Polymer compositions, aqueous dispersions and aqueous paint...

Details Polymer compositions, aqueous dispersions and aqueous paint... Polymer compositions, aqueous dispersions and aqueous paint...

C - Chemistry, Metallurgy

08

L

C08L 33/00 (2006.01) C08G 18/08 (2006.01) C08G 18/67 (2006.01) C08L 61/20 (2006.01) C08L 75/04 (2006.01) C09D 133/00 (2006.01) C09D 161/20 (2006.01) C09D 175/04 (2006.01) C09D 175/16 (2006.01)

Patent

CA 2048653

- 36 - Abstract of the Disclosure The present invention provides a polymer composite dispersed in water containing primary and/or secondary polyamines, wherein the oligomer is synthesized by allowing to react (a) a diol compound with molecular weight of 100 to 5000 and having terminal hydroxyl groups, (b) a diisocyanate compound, (c) a compound having at least one active hydrogen and zwitterionic groups in the molecule and (d) an ethylenically unsatu- rated monomer with active hydrogens in the molecule with each other under the reaction conditions enriched in isocyanates; an aqueous dispersion which can be obtained by polymerizing monomers by use thereof as an emulsifying agent; and an aqueous paint composite comprising the aqueous dispersion. The polymer composite has a high emulsion stability and the paint composite, especially the metallic paint, obtained therefrom exhibits an excellent characteristic in coated films and good coating performance.

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