Use of bleach activators for low perhydroxyl concentrations

Details Use of bleach activators for low perhydroxyl concentrations Use of bleach activators for low perhydroxyl concentrations

C - Chemistry, Metallurgy

11

D

C11D 3/39 (2006.01)

Patent

CA 2205574

Improved aqueous bleaching solutions formed by reacting a bleach activator having a perhydrolysis selectivity coefficient of 5 or greater and a low-pH perhydrolysis-efficiency coefficient of 0.15 or higher are provided. More specifically, the invention relates to bleaching solutions which provide enhanced cleaning/bleaching benefits through the selection of bleach activators at mildly alkaline washing solutions or in the presence of reduced- levels of hydrogen peroxide.

On décrit des solutions aqueuses améliorées de blanchiment obtenues par réaction d'un activateur de blanchiment dont le coefficient de sélectivité en perhydrolyse est égal ou supérieur à 5 et dont le coefficient d'efficacité en perhydrolyse avec faible pH est égal ou supérieur à 0,15. Plus précisément, l'invention concerne les solutions de blanchiment qui permettent d'améliorer le nettoyage/blanchiment grâce à l'utilisation de certains activateurs de blanchiment avec des solutions de lavage faiblement alcalines ou en présence de taux réduits de peroxyde d'hydrogène.

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