Bleach composition

Details Bleach composition Bleach composition

C - Chemistry, Metallurgy

11

D

8/87, 195/33.2

C11D 3/39 (2006.01)

Patent

CA 1143511

ABSTRACT OF THE DISCLOSURE: A low temperature bleach system comprises a peracid precursor system and bromide ions. The bromide ions may be supplied by sodium bromide. A theoretical peracid to bromide equivalent ratio between 2:1 and 1:2 is preferred, but dye transfer and hygiene benefits are possible with a ratio up to 1:32. The precursor system is typically diphthaloyl peroxide or sodium perborate plus tetraacetyl ethylenediamine (TAED). If the perborate is in excess, a scavenger such as catalase should be included. The system may be used as such or incorporated in a conventional detergent base.

358401

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