Tobacco sheet for non-combustion heating type flavor inhaler, non-combustion heating type flavor inhaler, and non-combustion heating type flavor inhalation system

Abstract

Provided is a tobacco sheet having high swelling property for a non-combustion heating type flavor inhaler. The tobacco sheet for a non-combustion heating type flavor inhaler includes tobacco powder having a cumulative 90% particle size (D90) of 200 μm or more in a volume-based particle size distribution measured by a dry laser diffraction method.

1 . A tobacco sheet for a heat-not-burn flavor inhaler, comprising tobacco powder of which a cumulative 90% particle size (D90) in a particle size distribution on a volume basis, measured by dry laser diffractometry, is greater than or equal to 200 μm. 
     
     
         2 . The tobacco sheet for a heat-not-burn flavor inhaler according to  claim 1 , wherein the tobacco powder is at least one tobacco raw material selected from the group consisting of leaf tobacco, leaf midrib, and stalk. 
     
     
         3 . The tobacco sheet for a heat-not-burn flavor inhaler according to  claim 1 , wherein a percentage of the tobacco powder contained in 100 mass % of the tobacco sheet ranges from 45 mass % to 95 mass %. 
     
     
         4 . The tobacco sheet for a heat-not-burn flavor inhaler according to  claim 1 , further comprising an aerosol generator. 
     
     
         5 . The tobacco sheet for a heat-not-burn flavor inhaler according to  claim 4 , wherein the aerosol generator is at least one selected from the group consisting of glycerin, propylene glycol, and 1,3-butanediol. 
     
     
         6 . The tobacco sheet for a heat-not-burn flavor inhaler according to  claim 4 , wherein a percentage of the aerosol generator contained in 100 mass % of the tobacco sheet ranges from 4 mass % to 50 mass %. 
     
     
         7 . The tobacco sheet for a heat-not-burn flavor inhaler according to  claim 1 , further comprising a forming agent. 
     
     
         8 . The tobacco sheet for a heat-not-burn flavor inhaler according to  claim 7 , wherein the forming agent is at least one selected from the group consisting of polysaccharide, protein, and synthetic polymer. 
     
     
         9 . The tobacco sheet for a heat-not-burn flavor inhaler according to  claim 7 , wherein a percentage of the forming agent contained in 100 mass % of the tobacco sheet ranges from 0.1 mass % to 15 mass %. 
     
     
         10 . A heat-not-burn flavor inhaler comprising a tobacco-containing segment including the tobacco sheet for a heat-not-burn flavor inhaler according to  claim 1 . 
     
     
         11 . The heat-not-burn flavor inhaler according to  claim 10 , further comprising a mouthpiece segment, wherein
 the tobacco-containing segment includes a first segment including an aerosol generator and a second segment including the tobacco sheet for a heat-not-burn flavor inhaler, and   the mouthpiece segment includes a cooling segment and a filter segment.   
     
     
         12 . The heat-not-burn flavor inhaler according to  claim 11 , wherein the first segment includes a cylindrical wrapper and a nonwoven fabric made up of plant fibers and filling an inside of the wrapper, and the nonwoven fabric contains the aerosol generator. 
     
     
         13 . The heat-not-bum flavor inhaler according to  claim 10 , wherein
 the heat-not-burn flavor inhaler has a rod shape and further comprises a mouthpiece segment,   the mouthpiece segment includes a filter segment having a filter element, and   the filter element is made of fibers of which a circumferential cross section has a Y-shape and a single fiber denier is greater than or equal to eight and less than or equal to 12.   
     
     
         14 . The heat-not-burn flavor inhaler according to  claim 13 , wherein a density of the filter element is greater than or equal to 0.09 g/cm 3  and less than or equal to 0.14 g/cm 3 . 
     
     
         15 . The heat-not-bum flavor inhaler according to  claim 10 , further comprising:
 an adjacent member adjacent to the tobacco-containing segment; and   a roll wrapping material that rolls to wrap the tobacco-containing segment or a roll wrapping material that rolls to wrap the tobacco-containing segment and the adjacent member, wherein   the roll wrapping material has a high heat transfer portion having a higher heat conductivity than a wrapped member with which the roll wrapping material contacts, and   the high heat transfer portion rolls to wrap an area near a downstream end of the tobacco-containing segment.   
     
     
         16 . The heat-not-burn flavor inhaler according to  claim 15 , wherein the high heat transfer portion rolls to wrap from an area near the downstream end of the tobacco-containing segment to an area near an upstream end of the adjacent member. 
     
     
         17 . A heat-not-burn flavor inhaling system comprising:
 the heat-not-burn flavor inhaler according to  claim 10 ; and   a heating device that heats the tobacco-containing segment.