In exposure to light body matrix useful bisphenol based polyester

摘要

PURPOSE: To provide a polymer material which can be efficiently synthesized, has a low melt viscosity and contains byproducts at a low rate and to make this polymer material usable as a polymer binder for a photoreceptor. CONSTITUTION: In the copolyester of the following formula. R1 , R2 and R3 are selected independently from a group consisting of alkyl and aryl, and m and x are integers of =0.