초록 ▼

The present invention is directed to a method for improving the ash characteristics of a paper wrapper for a smoking article and for improving the ash characteristics of the smoking article itself. Specifically, it has been unexpectedly discovered that the ash cohesiveness of a paper wrapper is noti

The present invention is directed to a method for improving the ash characteristics of a paper wrapper for a smoking article and for improving the ash characteristics of the smoking article itself. Specifically, it has been unexpectedly discovered that the ash cohesiveness of a paper wrapper is noticeably improved when carbon fibers having an average length less than about 0.75 inches are incorporated into the paper in an amount up to about 60% by weight. Paper wrappers made with carbon fibers in accordance with the present invention have superior ash characteristics in comparison to paper wrappers incorporating only flax or other cellulosic fibers. Further, the ash cohesiveness of the paper is improved without resulting in the decline in the quality of other ash characteristics.

대표청구항 ▼

[ What is claimed is:] [1.]1. A paper wrapper for a smoking article having improved ash characteristics comprising:a paper web comprising cellusoic fibers and a filler, said filler being present in said web in an amount from about 20% to about 40% by weight;carbon fibers incorporated into said paper

[ What is claimed is:] [1.]1. A paper wrapper for a smoking article having improved ash characteristics comprising:a paper web comprising cellusoic fibers and a filler, said filler being present in said web in an amount from about 20% to about 40% by weight;carbon fibers incorporated into said paper web, said carbon fibers having an average length of from about 0.125 inches to about 0.50 inches, said carbon fibers being incorporated into said paper web in an amount from about 5% to about 30% by weight; andwherein said paper wrapper has a basis weight of from about 18 gsm to about 60 gsm, and a permeability of from about 5 Coresta units to about 80 Coresta units.