D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
D06M 15/03 (2006.01) C14C 11/00 (2006.01) D06M 13/192 (2006.01) D06M 13/203 (2006.01) D06M 13/207 (2006.01) D06M 15/263 (2006.01) D06M 16/00 (2006.01) D21H 17/15 (2006.01) D21H 17/24 (2006.01) D21H 17/43 (2006.01)
Patent
CA 2362534
The invention relates to a method for treating a fibre or a fibre-based material such as a thread, a textile material, a woven, knitted or non-woven, paper or leather in order to improve the adsorption qualities thereof. The invention is characterised by the following operations that are carried out successively on said fibre or material: (a) application of a solid mixture of cyclodextrin and/or (a) cyclodextrin derivative(s) and/or (an)inclusion complex (es) of cyclodextrin (es) / or (a) cyclodextrin derivative(s), at least one poly(carboxylic) acid and/or at least one polycarboxylic acid anhydride and optionally a catalyst; (b) heating to a temperature ranging from 150 ·C and 220· C; (c) washing with water and (d) drying. The invention also relates to fibres or fibre-based materials having an improved hydrophilic character and cation-exchange properties.
La présente invention concerne un procédé de traitement d'une fibre ou d'un matériau à base de fibres tel que un fil, un matériau textile, tissé, tricoté ou non tissé, un papier ou un cuir, en vue d'améliorer ses propriétés d'adsorption, qui se caractérise par les opérations successives suivantes sur ladite fibre ou ledit matériau: a) application d'un mélange solide de cyclodextrine(s) et/ou de dérivé(s) de cyclodextrine(s) et/ou de complexe(s) d'inclusion de cyclodextrine et/ou de dérivés de cyclodextrine, d'au moins un acide poly(carboxylique) et/ou d'au moins un anhydride d'acide poly(carboxylique) et éventuellement d'un catalyseur; b) chauffage à une température comprise entre 150 ~C et 220 ~C; c) lavage à l'eau; et d) séchage. La présente invention concerne également des fibres ou matériaux à base de fibres qui présentent des propriétés d'échangeur de cations et un caractère hydrophile améliorés.
Martel Bernard
Morcellet Michel
Weltrowski Marek
Fetherstonhaugh & Co.
Universite Des Sciences Et Technologies de Lille
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