Granulation process for making granular bleach activator composi

Details Granulation process for making granular bleach activator composi Granulation process for making granular bleach activator composi

1992-12-02

1995-07-18

Albrecht, Dennis

Compositions

Electrolytes for electrical devices

252 99, 252102, 25217413, 25217418, 25217424, 25218212, 25218229, 25218627, 2521863, 25218638, 252526, 252524, 252542, 252545, 252DIG11, C11D 336, C11D 337, C11D 3395, C11D 1706

Patent

active

054338816

ABSTRACT:
An improvement in the process of granulating bleach activator using an organic binder selected from starch and cellulose derivatives polyacrylates, polymaleates and polyvinyl pyrrolidone, the process comprising dry mixing particulate activator and at least a portion of the binder in particulate form and then moistening the mixture with a granulating liquid, comprises using as granulating liquid an aqueous solution of a granulating aid which is a sequestrant optionally combined with a water-soluble inorganic salt. The granules are then dried. The product has improved activity in laundry detergents especially in low temperature wash and cold fill conditions.

REFERENCES:
patent: 3151084 (1964-09-01), Schlitz
patent: 4372868 (1983-02-01), Saran
patent: 4726908 (1988-02-01), Kruse

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