Room temperature-curable coating composition

Details Room temperature-curable coating composition Room temperature-curable coating composition

1988-07-08

1991-01-29

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

528 26, 528 32, 528 34, C08F23008

Patent

active

049887882

ABSTRACT:
The room temperature-curable coating composition comprises, as the resinous vehicle thereof, a copolymer prepared by the radical copolymerization of a ternary monomeric mixture composed of (A) 20-80% by weight of an alkyl (meth)acrylate, e.g., methyl methacrylate, (B) 10-78% by weight of an oligomeric organopolysiloxyanylalkyl (meth)acrylate, e.g., 1,1,1,3,5,5,5-heptamethyl-3-(3-methacryloxypropyl) trisiloxane, and (C) 2-30% by weight of an organosilane compound having at least one hydroxyzable group and a radical-polymerizable unsaturated group, e.g., 3-methacryloxypropyl trimethoxy silane. The coating composition gives a cured coating film having outstandingly high weatherability and resistance against ultraviolet light, water and chemicals in comparison with conventional room temperature-curable acrylic resin-based coating compositions.

REFERENCES:
patent: 3203919 (1965-08-01), Brachman
patent: 3467634 (1969-09-01), Jacknow et al.
patent: 3951893 (1976-04-01), Gander et al.
patent: 3966687 (1976-06-01), Ribba
patent: 4043953 (1977-08-01), Chang et al.
patent: 4564557 (1986-01-01), Ohgushi et al.
patent: 4625006 (1986-11-01), Bernhardt

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