Process for dyeing and stain-proofing nylon carpets

Details Process for dyeing and stain-proofing nylon carpets Process for dyeing and stain-proofing nylon carpets

D - Textiles, Paper

06

P

D06P 3/24 (2006.01) D06M 15/41 (2006.01) D06N 7/00 (2006.01) D06P 1/00 (2006.01) D06P 1/56 (2006.01)

Patent

CA 2400173

This invention relates to a process for increasing the stain resistance of an acid dyeable nylon filament or staple fiber, especially in the form of a textile or floor covering article such as a carpet. The invention involves the addition of a stain blocker to the dye bath through which the textile article is passed. The stain blocker contains phenolic groups and is free of sulfonic and carboxylic groups. After the dyeing process, the carpet is subjected to sequential heat treatments.

L'invention se rapporte à un procédé d'accroissement de la résistance aux tâches d'un filament ou d'une fibre courte en Nylon apte à la teinture, composant notamment un article textile ou un article de revêtement de sol du type tapis. Le traitement de l'invention consiste en l'addition d'un agent bloquant les tâches au bain de teinture dans lequel est passé l'article textile. L'agent de blocage des tâches contient des groupes phénoliques mais ne contient ni groupes sulfoniques ni groupes carboxyliques. Après la teinture, le tapis est soumis à des traitements thermiques successifs.

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