In-mold coatings with improved performance

Details In-mold coatings with improved performance In-mold coatings with improved performance

1992-03-24

1994-04-19

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264257, 26433118, 26433121, B29C 4318

Patent

active

053043324

ABSTRACT:
The hardness and appearance of an in-mold coating for a molded article of cured unsaturated polyester are improved by the addition of melamine and/or benzoguanamine to an unsaturated polyester powder coating composition and subjecting the modified powder coating to a molding temperature of from about 260.degree. F. to about 340.degree. F. and a pressure of from about 650 psi to about 2,000 psi for from 1 to 12 minutes. From about 5 to about 40 parts of the melamine and/or benzoguanamine per hundred parts by weight of the coating resin is used.

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