Curable poly(acrylate) molding compositions containing a thermop

Details Curable poly(acrylate) molding compositions containing a thermop Curable poly(acrylate) molding compositions containing a thermop

1983-05-26

1984-12-11

Lilling, Herbert J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428290, 524492, 524496, 524504, 524513, 524514, 524533, 524539, 525 66, 525301, 525305, B29D 302, B32B 904, B32B 900, C08K 304

Patent

active

044877986

ABSTRACT:
This invention is directed to curable molding compositions containing a mixture of a poly(acrylate), a polymerizable ethylenically unsaturated monomer which serves to crosslink the poly(acrylate) to a thermoset product, unsubstituted or substituted meta- and/or para-divinylbenzene and a thermoplastic polymer low profile additive. The curable molding compositions exhibit improved shrink control during the curing reaction. This invention is also directed to fiber reinforced thermoset resin articles which exhibit generally improved surface appearance quality and can be produced by a rapid injection molding process from the curable molding compositions.

REFERENCES:
patent: 3789051 (1974-01-01), Rees et al.
patent: 3957918 (1976-05-01), Dickie et al.
patent: 3987127 (1976-10-01), Dickie et al.
patent: 4327013 (1982-04-01), Peters
patent: 4356230 (1982-10-01), Emanuel et al.
patent: 4426491 (1984-01-01), Gardner
patent: 4434206 (1984-02-01), Fukuda et al.
U.S. patent application Ser. No. 279,446, filed Jul. 1, 1981.
U.S. patent application Ser. No. 135,906, filed Apr. 14, 1980.
U.S. patent application Ser. No. 279,448, filed Jul. 1, 1981.
U.S. patent application Ser. No. 278,902, filed Jun. 29, 1981.
U.S. patent application Ser. No. 279,450, filed Jul. 1, 1981.

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