WO2020100884A1 - 冷却セグメント及びその製造方法、非燃焼加熱喫煙物品、並びに非燃焼加熱喫煙システム - Google Patents
冷却セグメント及びその製造方法、非燃焼加熱喫煙物品、並びに非燃焼加熱喫煙システム Download PDFInfo
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- WO2020100884A1 WO2020100884A1 PCT/JP2019/044305 JP2019044305W WO2020100884A1 WO 2020100884 A1 WO2020100884 A1 WO 2020100884A1 JP 2019044305 W JP2019044305 W JP 2019044305W WO 2020100884 A1 WO2020100884 A1 WO 2020100884A1
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- polymer
- cooling segment
- segment
- smoking article
- coated paper
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- 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
- 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
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/01—Making cigarettes for simulated smoking devices
-
- 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
- A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
- A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
-
- 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
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
- A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
-
- 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
- A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
- A24D3/063—Use of materials for tobacco smoke filters characterised by structural features of the fibers
-
- 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
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
-
- 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
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
-
- 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
-
- 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
- A24D3/17—Filters 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
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
Definitions
- the present invention relates to a cooling segment, a manufacturing method thereof, a non-combustion heating smoking article, and a non-combustion heating smoking system.
- An ordinary burning smoking article that smokes by using combustion is made of paper with a tobacco filler, which is a tobacco dry leaf carved into a width of about 1 mm, to which a flavoring agent, a moisturizing agent, and an appropriate amount of water are added.
- the cigarette-containing segment is wound in a cylindrical shape with a wrapper made of paper
- the mouthpiece segment is wound in a cylindrical shape with a paper wrapper with fibers or pleated paper made of cellulose acetate or the like.
- the tobacco-containing segment and the mouthpiece segment are connected by a lining paper.
- Smoking is performed by the user igniting the end of the tobacco-containing segment with a lighter or the like and sucking from the end of the mouthpiece segment.
- the tobacco-containing segment tip burns at a temperature above 800 ° C.
- non-burning heating smoking articles and non-burning heating smoking systems that utilize heating instead of burning have been developed (for example, Patent Documents 1 to 6).
- the heating temperature is lower than the combustion temperature in the burning smoking article, for example, it is heated at 400 ° C. or lower.
- the tobacco fill of the tobacco-containing segment comprises an aerosol-forming substrate such as glycerin, propylene glycol (PG), triethyl citrate (TEC), triacetin.
- PG propylene glycol
- TEC triethyl citrate
- the aerosol-generating substrate is vaporized by heating and moved by suction to a cooling segment in the mouthpiece segment, where it is cooled to more reliably produce an aerosol. At the time of inhalation, the aerosol is also inhaled, so that the user's satisfaction can be secured.
- the non-combustion heating smoking system generally includes a cylindrical non-combustion heating smoking article having a shape similar to that of a normal combustion smoking article, and a heating device including a battery, a controller, a heater, and the like.
- the heater include a heater based on electric resistance and a heater based on IH.
- a method of heating the heater by electric resistance a method of heating with a heater from the outside of the non-combustion heating smoking article, a needle-like or blade-shaped heater from the tip of the non-combustion heating smoking article into a tobacco-containing segment containing a tobacco filler. Examples include a method of inserting and heating.
- the aerosol-forming base material that is vaporized by heating (hereinafter also referred to as the aerosol vaporization component) is mainly cooled in the cooling segment and condensation from vapor to particles occurs to form an aerosol.
- the aerosol vaporization component is mainly cooled in the cooling segment and condensation from vapor to particles occurs to form an aerosol.
- a filter segment filled with a large amount of fiber or paper is used as a cooling segment as it is in order to secure the filtering function of smoke components and the hardness of the mouthpiece like a normal burning smoking article, cooling of the aerosol vaporization component is prevented.
- the packing density is high, the aerosol is filtered and the user's satisfaction cannot be sufficiently secured.
- the tobacco-containing segment contains a volatile fragrance component
- some non-combustion heated smoking articles have a low heating temperature, so that the volatile fragrance component may be less volatile.
- the packing density of fiber or paper is high, the volatile flavor component is also filtered, and the supply amount of the volatile flavor component becomes insufficient.
- Patent Document 2 discloses a configuration including a low resistance supporting element such as a gather made of a polymer sheet such as a polylactic acid sheet.
- Patent Document 4 discloses a configuration in which perforations are provided on the outer periphery of a hollow cylindrical portion, and external air is introduced from the perforations during suction, and the aerosol vaporization component and the external air are brought into contact with each other to cool.
- a cooling segment for a non-combustion heated smoking article that can achieve both high cooling properties of aerosol vaporization components and low aerosol filtering properties.
- An object of the present invention is to provide a cooling segment having a high cooling performance of an aerosol vaporization component and a low aerosol filterability, a non-combustion heating smoking article and a non-combustion heating smoking system including the cooling segment.
- the cooling segment according to the present invention is a cooling segment for a non-combustion heated smoking article including a polymer-coated paper including a paper and a polymer layer including a polymer provided on the paper.
- the non-combustion heated smoking article according to the present invention comprises a tobacco-containing segment and a cooling segment according to the present invention.
- the non-combustion heating smoking system according to the present invention includes the non-combustion heating smoking article according to the present invention and a heating device for heating the tobacco-containing segment.
- the method for producing a cooling segment according to the present invention comprises a step of applying a coating liquid containing the polymer onto the paper to produce the polymer-coated paper.
- cooling segment having high cooling performance of an aerosol vaporization component and low aerosol filterability, a non-combustion heated smoking article and a non-combustion heated smoking system including the cooling segment.
- FIG. 1 is an SEM image of a cross section of an example of a polymer layer having a porous structure according to the present invention. It is (a) perspective view and (b) sectional drawing which show 1 of 1st embodiment of the cooling segment which concerns on this invention. It is (a) perspective view and (b) sectional drawing which show 2 of 1st embodiment of the cooling segment which concerns on this invention. It is (a) perspective view and (b) sectional view showing a second embodiment of a cooling segment concerning the present invention. It is (a) perspective view and (b) sectional view which show 3rd embodiment of the cooling segment which concerns on this invention.
- Examples 5 is a graph showing the maximum steam temperature in Examples 2 and 3 and Comparative Examples 2 to 4. It is a graph which shows the amount of glycerin with respect to the puff number in Examples 2 and 3, and Comparative Examples 3 and 4. It is a graph which shows the amount of nicotine with respect to the puff number in Examples 2 and 3 and Comparative Examples 3 and 4.
- the cooling segment according to the present invention is a cooling segment for a non-combustion heated smoking article comprising a polymer coated paper.
- the polymer-coated paper includes paper and a polymer layer containing a polymer provided on the paper.
- the cooling segment is a segment that is located closer to the mouth end than the tobacco-containing segment in the non-combustion heated smoking article and cools the vaporized aerosol component.
- the cooling segment includes a polymer-coated paper including paper and a polymer layer provided on the paper, and the polymer-coated paper has better moldability than a sheet made of a polymer.
- a polymer layer is formed on a base of paper having a predetermined hardness and thickness, unlike a polymer sheet (film), even a small amount can be folded into a desired shape. . Therefore, even when the polymer-coated papers are collectively arranged in the cooling segment by gathering them, a high porosity can be maintained in the cooling segment. Thereby, low filterability of the aerosol can be realized.
- the polymer-coated paper has good moldability, it is possible to form a structure in the cooling segment to enhance the cooling efficiency of the aerosol vaporization component. Furthermore, the polymer of the polymer layer provided on the polymer-coated paper comes into contact with the aerosol vaporization component and undergoes phase transition to generate heat, so that the cooling effect per unit area is high. In addition, even a material with excellent heat absorption that cannot be formed into a sheet (film) by itself can be used by applying it thinly on paper, and the cooling effect can be improved. The amount can be reduced and, as a result, low filterability of aerosol can be realized.
- details of the present invention will be described.
- the polymer-coated paper according to the present invention includes a paper and a polymer layer containing a polymer provided on the paper.
- An example of the polymer coated paper according to the present invention is shown in FIG.
- the polymer layer 2 is provided on the paper 1.
- the polymer layer is provided only on one surface of the polymer-coated paper, but the polymer layer may be provided on both surfaces of the polymer-coated paper.
- the paper is not particularly limited as long as it functions as a support, but the basis weight of the paper is preferably 35 g / m 2 or more, and preferably 35 to 70 g / m 2 from the viewpoint of filter winding suitability. More preferable. Further, the air permeability of the paper is preferably low, and the air permeability of 0 is more preferable.
- the thickness of the paper is not particularly limited, but can be, for example, 30 to 70 ⁇ m.
- the polymer layer contains a polymer.
- the type of polymer is not particularly limited, but biodegradable polymers and edible polymers are preferable.
- the glass transition temperature (Tg) of the polymer is preferably 400 ° C. or lower, and more preferably 200 ° C. or lower, from the viewpoint that the polymer undergoes a phase transition at the temperature in the cooling segment to generate an endotherm. And more preferably 100 ° C. or lower.
- the lower limit of Tg of the polymer is not particularly limited, but can be, for example, 40 ° C. or higher.
- the Tg of the polymer is a value specifically measured by a differential scanning calorimeter (trade name: "DSC7000", manufactured by Hitachi High-Tech Science).
- polyvinyl alcohol PVA
- cellulose acetate trehalose
- maltose sucrose
- maltitol glucose
- WAX wax
- hydrogenated oil PVA
- PVA or polyvinyl alcohol / acrylic acid / methyl methacrylate copolymer POVACOAT is preferable as the polymer from the viewpoint of good coatability on paper.
- PVA has a low Tg, so that an endothermic effect due to a phase transition is easily obtained.
- PVA has a high affinity with water, water vapor in an aerosol is adsorbed and a cooling effect is easily obtained.
- the average degree of polymerization of PVA is preferably 1500 or less.
- the average degree of polymerization of PVA is 1500 or less, coatability on paper is improved and a polymer layer can be uniformly formed on the paper.
- the average degree of polymerization of PVA is more preferably 100 or more and 1300 or less, still more preferably 300 or more and 1200 or less, and particularly preferably 500 or more and 1000 or less.
- the average degree of polymerization of PVA is a value measured according to the JISK6726-1994 polyvinyl alcohol test method.
- the degree of saponification of PVA is preferably 70 mol% or more and 99 mol% or less.
- the degree of saponification of PVA is 99 mol% or less, whereby the solubility in water is improved and the release performance of the volatile component is improved.
- the degree of saponification of PVA is more preferably 75 mol% or more and 99 mol% or less, and further preferably 80 mol% or more and 99% mol% or less.
- the degree of saponification of PVA is a value measured according to the JIS K6726-1994 polyvinyl alcohol test method.
- the polymer layer further contains at least one of a volatile flavor component and an aerosol-forming base material (hereinafter, also referred to as a volatile component).
- a volatile flavor component and an aerosol-forming base material (hereinafter, also referred to as a volatile component).
- a volatile component an aerosol-forming base material
- the volatile component Since the polymer layer of the polymer-coated paper placed in the cooling segment contains the volatile component, the volatile component is retained in the polymer layer, so that the volatilization of the volatile component before use is suppressed. You can Moreover, when the aerosol vaporization component is cooled, a part of the polymer layer becomes a rubber state or melts, and the volatile component is gradually released from the polymer layer. Thereby, the volatile component can be stably supplied throughout the suction. In addition, since the volatile component is contained in the cooling segment, the amount of heat in the smoke is absorbed by the vaporization and sublimation of the volatile component, and the cooling effect can be expected.
- the type of the volatile flavor component is not particularly limited, and from the viewpoint of imparting a good taste, acetanisol, acetophenone, acetylpyrazine, 2-acetylthiazole, alfalfa extract, amyl alcohol, amyl butyrate, trans-anethole, and star.
- the aerosol-generating base material is a material that can generate an aerosol by heating, and is not particularly limited, and examples thereof include glycerin, propylene glycol (PG), triethyl citrate (TEC), triacetin, and 1,3-butanediol. Be done. These may be used alone or in combination of two or more.
- the content of the volatile component in the polymer layer is preferably 20% by mass or more and 60% by mass or less based on 100% by mass of the polymer layer.
- the content is more preferably 10% by mass or more and 60% by mass or less, further preferably 10% by mass or more and 30% by mass or less.
- the thickness of the polymer layer is preferably 30 ⁇ m or less. When the thickness of the polymer layer is 30 ⁇ m or less, the volatile component is easily released, and the volatile component can be more stably supplied throughout the suction.
- the thickness of the polymer layer is more preferably 5 ⁇ m or more and 25 ⁇ m or less, still more preferably 10 ⁇ m or more and 25 ⁇ m or less.
- the polymer layer preferably has a porous structure.
- a part of the porous structure is destroyed by heating and the volatile component inside is gradually released. Thereby, the volatile component can be uniformly supplied throughout the suction.
- FIG. 2 shows an SEM image of a cross section of an example of the polymer layer having a porous structure according to the present invention, which is taken at a magnification of 1500.
- the polymer layer 2 formed on the paper 1 has a plurality of fine holes, and the volatile component exists inside the holes.
- the average pore diameter of the porous structure is preferably 0.5 ⁇ m or more and 20 ⁇ m or less, more preferably 1 ⁇ m or more and 10 ⁇ m or less.
- the average pore diameter of the porous structure is a value measured by CD-SEM.
- the method for forming the porous structure is not particularly limited, but, for example, as described below, micelles are formed when the polymer and the volatile component are emulsified with an emulsifier during the preparation of the coating liquid for the polymer layer.
- a porous structure derived from can be formed. In this case, the average pore diameter and porosity of the porous structure can be adjusted by the amount of the emulsifier used.
- the cooling segment according to the present invention is not particularly limited as long as it includes the polymer-coated paper according to the present invention described above. Hereinafter, specific embodiments will be shown, but the cooling segment according to the present invention is not limited thereto.
- FIGS. 3 and 4 are (a) perspective views and (b) cross-sectional views of 1 and 2 of the first embodiment of the cooling segment according to the present invention.
- the cooling segment 5 shown in FIGS. 3 and 4 includes a polymer-coated paper 3 and a wrapper 4 that wraps the polymer-coated paper 3.
- the polymer-coated paper 3 includes paper and a polymer layer containing a polymer provided on the paper, and is gathered and arranged in the wrapper 4 of the cooling segment 5.
- the groove formed by the gather extends in the axial direction of the cooling segment 5, that is, in the horizontal direction of FIGS. 3 and 4.
- the surface area of the polymer coated paper 3 can be increased while maintaining the permeability of the aerosol in the axial direction of the cooling segment 5.
- the filterability of the aerosol becomes low, and the cooling performance of the aerosol vaporization component becomes high.
- the number of grooves formed by gathers is not particularly limited.
- a plurality of fold lines also called crimps or crepes
- the polygonal line is not provided on the polymer-coated paper 3.
- the polymer-coated paper 3 of FIG. 3 is provided with a plurality of fold lines in the axial direction of the cooling segment 5, so that the fold of the polymer-coated paper 3 is sharp. ..
- the polymer layer-formed surface of the polymer-coated paper 3 preferably has a surface area of 100 to 280 mm 2 per 1 mm in the axial direction of the cooling segment 5.
- the surface area of the polymer layer-formed surface of the polymer-coated paper 3 per 1 mm in the axial direction of the cooling segment 5 is the surface area (mm 2 of the polymer layer-formed surface of the polymer-coated paper 3 arranged in the cooling segment 5). ) Is divided by the axial length (mm) of the cooling segment 5.
- the polymer layer may be formed only on one surface of the polymer-coated paper 3 or may be formed on both surfaces, but the polymer layer is formed only on one surface of the polymer-coated paper 3. If so, the surface area is preferably in the range of 100 to 150 mm 2 , more preferably in the range of 120 to 150 mm 2 , and even more preferably in the range of 130 to 150 mm 2 . On the other hand, when the polymer layer is formed on both surfaces of the polymer-coated paper 3, the surface area is preferably in the range of 200 to 300 mm 2 , and more preferably in the range of 240 to 300 mm 2. More preferably, it is in the range of 260 to 300 mm 2 .
- FIG. 5 shows (a) a perspective view and (b) a cross-sectional view of a second embodiment of the cooling segment according to the present invention.
- a plurality of rectangular polymer-coated papers 3 are included in the wrapper 4 of the cooling segment 5.
- the length of the polymer-coated paper 3 in the longitudinal direction is longer than the diameter of the cooling segment 5 (cross-sectional length across the plane perpendicular to the axial direction of the cooling segment 5).
- the longitudinal direction of the polymer-coated paper 3 is arranged so as to be substantially parallel to the axial direction of the cooling segment 5, that is, the horizontal direction of FIG.
- substantially parallel refers to a direction within ⁇ 10 ° with respect to the target direction.
- the length (width) of the polymer-coated paper 3 in the lateral direction is not particularly limited, but is preferably 0.2 mm or more and 5 mm or less, and more preferably 0.5 mm or more and 3 mm or less.
- FIG. 6 shows (a) a perspective view and (b) a sectional view of a third embodiment of a cooling segment according to the present invention.
- the wrapper 4 of the cooling segment 5 includes a plurality of strand-shaped (string-shaped) polymer-coated papers 3.
- the polymer coated paper 3 is filled in the cooling segment 5.
- the longitudinal direction of the polymer-coated paper 3 is not particularly limited and may be an unspecified direction with respect to the axial direction of the cooling segment 5 as shown in FIG. 6 (b). Since the polymer-coated paper 3 has such a structure in the cooling segment 5 and the polymer-coated paper 3 is short, the surface area of the polymer-coated paper 3 is increased and the aerosol permeability is maintained.
- the length of the polymer-coated paper 3 in the longitudinal direction is not particularly limited, but can be shorter than the diameter of the cooling segment 5, and can be, for example, 1 mm or more and 10 mm or less.
- the length of the polymer-coated paper 3 in the lateral direction is not particularly limited, but can be, for example, 0.5 mm or more and 2 mm or less.
- the shape of the cooling segment is not particularly limited, but can be, for example, a columnar shape.
- the peripheral length of the cooling segment is preferably 16 to 25 mm, more preferably 20 to 24 mm, and further preferably 21 to 23 mm.
- the axial length of the cooling segment is preferably 5 to 70 mm, more preferably 5 to 50 mm, and further preferably 5 to 30 mm.
- the shape of the cross section of the cooling segment is not particularly limited, but may be, for example, a circle, an ellipse, a polygon, or the like. There may be perforations.
- the method of manufacturing a cooling segment according to the present invention includes a step of manufacturing a polymer-coated paper by applying a coating liquid containing a polymer onto the paper. According to the method, the cooling segment according to the present invention can be suitably manufactured.
- the method for preparing the coating liquid is not particularly limited, but for example, a dispersion liquid in which a polymer and a volatile component added as necessary are dispersed in an aqueous dispersion medium can be prepared.
- a solid component such as menthol that is solid at room temperature
- the solid component is dissolved in ethanol and added to a polymer liquid previously dispersed in water.
- an emulsifier, an aerosol-forming base material such as glycerin, and the like can be added to prepare a dispersion liquid.
- the emulsifier include glycerin fatty acid ester, sucrose fatty acid ester, lecithin and the like. These may be used alone or in combination of two or more.
- the solid component is dissolved in ethanol, and the dissolved product and the polymer are dispersed in the dispersion liquid (ethanol aqueous solution).
- the dispersion liquid is applied and dried, ethanol and water are volatilized and removed, so that the portions where ethanol and water were present become pores. Therefore, it is considered that the formed polymer layer has a porous structure, and the solid component is present inside the pores.
- an emulsifier is used, micelles containing ethanol, the emulsifier and the solid component are formed.
- pores are formed in the micelle portion, and the solid component remains inside the pores.
- the formed polymer layer has a porous structure, and the solid component is present inside the pores.
- the pore size of the porous structure can be adjusted by the amount of the emulsifier used, etc. For example, the smaller the amount of the emulsifier used, the larger the pore size. From the viewpoint of sufficiently holding the volatile components in the pores and gradually releasing them by heating, the pore diameter is preferably large. That is, it is preferable that the amount of the emulsifier used is small.
- the concentration of the emulsifier in the dispersion is preferably 0% by mass or more and 10% by mass or less.
- the concentration of the polymer in the dispersion is preferably 10% by mass or more and 30% by mass or less.
- the concentration of ethanol in the dispersion is preferably 5% by mass or more and 15% by mass or less.
- the concentration of the volatile component in the dispersion is preferably 5% by mass or more and 20% by mass or less.
- the coating liquid can be applied on paper and dried.
- the amount of the coating liquid applied to the paper can be appropriately selected according to the thickness of the polymer layer to be formed.
- the temperature during drying can be, for example, 60 ° C. or higher and 200 ° C. or lower. Thereby, a polymer-coated paper having a polymer layer formed on the paper is obtained.
- the obtained polymer coated paper can be placed in the wrapper.
- the shape and the arrangement of the polymer-coated paper in the wrapper are not particularly limited, and examples thereof include the shape and the arrangement of the polymer-coated paper in the cooling segment of the first to third embodiments described above.
- the polymer-coated paper can be formed into a desired shape by folding the polymer-coated paper in a bellows shape by a treatment such as crepe.
- a treatment such as crepe.
- polymer-coated paper is creped with a crepe roll, it starts gathering with a transport jet and finishes with a tongue to gather a cylinder size. After that, it is wrapped with a wrapper, and the end of the wrapper (the portion that overlaps when wrapped) is coated with hot melt with a wrap glue gun and cooled with a cooler bar. Finally, a cooling segment is obtained by cutting to a predetermined length with a cutter.
- the crepe process in the crepe roll part can be omitted.
- the polymer-coated paper is cut into strips, and a plurality of strip-shaped polymer-coated papers are put in a tubular wrapper or wrapped with the wrapper to obtain a cooling segment.
- the polymer-coated paper is cut into strands (strings), and a plurality of strand-shaped polymer-coated papers is put in a tubular wrapper or wrapped with a wrapper to cool the polymer-coated paper.
- the segment can be obtained.
- a non-combustion heated smoking article according to the present invention comprises a tobacco-containing segment and a cooling segment according to the present invention. Since the non-combustion heated smoking article comprises the cooling segment according to the present invention, it has high cooling performance for the aerosol vaporization component and low aerosol filterability.
- the non-combustion heated smoking article according to the present invention may have other segments in addition to the tobacco-containing segment and the cooling segment.
- FIG. 7 An example of the first embodiment of the non-combustion heating smoking article according to the present invention is shown in FIG.
- the non-combustion heated smoking article 30 shown in FIG. 7 comprises a tobacco-containing segment 10 and a mouthpiece segment 11.
- the mouthpiece segment 11 includes a cooling segment 5 according to the present invention, a center hole segment 12, and a filter segment 13. During smoking, the tobacco-containing segment 10 is heated, and suction is performed from the end of the filter segment 13.
- the position of the cooling segment 5 is not limited to the position shown in FIG. 7 and may be any segment of the mouthpiece segment 11.
- the tobacco-containing segment 10 has a tobacco filling 14 including a tobacco and aerosol-generating substrate, and a tubular wrapper 15 that covers the tobacco filling 14.
- the tobacco filling 14 may further contain a volatile flavor component, water and the like.
- dried tobacco leaves may be chopped to have a width of 0.8 to 1.2 mm. When carved into the width, the carved length is about 5 to 20 mm. Further, dried tobacco leaves may be crushed to have an average particle size of about 20 to 200 ⁇ m and homogenized, and then processed into a sheet, which is then cut into a width of 0.8 to 1.2 mm. ..
- the carved length is about 5 to 20 mm.
- the above-described sheet-processed product may be used as a filling product without gathering the gather-processed product.
- various kinds of tobacco contained in the tobacco filler can be used. Yellow variety, Burley variety, Orient variety, native variety, and other Nicotiana tabacum variety and Nicotiana rustica variety can be appropriately blended and used to obtain a desired taste. Details of the tobacco variety are disclosed in "Encyclopedia of Tobacco, Tobacco Research Center, 2009.3.31". There are several conventional methods for crushing tobacco and processing it into a uniformized sheet.
- One is a papermaking sheet made using a papermaking process, and two are homogenized by mixing with a suitable solvent such as water and then thinly casting the homogenized product on a metal plate or metal plate belt, There are cast sheets that are made by drying, and three are rolled sheets that are formed by extruding a homogenized mixture of water and other suitable solvents into a sheet. Details of the type of the homogenizing sheet are disclosed in "Encyclopedia of Tobacco, Tobacco Research Center, 2009. 3.31".
- Packing density of the tobacco filler 14 is not particularly limited, and guarantee the performance of the non-combustion heating smoking article 30, from the viewpoint of imparting a good taste, is usually 250 mg / cm 3 or more, preferably 320 mg / cm 3 or more,, and is generally 520 mg / cm 3 or less, preferably 420 mg / cm 3 or less.
- the content range of the tobacco filler 14 in the tobacco-containing segment 10 may be 200 to 400 mg per tobacco-containing segment 10 in the case of the tobacco-containing segment 10 having a circumference of 22 mm and a length of 20 mm. , 250 to 320 mg is preferable.
- the aerosol-forming base material and the volatile fragrance component may be the same as or different from the volatile component that can be contained in the polymer layer of the polymer-coated paper according to the present invention.
- the amount of the aerosol-generating base material contained in the tobacco filler 14 can be, for example, 10 to 30% by mass based on 100% by mass of the tobacco filler 14.
- the method for filling the tobacco filling 14 into the wrapper 15 is not particularly limited, but for example, the tobacco filling 14 may be wrapped with the wrapper 15, or the tubular wrapper 15 may be filled with the tobacco filling 14.
- the shape of the cigarette has a longitudinal direction such as a rectangular shape
- the tobacco may be filled so that the longitudinal direction is in a non-specific direction in the wrapper 15, and the tobacco is contained in the axial direction of the tobacco-containing segment 10 or It may be filled with being aligned so as to be a direction perpendicular to the axial direction.
- the tobacco-containing segment 10 is heated, the tobacco component and the aerosol-forming base material contained in the tobacco filling 14 are vaporized, and these are transferred to the mouthpiece segment 11 by suction.
- the center hole segment is composed of a packing layer having one or more hollow parts and an inner plug wrapper covering the packing layer.
- the center hole segment 12 includes a first filling layer 16 having a hollow portion and a first inner plug wrapper 17 that covers the first filling layer 16.
- the center hole segment 12 has a function of increasing the strength of the mouthpiece segment 11.
- the first filling layer 16 is, for example, an inner diameter ⁇ 5.0 to ⁇ 1.0 mm in which a cellulose acetate fiber is densely filled and a plasticizer containing triacetin is added in an amount of 6 to 20% by mass based on the mass of cellulose acetate and cured. It can be a rod.
- the first packing layer 16 Since the first packing layer 16 has a high fiber packing density, during suction, air and aerosol flow only through the hollow portion, and the first packing layer 16 hardly flows.
- the non-combustion heated smoking article 30 when it is desired to reduce the decrease due to the filtration of the aerosol component in the filter segment 13, shortening the length of the filter segment 13 and replacing it with the center hole segment 12 increases the delivery amount of the aerosol component. It is effective to let. Since the first filling layer 16 inside the center hole segment 12 is a fiber filling layer, the touch feeling from the outside during use rarely gives the user a feeling of strangeness.
- the filter segment 13 includes a second filling layer 18 and a second inner plug wrapper 19 that covers the second filling layer 18.
- the mouth end has an appearance similar to that of a normal burning smoking article.
- air and aerosol pass through the inside of the second packed layer 18, and a part of the aerosol is filtered.
- the second packed bed 18 can be, for example, a packed bed of cellulose acetate fibers.
- the center hole segment 12 and the filter segment 13 are connected by an outer plug wrapper 20.
- the outer plug wrapper 20 can be, for example, cylindrical paper.
- the tobacco-containing segment 10, the cooling segment 5, and the connected center hole segment 12 and filter segment 13 are connected by a mouthpiece lining paper 21. These connections can be made, for example, by coating the inner surface of the mouthpiece lining paper 21 with a glue such as vinyl acetate glue and winding the three segments.
- the length in the axial direction of the first embodiment of the non-combustion heated smoking article according to the present invention is not particularly limited, but is preferably 40 mm to 90 mm, and preferably 50 mm to 75 mm. More preferably, it is more preferably 50 mm to 60 mm.
- the peripheral length of the non-combustion heating type smoking article is preferably 16 mm to 25 mm, more preferably 20 mm to 24 mm, and further preferably 21 mm to 23 mm.
- the tobacco-containing segment 10 has a length of 20 mm
- the cooling segment 5 has a length of 20 mm
- the center hole segment 12 has a length of 8 mm
- the filter segment 13 has a length of 7 mm.
- each of these segments can be appropriately changed depending on the manufacturing suitability, the required quality, and the like. Furthermore, it is possible to function as the non-combustion heating smoking article 30 by disposing only the filter segment 13 on the downstream side of the cooling segment 5 without using the center hole segment 12. Further, the order of the cooling segment 5 and the center hole segment 12 may be exchanged. Further, from the viewpoint of the filterability of the aerosol, a center hole segment may be provided instead of the filter segment 13.
- FIG. 11 An example of the second embodiment of the non-combustion heating smoking article according to the present invention is shown in FIG.
- the non-combustion heated smoking article 30 shown in FIG. 11 includes a tobacco-containing segment 10 and a mouthpiece segment 11.
- the mouthpiece segment 11 comprises a first cooling segment 22, a second cooling segment 5 according to the invention and a center hole segment 12.
- filter segment 13 in the first embodiment since there is no filter segment having no hollow portion (filter segment 13 in the first embodiment), the filterability of aerosol can be further reduced.
- the tobacco-containing segment 10 and the center hole segment 12 can be the same as the tobacco-containing segment and the center hole segment in the first embodiment.
- the first cooling segment 22 is composed of a tubular member 23.
- the tubular member 23 can be, for example, a paper tube obtained by processing cardboard into a cylindrical shape.
- the cylindrical member 23 and the mouthpiece lining paper 21 are provided with perforations 24 penetrating them. Due to the presence of the perforations 24, ambient air is introduced into the first cooling segment 22 during suction. Thereby, the volatile component vaporized by heating the tobacco-containing segment 10 comes into contact with the outside air, and the temperature thereof can be lowered.
- the diameter (passage length) of the perforations 24 is not particularly limited, but may be, for example, 0.5 to 1.5 mm.
- the number of perforations 24 is not particularly limited, and may be one or two or more. For example, a plurality of perforations 24 may be provided on the circumference of the first cooling segment 22.
- the length of the second embodiment of the non-combustion heating smoking article according to the present invention in the axial direction, that is, the horizontal direction in FIG. 11 is not particularly limited, but is preferably 40 mm to 90 mm, and preferably 50 mm to 75 mm. More preferably, it is more preferably 50 mm to 60 mm. Further, the peripheral length of the non-combustion heating type smoking article is preferably 16 mm to 25 mm, more preferably 20 mm to 24 mm, and further preferably 21 mm to 23 mm.
- the tobacco-containing segment 10 has a length of 20 mm
- the first cooling segment 22 has a length of 20 mm
- the second cooling segment 5 has a length of 8 mm
- the center hole segment 12 has a length of 7 mm.
- the length of each of these segments can be appropriately changed depending on the manufacturing suitability, the required quality, and the like.
- a non-combustion heating smoking system includes the non-combustion heating smoking article according to the present invention, and a heating device for heating the tobacco-containing segment. Since the non-combustion heating smoking system includes the non-combustion heating smoking article according to the present invention, it has high cooling performance for aerosol vaporization components and low aerosol filterability.
- the non-combustion heating smoking system according to the present invention is not particularly limited as long as it includes the non-combustion heating smoking article according to the present invention and the heating device, and may have other configurations.
- the non-combustion heating smoking system shown in FIG. 8 includes a non-combustion heating smoking article 30 according to the first embodiment of the present invention, and a heating device 31 for heating the tobacco-containing segment of the non-combustion heating smoking article 30 from the outside.
- FIG. 8A shows a state before the non-combustion heated smoking article 30 is inserted into the heating device 31, and
- FIG. 8B shows a state where the non-combustion heated smoking article 30 is inserted into the heating device 31 and heated. ..
- the heating device 31 shown in FIG. 8 includes a body 32, a heater 33, a metal tube 34, a battery unit 35, and a control unit 36.
- the body 32 has a cylindrical recess 37, and the heater 33 and the metal tube 34 are provided on the inner side surface of the recess 37 at a position corresponding to the tobacco-containing segment of the non-combustion heating smoking article 30 inserted into the recess 37. It is arranged.
- the heater 33 may be a heater based on electric resistance, and electric power is supplied from the battery unit 35 in response to an instruction from the control unit 36 that controls the temperature to heat the heater 33. The heat generated by the heater 33 is transferred to the tobacco-containing segment of the non-combustion heated smoking article 30 through the metal tube 34 having high thermal conductivity.
- the heating device 31 heats the tobacco-containing segment of the non-combustion heated smoking article 30 from the outside, but may 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 lower, more preferably 150 ° C. or higher and 400 ° C. or lower, and further preferably 200 ° C. or higher and 350 ° C. or lower.
- the heating temperature refers to the temperature of the heater of the heating device.
- Example 1 (Preparation of polymer coated paper) A liquid prepared by dissolving 21 g of menthol in 9 g of ethanol was prepared (hereinafter referred to as liquid A). 45 g of PVA (Tg: 58 ° C., average degree of polymerization: 500, degree of saponification: 85 to 89 mol%) was dispersed and mixed in 116 g of water heated to 80 ° C. Liquid A was added to this while stirring sufficiently with a stirrer to prepare a dispersion liquid.
- liquid A liquid prepared by dissolving 21 g of menthol in 9 g of ethanol was prepared (hereinafter referred to as liquid A). 45 g of PVA (Tg: 58 ° C., average degree of polymerization: 500, degree of saponification: 85 to 89 mol%) was dispersed and mixed in 116 g of water heated to 80 ° C. Liquid A was added to this while stirring sufficiently with a stirrer to prepare a dispersion liquid.
- the dispersion is applied on one side to paper (trade name: 50NFB, made by Nippon Paper Papillia, basis weight: 50 g / m 2 , air permeability: 0CU, oil resistant paper) and dried at 60 to 90 ° C.
- a polymer-coated paper on which a polymer layer having a thickness of 20 to 30 ⁇ m was formed was obtained.
- the cross section of the polymer layer was observed by SEM, it was confirmed that the polymer layer had a porous structure.
- the polymer-coated paper was wrinkled and molded in order to narrow it into a rod shape.
- non-combustion heated smoking article 30 was prepared.
- the non-combustion heating smoking article 30 is the same as the non-combustion heating smoking article 30 shown in FIG. 7 except that the order of the cooling segment 5 and the center hole segment 12 is changed in the non-combustion heating smoking article 30 shown in FIG. 7. It has a segment structure of.
- the portion corresponding to the tobacco-containing segment of the non-combustion heated smoking article contains tobacco and glycerin as an aerosol-generating base material.
- a gathered film of polylactic acid is arranged in a portion corresponding to the cooling segment of the non-combustion heated smoking article.
- a film made of polylactic acid arranged in a portion corresponding to the cooling segment of the non-combustion heated smoking article is taken out, and the polymer coated paper after molding produced instead is arranged to obtain a non-combustion heated smoking article for evaluation. Obtained.
- the surface area per 1 mm in the axial direction of the portion corresponding to the cooling segment on the polymer layer-formed surface of the polymer-coated paper was 106 mm 2 .
- thermocouple (trade name: Type K 0.5 mm ⁇ , manufactured by Chino Co., Ltd.) was inserted immediately before and after the portion corresponding to the cooling segment of the non-combustion heated smoking article for evaluation.
- the temperature detected by the thermocouple inserted immediately before the portion corresponding to the cooling segment is the cooling segment inlet temperature
- the temperature detected by the thermocouple inserted immediately after the portion corresponding to the cooling segment is the cooling segment outlet temperature. Shown respectively.
- a portion corresponding to the tobacco-containing segment of the non-combustion heating smoking article for evaluation is about It was heated at 350 ° C. and suctioned. Suction was performed at 55 ml / 2 seconds per puff (1 puff is at intervals of 30 seconds, that is, suction for 2 seconds and wait for 28 seconds), and a total of 10 puffs were performed.
- the cooling segment inlet temperature and the cooling segment outlet temperature were measured for each puff, and the average value of 10 times was calculated (shown as the average inlet temperature and the average outlet temperature, respectively). The average outlet temperature was 63.6 ° C.
- the cooling efficiency per unit area which is calculated by dividing the temperature ( ⁇ T (° C.)) lowered by cooling by the surface area (cm 2 ) of the polymer layer-formed surface of the polymer-coated paper, is 0.43 ° C./cm. It was 2 .
- ⁇ T (° C) is a value obtained by subtracting the average outlet temperature from the average inlet temperature.
- Suction was performed based on the CIR method (Canadian forced smoking condition method) at 55 ml / 2 seconds per puff (30 seconds per 1 puff, that is, suction for 2 seconds and wait for 28 seconds) for a total of 10 puffs.
- the amount of glycerin and menthol collected by the Cambridge Filter Pad for each puff was quantified. Specifically, the collected components were extracted by shaking with isopropanol (IPA) 10 ml as an extraction solvent for 20 minutes under the condition of 200 rpm.
- IPA isopropanol
- the obtained extract was subjected to GC analysis under the following conditions to quantify the amounts of glycerin and menthol for each puff.
- Inlet temperature 240 °C Oven temperature: Hold at 150 ° C for 1.3 minutes, then raise to 70 ° C / min up to 240 ° C and hold for 5 minutes
- the amount of glycerin for each puff is shown in FIG. 9, and the amount of menthol is shown in FIG.
- Example 1 A commercially available non-combustion heated smoking article (trade name: IQOS Menthol, manufactured by Philip Morris) was prepared.
- the non-combustion heating smoking article 30 is the same as the non-combustion heating smoking article 30 shown in FIG. 7 except that the order of the cooling segment 5 and the center hole segment 12 is changed in the non-combustion heating smoking article 30 shown in FIG. 7. It has a segment structure of.
- the portion of the non-combustion heated smoking article that corresponds to the tobacco-containing segment comprises tobacco, glycerin as an aerosol-generating substrate, and menthol as a volatile perfume ingredient. Further, a film made of polylactic acid is gathered in a portion corresponding to a cooling segment of the non-combustion heated smoking article.
- the surface area per 1 mm in the axial direction of the portion corresponding to the cooling segment on the polymer layer forming surface of the film made of polylactic acid was 220 mm 2 .
- the amount of menthol contained in the non-combustion heated smoking article (6 mg / 1 bottle) is smaller than the amount of menthol contained in the non-combustion heated smoking article for evaluation (12 mg / 1 bottle) produced in Example 1.
- Example 2 Except for using the non-combustion heated smoking article, heating and suction were carried out in the same manner as in Example 1 to evaluate cooling performance and aerosol filterability.
- the average outlet temperature was 59.2 ° C.
- the cooling efficiency per unit area was 0.26 ° C / mm 2 .
- the amount of glycerin for each puff is shown in FIG. 9, and the amount of menthol is shown in FIG.
- the surface area of the film made of polylactic acid was calculated on the assumption that the polymer layer was formed on one surface.
- Example 1 In the evaluation of cooling performance, in Example 1 using polymer-coated paper, the average outlet temperature was almost the same as that of Comparative Example 1 in which a film made of polylactic acid was used. However, since the surface area of the polymer-coated paper was smaller than that of the film made of polylactic acid, the cooling efficiency per unit area was higher in Example 1.
- Example 1 since the surface area was small, the porosity was high in the cooling segment, and as shown in FIG. 9, the amount of glycerin supplied was large, that is, the filterability of the aerosol was low. Further, in Example 1, the menthol was stably supplied throughout the suction as shown in FIG. 10 without volatilizing the menthol before use.
- Example 2 Preparation of non-combustion heated smoking article for evaluation
- a commercially available non-combustion heated smoking article (trade name: Bloom S, manufactured by Japan Tobacco Inc.) was prepared.
- the non-combustion heated smoking article is the same as the non-combustion heated smoking article 30 shown in FIG. 11, except that the second cooling segment 5 is replaced with a center hole segment and the center hole segment 12 is replaced with a cellulose acetate fiber-filled filter segment.
- the center hole segment was replaced with the cooling segment filled with the polymer coated paper prepared in Example 1.
- the filter segment was replaced with a center hole segment having a hollow portion with a diameter of 1.5 mm.
- the tobacco-containing segment 10 had a length of 20 mm
- the first cooling segment 22 had a length of 20 mm
- the second cooling segment 5 had a length of 8 mm
- the center hole segment 12 had a length of 7 mm.
- thermocouple was provided at a position 7 mm downstream (user side) from the mouth end face of the non-combustion heated smoking article for evaluation, and the vapor temperature was measured.
- a heating device commercial name: Ploom S, manufactured by Japan Tobacco Inc.
- a portion corresponding to the tobacco-containing segment of the non-combustion heating smoking article for evaluation was set to 230. It was heated at 0 ° C. and suctioned. Suction was performed at 55 ml / 2 sec per puff (30 sec intervals for 1 puff, that is, suction for 2 sec and wait for 28 sec), and a total of 8 puffs were performed.
- the maximum vapor temperature measured by the thermocouple is shown in FIG.
- Suction was performed based on the CIR method (Canada forced smoking condition method) at 55 ml / 2 seconds per puff (30 seconds for 1 puff, that is, suction for 2 seconds and wait for 28 seconds) for a total of 8 puffs.
- the glycerin and nicotine captured by the Cambridge Filter Pad were quantified for each puff.
- Glycerin and nicotine were quantified by the same method as in Example 1. The amount of glycerin for each puff is shown in FIG. 13, and the amount of nicotine is shown in FIG.
- Example 3 A polymer-coated paper was produced in the same manner as in Example 1 except that menthol was not added.
- a non-combustion heated smoking article for evaluation was prepared in the same manner as in Example 2 except that the polymer-coated paper was used, and the cooling performance and aerosol filterability were evaluated. The evaluation results are shown in FIGS.
- Example 2 A non-combustion heated smoking article for evaluation was prepared in the same manner as in Example 2 except that the paper used in the preparation of the polymer-coated paper of Example 1 was used as it was instead of the polymer-coated paper, and the cooling performance was evaluated. An evaluation was made. The evaluation result is shown in FIG.
- Example 3 A commercially available non-combustion heated smoking article (trade name: Bloom S, manufactured by Japan Tobacco Inc.) was prepared.
- the non-combustion heated smoking article is the same as the non-combustion heated smoking article 30 shown in FIG. 11, except that the second cooling segment 5 is replaced with a center hole segment and the center hole segment 12 is replaced with a cellulose acetate fiber-filled filter segment.
- the center hole segment was replaced with a center hole segment having a hollow portion with a diameter of 1.5 mm.
- the filter segment was replaced with a center hole segment having a hollow portion with a diameter of 4.5 mm.
Abstract
Description
本発明に係る冷却セグメントは、ポリマー塗工紙を含む非燃焼加熱喫煙物品用の冷却セグメントである。前記ポリマー塗工紙は、紙と、前記紙上に設けられたポリマーを含むポリマー層と、を含む。冷却セグメントとは、非燃焼加熱喫煙物品において、たばこ含有セグメントより吸い口端側に位置し、エアロゾル気化成分を冷却するセグメントを示す。
本発明に係るポリマー塗工紙は、紙と、前記紙上に設けられたポリマーを含むポリマー層と、を含む。本発明に係るポリマー塗工紙の一例を図1に示す。図1に示されるポリマー塗工紙3は、紙1上にポリマー層2が設けられている。なお、図1ではポリマー層はポリマー塗工紙の一方の面にのみ設けられているが、ポリマー層はポリマー塗工紙の両方の面に設けられていてもよい。
本発明に係る冷却セグメントは、前述した本発明に係るポリマー塗工紙を含めば特に限定されない。以下、具体的な実施形態を示すが、本発明に係る冷却セグメントはこれらに限定されない。
本発明に係る冷却セグメントの製造方法は、紙上にポリマーを含む塗工液を塗布してポリマー塗工紙を製造する工程を備える。前記方法によれば、本発明に係る冷却セグメントを好適に製造することができる。
本発明に係る非燃焼加熱喫煙物品は、たばこ含有セグメントと、本発明に係る冷却セグメントと、を備える。前記非燃焼加熱喫煙物品は本発明に係る冷却セグメントを備えるため、エアロゾル気化成分の冷却性能が高く、かつ、エアロゾルの濾過性が低い。本発明に係る非燃焼加熱喫煙物品は、たばこ含有セグメント及び冷却セグメント以外にも、他のセグメントを有していてもよい。
本発明に係る非燃焼加熱喫煙物品の第一の実施形態の一例を図7に示す。図7に示される非燃焼加熱喫煙物品30は、たばこ含有セグメント10と、マウスピースセグメント11とを備える。マウスピースセグメント11は、本発明に係る冷却セグメント5と、センターホールセグメント12と、フィルターセグメント13とを備える。喫煙時、たばこ含有セグメント10が加熱され、フィルターセグメント13の端部より吸引が行われる。なお、冷却セグメント5の位置は図7に示される位置に限定されず、マウスピースセグメント11のいずれのセグメントであってもよい。
本発明に係る非燃焼加熱喫煙物品の第二の実施形態の一例を図11に示す。図11に示される非燃焼加熱喫煙物品30は、たばこ含有セグメント10と、マウスピースセグメント11とを備える。マウスピースセグメント11は、第一の冷却セグメント22と、本発明に係る第二の冷却セグメント5と、センターホールセグメント12とを備える。本実施形態では中空部を有さないフィルターセグメント(第一の実施形態におけるフィルターセグメント13)が存在しないため、エアロゾルの濾過性をより低減することができる。たばこ含有セグメント10及びセンターホールセグメント12は、第一の実施形態におけるたばこ含有セグメント及びセンターホールセグメントと同様であることができる。
本発明に係る非燃焼加熱喫煙システムは、本発明に係る非燃焼加熱喫煙物品と、たばこ含有セグメントを加熱する加熱装置と、を備える。前記非燃焼加熱喫煙システムは本発明に係る非燃焼加熱喫煙物品を備えるため、エアロゾル気化成分の冷却性能が高く、かつ、エアロゾルの濾過性が低い。本発明に係る非燃焼加熱喫煙システムは、本発明に係る非燃焼加熱喫煙物品と、前記加熱装置とを備えれば特に限定されず、他の構成を有していてもよい。
(ポリマー塗工紙の作製)
メンソール21gをエタノール9gに溶解した液を用意した(以下、液Aと示す)。PVA(Tg:58℃、平均重合度:500、けん化度:85~89モル%)45gを80℃に加熱した水116gに分散混合した。この中にスターラーにて十分撹拌しながら液Aを添加して分散液を調製した。該分散液を紙(商品名:50NFB、日本製紙パピリア製、坪量:50g/m2、通気度:0CU、耐油紙)上に片面塗布し、60~90℃で乾燥することで、紙上に厚さ20~30μmのポリマー層が形成されたポリマー塗工紙を得た。該ポリマー層の断面をSEMで観察したところ、該ポリマー層は多孔質構造を有することが確認された。該ポリマー塗工紙を棒状に絞り込むために、皺付けし成形した。
市販の非燃焼加熱喫煙物品(商品名:IQOS regular、フィリップ・モリス社製)を準備した。該非燃焼加熱喫煙物品は、図7に示される非燃焼加熱喫煙物品30において、冷却セグメント5とセンターホールセグメント12の順序が入れ替わっている以外は、図7に示される非燃焼加熱喫煙物品30と同様のセグメント構成を有する。該非燃焼加熱喫煙物品のたばこ含有セグメントに相当する部分は、たばこ、エアロゾル生成基材としてのグリセリンを含む。また、該非燃焼加熱喫煙物品の冷却セグメントに相当する部分には、ポリ乳酸からなるフィルムがギャザーされたものが配置されている。
前記評価用の非燃焼加熱喫煙物品の、冷却セグメントに相当する部分の直前及び直後に熱電対(商品名:Type K 0.5mmΦ、(株)チノー製)を挿入した。冷却セグメントに相当する部分の直前に挿入された熱電対により検出される温度を冷却セグメント入口温度、冷却セグメントに相当する部分の直後に挿入された熱電対により検出される温度を冷却セグメント出口温度とそれぞれ示す。前記市販の非燃焼加熱喫煙物品に対応した加熱装置(商品名:IQOS2.4、フィリップ・モリス社製)を用いて、前記評価用の非燃焼加熱喫煙物品のたばこ含有セグメントに相当する部分を約350℃で加熱し、吸引を行った。吸引は1パフ当たり55ml/2秒とし(1パフは30秒間隔、すなわち2秒間吸引して28秒間待機すること)、計10パフ行った。パフ毎に冷却セグメント入口温度と冷却セグメント出口温度を測定し、10回の平均値をそれぞれ算出した(それぞれ平均入口温度、平均出口温度と示す)。平均出口温度は63.6℃であった。また、冷却により低下した温度(ΔT(℃))をポリマー塗工紙のポリマー層形成面の表面積(cm2)で割って算出される、単位面積当たりの冷却効率は、0.43℃/cm2であった。なお、ΔT(℃)は、平均入口温度から平均出口温度を差し引いた値である。
前記評価用の非燃焼加熱喫煙物品の吸い口端の直後に、Glass Fiber Filter(ガラス繊維フィルター)(商品名:Cambridge Filter 44mm、Borgwaldt社製)を配置した。前記市販の非燃焼加熱喫煙物品に対応した加熱装置(商品名:IQOS2.4、フィリップ・モリス社製)を用いて、前記評価用の非燃焼加熱喫煙物品のたばこ含有セグメントに相当する部分を350℃で加熱し、吸引を行った。吸引は、CIR法(カナダ強制喫煙条件法)に基づき、1パフ当たり55ml/2秒とし(1パフは30秒間隔、すなわち2秒間吸引して28秒間待機すること)、計10パフ行った。パフ毎にCambridge Filter Padで捕集されたグリセリン及びメンソールの量を定量した。具体的には、捕集された成分をイソプロパノール(IPA) 10mlを抽出溶媒とし、20分間、200rmpの条件で振とう抽出した。得られた抽出液を以下の条件でGC分析し、パフ毎にグリセリン及びメンソール量を定量した。
注入口温度:240℃
オーブン温度:150℃で1.3分間保持後、70℃/minで240℃まで昇温し、5分間保持
カラム:商品名:DB-WAX 10m×0.18mm×0.18μm、Agilent社製
検出器:FID
パフ毎のグリセリン量を図9に、メンソール量を図10にそれぞれ示す。
市販の非燃焼加熱喫煙物品(商品名:IQOS Menthol、フィリップ・モリス社製)を準備した。該非燃焼加熱喫煙物品は、図7に示される非燃焼加熱喫煙物品30において、冷却セグメント5とセンターホールセグメント12の順序が入れ替わっている以外は、図7に示される非燃焼加熱喫煙物品30と同様のセグメント構成を有する。該非燃焼加熱喫煙物品のたばこ含有セグメントに相当する部分は、たばこ、エアロゾル生成基材としてのグリセリン、及び揮発性香料成分としてのメンソールを含む。また、該非燃焼加熱喫煙物品の冷却セグメントに相当する部分には、ポリ乳酸からなるフィルムがギャザーされたものが配置されている。前記ポリ乳酸からなるフィルムのポリマー層形成面の、冷却セグメントに相当する部分の軸方向1mm当たりの表面積は、220mm2である。なお、該非燃焼加熱喫煙物品に含まれるメンソール量(6mg/1本)は、実施例1で作製した評価用の非燃焼加熱喫煙物品に含まれるメンソール量(12mg/1本)よりも少ない。
(評価用の非燃焼加熱喫煙物品の作製)
市販の非燃焼加熱喫煙物品(商品名:Ploom S、日本たばこ産業株式会社製)を準備した。該非燃焼加熱喫煙物品は、図11に示される非燃焼加熱喫煙物品30において、第二の冷却セグメント5がセンターホールセグメントで置換され、センターホールセグメント12が酢酸セルロース繊維の充填されたフィルターセグメントで置換されている。該非燃焼加熱喫煙物品において、前記センターホールセグメントを、実施例1で作製されたポリマー塗工紙が充填された冷却セグメントで置換した。また、前記フィルターセグメントを、径が1.5mmの中空部を有するセンターホールセグメントで置換した。これにより、第二の冷却セグメント5内に実施例1で作製されたポリマー塗工紙が充填された、図11に示される非燃焼加熱喫煙物品30を作製した。たばこ含有セグメント10の長さは20mm、第一の冷却セグメント22の長さは20mm、第二の冷却セグメント5の長さは8mm、センターホールセグメント12の長さは7mmであった。
前記評価用の非燃焼加熱喫煙物品の吸口端面から7mm下流側(使用者側)の位置に熱電対を設け、蒸気温度を測定した。前記市販の非燃焼加熱喫煙物品に対応した加熱装置(商品名:Ploom S、日本たばこ産業株式会社製)を用いて、前記評価用の非燃焼加熱喫煙物品のたばこ含有セグメントに相当する部分を230℃で加熱し、吸引を行った。吸引は1パフ当たり55ml/2秒とし(1パフは30秒間隔、すなわち2秒間吸引して28秒間待機すること)、計8パフ行った。前記熱電対により測定される蒸気温度の最高温度を図12に示す。
前記評価用の非燃焼加熱喫煙物品の吸口端の直後に、Glass Fiber Filter(ガラス繊維フィルター)(商品名:Cambridge Filter 44mm、Borgwaldt社製)を配置した。前記市販の非燃焼加熱喫煙物品に対応した加熱装置(商品名:Ploom S、日本たばこ産業株式会社製)を用いて、前記評価用の非燃焼加熱喫煙物品のたばこ含有セグメントに相当する部分を230℃で加熱し、吸引を行った。吸引は、CIR法(カナダ強制喫煙条件法)に基づき、1パフ当たり55ml/2秒とし(1パフは30秒間隔、すなわち2秒間吸引して28秒間待機すること)、計8パフ行った。パフ毎にCambridge Filter Padで捕集されたグリセリン及びニコチンの定量を行った。グリセリン及びニコチンの定量は、実施例1と同様の方法により行った。パフ毎のグリセリン量を図13に、ニコチン量を図14にそれぞれ示す。
メンソールを添加しなかったこと以外は、実施例1と同様にポリマー塗工紙を作製した。該ポリマー塗工紙を用いた以外は、実施例2と同様に評価用の非燃焼加熱喫煙物品を作製し、冷却性能及びエアロゾルの濾過性の評価を行った。評価結果を図12~図14に示す。
ポリマー塗工紙の代わりに、実施例1のポリマー塗工紙の作製において使用した紙をそのまま用いた以外は、実施例2と同様に評価用の非燃焼加熱喫煙物品を作製し、冷却性能の評価を行った。評価結果を図12に示す。
市販の非燃焼加熱喫煙物品(商品名:Ploom S、日本たばこ産業株式会社製)を準備した。該非燃焼加熱喫煙物品は、図11に示される非燃焼加熱喫煙物品30において、第二の冷却セグメント5がセンターホールセグメントで置換され、センターホールセグメント12が酢酸セルロース繊維の充填されたフィルターセグメントで置換されている。該非燃焼加熱喫煙物品において、前記センターホールセグメントを、径が1.5mmの中空部を有するセンターホールセグメントで置換した。また、前記フィルターセグメントを、径が4.5mmの中空部を有するセンターホールセグメントで置換した。得られた評価用の非燃焼加熱喫煙物品を用いて、実施例2と同様に冷却性能及びエアロゾルの濾過性の評価を行った。評価結果を図12~図14に示す。
市販の非燃焼加熱喫煙物品(商品名:Ploom S、日本たばこ産業株式会社製)を評価用の非燃焼加熱喫煙物品としてそのまま用いて、実施例2と同様に冷却性能及びエアロゾルの濾過性の評価を行った。評価結果を図12~図14に示す。
2 ポリマー層
3 ポリマー塗工紙
4 ラッパー
5 冷却セグメント(第二の冷却セグメント)
10 たばこ含有セグメント
11 マウスピースセグメント
12 センターホールセグメント
13 フィルターセグメント
14 たばこ充填物
15 ラッパー
16 第一の充填層
17 第一のインナープラグラッパー
18 第二の充填層
19 第二のインナープラグラッパー
20 アウタープラグラッパー
21 マウスピースライニングペーパー
22 第一の冷却セグメント
23 筒状部材
24 穿孔
30 非燃焼加熱喫煙物品
31 加熱装置
32 ボディ
33 ヒーター
34 金属管
35 電池ユニット
36 制御ユニット
37 凹部
Claims (13)
- 紙と、前記紙上に設けられたポリマーを含むポリマー層と、を含むポリマー塗工紙を含む非燃焼加熱喫煙物品用の冷却セグメント。
- 前記ポリマー層が、さらに揮発性香料成分及びエアロゾル生成基材の少なくとも一方を含む請求項1に記載の冷却セグメント。
- 前記ポリマーのガラス転移温度が400℃以下である請求項1又は2に記載の冷却セグメント。
- 前記ポリマー層が多孔質構造を有する請求項1から3のいずれか一項に記載の冷却セグメント。
- 前記ポリマー塗工紙がギャザーされて前記冷却セグメント内に配置されており、前記ギャザーにより形成された溝が前記冷却セグメントの軸方向に延びている請求項1から4のいずれか一項に記載の冷却セグメント。
- 前記ポリマー塗工紙の前記ポリマー層形成面が、前記冷却セグメントの軸方向1mm当たり100から280mm2の表面積を有する請求項5に記載の冷却セグメント。
- 前記ポリマー塗工紙の一方又は両方の面に前記ポリマー層が設けられている請求項1から6のいずれか一項に記載の冷却セグメント。
- 矩形状の前記ポリマー塗工紙を複数含み、
前記矩形状のポリマー塗工紙の長手方向の長さが、前記冷却セグメントの径よりも長く、
前記矩形状のポリマー塗工紙の長手方向が、前記冷却セグメントの軸方向と略平行となるように配置されている請求項1から7のいずれか一項に記載の冷却セグメント。 - ストランド状の前記ポリマー塗工紙を複数含み、
前記ストランド状のポリマー塗工紙の長手方向の長さが、前記冷却セグメントの径よりも短く、
前記複数のストランド状のポリマー塗工紙が、前記冷却セグメント内に充填されている請求項1から7のいずれか一項に記載の冷却セグメント。 - たばこ含有セグメントと、請求項1から9のいずれか一項に記載の冷却セグメントと、を備える非燃焼加熱喫煙物品。
- 請求項10に記載の非燃焼加熱喫煙物品と、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喫煙システム。
- 前記加熱装置による加熱温度が400℃以下である請求項11に記載の非燃焼加熱喫煙システム。
- 前記紙上に前記ポリマーを含む塗工液を塗布して前記ポリマー塗工紙を製造する工程を備える請求項1から9のいずれか一項に記載の冷却セグメントの製造方法。
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CN109288123B (zh) * | 2018-08-24 | 2021-08-20 | 湖南中烟工业有限责任公司 | 一种降温嘴棒及卷烟 |
CN109588771B (zh) * | 2018-12-26 | 2020-09-11 | 湖南中烟工业有限责任公司 | 一种降温嘴棒、发烟制品及应用 |
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2019
- 2019-11-12 KR KR1020217012621A patent/KR20210063422A/ko not_active Application Discontinuation
- 2019-11-12 EP EP19884909.3A patent/EP3881688B1/en active Active
- 2019-11-12 CN CN201980075476.2A patent/CN113038844A/zh active Pending
- 2019-11-12 WO PCT/JP2019/044305 patent/WO2020100884A1/ja unknown
- 2019-11-12 JP JP2020555714A patent/JP7197604B2/ja active Active
- 2019-11-14 TW TW108141385A patent/TW202037290A/zh unknown
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JP2013532953A (ja) * | 2010-07-30 | 2013-08-22 | 日本たばこ産業株式会社 | 無煙型香味吸引具 |
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WO2023216330A1 (zh) * | 2022-05-10 | 2023-11-16 | 乐智有限公司 | 加热不燃烧烟弹 |
Also Published As
Publication number | Publication date |
---|---|
EP3881688B1 (en) | 2024-04-10 |
KR20210063422A (ko) | 2021-06-01 |
TW202037290A (zh) | 2020-10-16 |
JPWO2020100884A1 (ja) | 2021-09-02 |
CN113038844A (zh) | 2021-06-25 |
EP3881688A1 (en) | 2021-09-22 |
JP7197604B2 (ja) | 2022-12-27 |
EP3881688A4 (en) | 2022-09-28 |
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