Tobacco filter material and a method of producing the same

Details Tobacco filter material and a method of producing the same Tobacco filter material and a method of producing the same

A - Human Necessities

24

D

A24D 3/10 (2006.01) A24B 3/02 (2006.01) A24D 3/16 (2006.01)

Patent

CA 2131236

ABSTRACT OF THE DISCLOSURE Using a slurry containing a particulate or fibrous cellulose ester and a wood pulp with a Canadian stand- ard freeness of 100 to 800 ml in a ratio of 10/90 to 90/10 (weight %), a tobacco filter material in the form of a sheet having a nonwoven web structure is produced. The slurry may contain a microfibrillated cellulose in a proportion of 0.1 to 10 weight % on a nonvolatile matter basis. The cellulose ester may be a cellulose acetate with a combined acetic acid in the range of 30 to 62%. This tobacco filter material in a sheet form can be applied to a tobacco filter having a high dry strength and, yet, a high degree of wet disintegrata- bility without adversely affecting the smoking quality of tobacco. Thus, the potential environmental pollu- tion is mitigated by the tobacco filter.

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