Method for powder coatings

Details Method for powder coatings Method for powder coatings

1995-05-04

1996-09-03

Lipman, Bernard

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

Synthetic resins

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

427458, 427532, 5253299, 5253305, 525403, 525437, B05D 104

Patent

active

055524877

ABSTRACT:
The present invention relates to a thermoset powder coating composition and method of application. The coating includes a copolymer having a reactive functionality selected from the group consisting of epoxy, carboxy, and hydroxy functionalities and mixtures thereof, a suitable crosslinking agent capable of reaction with the reactive functionality on the copolymer, and an aliphatic or aromatic crystalline, hydroxyl containing compound having a melting point of between 30.degree. C. and 150.degree. C. and a flow control agent. The powder coating is a pigmented or clear coat powder composition applied over a primer layer.

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patent: 5212245 (1993-05-01), Franks et al.
patent: 5280072 (1994-01-01), Wamprecht et al.

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