Non-caking bleaching detergent composition containing a lower hy

Details Non-caking bleaching detergent composition containing a lower hy Non-caking bleaching detergent composition containing a lower hy

1988-04-22

1989-08-15

Lieberman, Paul

Compositions

Electrolytes for electrical devices

252 90, 252 99, 252174, 25217413, 25217421, 25218631, 427220, C11D 166, C11D 339, C11D 1706, C11D 1100

Patent

active

048572233

ABSTRACT:
A non-caking, non-tacky and free-flowing particulate bleaching detergent composition includes a synthetic organic nonionic detergent, such as a polyethoxylated higher fatty alcohol or alkylphenol, a builder for the nonionic detergent, such as sodium tripolyphosphate, sodium silicate, sodium carbonate or a cation-exchanging sodium aluminosilicate (zeolite), or mixtures thereof, together with a sodium perborate hydrate bleaching agent, the degree of hydration of which corresponds to that of the monohydrate or less, such as 12 to 15%. The described composition, unlike similar compositions wherein the sodium perborate hydrate is the tetrahydrate, are non-caking, non-tacky and free-flowing after storage in a sealed container at elevated temperature, e.g., four weeks at 43.degree. C., whereas a similar product in which the sodium perborate hydrate is the tetrahydrate is caked solid after such treatment.

REFERENCES:
patent: 2094671 (1937-10-01), Portschke
patent: 3676352 (1972-07-01), Grimm et al.
patent: 3915878 (1975-10-01), Yurko et al.
patent: 4016040 (1977-05-01), Win et al.
patent: 4276326 (1981-06-01), Joshi
patent: 4351740 (1982-09-01), Yoshi et al.
patent: 4422950 (1983-12-01), Kemper et al.
patent: 4539131 (1985-09-01), Garner-Gray

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