber filling density, or may be equivalent to the fiber filling density of the second packed layer 26a of the second segment 26 described later. May be good. Therefore, at the time of suction, air or aerosol flows only in the hollow portion, and almost no air or aerosol flows in the first packed bed 25a.
  • the length of the second segment 26 can be shortened and the first segment 25 can be lengthened by that amount.
  • Replacing the shortened second segment 26 with the first segment 25 is effective for increasing the delivery amount of the aerosol component. Since the first packed layer 25a of the first segment 25 is a fiber packed layer, the feeling of touch from the outside during use does not cause a sense of discomfort to the user.
  • the second segment 26 is composed of a second packed layer 26a and an inner plug wrapper 26b that covers the second packed layer 26a.
  • the second segment 26 (filter segment) is filled with cellulose acetate fibers at a general density and has the filtering performance of a general aerosol component.
  • the filtration performance for filtering the aerosol (mainstream smoke) emitted from the tobacco segment 20A may be different between the first segment 25 and the second segment 26. At least one of the first segment 25 and the second segment 26 may contain a fragrance.
  • the structure of the filter unit 20C is arbitrary, and may be a structure having a plurality of segments as described above, or may be composed of a single segment. Further, the filter unit 20C may be composed of one segment. In this case, the filter unit 20C may be composed of either a first segment or a second segment.
  • the connecting portion 20B has a cylindrical shape.
  • the connecting portion 20B has a paper tube 23 formed in a cylindrical shape by, for example, thick paper.
  • the connecting portion 20B may be filled with a cooling member for cooling the aerosol.
  • the cooling member include a sheet of a polymer such as polylactic acid, and the sheet can be folded and filled.
  • a support portion may be provided between the tobacco segment 20A and the connecting portion 20B to prevent the position of the tobacco segment 20A from fluctuating.
  • the support portion can be made of a known material such as a center hole filter such as the first segment 25.
  • the wrapper 28 is wound in a cylindrical shape on the outside of the tobacco segment 20A, the connecting portion 20B, and the filter portion 20C, and these are integrally connected.
  • a vinyl acetate emulsion-based adhesive is applied to one surface (inner surface) of the wrapper 28 on the entire surface or substantially the entire surface except the vicinity of the ventilation hole portion 24.
  • the plurality of ventilation holes 24 are formed by laser processing from the outside after the tobacco segment 20A, the connecting portion 20B, and the filter portion 20C are integrated by the wrapper 28.
  • the ventilation hole portion 24 has two or more through holes so as to penetrate the connecting portion 20B in the thickness direction.
  • the two or more through holes are formed so as to be arranged radially when viewed from the extension line of the central axis of the flavor suction article 20.
  • the ventilation hole portion 24 is provided in the connecting portion 20B, but may be provided in the filter portion 20C.
  • the two or more through holes of the ventilation hole portion 24 are provided side by side in a row at regular intervals on one ring, but at regular intervals on the two rings.
  • the vent holes 24 in one row or two rows may be provided side by side in two rows, or the ventilation holes 24 in one row or two rows may be provided side by side in a discontinuous or irregular manner.
  • Example 1 Tobacco leaves were pulverized using a pulverizer (ACM-5 manufactured by Hosokawa Micron) so that D90 was 400 ⁇ m to obtain leaf tobacco particles. D90 was measured with a master sizer (manufactured by malvern). Leaf tobacco particles and Sunrose F20HC (cellulose ether manufactured by Nippon Paper Industries, Ltd.) as a binder were dry-blended using a mixer. Next, glycerin as an aerosol-forming base material and water as a medium were added to the dry blend, and the mixture was mixed with a mixer to prepare a wet powder. The composition of each component is as shown in Table 1.
  • the wet powder was kneaded 6 times at room temperature to obtain a mixture.
  • the die shape was a circular shape, and the screw rotation speed was 60 rpm.
  • Teflon (registered trademark) film was peeled off from the laminate and dried at 80 ° C. for 1 to 2 minutes using a ventilation dryer. Then, another film was peeled off, the wet sheet was dried under the same conditions, and the tobacco sheet of the present invention was produced and evaluated.
  • the tobacco leaf crushed product, glycerin, and the binder indicate the dry matter weight
  • the water indicates the total amount of the charged weight and the water content contained in the tobacco leaf crushed product, glycerin, and the binder.
  • Example 2 and 3 Tobacco sheets were produced and evaluated in the same manner as in Example 1 except that leaf tobacco particles having a D90 of 600 ⁇ m and 800 ⁇ m were used, respectively.
  • Tobacco sheets were produced and evaluated in the same manner as in Example 1 except that leaf tobacco particles having a D90 of 80 ⁇ m and 200 ⁇ m were used, respectively.
  • Example 4 Tobacco sheets were produced and evaluated by the same method as in Example 1 except that leaf tobacco particles having a D90 of 200 ⁇ m were used and the weight ratio of water in the wet powder was 50 WB% by weight.
  • Tobacco sheets were produced and evaluated by the same method as in Example 1 except that leaf tobacco particles having a D90 of 200 ⁇ m were used and the weight ratios of water in the wet powder were 30 and 40 WB% by weight, respectively. These results are shown in Table 3.
  • the "amount of water in the wet powder" in Table 3 corresponds to the amount of water in the weight ratio in the wet powder in Table 1.
  • Example 5 and Comparative Example 5 A tobacco sheet having a sheet density of 0.75 g / cm 3 and 0.96 g / cm 3 (Example 5) and a tobacco sheet having a sheet density of 1.19 g / cm 3 (Comparative Example 5) by a casting method according to a conventional method. ) Were manufactured respectively.
  • the smoking article using the sheet of Example 5 has better delivery of the flavor component at the initial stage of suction than the smoking article using the sheet of Comparative Example 5. It was confirmed that. From this, it was inferred that the smoking articles using the tobacco sheets obtained in Examples 1 to 3 also had good delivery of the flavor component in the initial stage of suction.
  • the sample was sampled under the conditions of a smoke absorption capacity of 27.5 ml / sec, a smoke absorption time of 2 seconds / puff, a smoke absorption frequency of 2 puffs / minute, and 14 puffs.
  • the particulate matter in cigarette smoke per puff was collected by a Cambridge filter (Borgwaldt KC Inc., CM-133).
  • the Cambridge filter after the smoking test was shaken in 10 mL of methanol (manufactured by Wako Pure Chemical Industries, Ltd., special grade reagent) to obtain an analysis sample.
  • 1 ⁇ L of the obtained analytical sample was collected in a microsyringe and analyzed by gas chromatograph mass spectrometry (GC-MSD manufactured by Agilent, GC: 7890A, MS: 5975C).
  • a tobacco sheet was cut into 55 mm squares, the weight (dry weight) was measured, and the weight per unit area (basis weight) was calculated. In addition, the thickness was measured with a thickness meter (manufactured by Mitutoyo), and the density was calculated from the basis weight and thickness.
  • a disperser manufactured by Primix
  • the tobacco leaf crushed product, glycerin, and the binder indicate the dry matter weight
  • the water indicates the total amount of the charged weight and the water content contained in the tobacco leaf crushed product, glycerin, and the binder.
  • Example 6 Tobacco sheets were produced and evaluated in the same manner as in Example 5A, except that leaf tobacco particles having a D90 of 80 ⁇ m were used. These results are shown in Table 3.
  • Tobacco sheet 1c Tobacco sheet cut pieces 10 Heating device 11 Body 12 Heater 20 Non-combustion heating type flavor suction article 20A Tobacco segment 20B Connection part 20C Filter part 21 Tobacco sheet or material derived from it 22 Wrapper 23 Paper tube 24 Vent 25 1st segment 25a 1st packed layer 25b Inner plug wrapper 26 2nd segment 26a 2nd packed layer 26b Inner plug wrapper 27 Outer plug wrapper 28 Wrapper

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)

Abstract

L'invention concerne une feuille de tabac présentant une densité inférieure ou égale à 1,0 g/cm3. La feuille de tabac est de préférence une feuille stratifiée.
PCT/JP2021/036389 2020-10-02 2021-10-01 Feuille de tabac Ceased WO2022071563A1 (fr)

Priority Applications (17)

Application Number Priority Date Filing Date Title
JP2022554133A JP7628551B2 (ja) 2020-10-02 2021-10-01 たばこシート
EP21875859.7A EP4223150A4 (fr) 2020-10-02 2021-10-01 Feuille de tabac
JP2023550378A JP7690045B2 (ja) 2021-10-01 2022-06-28 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
EP22875514.6A EP4410120A4 (fr) 2021-10-01 2022-06-28 Feuille de tabac pour inhalateur d'arôme de type à chauffage sans combustion, inhalateur d'arôme de type à chauffage sans combustion, et système d'inhalation d'arôme de type à chauffage sans combustion
PCT/JP2022/025741 WO2023053634A1 (fr) 2021-10-01 2022-06-28 Feuille de tabac pour inhalateur d'arôme de type à chauffage sans combustion et son procédé de fabrication, inhalateur d'arôme de type à chauffage sans combustion, et système d'inhalation d'arôme de type à chauffage sans combustion
KR1020247014206A KR20240067127A (ko) 2021-10-01 2022-06-28 비연소 가열형 향미 흡인기용 담배 시트 및 그의 제조 방법, 비연소 가열형 향미 흡인기와 비연소 가열형 향미 흡인 시스템
KR1020247014205A KR20240067126A (ko) 2021-10-01 2022-06-28 비연소 가열형 향미 흡인기용 담배 시트, 비연소 가열형 향미 흡인기, 및 비연소 가열형 향미 흡인 시스템
EP22875512.0A EP4410118A4 (fr) 2021-10-01 2022-06-28 Feuille de tabac pour inhalateur d'arôme de type à chauffage sans combustion, inhalateur d'arôme de type à chauffage sans combustion, et système d'inhalation d'arôme de type à chauffage sans combustion
PCT/JP2022/025758 WO2023053635A1 (fr) 2021-10-01 2022-06-28 Feuille de tabac pour inhalateur d'arôme de type à chauffage sans combustion, inhalateur d'arôme de type à chauffage sans combustion, et système d'inhalation d'arôme de type à chauffage sans combustion
JP2023550379A JP7678888B2 (ja) 2021-10-01 2022-06-28 非燃焼加熱型香味吸引器用たばこシート及びその製造方法、非燃焼加熱型香味吸引器、並びに非燃焼加熱型香味吸引システム
JP2023550380A JPWO2023053635A1 (fr) 2021-10-01 2022-06-28
EP22875513.8A EP4410119A4 (fr) 2021-10-01 2022-06-28 Feuille de tabac pour inhalateur d'arôme de type à chauffage sans combustion et son procédé de fabrication, inhalateur d'arôme de type à chauffage sans combustion, et système d'inhalation d'arôme de type à chauffage sans combustion
KR1020247014009A KR20240067119A (ko) 2021-10-01 2022-06-28 비연소 가열형 향미 흡인기용 담배 시트, 비연소 가열형 향미 흡인기, 및 비연소 가열형 향미 흡인 시스템
PCT/JP2022/025729 WO2023053633A1 (fr) 2021-10-01 2022-06-28 Feuille de tabac pour inhalateur d'arôme de type à chauffage sans combustion, inhalateur d'arôme de type à chauffage sans combustion, et système d'inhalation d'arôme de type à chauffage sans combustion
US18/621,155 US20240237696A1 (en) 2021-10-01 2024-03-29 Tobacco sheet for non-combustion heating-type flavor inhaler, non-combustion heating-type flavor inhaler, and non-combustion heating-type flavor inhalation system
US18/623,051 US20240245090A1 (en) 2021-10-01 2024-04-01 Tobacco sheet for non-combustion heating flavor inhaler, non-combustion heating flavor inhaler, and non-combustion heating flavor inhalation system
US18/623,365 US20240245103A1 (en) 2021-10-01 2024-04-01 Tobacco sheet for non-combustion heating-type flavor inhaler and method for manufacturing same, non-combustion heating-type flavor inhaler, and non-combustion heating-type flavor inhaling system

Applications Claiming Priority (2)

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JP2020168073 2020-10-02
JP2020-168073 2020-10-02

Publications (1)

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WO2022071563A1 true WO2022071563A1 (fr) 2022-04-07

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PCT/JP2021/036389 Ceased WO2022071563A1 (fr) 2020-10-02 2021-10-01 Feuille de tabac

Country Status (3)

Country Link
EP (1) EP4223150A4 (fr)
JP (1) JP7628551B2 (fr)
WO (1) WO2022071563A1 (fr)

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WO2024189730A1 (fr) * 2023-03-13 2024-09-19 日本たばこ産業株式会社 Feuille de tabac pour inhalateur d'arôme de type à chauffage sans combustion, inhalateur d'arôme de type à chauffage sans combustion et système d'inhalation d'arôme de type à chauffage sans combustion

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WO2025157514A1 (fr) * 2024-01-26 2025-07-31 Jt International Sa Procédé de production d'un matériau de génération d'aérosol avec un matériau végétal solide

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WO2021078691A1 (fr) 2019-10-21 2021-04-29 Philip Morris Products S.A. Nouveau substrat générateur d'aérosol comprenant une espèce de zingiber
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WO2020089089A1 (fr) * 2018-10-29 2020-05-07 Nerudia Limited Consommable de substitution à l'acte de fumer
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WO2020239597A1 (fr) 2019-05-24 2020-12-03 Philip Morris Products S.A. Nouveau substrat de génération d'aérosol
WO2021078691A1 (fr) 2019-10-21 2021-04-29 Philip Morris Products S.A. Nouveau substrat générateur d'aérosol comprenant une espèce de zingiber
WO2021078683A1 (fr) 2019-10-21 2021-04-29 Philip Morris Products S.A. Nouveau substrat de génération d'aérosol comprenant des espèces d'illicium

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JP7628551B2 (ja) 2025-02-10
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