One-can thermosetting resin compositions and precoated metal

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...

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4284258, C08G 1880

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active

048808903

ABSTRACT:
A one-can thermosetting resin composition comprising (A) a blocked product of hexamethylene diisocyanate or bis(isocyanatomethyl)cyclohexane, or a blocked product of an adduct of hexamethylene diisocyanate or bis(isocyanatomethyl)cyclohexane and (B) a polyester polyol having at least three functional groups, 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), Kardemenos
patent: 4562714 (1986-01-01), Tanaka et al.
patent: 4649067 (1987-03-01), Gras
patent: 4725661 (1988-02-01), Miyabayashi

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