Syntheses and Physical Properties of Polyester and Poly(ester-urethane) Containing Phosphorylcholine Moiety

Abstract

The syntheses of novel polyesters and poly(ester-urethane)s containing phosphorylcholine (PC) group was carried out. The obtained polymers were soluble in aprotic polar solvents such as DMSO and NMP. By the way, the copolyesters containing polycarbonate segment showed the better solubility than the homopolyester, which were soluble in the low boiling point solvents such as THF and chloroform. Furthermore, the obtained polymers showed the high thermal stability up to 250℃, at which the thermal degradation of PC moiety occurred. In particular, the self-standing polymer films could be prepared from poly(ester-urethane). The poly(ester-urethane) films exhibited the elastic properties with high tensile strength, therefore, these polymers could be expected as elastic biocompatible materials for the use of biomedical devices.