Bleach composition

Details Bleach composition Bleach composition

1981-02-24

1982-07-06

Weinblatt, Mayer

Compositions

Electrolytes for electrical devices

252 95, 252 99, 252103, 252DIG12, 25217412, 8111, 25218638, 25218639, 25218644, 2521861, C11D 942

Patent

active

043382100

ABSTRACT:
A low temperature bleach system comprises a peracid percursor 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.

REFERENCES:
patent: 3822114 (1974-07-01), Montgomery
patent: 4011169 (1977-03-01), Diehl
patent: 4048085 (1977-09-01), Helsam

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