| abstract |
(57) [Summary] [Object] To provide a novel and useful epoxidized polyester excellent in curability, flexibility and the like, and an industrial production method thereof. [Constitution] (1) Epoxycyclohexane group in the molecule 3 An epoxidized polyester containing at least one and having a number average molecular weight of 1,000 to 10,000. (2) A polyester containing 3 or more cyclohexene groups in a molecule and having a number average molecular weight of 1,000 to 10,000 is dissolved in a hydrocarbon solvent and / or an ester solvent, Epoxidation with hydrogen peroxide in the presence of weakly basic compounds. (3) The polyester is epoxidized with peracetic acid. |