WO2025041259A1 - Matériau pour article à fumer contenant un résidu d'extraction de tabac, procédé de production dudit matériau et article à fumer contenant ledit matériau - Google Patents

Matériau pour article à fumer contenant un résidu d'extraction de tabac, procédé de production dudit matériau et article à fumer contenant ledit matériau Download PDF

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Publication number
WO2025041259A1
WO2025041259A1 PCT/JP2023/030128 JP2023030128W WO2025041259A1 WO 2025041259 A1 WO2025041259 A1 WO 2025041259A1 JP 2023030128 W JP2023030128 W JP 2023030128W WO 2025041259 A1 WO2025041259 A1 WO 2025041259A1
Authority
WO
WIPO (PCT)
Prior art keywords
tobacco
smoking article
residue
smoking
smoking articles
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.)
Pending
Application number
PCT/JP2023/030128
Other languages
English (en)
Japanese (ja)
Inventor
雄史 新川
学 山田
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 PCT/JP2023/030128 priority Critical patent/WO2025041259A1/fr
Publication of WO2025041259A1 publication Critical patent/WO2025041259A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
    • A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • 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
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • 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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Definitions

  • the present invention relates to a material for smoking articles containing tobacco extract residue, a method for producing the same, and smoking articles containing the same.
  • a known method for producing tobacco sheets is the so-called papermaking method, which involves subjecting tobacco raw materials to water extraction to separate the extraction water and a residue, papermaking the residue into a sheet, and pouring the extraction water back onto the sheet (e.g., Patent Document 1).
  • the objective of the present invention is to provide materials for smoking articles that place a low burden on the environment.
  • a material for smoking articles comprising tobacco extract residue obtained by extracting tobacco raw material.
  • Aspect 2 2.
  • Aspect 3 The material according to claim 1 or 2, wherein the nicotine content of the extraction residue is 1% by weight or less of the nicotine content of the tobacco raw material.
  • Aspect 4 4.
  • Aspect 6 A wrapper, a paper tube, a filter, or a pulp molded cup formed from the material of any one of claims 1 to 4.
  • Aspect 7 A step of subjecting a tobacco raw material to extraction with a medium to obtain a tobacco extraction residue; and a molding step of molding the tobacco extraction residue.
  • a method for producing the material according to any one of aspects 1 to 6, comprising: Aspect 8 The method according to claim 7, wherein the medium is water or a medium containing water.
  • Aspect 9 9. The method of claim 7 or 8, wherein the forming step comprises papermaking or pulp molding.
  • Aspect 10 A smoking article comprising the material of any one of aspects 1 to 5.
  • Aspect 11 The smoking article according to claim 10, further comprising an extract obtained by extracting a tobacco raw material.
  • the present invention provides materials for smoking articles that have a low environmental impact.
  • FIG. 1 shows an example of a smoking article.
  • Diagram explaining caps and cups A graph showing the relationship between the amount of carbonized components and the TPM reduction rate.
  • X-Y includes the extreme values X and Y.
  • Weights are dry weights unless otherwise noted.
  • Tobacco Extraction Residue Tobacco extraction residue is a solid obtained by subjecting tobacco raw materials to extraction.
  • the extraction method can be carried out as known in the art, and examples thereof include the following methods. 1) A method in which tobacco raw materials are subjected to extraction using a medium to obtain a tobacco extract and a tobacco extract residue, 2) A method in which a medium is added to a tobacco raw material and heated, and the generated steam is collected to obtain a tobacco extract and a tobacco extract residue, and 3) A method in which a medium that has been vaporized by heating is passed through a tobacco raw material, and the vapor after the passage is collected to obtain a tobacco extract and a tobacco extract residue.
  • the medium include water, a hydrophilic organic solvent such as alcohol, or a combination thereof, and it is preferable that the medium is water or contains water.
  • Filler Fillers are inorganic materials used in paper, such as calcium carbonate, titanium dioxide, kaolin, etc., and calcium carbonate is preferred from the viewpoint of enhancing flavor and whiteness. Therefore, fillers are useful when the material for smoking articles is made into a nonwoven fabric such as paper. In one embodiment, the content of the filler in the material for smoking articles is 10% by weight or more and less than 60% by weight.
  • the molding can be carried out as is well known.
  • the slurry can be filled into a female mold, and the slurry can be compressed and dehydrated using a male mold to form the desired shape.
  • Figure 1 is a schematic diagram showing this embodiment.
  • 1 is the slurry
  • 2 is the male mold
  • 3 is the female mold
  • 4 is a through hole
  • 10 is the pulp molded product.
  • the slurry is filled into the female mold 3
  • the male mold 2 applies pressure to the slurry and the slurry is removed.
  • the female mold 3 may be formed of a mesh.
  • the pulp molded product 10 obtained in this manner may be heated, coated with a coating agent, or other processes may be carried out.
  • the pulp molded product 10 is in the shape of a cup (container).
  • the cup is useful as a material for retaining a flavor source in a non-combustion indirectly heated smoking article or a non-combustion directly heated smoking article.
  • the pulp molded cup will be described below.
  • FIG. 2 shows an example of a smoking article equipped with the cup.
  • 5 is a non-combustion heating smoking article
  • 10 is a pulp molded cup
  • 11 is a chamber that houses the cup
  • 12 is a coil
  • 14 is a control device
  • 16 is a power source
  • 18 is a cap, which is the mouth end.
  • FIG. 3 is a diagram further explaining the cap 18 and the pulp molded cup 10.
  • 182 is an opening
  • 184 is a tube
  • 186 is a mouth hole
  • 102 is a seal
  • 104 is a contained object.
  • the tip of the tube 184 has a shape that can penetrate the seal 102.
  • the cap 18 can be joined to the pulp molded cup 10, and is integrated as shown in the right figure.
  • air taken in from the opening 182 passes through the contained object 104 and flows to the mouth hole 186 via the tube 184 located in the center.
  • a susceptor is placed in the cup, and the contained object 104 is heated by electromagnetic induction heating.
  • the coil 12 can be replaced by a heater.
  • the contents 104 contained in the pulp molded cup 10 may be a molded body containing a tobacco extract and an aerosol source.
  • the molded body may be in the form of granules or a sheet.
  • the pulp molded cup 10 may also contain a carrier carrying a tobacco extract or an aerosol source.
  • the carrier may be the tobacco extract residue.
  • the carrier may be a paper filter formed from the tobacco extract residue.
  • a susceptor may be contained in the pulp molded cup 10.
  • the susceptor may be plate-shaped or cylindrical. The cylindrical susceptor may be placed in the cup by insert molding when the cup is manufactured using a pulp mold.
  • the pulp molded cup 10 may also contain a tobacco material.
  • an aerosol source storage section may be provided upstream of the pulp molded cup 10, and the aerosol generated by heating the aerosol source may be introduced into the pulp molded cup 10. That is, the pulp molded cup 10 may also be used for a non-combustion indirectly heated smoking article.
  • an opening for introducing air is provided in the bottom or side of the pulp molded cup 10. In this embodiment, there is no need to provide a tube 184 in the cap 18.
  • the thickness of the pulp molded cup 10 is preferably 0.2 to 1.0 mm. From the same viewpoints, the specific gravity of the cup 10 is preferably 0.8 to 1.5 cm3 .
  • the material for smoking articles can be in the form of a nonwoven fabric, which is suitable for wrappers, paper tubes, filters (e.g., paper filters) in combustion-type smoking articles or non-combustion directly heated smoking articles.
  • the nonwoven fabric can be obtained by papermaking the material for smoking articles. Papermaking can be performed as known in the art. For example, the slurry can be spread on a substrate such as a wire part, and dehydrated and dried to obtain a nonwoven fabric.
  • the wrapper preferably contains a filler.
  • the filler content is preferably 10% or more and less than 60% by weight, more preferably 15-45% by weight, based on the weight of the wrapper.
  • Preferred embodiments include a basis weight of 25-45 gsm and a filler content of 15-45% by weight, a basis weight of 25-35 gsm and a filler content of 15-45% by weight, or a basis weight of 35-45 gsm and a filler content of 25-45% by weight.
  • the wrapper may contain other auxiliary agents.
  • a water resistance improver may be added as an auxiliary agent.
  • the water resistance improver includes a wet strength agent (WS agent) and a sizing agent.
  • WS agent wet strength agent
  • PAE polyamide epichlorohydrin
  • the wet strength agent include urea formaldehyde resin, melamine formaldehyde resin, polyamide epichlorohydrin (PAE), etc.
  • PAE polyamide epichlorohydrin
  • the sizing agent include rosin soap, alkyl ketene dimer (AKD), alkenyl succinic anhydride (ASA), and highly saponified polyvinyl alcohol with a saponification degree of 90% or more.
  • the wrapper may also be coated. At least one surface may be coated.
  • the coating agent is not limited to, but is preferably a coating agent capable of forming a film on the surface of the paper and reducing the permeability to liquids.
  • coating agents include alginic acid and its salts (e.g., sodium salt); polysaccharides such as pectin; cellulose derivatives such as ethyl cellulose, methyl cellulose, carboxymethyl cellulose, and nitrocellulose; starch and its derivatives (e.g., ether derivatives such as carboxymethyl starch, hydroxyalkyl starch, and cationic starch, and ester derivatives such as starch acetate, starch phosphate, and starch octenyl succinate).
  • alginic acid and its salts e.g., sodium salt
  • polysaccharides such as pectin
  • cellulose derivatives such as ethyl cellulose, methyl cellulose, carboxymethyl cellulose, and
  • the nonwoven fabric is also useful as a paper filter.
  • a paper filter can be produced by filling a wrapper with the nonwoven fabric.
  • the ridges formed by folding the nonwoven fabric are approximately parallel to the longitudinal direction of the filter.
  • the nonwoven fabric may be subjected to a crimping treatment.
  • the material for smoking articles containing tobacco extract residue does not contain an excessive amount of carbonized components.
  • the carbonized components are components that do not become carbonized at temperatures below 250°C, but become carbonized when maintained at a temperature of 250°C for a predetermined time. When the material for smoking articles is heated during production or use, the carbonized components may burn and adhere to the production equipment or the smoking article. As a result, the aroma and taste of the smoking article may be deteriorated. From this viewpoint, the amount of the carbonized components is preferably 30 mg or less, more preferably 10 mg or less, and even more preferably 6 mg or less per 1 g of the material for smoking articles.
  • the amount of carbonized components contained in the material for smoking articles can be determined, for example, by the following measurement method.
  • An immersion liquid (propylene glycol 47.5% by weight, glycerin 47.5% by weight, water 5% by weight) is prepared, which is 5 times the weight of the smoking article material.
  • the smoking article material is immersed in the immersion liquid and left to stand at 60°C for 1 hour.
  • the smoking article material and the immersion liquid are then separated, and the immersion liquid is heated to 180°C to volatilize the solvent (liquid component) contained in the immersion liquid to obtain a "non-volatile residue".
  • This residue is then heated to 250°C to carbonize the residue, obtaining a carbonized component, and the weight of the carbonized component is measured.
  • the amount of carbonized component measured in this manner is the amount of carbonized component contained in the smoking article material.
  • Fig. 4 shows the results of measuring the TPM reduction rate relative to the amount of carbonized components contained in 1 g of aerosol liquid.
  • the horizontal axis of Fig. 4 shows the amount of carbonized components contained in 1 g of aerosol liquid, and the vertical axis shows the TPM reduction rate ( RTPM ) (%).
  • the TPM reduction rate (RTPM:%) in Figure 4 was measured using the following method. First, several smoking article materials (samples SA1 to SA5) with different amounts of carbonized components contained in 1 g of aerosol liquid were prepared. These five samples were prepared using the following process.
  • Step 1 To a tobacco raw material consisting of tobacco leaves, 20% by dry weight of potassium carbonate was added, and then a heat distillation treatment was performed. The distillation residue after this heat distillation treatment was immersed in water in an amount 15 times the weight of the tobacco raw material before the heat distillation treatment for 10 minutes, dehydrated in a dehydrator, and then dried in a dryer to obtain a tobacco residue.
  • Step 2 Next, a portion of the tobacco residue obtained in step 1 was washed with water to prepare a tobacco residue containing a low amount of carbonized matter.
  • Step 3 25 g of immersion liquid (propylene glycol 47.5 wt %, glycerin 47.5 wt %, water 5 wt %) was added to 5 g of the tobacco residue obtained in step 2, and the temperature of the immersion liquid was adjusted to 60° C. and the residue was allowed to stand.
  • the standing time i.e., the immersion time in the immersion liquid
  • the amount of carbonized components dissolved in the immersion liquid was varied.
  • CRM 81 smoking conditions involve inhaling 55 cc of aerosol over 3 seconds, multiple times every 30 seconds.
  • the amount of total particulate matter trapped in the Cambridge filter of the automatic smoking machine was measured. Based on the measured amount of total particulate matter, the TPM reduction rate ( RTPM ) was calculated using the following formula (1).
  • the TPM reduction rate ( RTPM ) in Figure 4 was measured using the above method.
  • R TPM (%) (1-TPM (201puff ⁇ 250puff) / TPM (1puff ⁇ 50puff)) x 100... (1)
  • TPM Total Particle Molecule
  • TPM (1 puff-50 puff) in formula (1) refers to the amount of total particulate matter captured by the Cambridge filter between the 1st and 50th puffs of an automatic smoking machine.
  • TPM (201 puff-250 puff) in formula (1) refers to the amount of total particulate matter captured by the Cambridge filter between the 201st and 250th puffs of an automatic smoking machine.
  • the TPM reduction rate (R TPM ) in equation (1) is calculated by subtracting from 1 the value obtained by dividing the amount of total particulate matter trapped by the Cambridge filter of the automatic smoking machine between the 201st and 250th puffs by the amount of total particulate matter trapped by the Cambridge filter of the automatic smoking machine between the 1st and 50th puffs, and multiplying this value by 100.
  • the amount of carbonized components contained in 1 g of aerosol liquid is proportional to the TPM reduction rate.
  • the TPM reduction rate can be suppressed to 20% or less.
  • Smoking Articles The material for smoking articles is useful for smoking articles.
  • Smoking articles include combustion-type smoking articles and non-combustion-heating smoking articles, and the material for smoking articles can be used for both.
  • the smoking article can be provided with a wrapper or paper filter of the material for smoking articles.
  • a tobacco extract can be added to the flavor source. It is more preferable that the tobacco extract is derived from the same raw material as the tobacco extract residue contained in the material for smoking articles, since the tobacco raw material can be effectively utilized.
  • non-combustion heated smoking articles there are articles (non-combustion indirectly heated smoking articles) that carry flavor by heating an aerosol source arranged separately from the flavor source to generate vapor or aerosol, which is passed through the flavor source.
  • the pulp molded cup is useful as a cup for holding the flavor source.
  • tobacco extract can be added to the flavor source. It is more preferable if the tobacco extract is derived from the same raw material as the tobacco extract residue contained in the smoking article material, since this allows for effective use of the tobacco raw material.
  • Aspect 1 A material for smoking articles comprising tobacco extract residue obtained by extracting tobacco raw material.
  • Aspect 2 2. The material of embodiment 1, comprising a fibrous reinforcement, binder, or filler.
  • Aspect 3 The material according to claim 1 or 2, wherein the nicotine content of the extraction residue is 1% by weight or less of the nicotine content of the tobacco raw material.
  • Aspect 4 4. The material of any of the preceding claims, wherein the extraction residue has been digested.
  • Aspect 5 Aspect 5. The material of any of aspects 2 to 4, wherein the binder comprises starch.
  • Aspect 6 A wrapper, a paper tube, a filter, or a pulp molded cup formed from the material of any one of claims 1 to 4.
  • Aspect 7 A step of subjecting a tobacco raw material to extraction with a medium to obtain a tobacco extraction residue; and a molding step of molding the tobacco extraction residue.
  • Aspect 9 9. The method of claim 7 or 8, wherein the forming step comprises papermaking or pulp molding.
  • Aspect 10 A smoking article comprising the material of any one of aspects 1 to 5.
  • Aspect 11 The smoking article according to claim 10, further comprising an extract obtained by extracting a tobacco raw material.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

La présente invention concerne un matériau pour un article à fumer contenant un résidu d'extraction de tabac obtenu par extraction d'une matière première de tabac. Le matériau pour un article à fumer contient de préférence un matériau de renforcement fibreux, un liant ou une charge.
PCT/JP2023/030128 2023-08-22 2023-08-22 Matériau pour article à fumer contenant un résidu d'extraction de tabac, procédé de production dudit matériau et article à fumer contenant ledit matériau Pending WO2025041259A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/030128 WO2025041259A1 (fr) 2023-08-22 2023-08-22 Matériau pour article à fumer contenant un résidu d'extraction de tabac, procédé de production dudit matériau et article à fumer contenant ledit matériau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/030128 WO2025041259A1 (fr) 2023-08-22 2023-08-22 Matériau pour article à fumer contenant un résidu d'extraction de tabac, procédé de production dudit matériau et article à fumer contenant ledit matériau

Publications (1)

Publication Number Publication Date
WO2025041259A1 true WO2025041259A1 (fr) 2025-02-27

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PCT/JP2023/030128 Pending WO2025041259A1 (fr) 2023-08-22 2023-08-22 Matériau pour article à fumer contenant un résidu d'extraction de tabac, procédé de production dudit matériau et article à fumer contenant ledit matériau

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103284327A (zh) * 2012-12-29 2013-09-11 广东中烟工业有限责任公司 一种复合竹纤维的烟草纸质滤棒及其制备方法
WO2019229850A1 (fr) * 2018-05-29 2019-12-05 日本たばこ産業株式会社 Papier à rouler pour article à fumer du type à chauffage sans combustion, article à fumer de type à chauffage sans combustion et système à fumer de type à chauffage électrique
WO2020234915A1 (fr) * 2019-05-17 2020-11-26 日本たばこ産業株式会社 Tige a tabac pour inhalateur d'arôme
WO2023053704A1 (fr) * 2021-10-01 2023-04-06 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
WO2023105746A1 (fr) * 2021-12-10 2023-06-15 日本たばこ産業株式会社 Outil d'inhalation et procédé de fabrication d'unité d'atomisation pour outil d'inhalation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103284327A (zh) * 2012-12-29 2013-09-11 广东中烟工业有限责任公司 一种复合竹纤维的烟草纸质滤棒及其制备方法
WO2019229850A1 (fr) * 2018-05-29 2019-12-05 日本たばこ産業株式会社 Papier à rouler pour article à fumer du type à chauffage sans combustion, article à fumer de type à chauffage sans combustion et système à fumer de type à chauffage électrique
WO2020234915A1 (fr) * 2019-05-17 2020-11-26 日本たばこ産業株式会社 Tige a tabac pour inhalateur d'arôme
WO2023053704A1 (fr) * 2021-10-01 2023-04-06 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
WO2023105746A1 (fr) * 2021-12-10 2023-06-15 日本たばこ産業株式会社 Outil d'inhalation et procédé de fabrication d'unité d'atomisation pour outil d'inhalation

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