Patent ID: 6590030
Filing Date: 2003-07-08
Classification: B01F,C07C,C07F,C08G

Abstract:
An aqueous dispersion of polymeric particles wherein the dispersion is formed in the presence of a stabilising amount of an anionic alkoxylate surfactant of the formula I wherein R is a di- or tri-unsaturated C4-22 straight or branched hydrocarbon chain, at least two double bonds of said unsaturated chain being conjugated and exhibiting opposite geometric isomerism;M is 0 or 1; Y is O or NRâ€²; each Râ€² is independently selected from hydrogen, C1-6 alkyl and phenyl; n is 1 to 50; and OX is an anionic group selected from the group consisting of acids or salts of sulphate, succinate, carboxymethyl, maleate, carboxyethyl, alkenylsuccinate, phthalate, sulphoethyl, 3-sulpho-2-hydroxyropyl, sulphopropyl, oxalate and citrate.