Aqueous coating composition and its preparation

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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523201, 523402, 523403, 523409, 523411, 523412, 524460, 524492, 524493, 524517, 524521, C08F 216

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057262357

ABSTRACT:
An aqueous coating composition wherein fine grains coated with water soluble resin composed of three monomers are contained in aqueous medium, each of said fine grains are composed of aqueous resin of ethylenically unsaturated monomer and aqueous colloidal silica, which are coexistent each other. Therefore, the aqueous coating composition is superior in not only contamination resistance, but also waterproof and weatherproof. The paint film formed by the above aqueous coating composition is excellent in its strength. Accordingly, this aqueous coating composition is useful for a coating base of exterior type coating material.

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patent: 5244959 (1993-09-01), Hazan et al.
patent: 5250605 (1993-10-01), Hazan et al.
patent: 5252660 (1993-10-01), Hazan et al.
patent: 5258443 (1993-11-01), Nield et al.
patent: 5306765 (1994-04-01), Kuriyama et al.
patent: 5461102 (1995-10-01), Masuda et al.

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