Facile Syntheses of Aromatic Polyesters Bearing Alicyclic Units in the Main Chains

Abstract

Interfacial polycondensation of cyclohexanedicarbonyl dichlorides and adamantanedicarbonyl dichloride with bisphenols in 2M NaOH aq./CHCl 3 afforded semi-aromatic polyesters. Glass transition temperatures (T g 's) of the resulting polyesters are in the range of 110-222 °C. Temperatures where 5% weight losses of the polyesters occur in N 2 are in the range of 304-448°C. Polyesters 4 and 10, which include trans-1,2-cyclohexanediyl and 1,3-adamantanadicarbonyl units, respectively, have excellent solubility in organic solvents. The polyester films 10a,b,e, which are prepared by casting from CHCl 3 , have excellent transparency.