C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/255, 402/279
C08G 59/16 (2006.01) C08L 63/10 (2006.01)
Patent
CA 1090041
ABSTRACT OF THE DISCLOSURE 3-Halo-2-hydroxypropyl acrylates nod 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 diglycidyl either of bisphenol A to (meth)acrylic acid while the weight of 3-halo-2-hydroxypropyl (meth)acrylate and 2-halo-1- (hydroxymethyl)ethyl (meth)acrylate in the reaction mixture is at least about 5 percent by weight of the sum of the weights of the (meth)acrylic terminated polyether resin, the 3-halo-2hydroxypropyl (meth)acrylate and the 2-halo-1-(hydroxymethyl)ethyl (meth)acrylate present in the reaction mixture. In a preferred embodiment, both epihalohydrin and diglycidyl ether of bisphenol A are added to the (meth)acrylic acid. This application is directed to the preparation of the mixtures of the resin and reactive solvent.
314247
Borden Ladner Gervais Llp
Ppg Industries Inc.
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