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Stereocomplex poly-L-lactide urethane and poly-D-lactide urethane and the process for obtaining
Stereocomplex poly-L-lactide urethane and poly-D-lactide urethane and the process for obtaining
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机译：立体复合聚-L-丙交酯氨基甲酸酯和聚-D-丙交酯氨基甲酸酯及其获得方法
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摘要
A stereocomplex urethane polylactide comprising 30 to 70% by weight of poly-L-lactide urethane and 70 to 30% by weight of poly-D-lactide urethane and has a melting point between 200 and 250 ° C measured by differential scanning calorimetry according to ISO 11357-3, and that the poly-L-lactide and poly-D-lactide α, ω-dihydroxylated used to obtain poly-L-lactide urethane and poly-D-lactide urethane respectively have an average molecular weight of from 5000 Dalton or higher, preferably 10,000 Dalton or higher.
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机译：立体复合氨基甲酸酯聚乳酸，其包含30至70重量％的聚-L-丙交酯氨基甲酸酯和70至30重量％的聚-D-丙交酯氨基甲酸酯，并且根据差示扫描量热法测量的熔点为200至250℃。 ISO 11357-3，并且用于获得聚L-丙交酯氨基甲酸酯和聚D-丙交酯氨基甲酸酯的聚L-丙交酯和聚D-丙交酯α，ω-二羟基化的平均分子量分别为5000道尔顿或更高，优选10,000道尔顿或更高。
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