Non-caking bleaching detergent composition containing a...

Details Non-caking bleaching detergent composition containing a... Non-caking bleaching detergent composition containing a...

C - Chemistry, Metallurgy

11

D

134/5.4

C11D 3/39 (2006.01) C11D 3/395 (2006.01)

Patent

CA 1276091

ABSTRACT OF THE DISCLOSURE 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 mono- hydrate or less, such as 12 to 15%. The described compositions, unlike similar compositions wherein the sodium perborate hydrate is the tetrahydrate, are non-caking, non-tacky and free-flowing after storage in a sealed con- tainer at elevated temperature, e.g., four weeks at 43°C., whereas a similar product in which the sodium perborate hydrate is the tetrahydrate is caked solid after such treatement.

478031

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