Use of polymers in the recycled fiber washing/deinking process

Details Use of polymers in the recycled fiber washing/deinking process Use of polymers in the recycled fiber washing/deinking process

D - Textiles, Paper

21

C

D21C 5/02 (2006.01) D21H 17/45 (2006.01)

Patent

CA 2139884

The present invention is directed to a method for increasing the retention on a washing/thickening device in an aqueous papermaking system. The method generally comprises adding to the furnish solids of the system an effective amount of a cationic polyacrylamide polymer.

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