Process for the production of paper

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

D - Textiles, Paper

21

H

9/44, 9/51

D21H 21/10 (2006.01) D21H 17/32 (2006.01) D21H 17/37 (2006.01) D21H 17/68 (2006.01)

Patent

CA 1324705

Abstract A process for the production of paper by forming and dewatering a suspension of cellulose containing fibers and optional fillers on a wire in the presence of a cationic silica based sol and a cationic polymeric retention agent. The cationic polymeric retention agent is cationic guar gum or a cationic synthetic polymer such as cationic polyacryl- amide. The combination of cationic silica sol and cationic polymeric retention agent gives improved retention of fines and fillers and eases drainage.

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