Patent ID: 6201073
Filing Date: 2001-03-13
Classification: C08G,C09D

Abstract:
A linear, tertiary carboxyl functional polyester resin produced by reacting:(a) 1,4-dicarboxylcyclohexane (A);(b) dimethylolproprionic acid (B);(c) hydrogenated diphenylolpropane (C); and(d) hydroxypivalic acid (D"")(e) wherein the molar ratio of compounds A:B:C:D"" is (X+Y+1):Y:X:N,wherein N is 2, X ranges from 3 to 6, Y ranges from 2 to 3, and (X+Y+1) ranges from 6 to 9, at a temperature of from 100 to 225.degree. C., until essentially all the non-tertiary carboxyl groups as initially present in the reaction mixture have been reacted.