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US4289873A Process for producing lactone polyesters 失效
生产内酯聚酯的方法

Process for producing lactone polyesters
摘要:
In a process for producing a lactone polyester which comprises ring-opening polymerization of a lactone in the presence of a metal containing organic compound as a catalyst, the improvement wherein said compound is an alcoholate, chelate or organic acid salt of vanadium or molybdenum.
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