C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/14 (2006.01) B05D 3/06 (2006.01) C08F 2/50 (2006.01) C08F 283/00 (2006.01) C08F 290/14 (2006.01) C08G 18/67 (2006.01) C08L 75/14 (2006.01) C09D 4/06 (2006.01) C09D 175/16 (2006.01)
Patent
CA 2107352
An ultraviolet curable blend composition comprising (exclusive of any solvent present): (a) about 35 % to about 65 % by weight of a first acrylated aliphatic urethane having a molecular weight of between about 500 and 2000 and formed by the reaction of (i) a first multifunctional acrylate with a molecular weight of between about 190 and 500 and containing at least three polymerizable unsatured groups per molecule, with (ii) an aliphatic urethane based on a polymer of allyl carbomonocycle diisocyanate with alkanepolyol polyacrylates; (b) about 5 % to about 25 % by weight of a second acrylated aliphatic urethane having a molecular weight of about 1200 to about 2600 and formed by the reaction of a second multifunctional acrylate with a molecular weight of about 110 to about 500 with an aliphatic urethane based on a polyether and having a molecular weight of about 800 to about 2200; (c) about 10 % to about 55 % by weight of a third multifunctional acrylate having a molecular weight of between about 170 and about 1000 and containing at least two polymerizable unsaturated groups per molecule; and (d) a photopolymerization initiator and/or sensitizer. Also described are preferred processes and coated articles involving preferred compositions.
Red Spot Paint & Varnish Co. Inc.
Smart & Biggar
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