Detergent composition

Details Detergent composition Detergent composition

C - Chemistry, Metallurgy

11

D

C11D 3/37 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2696958

A shaped body of detergent composition comprising a chemically and/or physically cross-linked dissolution retard-ing agent, and at least one of a surfactant and/or builder. The dissolution retarding agent is preferably a copolymer of N-vinylpyrroli-done, 2-acrylamido-2-methylpropanesulfonic acid and a cross- linking agent, or a salt thereof. The shaped bodies dissolve predom-inantly in the main wash of an automatic washing process and do not dissolve significantly in the pre-wash and are of particular application in automatic dishwashing.

L'invention porte sur un corps façonné de composition détergente comprenant un agent de retard de dissolution réticulé chimiquement et/ou physiquement, et au moins l'un parmi un tensio-actif et/ou un adjuvant pour détergents. L'agent de retard de dissolution est, de préférence, un copolymère de N-vinylpyrrolidone, acide 2-acrylamido-2- méthylpropanesulfonique et un agent de réticulation, ou un sel de celui-ci. Les corps façonnés se dissolvent de façon prédominante dans l'eau de lavage principal d'un procédé de lavage automatique et ne se dissolvent pas de manière significative dans l'eau de prélavage et sont d'une application particulière dans le lavage automatique de la vaisselle.

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