| 单模聚焦微波辐射酶促合成PLA-PEG-PLA三嵌段共聚物 |
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| 引用本文： | 罗丙红,钟翠红,徐宠恩,焦延鹏,周长忍. 单模聚焦微波辐射酶促合成PLA-PEG-PLA三嵌段共聚物[J]. 功能材料, 2011, 42(1): 21-24,29 |
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| 作者姓名： | 罗丙红 钟翠红 徐宠恩 焦延鹏 周长忍 |
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| 作者单位： | 暨南大学理工学院材料科学与工程系;暨南大学人工器官与材料教育部工程中心; |
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| 基金项目： | 国家自然科学基金资助项目(30500128); 国家高技术研究发展计划(863计划)资助项目(2007AA091603); 暨南大学“211”生物材料与组织工程“平台”创新基金资助项目(50621030) |
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| 摘 要： | 采用Discover微波精确有机合成系统及其单模聚焦微波辐射技术与空压气体同步冷却技术,分别以脂肪酶和辛酸亚锡为催化剂,聚乙二醇(PEG)为大分子引发剂引发消旋丙交酯(D,L-LA)开环聚合制备PLA-PEG-PLA共聚物,通过正交实验研究了功率、催化剂种类和用量、时间和温度对共聚物产率的影响,确定了最佳合成条件.在此...
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| 关 键 词： | 聚乳酸 聚乙二醇 单模聚焦微波 酶促合成 |
Enzymatic synthesis of PLA-PEG-PLA tri-block copolymer under single-mode focus microwave radiation |
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| LUO Bing-hong,ZHONG Cui-hong,XU Chong-en,JIAO Yan-peng,ZHOU Chang-ren. Enzymatic synthesis of PLA-PEG-PLA tri-block copolymer under single-mode focus microwave radiation[J]. Journal of Functional Materials, 2011, 42(1): 21-24,29 |
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| Authors: | LUO Bing-hong ZHONG Cui-hong XU Chong-en JIAO Yan-peng ZHOU Chang-ren |
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| Affiliation: | LUO Bing-hong1,2,ZHONG Cui-hong1,XU Chong-en1,JIAO Yan-peng1,ZHOU Chang-ren1,2 (1.Department of Materials Science and Engineering,Jinan University,Guangzhou 510630,China,2.Engineering Research Center of Artificial Organs and Materials,Ministry of Education,China) |
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| Abstract: | PLA-PEG-PLA tri-block copolymer was synthesized by precision microwave organic synthesis system which combining single-mode focusing microwave radiation technology and synchronized pneumatic gas cooling technology.In the experiment,PPL or Sn(Oct)2 as a catalyst respectively,and poly(ethylene glycol) as a co-initiator to initiate the bulk ring-opening polymerization of D,L-LA.In order to find the best reaction conditions,the influences of macrowave power,the type and content of catalyst,irradiation time and ... |
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| Keywords: | poly(D L-lactide) poly(ethylene glycol) single-mode focus microwave enzymatic synthesis |
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