New composition and process for the treatment of fibre material

Details New composition and process for the treatment of fibre material New composition and process for the treatment of fibre material

D - Textiles, Paper

21

C

D21C 9/00 (2006.01) D06L 3/02 (2006.01) D21C 9/16 (2006.01)

Patent

CA 2673923

The invention relates to a stabilizing composition comprising following components (A) a polymer having following formula (I) wherein R1 is a hydrogen atom or an alkyl group containing 1 to 12 carbon atoms, R2 is -COOM or -CH2COOM, M is a hydrogen atom, an alkali metal ion, an alkaline earth metal ion, an ammonium ion or a mixture thereof, n, m and k are molar ratios of corresponding monomers, wherein n is 0 to 0.95, m is 0.05 to 0.9, and k is 0 to 0.8, and (n+m+k) equals1, and the weight average molecular weight is between 500 and 20,000,000 g/mol, (B) a chelating agent, (C) a poly-alpha-hydroxyacrylic acid or an alkaline salt thereof or the corresponding polylactone thereof, and (D) optionally a polycarboxylic acid polymer or an alkaline salt thereof. The invention also relates to a process for the treatment of a fibre material.

L'invention porte sur une composition de stabilisation comprenant les composants suivants :(A) un polymère ayant la formule suivante (I) dans laquelle R1 est atome d'hydrogène ou un groupe alkyle contenant 1 à 12 atomes de carbone, R2 est -COOM ou -CH2COOM, M est un atome d'hydrogène, un ion métallique alcalin, un ion métallique alcalino-terreux, un ion ammonium ou un mélange de ceux-ci, n, m et k sont des rapports molaires de monomères correspondants, où n est 0 à 0,95, m est 0,05 à 0,9, et k est 0 à 0,8, et (n+m+k) égale 1, et la masse moléculaire moyenne en poids est entre 500 et 20 000 000 g/mol, (B) un agent chélatant, (C) un acide poly-alpha-hydroxyacrylique ou un sel alcalin de celui-ci ou le polylactone correspondant de celui-ci, et (D) facultativement un polymère d'acide polycarboxylique ou un sel alcalin de celui-ci. L'invention porte également sur un procédé de traitement d'un matériau fibreux.

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