Succinic acid/purified terephthalic acid/ethylene glycol(SA/PTA/EG)copolyester was prepared by the eopolymer- ization between SA partly substituting for PTA and corn-based EG and spun into fibers.

• 将丁二酸(SA)部分取代对苯二甲酸(PTA),与玉米基乙二醇(EG)共聚制得SA/PTA/EG共聚酯并对其进行纺丝,研究了共聚酯纤维的可纺性、力学性能和染色性能。