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 9/16 (2006.01) D21C 5/02 (2006.01) D21C 9/10 (2006.01)

Patent

CA 2564015

The present 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) equals 1, and the weight average molecular weight is between 500 and 20,000,000 g/mol, (B) a chelating agent, and (C) an alkaline earth metal compound. The invention also relates to a process for the treatment of a fibre material.

La présente invention se rapporte à une composition de stabilisation comportant les composants suivants: (A) un polymère représenté par la formule (I), dans laquelle R¿1? est un atome d'hydrogène ou un groupe alkyle contenant 1 à 12 atomes de carbone, R¿2? est -COOM ou -CH¿2?COOM, M est un atome d'hydrogène, un ion de métal alcalin, un ion de métal alcalino-terreux, un ion ammonium ion ou un mélange de ceux-ci, n, m et k sont les rapports molaires des monomères correspondants, où n est compris entre 0 et 0,95, m est compris entre 0,05 et 0,9, et k est compris entre 0 et 0,8, et (n+m+k) est égal à 1, le poids moléculaire moyen en poids étant compris entre 500 et 20 000,000 g/mole, (B) un agent chélatant, et (C) un composé d'un métal alcalino-terreux. L'invention se rapporte également à un procédé permettant le traitement d'une matière fibreuse.

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