CN102766132B - 一种连续制备丙交酯的方法 - Google Patents
一种连续制备丙交酯的方法 Download PDFInfo
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- CN102766132B CN102766132B CN201210288955.2A CN201210288955A CN102766132B CN 102766132 B CN102766132 B CN 102766132B CN 201210288955 A CN201210288955 A CN 201210288955A CN 102766132 B CN102766132 B CN 102766132B
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- lactide
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- lactic acid
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CN201210288955.2A CN102766132B (zh) | 2012-08-14 | 2012-08-14 | 一种连续制备丙交酯的方法 |
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CN201210288955.2A CN102766132B (zh) | 2012-08-14 | 2012-08-14 | 一种连续制备丙交酯的方法 |
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CN102766132A CN102766132A (zh) | 2012-11-07 |
CN102766132B true CN102766132B (zh) | 2015-08-19 |
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Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR112017023064B1 (pt) * | 2015-04-30 | 2022-05-24 | Purac Biochem B.V. | Método para fabricar lactídeo |
KR20190020065A (ko) * | 2016-06-20 | 2019-02-27 | 토탈 리서치 앤드 테크놀로지 펠루이 | 열 회수를 이용한 단일 단계 락티드 제조 방법 |
CN106892894B (zh) * | 2017-03-01 | 2021-07-02 | 中国科学院长春应用化学研究所 | 一种高光学纯度丙交酯的制备方法 |
CN110105324A (zh) * | 2019-06-10 | 2019-08-09 | 南京大学 | 异辛酸锌催化合成丙交酯的方法 |
CN110204527B (zh) * | 2019-06-20 | 2021-12-17 | 南京大学 | 一种基于催化剂配制成浆料的丙交酯制备工艺 |
CN111153886B (zh) * | 2020-01-16 | 2021-03-16 | 南京大学 | 一种丙交酯的合成方法及装置 |
CN112500389B (zh) * | 2020-11-28 | 2022-09-20 | 万华化学(四川)有限公司 | 一种丙交酯的分离提纯方法 |
CN115246810B (zh) * | 2021-04-28 | 2024-03-26 | 上海浦景化工技术股份有限公司 | 乙交酯连续生产装置及其应用 |
CN115707696A (zh) * | 2021-08-20 | 2023-02-21 | 中国石油化工股份有限公司 | 一种乙交酯的组合提纯方法及所得乙交酯 |
CN113861159A (zh) * | 2021-10-28 | 2021-12-31 | 北京工商大学 | 一种直接缩聚制备丙交酯的方法 |
CN113845508B (zh) * | 2021-10-28 | 2022-03-29 | 南京大学 | 一种双金属复合催化剂制备丙交酯的方法 |
CN114349733B (zh) * | 2022-01-10 | 2023-03-28 | 万华化学集团股份有限公司 | 一种连续化制备高光纯l,l-丙交酯的方法 |
CN114773310A (zh) * | 2022-04-20 | 2022-07-22 | 长兴电子(苏州)有限公司 | 一种复合催化法合成光学纯丙交酯的方法 |
CN115073418B (zh) * | 2022-07-27 | 2024-01-26 | 中国科学院青岛生物能源与过程研究所 | 一种锌类配合催化剂及其解聚高规整度聚乳酸回收外消旋丙交酯的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6277951B1 (en) * | 1992-01-24 | 2001-08-21 | Cargill, Incorporated | Continuous process for manufacture of lactide polymers with controlled optical purity |
US6326458B1 (en) * | 1992-01-24 | 2001-12-04 | Cargill, Inc. | Continuous process for the manufacture of lactide and lactide polymers |
CN1594313A (zh) * | 2004-07-13 | 2005-03-16 | 武汉大学 | 一种连续制造丙交酯的方法 |
CN1688569A (zh) * | 2002-08-06 | 2005-10-26 | 布鲁塞尔生物技术公司 | 以乳酸或其衍生物的溶液为原料制备聚交酯的方法 |
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2012
- 2012-08-14 CN CN201210288955.2A patent/CN102766132B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6277951B1 (en) * | 1992-01-24 | 2001-08-21 | Cargill, Incorporated | Continuous process for manufacture of lactide polymers with controlled optical purity |
US6326458B1 (en) * | 1992-01-24 | 2001-12-04 | Cargill, Inc. | Continuous process for the manufacture of lactide and lactide polymers |
CN1688569A (zh) * | 2002-08-06 | 2005-10-26 | 布鲁塞尔生物技术公司 | 以乳酸或其衍生物的溶液为原料制备聚交酯的方法 |
CN1594313A (zh) * | 2004-07-13 | 2005-03-16 | 武汉大学 | 一种连续制造丙交酯的方法 |
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Effective date of registration: 20211123 Address after: 246003 108, Lianchuang center, zhumeng New District, 188 Wenyuan Road, Yixiu District, Anqing City, Anhui Province Patentee after: ANHUI JINGANRUN BIO-TECH CO.,LTD. Address before: 100025 shengdeya b509, building 1, No. 6, yingjiafen village, Chaoyang Road, Chaoyang District, Beijing Patentee before: BEIJING PULIMA TECHNOLOGY CO.,LTD. |
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Address after: 246001 building B, phase I, Wanjiang hi tech Incubation Park, Anqing Economic and Technological Development Zone, Anhui Province Patentee after: ANHUI JINGANRUN BIO-TECH CO.,LTD. Address before: 246003 108, Lianchuang center, zhumeng New District, 188 Wenyuan Road, Yixiu District, Anqing City, Anhui Province Patentee before: ANHUI JINGANRUN BIO-TECH CO.,LTD. |
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Address after: 246001 building B7, phase I, Incubation Park, economic development zone, Anqing City, Anhui Province Patentee after: ANHUI JINGANRUN BIO-TECH CO.,LTD. Address before: 246001 building B, phase I, Wanjiang hi tech Incubation Park, Anqing Economic and Technological Development Zone, Anhui Province Patentee before: ANHUI JINGANRUN BIO-TECH CO.,LTD. |
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