Sulfonated 2-(2'-hydroxyaryl)-2H-benzotriazoles and/or sulfonate

Bleaching and dyeing; fluid treatment and chemical modification – Process of preserving substrate combined with dyeing or...

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Details

811551, 811558, 8924, 548101, 548260, D06P 500, C07D24920

Patent

active

051905655

ABSTRACT:
A new class of sulfonated 2-(2'-hydroxyaryl)-2H-benzotriazole compounds and method for using them and other sulfonated hydroxyaryl benzotriazoles on nylon fibers to improve stain resistance and dye lightfastness has been discovered. A process is provided for improving stain resistance of nylon fibers by treatment with sulfonated aromatic-formaldehyde condensate and fluorinated dry soil resist agents.

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