CN102020628B - 一种聚乳酸中间体丙交酯制备工艺的改进方法 - Google Patents
一种聚乳酸中间体丙交酯制备工艺的改进方法 Download PDFInfo
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- CN102020628B CN102020628B CN 201110001115 CN201110001115A CN102020628B CN 102020628 B CN102020628 B CN 102020628B CN 201110001115 CN201110001115 CN 201110001115 CN 201110001115 A CN201110001115 A CN 201110001115A CN 102020628 B CN102020628 B CN 102020628B
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- lactide
- lactic acid
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CN 201110001115 CN102020628B (zh) | 2011-01-06 | 2011-01-06 | 一种聚乳酸中间体丙交酯制备工艺的改进方法 |
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CN 201110001115 CN102020628B (zh) | 2011-01-06 | 2011-01-06 | 一种聚乳酸中间体丙交酯制备工艺的改进方法 |
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CN102020628A CN102020628A (zh) | 2011-04-20 |
CN102020628B true CN102020628B (zh) | 2013-07-31 |
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CN 201110001115 Expired - Fee Related CN102020628B (zh) | 2011-01-06 | 2011-01-06 | 一种聚乳酸中间体丙交酯制备工艺的改进方法 |
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Families Citing this family (5)
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KR101326521B1 (ko) * | 2011-05-26 | 2013-11-07 | 현대자동차주식회사 | 유산으로부터 락타이드의 제조 방법 |
CN102807550B (zh) * | 2012-08-20 | 2014-06-25 | 上海绿色盛世生态材料有限公司 | 一种高纯度医用丙交酯的制备方法 |
CN112480064A (zh) * | 2020-12-21 | 2021-03-12 | 天津科技大学 | 一种背包式连续精馏合成丙交酯的方法 |
CN112933630A (zh) * | 2021-01-29 | 2021-06-11 | 南京华基塔业有限公司 | 一种乳酸制备丙交酯的智能微界面反应***及方法 |
CN113842657B (zh) * | 2021-10-28 | 2023-10-03 | 北京工商大学 | 一种循环制备丙交酯的设备 |
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US5142023A (en) * | 1992-01-24 | 1992-08-25 | Cargill, Incorporated | Continuous process for manufacture of lactide polymers with controlled optical purity |
DE10020898B4 (de) * | 2000-04-20 | 2004-02-05 | Inventa-Fischer Gmbh | Verfahren zur Herstellung von Polymilchsäure und Vorrichtung hierzu |
CN2722995Y (zh) * | 2003-09-04 | 2005-09-07 | 浦纪寿 | 一种连续蒸馏分离装置 |
ES2359086T3 (es) * | 2007-09-03 | 2011-05-18 | Uhde Inventa-Fischer Gmbh | Procedimiento para purificar vapores de proceso en la preparación de polilactida. |
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