Storable bleach mixture having improved dissolving power

Details Storable bleach mixture having improved dissolving power Storable bleach mixture having improved dissolving power

1989-03-15

1990-07-03

Willis, Prince E.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 95, 252 99, 2521861, 25218638, C11D 754, C11D 718, C11D 732

Patent

active

049388894

ABSTRACT:
A granular, storable bleach mixture suitable for addition to a detergent composition or to a wash liquor comprising a mixture of (a) from 5 to 35% by weight sodium perborate, preferably as monohydrate, (b) from 5 to 30% by weight tetra-acetyl ethylene-diamine and (c) from 90 to 50% by weight of a carrier material. The latter comprises a salt optionally containing water of crystallization or urea or mixtures thereof with anhydrous sodium sulfate, wherein the salt containing water of crystallization should not undergo any phase transformation between 1.degree. C. and 45.degree. C. In addition, the mixture may contain up to 15% of detergent constituents, such as surfactant and sequestering agent. The average particle size of the individual component is from 0.1 to 0.6 mm, less than 1% by weight being larger than 1.6 mm in size.

REFERENCES:
patent: 4064062 (1977-12-01), Yorko
patent: 4259200 (1981-03-01), Sims
patent: 4290903 (1981-09-01), Maegilp
patent: 4412934 (1983-11-01), Chung

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