Aerosol generation

Abstract

The present invention relates to a method of forming an aerosol-generating material; aerosol-generating materials obtainable by the method; aerosol-generating films obtainable by the method: aerosol-generating compositions comprising the aerosol-generating material: articles for use within a non-combustible aerosol provision system; and non-combustible aerosol provision systems comprising the article. The method comprises mixing a gelling agent: solvent and any optional further components of the aerosol-generating material; separately mixing the constituent, derivative or extract of cannabis with aerosol-former material and an antioxidant; combining the two mixtures together to form a slurry; and drying the slurry to form the aerosol-generating material.

1 . A method of forming an aerosol-generating material comprising: a constituent, derivative or extract of cannabis; an antioxidant; aerosol-former material; and gelling agent; the method comprising:
 (a) mixing the gelling agent, a solvent and any optional further components of the aerosol-generating material;   (b) separately mixing together the constituent, derivative or extract of cannabis with the aerosol-former material and an antioxidant;   (c) combining the mixtures of parts (a) and (b) to form a slurry;   (d) forming a layer of the slurry; and   (e) drying the slurry to form the aerosol-generating material.   
     
     
         2 . The method according to  claim 1 , wherein the slurry is set to form a gel prior to drying step (e). 
     
     
         3 . The method according to  claim 1 , wherein the thickness of the layer formed in step (d) is less than 4 mm. 
     
     
         4 . (canceled) 
     
     
         5 . The method according to  claim 1 , wherein the aerosol-generating material comprises 1-60 wt % gelling agent. 
     
     
         6 . The method according to  claim 1 , wherein the aerosol-generating material comprises 5-80 wt % aerosol-former material. 
     
     
         7 . The method according to  claim 1 , wherein the aerosol-generating material comprises 1-50 wt % constituent(s), derivative(s) or extract(s) of cannabis. 
     
     
         8 . The method according to  claim 1 , wherein the aerosol-generating material comprises about 0.01 to about 0.25 wt % antioxidant. 
     
     
         9 . The method according to  claim 1 , wherein the aerosol-generating material further comprises a setting agent. 
     
     
         10 . (canceled) 
     
     
         11 . (canceled) 
     
     
         12 . The method according to  claim 1 , wherein the gelling agent comprises or is one or more compounds selected from polysaccharide gelling agents, such as alginate, pectin, starch or a derivative thereof, cellulose or a derivative thereof, pullulan, carrageenan, agar and agarose; gelatin; gums, such as xanthan gum, guar gum and acacia gum; silica or silicone compounds, such as PDMS and sodium silicate; clays, such as kaolin; and polyvinyl alcohol. 
     
     
         13 . (canceled) 
     
     
         14 . (canceled) 
     
     
         15 . (canceled) 
     
     
         16 . (canceled) 
     
     
         17 . (canceled) 
     
     
         18 . The method according to  claim 1 , wherein the constituent, derivative or extract of cannabis is a cannabinoid. 
     
     
         19 . The method according to  claim 18 , wherein the cannabinoid is selected from cannabigerol (CBG), cannabichromene (CBC), cannabidiol (CBD), tetrahydrocannabinol (THC), cannabinol (CBN), cannabinodiol (CBDL), cannabicyclol (CBL), cannabivarin (CBV), tetrahydrocannabivarin (THCV), cannabidivarin (CBDV), cannabichromevarin (CBCV), cannabigerovarin (CBGV), cannabigerol monomethyl ether (CBGM), cannabinerolic acid, cannabidiolic acid (CBDA), cannabinol propyl variant (CBNV), cannabitriol (CBO), tetrahydrocannabmolic acid (THCA), and tetrahydrocannabivarinic acid (THCV A). 
     
     
         20 . (canceled) 
     
     
         21 . The method according to  claim 1 , wherein the antioxidant is an enediol. 
     
     
         22 . The method according to  claim 1 , wherein the antioxidant is selected from ascorbic acid, sodium ascorbate, retinol, cholecalciferol and combinations thereof. 
     
     
         23 . The method according to  claim 1 , wherein the layer of slurry is formed on a carrier. 
     
     
         24 . The method according to  claim 23 , wherein the aerosol-generating material contains no filler. 
     
     
         25 . (canceled) 
     
     
         26 . An aerosol-generating material, obtainable or obtained by a method according to  claim 1 . 
     
     
         27 . An aerosol-generating film, obtainable or obtained by a method according to  claim 1 , wherein the thickness of the film is in the range of about 0.01 mm to about 1 mm, suitably about 0.05 mm to about 0.3 mm. 
     
     
         28 . An aerosol-generating composition comprising the aerosol-generating material of  claim 26  or the aerosol-generating film of  claim 27 . 
     
     
         29 . An article for use within a non-combustible aerosol provision system, the article comprising an aerosol-generating composition according to  claim 28 . 
     
     
         30 . A non-combustible aerosol provision system comprising the article according to  claim 29  and a non-combustible aerosol provision device, the non-combustible aerosol provision device comprising an aerosol-generation device to generate aerosol from the article when the article is used with the non-combustible aerosol provision device.