One-can thermosetting resin compositions and precoated metal

Details One-can thermosetting resin compositions and precoated metal One-can thermosetting resin compositions and precoated metal

1988-05-31

1989-11-14

Kight, John

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

4284258, 4273881, 4273882, C08G 1880

Patent

active

048808911

ABSTRACT:
A one-can thermosetting resin composition comprising (1) a polyester polyol obtained by allowing an aliphatic dicarboxylic acid to react with an aliphatic glycol and polyol having at least three functional groups and (2) a blocked product of .alpha.,.alpha.,.alpha.'.alpha.'-tetramethyl-xylylene diisocyanate or 4,4'-methylene bis (cyclohexyl isocyanate), or a blocked product of an NCO-terminated prepolymer obtained by allowing .alpha.,.alpha.,.alpha.'.alpha.'-tetramethylxylylene diisocyanate and/or 4,4'-methylene bis(cyclohexylisocyanate) to react with an active hydrogen compound, gives tough coating films in yellowing and thermal degradation, and also exhibits increased hardness as well as high flexibility, stain resistance and chemical resistance. Especially, when the resin composition is used for preparing precoated metals, it gives good steel plates, thus being advantageously utilized for, among others, light electric appliances.

REFERENCES:
patent: 4389457 (1983-06-01), Panze et al.
patent: 4395529 (1983-07-01), Panandiker et al.
patent: 4550154 (1985-10-01), Kordomenes
patent: 4562714 (1986-01-01), Tanaka et al.
patent: 4649067 (1987-03-01), Gras
patent: 4725661 (1988-02-01), Miyabayashi

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