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研究了从端乙酰氧基聚醚代替端羟基聚醚合成聚对苯二甲酸乙二酯-聚四亚甲基醚多嵌段共聚物的新途径。探讨了其嵌段共聚合反应过程。所合成的嵌段共聚物是性能优良的热塑弹性体。
A new route to synthesize poly (ethylene terephthalate) -poly (tetramethylene ether) multiblock copolymer from terminal acetoxy polyether instead of hydroxyl terminated polyether was studied. The block copolymerization process was discussed. The synthesized block copolymer is a good performance thermoplastic elastomer.