Asymmetrical imide bleach activators and compositions...

Details Asymmetrical imide bleach activators and compositions... Asymmetrical imide bleach activators and compositions...

C - Chemistry, Metallurgy

11

D

C11D 3/39 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2268910

Asymmetrical imide bleach activators are provided. The compounds have general formula (I) wherein R1 is a moiety selected from a specific group, R2 is a C1-C8 linear or branched chain saturated or unsaturated alkyl group and R3 is a C1-C4 linear or branched chain saturated or unsaturated alkyl group. Preferred compounds include the compounds when R2 and R3 are CH3. Bleach additive and bleaching compositions including the asymmetrical bleach activators and methods of cleaning fabrics are also provided.

L'invention porte sur des activateurs de blanchiment à base d'imide asymétrique de formule générale (I) dans laquelle R1 est un fragment choisi dans un groupe spécifique, R2 est un groupe alkyle C1-C8 à chaîne linéaire ou ramifiée saturé ou non saturé, R3 est un groupe alkyle C1-C4 à chaîne linéaire ou ramifiée saturé ou non saturé. Les composés préférés sont ceux où R2 et R3 sont CH3. L'invention porte également sur des additifs de blanchiment et des compositions de blanchiment comportant lesdits activateurs et sur des procédés de nettoyage de tissus.

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