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; one or more metal salts; and one or more polymeric thickening agents, in which the formulation has a polymeric thickening agent content of greater than or equal to about 0.5 percent by weight, and in which the one or more metal salts include one or more metal stearates. An aerosol-generating article for the aerosol-generating system, and an aerosol-generating system, are also provided.

1 .- 14 . (canceled) 
     
     
         15 . A formulation for an aerosol-generating system, the formulation comprising:
 one or more aerosol formers;   one or more metal salts; and   one or more polymeric thickening agents,   wherein the formulation has a polymeric thickening agent content of greater than or equal to about 0.5 percent by weight, and   wherein the one or more metal salts include one or more metal stearates.   
     
     
         16 . The formulation according to  claim 15 , wherein the formulation has a polymeric thickening agent content of between about 5 percent by weight and about 20 percent by weight. 
     
     
         17 . The formulation according to  claim 15 , wherein the one or more polymeric thickening agents are selected from the group consisting of: polyvinyl alcohol, polyethylene glycol, polypropylene glycol, and starch. 
     
     
         18 . The formulation according to  claim 15 , wherein the one or more metal salts are selected from the group consisting of: metal alginates, metal benzoates, metal cinnamates, metal cycloheptanecarboxylates, metal levulinates, metal propanoates, metal stearates, and metal undecanoates. 
     
     
         19 . The formulation according to  claim 18 , wherein the one or more metal salts are selected from the group consisting of metal cinnamates, metal cycloheptanecarboxylates, metal stearates, and metal undecanoates. 
     
     
         20 . The formulation according to  claim 15 , wherein the formulation has a metal stearate content of greater than or equal to about 0.5 percent. 
     
     
         21 . The formulation according to  claim 15 , wherein the one or more metal stearates comprise sodium stearate. 
     
     
         22 . The formulation according to  claim 15 , wherein the one or more aerosol formers comprise glycerine. 
     
     
         23 . The formulation according to  claim 22 , wherein the one or more aerosol formers comprise glycerine and propylene glycol. 
     
     
         24 . The formulation according to  claim 23 , wherein a ratio of the weight percent glycerine content to the weight percent propylene glycol content of the formulation is greater than or equal to about 1.5. 
     
     
         25 . The formulation according to  claim 15 , wherein the formulation has an aerosol former content of greater than or equal to about 50 percent by weight. 
     
     
         26 . The formulation according to  claim 15 , further comprising water. 
     
     
         27 . The formulation according to  claim 26 , wherein the formulation has a water content of less than or equal to about 30 percent by weight. 
     
     
         28 . An aerosol-generating article for an aerosol-generating system, the aerosol-generating article containing a formulation according to  claim 15 . 
     
     
         29 . An aerosol-generating system, comprising:
 a formulation according to  claim 15 ; and   an atomiser configured to generate an aerosol from the formulation.