D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
D06M 13/144 (2006.01) D06M 11/38 (2006.01) D06M 13/148 (2006.01) D06M 16/00 (2006.01)
Patent
CA 2362068
The present invention provides a method of treating wool, wool fibers or animal hair an alkali-containing alcohol solution, followed by a proteolytic enzyme in aqueous solution. The described method results in improved shrink- resistance, and may result in improvements in handle, appearance, wettability, reduction of felting tendency, increased whiteness, reduction of pilling, improved softness, improved tensile strength, and improved dyeing characteristics such as dye uptake and dye washfastness.
L'invention concerne un procédé de traitement de la laine, des fibres de laine ou des poils d'animaux, au moyen d'une solution d'alcool alcalin, puis d'une enzyme protéolytique en solution aqueuse. On améliore ainsi la résistance au retrait, et on peut obtenir des améliorations quant aux propriétés suivantes: aptitude à la manipulation, apparence, mouillabilité, réduction de la tendance au feutrage, blancheur accrue, réduction de la tendance au boulochage, douceur accrue, meilleure résistance à la traction, et meilleures caractéristiques de coloration (par exemple, absorption du colorant et solidité au lavage).
Mcdevitt Jason Patrick
Xianghong Caroline Shi
Mccarthy Tetrault Llp
Novozymes North America Inc.
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