Process for the production of paper

Details Process for the production of paper Process for the production of paper

D - Textiles, Paper

21

H

9/39, 9/64

D21H 21/10 (2006.01) D21H 17/74 (1995.01)

Patent

CA 1337732

A process for the production of paper by forming and dewatering a suspension of cellulose containing fibres, and optional fillers, on a wire. The forming and dewatering is carried out in the presence of a combination of a cationic retention agent and a polymeric silicic acid having a high specific surface area. The combination of substances improves dewatering and retention of fines and fillers.

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