WO2024024083A1 - 非燃焼加熱型香味吸引器用再生たばこ及びその製造方法、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 - Google Patents
非燃焼加熱型香味吸引器用再生たばこ及びその製造方法、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 Download PDFInfo
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- WO2024024083A1 WO2024024083A1 PCT/JP2022/029285 JP2022029285W WO2024024083A1 WO 2024024083 A1 WO2024024083 A1 WO 2024024083A1 JP 2022029285 W JP2022029285 W JP 2022029285W WO 2024024083 A1 WO2024024083 A1 WO 2024024083A1
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- tobacco
- recycled
- flavor inhaler
- regenerated
- combustion
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Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B5/00—Stripping tobacco; Treatment of stems or ribs
- A24B5/12—Auxiliary devices for stripping
-
- 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
- A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
- A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/22—Treatment of tobacco products or tobacco substitutes by application of electric or wave energy or particle radiation
-
- 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
- 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
- A24B15/241—Extraction of specific substances
- A24B15/243—Nicotine
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B5/00—Stripping tobacco; Treatment of stems or ribs
- A24B5/16—Other treatment of stems or ribs, e.g. bending, chopping, incising
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/20—Cigarettes specially adapted for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
Definitions
- the present invention relates to a regenerated tobacco for use in a non-combustion heating type flavor inhaler, a method for manufacturing the same, a non-combustion heating type flavor inhaler, and a non-combustion heating type flavor inhaler system.
- combustion-type flavor inhalers cigarettes
- flavor is obtained by burning tobacco filler containing leaf tobacco.
- a non-combustion heating type flavor inhaler has been proposed, which obtains flavor by heating the tobacco filling instead of burning it.
- the heating temperature of the non-combustion heating type flavor inhaler is lower than the combustion temperature of the combustion type flavor inhaler, for example, about 400° C. or less.
- an aerosol generating agent such as glycerin is added to the tobacco filling in the non-combustion heating type flavor inhaler from the viewpoint of increasing the amount of smoke.
- the aerosol generator is vaporized by heating and generates an aerosol. Since the aerosol is supplied to the user along with a flavor component such as a tobacco component, the user can obtain a sufficient flavor.
- a non-combustion heated flavor inhaler can be used by heating a tobacco-containing segment filled with tobacco filler, for example, with a heater of a heating device.
- the heating device usually has a battery unit, and the heater is heated by supplying electric power from the battery unit. From the viewpoint of user convenience, when using a non-combustion heated flavor inhaler using a heating device, it is desirable to suppress power consumption and increase the usable time and number of usable flavor inhalers.
- Patent Document 1 discloses that black liquor with a high vanillin content can be obtained by cooking tobacco raw materials under alkaline conditions.
- One way to reduce power consumption without changing the size of the product is to improve the tobacco materials contained in non-combustion heated flavor inhalers, thereby reducing the amount of electricity consumed per non-combustion heated flavor inhaler. It is possible to suppress consumption.
- An object of the present invention is to provide a regenerated cigarette, a non-combustion heating flavor suction device, and a non-combustion heating flavor suction system that can suppress power consumption per non-combustion heating flavor suction device during use. shall be.
- the present invention includes the following embodiments.
- Regenerated tobacco for use in a non-combustion heating flavor inhaler, which includes a tobacco material and a tobacco component,
- the tobacco material has a maximum absorbance of 0.40 or more at a wavelength of 3200 to 3600 cm ⁇ 1 in FT-IR analysis, Regenerated tobacco, wherein the tobacco material has a specific heat of 5 mJ/mg ⁇ °C or less.
- a non-combustion heated flavor inhaler comprising a tobacco-containing segment filled with the recycled tobacco according to any one of [1] to [7].
- [10] The method for producing recycled tobacco according to any one of [1] to [7], a step of extracting tobacco components from tobacco raw materials to obtain tobacco extract and tobacco residue; After subjecting the tobacco residue to alkaline cooking treatment, adjusting the pH to 4.0 to 6.5; Sprinkling the tobacco extract back onto the tobacco residue after pH adjustment; including methods.
- the present invention it is possible to provide a recycled tobacco, a non-combustion heating flavor suction device, and a non-combustion heating flavor suction system that can suppress power consumption per non-combustion heating flavor suction device during use. Can be done.
- FIG. 3 is a cross-sectional view showing a state in which the device is inserted into the device and heated.
- 2 is a graph showing the amount of nicotine delivered in each puff in Example 1, Comparative Example 1, and Comparative Example 3.
- 2 is a graph showing the amount of glycerin delivered in each puff in Example 1, Comparative Example 1, and Comparative Example 3.
- 2 is a graph showing the nicotine transfer rate to mainstream smoke per power consumption (energy) with respect to the specific heat of the base material of recycled cigarettes in Example 1, Comparative Example 1, and Comparative Example 3.
- the regenerated tobacco according to the present embodiment is a regenerated tobacco for use in a non-combustion heating type flavor inhaler that includes a tobacco material and a tobacco component.
- the tobacco material has a maximum absorbance of 0.40 or more at a wavelength of 3200 to 3600 cm ⁇ 1 as determined by FT-IR analysis.
- the specific heat of the tobacco material is 5 mJ/mg ⁇ °C or less.
- the present inventors have found that by using a tobacco material with a low specific heat as the tobacco material contained in a non-combustion heated flavor inhaler, the heating efficiency is improved, and as a result, the We thought that it would be possible to suppress power consumption.
- the present inventors have found that tobacco materials with a maximum absorbance of 0.40 or more at a wavelength of 3200 to 3600 cm -1 in FT-IR analysis and a specific heat of 5 mJ/mg ⁇ °C or less, and tobacco It has been found that by using recycled tobacco containing these ingredients as the tobacco material for a non-combustion heating flavor inhaler, it is possible to suppress the power consumption per non-combustion heating flavor inhaler.
- absorption at wavelengths of 3200 to 3600 cm ⁇ 1 is derived from stretching vibrations of hydroxyl groups.
- the amount of hydroxyl groups in the resulting tobacco material increases, and the maximum absorbance can be increased.
- the increase in maximum absorbance is not derived from free OH but from hydroxyl groups covalently bonded to the tobacco material.
- regenerated tobacco refers to tobacco materials that are reconstituted by mixing tobacco components and other materials.
- the recycled tobacco according to the present embodiment can contain, for example, a binder, a fiber material, an aerosol generator, etc. in addition to the tobacco material and tobacco components.
- the tobacco material according to this embodiment has a maximum absorbance of 0.40 or more at a wavelength of 3200 to 3600 cm ⁇ 1 in FT-IR analysis.
- the maximum absorbance at the wavelength of 3200 to 3600 cm ⁇ 1 is preferably 0.42 or more, more preferably 0.45 or more.
- the upper limit of the range of maximum absorbance at wavelengths of 3200 to 3600 cm ⁇ 1 is not particularly limited, but may be, for example, 1.0 or less.
- FT-IR analysis of tobacco materials can be performed by the following method.
- a sample of tobacco material is brought into close contact with a diamond crystal for ATR measurement, and an infrared absorption spectrum is measured.
- a Fourier transform infrared spectrometer (trade name: Thermo Scientific Nicolet iS50, manufactured by Thermo Scientific) can be used.
- a method for making the maximum absorbance of the tobacco material 0.40 or more for example, a method of subjecting the tobacco raw material to an alkaline cooking treatment and then neutralizing it can be mentioned.
- tobacco raw materials include leaf tobacco, tobacco leaf veins, stems, roots, and flowers, which may be shredded or powdered.
- the type of leaf tobacco is not particularly limited, and any variety can be used, but examples include yellow tobacco, burley tobacco, native tobacco, orient leaf, and fermented leaves thereof.
- One type of these tobacco raw materials may be used, or two or more types may be used in combination.
- the tobacco raw material to be subjected to the alkaline cooking treatment is preferably tobacco residue after extracting a tobacco extract containing tobacco components from the tobacco raw material.
- the obtained tobacco extract can be used as a tobacco component of recycled tobacco.
- the alkali cooking treatment and neutralization method include the alkali cooking treatment and neutralization method in the method for producing recycled tobacco according to the present embodiment, which will be described later.
- the specific heat of the tobacco material is 5 mJ/mg ⁇ °C or less.
- the specific heat is preferably 4 mJ/mg ⁇ °C or less, more preferably 3 mJ/mg ⁇ °C or less, and even more preferably 2 mJ/mg ⁇ °C or less.
- the specific heat of the tobacco material can be reduced to 5 mJ/mg ⁇ ° C. or less by, for example, setting the maximum absorbance at a wavelength of 3200 to 3600 cm ⁇ 1 to 0.40 or more in FT-IR analysis.
- the specific heat of the tobacco material is indicated by the maximum specific heat capacity (mJ/mg ⁇ ° C.) up to 300° C., measured by DSC (differential scanning calorimetry). For example, it can be measured using a differential scanning calorimeter (trade name: DSC7020, manufactured by Hitachi High-Tech Science Co., Ltd.) under the following conditions. Temperature increase rate: 10° C./min, holding time: 2 minutes, pan: Al, sample mass: 10 mg, reference: Al 2 O 3 .
- the amount of water absorbed when the tobacco material is immersed in water at 23° C. for 900 seconds is preferably 4.0 to 6.0 g/g.
- the water absorption amount is more preferably 4.2 to 5.8 g/g, and even more preferably 4.5 to 5.5 g/g.
- the water absorption amount of the tobacco material can be measured by the following method.
- a cylindrical container with 19 holes of 1 mm diameter in a stainless steel tube of ⁇ 55 ⁇ 80 mm is prepared.
- a filter paper is placed in the cylindrical container, and 3 to 6 g of the tobacco material sample is placed thereon.
- Fill a vat with tap water place the cylindrical container in the vat, measure the mass after 900 seconds, and measure the amount of water absorbed per 1 g. This measurement is carried out three times, and the average value is taken as the water absorption amount.
- the angle of repose of the tobacco material is preferably 40° or less. When the angle of repose is 40° or less, it becomes easier to input the raw material when inputting the raw material in the production of recycled tobacco, which is preferable in terms of production.
- the angle of repose is more preferably 10 to 40°, and even more preferably 20 to 30°.
- the angle of repose of tobacco materials can be measured by the following method. A sample of tobacco material was dropped using a funnel from 4 cm above a 25 mm x 25 mm measuring table (peak material). Once the sample is dropped from the measuring table to the extent that it spills, a photograph is taken and the angle is measured using image analysis software (Keyence Microscope). This measurement is carried out three times, and the average value is taken as the value of the angle of repose.
- the amount of tobacco material contained in the recycled tobacco is preferably 20 to 80% by mass, more preferably 20 to 65% by mass, and 30 to 50% by mass when the mass of the recycled tobacco is 100% by mass. % is more preferable.
- the tobacco component is a tobacco-derived component contained in the tobacco raw material, and main components include components that contribute to aroma and taste.
- the recycled tobacco according to the present embodiment may contain the tobacco component alone, it is preferably contained as a tobacco extract obtained by extracting the tobacco component from the tobacco raw material.
- the tobacco residue after extracting the tobacco extract can be used as a raw material for tobacco materials, which reduces environmental impact and is also advantageous in terms of cost.
- the amount of tobacco components contained in the recycled tobacco can be appropriately set depending on the desired flavor.
- the recycled tobacco according to this embodiment preferably contains a binder. Since the recycled tobacco contains a binder, each raw material can be bonded together, and the recycled tobacco can be suitably molded into a desired shape.
- the type of binder is not particularly limited, but examples include guar gum, xanthan gum, CMC (carboxymethylcellulose), CMC-Na (sodium salt of carboxymethylcellulose), waxy corn starch, and potato. These may be used alone or in combination of two or more.
- the amount of binder contained in the recycled tobacco is preferably 1 to 10% by mass, more preferably 3 to 6% by mass, when the mass of the recycled tobacco is 100% by mass.
- the recycled tobacco according to this embodiment preferably contains a fiber material. Since the recycled tobacco contains the fiber material, the recycled tobacco can be easily formed and its shape can be maintained.
- the type of fiber material is not particularly limited, an example thereof is pulp.
- As the pulp in addition to wood pulp such as softwood pulp and hardwood pulp, non-wood pulps such as flax pulp, sisal pulp, and espart, which are generally used for wrapping paper for tobacco products, may be used in combination.
- the amount of fiber material contained in the recycled tobacco is preferably 1 to 15% by mass, more preferably 3 to 10% by mass, when the mass of the recycled tobacco is 100% by mass.
- the recycled tobacco according to this embodiment can contain an aerosol generator.
- the aerosol generator refers to a material that generates an aerosol by being heated and then cooled.
- Examples of the aerosol generator include polyhydric alcohols such as glycerin, propylene glycol, sorbitol, xylitol, and erythritol, triacetin, and 1,3-butanediol. These may be used alone or in combination of two or more.
- the amount of the aerosol generating agent contained in the recycled tobacco is preferably 5 to 40% by mass, more preferably 10 to 25% by mass, when the mass of the recycled tobacco is 100% by mass.
- the regenerated tobacco according to the present embodiment can contain other materials such as a flavoring agent.
- the type of flavoring agent is not particularly limited, and from the viewpoint of imparting good flavor, menthol is particularly preferred.
- one type of fragrance may be used alone, or two or more types may be used in combination.
- the amount of other materials contained in the recycled tobacco is preferably 10% by mass or less, more preferably 5% by mass or less, when the mass of the recycled tobacco is 100% by mass.
- the recycled tobacco according to this embodiment does not need to contain any other materials.
- the recycled tobacco according to the present embodiment is preferably a sheet-shaped recycled tobacco, or a sheet-shaped recycled tobacco obtained by cutting the sheet-shaped recycled tobacco. Because recycled tobacco is in sheet form, each component such as tobacco material, tobacco components, binder, and aerosol generator can be homogenized, and when heated, the aerosol generator and flavor components are efficiently heated and atomized. be able to. Further, by cutting the sheet into pieces, it is possible to obtain manufacturing suitability such as increased efficiency during winding.
- the recycled tobacco is in the form of a sheet, the length and width of the sheet are not particularly limited and can be adjusted as appropriate depending on the manner of filling.
- the width of the cut sheets can be 0.4 to 1.5 mm, and the length of the cut sheets can be 5 to 15 mm, for example.
- the thickness of the sheet or sheet cut is preferably 50 to 800 ⁇ m, more preferably 100 to 600 ⁇ m, in view of the balance between heat transfer efficiency and strength.
- the recycled tobacco according to this embodiment may be a nonwoven tobacco sheet (laminate sheet).
- a laminate sheet is obtained by sandwiching a mixture containing a tobacco material, a tobacco component, and a binder between nonwoven fabrics, and molding the resulting laminate into a certain shape by heat welding.
- the method for producing recycled tobacco according to this embodiment includes the following steps. Step of extracting tobacco components from tobacco raw materials to obtain tobacco extract and tobacco residue (hereinafter also referred to as “extraction step”); After subjecting the tobacco residue to an alkali cooking treatment, the pH is adjusted to 4.0 to 6.5. (hereinafter also referred to as “alkaline cooking treatment step”); step of applying the tobacco extract back onto the tobacco residue after pH adjustment (hereinafter also referred to as "returning step”).
- the recycled tobacco according to the present embodiment can be manufactured simply and efficiently. Moreover, environmental load and costs can be reduced.
- the method according to the present embodiment may include other steps, such as a molding step, in addition to the extraction step, the alkali cooking treatment step, and the feeding back step.
- tobacco components are extracted from tobacco raw materials to obtain tobacco extract and tobacco residue.
- the method for extracting tobacco components from tobacco raw materials is not particularly limited, but for example, tobacco components can be extracted by immersing tobacco raw materials in a solvent. Alternatively, tobacco components may be volatilized from the tobacco raw material by heating the tobacco raw material, and the vapor may be recovered.
- the solvent When tobacco components are extracted by immersing tobacco raw materials in a solvent, examples of the solvent include water, alcohol such as ethanol, and ethyl acetate.
- the extraction temperature and extraction time depend on the extraction solvent, but can be, for example, 10 to 60°C for 1 to 3 hours.
- the heating temperature of the tobacco materials can be, for example, 150 to 300°C.
- the steam recovery method is not particularly limited, but for example, the generated steam may be cooled and recovered, or the generated vapor may be passed through a solvent such as distilled water, ethanol, hexane, 2-propanol, 1-propanol, propylene glycol, or glycerin. Examples include methods such as collecting the product in the solvent, collecting the product using an adsorbent, column, filter, etc., and then eluting it.
- Alkali cooking process In this step, the tobacco residue obtained in the extraction step is subjected to an alkali cooking treatment, and then the pH is adjusted to 4.0 to 6.5.
- Alkaline cooking treatment refers to adding an alkaline substance to raw materials and heat-treating them. Alkaline cooking treatments include the kraft pulp method using a mixture of sodium hydroxide and sodium sulfate, the soda pulp method using an aqueous sodium hydroxide solution, the acid sulfite method using bisulfite and sulfur dioxide gas, etc. Examples include the neutral sulfite method using sodium and bisulfite.
- the alkaline substance is not particularly limited, but alkali metal hydroxides are preferred, such as sodium hydroxide.
- the alkaline substance may be added as an aqueous solution of the alkaline substance.
- an alkaline substance is added as an aqueous solution (chemical solution) of an alkaline substance
- the amount of the chemical solution added depends on the pH of the chemical solution, but for example, the ratio of tobacco residue (g) to the chemical solution (mL) is 1:2 to 2.
- the ratio is preferably 1:100, more preferably 1:3 to 1:100, even more preferably 1:3 to 1:50, even more preferably 1:5 to 1:50. , 1:10 to 1:50 is particularly preferred.
- Alkaline cooking treatment is generally performed at 120 to 180°C. In this embodiment as well, it is possible to carry out the reaction at the above-mentioned general temperature, but the temperature is preferably 130 to 230°C, more preferably 150 to 180°C. Further, the treatment time of the alkaline cooking treatment is not particularly limited as long as it is a time that allows the tobacco residue to be sufficiently digested. Although it varies depending on the pH of the chemical solution used, etc., for example, it is preferably from 5 minutes to 6 hours, more preferably from 30 minutes to 6 hours, and even more preferably from 1 hour to 6 hours.
- the pH of the tobacco residue is adjusted to 4.0 to 6.5.
- the pH can be adjusted using a pH adjuster such as citric acid, hydrochloric acid, sulfuric acid, or nitric acid.
- the pH is preferably 4.5 to 6.0, more preferably 5.0 to 6.0.
- the pH of tobacco residue can be measured by the following method. Add 10 mL of ultrapure water to 1 g of tobacco residue sample, and shake at 200 rpm for 10 minutes. The pH of the obtained liquid is measured with a tabletop pH meter (trade name: SS211, manufactured by HORIBA).
- the tobacco extract liquid is poured back onto the tobacco residue after pH adjustment.
- the tobacco components previously removed from the tobacco raw material are returned to tobacco residue.
- Regenerated tobacco with a low specific heat can be obtained by using tobacco residue with a low specific heat as a base material and returning tobacco components to the base material.
- the method of applying the tobacco extract back onto the tobacco residue is not particularly limited.
- the tobacco residue can be recombined by adding and mixing a tobacco extract to the tobacco residue and allowing the tobacco extract to soak into the tobacco residue. After recoating, the tobacco residue containing the tobacco extract may be dried.
- the obtained recycled tobacco may be formed into a sheet shape, shredded sheet shape, or the like.
- a known method such as a papermaking method, a casting method, or a rolling method.
- a rolling method such as a papermaking method, a casting method, or a rolling method.
- cutting recycled tobacco that has been formed into a sheet it can be formed into a shredded sheet.
- the non-combustion heated flavor inhaler according to the present embodiment includes a tobacco-containing segment filled with the recycled tobacco according to the present embodiment. Since the non-combustion heated flavor inhaler according to the present embodiment includes the tobacco-containing segment filled with the recycled tobacco according to the present embodiment, when heating the tobacco-containing segment, the temperature of the tobacco-containing segment can be increased with less electric power. can be raised. Therefore, the power consumption per non-combustion heated flavor inhaler can be suppressed.
- FIG. 1 shows an example of the non-combustion heating type flavor inhaler according to this embodiment.
- a non-combustion heated flavor inhaler 1 shown in FIG. 1 includes a tobacco-containing segment 2 filled with recycled tobacco according to the present embodiment, a cylindrical cooling segment 3 having perforations 8 on the circumference, and a center hole segment. 4 and a filter segment 5.
- the non-combustion heated flavor inhaler according to the present embodiment may have other segments in addition to the tobacco-containing segment, the cooling segment, the center hole segment, and the filter segment.
- the axial length of the non-combustion heated flavor inhaler according to this embodiment is not particularly limited, but is preferably 40 mm or more and 90 mm or less, more preferably 50 mm or more and 75 mm or less, 50 mm or more, More preferably, it is 60 mm or less.
- the circumferential length of the non-combustion heating type flavor inhaler is preferably 16 mm or more and 25 mm or less, more preferably 20 mm or more and 24 mm or less, and even more preferably 21 mm or more and 23 mm or less.
- the tobacco-containing segment has a length of 20 mm
- the cooling segment has a length of 20 mm
- the center hole segment has a length of 8 mm
- the filter segment has a length of 7 mm.
- the length of the filter segment can be selected within the range of 4 mm or more and 10 mm or less.
- the ventilation resistance of the filter segment at this time can be selected to be 15 mmH 2 O/seg or more and 60 mmH 2 O/seg or less per segment.
- recycled tobacco In the tobacco-containing segment 2, recycled tobacco according to the present embodiment is filled in a wrapping paper (hereinafter also referred to as a wrapper).
- the method of filling the recycled tobacco into the paper is not particularly limited, but for example, the recycled tobacco may be wrapped in a wrapper, or the recycled tobacco may be filled in a cylindrical wrapper.
- the shape of the recycled tobacco has a longitudinal direction such as a rectangular shape, the recycled tobacco may be packed so that the longitudinal direction is in an unspecified direction within the wrapper, and the recycled tobacco may be packed in the axial direction of the tobacco-containing segment 2 or They may be packed in alignment in a direction perpendicular to the axial direction.
- the cooling segment 3 may include a cylindrical member 7.
- the cylindrical member 7 may be, for example, a paper tube made of cardboard processed into a cylindrical shape.
- the cylindrical member 7 and the mouthpiece lining paper 12, which will be described later, are provided with perforations 8 that pass through them both. Due to the presence of the perforations 8, outside air is introduced into the cooling segment 3 during suction. As a result, the vaporized aerosol component generated by heating the tobacco-containing segment 2 comes into contact with the outside air, and as its temperature decreases, it liquefies and forms an aerosol.
- the diameter (cross-length) of the perforation 8 is not particularly limited, but may be, for example, 0.5 mm or more and 1.5 mm or less.
- the number of perforations 8 is not particularly limited, and may be one or two or more. For example, a plurality of perforations 8 may be provided around the circumference of the cooling segment 3.
- the amount of outside air introduced through the perforations 8 is preferably 85% by volume or less, more preferably 80% by volume or less, based on the volume of the entire gas sucked by the user.
- the ratio of the amount of outside air is 85% by volume or less, reduction in flavor due to dilution by outside air can be sufficiently suppressed.
- this is also called the ventilation ratio in another way.
- the lower limit of the ventilation ratio range is preferably 55% by volume or more, more preferably 60% by volume or more.
- the cooling segment may also be a segment comprising a sheet of suitable construction material that is crimped, pleated, gathered, or folded.
- the cross-sectional profile of such elements may exhibit randomly oriented channels.
- the cooling segment may also include a bundle of longitudinally extending tubes.
- Such cooling segments may be formed, for example, from pleated, gathered, or folded sheet material wrapped in a paper wrapper.
- the axial length of the cooling segment can be, for example, 7 mm or more and 28 mm or less, and can be, for example, 18 mm.
- the cooling segment may also be substantially circular in its axial cross-sectional shape, and its diameter may be, for example, greater than or equal to 5 mm and less than or equal to 10 mm, such as about 7 mm.
- the center hole segment is composed of a filling layer having one or more hollow portions and an inner plug wrapper covering the filling layer.
- the center hole segment 4 includes a first filling layer 9 having a hollow portion and a first inner plug wrapper 10 covering the first filling layer 9.
- the center hole segment 4 has the function of increasing the strength of the mouthpiece segment 6.
- the first packed layer 9 has an inner diameter of 1.0 mm, for example, filled with cellulose acetate fibers at high density and hardened by adding a plasticizer containing triacetin from 6% by mass to 20% by mass based on the mass of cellulose acetate.
- the rod can have a diameter of 5.0 mm or less.
- the first packed layer 9 has a high packing density of fibers, during suction, air and aerosol flow only through the hollow portion, and hardly flow inside the first packed layer 9. Since the first filling layer 9 inside the center hole segment 4 is a fiber filling layer, the feel of the device from the outside during use is less likely to cause discomfort to the user. Note that the center hole segment 4 may not have the first inner plug wrapper 10 and its shape may be maintained by thermoforming.
- the structure of the filter segment 5 is not particularly limited, but may be composed of a single or plural filling layers. The outside of the packed layer may be wrapped with one or more wrapping papers.
- the ventilation resistance per segment of the filter segment 5 can be changed as appropriate depending on the amount of filler filled in the filter segment 5, the material, etc. For example, if the filling is cellulose acetate fibers, increasing the amount of cellulose acetate fibers filled into the filter segment 5 can increase the ventilation resistance. When the filling is cellulose acetate fibers, the packing density of the cellulose acetate fibers can be 0.13-0.18 g/cm 3 .
- the ventilation resistance is a value measured by a ventilation resistance measuring device (trade name: SODIMAX, manufactured by SODIM).
- the circumferential length of the filter segment 5 is not particularly limited, but is preferably 16 to 25 mm, more preferably 20 to 24 mm, and even more preferably 21 to 23 mm.
- the length of the filter segment 5 in the axial direction can be selected from 4 to 10 mm, and is selected so that its ventilation resistance is 15 to 60 mmH 2 O/seg.
- the length of the filter segment 5 in the axial direction is preferably 5 to 9 mm, more preferably 6 to 8 mm.
- the cross-sectional shape of the filter segment 5 is not particularly limited, but may be, for example, circular, elliptical, polygonal, or the like. Further, a rupturable capsule containing a fragrance, fragrance beads, or a fragrance may be directly added to the filter segment 5.
- the center hole segment 4 and the filter segment 5 can be connected with an outer plug wrapper (outer wrapping paper) 11.
- the outer plug wrapper 11 can be, for example, cylindrical paper.
- the tobacco-containing segment 2, the cooling segment 3, and the connected center hole segment 4 and filter segment 5 can be connected by a mouthpiece lining paper 12. These connections can be made, for example, by applying glue such as vinyl acetate glue to the inner surface of the mouthpiece lining paper 12, inserting the three segments, and winding the paper. Note that these segments may be connected multiple times using multiple lining papers.
- the non-combustion heating type flavor inhaler system according to the present embodiment includes the non-combustion heating type flavor inhaler according to the present embodiment, and a heating device that heats the tobacco-containing segment of the non-combustion heating type flavor inhaler. Since the non-combustion heated flavor suction system according to the present embodiment includes the non-combustion heated flavor suction device according to the present embodiment, it is possible to suppress power consumption per non-combustion heated flavor suction device. .
- the non-combustion heating type flavor suction system according to this embodiment may have other configurations in addition to the non-combustion heating type flavor inhaler and the heating device according to this embodiment.
- the non-combustion heated flavor suction system shown in FIG. 2 includes a non-combustion heated flavor suction device 1 according to the present embodiment, and a heating device 13 that heats the tobacco-containing segment of the non-combustion heated flavor suction device 1 from the outside. Equipped with.
- FIG. 2(a) shows the state before the non-combustion heating type flavor inhaler 1 is inserted into the heating device 13
- FIG. 2(b) shows the state before the non-combustion heating type flavor inhaler 1 is inserted into the heating device 13 and heated.
- the heating device 13 shown in FIG. 2 includes a body 14, a heater 15, a metal tube 16, a battery unit 17, and a control unit 18.
- the body 14 has a cylindrical recess 19, and a heater 15 and a metal tube are placed on the inner side surface of the recess 19 at a position corresponding to the tobacco-containing segment of the non-combustion heated flavor inhaler 1 inserted into the recess 19. 16 are arranged.
- the heater 15 can be an electric resistance heater, and electric power is supplied from the battery unit 17 according to instructions from a control unit 18 that performs temperature control, and the heater 15 is heated. Heat emitted from the heater 15 is transferred to the tobacco-containing segment of the non-combustion heated flavor inhaler 1 through a metal tube 16 with high thermal conductivity.
- FIG. 2(b) since it is schematically illustrated, there is a gap between the outer periphery of the non-combustion heating type flavor inhaler 1 and the inner periphery of the metal tube 16, but in reality, heat can be efficiently dissipated.
- the heating device 13 heats the tobacco-containing segment of the non-combustion heating flavor inhaler 1 from the outside, it may also heat the tobacco-containing segment from the inside.
- the heating temperature by the heating device is not particularly limited, but is preferably 400°C or less, more preferably 150°C or more and 400°C or less, and even more preferably 200°C or more and 350°C or less. Note that the heating temperature refers to the temperature of the heater of the heating device.
- the water absorption amount of the tobacco material was measured by the following method.
- a cylindrical container with 19 holes of 1 mm in diameter was prepared in a stainless steel tube of ⁇ 55 ⁇ 80 mm.
- a filter paper was placed in the cylindrical container, and 3 to 6 g of the tobacco material sample was placed thereon.
- a vat was filled with tap water, the cylindrical container was placed in the vat, and the mass was measured after 900 seconds to measure the amount of water absorbed per 1 g. The measurement was carried out three times, and the average value was taken as the amount of water absorbed at each time.
- the angle of repose of tobacco materials was measured by the following method. A sample of tobacco material was dropped using a funnel from 4 cm above a 25 mm x 25 mm measuring table (peak material). When the sample was dropped from the measuring table to the extent that it spilled, a photograph was taken and the angle was measured using image analysis software (Keyence Microscope). This measurement was carried out three times, and the average value was taken as the value of the angle of repose.
- the specific heat of the tobacco material As the specific heat of the tobacco material, the maximum specific heat capacity (mJ/mg ⁇ °C) up to 300°C was measured by DSC (differential scanning calorimetry). Specifically, the measurement was performed using a differential scanning calorimeter (trade name: DSC7020, manufactured by Hitachi High-Tech Science Co., Ltd.) under the following conditions. Temperature increase rate: 10° C./min, holding time: 2 minutes, pan: Al, sample mass: 10 mg, reference: Al 2 O 3 .
- Example 1 (Preparation of recycled tobacco) Yellow leaves were prepared as tobacco raw material. Water in an amount 12 times the mass of the raw material was added to the tobacco raw material, and the mixture was stirred at 50° C. and 300 rpm for 1 hour. Thereafter, the extract was collected by hand squeezing. Thereby, tobacco components were extracted from the tobacco raw material, and tobacco extract and tobacco residue were obtained. Next, 100 g/L of a 2 mol/L aqueous sodium hydroxide solution was added to the tobacco residue and heated at 180° C. for 3 hours. Thereafter, citric acid was added to adjust the pH to 5.6 to obtain a tobacco material. Regarding the tobacco material, the maximum absorbance at a wavelength of 3200 to 3600 cm -1 in FT-IR analysis, water absorption, angle of repose, and specific heat were measured, and stickiness was evaluated using the above method. The results are shown in Table 1.
- the tobacco extract was poured back onto the tobacco material.
- 100 parts by mass of tobacco material on which tobacco extract has been applied 3.7 parts by mass of guar gum as a binder, 3.7 parts by mass of softwood pulp as a fiber material, and 14 parts of glycerin as an aerosol generator. 6 parts by mass were mixed and formed into a sheet by a casting method.
- a sheet-shaped recycled tobacco was prepared. The thickness of the recycled tobacco was 428 ⁇ m, the density was 0.67 mg WB/mm 3 , the basis weight was 285 g WB/m 2 , the glycerin content was 12.7 mass % WB, and the water content was 12.1 mass % WB.
- the sheet-shaped recycled tobacco was filled into the tobacco-containing segment 2 of the non-combustion heating type flavor inhaler 1 shown in FIG. 1 to obtain a non-combustion heating type flavor inhaler.
- a heating test was conducted on the non-combustion heated flavor inhaler, and the amount of nicotine delivered and the amount of glycerin delivered were measured.
- the non-combustion heating type flavor inhaler 1 was inserted into the heating device 13 shown in FIG. 2, and the tobacco-containing segment was heated to 200°C. After preheating for 30 seconds, the amount of nicotine and glycerin contained in the inhaled mainstream smoke was measured by inhaling from the mouthpiece of the non-combustion heating type flavor inhaler 1.
- a suction machine (trade name: RM-20, manufactured by Borgwaldt) was used for suction. Suction (puffing) was performed once every 30 seconds with 55 ml for 2 seconds, a total of 10 times, and the amount of nicotine and glycerin was measured for each puff. The nicotine amount and glycerin amount were measured using GC-FID. The amount of nicotine delivered in each puff is shown in FIG. 3, and the amount of glycerin delivered in each puff is shown in FIG. 4. Furthermore, Table 1 shows the nicotine transfer rate to mainstream smoke per unit of power consumption (energy). However, nicotine and glycerin are shown as indicators of components from among a plurality of components contained in the recycled tobacco in this embodiment, and nicotine and glycerin are not particularly easily delivered.
- the tobacco extract was poured back onto the carbonized tobacco.
- 100 parts by mass of carbonized tobacco on which tobacco extract has been applied 3.7 parts by mass of guar gum as a binder, 3.7 parts by mass of softwood pulp as a fiber material, and 14 parts of glycerin as an aerosol generator. 6 parts by mass were mixed and molded into a sheet by a casting method.
- a sheet-shaped recycled tobacco was prepared.
- a non-combustion heated flavor inhaler was produced using the recycled tobacco in the same manner as in Example 1, and evaluated. The results are shown in FIG. 3, FIG. 4, and Table 1.
- Example 2 The tobacco extract obtained in Example 1 was added to activated carbon (trade name: Kuraray Coal, manufactured by Kuraray Co., Ltd.). A sheet-shaped regenerated tobacco was prepared in the same manner as in Example 1, except that the activated carbon was used in place of the tobacco residue on which the tobacco extract had been applied. Table 1 shows the measurement results of the specific heat and water absorption of the activated carbon itself, and the evaluation results of stickiness.
- activated carbon trade name: Kuraray Coal, manufactured by Kuraray Co., Ltd.
- Example 3 A tobacco extract and tobacco residue were obtained in the same manner as in Example 1. Thereafter, the tobacco extract was poured back onto the tobacco residue without subjecting the tobacco residue to an alkali cooking treatment. Other than that, a sheet-shaped recycled tobacco was prepared and evaluated in the same manner as in Example 1. Table 1 shows the measurement results of each physical property of the tobacco residue itself. Furthermore, the evaluation results of the non-combustion heating type flavor inhaler are shown in FIGS. 3, 4, and Table 1.
- the tobacco material is based on FT-IR analysis which shows a maximum absorbance of 0.40 or more at a wavelength of 3200 to 3600 cm -1 and a specific heat of 5 mJ/mg ⁇ °C or less.
- Example 1 in which regenerated tobacco was prepared using the regenerated tobacco, it was found in the evaluation of the non-combustion heated flavor inhaler containing the regenerated tobacco that the amount of nicotine and glycerin delivered was particularly large when the number of puffs increased. Additionally, the rate of nicotine transfer to mainstream smoke per unit of power consumption (energy) was also high (Table 1).
- Example 1 which shows the nicotine transfer rate to mainstream smoke per power consumption (energy) with respect to the specific heat of the base material of recycled cigarettes, in Example 1, the maximum It can be understood that by having an absorbance of 0.40 or more and a specific heat of 5 mJ/mg ⁇ ° C. or less, the nicotine transfer rate to mainstream smoke per unit of power consumption (energy) was improved. Further, from Table 1, it was found that the base material of Example 1 had a lower angle of repose than the base materials of Comparative Examples 1 and 3, making it easier to input the raw material at the time of inputting the raw material, and having excellent manufacturing suitability.
- Example 1 exhibited water absorption equivalent to that of the base materials of Comparative Examples 1 and 3, and the evaluation of stickiness was equivalent to that of the base materials of Comparative Examples 1 and 3. From this, it was found that there was no major change in the stickiness of the base material even if the alkali cooking treatment was performed, and the handling property was similarly excellent, and the raw material was easy to input.
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Abstract
Description
前記たばこ材料はFT-IR分析にて波長3200~3600cm-1の最大吸光度が0.40以上であり、
前記たばこ材料の比熱が5mJ/mg・℃以下である、再生たばこ。
前記たばこ含有セグメントを加熱する加熱装置と、
を備える非燃焼加熱型香味吸引システム。
たばこ原料からたばこ成分を抽出して、たばこ抽出液とたばこ残渣を得る工程と、
前記たばこ残渣をアルカリ蒸解処理した後、pHを4.0~6.5に調整する工程と、
pH調整後の前記たばこ残渣に前記たばこ抽出液をかけ戻す工程と、
を含む、方法。
本実施形態に係るたばこ材料は、FT-IR分析にて波長3200~3600cm-1の最大吸光度が0.40以上である。水酸基の伸縮振動に由来する、波長3200~3600cm-1の範囲の最大吸光度が0.40以上であることにより、たばこ材料の比熱を低減でき、再生たばこ全体の比熱を低減できるため、非燃焼加熱型香味吸引器1本あたりの電力消費量を抑制することができる。前記波長3200~3600cm-1の最大吸光度は0.42以上であることが好ましく、0.45以上であることがより好ましい。前記波長3200~3600cm-1の最大吸光度の範囲の上限は特に限定されないが、例えば1.0以下であることができる。
たばこ成分は、前記たばこ原料に含まれるたばこ由来の成分であり、主な成分としては香喫味に寄与する成分が挙げられる。本実施形態に係る再生たばこは、たばこ成分を単体として含んでもよいが、たばこ原料からたばこ成分を抽出して得られるたばこ抽出液として含むことが好ましい。この場合、たばこ抽出液を抽出した後のたばこ残渣は、たばこ材料の原料として使用することができるため、環境負荷を低減でき、またコスト面でも有利である。再生たばこに含まれるたばこ成分の量は、目的とする香味に応じて適宜設定することができる。
本実施形態に係る再生たばこは、バインダを含むことが好ましい。再生たばこがバインダを含むことで、各原料を結合することができ、所望の形状に好適に成形することができる。バインダの種類は特に限定されないが、例えばグアーガム、キサンタンガム、CMC(カルボキシメチルセルロース)、CMC-Na(カルボキシメチルセルロースのナトリウム塩)、ワキシーコーンスターチ、馬鈴薯等が挙げられる。これらは一種を用いてもよく、二種以上を併用してもよい。再生たばこに含まれるバインダの量は、再生たばこの質量を100質量%とするとき、1~10質量%であることが好ましく、3~6質量%であることがより好ましい。
本実施形態に係る再生たばこは、繊維材料を含むことが好ましい。再生たばこが繊維材料を含むことで、再生たばこを成形する際に形成しやすく、またその形状を維持することができる。繊維材料の種類は特に限定されないが、例えばパルプが挙げられる。パルプとしては、針葉樹パルプや広葉樹パルプ等の木材パルプ以外にも、亜麻パルプ、サイザル麻パルプ、エスパルトなど一般的にたばこ製品用の巻紙に使用される非木材パルプを併用してもよい。再生たばこに含まれる繊維材料の量は、再生たばこの質量を100質量%とするとき、1~15質量%であることが好ましく、3~10質量%であることがより好ましい。
本実施形態に係る再生たばこは、エアロゾル発生剤を含むことができる。エアロゾル発生剤とは、加熱後、冷却されることによりエアロゾルを生成する材料を示す。エアロゾル発生剤としては、例えばグリセリン、プロピレングリコール、ソルビトール、キシリトール、エリスリトール等の多価アルコール、トリアセチン、1,3-ブタンジオール等が挙げられる。これらは一種を用いてもよく、二種以上を併用してもよい。再生たばこに含まれるエアロゾル発生剤の量は、再生たばこの質量を100質量%とするとき、5~40質量%であることが好ましく、10~25質量%であることがより好ましい。
本実施形態に係る再生たばこは、前記たばこ材料、前記たばこ成分、前記バインダ、前記繊維材料、前記エアロゾル発生剤以外にも、例えば香料等のその他材料を含むことができる。香料の種類は、特に限定されず、良好な香味の付与の観点から、特に好ましくはメンソールである。また、香料は1種を単独で用いても良いし、2種以上を併用しても良い。再生たばこに含まれるその他材料の量は、再生たばこの質量を100質量%とするとき、10質量%以下であることが好ましく、5質量%以下であることがより好ましい。本実施形態に係る再生たばこは、その他材料を含まなくてもよい。
本実施形態に係る再生たばこは、シート状の再生たばこ、又は該シート状の再生たばこを裁断したシート刻状の再生たばこであることが好ましい。再生たばこがシート状であることにより、たばこ材料、たばこ成分、バインダ、エアロゾル発生剤等の各成分を均質化することができ、加熱時に効率的にエアロゾル発生剤や香味成分を加熱し霧化することができる。また、シート刻みにすることによって巻き上げ時の効率化などの製造適正を得ることができる。再生たばこがシート状である場合、シートの長さ及び幅は、特段制限されることはなく、充填する態様に合わせて適宜調整できる。再生たばこがシート刻状である場合、例えばシート刻の幅は0.4~1.5mm、シート刻の長さは5~15mmであることができる。シート又はシート刻の厚さは、伝熱効率と強度の兼ね合いから、50~800μmが好ましく、100~600μmがより好ましい。
本実施形態に係る再生たばこの製造方法は、以下の工程を含む。たばこ原料からたばこ成分を抽出して、たばこ抽出液とたばこ残渣を得る工程(以下、「抽出工程」ともいう。);前記たばこ残渣をアルカリ蒸解処理した後、pHを4.0~6.5に調整する工程(以下、「アルカリ蒸解処理工程」ともいう。);pH調整後の前記たばこ残渣に前記たばこ抽出液をかけ戻す工程(以下、「かけ戻し工程」ともいう。)。前記方法によれば、本実施形態に係る再生たばこを簡便に、効率よく製造することができる。また、環境負荷及びコストを低減することができる。本実施形態に係る方法は、抽出工程、アルカリ蒸解処理工程、かけ戻し工程以外にも、例えば成形工程等の他の工程を含んでもよい。
本工程では、たばこ原料からたばこ成分を抽出して、たばこ抽出液とたばこ残渣を得る。たばこ原料からたばこ成分を抽出する方法は特に限定されないが、例えばたばこ原料を溶媒に浸漬してたばこ成分を抽出することができる。また、たばこ原料を加熱してたばこ原料からたばこ成分を揮発させ、その蒸気を回収してもよい。
本工程では、前記抽出工程で得られたたばこ残渣をアルカリ蒸解処理した後、pHを4.0~6.5に調整する。アルカリ蒸解処理とは、原料にアルカリ性物質を添加し、加熱処理することを示す。アルカリ蒸解処理としては、水酸化ナトリウムと硫酸ナトリウムの混合液を使用するクラフトパルプ法、水酸化ナトリウム水溶液を使用するソーダパルプ法、重亜硫酸塩および亜硫酸ガス等を使用する酸性亜硫酸塩法、水酸化ナトリウムと重亜硫酸塩を使用する中性亜硫酸塩法等が挙げられる。アルカリ性物質としては特に限定されないが、アルカリ金属の水酸化物が好ましく、例えば水酸化ナトリウム等が挙げられる。アルカリ性物質はアルカリ性物質の水溶液として添加してもよい。アルカリ性物質をアルカリ性物質の水溶液(薬液)として添加する場合、薬液の添加量としては、薬液のpHにもよるが、例えばたばこ残渣(g)と薬液(mL)との比が、1:2~1:100であることが好ましく、1:3~1:100であることがより好ましく、1:3~1:50であることが更に好ましく、1:5~1:50であることが更に好ましく、1:10~1:50であることが特に好ましい。
本工程では、pH調整後の前記たばこ残渣に前記たばこ抽出液をかけ戻す。本工程により、予めたばこ原料から取り出していたたばこ成分をたばこ残渣に戻す。低比熱化されたたばこ残渣を基材として、該基材にたばこ成分を戻すことで、比熱の低い再生たばこを得ることができる。たばこ残渣にたばこ抽出液をかけ戻す方法は特に限定されない。例えば、たばこ残渣にたばこ抽出液を添加して混合し、たばこ残渣にたばこ抽出液を染み込ませることでかけ戻すことができる。かけ戻した後でたばこ抽出液を含むたばこ残渣を乾燥してもよい。
本実施形態に係る方法では、得られた再生たばこをシート状、シート刻状等に成形してもよい。例えば、かけ戻し工程により得られたたばこ成分を含むたばこ残渣と、前記バインダと、前記繊維材料とを混合し、抄造法、キャスト法、圧延法等の公知の方法でシート状に成形することができる。また、シート状に成形された再生たばこを裁刻することで、シート刻状に成形することができる。
本実施形態に係る非燃焼加熱型香味吸引器は、本実施形態に係る再生たばこが充填された、たばこ含有セグメントを備える。本実施形態に係る非燃焼加熱型香味吸引器は、本実施形態に係る再生たばこが充填されたたばこ含有セグメントを備えるため、該たばこ含有セグメントを加熱する際に、少ない電力でたばこ含有セグメントの温度を上昇させることができる。したがって、非燃焼加熱型香味吸引器1本あたりの電力消費量を抑制することができる。
たばこ含有セグメント2は、本実施形態に係る再生たばこが巻紙(以下、ラッパーともいう)内に充填されている。再生たばこを巻紙内に充填する方法は特に限定されないが、例えば再生たばこをラッパーで包んでもよく、筒状のラッパー内に再生たばこを充填してもよい。再生たばこの形状が矩形状のように長手方向を有する場合、再生たばこは該長手方向がラッパー内でそれぞれ不特定の方向となるように充填されていてもよく、たばこ含有セグメント2の軸方向又は該軸方向に対して垂直な方向となるように整列させて充填されていてもよい。
図1に示されるように、冷却セグメント3は筒状部材7で構成される態様を挙げることができる。筒状部材7は例えば厚紙を円筒状に加工した紙管であってもよい。
センターホールセグメントは1つまたは複数の中空部を有する充填層と、該充填層を覆うインナープラグラッパー(内側巻紙)とで構成される。例えば、図1に示されるように、センターホールセグメント4は、中空部を有する第一の充填層9と、第一の充填層9を覆う第一のインナープラグラッパー10とで構成される。センターホールセグメント4は、マウスピースセグメント6の強度を高める機能を有する。第一の充填層9は、例えば酢酸セルロース繊維が高密度で充填されトリアセチンを含む可塑剤が酢酸セルロース質量に対して、6質量%以上、20質量%以下添加されて硬化された内径φ1.0mm以上、φ5.0mm以下のロッドとすることができる。第一の充填層9は繊維の充填密度が高いため、吸引時は、空気やエアロゾルは中空部のみを流れることになり、第一の充填層9内はほとんど流れない。センターホールセグメント4内部の第一の充填層9が繊維充填層であることから、使用時の外側からの触り心地は、使用者に違和感を生じさせることが少ない。なお、センターホールセグメント4が第一のインナープラグラッパー10を持たず、熱成型によってその形が保たれていてもよい。
フィルターセグメント5の構成は特に限定されないが、単数または複数の充填層から構成されてよい。充填層の外側は一枚または複数枚の巻紙で巻装されてよい。フィルターセグメント5のセグメント当たりの通気抵抗は、フィルターセグメント5に充填される充填物の量、材料等により適宜変更することができる。例えば、充填物が酢酸セルロース繊維である場合、フィルターセグメント5に充填される酢酸セルロース繊維の量を増加させれば、通気抵抗を増加させることができる。充填物が酢酸セルロース繊維である場合、酢酸セルロース繊維の充填密度は0.13~0.18g/cm3であることができる。なお、通気抵抗は通気抵抗測定器(商品名:SODIMAX、SODIM製)により測定される値である。
本実施形態に係る非燃焼加熱型香味吸引システムは、本実施形態に係る非燃焼加熱型香味吸引器と、該非燃焼加熱型香味吸引器のたばこ含有セグメントを加熱する加熱装置と、を備える。本実施形態に係る非燃焼加熱型香味吸引システムは、本実施形態に係る非燃焼加熱型香味吸引器を備えるため、非燃焼加熱型香味吸引器1本あたりの電力消費量を抑制することができる。本実施形態に係る非燃焼加熱型香味吸引システムは、本実施形態に係る非燃焼加熱型香味吸引器及び前記加熱装置以外に、他の構成を有していてもよい。
たばこ材料のFT-IR分析における波長3200~3600cm-1の最大吸光度の測定は、以下の方法により行った。たばこ材料のサンプルをATR測定用ダイヤモンドクリスタルに密着させ、赤外吸収スペクトルを測定した。測定装置としては、フーリエ変換赤外分光装置(商品名:Thermo Scientific Nicolet iS50、Thermo Scientific社製)を用いた。測定方法:ATR法、分解能:4cm-1、積算回数:32回(n=2)の条件で測定を実施した。
たばこ材料の吸水量は、以下の方法により測定した。φ55×80mmのステンレス管に1mm径の穴19個が開いた円筒容器を用意した。ろ紙を該円筒容器内に設置し、その上にたばこ材料のサンプルを3~6g入れた。バットに水道水を張り、バット内に該円筒容器を入れ、900秒後の質量を測定し、1g当たりの吸水量を測定した。該測定を3回実施し、その平均値を各時間における吸水量とした。
たばこ材料の安息角は、以下の方法により測定した。25mm×25mmの計測台(ピーク材)の4cm上から漏斗にてたばこ材料のサンプルを落とした。計測台からサンプルがこぼれる程度まで落としたら写真を撮影し、画像解析ソフト(キーエンス社製顕微鏡)にて角度を測定した。この測定を3回実施し、その平均値を安息角の値とした。
たばこ材料の比熱として、DSC(示差走査熱量測定)により300℃までの最大比熱容量(mJ/mg・℃)を測定した。具体的には、示差走査熱量計(商品名:DSC7020、(株)日立ハイテクサイエンス製)を用いて、以下の条件により測定した。昇温速度:10℃/min、保持時間:2分、パン:Al、サンプル質量:10mg、リファレンス:Al2O3。
たばこ材料のべたつきの評価は、パネラー5名がたばこ材料を手で触り、5件法にて評価した(n=1)。具体的には、「全くべたついていない」を0点、「非常にべたついている」を5点として、0~5点で評価した。なお、前記パネラーは訓練が十分に行われており、べたつきに関する評価の閾値が等しく、パネラー間で統一化されていることが確認されている。
(再生たばこの調製)
たばこ原料として黄色葉を準備した。前記たばこ原料に対して原料質量の12倍の水を加え、50℃、300rpmで1時間攪拌した。その後、手絞りによって抽出液を回収した。これにより、前記たばこ原料からたばこ成分を抽出し、たばこ抽出液とたばこ残渣を得た。次に、前記たばこ残渣に2mol/Lの水酸化ナトリウム水溶液を100g/L投入し、180℃で3時間加熱した。その後、クエン酸を添加してpHを5.6に調整することで、たばこ材料を得た。該たばこ材料について、前記方法により、FT-IR分析における波長3200~3600cm-1の最大吸光度、吸水量、安息角、及び比熱の測定、並びにべたつきの評価を行った。結果を表1に示す。
前記シート状の再生たばこを、図1に示される非燃焼加熱型香味吸引器1のたばこ含有セグメント2内に充填し、非燃焼加熱型香味吸引器を得た。該非燃焼加熱型香味吸引器について加熱試験を実施し、ニコチンデリバリー量と、グリセリンデリバリー量を測定した。具体的には、図2に示される加熱装置13に非燃焼加熱型香味吸引器1を挿入し、たばこ含有セグメントを200℃に加熱した。30秒の予備加熱の後、非燃焼加熱型香味吸引器1の吸口部から吸引することで、吸引する主流煙中に含まれるニコチン及びグリセリンの量を測定した。吸引には吸引機(商品名:RM-20、Borgwaldt社製)を用いた。吸引(パフ)は、30秒に1回、1回あたり55mlを2秒間かけて、計10回行い、パフ毎にニコチン量及びグリセリン量の測定を行った。ニコチン量及びグリセリン量の測定は、GC-FIDを用いて行った。各パフにおけるニコチンデリバリー量を図3、各パフにおけるグリセリンデリバリー量を図4にそれぞれ示す。また、電力消費量(エネルギー)当りの主流煙へのニコチン移行率を表1に示す。ただし、ニコチンおよびグリセリンは本実施形態における再生たばこに含まれる複数の成分の中から成分の指標として示しており、特にニコチンやグリセリンを特異的にデリバリー容易としているものではない。
たばこ原料として黄色葉を準備した。前記たばこ原料に対して原料質量の12倍の水を加え、50℃、300rpmで1時間攪拌した。その後、手絞りによって抽出液を回収した。これにより、前記たばこ原料からたばこ成分を抽出し、たばこ抽出液とたばこ残渣を得た。次に、前記たばこ残渣をオーブン内に入れ、N2:Air=92%:8%(酸素濃度:1.7%)の混合気体を1L/分で流通させながら、前記たばこ残渣を230℃で1時間加熱した。これにより、前記たばこ残渣は炭化され、炭化たばこを得た。該炭化たばこについて、前記方法により、FT-IR分析における波長3200~3600cm-1の最大吸光度、安息角、及び比熱の測定、並びにべたつきの評価を行った。結果を表1に示す。
活性炭(商品名:クラレコール、(株)クラレ製)に、実施例1で得られたたばこ抽出液を添加した。該活性炭を、たばこ抽出液をかけ戻したたばこ残渣の代わりに用いた以外は、実施例1と同様にシート状の再生たばこを調製した。活性炭自体の比熱と吸水量の測定結果、及びべたつきの評価結果を表1に示す。
実施例1と同様にたばこ抽出液とたばこ残渣を得た。その後、たばこ残渣のアルカリ蒸解処理を行わずに、該たばこ残渣に前記たばこ抽出液をかけ戻した。それ以外は実施例1と同様にシート状の再生たばこを調製し、評価した。たばこ残渣自体の各物性の測定結果を表1に示す。また、非燃焼加熱型香味吸引器の評価結果を図3、図4及び表1に示す。
2 たばこ含有セグメント
3 冷却セグメント
4 センターホールセグメント
5 フィルターセグメント
6 マウスピースセグメント
7 筒状部材
8 穿孔
9 第一の充填層
10 第一のインナープラグラッパー
11 アウタープラグラッパー
12 マウスピースライニングペーパー
13 加熱装置
14 ボディ
15 ヒーター
16 金属管
17 電池ユニット
18 制御ユニット
19 凹部
Claims (11)
- たばこ材料と、たばこ成分と、を含む非燃焼加熱型香味吸引器用の再生たばこであって、
前記たばこ材料はFT-IR分析にて波長3200~3600cm-1の最大吸光度が0.40以上であり、
前記たばこ材料の比熱が5mJ/mg・℃以下である、再生たばこ。 - 前記たばこ材料を23℃の水中に900秒浸漬した際の吸水量が4.0~6.0g/gである、請求項1に記載の再生たばこ。
- 前記たばこ材料の安息角が40°以下である、請求項1又は2に記載の再生たばこ。
- たばこ原料からたばこ成分を抽出して得られるたばこ抽出液を含む、請求項1~3のいずれか一項に記載の再生たばこ。
- さらにバインダを含む、請求項1~4のいずれか一項に記載の再生たばこ。
- さらに繊維材料を含む、請求項1~5のいずれか一項に記載の再生たばこ。
- シート状の再生たばこ、又は該シート状の再生たばこを裁断したシート刻状の再生たばこである、請求項1~6のいずれか一項に記載の再生たばこ。
- 請求項1~7のいずれか一項に記載の再生たばこが充填された、たばこ含有セグメントを備える非燃焼加熱型香味吸引器。
- 請求項8に記載の非燃焼加熱型香味吸引器と、
前記たばこ含有セグメントを加熱する加熱装置と、
を備える非燃焼加熱型香味吸引システム。 - 請求項1~7のいずれか一項に記載の再生たばこの製造方法であって、
たばこ原料からたばこ成分を抽出して、たばこ抽出液とたばこ残渣を得る工程と、
前記たばこ残渣をアルカリ蒸解処理した後、pHを4.0~6.5に調整する工程と、
pH調整後の前記たばこ残渣に前記たばこ抽出液をかけ戻す工程と、
を含む、方法。 - 前記アルカリ蒸解処理が、前記たばこ残渣にアルカリ金属の水酸化物を添加し、130~230℃で5分間~6時間加熱する処理である、請求項10に記載の方法。
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| PCT/JP2022/029285 WO2024024083A1 (ja) | 2022-07-29 | 2022-07-29 | 非燃焼加熱型香味吸引器用再生たばこ及びその製造方法、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 |
| JP2024536728A JP7780654B2 (ja) | 2022-07-29 | 2022-07-29 | 非燃焼加熱型香味吸引器用再生たばこ及びその製造方法、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 |
| EP22953171.0A EP4563013A1 (en) | 2022-07-29 | 2022-07-29 | Reconstituted tobacco 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 |
| KR1020257005852A KR20250044322A (ko) | 2022-07-29 | 2022-07-29 | 비연소 가열형 향미 흡인기용 재생 담배 및 그의 제조 방법, 비연소 가열형 향미 흡인기, 및 비연소 가열형 향미 흡인 시스템 |
| US19/039,098 US20250176608A1 (en) | 2022-07-29 | 2025-01-28 | Reconstituted tobacco 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6019216B2 (ja) | 2013-03-21 | 2016-11-02 | 日本たばこ産業株式会社 | 黒液の製造方法および香味成分含有液の製造方法 |
| WO2019097641A1 (ja) * | 2017-11-16 | 2019-05-23 | 日本たばこ産業株式会社 | 香料担持たばこ充填材の製造方法、香料担持たばこ充填材、および加熱型香味吸引器 |
| CN112385890A (zh) * | 2019-10-09 | 2021-02-23 | 湖北中烟工业有限责任公司 | 一种用于低温卷烟的加热装置 |
| WO2022138261A1 (ja) * | 2020-12-24 | 2022-06-30 | 日本たばこ産業株式会社 | たばこ組成物、たばこ含有セグメント、非燃焼加熱型香味吸引器具、及び非燃焼加熱型香味吸引システム |
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| JPS6019216U (ja) | 1983-07-18 | 1985-02-09 | 株式会社日立製作所 | ミユ−テイング回路 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6019216B2 (ja) | 2013-03-21 | 2016-11-02 | 日本たばこ産業株式会社 | 黒液の製造方法および香味成分含有液の製造方法 |
| WO2019097641A1 (ja) * | 2017-11-16 | 2019-05-23 | 日本たばこ産業株式会社 | 香料担持たばこ充填材の製造方法、香料担持たばこ充填材、および加熱型香味吸引器 |
| CN112385890A (zh) * | 2019-10-09 | 2021-02-23 | 湖北中烟工业有限责任公司 | 一种用于低温卷烟的加热装置 |
| WO2022138261A1 (ja) * | 2020-12-24 | 2022-06-30 | 日本たばこ産業株式会社 | たばこ組成物、たばこ含有セグメント、非燃焼加熱型香味吸引器具、及び非燃焼加熱型香味吸引システム |
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| EP4563013A1 (en) | 2025-06-04 |
| JPWO2024024083A1 (ja) | 2024-02-01 |
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