Power coating of epoxy resin mixture and polyvinyl butyral or fo

Details Power coating of epoxy resin mixture and polyvinyl butyral or fo Power coating of epoxy resin mixture and polyvinyl butyral or fo

1990-10-18

1992-09-01

Sellers, Robert E.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523428, 523434, 525485, 525486, 525488, 525524, 525 58, C08K 326, C08K 336, C08K 322, C08K 340

Patent

active

051439506

ABSTRACT:
An epoxy resin powder coating composition comprises 100 parts by weight of bisphenol A mixed epoxy resin having number average molecular weight from 1,700 to 4,500 comprising a bisphenol A epoxy resin (A) having a number average molecular weight from 2,500 to 8,000 and a bisphenol A epoxy resin (B) having a number average molecular weight from 300 to 1,000 (C) a novolak epoxy resin 5 to 20 parts by weight of polyvinyl butyral resin or polyviny formal resin, a hardener, and a filler.

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