POLYESTER CONTAINING TERPENE PHENOL UNIT

摘要

Disclosed is a novel polyester to be used as a flexible photosensitive resin, namely a polyester having a terpene skeleton represented by the general formula (1) below. (In the formula below, X represents a terpene diphenoxy group; Y represents a residue obtained by removing a carboxyl group from a tetrabasic acid dianhydride; R represents H or CH3; R' represents H or a residue of a carboxyl group blocking agent; and n represents an integer of 1-40.)