Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1985-11-22
1987-10-13
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...
525438, 525450, 525528, 525530, 525533, 523400, C08G 6318, C08L 6302
Patent
active
046999558
ABSTRACT:
A solvent based thermosetting coating composition comprising hydroxy functional epoxy ester resin, linear polycaprolactone diol, and blocked polyisocyanate crosslinking agent. The coating composition may be formulated as hot sprayable, high solids coating composition suitable for use as a 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 hydroxy functional epoxy ester resin is formed by reaction of diepoxide, chain extended with diphenol and dicarboxylic acid, with hydroxy functional secondary amine in chain terminating reaction.
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Dervan Andrew H.
Grebur Dennis J.
Kordomenos Panagiotis I.
Bleutge John C.
E. I. Du Pont de Nemours and Company
Sellers II Robert E. L.
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