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主要研究了丙交酯在双金属氧桥催化剂作用下的开环本体聚合，探讨了聚合反应温度，催化剂用量，及体系真空度对聚丙交酯的分子量的影响，并初步测定了聚丙交酯的降解速度。
In this paper, we mainly studied the ring-opening bulk polymerization of lactide under the action of bimetallic oxygen bridge. The effects of polymerization temperature, catalyst dosage and system vacuum on the molecular weight of polylactide were discussed. The effects of polylactide Degradation speed.