Wrapping Paper For A Smoking Article

Abstract

A wrapping paper for a smoking article includes a base paper, wherein the base paper comprises a fibrous material, a filler material, and one or more burning additives. A paper porosity of the base paper is of 10 to 60 CU. A total amount of the one or more burning additives is of 0.1 to 0.7 wt.-% based on the a dry weight of the base paper.

1 . A wrapping paper for a smoking article, comprising a base paper, wherein the base paper comprises a fibrous material, a filler material, and one or more burning additives, wherein:
 a. a paper porosity of the base paper is 10 to 60 CU; and   b. a total amount of the one or more burning additives is 0.1 to 0.7 wt.-% based on a dry weight of the base paper.   
     
     
         2 . The wrapping paper according to  claim 1 , wherein the one or more burning additives is selected from the group consisting of citrate salts, acetate salts, phosphate salts, tartrate salts, nitrate salts, or mixtures thereof. 
     
     
         3 . The wrapping paper according to  claim 1 , wherein a basis weight of the base paper is 20 to 26 g/m 2 . 
     
     
         4 . The wrapping paper according to  claim 1 , wherein an amount of the filler material is 17 to 28 wt.-% based on the dry weight of the base paper. 
     
     
         5 . The wrapping paper according to  claim 1 , wherein the filler material is selected from the group consisting of calcium carbonate, kaolin, clay, talc, titanium dioxide, alumina trihydrate, precipitated silica and silicates (PSS), or mixtures thereof. 
     
     
         6 . The wrapping paper according to  claim 1 , wherein a diffusion capacity of the base paper is 1.0 to 2.0 cm/s. 
     
     
         7 . The wrapping paper according to  claim 1 , further comprising a plurality of burn-suppressing regions that are provided apart from each other. 
     
     
         8 . The wrapping paper according to  claim 7 , wherein the plurality of burn-suppressing regions are provided on a surface of the base paper. 
     
     
         9 . The wrapping paper according to  claim 7 , wherein the plurality of burn-suppressing regions are provided embedded in a matrix of the base paper. 
     
     
         10 . The wrapping paper according to  claim 7 , wherein a diffusion capacity of the plurality of burn-suppressing regions is 0.10 to 0.35 cm/s. 
     
     
         11 . The wrapping paper according to  claim 10 , wherein a ratio of the diffusion capacity of the plurality of burn-suppressing regions to a diffusion capacity of the base paper is in the range of 5% to 35%. 
     
     
         12 . The wrapping paper according to  claim 7 , wherein the plurality of burn-suppressing regions contain at least one additive that reduces a diffusion capacity of the base paper, and wherein the at least one additives is selected from the group consisting of alginates, polyvinyl alcohol, polyvinyl acetates, modified and unmodified starches, cellulose derivatives, inorganic ions, natural gums, or mixtures thereof. 
     
     
         13 . The wrapping paper according to  claim 7 , wherein the plurality of burn-suppressing regions are in a form of stripes. 
     
     
         14 . The wrapping paper according to  claim 1 , wherein the fibrous material is a cellulosic fibrous material. 
     
     
         15 . A smoking article, comprising a charge of smokable material surrounded by a wrapping paper according to  claim 1 .