Co-polymers

Details Co-polymers Co-polymers

C - Chemistry, Metallurgy

08

F

C08F 220/10 (2006.01) C08F 220/28 (2006.01) C08F 290/06 (2006.01) C09D 133/06 (2006.01) C09D 133/14 (2006.01)

Patent

CA 2092598

An amphipathic co-polymer having a weight average molecular weight of from 2,500 to 20,000 inclusive and comprising an addition polymer backbone and at least one C1-4 alkoxy polyethylene or polyethylene copropylene glycol acrylate or methacrylate stabilizer unit where the backbone comprises up to 30% by weight of non-functional structural units and at least 70% by weight in total of stabilizer units and functional units where the functional units are optionally substituted styrene-containing units, hydroxy group-containing units and carboxyl group containing units, such that the proportions of hydroxy groups to carboxyl groups to-styrene groups to propylene-oxy or ethylene-oxy groups are respectively 1 : 0.10-26.1; 0.28-25.0; 0.80-66.1.

Copolymère amphipathique possédant une masse moléculaire moyenne de 2500 à 20000 inclusivement et renfermant un tronc polymérique d'addition et au moins une unité stabilisatrice à base d'alcoxy C1-4 polyéthylène ou polyéthylène copropylène glycol acrylate ou méthacrylate; le tronc comprend jusqu'à 30 % en poids d'unités structurelles non fonctionnelles et en tout au moins 70 % en poids d'unités stabilisatrices et d'unités fonctionnelles, ces dernières étant facultativement des unités renfermant le groupe styrène avec substitution, des unités renfermant le groupe hydroxy et des unités renfermant le groupe carboxyle, de telle façon que les proportions entre groupes hydroxy, carboxyle, styrène, et propylèneoxy ou éthylèneoxy soient respectivement de 1:0,10-26,1; 0,28-25,0; 0,80-66,1.

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