In-mold coatings with improved performance

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

1993-11-12

1996-01-02

Nakarani, D. S.

Stock material or miscellaneous articles

Composite

Of polyester

428480, 525 30, 525 43, B32B 2736

Patent

active

054807263

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 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.

REFERENCES:
patent: 3216877 (1965-11-01), Mohr
patent: 3988288 (1976-10-01), Yamauchi et al.
patent: 4205028 (1980-05-01), Brueggemann et al.
patent: 4228113 (1980-10-01), van Gasse
patent: 4287310 (1981-09-01), van Gasse
patent: 4315884 (1982-02-01), Van Gasse
patent: 4499235 (1985-02-01), Verwer et al.
patent: 4873274 (1989-10-01), Cummings et al.
patent: 5212234 (1993-05-01), Van Gasse et al.

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