C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/16 (2006.01) B05D 3/06 (2006.01) C08F 2/50 (2006.01) C08G 18/67 (2006.01) C09D 4/00 (2006.01) C09D 4/06 (2006.01) C09D 135/00 (2006.01) G02B 1/10 (2006.01)
Patent
CA 2107353
An ultraviolet curable clearcoat composition comprising (exclusive of any solvent present): (a) about 30 % to about 90 % by weight of an acrylated aliphatic urethane having a molecular weight of about 1200 to 2600 and formed by the reaction of a multifunctional acrylate with a molecular weight of between about 110 and about 500 with an aliphatic urethane based on a polyether and having amolecular weight of about 800 to about 2200; (b) about 15 % to about 70 % by weight of a multifunctional acrylate having a molecular weight of about 170 to about 1000 and containing at least two polymerizable unsaturated groups per molecule; and (c) a photopolymerization initiator and/or sensitizer. Also described are preferred processes and clearcoated articles involving preferred clearcoat compositions.
Red Spot Paint & Varnish Co. Inc.
Smart & Biggar
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