Azetidinium modified polymers and fabric treatment composition

Details Azetidinium modified polymers and fabric treatment composition Azetidinium modified polymers and fabric treatment composition

C - Chemistry, Metallurgy

08

F

C08F 20/34 (2006.01) C08F 8/00 (2006.01) D06M 15/267 (2006.01)

Patent

CA 2471623

The invention relates to a fabric treatment composition which comprises a self- crosslinking polymer possessing pendant azetidinium groups. A first aspect of the invention comprises an azetidinium functionalised polymer containing primary or secondary amine groups. Cross-linking reactions between the azetidinium group and primary or secondary amine groups does not form quaternary groups and consequently does not result in a charged, cross-linked polymer. This lack of charge is believed to overcome the problems of stain fixing and dye adsorption. A second aspect of the present invention subsists in a azetidinium functionalised polymer of which the monomers comprise: an amino-acrylate and/or amino-alkacrylate monomer, and, optionally, further non- amino acrylate and/or alkacrylate monomer. A third aspect of the present invention provides a textile treatment composition which comprises a azetidinium functionalised polymer in accordance with the first or second aspect of the invention and a textile compatible carrier.

L'invention concerne une composition de traitement de tissu qui comprend un polymère auto-réticulant possédant des groupes d'azétidinium pendants. Dans un premier aspect, l'invention concerne un polymère fonctionnalisé à l'azétidinium contenant des groupes aminés primaires ou secondaires. La réticulation des réactions entre le groupe d'azétidinium et les groupes aminés primaires ou secondaires ne forme pas de groupes quaternaires et, par conséquent, ne produit pas un polymère réticulé chargé. L'absence de charge est censée surmonter les problèmes de fixation de taches et d'adsorption de colorants. Dans un deuxième aspect, l'invention concerne un polymère fonctionnalisé à l'azétidinium dont les monomères renferment un monomère aminoacrylate et/ou aminoalkacrylate et, éventuellement, un autre monomère non aminoacrylate et/ou alkacrylate. Dans un troisième aspect, l'invention concerne une composition de traitement de textile qui comprend un polymère fonctionnalisé à l'azétidinium conformément au premier ou au second aspect de l'invention, ainsi qu'un porteur compatible avec le textile.

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