D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 21/20 (2006.01)
Patent
CA 2583872
The invention relates to a tissue product that includes (a) a tissue fibrous web incorporated throughout the tissue product; (b) a temporary wet strength agent capable of forming hemi-acetal bonds with the fibers of the web to prevent immediate degradation of the web when the tissue product contacts water; and (c) a composition containing a degrading agent selected from the group consisting of alkaline agents, oxidizing agents, nucleophilic agents, and combinations thereof. The invention also relates to compositions used to make such a tissue product as well as methods for making and using such compositions.
L'invention concerne un produit de tissu comportant (a) une toile fibreuse de tissu intégrée au produit de tissu ; (b) un agent de résistance temporaire à l'humidité capable de former des liaisons hémi-acétal avec les fibres de la toile de manière à empêcher une dégradation de la toile lorsque le produit de tissu entre en contact avec de l'eau ; et (c) une composition contenant un agent dégradant choisi dans le groupe des agents alcalins, des agents oxydants, des agents nucléophiles et des combinaisons de ceux-ci. L'invention concerne également des compositions entrant dans la fabrication d'un tel produit de tissu ainsi que des procédés de fabrication et d'utilisation de telles compositions.
Ryan Michael
Zhang Naijie
Kemira Oyj
Lanxess Corporation
Smart & Biggar
LandOfFree
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