Bleach activator granules and preparation thereof

Details Bleach activator granules and preparation thereof Bleach activator granules and preparation thereof

D - Textiles, Paper

06

L

8/87

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

Patent

CA 1168806

C 593 (R) ABSTRACT Effervescent bleach activator granules for use in washing and/or bleaching compositions comprising a bleach activator, a peroxoborate and a binding material are disclosed. Preferred granules include an alkali me- tal perborate monohydrate, preferably in a proportion at least equal to the amount of the bleach activator. These granules have the advantage that the reduction of mecha- nical loss when used in washing machines combined with a fast dissolution of and reaction between the bleach activator and the percompound in close proximity at a high local pH should improve the bleach performance, particularly in the low/medium temperature range to a substantial degree.

391689

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