Waterborne core-shell latex polymers

Details Waterborne core-shell latex polymers Waterborne core-shell latex polymers

C - Chemistry, Metallurgy

08

F

C08F 265/04 (2006.01) C08F 265/06 (2006.01) C09D 151/00 (2006.01)

Patent

CA 2160554

The present invention provides: a core-shell latex composition comprising latex particles, each latex particle comprising: (a) a core comprising a (co)polymer comprising (meth)acrylate ester; (b) a shell, surrounding the core, comprising a copolymer, wherein the copolymer comprises: i) a nitrogen-bearing ethylenically-unsaturated free-radically polymerizable monomer; ii) at least one (meth)acrylate ester of about a C1 to about a C14 alcohol; and iii) an optional ethylenically-unsaturated free-radically polymerizable silane wherein the nitrogen-bearing ethylenically-unsaturated free-radically polymerizable monomer comprises from about 15 to about 60 percent by weight of the shell and further wherein the core comprises from about 40 to about 85 percent of the weight of the total core-shell latex particle. The invention also relates to the use of the core-shell latex composition as a binder or primer for coatings and adhesives.

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