Epoxy ester compositions

Details Epoxy ester compositions Epoxy ester compositions

C - Chemistry, Metallurgy

08

G

402/252, 400/792

C08G 59/22 (2006.01) C08G 59/06 (2006.01) C08G 59/16 (2006.01) C08G 59/38 (2006.01) C08G 59/42 (2006.01) C08L 63/02 (2006.01)

Patent

CA 1328529

ABSTRACT OF THE DISCLOSURE Epoxy esters which are formulated into high solids coating compositions are made from epoxy resins and fatty acids wherein the epoxy resin is made from a diglycidyl ether of a dihydric phenol and castor oil polyglycidyl ether reacted with a dihydric phenol. In particular, the epoxy ester composition of this invention is the reaction product of (a) a diglycidyl ether of a dihydric phenol; (b) castor oil polyglycidyl ether; (c) a dihydric phenol; (d) a monocarboxylic fatty acid; and (e) a dimer acid. The diglycidyl ether of the dihydric phenol, the castor oil polyglycidyl ether and the dihydric phenol are reacted in such amounts that the sum of the epoxide equivalents of the diglycidyl ether of the dihydric phenol and the castor oil polyglycidyl ether and the phenolic equivalents of the dihydric phenol are in the ratio of about 2:1 to about 4:3.

581708

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