发明授权
US5360644A Chip-resistant composite coating 失效
耐芯片复合涂层

Chip-resistant composite coating
摘要:
A coated article is described comprising a substrate having thereon a color-plus-clear composite coating wherein(a) the color layer of the composite coating is derived from a coating composition comprising:(1) a polymer component having active hydrogen-containing groups thereon,(2) an aminoplast curing agent,(3) an acid cure catalyst, and(4) an amine selected from the group consisting of substituted or unsubstituted pyridine or a substituted or unsubstituted N-alkyl primary amine, and(b) the clear layer of the composite coating is derived from a curable coating composition comprising an epoxy-functional component and an acid-functional or anhydride-functional component.
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