Photocurable polyamine-ene compositions having improved cure...

Details Photocurable polyamine-ene compositions having improved cure... Photocurable polyamine-ene compositions having improved cure...

C - Chemistry, Metallurgy

08

L

400/6524

C08L 33/00 (2006.01) C08F 299/04 (2006.01) C08L 39/00 (2006.01) C09D 167/06 (2006.01)

Patent

CA 2011876

-23- PHOTOCURABLE POLYAMINE-ENE COMPOSITIONS HAVING IMPROVED CURE SPEED ABSTRACT A photocurable ethylenically unsaturated liquid coating composition consisting essentially of: 1- polyethylenically unsaturated material in which the ethylenically unsaturated groups are polymerizable groups which are not (meth)acrylate groups; 2- a polyamine resin; and 3- an hydroxyalkyl phenone photoinitiator to speed the cure. The photocure rate is also speeded by combining a tertiary amine-functional acrylic copolymer, an allyl-functional resin, and a maleate-functional resin in a weight ratio of about 15-65/5-45/30-70. In preferred practice both expedients are used to maximize the cure speed.

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