UV curable clearcoat compositions and process

Details UV curable clearcoat compositions and process UV curable clearcoat compositions and process

1995-06-07

1999-11-02

Berman, Susan W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 79, 522 80, 522 78, 522 96, 522 97, 427512, 427516, 427517, 427519, 359581, 359582, 359900, G02B 110, C08J 704, C08F 250

Patent

active

059772000

ABSTRACT:
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 a molecular 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.

REFERENCES:
patent: 4287323 (1981-09-01), Tefertiller et al.
patent: 4511596 (1985-04-01), Berner
patent: 4929506 (1990-05-01), Kerr, III et al.
patent: 5571570 (1996-11-01), Lake

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