Process for increasing the wet strength of porous plug wraps...

Details Process for increasing the wet strength of porous plug wraps... Process for increasing the wet strength of porous plug wraps...

A - Human Necessities

24

D

A24D 1/02 (2006.01) D21H 17/17 (2006.01) D21H 19/60 (2006.01)

Patent

CA 2277131

A process for increasing the wet tensile strength properties of a porous plug wrap paper for use in smoking articles is disclosed. The wet strength properties of the paper are increased by incorporating into the paper an alkyl ketene dimes and by applying a size containing polyvinyl alcohol to a surface of the paper. The wet strength properties of the paper can be increased without using cross-linking agents. Porous plug wrap papers made in accordance with the present invention can have a wet tensile strength retention of at least 20%.

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