研究了采用自制钛系聚酯催化剂，考察各聚合工艺及合成产品性能。结果表明：制备的钛系催化剂活性高、性能稳定、催化剂用量小。钛系催......

1IntroductionIn this paper, a novel water-soluble block copolymer with rod-coil structures was prepared using polyfluore......