Aerosol-generating material comprising guar gum and starch or modified starch

Abstract

The invention provides an aerosol-generating material comprising: (a) aerosol-former material, (b) a first binder which is guar gum, (c) a second binder which is starch or modified starch, and (d) filler. The invention also provides a method of forming the aerosol-generating material. The invention also provides a consumable for use in a non-combustible aerosol provision device, the consumable comprising an aerosol-generating composition wherein the aerosol generating composition comprises the aerosol-generating material of the invention. The invention also provides a method of generating an aerosol using the non-combustible aerosol provision system and the use of an aerosol-generating composition in a consumable for use with a non-combustible aerosol provision device.

1 . An aerosol-generating material comprising:
 (a) aerosol-former material;   (b) a first binder which is guar gum;   (c) a second binder which is starch or modified starch; and   (d) filler.   
     
     
         2 . The aerosol-generating material of  claim 1 , wherein the second binder is modified starch. 
     
     
         3 . The aerosol-generating material of  claim 1 , wherein the modified starch is one or more of hydroxypropyl starch, carboxymethyl starch sodium, carboxymethyl starch, octenylsuccinic anhydride-modified starch, starch acetate, monostarch phosphate, distarch phosphate, distarch adipate, hydroxypropyl distarch phosphate, phosphorylated distarch phosphate, acetylated distarch phosphate and acetylated distarch adipate. 
     
     
         4 . The aerosol-generating material of  claim 1 , wherein the modified starch comprises (or is) one or more of hydroxypropyl starch, carboxymethyl starch and carboxymethyl starch sodium. 
     
     
         5 . The aerosol-generating material of  claim 1 , wherein the aerosol-generating material comprises the first binder in an amount of about 3-35 wt % of the aerosol-generating material on a dry weight basis. 
     
     
         6 . The aerosol-generating material of  claim 1 , wherein the aerosol-generating material comprises the second binder in a total amount of about 1-20 wt % of the aerosol-generating material on a dry weight basis. 
     
     
         7 . (canceled) 
     
     
         8 . The aerosol-generating material of  claim 1 , wherein the aerosol-former material comprises (or is) one or more of: glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3-butylene glycol, erythritol, meso-Erythritol, ethyl vanillate, ethyl laurate, a diethyl suberate, triethyl citrate, triacetin, a diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, and propylene carbonate. 
     
     
         9 . The aerosol-generating material of  claim 1 , wherein the aerosol-generating material comprises aerosol-former material in a total amount of about 1-80 wt % of the aerosol-generating material on a dry weight basis. 
     
     
         10 . The aerosol-generating material of  claim 1 , wherein the aerosol-generating material comprises aerosol-former material in a total amount of about 40-60 wt % of the aerosol-generating material on a dry weight basis. 
     
     
         11 . The aerosol-generating material of  claim 1 , wherein the filler comprises (or is) wood pulp. 
     
     
         12 . The aerosol-generating material of  claim 1 , wherein the aerosol-generating material comprises filler in a total amount of at least 15 wt % of the aerosol-generating material on a dry weight basis. 
     
     
         13 . The aerosol-generating material of  claim 1 , wherein the aerosol-generating material does not comprise active substance. 
     
     
         14 . (canceled) 
     
     
         15 . An aerosol-generating composition comprising the aerosol-generating material of  claim 1 . 
     
     
         16 . The aerosol-generating composition of  claim 15 , wherein the aerosol-generating composition further comprises tobacco material. 
     
     
         17 . (canceled) 
     
     
         18 . (canceled) 
     
     
         19 . (canceled) 
     
     
         20 . The aerosol-generating composition of  claim 16 , wherein the aerosol-generating material is in the form of a shredded sheet and is blended with the tobacco material. 
     
     
         21 . A consumable for use in a non-combustible aerosol provision device, the consumable comprising an aerosol-generating composition of  claim 15 . 
     
     
         22 . A non-combustible aerosol provision system comprising the consumable of  claim 21  and a non-combustible aerosol provision device, the non-combustible aerosol provision device comprising an aerosol-generation device arranged to generate aerosol from the consumable when the consumable is used with the non-combustible aerosol provision device. 
     
     
         23 . A method of generating an aerosol using the non-combustible aerosol provision system of  claim 22 , the method comprising heating the aerosol-generating material to a temperature of less than 350° C. 
     
     
         24 . (canceled) 
     
     
         25 . A method of forming the aerosol-generating material of  claim 1 , the method comprising:
 (i) providing a slurry comprising the aerosol-former material, first binder which is guar gum, the second binder which is starch or a modified starch, the filler, a solvent and any optional further components of the aerosol-generating material;   (ii) forming a layer of the slurry; and   (iii) drying the slurry to form the aerosol-generating material.   
     
     
         26 . (canceled) 
     
     
         27 . A method for making the aerosol-generating material of  claim 1  using a paper-making process.