Coating compositions containing polymeric microparticles

Details Coating compositions containing polymeric microparticles Coating compositions containing polymeric microparticles

C - Chemistry, Metallurgy

08

L

117/185, 400/530

C08L 83/07 (2006.01) C09D 5/38 (2006.01) C09D 7/12 (2006.01)

Patent

CA 1333513

Coating compositions containing a film-forming polymer and cross- linked polymeric microparticles and articles coated with such compositions are disclosed. The crosslinked polymeric microparticles are prepared by polymerizing in aqueous medium a mixture of vinyl monomers which includes a hydrolyzable vinyl silane monomer. The crosslinked polymeric microparticles improve sag resistance and metallic pigment pattern control of the coating composition. A particular advantage of the microparticles of the present invention is that they can be prepared with high crosslink density enabling the formulation of high solids coatings.

472047

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