Process for the production of paper

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

D - Textiles, Paper

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D21H 21/06 (2006.01) D21H 23/76 (2006.01) D21H 17/45 (2006.01) D21H 17/54 (2006.01) D21H 17/66 (2006.01) D21H 17/67 (2006.01) D21H 21/10 (2006.01)

Patent

CA 1290108

Abstract A method for the production of paper by forming and dewatering a suspension of papermaking fibres on a wire. The formation and dewatering takes place in the presence of a cationic polymeric synthetic retention agent, preferably a cationic polyacrylamide, an anionic inorganic colloid and a polyaluminum compound. The process which is carried out at a stock pH above 5 gives an improved dewatering and an improved retention of fine fibres and optional fillers.

560116

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