C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
117/200, 400/402
C09D 5/32 (2006.01) C08J 7/04 (2006.01) C09D 4/06 (2006.01) C09D 123/28 (2006.01) C09D 133/00 (2006.01)
Patent
CA 1332484
ABSTRACT OF THE INVENTION 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.
593462
Hartman Marvis Edgar
Poole James Edward
Borden Ladner Gervais Llp
Hartman Marvis Edgar
Poole James Edward
Ppg Industries Inc.
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