Method of laundering coloured fabrics

Details Method of laundering coloured fabrics Method of laundering coloured fabrics

C - Chemistry, Metallurgy

11

D

C11D 11/00 (2006.01) C11D 3/22 (2006.01)

Patent

CA 2503521

A method of treating coloured fabrics with a luminance (L*)Less than 50, preferably black garments, which comprises contacting the fabrics with a wash liquor comprising:a) 0.1 - 0.001 g/L of a hydroxy C2-C4 alkyl derivative of a beta 1-4 polysaccharide, which is preferably hydroxyethyl cellylose andb) surfactant.

L'invention concerne un procédé permettant de traiter des tissus colorés dont la luminance (L*) est inférieure à 50, de préférence, des vêtements noirs. Ledit procédé consiste à mettre les tissus en contact avec une liqueur de lavage comprenant: a) 0,1 à 0,001 g/L d'un dérivé d'hydroxy-alkyle en C2-C4 d'un bêta 1-4 polysaccharide qui est, de préférence, un hydroxy-éthyl de cellulose, et b) un tensioactif.

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