C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/5714, 18/912
C09D 5/46 (2006.01) B29C 33/00 (2006.01) B29C 37/00 (2006.01) B29C 39/10 (2006.01) C09D 5/44 (2006.01)
Patent
CA 2294699
Method for on-mold surface coating fiberglass-reinforced molded articles during their manufacture with environmentally friendly and physiologically safe thermosetting unsaturated polyester on-mold coating powders which serve as replacements for liquid gel coats. The thermosetting coating powders employed are adapted to cure at low temperatures to avoid causing thermal damage to the heat sensitive plastic molds which must be reused over and over again, and to cure in the presence of atmospheric oxygen to enable over coating with liquid fill resins and fiberglass, which constitute the bulk of the finished article, without having the fill resins bleed through the powder coating film and detrimentally affect the overall quality of the surface finish.
Nicholl Edward G.
Shah Navin B.
Gowling Lafleur Henderson Llp
Morton International Inc.
Rohm And Haas Chemicals Llc
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