Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-11-04
1989-09-26
Briggs, Sr., Wilbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525528, 523454, 523455, 523456, 523400, C08L 6128, C08L 6302
Patent
active
048701416
ABSTRACT:
Novel solvent-based thermosetting composition comprising (a) hydroxy functional epoxy ester resin of number average molecular weight (Mn) between about 1,000 and about 5,000, comprising the reaction product of diepoxide with aliphatic diol and, subsequently, with acid component comprising (i) hydroxy functional acid and, optionally, (ii) fatty acid; and (b) polyfunctional, hydroxy-reactive crosslinking agent, for example, aminoplast crosslinking agent or blocked polyisocyanate crosslinking agent comprising isocyanate groups blocked by reaction with an active hydrogen bearing blocking agent. Coating composition may be formulated as primer sprayable with conventional spraying equipment.
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Briggs Sr. Wilbert J.
E. I. Du Pont de Nemours and Company
Fricke Hilmar L.
Sellers II Robert E. L.
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