Bleaching compositions comprising n-acyl caprolactam activators

Details Bleaching compositions comprising n-acyl caprolactam activators Bleaching compositions comprising n-acyl caprolactam activators

C - Chemistry, Metallurgy

07

D

C07D 223/10 (2006.01) C11D 3/386 (2006.01) C11D 3/39 (2006.01)

Patent

CA 2161266

The present invention relates to a method of cleaning fabrics in washing machines which have parts made of natural rubber using laundry detergents comprising N-acyl caprolactam bleaching activators and a source of hydrogen peroxide such that said natural rubber parts of said machines are substantially undamaged by free radical by-products of the perhydrolysis reaction between the activator and hydrogen peroxide.

L'invention se rapporte à un procédé pour nettoyer des textiles dans des machines à laver qui comportent des pièces en caoutchouc naturel, au moyen de détergents pour lessive comprenant des adjuvants de blanchiment à base de N-acyl caprolactame ainsi qu'une source de peroxyde d'hydrogène, de sorte que les pièces en caoutchouc naturel des machines à laver ne soient pas endommagées par les sous-produits à radicaux libres provenant de la réaction de perhydrolyse entre l'adjuvant de blanchiment et le peroxyde d'hydrogène.

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