Aqueous coating composition

Details Aqueous coating composition Aqueous coating composition

C - Chemistry, Metallurgy

08

G

400/3029, 400/50

C08G 63/52 (2006.01) C08G 63/20 (2006.01) C08G 63/42 (2006.01) C08G 63/46 (2006.01) C09D 133/06 (2006.01) C09D 157/00 (2006.01)

Patent

CA 1221185

A b s t r a c t An aqueous coating composition which comprises at least one aqueous resin selected from polyester, alkyd, acrylic, acryl modified - polyester and acryl modified - alkyd resins, and at least one water-insoluble resinous particles obtained by the polymerization or copolymerization of .alpha. , .beta. -ethylenic - ally unsaturated monomers, which is characterized by that said resinous particles are composed of mixture of (A) group of particles having a mean grain diameter of 0.3 ~ 6µ and (B) group of particles having a mean grain diameter of 0.01 ~ 0.1µ , in a weight ratio of (A)/(B) = 99.9/0.1 ~ 40/60 and that the solid weight ratio of said aqueous resin to water insoluble resinous particles is 99/1 ~ 15/85. The coating composition is well balanced in application characteristics and in film performance as gloss and surface smoothness and hence is quite useful as a top coat.

459632

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