Dispersion and use thereof

Details Dispersion and use thereof Dispersion and use thereof

C - Chemistry, Metallurgy

09

D

C09D 171/00 (2006.01) C08J 3/05 (2006.01) C09D 181/06 (2006.01)

Patent

CA 2534857

An aqueous dispersion comprises: (A) water; (B) a polymeric material of a type which includes: (a) phenyl moieties; (b) carbonyl and/or sulphone moieties; and (c) ether and/or thioether moieties; (C) a surface active agent which includes a carbonyl or sulphone moiety and a hydrophilic group. Preferred embodiments relate to polyketones in combination with surfactants which are alkyl sulphosuccinates.

L'invention concerne une dispersion aqueuse qui contient de l'eau, une matière polymère d'un type comportant des fractions phényle, des fractions carbonyle et/ou sulfone et des fractions éther et/ou thioéther, ainsi qu'un agent tensioactif doté d'une fraction carbonyle ou d'une fraction sulfone et d'un groupe hydrophile. Dans des modes de réalisation préférés, la dispersion contient des polycétones associées à des tensioactifs qui sont des sulfosuccinates d'alkyle.

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