A formulation for use in an aerosol-generating system

Abstract

A formulation for an aerosol-generating system is provided, the formulation including: one or more aerosol formers; and one or more polymers selected from the group consisting of: polyvinyl acetate, polyvinyl alcohol, polyethylene glycol, polyglycolic acid, polylactic acid, polydioxanone, polycaprolactone, polyethylene, polypropylene glycol, and starch, in which the formulation has a melting point of between 100 degrees Celsius and 300 degrees Celsius. An aerosol-generating article for the aerosol-generating system, and an aerosol-generating system, are also provided.

1 .- 15 . (canceled) 
     
     
         16 . A formulation for an aerosol-generating system, the formulation comprising:
 one or more aerosol formers; and   one or more polymers selected from the group consisting of: polyvinyl acetate, polyvinyl alcohol, polyethylene glycol, polyglycolic acid, polylactic acid, polydioxanone, polycaprolactone, polyethylene, polypropylene glycol, and starch,   wherein the formulation has a melting point of between 100 degrees Celsius and 300 degrees Celsius.   
     
     
         17 . The formulation according to  claim 16 , wherein the formulation has a melting point of between 180 degrees Celsius and 270 degrees Celsius. 
     
     
         18 . The formulation according to  claim 16 , wherein the formulation has an aerosol former content of between 20 percent by weight and 85 percent by weight. 
     
     
         19 . The formulation according to  claim 18 , wherein the formulation has an aerosol former content of between 35 percent by weight and 55 percent by weight. 
     
     
         20 . The formulation according to  claim 17 , wherein the one or more aerosol formers comprise one or more water-miscible polyhydric alcohols. 
     
     
         21 . The formulation according to  claim 20 , wherein the one or more water-miscible polyhydric alcohols are selected from the group consisting of: vegetable glycerol, propylene glycol, and sorbitol. 
     
     
         22 . The formulation according to  claim 16 , further comprising one or more organic acids. 
     
     
         23 . The formulation according to  claim 22 , wherein the formulation has an organic acid content of less than 10 percent by weight. 
     
     
         24 . The formulation according to  claim 22 , wherein the one or more organic acids are selected from the group consisting of: malonic acid, citric acid, 2-ethylbutyric acid, acetic acid, adipic acid, benzoic acid, butyric acid, cinnamic acid, cycloheptane-carboxylic acid, fumaric acid, glycolic acid, hexanoic acid, lactic acid, levulinic acid, malic acid, myristic acid, octanoic acid, oxalic acid, propanoic acid, pyruvic acid, succinic acid, and undecanoic acid. 
     
     
         25 . The formulation according to  claim 24 , wherein the one or more organic acids are selected from the group consisting of: malonic acid, citric acid, lactic acid, benzoic acid, levulinic acid, fumaric acid, and acetic acid. 
     
     
         26 . The formulation according to  claim 16 , wherein the formulation has a polymer content of greater than or equal to about 0.5 percent by weight. 
     
     
         27 . The formulation according to  claim 16 , further comprising one or more metal salts. 
     
     
         28 . The formulation according to  claim 27 , wherein the one or more metal salts are selected from the group consisting of: metal alginates, metal cinnamates, metal cycloheptanecarboxylates, metal levulinates, metal propanoates, metal stearates, and metal undecanoates. 
     
     
         29 . The formulation according to  claim 28 , wherein the one or more metal salts are selected from the group consisting of: metal cinnamates, metal cycloheptanecarboxylates, metal stearates, and metal undecanoates. 
     
     
         30 . An aerosol-generating article for an aerosol-generating system, the aerosol-generating article containing a formulation according to  claim 16 . 
     
     
         31 . An aerosol-generating system, comprising:
 a formulation according to  claim 16 ; and   an atomiser configured to generate an aerosol from the formulation.