Stock material or miscellaneous articles – Composite – Of metal
Patent
1989-07-03
1990-07-31
Bleutge, John C.
Stock material or miscellaneous articles
Composite
Of metal
428461, B32B 1508, B32B 2708, B32B 2732
Patent
active
049450034
ABSTRACT:
Disclosed is a coating composition which crosslinks upon exposure to ultraviolet radiation. The coating composition comprises: (A) from 1 to 5 percent of a saturated, chlorinated polymeric material selected from the group consisting of (1) a chlorinated polyolefin containing about 5 to 75 percent by weight of chlorine and having a number average molecular weight of about 5,000-50,000, (2) a chlorinated polyolefin containing carboxylic anhydride groups and about 5 to 25 percent by weight of chlorine and having a number average molecular weight of about 5,000-50,000, and (3) a mixture thereof; (B) from 20 to 80 percent of a radiation sensitive monomer having at least two addition polymerizable unsaturated bonds; (C) from 0.1 to 5.0 percent of a photopolymerization initiator; and (D) from 80 to 20 percent of an acrylic addition polymer having at least one amino group and having a number average molecular weight of about 8,000-70,000.
Also disclosed is a method of coating comprising: (I) applying to a plastic substrate a film of coating composition of the invention; and (II) curing the film by exposing the film to ultraviolet radiation.
Also disclosed is a plastic article having directly adhered to a surface thereof, a crosslinked film produced by the method of the invention.
REFERENCES:
patent: 4134814 (1979-01-01), De Poortere et al.
patent: 4197132 (1980-04-01), Yazawa et al.
patent: 4305981 (1981-12-01), Muroi et al.
patent: 4478897 (1984-10-01), Akashi et al.
patent: 4632897 (1986-12-01), Barzinski et al.
Hartman Marvis E.
Poole James E.
Berman Susan
Bleutge John C.
Breininger Thomas M.
PPG Industries Inc.
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