Process for making cationic starch

Details Process for making cationic starch Process for making cationic starch

1982-12-16

1984-08-07

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

C08B 3108, C08B 3112

Patent

active

044645287

ABSTRACT:
A process for making a cationic starch which comprises reacting by heating starch with a quaternary amine chlorohydrin in the presence of an alkali metal oxide or hydroxide, adding thereto after a period of time an alkaline earth oxide or hydroxide and maintaining the mixture for a time and at a temperature sufficient to complete the reaction, neutralizing filtering, washing and recovering the cationic starch product.

REFERENCES:
patent: 2876217 (1959-03-01), Paschall
patent: 3422087 (1969-01-01), Caesar
patent: 4127563 (1978-11-01), Rankin et al.
patent: 4322935 (1982-06-01), Fischer et al.

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