Color clarification method using cellulase and a polymer

Details Color clarification method using cellulase and a polymer Color clarification method using cellulase and a polymer

C - Chemistry, Metallurgy

11

D

C11D 3/386 (2006.01) C11D 3/22 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2269201

The invention is directed to agents used in the retention of color values on fabrics formed from cellulose fibers (color clarification agents) and to a method for treatment of such fabrics. The method comprises treating a colored fabric with a cellulase and a polymer selected from the group consisting of a polyalkylene oxide graft polymer a polyamino acid polymer, and a carboxylated polysaccharide polymer in an amount effective to preserve the color of the fabric after at least one wash cycle.

Agents utilisés pour le maintien de valeurs chromatiques dans des tissus en fibres cellulosiques (agents de clarification de couleurs et procédé pour traiter ces tissus. Le procédé consiste à traiter un tissu coloré avec une cellulase et un polymère sélectionné dans un groupe formé d'un polymère greffé d'oxyde de polyalkylène, d'un polymère polyaminoacide et d'un polymère polysaccharidique carboxylé, utilisé en quantité efficace pour préserver la couleur du tissu après au moins un cycle de lavage.

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