| 聚乳酸合成研究进展 |
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| 引用本文： | 汪朝阳,赵海军,侯晓娜,罗玉芬,宋秀美.聚乳酸合成研究进展[J].高分子材料科学与工程,2009(3):162-165. |
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| 作者姓名： | 汪朝阳 赵海军 侯晓娜 罗玉芬 宋秀美 |
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| 作者单位： | 华南师范大学化学与环境学院化学系; |
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| 基金项目： | 广东省自然科学基金博士科研启动基金(5300082);;国家自然科学基金资助项目(20772035) |
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| 摘 要： | 针对直接法和二步法合成聚乳酸的共性,从单体纯度、催化剂选择到共沸脱水、微波辅助、超临界流体介质,以及到固相聚合、反应挤出、扩链等各个方面,对近年来聚乳酸合成研究的新进展进行了综述,指出各种新方法、新技术的复合应用是提高聚乳酸分子量、降低其成本的关键。
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| 关 键 词： | 聚乳酸 合成 直接熔融聚合 丙交酯开环聚合 固相聚合 |
Progress on the Synthesis Research of Poly(Lactic Acid) |
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| WANG Zhao-yang,ZHAO Hai-jun,HOU Xiao-na,LUO Yu-fen,SONG Xiu-mei.Progress on the Synthesis Research of Poly(Lactic Acid)[J].Polymer Materials Science & Engineering,2009(3):162-165. |
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| Authors: | WANG Zhao-yang ZHAO Hai-jun HOU Xiao-na LUO Yu-fen SONG Xiu-mei |
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| Affiliation: | School of Chemistry and Environment;South China Normal University;Guangzhou 510006;China |
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| Abstract: | As a kind of important biodegradable material,poly(lactic acid)(PLA) is extensively applied in the field of biomedicine,fiber,and plastics.Based on the analysis of both the direct polycondensation of lactic acid(LA) and the two-step ring-opening polymerization of lactide,the new progress on the synthesis research of PLA was reviewed from monomer purity,catalyst choice,azeotropic dehydration,microwave assistance,supercritical fluid medium to solid state polymerization,reaction extrusion,and chain extension.I... |
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| Keywords: | poly(lactic acid) synthesis direct melt polycondensation ring-opening polymerization of lactide solid state polymerization |
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