A cooling element

Abstract

A cooling element comprising a longitudinally extending substrate, the longitudinally extending substrate including an additive in an amount from 3% to 12% by total weight of the substrate, wherein the additive is selected from (i) propylene glycol, (ii) vegetable glycerin, (iii) propylene glycol and vegetable glycerin or (iv) propylene glycol and 2-isopropyl-N,2,3-trimethylbutyramide.

1 . A cooling element comprising a longitudinally extending substrate, the longitudinally extending substrate including an additive in an amount from 3% to 12% by total weight of the substrate, wherein the additive is selected from (i) propylene glycol, (ii) vegetable glycerin, (iii) propylene glycol and vegetable glycerin or (iv) propylene glycol and 2-isopropyl-N,2,3-trimethylbutyramide. 
     
     
         2 - 25 . (canceled) 
     
     
         26 . The cooling element according to  claim 1 , wherein the additive is in an amount from 6% to 10.5% by total weight of the substrate. 
     
     
         27 . The cooling element according to  claim 1 , wherein the longitudinally extending substrate is made of cellulose acetate or paper (e.g., cellulose based embossed paper) or a non-woven material. 
     
     
         28 . The cooling element according to  claim 27 , wherein the longitudinally extending substrate is thermoformed from cellulose acetate. 
     
     
         29 . The cooling element according to  claim 1 , wherein the length of the cooling element is from 5 to 50 mm, e.g., 10 to 30 mm, e.g., 8 to 24 mm, e.g., 15 to 20 mm, e.g., 18 mm. 
     
     
         30 . The cooling element according to  claim 1 , wherein the circumference of the cooling element is from 12 mm to 30 mm, e.g., 15 mm to 28 mm, e.g., 17 mm to 25 mm. 
     
     
         31 . The cooling element according to  claim 1 , wherein the longitudinally extending substrate has one, or a plurality of, longitudinally extending bore(s). 
     
     
         32 . The cooling element according to  claim 1 , wherein the longitudinally extending substrate has a profiled outer surface including a plurality of grooves or channels. 
     
     
         33 . The cooling element according to  claim 1 , wherein the longitudinally extending substrate has a profiled outer surface including a plurality of grooves or channels and has one, or a plurality of, longitudinally extending bore(s). 
     
     
         34 . A cooling element for a tobacco heating product and/or HNB product comprising a longitudinally extending substrate, the longitudinally extending substrate including an additive in an amount from 3% to 12% by total weight of the substrate, wherein the additive is selected from (i) propylene glycol, (ii) vegetable glycerin, (iii) propylene glycol and vegetable glycerin or (iv) propylene glycol and 2-isopropyl-N,2,3-trimethylbutyramide. 
     
     
         35 . A smoking article (e.g., tobacco heating product, HNB product) comprising the cooling element according to  claim 1  and optionally one or more discrete further segments. 
     
     
         36 . A tobacco heating product and/or HNB product comprising a cooling element comprising a longitudinally extending substrate, the longitudinally extending substrate including an additive in an amount from 3% to 12% by total weight of the substrate, wherein the additive is selected from (i) propylene glycol, (ii) vegetable glycerin, (iii) propylene glycol and vegetable glycerin or (iv) propylene glycol and 2-isopropyl-N,2,3-trimethylbutyramide. 
     
     
         37 . The cooling element according to  claim 1 , wherein the additive or cooling additive is propylene glycol and 2-isopropyl-N,2,3-trimethylbutyramide, optionally wherein the additive or cooling additive is 70% by weight propylene glycol and 30% by weight 2-isopropyl-N,2,3-trimethylbutyramide.