Stock material or miscellaneous articles – Composite – Of addition polymer from unsaturated monomers
Patent
1989-12-08
1992-03-03
Sluby, P. C.
Stock material or miscellaneous articles
Composite
Of addition polymer from unsaturated monomers
428522, 428922, 264212, 526287, B32B 2708, C09K 316
Patent
active
050932055
ABSTRACT:
A synthetic resin shaped article having good antistatic properties, composed of a substrate, at least part of which is covered with a synthetic resin surface layer integrated with the substrate. This shaped article is prepared by polymerizing 100 wt. parts of a mixture comprising (A) more than 20 wt. % of a monomer of the formula (I): ##STR1## wherein R.sub.1 is H or CH.sub.3, R.sub.2, R.sub.3 and R.sub.4 are H or C.sub.1-9 alkyl, m is from 1 to 10, and X.sup.- is an anion, (B) less than 79.99 wt. % of a monomer having one unsaturated double bond and (C) 0.01-10 wt. % of a monomer having at least two unsaturated double bonds; subsequently adding (D) up to 190 wt. parts of a monomer having one unsaturated double bond and (E) up to 10 wt. parts of a monomer having at least two unsaturated double bonds to the formed polymer and polymerizing them to form a copolymer(a); forming a film of the copolymer(a) on the surface of a casting mold; supplying a starting material for a synthetic resin substrate into the casting mold; and polymerizing the starting material to transfer the film to the substrate surface from the molding surface.
REFERENCES:
patent: 4734319 (1988-03-01), Doi et al.
patent: 4786560 (1988-11-01), Crocker
patent: 4848566 (1989-07-01), Havens et al.
patent: 4877687 (1989-10-01), Azegami et al.
Hatakeyama Hiroki
Yamamoto Naoki
Mitsubishi Rayon Company Ltd.
Sluby P. C.
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