HYDROXY-FUNCTIONAL OLIGOMERS FOR HIGH SOLIDS COATINGS

摘要

A high solids coating composition comprising a branched hydroxy-functional polyester oligomer and a curing agent; and the oligomer itself containing at least 20 % by weight of the binder of at least one of tertiary acid ester end groups (I) and (II): where R1, R2 and R3 are independently selected from CH3 and CH2OH; the composition being suitable as an automobile clearcoat or pigmented topcoat.