Method of papermaking using crosslinked cationic/amphoteric...

C - Chemistry – Metallurgy – 08 – B

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C08B 31/00 (2006.01) D21H 17/28 (2006.01) D21H 17/29 (2006.01)

Patent

CA 2112197

A method of making paper in an alkaline or acid system wherein a selected crosslinked, cationized or amphoteric starch is added to the system, said starch being crosslinked by adding enough crosslinking agent to provide a starch having a breakdown viscosity of from about 2 to 85% and wherein the crosslinked, cationized or amphoteric starch is jet cooked under super atmospheric pressure at a temperature of from about 195 to 325°F.

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