Thermosetting in-mold coating compositions

Stock material or miscellaneous articles – Composite – Of epoxy ether

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106 382, 428480, 428482, 428483, 428288, 428522, 252511, 2524111, B32B 2738, B32B 2706

Patent

active

050843532

ABSTRACT:
A fiber glass reinforced plastic can be in-mold coated utilizing a free radical peroxide initiated thermosetting composition of at least one polymerizable epoxy based oligomer having at least two acrylate groups, at least one copolymerizable ethylenically unsaturated monomer, at least one copolymerizable monoethylenically unsaturated compound having a --CO-- group and a --NH.sub.2, --NH--and/or --OH group, and other conventional components such as at least one zinc salt of a fatty acid, at least one accelerator, at least one filler, and the like. The thermosetting compositions of the present invention utilize a very low or nil amount of an adhesion agent such as a polyvinyl acetate and unexpectedly achieves better flow and good coverage at reduced coating weights.

REFERENCES:
patent: 4081578 (1978-03-01), Van Essen et al.
patent: 4414173 (1983-11-01), Cobbledick et al.
patent: 4515710 (1985-05-01), Cobbledick et al.
patent: 4534888 (1985-08-01), Cobbledick et al.
patent: 4719038 (1988-01-01), Sobata et al.

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