| 连续微波辐射直接熔融缩聚法合成聚L-乳酸 |
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| 引用本文： | 张英民,李开明,王鹏,焦春艳,韩宁. 连续微波辐射直接熔融缩聚法合成聚L-乳酸[J]. 高分子材料科学与工程, 2009, 0(10) |
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| 作者姓名： | 张英民 李开明 王鹏 焦春艳 韩宁 |
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| 作者单位： | 环境保护部华南环境科学研究所;哈尔滨工业大学绿色化学与技术研究中心;中国科学院过程工程研究所; |
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| 摘 要： | 连续微波辐射条件下,以工业L-乳酸为原料,直接熔融缩聚合成聚L-乳酸(PLLA)。考察了脱水真空度,预聚合温度、聚合恒温时间和催化剂种类对实验的影响。得到最佳操作条件为:以复合二元催化剂SnCl2/TSA=1∶1(SnCl2的质量分数为0.45%)为催化剂,0.080 MPa脱水15 min,0.090 MPa预聚合30 min,体系升温至230℃后恒温20 min,可获得黏均分子量(-Mη)高达6.02×104g/mol的PLLA。
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| 关 键 词： | 连续微波辐射 聚乳酸 熔融缩聚 乳酸 |
Direct Synthesis of Poly(L-Lactic Acid) by Melt Polycondensation Under Continuous Microwave Irradiation |
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| ZHANG Ying-min,LI Kai-ming,WANG Peng,JIAO Chun-yan,HAN Ning. Direct Synthesis of Poly(L-Lactic Acid) by Melt Polycondensation Under Continuous Microwave Irradiation[J]. Polymer Materials Science & Engineering, 2009, 0(10) |
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| Authors: | ZHANG Ying-min LI Kai-ming WANG Peng JIAO Chun-yan HAN Ning |
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| Affiliation: | ZHANG Ying-min1,LI Kai-ming1,WANG Peng2,JIAO Chun-yan2,HAN Ning3(1.South China Institute of Environmental Sciences,Ministry of Environmental Protection,Guangzhou 510655,China,2.Research Center for Green Chemistry and Technology,School of Municipal and Environmental Engineering,Harbin Institute of Technology,Harbin 150090,3.Institute of Process Engineering,Chinese Academy of Sciences,Beijing 100190,China) |
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| Abstract: | |
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| Keywords: | continuous microwave irradiation poly(L-lactic acid) melt polycondensation lactic acid |
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