...表支架为生物可降解依维莫司药物洗脱聚乳酸支架（bioabsorbable everolimus-eluting stent，BVS)），聚乳酸（Poly Lactide Acid）作为生物可吸收支架材料，依维莫司（Zotarolimus）有抗增殖作用。
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Polylactic acid (PLA) is a linear aliphatic polyester produced by poly-condensation of naturally produced lactic acid or by the catalytic ring opening of the lactide group.
聚乳酸(PLA)是一种线性脂肪族聚酯的聚乳酸中自然产生的或由丙交酯开环缩合催化剂组产生。
With the Zinc as the catalyst, lactide monomer was obtained by decomposition of low polymer. With the zinc diethyl as the catalyst, the lactide was polymerized to Poly(DL-lactic acid).
以锌为催化剂由乳酸的低聚物裂解制得单体丙交醋，再由二乙基锌引发开环聚合得到高分子量的聚乳酸。
Disclosed is a means for producing lactide efficiently in the production of a poly(lactic acid) by depolymerizing a lactic acid oligomer to produce lactide and ring-opening-polymerizing lactide.
本发明在对乳酸低聚物进行解聚并对得到的丙交酯进行开环聚合的聚乳酸的制造中，提供一种高效地得到丙交酯的方法。
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