Water-soluble aminoplast-ether copolymers

Details Water-soluble aminoplast-ether copolymers Water-soluble aminoplast-ether copolymers

C - Chemistry, Metallurgy

08

G

C08G 12/40 (2006.01) C08G 12/42 (2006.01) C08G 65/32 (2006.01) C08L 61/26 (2006.01) C08L 71/02 (2006.01)

Patent

CA 2221705

A linear aminoplast-ether copolymer of formula (I), where the divalent R01 con- tains a divalent alkyleneoxy containing moi- ety, Amp is the skeletal residue of an amino- plast, R is hydrogen, alkyl containing 1 to about 4 carbon atoms, and acyl containing 1 to about 4 carbon atoms, p is a positive number that is equal to the free valence of Amp minus 2, RO is bonded to alkylene units of Amp, and a is a number greater than I. The method for making the copolymer is descried.

L'invention concerne un copolymère linéaire aminoplaste-éther de la formule (I). Dans cette formule, R01 contient un fragment alkylèneoxy divalent, Amp est un fragment représentant l'ossature d'un aminoplaste, R est un hydrogène, un alkyle contenant entre 1 et environ 4 atomes de carbone ou un acyle contenant entre 1 et environ 4 atomes de carbone, p est un nombre positif qui est égal à la valence libre de Amp moins 2, RO est lié aux unités alkylène de Amp et a est un nombre supérieur à 1. L'invention porte également sur un procédé pour réaliser le copolymère.

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