Pollution-free cationization of starch

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

1980-03-03

1981-07-28

Schofer, Joseph L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C08B 3108, C08B 3110

Patent

active

042811090

ABSTRACT:
Cationic starch is prepared by an essentially pollution-free method wherein starch is reacted with a mixture of an epoxide etherifying reagent and alkali catalyst using substantially dry reaction conditions. The resultant cationic starches find particular use in papermaking applications.

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patent: 4127563 (1978-11-01), Rankin et al.
Derwent Abs. (75729B/42) (10-17-79), "Cationic Starch Prep.", Grain Processing Corp. (EP--4774).
Derwent Abs. (70771B/39) (8-17-79), "Prod of Cation-Modified Starch Deriv.", Lion Fat & Oil KK.

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