WO2023033060A1 - 非燃焼加熱型香味吸引器用たばこシート及びその製造方法、非燃焼加熱型香味吸引器、並びに非燃焼加熱型香味吸引システム - Google Patents
非燃焼加熱型香味吸引器用たばこシート及びその製造方法、非燃焼加熱型香味吸引器、並びに非燃焼加熱型香味吸引システム Download PDFInfo
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Images
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
- A24B3/00—Preparing tobacco in the factory
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
-
- 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
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
-
- 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
-
- 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
- A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
-
- 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
- A24D1/20—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
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F47/00—Smokers' requisites not otherwise provided for
Definitions
- the present invention relates to a tobacco sheet for a non-combustion heating flavor inhaler, a manufacturing method thereof, a non-combustion heating flavor inhaler, and a non-combustion heating flavor inhalation system.
- a combustion-type flavor inhaler obtains flavor by burning tobacco fillings including leaf tobacco and tobacco sheets.
- Patent Literature 1 discloses a tobacco sheet used in a combustion type flavor inhaler.
- a non-combustion heating type flavor inhaler has been proposed that obtains flavor by heating a flavor source such as a tobacco sheet instead of burning it.
- the heating temperature of the non-combustion-heating 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 can be added to the flavor source in the non-combustion heating type flavor inhaler from the viewpoint of increasing the amount of smoke.
- the aerosol-generating agent is vaporized by heating to generate an aerosol. Since the aerosol is supplied to the user together with flavor components such as tobacco components, the user can obtain sufficient flavor.
- a non-combustion heating flavor inhaler can comprise, for example, a tobacco-containing segment filled with tobacco sheets or the like, a cooling segment, and a filter segment.
- the axial length of the tobacco-containing segment of the non-combustion-heating flavor inhaler is generally shorter than the axial length of the tobacco-containing segment of the normal combustion-type flavor inhaler in relation to the heating heater. Therefore, in the non-combustion heating type flavor inhaler, a large amount of tobacco sheets are filled in the short tobacco-containing segments in order to secure the amount of aerosol generated during heating.
- non-combustion heating type flavor inhalers usually use tobacco sheets with low swelling, that is, high density tobacco sheets.
- the swelling property is a value indicating the volume of a tobacco sheet having a predetermined mass when notches are compressed under a constant pressure for a certain period of time.
- the present inventors believe that if a tobacco sheet with low swelling (high density) is used, the total heat capacity of the tobacco-containing segment increases. It was found that the tobacco sheet filled in the tobacco-containing segment does not sufficiently contribute to the generation of aerosol depending on the heating method and the capacity of the heater. In order to solve this problem, it is conceivable to reduce the total heat capacity of the tobacco-containing segment.
- the present inventors (1) reduce the specific heat of the tobacco raw material contained in the tobacco sheet, and (2) use a highly bulky (low-density) tobacco sheet. I considered using it. However, as for (1), it is difficult to reduce the specific heat of the tobacco raw material itself, so it was considered effective to reduce the total heat capacity of the tobacco-containing segment by (2). Therefore, it is desired to develop a highly bulky (low density) tobacco sheet suitable for non-combustion heating type flavor inhalers.
- An object of the present invention is to provide a highly bulky non-combustion heating flavor inhaler tobacco sheet, a non-combustion heating flavor inhaler including the tobacco sheet, and a non-combustion heating flavor inhalation system.
- a tobacco sheet for a non-combustion heating type flavor inhaler comprising a tobacco raw material, the tobacco sheet having a wavy cross section in the thickness direction of the tobacco sheet.
- Aspect 2 The tobacco raw material is a dry tobacco material, further comprising an aerosol-generating agent; A sheet according to aspect 1, having a moisture content of greater than 5% and up to 7.5% by weight.
- Aspect 3 3. The sheet of aspect 2, wherein the aerosol-generating agent is a mixture of glycerin and propylene glycol.
- Aspect 4 The tobacco raw material is a dry tobacco material, comprising less than 20% by weight of an aerosol-generating agent in the sheet; The sheet according to aspect 1, having a moisture content of 3-5% by weight.
- Aspect 5 The sheet of aspect 4, wherein the aerosol-generating agent is a mixture of propylene glycol and glycerin.
- Aspect 6 A non-combustion heating flavor inhaler comprising a tobacco-containing segment comprising the tobacco sheet for a non-combustion heating flavor inhaler according to any one of aspects 1 to 5.
- Aspect 7 A non-combustion heated flavor inhaler according to aspect 6; a heating device for heating the tobacco-containing segment; A non-combustion heated flavor suction system.
- a method for producing a tobacco sheet for a non-combustion heating type flavor inhaler comprising: preparing a mixture comprising a tobacco raw material, an aerosol-generating agent, a first shaping agent and a second shaping agent; rolling the mixture to form a rolled article; A step of pressing a rotary roll blade against the rolled product to cut it into strips while imparting a corrugated shape; How to prepare.
- the present invention it is possible to provide a highly bulky non-combustion heating flavor inhaler tobacco sheet, a non-combustion heating flavor inhaler including the tobacco sheet, and a non-combustion heating flavor inhalation system.
- FIG. 1 is a cross-sectional view in the thickness direction showing an example of a tobacco sheet according to this embodiment;
- FIG. It is a sectional view showing an example of a non-combustion heating type flavor inhaler concerning this embodiment.
- An example of the non-combustion heating flavor inhalation system according to the present embodiment in which (a) the state before the non-combustion heating flavor inhaler is inserted into the heating device, and (b) the non-combustion heating flavor inhaler is heated. It is sectional drawing which shows the state which inserts into an apparatus and heats.
- FIG. 2 schematically shows the production of dry tobacco filler. It is a perspective view showing an example of a non-combustion heating type flavor inhaler.
- FIG. 6 is a perspective view showing an open state of the cigarette pack of Fig. 5;
- 2 is a graph showing the relationship between the heating time of a microwave oven and the moisture content of the tobacco filler, and the relationship between the heating time of the microwave oven and the surface temperature of the tobacco filler.
- 4 is a graph showing the relationship between the amount of silica gel and the moisture content of tobacco filler. 4 is a graph showing the relationship between tobacco filler moisture content and mainstream smoke temperature, and the relationship between tobacco filler moisture content and chip temperature.
- 1 is a graph showing the relationship between the moisture content of a tobacco filler and the nicotine content in the tobacco filler.
- 1 is a graph showing the relationship between the moisture content of a tobacco filler and the content of glycerin in the tobacco filler.
- 4 is a graph showing the relationship between the moisture content of tobacco fillers and the content of propylene glycol in tobacco fillers.
- 3 is a graph showing the relationship between the heating time of the microwave oven and the moisture content of the tobacco filler, and the relationship between the heating time of the microwave oven and the surface temperature of the tobacco filler.
- 4 is a graph showing the relationship between the amount of silica gel and the moisture content of tobacco filler.
- 1 is a graph showing the relationship between tobacco filler moisture content and mainstream smoke temperature, and the relationship between tobacco filler moisture content and chip temperature.
- 1 is a graph showing the relationship between the moisture content of tobacco fillers and the nicotine content in mainstream smoke.
- 1 is a graph showing the relationship between the moisture content of tobacco fillers and the glycerin content in mainstream smoke.
- 1 is a graph showing the relationship between the moisture content of tobacco fillers and the content of propylene glycol in mainstream smoke.
- 1 is a graph showing the relationship between the content of an aerosol-generating agent in tobacco filler and the content of components in mainstream smoke.
- 1 is a graph showing the relationship between the content of glycerin in tobacco filler and the content of components in mainstream smoke.
- 1 is a graph showing the relationship between the content of an aerosol-generating agent in tobacco filler and the content of components in mainstream smoke.
- 1 is a graph showing the relationship between the content of propylene glycol in tobacco filler and the content of components in mainstream smoke.
- a tobacco sheet for a non-combustion heating type flavor inhaler (hereinafter also referred to as a "tobacco sheet") according to the present embodiment contains tobacco raw material, and has a wavy cross-section in the thickness direction of the tobacco sheet. Since the tobacco sheet according to the present embodiment has a corrugated cross-sectional shape in the thickness direction, it is bulky and has a high swelling property. Therefore, by using the tobacco sheet according to the present embodiment, the total heat capacity of the tobacco-containing segment can be reduced, and the tobacco sheet filled in the tobacco-containing segment can sufficiently contribute to aerosol generation.
- the tobacco sheet according to the present embodiment preferably further contains an aerosol-generating agent and one or more molding agents. improve more.
- the tobacco sheet according to this embodiment has a wavy cross section in the thickness direction. That is, when the tobacco sheet according to the present embodiment is cut in the thickness direction in one plane direction, the cross section has a corrugated shape.
- the plane direction may be, for example, the longitudinal direction or the lateral direction of the tobacco sheet.
- the “wavy shape” is not particularly limited as long as it has a shape that undulates vertically, and the crests of the waves may have a straight shape or a curved shape. Also, the waves may be regular or irregular.
- Fig. 1 shows an example of the cross-sectional shape in the thickness direction of the tobacco sheet according to this embodiment.
- the tobacco sheet 1 shown in FIG. 1 has waves 2 in a cross-section in the thickness direction.
- the width w1 of the wave 2 is not particularly limited, it is preferably within the range of 0.1 to 10.0 mm.
- the height w2 of the wave 2 is not particularly limited, but is preferably within the range of 0.1 to 5.0 mm.
- the thickness w3 of the tobacco sheet 1 is preferably within the range of 100-1000 ⁇ m.
- the waves 2 may have a sawtooth shape 3 .
- the size of the tobacco sheet according to the present embodiment in the planar direction is not particularly limited, but may be, for example, length: 5.0 to 40.0 mm and width: 0.5 to 2.0 mm.
- the tobacco raw material contained in the tobacco sheet according to the present embodiment is not particularly limited as long as it contains tobacco components, and examples thereof include tobacco powder and tobacco extract.
- Tobacco powder includes, for example, leaf tobacco, core bones, residual stems, and the like. These may be used alone or in combination of two or more. By chopping these into a predetermined size, they can be used as tobacco powder.
- the size of the tobacco powder it is preferable that the cumulative 90% particle size (D90) in the volume-based particle size distribution measured by the dry laser diffraction method is 200 ⁇ m or more from the viewpoint of further improving the swelling property.
- the tobacco powder content in 100% by mass of the tobacco sheet is preferably 45 to 95% by mass, more preferably 50 to 93% by mass, and more preferably 60 to 85% by mass. % is more preferred.
- the tobacco extract for example, leaf tobacco is crushed, mixed and stirred with a solvent such as water to extract a water-soluble component from the leaf tobacco, and the resulting water extract is dried under reduced pressure and concentrated. Tobacco extracts obtained may be mentioned.
- the tobacco sheet according to this embodiment preferably further contains an aerosol-generating agent.
- Aerosol-generating agents include, for example, glycerin, propylene glycol, 1,3-butanediol and the like. These may be used alone or in combination of two or more.
- the ratio of the aerosol-generating agent contained in 100% by mass of the tobacco sheet is preferably 4 to 50% by mass.
- the proportion of the aerosol-generating agent is 4% by mass or more, sufficient aerosol can be generated during heating from the viewpoint of quantity.
- the proportion of the aerosol generating agent is 50% by mass or less, sufficient aerosol can be generated during heating from the viewpoint of heat capacity.
- the proportion of the aerosol generating agent is more preferably 6 to 40% by mass, even more preferably 8 to 30% by mass, and particularly preferably 10 to 20% by mass.
- the tobacco sheet according to the present embodiment preferably further contains a molding agent from the viewpoint of shape retention.
- the tobacco sheet according to the present embodiment has the first molding agent and the second molding agent from the viewpoint of being able to sufficiently achieve both the retention performance of the aerosol generating agent and the retention performance of the corrugated shape of the tobacco sheet.
- the first molding agent and the second molding agent may be of different types, or the types of molding agents may be the same but the forms may be different.
- the first molding agent include polysaccharides, proteins, synthetic polymers and the like. Examples of polysaccharides include cellulose derivatives and naturally occurring polysaccharides.
- Cellulose derivatives include, for example, cellulose ethers such as methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxymethylethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, benzylcellulose, tritylcellulose, cyanoethylcellulose, carboxymethylcellulose, carboxyethylcellulose, aminoethylcellulose; Organic acid esters such as cellulose, cellulose formate, cellulose propionate, cellulose butyrate, cellulose benzoate, cellulose phthalate, and tosyl cellulose; and inorganic acid esters such as cellulose nitrate, cellulose sulfate, cellulose phosphate, and cellulose xanthate. be done.
- cellulose ethers such as methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxymethylethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, benzylcellulose, tritylcellulose
- Naturally-derived polysaccharides include guar gum, tara gum, roasted bean gum, tamarind seed gum, pectin, arabic gum, tragacanth gum, karaya gum, gutti gum, arabinogalactan, amaseed gum, cascha gum, psyllium seed gum, and mugwort seed gum.
- plant-derived polysaccharides agar, alginic acid, propylene glycol alginate, furcelleran, algae-derived polysaccharides such as fukuronori extract; xanthan gum, gellan gum, curdlan, pullulan, Agrobacterium succinoglycan, welan gum, macro Microorganism-derived polysaccharides such as homopsis gum and rhamzan gum; crustacean-derived polysaccharides such as chitin, chitosan, and glucosamine; and starches such as starch, sodium starch glycolate, pregelatinized starch, and dextrin.
- proteins examples include grain proteins such as wheat gluten and rye gluten.
- Synthetic polymers include, for example, polyphosphoric acid, sodium polyacrylate, polyvinylpyrrolidone, and the like.
- the second molding agent although different from the first molding agent, the same polysaccharides, proteins, synthetic polymers, etc. as those of the first molding agent can be used.
- the ratio of the first molding agent contained in 100% by mass of the tobacco sheet is preferably 0.1 to 15% by mass.
- the ratio of the first molding agent is 0.1% by mass or more, the raw material mixture can be easily molded into a sheet. Further, since the ratio of the first molding agent is 15% by mass or less, it is possible to sufficiently use other raw materials for securing the functions required for the tobacco-containing segment of the non-combustion heating type flavor inhaler.
- the proportion of the first molding agent is more preferably 0.1 to 12% by mass, even more preferably 0.1 to 10% by mass, particularly 0.1 to 7% by mass. preferable.
- the ratio of the second molding agent contained in 100% by mass of the tobacco sheet is preferably 0.1 to 15% by mass.
- the ratio of the second molding agent is 0.1% by mass or more, the raw material mixture can be easily molded into a sheet. Further, since the ratio of the second molding agent is 15% by mass or less, it is possible to sufficiently use other raw materials for securing the functions required for the tobacco-containing segment of the non-combustion heating type flavor inhaler.
- the proportion of the second molding agent is more preferably 0.1 to 12% by mass, even more preferably 0.1 to 10% by mass, particularly 0.1 to 7% by mass. preferable.
- the first molding agent and the second molding agent are the same type of molding agent but different in form
- the first molding agent may be powder and the second molding agent may be solution or slurry.
- a molding agent is directly mixed as a powder as a first molding agent, and a molding agent is dispersed or swollen in a solvent such as water and mixed as a second molding agent. can be done.
- a solvent such as water
- the tobacco sheet according to this embodiment may further contain a reinforcing agent from the viewpoint of further improving physical properties.
- a reinforcing agent include fibrous substances such as fibrous pulp and fibrous synthetic cellulose, and liquid substances such as pectin suspension having a surface coating function that forms a film when dried. These may be used alone or in combination of two or more.
- the proportion of the reinforcing agent contained in 100% by mass of the tobacco sheet is preferably 4 to 40% by mass. Within this range, other raw materials can be sufficiently used to secure the functions required for the tobacco-containing segment of the non-combustion-heating flavor inhaler.
- the ratio of the reinforcing agent is more preferably 4.5 to 35% by mass, more preferably 5 to 30% by mass.
- the tobacco sheet according to this embodiment may further contain a humectant from the viewpoint of maintaining quality.
- moisturizing agents include sugar alcohols such as sorbitol, erythritol, xylitol, maltitol, lactitol, mannitol, and reduced maltose starch syrup. These may be used alone or in combination of two or more.
- the ratio of the humectant contained in 100% by mass of the tobacco sheet is preferably 1 to 15% by mass. Within this range, other raw materials can be sufficiently used to secure the functions required for the tobacco-containing segment of the non-combustion-heating flavor inhaler.
- the ratio of the moisturizing agent is more preferably 2 to 12% by mass, even more preferably 3 to 10% by mass.
- the tobacco sheet according to the present embodiment may contain, in addition to the tobacco raw material, the aerosol-generating agent, the molding agent (first and second molding agents), the reinforcing agent, and the moisturizing agent, if necessary, a flavoring agent and a flavoring agent.
- Flavoring agents such as seasonings, coloring agents, humectants, preservatives, diluents such as inorganic substances, and the like can be included.
- the tobacco sheet according to the present embodiment has a swelling property of 190 cc/100 g or more.
- the swelling property is 190 cc/100 g or more, the total heat capacity of the tobacco-containing segment of the non-combustion heating type flavor inhaler can be sufficiently reduced, and the tobacco sheet filled in the tobacco-containing segment is generated by aerosol generation. be able to contribute.
- the swelling property is more preferably 210 cc/100 g or more, more preferably 230 cc/100 g or more.
- the upper limit of the swelling range is not particularly limited, it can be, for example, 800 cc/100 g or less.
- the swelling property was evaluated by cutting a tobacco sheet into a size of 0.8 mm ⁇ 20 mm, leaving it in a conditioned room at 22° C. and 60% for 48 hours, and applying it to DD-60A (trade name, manufactured by Borgwald). It is a value measured by The measurement is carried out by placing 15 g of cut tobacco sheets in a cylindrical container with an inner diameter of 60 mm and compressing the container with a load of 3 kg for 30 seconds to obtain the volume.
- the tobacco sheet according to the present embodiment is produced by, for example, preparing a mixture containing a tobacco raw material, an aerosol-generating agent, a first molding agent, and a second molding agent, and rolling the mixture to form a rolled product. and a step of pressing a rotary roll blade against the rolled product to cut it into strips and imparting a corrugated shape. Note that the process of imparting a wave shape is also called a rippling process.
- the tobacco sheet according to this embodiment can be produced by the following method.
- a sheet cut into strips by a rotary roll blade is given a wavy shape and sawtooth shape as shown in FIG.
- the rolled product is not cut by a rotary roll blade, for example, by peeling off the rolled product on the rolling roller with a doctor knife, resistance is applied when peeled from the roll, and the wavy shape is also applied. and a sawtooth shape.
- the surface of the pressure roller may be heated or cooled, and the number of revolutions of the pressure roller may be adjusted depending on the purpose. Furthermore, by adjusting the spacing between the rolling rollers, it is possible to obtain a tobacco sheet with a desired basis weight.
- the non-combustion-heating flavor inhaler according to this embodiment includes a tobacco-containing segment including the tobacco sheet or the like according to this embodiment. Since the non-combustion-heating flavor inhaler according to the present embodiment includes the tobacco-containing segment filled with the highly bulky tobacco sheet or the like according to the present embodiment, the total heat capacity of the tobacco-containing segment should be sufficiently reduced. , allowing the tobacco sheet filled in the tobacco-containing segment to contribute more to aerosol generation.
- FIG. 2A An example of the non-combustion heating type flavor inhaler according to this embodiment is shown in FIG. 2A.
- the non-combustion heating flavor inhaler 4 shown in FIG. 2A includes a tobacco-containing segment 5 filled with tobacco sheets or the like according to the present embodiment, a cylindrical cooling segment 6 having perforations 11 on its circumference, and a center hole. It comprises a segment 7 and a filter segment 8 .
- the non-combustion-heating flavor inhaler according to this embodiment may have segments other than the tobacco-containing segment, cooling segment, center hole segment, and filter segment.
- the axial length of the non-combustion heating type flavor inhaler according to the present 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, It is more preferably 60 mm or less.
- the circumference of the non-combustion heating 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 length of the tobacco-containing segment is 20 mm
- the length of the cooling segment is 20 mm
- the length of the center hole segment is 8 mm
- the length of the filter segment is 7 mm.
- the length of the filter segment can be selected within a range of 4 mm or more and 10 mm or less.
- the ventilation resistance of the filter segments at that time is selected to be 15 mmH 2 O/seg or more and 60 mmH 2 O/seg or less per segment.
- the tobacco sheet according to the present embodiment is filled in wrapping paper (hereinafter also referred to as wrapper).
- wrapper The method of packing the tobacco sheet into the wrapping paper is not particularly limited.
- the tobacco sheet may be wrapped in a wrapper, or the tobacco sheet may be packed in a cylindrical wrapper.
- the shape of the tobacco sheet has a longitudinal direction such as a rectangular shape
- the tobacco sheet may be packed so that the longitudinal direction is in an unspecified direction in the wrapper, and the tobacco-containing segment 5 may be packed in an axial direction or a longitudinal direction. They may be aligned and filled in a direction perpendicular to the axial direction.
- the tobacco sheet may be incorporated in the form of a laminated body of sheets, may be incorporated in the form of being spirally wound, or may be incorporated in the form of being folded into a bellows shape.
- the cooling segment 6 may be configured by a cylindrical member 10.
- the tubular member 10 may be, for example, a paper tube formed by processing cardboard into a cylindrical shape.
- the tubular member 10 and the mouthpiece lining paper 15, which will be described later, are provided with perforations 11 penetrating both. Due to the presence of the perforations 11 outside air is introduced into the cooling segment 6 during suction. As a result, the vaporized aerosol component generated by heating the tobacco-containing segment 5 comes into contact with the outside air, and its temperature decreases, liquefying to form an aerosol.
- the diameter (spanning length) of the perforations 11 is not particularly limited, but may be, for example, 0.5 mm or more and 1.5 mm or less.
- the number of perforations 11 is not particularly limited, and may be one or two or more. For example, multiple perforations 11 may be provided on the circumference of the cooling segment 6 .
- the amount of outside air introduced from the perforations 11 is preferably 85% by volume or less, more preferably 80% by volume or less, relative to the total volume of the gas inhaled by the user.
- the ratio of the amount of outside air is 85% by volume or less, it is possible to sufficiently suppress reduction in flavor due to dilution by outside air.
- this is also called a ventilation ratio.
- 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 crumpled, pleated, gathered or folded sheet of suitable construction material.
- 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 with wrapping paper.
- 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 can be substantially circular in its axial cross-sectional shape, and its diameter can be, for example, 5 mm or more and 10 mm or less, and can be, for example, about 7 mm.
- the center hole segment is composed of a filling layer having one or more hollow portions and an inner plug wrapper (inner wrapping paper) covering the filling layer.
- the center hole segment 7 is composed of a second filling layer 12 having a hollow portion and a second inner plug wrapper 13 covering the second filling layer 12 .
- the center hole segment 7 has the function of increasing the strength of the mouthpiece segment 9 .
- the second filling layer 12 has an inner diameter of ⁇ 1.0 mm, for example, filled with cellulose acetate fibers at a high density and hardened by adding a plasticizer containing triacetin in an amount of 6% by mass or more and 20% by mass or less based on the mass of cellulose acetate.
- the second packed layer 12 has a high packing density of fibers, air and aerosol flow only through the hollow portion and hardly flow inside the second packed layer 12 during suction. Since the second filling layer 12 inside the center hole segment 7 is a fiber filling layer, the feeling of touch from the outside during use hardly causes the user to feel uncomfortable. Note that the center hole segment 7 may not have the second inner plug wrapper 13 and may retain its shape by thermoforming.
- the configuration of the filter segment 8 is not particularly limited, it may be composed of a single or a plurality of packed layers. The outer side of the packing layer may be wrapped with one or more wrapping papers.
- the ventilation resistance per segment of the filter segment 8 can be appropriately changed depending on the amount of filler, the material, etc. with which the filter segment 8 is filled. For example, when the filler is cellulose acetate fiber, increasing the amount of cellulose acetate fiber with which the filter segment 8 is filled can increase the ventilation resistance. When the filler is cellulose acetate fiber, the packing density of the cellulose acetate fiber can be 0.13-0.18 g/cm 3 .
- the airflow resistance is a value measured by an airflow resistance measuring instrument (trade name: SODIMAX, manufactured by SODIM).
- the length of the circumference of the filter segment 8 is not particularly limited, it is preferably 16 to 25 mm, more preferably 20 to 24 mm, even more preferably 21 to 23 mm.
- the axial length of the filter segment 8 can be selected from 4 to 10 mm, and is selected so that its ventilation resistance is from 15 to 60 mmH 2 O/seg.
- the axial length of the filter segment 8 is preferably 5-9 mm, more preferably 6-8 mm.
- the cross-sectional shape of the filter segment 8 is not particularly limited, but may be, for example, circular, elliptical, polygonal, or the like.
- the filter segment 8 may be directly added with destructible capsules containing perfume, perfume beads, and perfume.
- the center hole segment 7 and the filter segment 8 can be connected with an outer plug wrapper (outer wrapping paper) 14 .
- the outer plug wrapper 14 can be, for example, a cylinder of paper.
- the tobacco-containing segment 5 , cooling segment 6 , connected center hole segment 7 and filter segment 8 can be connected by mouthpiece lining paper 15 .
- These connections can be made, for example, by applying glue such as vinyl acetate glue to the inner surface of the mouthpiece lining paper 15, inserting the three segments, and winding them.
- these segments may be divided into multiple times and connected with multiple lining papers.
- the non-combustion heating flavor inhalation system includes the non-combustion heating flavor inhaler according to this embodiment, and a heating device that heats the tobacco-containing segment of the non-combustion heating flavor inhaler.
- the non-combustion-heating flavor inhalation system according to the present embodiment may have a configuration other than the non-combustion-heating flavor inhaler and the heating device according to the present embodiment.
- FIG. 2B An example of the non-combustion heating type flavor suction system according to this embodiment is shown in FIG. 2B.
- the non-combustion heating flavor inhalation system shown in FIG. 2B includes a non-combustion heating flavor inhaler 4 according to this embodiment and a heating device 16 that heats the tobacco-containing segment of the non-combustion heating flavor inhaler 4 from the outside. Prepare.
- FIG. 2B(a) shows the state before the non-combustion heating flavor inhaler 4 is inserted into the heating device 16, and FIG. indicates the state of
- the heating device 16 shown in FIG. 2B includes a body 17, a heater 18, a metal tube 19, a battery unit B, and a control unit 21.
- the body 17 has a cylindrical recess 22, and a heater 18 and a metal pipe are provided on the inner side surface of the recess 22 at positions corresponding to the tobacco-containing segments of the non-combustion heating flavor inhaler 4 inserted into the recess 22. 19 are arranged.
- the heater 18 can be a heater based on electric resistance, and electric power is supplied from the battery unit B according to an instruction from the control unit 21 that performs temperature control, and the heater 18 is heated. The heat emitted from the heater 18 is transmitted to the tobacco-containing segment of the non-combustion heating flavor inhaler 4 through the metal pipe 19 with high thermal conductivity.
- FIG. 2B(b) there is a gap between the outer circumference of the non-combustion-heating flavor inhaler 4 and the inner circumference of the metal tube 19 because it is schematically illustrated.
- the heating device 16 heats the tobacco-containing segment of the non-combustion-heating flavor inhaler 4 from the outside, but it may heat the tobacco-containing segment from the inside.
- the heating temperature of the heating device is not particularly limited, it is preferably 400°C or lower, more preferably 150°C or higher and 400°C or lower, and even more preferably 200°C or higher and 350°C or lower.
- the heating temperature indicates the temperature of the heater of the heating device.
- the non-combustion heating type flavor inhaler does not diffuse the moisture of the tobacco material and the vapor generated from the aerosol generating agent by heating from the tip of the article, so that the user can
- a new problem was found that the heat of the aerosol and the heat of the mouth end of the article are felt when inhaled. Therefore, as a first aspect, the following describes a non-combustion heating type in which the user hardly feels the heat of the aerosol or the heat of the mouthpiece of the article when inhaling, and the quality stability of the tobacco filler is excellent and the satisfaction of use is further enhanced.
- a tobacco sheet providing flavor inhaler is described.
- a tobacco sheet that provides a non-combustion heating type flavor inhaler that makes it difficult for the user to feel the heat of the aerosol and the heat of the mouth end of the article when inhaling and that has improved sucking response will be described.
- the tobacco raw material is dry tobacco material, contains an aerosol generating agent, and has a moisture content of more than 5% by mass and 7.5% by mass or less.
- the sheet may or may not contain components other than the dry tobacco material and the aerosol generating agent.
- an aerosol generating agent may be called an aerosol source.
- Dry tobacco filler> a sheet comprising a dry tobacco material and an aerosol-generating agent as the tobacco raw materials, and having a moisture content of more than 5% by mass and not more than 7.5% by mass.
- a material containing a dry tobacco material and an aerosol-generating agent as the tobacco raw materials and having a water content of more than 5% by mass and 7.5% by mass or less is also referred to as a "dried tobacco filler".
- the "dry tobacco filler” may have any shape, but in this embodiment, it is made into a sheet by a standard method and given a corrugated shape as described above.
- the "dry tobacco filler” has a moisture content of more than 5% by mass and 7.5% by mass or less, preferably 5.1 to 7.5% by mass, more preferably 5.1 to 7.0% by mass. and more preferably a water content of 5.5 to 7.0 mass %.
- the moisture content of the dry tobacco filler represents the ratio (% by mass) of water to the total mass of the dry tobacco filler.
- the "dry tobacco filler” can be obtained by drying the tobacco raw material and the aerosol-generating agent. Further, as shown in FIG. 3, it is also possible to obtain a "dry tobacco filler” by drying "tobacco filler used in existing non-combustion heating type flavor inhalers (hereinafter also referred to as untreated tobacco filler)". can.
- the untreated tobacco filler T3a includes tobacco material T1a and aerosol generator T2, and generally has a moisture content of 10-15% by mass.
- the water content of the untreated tobacco filler also represents the ratio (mass %) of water to the total weight of the untreated tobacco filler. Drying the untreated tobacco filler T3a removes moisture from the tobacco material T1a, thereby preparing a dry tobacco filler T3b.
- the tobacco material included in the "dry tobacco filler” is referred to herein as the "dry tobacco material”.
- the tobacco material T1a becomes dry tobacco material T1b by removing moisture, but most of the aerosol generating agent T2 remains without being removed.
- the aerosol-generating agent T2 may exist on the surface of the tobacco material T1a or the dry tobacco material T1b, or may penetrate into the tobacco material T1a or the dry tobacco material T1b and be incorporated therein.
- the "tobacco material T1a" contained in the untreated tobacco filler T3a is a tobacco raw material, and may be or include cut tobacco ready to be blended into tobacco products. It may be a tobacco molded article obtained by molding the raw material into an arbitrary shape. "Tobacco shredded ready to be blended into tobacco products” generally undergoes a drying process at a farm, followed by a long-term aging process of one to several years at a raw material factory, and then a manufacturing factory. It can be prepared via various processing treatments such as blending and chopping.
- cut tobacco ready to be blended into tobacco products includes cut deboned leaves, cut core ribs, reconstituted tobacco (i.e., leaf waste, cut waste, core waste, It may be shredded tobacco material processed into a reusable shape such as dust, or a mixture thereof.
- the tobacco molded body means a sheet.
- the sheet is formed by known methods such as papermaking, casting, and rolling.
- the tobacco molded article may contain, for example, at least one binder selected from the group consisting of pullulan and hydroxypropylcellulose in order to maintain the shape of the molded article.
- the binder can be contained in an amount that exerts its effect as a binder and does not reduce the releasability of the tobacco flavor component. %.
- the tobacco molded article can maintain its shape without using a binder, it may not contain a binder. If the binder inhibits the release of the tobacco flavor component from the tobacco molded article, it is desirable not to include the binder.
- the tobacco molded product may contain a humectant in order to adjust the water content.
- Humectants also function as aerosol generators.
- Polyhydric alcohols can be used as moisturizing agents, such as glycerin, propylene glycol, sorbitol, xylitol, and erythritol. These polyhydric alcohols can be used singly or in combination of two or more. When a humectant is contained, it can be usually contained in an amount of 5 to 15% by mass with respect to the total mass of the tobacco molded product.
- the tobacco molded product may additionally contain a flavoring material, and the flavoring material can be solid or liquid.
- flavoring agents include menthol, spearmint, peppermint, cocoa, carob, coriander, licorice, orange peel rosepips, chamomile flower, lemon verbena, sugars (such as fructose and sucrose), and the like.
- the flavoring agent can be contained in an amount of 0.5 to 45% by mass with respect to the total mass of the tobacco molded product.
- “Aerosol-generating agent” is a source (liquid) for generating vapor (gas) when the dry tobacco filler is blended in the non-combustion heating type flavor inhaler and heated.
- An “aerosol-generating agent” is a source (liquid) for generating a dispersion medium (gas) of an aerosol (mainstream smoke), and does not include fine particles (tobacco flavor components, etc.) in the aerosol. That is, the tobacco flavor component migrates from the dry tobacco material into the vapor generated by heating the aerosol generating agent to generate an aerosol (mainstream smoke).
- the aerosol-generating agent may be incorporated during preparation of the tobacco molded article as described above, or may be added after preparation of the tobacco molded article.
- Aerosol-generating agents include glycerin, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.
- the aerosol-generating agent is preferably a mixture of glycerin and propylene glycol.
- the mass ratio of glycerin and propylene glycol can be, for example, 80:20 to 97.5:2.5.
- the aerosol-generating agent can be included in the untreated tobacco filler in an amount of, for example, 15-19% by weight relative to the untreated tobacco filler.
- the dry tobacco filler may optionally contain additional ingredients such as the flavoring agents described above.
- the "moisture content" of dry tobacco fillers and the “moisture content” of untreated tobacco fillers can be determined using GC-TCD as follows.
- GC-TCD conditions can be, for example, the following conditions.
- GC-TCD Hewlett Packard 6890 gas chromatograph Column ;HP Polapack Q (packed column) Constant Flow mode 20.0mL/min Injection ;1.0 ⁇ L Inlet ;EPC purge packed column inlet Heater;230°C Gas;He total flow;21.1 mL/min Oven ;160°C(hold 4.5min) ⁇ (60°C/min) ⁇ 220°C(hold 4.0min) Detector ;TCD detector Reference Gas (He) flow rate ;20 mL/min Make-up gas (He) 3.0mL/min Signal rate ;5Hz
- dry tobacco filler can be produced by drying untreated tobacco filler to the desired moisture content.
- the untreated tobacco filler comprises tobacco material and an aerosol-generating agent and typically has a moisture content of 10-15% by weight.
- a method for producing a dry tobacco filler comprises drying a tobacco filler comprising a tobacco material and an aerosol-generating agent (i.e., an untreated tobacco filler) to produce greater than 5% by weight and 7.5% by weight. comprising preparing a dry tobacco filler having a moisture content of:
- Drying may be carried out by drying the untreated tobacco filler itself, or by wrapping the untreated tobacco filler with wrapping paper to produce a tobacco rod, and then drying the tobacco rod.
- the non-combustion-heating flavor inhaler may be dried. Drying the untreated tobacco filler can remove some of the water content of the tobacco filler without substantially removing the aerosol-generating agent due to the high boiling point of the aerosol-generating agent.
- Drying can be performed by any drying method as long as a dried tobacco filler having a desired moisture content is obtained.
- drying can be done by microwave heating.
- the moisture content of the tobacco filler can be adjusted by adjusting the heating time (Fig. 8).
- Microwave heating can typically be done with a microwave oven. When using a 500 W microwave oven, a heating time of, for example, 30-40 seconds can be employed for 5 g of untreated tobacco filler (FIG. 8).
- drying can be performed by placing the untreated tobacco filler together with a desiccant under sealed conditions. For example, drying can be carried out at a temperature of 15-25° C. for 10-15 days.
- Silica gel or the like can be used as the desiccant.
- the moisture content of the tobacco filler can be adjusted by adjusting the amount of the desiccant (Fig. 9).
- silica gel is used as a desiccant, for example, 2-4 g of silica gel can be used for 5 g of untreated tobacco filler (FIG. 9).
- drying may be performed by hot air drying or by vacuum drying.
- the drying is preferably carried out under conditions where the surface temperature of the tobacco filler is 65°C or lower. Drying is more preferably carried out under the condition that the surface temperature of the tobacco filler is normal temperature (ie, 20°C) to 65°C. If the surface temperature of the tobacco filler becomes too high, the content of the aerosol-generating agent contained in the tobacco filler may decrease. In addition, if the surface temperature of the tobacco filler becomes too high, the cell membranes and cell walls of the tobacco material will be damaged, and the tobacco flavor components will be easily released from the tobacco material. may be too much.
- the surface temperature of the tobacco filler refers to the temperature measured by a thermography camera, FLIR-C2 machine manufactured by FLIR System Inc.
- tobacco filler distinguishes between tobacco filler before drying (i.e., untreated tobacco filler), tobacco filler in the process of drying, and dried tobacco filler. It is used when you want to call it without
- a dry tobacco filler produced by the above method.
- the dry tobacco filler thus prepared is made into a sheet for a non-combustion heated flavor inhaler by a conventional method, and is corrugated by the method described above.
- Non-combustion heating type flavor inhaler A sheet formed from the dry tobacco filler described above can be incorporated into a non-combustion heated flavor inhaler (hereinafter simply referred to as a flavor inhaler). That is, according to another aspect, a tobacco rod including a sheet formed from the dry tobacco filler described above, a wrapping paper wrapped around the dry tobacco filler, a filter, the tobacco rod and the filter A non-combustion heated flavor inhaler is provided including a tipping member coupled to the Here, the tipping member means a member having a function as tipping paper generally used in cigarettes (that is, a function of connecting a tobacco rod and a filter). As a tipping member, in addition to paper (ie, tipping paper), sheets of any polymeric material can be used.
- non-combustion heating flavor inhaler and the heating device are collectively referred to in this specification as “non-combustion heating flavor inhalation system” or simply “flavor inhalation system”. That is, according to another aspect, a non-combustion heating flavor including the above-mentioned “non-combustion heating flavor inhaler” and a heating device for heating it to generate an aerosol (hereinafter also referred to as an aerosol generator) A suction system is provided.
- an electrically heated suction system including a flavor suction device and a heating device for electrically heating it is known (for example, WO96/32854 and WO2010/110226 ).
- FIG. 4 is a perspective view showing an example of a non-combustion heating flavor inhalation system.
- FIG. 5 is a diagram showing the internal structure of the aerosol generator.
- the flavor inhalation system 100 includes a flavor inhaler 4 including a sheet formed from the dry tobacco filler described above including dry tobacco material and an aerosol-generating agent, and a flavor inhaler 4 that is heated to produce an aerosol-generating agent. and an aerosol generator 120 for atomizing and releasing flavor components from the dry tobacco material.
- the flavor sucker 4 is a replaceable cartridge and has a columnar shape extending along one direction.
- the flavor inhaler 4 is configured to generate an aerosol containing flavor components when heated while being inserted into the aerosol generator 120 .
- the longitudinal dimension of the flavor inhaler 4, that is, the length is preferably 40 to 90 mm, more preferably 50 to 75 mm, even more preferably 50 to 60 mm.
- the peripheral length of the flavor inhaler 4 is preferably 15 to 25 mm, more preferably 17 to 24 mm, even more preferably 20 to 23 mm.
- the length of the tobacco-containing segment 2 may be 20 mm
- the length of the paper tube portion may be 20 mm
- the length of the hollow plug may be 8 mm
- the length of the filter plug may be 7 mm.
- the segment length of can be changed as appropriate according to manufacturing aptitude, required quality, and the like.
- the filling includes a sheet formed from the dry tobacco filler described above, which includes the dry tobacco material and the aerosol-generating agent.
- the sheet is preferably made of "dry tobacco filler".
- the sheet may contain components other than those described above.
- aerosol generating agent is heated at a predetermined temperature to generate vapor.
- aerosol-generating agents can include, for example, glycerin, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.
- the aerosol-generating agent can be included in the untreated tobacco filler in an amount of, for example, 15-19% by weight relative to the untreated tobacco filler.
- the content of the filler in the flavor inhaler 4 is, for example, 200-400 mg, preferably 250-320 mg, when the tobacco-containing segment 2 has a circumference of 22 mm and a length of 20 mm.
- the aerosol generator 120 has an insertion hole 130 into which the flavor inhaler 4 can be inserted. That is, the aerosol generator 120 has an inner cylindrical member 132 that forms the insertion hole 130 .
- the inner tubular member 132 may be made of a thermally conductive material such as aluminum or stainless steel (SUS).
- the aerosol generator 120 may have a lid portion 140 that closes the insertion hole 130 .
- the lid portion 140 is slidable and can change between a state in which the insertion hole 130 is closed and a state in which the insertion hole 130 is exposed (see FIG. 4).
- the aerosol generator 120 may have an air flow path 160 communicating with the insertion hole 130 .
- One end of the air channel 160 is connected to the insertion hole 130 , and the other end of the air channel 160 communicates with the outside (outside air) of the aerosol generator 120 at a location different from the insertion hole 130 .
- the aerosol generator 120 may have a lid portion 170 that covers the end of the air flow path 160 on the side communicating with the outside air.
- the lid portion 170 can cover the end of the air flow path 160 on the side communicating with the outside air, or can leave this end exposed.
- the lid portion 170 is in a state of covering the end portion of the air flow path 160, but does not airtightly block the air flow path 160. That is, the lid portion 170 covers the air flow path 160, but is separated from the end portion of the air flow path 160, so that outside air can flow into the air flow path 160 through the gap between them. ing.
- the user With the flavor inhaler 4 inserted into the aerosol generator 120, the user holds the mouthpiece and performs an inhalation operation. Outside air flows into the air flow path 160 due to the suction action of the user. The air that has flowed into the air flow path 160 passes through the flavor inhaler 4 inside the insertion hole 130 and is guided into the oral cavity of the user.
- the aerosol generator 120 may have a temperature sensor inside the air flow path 160 or on the outer surface of the wall forming the air flow path 160 .
- the temperature sensor may be, for example, a thermistor, a thermocouple, or the like.
- the internal temperature of the air passage 160 or the temperature of the air passage 160 changes due to the influence of the air flowing in the air passage 160 from the lid portion 170 side toward the later-described heater 30 side.
- the temperature of the wall that constitutes the A temperature sensor can detect the user's sucking action by measuring this temperature drop.
- the aerosol generator 120 has a battery B, a control unit 20, and a heater 30.
- Battery B stores power for use in aerosol generator 120 .
- Battery B may be a rechargeable secondary battery.
- Battery B may be, for example, a lithium-ion battery.
- the heater 30 may be provided around the inner cylinder member 132 .
- the space accommodating the heater 30 and the space accommodating the battery B may be separated from each other by the partition wall 180 .
- the air heated by heater 30 can be prevented from flowing into the space in which battery B is accommodated. Therefore, the temperature rise of battery B can be suppressed.
- the heater 30 preferably has a tubular shape capable of heating the outer periphery of the columnar flavor inhaler 4 .
- the heater 30 may be, for example, a film heater.
- the film heater may have a pair of film-like substrates and a resistance heating element sandwiched between the pair of substrates.
- the film-like substrate is preferably made of a material with excellent heat resistance and electrical insulation, typically made of polyimide.
- the resistance heating element is preferably made of one or more metal materials such as copper, nickel alloy, chromium alloy, stainless steel, platinum rhodium, etc. For example, it can be formed of a stainless steel base material.
- the resistance heating element may be plated with copper on the connection part and its lead part in order to connect with the power supply through the flexible printed circuit (FPC).
- a heat-shrinkable tube is preferably provided outside the heater 30 .
- a heat-shrinkable tube is a tube that shrinks radially by heat, and is made of, for example, a thermoplastic elastomer.
- the heater 30 is pressed against the inner cylindrical member 132 by the contraction action of the heat-shrinkable tube. As a result, the adhesion between the heater 30 and the inner tubular member 132 is enhanced, so that the thermal conductivity from the heater 30 to the flavor inhaler 4 via the inner tubular member 132 is enhanced.
- the aerosol generator 120 may have a cylindrical heat insulator radially outside the heater 30, preferably outside the heat shrink tube.
- the heat insulator may serve to prevent the outer surface of the housing of the aerosol generating device 120 from reaching excessively high temperatures by blocking the heat of the heater 30 .
- Insulators can be made from aerogels, such as silica aerogels, carbon aerogels, alumina aerogels, for example.
- the airgel as a thermal insulator may typically be a silicic aerogel with high thermal insulation performance and relatively low manufacturing cost.
- the heat insulating material may be a fiber heat insulating material such as glass wool or rock wool, or may be a foamed heat insulating material such as urethane foam or phenol foam.
- the insulation may be vacuum insulation.
- An outer cylindrical member 134 is provided outside the heat insulating material.
- a heat insulator may be provided between the inner tubular member 132 facing the flavor inhaler 4 and the outer tubular member 134 .
- the outer tubular member 134 may be made of a thermally conductive material such as aluminum or stainless steel (SUS). It is preferable that the heat insulating material is provided within a closed space.
- the control unit 20 may include a circuit board, central processing unit (CPU), memory, and the like. Also, the aerosol generator 120 may have a notification unit for notifying the user of various information under the control of the control unit 20 .
- the notification portion may be a light emitting element, such as a light emitting diode (LED), or a vibrating element, or a combination thereof.
- the control unit 20 When the control unit 20 detects the user's activation request, the control unit 20 starts supplying power from the battery B to the heater 30 .
- the user's activation request is made, for example, by the user's operation of a push button or slide switch, or by the user's suction action.
- a user activation request may be made by pressing a push button 150 . More specifically, the user's activation request may be made by pressing the push button 150 while the lid 140 is open. Alternatively, the user activation request may be made by sensing the user's sucking action. The user's sucking action can be detected, for example, by a temperature sensor as described above.
- the "dried tobacco filler” can be produced by placing an untreated tobacco filler together with a desiccant under sealed conditions (see the section ⁇ 2. Method for producing dried tobacco filler> above). reference).
- a "dry tobacco filler” having a desired moisture content
- it may be made into a sheet and distributed as a product in the form of a flavor inhaler containing this, or alternatively, an untreated tobacco filler may be used as a desiccant.
- the tobacco filler may be made into a sheet and distributed as a commercial product in the form of a flavor inhaler containing the sheet while the tobacco filler is placed under sealed conditions together with the tobacco, but the desired moisture content has not yet been reached. In the latter case, drying of the tobacco filler occurs during commercial distribution of the flavor inhaler containing the sheet formed from the tobacco filler, and the sheet reaches the desired moisture content.
- At least one non-combustion heated flavor inhaler comprising a wrapper and a sheet formed of tobacco filler containing tobacco material and an aerosol-generating agent contained within the wrapper. and a desiccant incorporated within the package in an amount necessary for the tobacco filler to reach an equilibrium moisture content of greater than 5% by mass and 7.5% by mass or less, wherein the tobacco filler comprises the A packaged product is provided that reaches an equilibrium moisture content of greater than 5% by weight and up to 7.5% by weight within the package.
- the non-combustion heated flavor inhaler is preferably contained under sealed conditions within the package.
- the package it is possible to use a sealing packaging body that is used as a packaging body for tobacco products such as cigarettes in the relevant technical field.
- the package is, for example, a cigarette pack generally used as a cigarette package, i.e., a cigarette pack composed of an outer pack made of a paper box with a hinge lid and an inner pack made of inner wrapping paper for wrapping a bundle of cigarettes.
- a can container having a can container body, a can lid, and a metal inner lid that covers the opening of the can container body and shuts off the internal space of the can container body from the outside air;
- It may be a PTP package (press through pack) used in drug packaging, that is, a package in which the contents are contained between a plastic part having a containing space and a plate-like aluminum part;
- It may be an SP package (strip package) used for drug packaging, that is, a package in which the peripheries of two thermoadhesive film sheets are heat-sealed and the contents are contained between them;
- it may be a sealed plastic bag.
- FIG. 6 shows an example of a cigarette pack. 6 shows the closed state of the cigarette pack, and FIG. 7 shows the opened state of the cigarette pack.
- a cigarette pack P4 includes a box P5 and a lid P6.
- the box P5 includes a box body P5a and an inner frame P5b. Box P5 has an opening at its upper end.
- a lid P6 is connected to the rear edge of the open end of the box P5 via a self-hinge P7. Lid P6 pivots around self hinge P7 to open and close the open end of box P5.
- the inner frame P5b is partially inserted into the box body P5a and protrudes from the opening of the box body P5a to form the open end of the box P5.
- Cigarette packs generally further include an inner pack (not shown) inside the box P5 and made of inner wrapping paper for wrapping the bundle of cigarettes.
- the cigarette pack usually further comprises a film wrapping material (not shown) having a tear tape on the outside of the box P5.
- the "non-combustion heating type flavor inhaler” for housing in the package is a flavor inhaler containing the "untreated tobacco filler T3a" shown in FIG.
- a commercially available tobacco stick for a non-combustion heating flavor inhalation system may be used, or an existing non-combustion heating type A flavor inhaler manufactured using a tobacco filler prepared for a flavor inhalation system (eg, a moisture content of 10-15% by weight) may also be used.
- the number of non-combustion heating type flavor inhalers housed in the package is at least one, for example 40 or less.
- the number of non-combustion heating flavor inhalers housed in the package is generally 10 to 20, for example 20.
- drying agent it is possible to use a drying agent that is normally used as a drying agent for foods and medicines, such as silica gel.
- the desiccant is incorporated into the package in an amount necessary to reach an equilibrium moisture content of greater than 5% and no more than 7.5% by weight of the tobacco filler.
- the moisture content of the tobacco filler can be adjusted by adjusting the amount of desiccant.
- a dry tobacco filler material having an equilibrium moisture content of greater than 5% and no greater than 7.5% by weight from an untreated tobacco filler having a moisture content of about 14% by weight when silica gel is used as the desiccant.
- 2 to 4 g of silica gel can be used for 5 g of tobacco filler.
- the moisture content of the sheet formed from the tobacco filler changes over time. That is, immediately after the non-combustion heating type flavor inhaler is housed in the package, the moisture content of the sheet is almost the same as the moisture content of the sheet formed from the tobacco filling material before drying.
- the water content of the filler is 10-15% by mass.
- the tobacco filler in the sheet has an equilibrium moisture content of more than 5% by mass and not more than 7.5% by mass, preferably an equilibrium moisture content of 5.1 to 7.5% by mass, more preferably 5.5% by mass. An equilibrium moisture content of 5-7.0% by weight is reached.
- the tobacco filler changes over time, but all of the "tobacco filler before drying”, “tobacco filler during drying”, and “tobacco filler after drying” are collectively referred to as "tobacco fillers”.
- the lower limit of the water content of the tobacco filler when the lower limit of the water content of the tobacco filler is set to a water content of more than 5% by mass, for example, a water content of 5.1% by mass or more, aerosols are generated in the tobacco filler even after the drying process.
- the content of agents and tobacco flavor sources (such as nicotine) can be maintained without being reduced.
- the property of stably maintaining the aerosol-generating agent and the tobacco flavor source (such as nicotine) after drying without reducing the content of the aerosol-generating agent and the tobacco flavor source (such as nicotine) during drying of the tobacco filling material. called “Quality Stability of Tobacco Filling Material”. "Quality stability of tobacco filling materials" is closely related to the transfer of the tobacco flavor source to the vapor generated by heating the aerosol generating agent and delivery to the user, so it is an important property for flavor inhalers. be.
- a sheet formed from a tobacco filler having a water content lower than 5% by mass and 7.5% by mass or less, preferably 5.1 to 7.5% by mass It is possible to provide a non-combustion heating type flavor inhaler in which a user hardly feels the heat of an aerosol or the heat of the mouth end of an article when inhaling, and in which the quality stability of the tobacco filling material is excellent.
- the tobacco sheet of this embodiment comprises a dry tobacco material and less than 20% by weight of an aerosol-generating agent and is formed from a dry tobacco filler having a moisture content of 3-5% by weight.
- a material containing a dry tobacco material and less than 20% by mass of an aerosol-generating agent as the tobacco raw material and having a water content of 3 to 5% by mass is also referred to as a "dry tobacco filler”.
- the "dry tobacco filler” may have any shape, but in this embodiment, it is made into a sheet by a standard method and given a corrugated shape by the method described above.
- a sheet comprising dry tobacco material and less than 20% by weight aerosol generating agent and having a moisture content of 3-5% by weight.
- the sheet can be used in a non-combustion heating flavor inhaler.
- the "dried tobacco filler” has a water content of 3.0 to 5.0% by mass, preferably a water content of 3.5 to 5.0% by mass, more preferably a water content of 4.0 to 5.0% by mass. have a rate.
- the moisture content of the dry tobacco filler represents the ratio (% by mass) of water to the total mass of the dry tobacco filler. Details of the dry tobacco filler other than the moisture content are as described in the first aspect.
- Aerosol-generating agents include glycerin, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.
- the aerosol-generating agent is preferably a mixture of glycerin and propylene glycol.
- the mass ratio of glycerin and propylene glycol can be, for example, 80:20 to 97.5:2.5.
- the aerosol-generating agent is contained in an amount of less than 20% by mass relative to the total mass of the dry tobacco filler.
- the amount of aerosol-generating agent contained in the dry tobacco filler is less than 20% by weight, preferably 19% by weight or less, more preferably 15-19% by weight, based on the total weight of the dry tobacco filler.
- the propylene glycol is preferably contained in an amount of 3% by mass or less relative to the total mass of the dry tobacco filler.
- the amount of propylene glycol contained in the dry tobacco filler is preferably 3% by mass or less, more preferably 1 to 3% by mass.
- the "aerosol generating agent amount" contained in the dry tobacco filler can be obtained as follows.
- the dried tobacco filler is extracted with a predetermined amount of ethanol (10 mL to 100 mL, adjusted appropriately according to the amount of dry tobacco filler), and the aerosol generator (eg, glycerin and propylene glycol) is extracted using GC-MS. Amount can be measured.
- Method for producing dry tobacco filler The method for producing the dry tobacco filler in this aspect is as described in the first aspect. However, in this aspect, it is preferable to dry as follows.
- the dry tobacco filler manufacturing method includes drying a tobacco filler containing a tobacco material and an aerosol generating agent under conditions where the surface temperature of the tobacco filler is 90° C. or less, It involves preparing a dry tobacco filler having a moisture content of 3-5% by weight.
- Drying may be carried out by drying the untreated tobacco filler itself, or by wrapping the untreated tobacco filler with wrapping paper to produce a tobacco rod, and then drying the tobacco rod.
- the non-combustion heating type flavor inhalation article may be dried. Drying the untreated tobacco filler can remove some of the water content of the tobacco filler without substantially removing the aerosol-generating agent due to the high boiling point of the aerosol-generating agent.
- Drying can be performed by any drying method as long as a dried tobacco filler having a desired moisture content is obtained.
- drying can be performed under conditions of room temperature and humidity of 30% or less.
- Room temperature is typically a temperature in the range of 5-35°C. Drying can be carried out at a temperature of preferably 5-35° C., more preferably 15-25° C., and a humidity of preferably 10-30%, more preferably 15-25%.
- drying can be performed by microwave heating.
- microwave heating the moisture content of the tobacco filler can be adjusted by adjusting the heating time (Fig. 14).
- Microwave heating can typically be done with a microwave oven. When using a 500 W microwave oven, a heating time of, for example, 40-60 seconds can be employed for 5.0 g of untreated tobacco filler (FIG. 14).
- drying can be performed by placing the untreated tobacco filler in the presence of a desiccant.
- drying can be accomplished by subjecting the untreated tobacco filler to sealed conditions with a desiccant.
- a desiccant For example, drying can be carried out at a temperature of 15-25° C. for 10-15 days.
- Silica gel or the like can be used as the desiccant.
- the moisture content of the tobacco filler can be adjusted by adjusting the amount of the desiccant (Fig. 15).
- silica gel for example, 4-10 g of silica gel can be used for 5.0 g of untreated tobacco filler (FIG. 15).
- drying may be performed by hot air drying or by vacuum drying.
- Drying can be performed under conditions where the surface temperature of the tobacco filler is 90°C or less. Drying is preferably carried out under conditions in which the surface temperature of the tobacco filler is normal temperature (ie, 20°C) to 90°C. Drying is more preferably carried out under conditions where the surface temperature of the tobacco filler is 65° C. or lower. Drying is more preferably carried out under conditions where the surface temperature of the tobacco filler is normal temperature (ie, 20°C) to 65°C. If the surface temperature of the tobacco filler becomes too high, the content of the aerosol-generating agent contained in the tobacco filler may decrease.
- the surface temperature of the tobacco filler refers to the temperature measured by a thermography camera, FLIR-C2 machine manufactured by FLIR System Inc.
- the dry tobacco filler thus prepared can be used as a sheet for a non-combustion heating type flavor inhaler.
- the sheet forming method is as described in the first aspect.
- Non-combustion heating type flavor inhaler The non-combustion heating flavor inhaler and non-combustion heating flavor inhalation system in this aspect are as described in the first aspect.
- Packaging products The packaging product in this aspect is as described in the first aspect, except that the tobacco filler reaches an equilibrium moisture content of 3-5% by weight within said packaging.
- drying agent it is possible to use a drying agent that is commonly used as a drying agent for foods and medicines, and for example, silica gel can be used.
- a desiccant is incorporated into the package in an amount necessary to reach an equilibrium moisture content of 3-5% by weight of the tobacco filler.
- the moisture content of the tobacco filler can be adjusted by adjusting the amount of desiccant.
- the tobacco filler is For example, 4-10 g of silica gel can be used for 5.0 g.
- the moisture content of the sheet formed from the tobacco filler changes over time. That is, immediately after the non-combustion heating type flavor inhaler is housed in the package, the moisture content of the sheet is almost the same as that of the sheet formed from the tobacco filler before drying.
- the tobacco filler has a moisture content of 10 to 15% by mass. After that, when the non-combustion heating type flavor inhaler is housed in the package, the drying of the sheet progresses due to the action of the desiccant, and the moisture content of the sheet decreases.
- the tobacco filler in the sheet has an equilibrium moisture content of 3.0-5.0% by weight, preferably an equilibrium moisture content of 3.5-5.0% by weight, more preferably 4.0%. An equilibrium moisture content of ⁇ 5.0 wt% is reached.
- the mainstream smoke temperature and the surface temperature of the tipping paper in a non-combustion heating flavor inhaler containing a sheet formed from the tobacco filler can be reduced. This makes it difficult for the user to feel the heat of the aerosol or the heat of the mouth end of the article when inhaling.
- the amount of tobacco flavor sources such as nicotine
- the amount of aerosol (smoke volume) in mainstream tobacco smoke are increased. It is possible to improve the sucking response.
- the content of the aerosol generating agent in the tobacco filler is less than 20% by mass, the following effects are obtained.
- the aerosol in the tobacco filler evaporates, the heat of vaporization is lost, but when the content of the aerosol-generating agent in the tobacco filler is within the above range, the amount of heat of vaporization that is lost along with the vaporization of the aerosol-generating agent can be suppressed. . Thereby, a decrease in the heating efficiency of the tobacco filler can be suppressed.
- a sheet formed from a tobacco filler having a moisture content of 3 to 5% by mass and an aerosol-generating agent content of less than 20% by mass the user can It is possible to provide a non-combustion heating type flavor inhaler in which the heat of an aerosol and the heat of the mouth end of an article are hardly felt when inhaled, and the response to inhalation is improved.
- Tobacco lamina (leaf tobacco) was dry pulverized with a Hosokawa Micron ACM machine to obtain tobacco powder.
- the cumulative 90% particle diameter (D90) in the volume-based particle size distribution measured by the dry laser diffraction method is measured using a Mastersizer (trade name, manufactured by Spectris Co., Ltd., Malvern Panalytical Division). As a result, it was 200 ⁇ m.
- a tobacco sheet was manufactured using the tobacco powder as a tobacco raw material. Specifically, 70 parts by mass of the tobacco raw material, 12 parts by mass of glycerin as an aerosol generating agent, 4 parts by mass of powdered carboxymethyl cellulose as a first molding agent, and water as a second molding agent. 1 part by mass of swollen carboxymethylcellulose, 5 parts by mass of fibrous pulp as a reinforcing agent, and 8 parts by mass of cocoa powder as a flavoring agent were mixed and kneaded in an extruder. The kneaded product was formed into a sheet by two pairs of metal rolls to obtain a rolled product.
- a rotary roll blade for noodle making was pressed against the rolled product, and the product was cut into strips and given a corrugated shape. Further, it was cut into 20 mm lengths and dried to obtain tobacco sheets with a length of 20 mm and a width of 0.8 mm.
- the thickness direction cross-section of the tobacco sheet had a cross-sectional shape as shown in FIG.
- the swelling property of the obtained tobacco sheet was measured. Specifically, after leaving the tobacco sheet in a conditioned room at 22° C. and 60% for 48 hours, the swelling property was measured with DD-60A (trade name, manufactured by Borgwald). The measurement was carried out by placing 15 g of tobacco sheet in a cylindrical container with an inner diameter of 60 mm and compressing the container with a load of 3 kg for 30 seconds to obtain the volume. Table 1 shows the results. In addition, in Table 1, the swelling property is shown as an increase rate (%) of the swelling property with respect to the reference value of the swelling property value of Comparative Example 1 described later.
- Example 1 A roll-formed product was produced in the same manner as in Example 1. After that, it was cut into strips with a plurality of ring-shaped rotary blades. Further, the tobacco sheet was cut to a length of 20 mm to obtain a tobacco sheet having a length of 20 mm and a width of 0.8 mm. The swelling property of the obtained tobacco sheet was measured in the same manner as in Example 1. Table 1 shows the results.
- the tobacco sheet of Example 1 which is the tobacco sheet according to the present embodiment, has improved swelling properties compared to the tobacco sheet of Comparative Example 1, which is not provided with a corrugated shape.
- Each tobacco stick before drying contains 0.25 g of tobacco filler (i.e., a mixture of tobacco compact and aerosol-generating agent), and the tobacco filler has a moisture content of 13.69% by mass. Then, the tobacco filler contains 15.60% by mass of the aerosol-generating agent relative to the tobacco filler.
- the aerosol generator is a mixture of glycerin and propylene glycol with a weight ratio of glycerin and propylene glycol of 93.48:6.52.
- a Microwave Oven Drying A commercially available microwave oven (DR-D219W5 (2014), 50 Hz, manufactured by Twinbird Industry Co., Ltd.) was used at 500W. Twenty tobacco sticks (tobacco filler; total 5.0 g) were heated in a microwave oven for a predetermined time. Heating times were 20 seconds, 40 seconds, 60 seconds, 80 seconds, or 100 seconds. After heating, 20 tobacco sticks were packed in a polypropylene (PP) zipper bag and sealed with an aluminum pouch bag. This produced a flavor inhaler. Immediately after manufacturing the flavor inhaler, the moisture content of the tobacco filler was measured.
- PP polypropylene
- Silica gel used was a commercial product for drying food (HD 1 g (blue), manufactured by Toyoda Kako Co., Ltd.). Twenty tobacco sticks (tobacco filler; 5.0 g in total) and a predetermined amount of silica gel were packed in a polypropylene (PP) zipper bag, sealed with an aluminum pouch, and allowed to stand for 3 weeks. Drying was performed at room temperature (20° C.). The amount of silica gel was 2g, 4g, 6g, 8g, or 10g. This produced a flavor inhaler. Immediately after manufacturing the flavor inhaler, the moisture content of the tobacco filler was measured.
- PP polypropylene
- FIG. 8 shows the relationship between the heating time of the microwave oven and the moisture content of the tobacco filler, and the relationship between the heating time of the microwave oven and the surface temperature of the tobacco filler.
- FIG. 9 shows the relationship between the amount of silica gel and the moisture content of the tobacco filler.
- the results in FIG. 8 reveal the following. Increasing the microwave heating time decreased the moisture content of the tobacco filler. In addition, the surface temperature of the tobacco filler increased as the heating time in the microwave oven increased. For 20 tobacco sticks (tobacco filler; total 5.0 g), when a heating time of 30 to 40 seconds is adopted in a microwave oven of 500 W, the dryness having a moisture content of more than 5% by mass and 7.5% by mass or less is obtained. A tobacco filler could be prepared.
- a dried tobacco filler having a desired moisture content can be prepared by changing the degree of drying by adjusting the heating time and the amount of desiccant.
- Reference Example A2 Mainstream smoke temperature and chip temperature 2-1. Analysis of Mainstream Smoke Temperature and Chip Temperature
- the flavor inhalers produced in Reference Example A1 and the control flavor inhalers were heated with a Ploom S heating device (Japan Tobacco Inc.).
- the heating device has the structure shown in FIG. After heating, the flavor aspirator was aspirated with an automatic aspirator.
- chip temperature the temperature of mainstream smoke and the surface temperature of the mouthpiece of the flavor inhaler (hereinafter referred to as chip temperature) were analyzed.
- thermocouple product name: manufactured by Toa Denki Co., Ltd., model number TI-SP-K
- TI-SP-K thermocouple
- thermocouple manufactured by Toa Denki Co., Ltd., model number TI-SP-K
- TI-SP-K thermocouple
- FIG. 10 shows the relationship between the tobacco filler moisture content and mainstream smoke temperature, and the relationship between the tobacco filler moisture content and chip temperature.
- the tobacco filler when a tobacco filler with a low moisture content is used in a flavor inhaler, the user does not feel the heat of the aerosol or the heat of the mouthpiece of the article when inhaling. Also, in order to sufficiently lower mainstream smoke temperature and chip temperature, the tobacco filler preferably has a moisture content of 7.5% by mass or less, more preferably 7.0% by mass or less. I understand.
- the tobacco filler was removed from the flavor inhaler, and the contents of nicotine, glycerin, and propylene glycol in the tobacco filler were determined as follows.
- the removed tobacco filler was extracted with a predetermined amount of ethanol (10 mL to 100 mL, adjusted appropriately according to the amount of tobacco filler), and the amount of each component was measured using GC-MS.
- FIG. 11 shows the relationship between the moisture content of the tobacco filler and the nicotine content in the tobacco filler.
- FIG. 12 shows the relationship between the moisture content of the tobacco filler and the glycerin content in the tobacco filler.
- FIG. 13 shows the relationship between the moisture content of the tobacco filler and the content of propylene glycol in the tobacco filler.
- the moisture content of the tobacco filler is preferably greater than 5% by mass. It turns out that it is more preferable that it is mass % or more.
- the results of FIG. 8 show that the surface temperature of the tobacco filler rises to about 65°C when the moisture content of the tobacco filler is lowered to about 5% by mass. Therefore, in order to dry the tobacco filler while maintaining the amount of propylene glycol (aerosol-generating agent) in the tobacco filler, the tobacco filler must be dried so that the surface temperature of the tobacco filler is 65°C or less. It can be seen that it is preferable to carry out under the following conditions.
- Each tobacco stick before drying contains 0.25 g of tobacco filler (i.e., a mixture of tobacco compact and aerosol-generating agent), and the tobacco filler has a moisture content of 13.69% by mass. Then, the tobacco filler contains 15.60% by mass of the aerosol-generating agent relative to the tobacco filler.
- the aerosol generator is a mixture of glycerin and propylene glycol with a weight ratio of glycerin and propylene glycol of 93.48:6.52.
- a Microwave Oven Drying A commercially available microwave oven (DR-D219W5 (2014), 50 Hz, manufactured by Twinbird Industry Co., Ltd.) was used at 500W. Twenty tobacco sticks (tobacco filler; total 5.0 g) were heated in a microwave oven for a predetermined time. Heating times were 20 seconds, 40 seconds, 60 seconds, 80 seconds, or 100 seconds. After heating, 20 tobacco sticks were packed in a polypropylene (PP) zipper bag and sealed with an aluminum pouch bag. This produced a flavor inhaler. Immediately after manufacturing the flavor inhaler, the moisture content of the tobacco filler was measured.
- PP polypropylene
- Silica gel used was a commercial product for drying food (HD 1 g (blue), manufactured by Toyoda Kako Co., Ltd.). Twenty tobacco sticks (tobacco filler; 5.0 g in total) and a predetermined amount of silica gel were packed in a polypropylene (PP) zipper bag, sealed with an aluminum pouch, and allowed to stand for 3 weeks. Drying was performed at room temperature (20° C.). The amount of silica gel was 2g, 4g, 6g, 8g, or 10g. This produced a flavor inhaler. Immediately after manufacturing the flavor inhaler, the moisture content of the tobacco filler was measured.
- PP polypropylene
- FIG. 14 shows the relationship between the heating time in the microwave oven and the moisture content of the tobacco filler, and the relationship between the heating time in the microwave oven and the surface temperature of the tobacco filler.
- FIG. 15 shows the relationship between the amount of silica gel and the moisture content of the tobacco filler.
- Increasing the microwave heating time decreased the moisture content of the tobacco filler.
- the surface temperature of the tobacco filler increased as the heating time in the microwave oven increased.
- a dried tobacco filler having a desired moisture content can be prepared by changing the degree of drying by adjusting the heating time and the amount of desiccant.
- the amount of aerosol-generating agent contained in the tobacco filler was as follows. Control: 15.60% by mass Microwave drying 20 seconds: 15.55% by mass Microwave drying 40 seconds: 16.72% by mass Microwave drying 60 seconds: 16.25% by mass Microwave drying 80 seconds: 15.29% by mass Microwave drying 100 seconds: 14.74% by mass 2 g of dried silica gel: 15.11% by mass 4 g of dried silica gel: 15.38% by mass Silica gel dry 6 g: 15.12% by mass 8 g of dry silica gel: 15.43% by mass 10 g of dried silica gel: 15.59% by mass
- Reference Example B2 Mainstream smoke temperature and chip temperature 2-1. Analysis of Mainstream Smoke Temperature and Chip Temperature
- the flavor inhalers produced in Reference Example B1 and the control flavor inhalers were heated with a Ploom S heating device (Japan Tobacco Inc.).
- the heating device has the structure shown in FIG. After heating, the flavor aspirator was aspirated with an automatic aspirator.
- chip temperature the temperature of mainstream smoke and the surface temperature of the mouthpiece of the flavor inhaler (hereinafter referred to as chip temperature) were analyzed.
- thermocouple product name: manufactured by Toa Denki Co., Ltd., model number TI-SP-K
- TI-SP-K thermocouple
- thermocouple product name: manufactured by Toa Denki Co., Ltd., model number TI-SP-K
- TI-SP-K thermocouple
- FIG. 16 shows the relationship between tobacco filler moisture content and mainstream smoke temperature, and the relationship between tobacco filler moisture content and chip temperature.
- FIG. 17 shows the relationship between the moisture content of the tobacco filler and the nicotine content in mainstream smoke.
- FIG. 18 shows the relationship between the moisture content of the tobacco filler and the glycerin content in mainstream smoke.
- FIG. 19 shows the relationship between the moisture content of tobacco filler and the content of propylene glycol in mainstream smoke.
- the content of propylene glycol in mainstream smoke also increases sharply when the moisture content of the tobacco filler is 5% by mass or less, and increases when the moisture content of the tobacco filler is less than 3% by mass. The increase has accelerated.
- the moisture content of the tobacco filler is preferably 3 to 5% by mass, more preferably 4 to 5% by mass, in order to suppress adverse effects on the flavor and taste. preferable.
- the content of nicotine, glycerin, and propylene glycol in mainstream smoke could be moderately increased by reducing the moisture content of the tobacco filler to 5% by mass or less. That is, in the case of silica gel drying, when the moisture content of the tobacco filler was lowered to 5% by mass or less, the increase in nicotine, glycerin, and propylene glycol in mainstream smoke was moderate compared to microwave oven drying.
- silica gel drying is considered as follows. That is, although the cell membranes and cell walls of the tobacco material were not damaged by silica gel drying, the generation of water vapor during heating decreased due to the decrease in the water content of the tobacco filler, which increased the temperature of the tobacco filler, resulting in The content of nicotine, glycerin and propylene glycol in mainstream smoke is thought to have increased moderately. In this way, silica gel drying can moderately increase the content of nicotine, glycerin, and propylene glycol in mainstream smoke, and thus has a negative impact on flavor and taste (e.g., harshness and irritation) compared to microwave oven drying. ).
- flavor and taste e.g., harshness and irritation
- the results of FIG. 14 indicate that the surface temperature of the tobacco filler rises to about 90° C. when the moisture content of the tobacco filler is lowered to about 3% by mass. Therefore, in order to dry the tobacco filler while suppressing adverse effects on the flavor and taste (for example, harshness and irritation), the tobacco filler must be dried at a temperature where the surface temperature of the tobacco filler is 90°C or less. It is preferable to carry out under the following conditions.
- FIG. 20A shows the relationship between the content of aerosol-generating agents in tobacco filler and the content of components in mainstream smoke.
- FIG. 20B shows the relationship between the content of glycerin in tobacco filler and the content of components in mainstream smoke.
- FIG. 21A shows the relationship between the content of aerosol-generating agents in tobacco filler and the content of components in mainstream smoke.
- FIG. 21B shows the relationship between the content of propylene glycol in tobacco filler and the content of components in mainstream smoke.
- G refers to glycerin, PG to propylene glycol, G+PG to a mixture of glycerin and propylene glycol, and Nic to nicotine.
- the content of the aerosol-generating agent (G + PG) in the tobacco filler is 20% by mass or more, even if the content of the aerosol-generating agent (G + PG) in the tobacco filler increases, the content of glycerin in mainstream smoke also increases. However, the content of propylene glycol in mainstream smoke decreased slightly. Further, when the content of the aerosol-generating agent (G + PG) in the tobacco filler is 20 mass% or more, even if the content of the aerosol-generating agent (G + PG) in the tobacco filler increases, the nicotine content in mainstream smoke is did not increase at all.
- the aerosol-generating agent When the aerosol-generating agent is heated, it evaporates into vapor, and tobacco flavor components such as nicotine migrate into the vapor, generating aerosol (mainstream smoke). As the aerosol-generating agent evaporates, the heat of vaporization is lost. Therefore, when the content of the aerosol-generating agent in the tobacco filler increases, the amount of heat of vaporization also increases, thereby reducing the heating efficiency of the tobacco filler. For this reason, it is believed that the higher the content of the aerosol-generating agent in the tobacco filler, the lower the migration rate of the high-boiling components (ie, glycerin and nicotine) into the aerosol.
- the high-boiling components ie, glycerin and nicotine
- the content of the aerosol-generating agent in the tobacco filler is preferably less than 20% by mass, more preferably 19% by mass or less, and still more preferably 15 to 19% by mass.
- the content of propylene glycol in the tobacco filler is preferably 3% by mass or less, more preferably 1 to 3% by mass.
- a tobacco sheet for a non-combustion heating type flavor inhaler comprising a tobacco raw material, the tobacco sheet having a wavy cross section in the thickness direction of the tobacco sheet.
- Aspect 2 The tobacco raw material is a dry tobacco material, further comprising an aerosol-generating agent; A sheet according to aspect 1, having a moisture content of greater than 5% and up to 7.5% by weight.
- Aspect 3 3. The sheet of aspect 2, wherein the aerosol-generating agent is a mixture of glycerin and propylene glycol.
- the tobacco raw material is a dry tobacco material, comprising less than 20% by weight of an aerosol-generating agent in the sheet; The sheet according to aspect 1, having a moisture content of 3-5% by weight.
- Aspect 5 5.
- a non-combustion heating flavor inhaler comprising a tobacco-containing segment comprising the tobacco sheet for a non-combustion heating flavor inhaler according to any one of aspects 1 to 5.
- Aspect 7 A non-combustion heated flavor inhaler according to aspect 6; a heating device for heating the tobacco-containing segment; A non-combustion heated flavor suction system.
- a method for producing a tobacco sheet for a non-combustion heating type flavor inhaler comprising: preparing a mixture comprising a tobacco raw material, an aerosol-generating agent, a first shaping agent and a second shaping agent; rolling the mixture to form a rolled article; A step of pressing a rotary roll blade against the rolled product to cut it into strips while imparting a corrugated shape; How to prepare.
- a tobacco sheet for a non-combustion heating type flavor inhaler containing a tobacco raw material, the tobacco sheet for a non-combustion heating type flavor inhaler having a corrugated cross-section in the thickness direction of the tobacco sheet.
- the tobacco sheet for a non-combustion heating type flavor inhaler according to [1] wherein the tobacco sheet further contains an aerosol generating agent.
- the aerosol generating agent is at least one selected from the group consisting of glycerin, propylene glycol and 1,3-butanediol.
- the first molding agent is at least one selected from the group consisting of polysaccharides, proteins and synthetic polymers.
- the second molding agent is at least one selected from the group consisting of polysaccharides, proteins and synthetic polymers, which is different from the first molding agent.
- non-combustion heated flavor inhaler tobacco sheet [8] The non-combustion heating type flavor inhalation according to any one of [5] to [7], wherein the ratio of the first molding agent contained in 100% by mass of the tobacco sheet is 0.1 to 15% by mass. Dexterous cigarette sheet. [9] The non-combustion heating type flavor inhalation according to any one of [5] to [8], wherein the ratio of the second molding agent contained in 100% by mass of the tobacco sheet is 0.1 to 15% by mass. Dexterous cigarette sheet.
- a non-combustion heating flavor inhaler comprising a tobacco-containing segment including the tobacco sheet for a non-combustion heating flavor inhaler according to any one of [1] to [9].
- a method for manufacturing a tobacco sheet for a non-combustion heating type flavor inhaler according to any one of [1] to [9], preparing a mixture comprising a tobacco material, an aerosol-generating agent, a first shaping agent, and a second shaping agent; rolling the mixture to form a rolled article; A step of pressing a rotary roll blade against the rolled product to cut it into strips while imparting a corrugated shape; method including.
- a dry tobacco filler comprising a dry tobacco material and an aerosol-generating agent and having a moisture content of more than 5% by mass and not more than 7.5% by mass.
- A2 The water content according to [A1], wherein the water content is 5.1 to 7.5% by mass, preferably 5.1 to 7.0% by mass, more preferably 5.5 to 7.0% by mass. Dry tobacco filler.
- A3 The dry tobacco filler according to [A1] or [A2], wherein the dry tobacco material is a shaped tobacco product.
- [B1] A dry tobacco filler containing a dry tobacco material and an aerosol-generating agent and having a moisture content of more than 5% by mass and not more than 7.5% by mass; and a wrapping paper wound around the dry tobacco filler. a tobacco rod, a filter, and a tipping member connecting said tobacco rod and said filter.
- [B2] The water content according to [B1], wherein the water content is 5.1 to 7.5% by mass, preferably 5.1 to 7.0% by mass, more preferably 5.5 to 7.0% by mass.
- Non-combustion heating type flavor inhaler [B3] The non-combustion-heating flavor inhaler according to [B1] or [B2], wherein the dried tobacco material is a molded tobacco product.
- [B4] The non-combustion heating flavor inhaler according to any one of [B1] to [B3], wherein the aerosol generating agent is a mixture of glycerin and propylene glycol.
- a non-combustion heating flavor inhalation system including the non-combustion heating flavor inhaler according to any one of [B1] to [B4] and an aerosol generator.
- the equilibrium water content is 5.1 to 7.5% by mass, preferably 5.1 to 7.0% by mass, more preferably 5.5 to 7.0% by mass. packaging products.
- [D3] The packaging product according to [D1] or [D2], wherein the tobacco material is a molded tobacco product.
- [D4] The packaging product according to any one of [D1] to [D3], wherein the aerosol-generating agent is a mixture of glycerin and propylene glycol.
- a dry tobacco filling comprising drying a tobacco filler comprising a tobacco material and an aerosol-generating agent to prepare a dry tobacco filler having a moisture content of more than 5% by mass and not more than 7.5% by mass. How the material is made.
- [E4] The method according to any one of [E1] to [E3], wherein the drying is performed by placing the tobacco filler in the presence of a desiccant.
- [F1] A dry tobacco filler produced by the method according to any one of [E1] to [E7].
- a dry tobacco filler comprising a dry tobacco material and less than 20% by mass of an aerosol-generating agent and having a water content of 3 to 5% by mass.
- a dry tobacco filler comprising a dry tobacco material and less than 20% by mass of an aerosol-generating agent and having a moisture content of 3 to 5% by mass; and a wrapping paper wrapped around the dry tobacco filler. a tobacco rod and a filter; A non-combustion heated flavor inhaler comprising a tipping member connecting said tobacco rod and said filter.
- the non-combustion heating flavor inhaler according to [b1] wherein the moisture content is 3.5 to 5% by mass, preferably 4 to 5% by mass.
- a non-combustion heating flavor inhaler comprising the non-combustion heating flavor inhaler according to any one of [b1] to [b6] and an aerosol generator.
- the packaging product wherein the tobacco filler reaches an equilibrium moisture content of 3-5% by weight within the packaging.
- the aerosol-generating agent is a mixture of propylene glycol and glycerol.
- a tobacco filler containing a tobacco material and an aerosol-generating agent is dried under conditions where the surface temperature of the tobacco filler is 90° C. or less to obtain a moisture content of 3 to 5% by mass.
- a method of making a dry tobacco filler comprising preparing a tobacco filler. [e2] The method according to [e1], wherein the drying is performed under the condition that the surface temperature of the tobacco filler is 65°C or lower. [e3] The method of [e1] or [e2], wherein the drying is performed at room temperature and a humidity of 30% or less.
- the method according to 1. [e8] The method according to any one of [e1] to [e7], wherein the tobacco material is a molded tobacco product.
- the aerosol generator is a mixture of propylene glycol and glycerol.
- the method of [e9] wherein the dry tobacco filler contains the propylene glycol in an amount of 3% by mass or less, preferably 1 to 3% by mass.
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Priority Applications (5)
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CN202280070060.3A CN118119289A (zh) | 2021-09-01 | 2022-08-31 | 非燃烧加热型香味抽吸器用烟草片及其制造方法、非燃烧加热型香味抽吸器、以及非燃烧加热型香味抽吸系统 |
JP2023545650A JPWO2023033060A1 (ko) | 2021-09-01 | 2022-08-31 | |
EP22864642.8A EP4397194A1 (en) | 2021-09-01 | 2022-08-31 | Tobacco sheet for non-combustion heating-type fragrance inhaler and method for manufacturing same, non-combustion heating-type fragrance inhaler, and non-combustion heating-type fragrance inhaling system |
KR1020247010377A KR20240048561A (ko) | 2021-09-01 | 2022-08-31 | 비연소 가열형 향미 흡인기용 담배 시트 및 그의 제조 방법, 비연소 가열형 향미 흡인기와 비연소 가열형 향미 흡인 시스템 |
US18/591,757 US20240196953A1 (en) | 2021-09-01 | 2024-02-29 | Tobacco sheet for non-combustion heating-type fragrance inhaler and method for manufacturing same, non-combustion heating-type fragrance inhaler, and non-combustion heating-type fragrance inhaling system |
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PCT/JP2021/032156 WO2023032088A1 (ja) | 2021-09-01 | 2021-09-01 | 乾燥たばこ充填材、非燃焼加熱型香味吸引物品、非燃焼加熱型香味吸引器および包装製品 |
PCT/JP2021/032157 WO2023032089A1 (ja) | 2021-09-01 | 2021-09-01 | 乾燥たばこ充填材、非燃焼加熱型香味吸引物品、非燃焼加熱型香味吸引器および包装製品 |
JPPCT/JP2021/032157 | 2021-09-01 | ||
JPPCT/JP2021/032156 | 2021-09-01 | ||
JP2021170059 | 2021-10-18 | ||
JP2021-170059 | 2021-10-18 |
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US18/591,757 Continuation US20240196953A1 (en) | 2021-09-01 | 2024-02-29 | Tobacco sheet for non-combustion heating-type fragrance inhaler and method for manufacturing same, non-combustion heating-type fragrance inhaler, and non-combustion heating-type fragrance inhaling system |
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EP (1) | EP4397194A1 (ko) |
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JPS6045914B2 (ja) | 1983-09-26 | 1985-10-12 | 日本たばこ産業株式会社 | しわ付シ−トたばこの製造法 |
WO1996032854A2 (en) | 1995-04-20 | 1996-10-24 | Philip Morris Products Inc. | Cigarette and heater for use in an electrical smoking system |
WO2010110226A1 (ja) | 2009-03-23 | 2010-09-30 | 日本たばこ産業株式会社 | 非燃焼タイプ香味吸引物品 |
JP2018516075A (ja) * | 2015-05-29 | 2018-06-21 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | たばこカットフィラーを作製する方法 |
CN108835707A (zh) * | 2018-08-07 | 2018-11-20 | 湖北中烟工业有限责任公司 | 一种电磁感应加热卷烟及其制备方法 |
JP2020114206A (ja) * | 2018-12-20 | 2020-07-30 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | 軽い中空セグメントを備えたエアロゾル発生物品 |
JP2021065222A (ja) * | 2019-10-21 | 2021-04-30 | 科巴特(深▲せん▼)生活科技有限公司Ccobato(Shenzhen)Technology Ltd | 加熱非燃焼タバコ又は非タバコ製品 |
-
2022
- 2022-08-31 WO PCT/JP2022/032817 patent/WO2023033060A1/ja active Application Filing
- 2022-08-31 JP JP2023545650A patent/JPWO2023033060A1/ja active Pending
- 2022-08-31 KR KR1020247010377A patent/KR20240048561A/ko active Search and Examination
- 2022-08-31 EP EP22864642.8A patent/EP4397194A1/en active Pending
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2024
- 2024-02-29 US US18/591,757 patent/US20240196953A1/en active Pending
Patent Citations (7)
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JPS6045914B2 (ja) | 1983-09-26 | 1985-10-12 | 日本たばこ産業株式会社 | しわ付シ−トたばこの製造法 |
WO1996032854A2 (en) | 1995-04-20 | 1996-10-24 | Philip Morris Products Inc. | Cigarette and heater for use in an electrical smoking system |
WO2010110226A1 (ja) | 2009-03-23 | 2010-09-30 | 日本たばこ産業株式会社 | 非燃焼タイプ香味吸引物品 |
JP2018516075A (ja) * | 2015-05-29 | 2018-06-21 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | たばこカットフィラーを作製する方法 |
CN108835707A (zh) * | 2018-08-07 | 2018-11-20 | 湖北中烟工业有限责任公司 | 一种电磁感应加热卷烟及其制备方法 |
JP2020114206A (ja) * | 2018-12-20 | 2020-07-30 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | 軽い中空セグメントを備えたエアロゾル発生物品 |
JP2021065222A (ja) * | 2019-10-21 | 2021-04-30 | 科巴特(深▲せん▼)生活科技有限公司Ccobato(Shenzhen)Technology Ltd | 加熱非燃焼タバコ又は非タバコ製品 |
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US20240196953A1 (en) | 2024-06-20 |
EP4397194A1 (en) | 2024-07-10 |
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