Coating composition of a hydroxy functional epoxy ester resin an

Details Coating composition of a hydroxy functional epoxy ester resin an Coating composition of a hydroxy functional epoxy ester resin an

1987-08-07

1988-11-22

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525440, 525528, 525533, 523454, 523455, 523464, C08G 6306, C08G 6320, C08G 6360, C08L 6302

Patent

active

047866918

ABSTRACT:
A solvent-based thermosetting coating composition comprising a hydroxy functional epoxy ester resin, and polycaprolactone diol, and blocked polyisocyanate crosslinking agent. The coating composition may be formulated as hot sprayable, high solids coating composition suitable for use as chip resistant automotive vehicle primer adapted for use on body panel areas subject to chipping by stones, gravel and other road debris. Alternatively, the composition may be formulated as a high solids composition sprayable with conventional spraying equipment. The resin is formed by reaction of diepoxide chain extended substantially simultaneously with diphenol and dicarboxylic acid and chain terminated with acid component comprising primary hydroxy functional acid.

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