Aerosol-generating compositions

Abstract

This application relates to an aerosol-generating composition comprising a plurality of elongate strips of a first aerosol-generating material, wherein each elongate strip of the first aerosol-generating material comprises corrugations and a longitudinal dimension and wherein the corrugations extend transverse to the longitudinal dimension.

1 . An aerosol-generating composition comprising a plurality of elongate strips of a first aerosol-generating material, wherein each elongate strip of the first aerosol-generating material comprises corrugations and a longitudinal dimension and wherein the corrugations extend transverse to the longitudinal dimension. 
     
     
         2 . The aerosol-generating composition as claimed in  claim 1 , wherein each elongate strip of the first aerosol-generating material comprises a dimension perpendicular to the longitudinal dimension, wherein the perpendicular dimension is from about 0.5 mm to about 2 mm. 
     
     
         3 . The aerosol-generating composition as claimed in  claim 1 , wherein each elongate strip of the first aerosol-generating material comprises a first surface and a second surface and the first surface and/or the second surface comprises the corrugations. 
     
     
         4 . The aerosol-generating composition as claimed in  claim 1 , wherein each elongate strip has a tensile strength of greater than about 4 N/15 mm. 
     
     
         5 . The aerosol-generating composition as claimed in  claim 1 , wherein the first aerosol-generating material comprises a moisture content of from about 6 wt % to about 12 wt % (OV). 
     
     
         6 . The aerosol-generating composition as claimed in  claim 1 , wherein the first aerosol-generating material comprises an aerosol former in an amount of at least about 10%. 
     
     
         7 . The aerosol-generating composition as claimed in  claim 1 , wherein the first aerosol-generating material comprises botanical material. 
     
     
         8 . The aerosol-generating composition as claimed in  claim 1 , wherein the first aerosol-generating material comprises a binder. 
     
     
         9 . The aerosol-generating material as claimed in  claim 1 , wherein the first aerosol-generating material comprises or consists of bandcast tobacco. 
     
     
         10 . The aerosol-generating composition as claimed in  claim 1 , wherein the aerosol-generating composition comprises a second aerosol-generating material. 
     
     
         11 . The aerosol-generating composition as claimed in  claim 10 , wherein the second aerosol-generating material comprises:
 a binder;   an aerosol former;   optionally a flavour;   optionally an active;   and optionally a flavour.   
     
     
         12 . The aerosol-generating composition as claimed in  claim 1 , wherein the second aerosol-generating material comprises a plurality of elongate strips comprising corrugations, wherein each elongate strip of the second aerosol-generating material comprises a longitudinal dimension and wherein the corrugations extend transverse to the longitudinal dimension. 
     
     
         13 . An article for use in a non-combustible aerosol provision device, the article comprising an aerosol-generating composition as claimed in  claim 1 . 
     
     
         14 . The article as claimed in  claim 13 , wherein the first aerosol-generating material comprises a bulk density of from about 500 mg/cm 3  to about 1000 mg/cm 3 . 
     
     
         15 . The article as claimed in either  claim 13 , wherein the article comprises an aerosol-generating section comprising a rod comprising the aerosol-generating composition circumscribed by a wrapper 
     
     
         16 . The article as claimed in  claim 13 , wherein the aerosol-generating composition consists essentially of the first aerosol-generating material. 
     
     
         17 . The article as claimed in  claim 13 , wherein the rod comprises a hardness of at least about 80% as measured using Test Method A. 
     
     
         18 . The article as claimed in  claim 13 , wherein the aerosol-generating composition has a density of 0.4 to 1 mg/mm 3  and a hardness of 80 to 85% as measured using Test Method A. 
     
     
         19 . The article as claimed in  claim 13 , wherein the article comprises a proximal end, a distal end and a longitudinal axis extending between the proximal end and the distal end and wherein the corrugations of the elongate strips of the first aerosol-generating material extend transverse relative to the longitudinal axis of the article. 
     
     
         20 . The article as claimed in  claim 13 , wherein the article is configured to receive an aerosol generator configured to be inserted into the article such that when the aerosol generator is inserted into, and received by, the article, the aerosol-generator is in contact with the aerosol generating composition. 
     
     
         21 . The article as claimed in  claim 13 , wherein the aerosol-generating section is elongate and comprises a pressure drop of from about 1.5 mmWG/mm to about 5 mmWg/mm of a length of the aerosol-generating section. 
     
     
         22 . The article as claimed in  claim 21 , wherein the article comprises the aerosol-generating composition in an amount of between about 18 mg/mm of the length of the aerosol-generating section and about 24 mg/mm of the length of the aerosol-generating section. 
     
     
         23 . The article as claimed in  claim 22 , wherein the article comprises a hardness of at least about 80%, as measured using Test Method A. 
     
     
         24 . A method for manufacturing an aerosol-generating material, the process comprising:
 providing a sheet of aerosol-generating material;   forming corrugations in the sheet of aerosol-generating material; and   shredding the sheet of aerosol-generating material to form a plurality of elongate strips of aerosol-generating material comprising corrugations, wherein each elongate strip of aerosol-generating material comprises a longitudinal dimension and wherein the corrugations extend transverse to the longitudinal dimension.   
     
     
         25 . (canceled) 
     
     
         26 . (canceled) 
     
     
         27 . The method as claimed in claim  40 , wherein the sheet of aerosol-generating material comprises a first surface and a second surface opposite the first surface and the corrugations are formed in the first surface and/or the second surface. 
     
     
         28 . The method as claimed in claim  40 , wherein the elongate strips of aerosol-generating material each comprise a first surface and a second surface opposite the first surface and the corrugations are formed in the first surface and/or the second surface. 
     
     
         29 . The method as claimed in claim  40 , wherein the corrugations are formed by embossing the sheet of aerosol-generating material. 
     
     
         30 . The method as claimed in claim  40 , wherein the process comprises conditioning the sheet of aerosol-generating material at 22° C. at 45% humidity. 
     
     
         31 . The process as claimed claim  40 , wherein the sheet of aerosol-generating material has a minimum tensile strength of 4 N per 15 mm. 
     
     
         32 . (canceled) 
     
     
         33 . (canceled) 
     
     
         34 . (canceled) 
     
     
         35 . A device for manufacturing an aerosol-generating material, wherein the device comprises:
 a first rotatable roller and a second rotatable roller, wherein the first roller comprises a first series of lobes and the second roller comprises a second series of lobes, wherein the first series of lobes and the second series of lobes are intermeshed,   wherein the first series of lobes comprises a first surface and the second series of lobes comprise a second surfaces and wherein at least one of the first surface and/or the second surface comprises ridges and groves.   
     
     
         36 . The device as claimed in  claim 35 , wherein the first rotatable roller and the second rotatable roller are configured to shred a sheet of aerosol-generating material into elongate strips of aerosol-generating material. 
     
     
         37 . The device as claimed in  claim 36 , wherein the ridges and groves are configured to emboss corrugations on a sheet of aerosol-generating material as the sheet of aerosol-generating material is moved between the first rotatable roller and the second rotatable roller. 
     
     
         38 . A system comprising:
 an article comprising an aerosol-generating composition comprising a plurality of elongate strips of a first aerosol-generating material, wherein each elongate strip of the first aerosol-generating material comprises corrugations and a longitudinal dimension and wherein the corrugations extend transverse to the longitudinal dimension; and   a non-combustible aerosol provision device.   
     
     
         39 . (canceled) 
     
     
         40 . The method of  claim 24 , wherein the method steps occur in one of the following orders: the shredding step occurs before the corrugation step, the shredding step occurs after the corrugation step, and the shredding and corrugation steps occur simultaneously.