C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 183/05 (2006.01) B05D 1/36 (2006.01) B05D 7/00 (2006.01) C09D 183/08 (2006.01) C09D 185/02 (2006.01)
Patent
CA 2179561
A multi-layer coating comprising a base coat and a topcoat is formed on an article such as a chemically-treated steel plate by coating the article with a base coat composition containing (a) a cross- linking agent which does not interfere with the hydrosilylation reaction of a topcoat composition, and (b) a functional resin reactable with the cross-linking agent, and then with a topcoat composition containing (c) (i) a blend of a hydrosilyl group-containing compound and an alkenyl group-containing compound, and/or (ii) a self-crosslinkable resin, and (d) a catalytic amount of a hydrosilylation catalyst, followed by separate or simultaneous baking. The topcoat cornposition may contain functional groups (phosphoric groups and/or alkoxysilyl groups) or a functional group-containing compound.
Nishimura Eiichi
Takayama Hideki
Nippon Paint Co. Ltd.
Riches Mckenzie & Herbert Llp
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