Aerosol generation

Abstract

An aerosol-generating composition including an amorphous solid, the amorphous solid having: (a) aerosol generating agent in an amount of from about 1 to 80 wt % of the amorphous solid; (b) one or more gelling agents selected from cellulosic gelling agents; (c) optionally a filler; and (d) a flavorant; wherein the amount of gelling agent and any filler taken together is from about 20 to 75 wt % of the amorphous solid.

1 . An aerosol-generating composition comprising an amorphous solid, the amorphous solid comprising:
 (a) aerosol generating agent in an amount of from about 1 to 80 wt % of the amorphous solid;   (b) one or more gelling agents selected from cellulosic gelling agents;   (c) optionally a filler; and   (d) a flavorant;   
       wherein the amount of gelling agent and any filler taken together is from about 20 to 75 wt % of the amorphous solid. 
     
     
         2 . The aerosol-generating composition of  claim 1 , wherein the filler is present in an amount of at least about 1 wt % of the amorphous solid. 
     
     
         3 . The aerosol-generating composition of  claim 1 , wherein the filler is present in an amount of at least about 5 wt % of the amorphous solid. 
     
     
         4 . The aerosol-generating composition of  claim 1 , wherein the filler is present in an amount of at least about 10 wt % of the amorphous solid. 
     
     
         5 . The aerosol-generating composition of  claim 1 , wherein the filler is present in an amount of at least about 15 wt % of the amorphous solid. 
     
     
         6 . The aerosol-generating composition according to  claim 1 , wherein the flavorant comprises menthol. 
     
     
         7 . The aerosol-generating composition according to  claim 1 , wherein the flavorant comprises spearmint. 
     
     
         8 . The aerosol-generating composition according to  claim 1 , wherein the filler is comprised in the amorphous solid in an amount of from about 15 to about 35 wt %, such as about 20 to about 35 wt %, of the amorphous solid. 
     
     
         9 . The aerosol-generating composition according to  claim 1 , wherein the aerosol generating agent is comprised in the amorphous solid in an amount of from about 30 to about 60 wt %, such as from about 35 to about 60 wt % or about 40 wt % to about 60 wt % of the amorphous solid. 
     
     
         10 . The aerosol-generating composition according to  claim 1 , wherein the gelling agent is comprised in the amorphous solid in an amount of from about 20 to about 40 wt %, such as about 20 to about 35 wt %, of the amorphous solid. 
     
     
         11 . The aerosol-generating composition according to  claim 1 , wherein the composition comprises from about 1 to about 50 wt % flavorant. 
     
     
         12 . The aerosol-generating composition according to  claim 1 , wherein the composition comprises from about 30 to about 50 wt % flavorant. 
     
     
         13 . The aerosol-generating composition according to  claim 1 , wherein the composition comprises from about 5 to about 30 wt % flavorant. 
     
     
         14 . The aerosol-generating composition according to  claim 1 , wherein the gelling agent comprises carboxymethylcellulose. 
     
     
         15 . The aerosol-generating composition according to  claim 1 , wherein any filler comprises wood pulp. 
     
     
         16 . The aerosol-generating composition according to  claim 1 , wherein any filler comprises maltodextrin or microcrystalline cellulose (MCC), 
     
     
         17 . The aerosol-generating composition according to  claim 1 , wherein any filler has a density less than about 0.5 g/cm3. 
     
     
         18 . The aerosol-generating composition according to  claim 1 , wherein the aerosol generating agent comprises glycerol, optionally in combination with propylene glycol. 
     
     
         19 . The aerosol-generating composition according to  claim 1 , wherein the aerosol-generating composition consists of aerosol generating agent, filler, gelling agent and flavorant. 
     
     
         20 . An article for use with a non-combustible aerosol provision device, the article comprising the aerosol-generating composition according to  claim 1 . 
     
     
         21 . An article for use with a non-combustible aerosol provision device according to  claim 20 , wherein the amorphous solid is provided in the article in sheet form. 
     
     
         22 . A non-combustible aerosol provision system comprising an article according to claim  claims 20  and a non-combustible aerosol provision device, wherein the non-combustible aerosol provision device is configured to generate aerosol from the article when the article is used with the non-combustible aerosol provision device. 
     
     
         23 . The system according to  claim 22  wherein the non-combustible aerosol provision device comprises a heater configured to heat but not burn the article. 
     
     
         24 . A slurry comprising:
 (a) about 1 to 80 wt % aerosol generating agent;   (b) one or more gelling agents selected from cellulosic gelling agents;   (c) optionally a filler; and   (d) a flavorant;   
       the weights % being calculated on a dry weight basis, wherein the amount of gelling agent and any filler taken together is from about 20 to 75 wt %; and
 (e) a solvent. 
 
     
     
         25 . A method of making an aerosol generating composition according to  claim 1 , the aerosol generating composition comprising an amorphous solid, the method comprising:
 (i) combining
 (a) about 1 to 80 wt % aerosol generating agent; 
 (b) one or more gelling agents selected from cellulosic gelling agents;
 (c) optionally a filler, wherein the amount of gelling agent and any filler taken together is from about 20 to 75 wt %; and 
 
   (d) a flavorant;   the weights % being calculated on a dry weight basis, and
 (e) a solvent, 
    to form a slurry;   (ii) forming a layer of the slurry;   (iii) setting the slurry to form a gel; and   (iv) drying the gel to form the amorphous solid.   
     
     
         26 . A method of generating an aerosol using a non-combustible aerosol provision system according to  claim 22 , the method comprising heating the aerosol-generating composition to a temperature of less than 350° C. 
     
     
         27 . Use of the non-combustible aerosol provision system according to  claim 22 .