RETENTION AND DRAINAGE AID FOR PAPERMAKING

RETENTION AND DRAINAGE AID FOR PAPERMAKING A papermaking stock comprising cellulose fibers in an aqueous medium at a concentration of preferably about 50% by weight of the total solids in the stock including a retention and dewatering aid comprising a two component combination of an anionic polyacry...

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Bibliographische Detailangaben
1. Verfasser: RUSHMERE, JOHN D
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:RETENTION AND DRAINAGE AID FOR PAPERMAKING A papermaking stock comprising cellulose fibers in an aqueous medium at a concentration of preferably about 50% by weight of the total solids in the stock including a retention and dewatering aid comprising a two component combination of an anionic polyacrylamide and a cationic colloidal silicia sol. The stock exhibits enhanced resistance to shear forces during the papermaking process. A papermaking process is also described.