Coolant for heat-not-burn tobacco, heat-not-burn tobacco, and electrically heated tobacco product

Abstract

Provided is a coolant for heat-not-burn tobacco, which comprises a polyhydric alcohol and a porous granular base material, wherein the polyhydric alcohol is impregnated into the granular base material.

1 . A coolant for a non-combustion-heating-type tobacco,
 wherein the coolant comprises a polyhydric alcohol and a porous granular base material,   the granular base material being impregnated with the polyhydric alcohol.   
     
     
         2 . The coolant for a non-combustion-heating-type tobacco according to  claim 1 , wherein a content of the polyhydric alcohol in the coolant for a non-combustion-heating-type tobacco is 3% by weight or more and 39% by weight or less. 
     
     
         3 . The coolant for a non-combustion-heating-type tobacco according to  claim 1 , wherein the porous granular base material is one or more selected from the group consisting of charcoal, calcium carbonate, cellulose, acetate, sugar, starch, and chitin. 
     
     
         4 . The coolant for a non-combustion-heating-type tobacco according to  claim 1 , wherein a volume of pores included in the porous granular base material is 0.3 mL/g or more and 0.8 mL/g or less. 
     
     
         5 . The coolant for a non-combustion-heating-type tobacco according to  claim 1 , wherein the coolant has an average particle size of 212 μm or more and 600 μm or less. 
     
     
         6 . The coolant for a non-combustion-heating-type tobacco according to  claim 1 , wherein the coolant has a bulk density of 0.55 g/cm 3  or more and 0.80 g/cm 3  or less. 
     
     
         7 . A non-combustion-heating-type tobacco comprising a mouthpiece portion including the coolant for a non-combustion-heating-type tobacco according to  claim 1 . 
     
     
         8 . The non-combustion-heating-type tobacco according to  claim 7 , wherein the mouthpiece portion includes a cooling segment, and at least the cooling segment includes the coolant for a non-combustion-heating-type tobacco. 
     
     
         9 . An electric heating tobacco product comprising an electric heating device including a heater member, a battery unit serving as a power source for the heater member, and a control unit for controlling the heater member, and the non-combustion-heating-type tobacco according to  claim 7 , the non-combustion-heating-type tobacco being inserted in the electric heating device so as to come into contact with the heater member. 
     
     
         10 . A method for producing a coolant for a non-combustion-heating-type tobacco, the method comprising:
 a step A of spraying a solution including a polyhydric alcohol to a porous granular base material or adding the solution dropwise to the porous granular base material to prepare granules; and   a step B of drying the granules.   
     
     
         11 . The method for producing a coolant for a non-combustion-heating-type tobacco according to  claim 10 , wherein, in the step A, the solution is sprayed or added dropwise to the porous granular base material to prepare granules while the porous granular base material is caused to flow.