Activated bleaching process and compositions therefor

Details Activated bleaching process and compositions therefor Activated bleaching process and compositions therefor

C - Chemistry, Metallurgy

11

D

8/87

C11D 7/18 (2006.01) C11D 3/39 (2006.01) D06L 3/02 (2006.01)

Patent

CA 1105206

Abstract of the Disclosure A process for the activation of peroxide-based bleaches comprises conjointly incorporating into an aqueous medium a peroxide-based bleach, sufficient buffering agent to maintain the aqueous medium under alkaline conditions, cyanamide or a metal cyanamide as peroxide activator, and a Group IIA metal, which acts in conjunction with cyanamide or metal cyanamide to further activate the peroxide-based bleach. Stable concentrated liquid or solid peroxide-based bleach compositions containing cyanamide or a metal cyanamide activator and a Group IIA metal are also disclosed.

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