C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/129, 402/144
C08G 18/42 (2006.01) C08G 18/65 (2006.01) C08G 18/67 (2006.01) C08G 18/68 (2006.01) C08L 75/06 (2006.01)
Patent
CA 1040344
ABSTRACT OF THE DISCLOSURE Vinyl ester urethane resins are disclosed. These resins have the following general formula: R ?A - M?y A - I - B wherein A is a radical derived from a polyoxyalkylene bisphenol A; M is a radical derived from an unsaturated, aliphatic, dicarboxylic acid or an anhydride thereof; I is a radical derived from a diisocyanate; B is a radical derived from a hydroxyl-terminated ester of acrylic or methacrylic acid; y is an integer equal to from 1 to about 5; and R is selected from the group consisting of hydroxyl, I, and I - B, wherein I and B are as defined above. The resins are prepared by reacting (a) the reaction product of a polyol alkylene bisphenol and an unsaturated, aliphatic, dicarboxylic acid or anhydride; (b) a diisocyanate; and (c) a hydroxyl-terminated ester of acrylic or methacrylic acid.
198529
Ford Ernest C. (jr.)
Restaino Alfred J.
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