In-mold coatings with improved performance

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

B - Operations, Transporting

29

C

B29C 39/12 (2006.01) B29C 37/00 (2006.01) C08L 67/06 (2006.01)

Patent

CA 2089975

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° F to about 340° F and a pressure of from about 650 psi to about 2000 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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