Pollution-free cationization of starch

Details Pollution-free cationization of starch Pollution-free cationization of starch

C - Chemistry, Metallurgy

08

B

260/220

C08B 31/12 (2006.01) C08B 33/04 (2006.01) D21H 17/29 (2006.01)

Patent

CA 1147727

POLLUTION-FREE CATIONIZATION OF STARCH Abstract of the Disclosure Cationic starch is prepared by an essentially pollution-free method wherein starch of a maximum moisture content is sprayed with a catalyst- reagent mixture of an epoxide etherifying reagent and alkali catalyst prepared immediately before the spraying and the sprayed starch is reacted under substantially dry alkaline reaction conditions. The resultant cationic starches find particular use in papermaking applications.

371685

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