High temperature bleaching method for cellulose esters

Details High temperature bleaching method for cellulose esters High temperature bleaching method for cellulose esters

1981-07-27

1982-08-03

Clingman, A. Lionel

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

Organic compounds

Carbohydrates or derivatives

8107, 8110, 8111, C08C 1830

Patent

active

043428657

ABSTRACT:
Improved method for bleaching cellulose esters, such as cellulose acetate, cellulose acetate propionate and cellulose acetate butyrate, by adding during the hydrolysis reaction of the cellulose ester at from 80.degree. C. to 150.degree. C. a bleaching agent mixture of hydrogen peroxide and at least one monopersulfate salt selected from the group consisting of sodium, potassium and lithium or mixtures thereof.

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