Radiation curable coating composition and method for...

C - Chemistry – Metallurgy – 08 – G

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400/1338, 117/18

C08G 59/16 (2006.01) C08F 20/20 (2006.01) C08F 299/02 (2006.01) C09D 4/00 (2006.01)

Patent

CA 1090040

Abstract of the Disclosure 3-Halo-2-hydroxypropyl acrylates and methacrylates and 2-halo-1- (hydroxymethyl)ethyl acrylates and methacrylates are used as reactive solvent for an acrylic or (meth)acrylic terminated polyether resin in radiation curable coating compositions. Mixtures of the (meth)acrylic terminated polyether resin and 3-halo-2-hydroxypropyl (meth)acrylate and/or 2-halo-1-(hydroxymethyl)- ethyl (meth)acrylate are usually prepared by adding diglyeidyl ether of bisphenol A to (meth)acrylic acid while the weight of 3-halo-2-hydroxypropyl (meth)acrylate and 2-halo-1-(hydroxymethyl)ethyl (meth)acrylic in the reaction mixture 18 at least about 5 percent by weight of the sum of the weights of the (meth)acrylic terminated polyether resin, the 3-halo-2-hydroxypropyl (meth)acrylate and the 2-halo-1-(hydroxymethyl)ethyl (meth)acrylate present in the reaction mixture. In a preferred embodiment, both epihalohydrin and diglyeidyl ether of bisphenol A are added to the (meth)acrylic acid.

270569

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