| 聚乳酸/蒙脱土纳米复合材料的力学性能和流变性能 |
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| 引用本文： | 兰江,陈金耀,曹亚,李惠林. 聚乳酸/蒙脱土纳米复合材料的力学性能和流变性能[J]. 高分子材料科学与工程, 2009, 25(7): 87-89,93 |
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| 作者姓名： | 兰江 陈金耀 曹亚 李惠林 |
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| 作者单位： | 高分子材料工程国家重点实验室,四川大学高分子研究所,四川,成都,610065;高分子材料工程国家重点实验室,四川大学高分子研究所,四川,成都,610065;高分子材料工程国家重点实验室,四川大学高分子研究所,四川,成都,610065;高分子材料工程国家重点实验室,四川大学高分子研究所,四川,成都,610065 |
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| 基金项目： | 国家自然科学基金资助项目(50773043) |
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| 摘 要： | 制备了聚乙二醇(PEG)、聚乳酸-聚乙二醇嵌段共聚物(PLA-PEG)插层的钠基蒙脱土、有机蒙脱土(OMMT)两类复合助剂。X射线衍射(XRD)分析结果表明,经过处理的蒙脱土层间距增大;通过熔融共混法将复合助剂与聚乳酸(PLA)共混制备PLA/MMT复合材料,研究了PLA/MMT复合材料的力学性能,动态流变性能。结果表明,复合助剂的加入可以提高聚乳酸的断裂伸长率、拉伸强度以及聚乳酸的复数黏度、储能模量和耗能模量。
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| 关 键 词： | 聚乳酸 聚乳酸.聚乙二醇 蒙脱土 纳米复合材料 |
The Mechanical Properties and Rheological Behaviors of Polylactide/Montmorillonite Nanocomposites |
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| LAN Jiang,CHEN Jin-yao,CAO Ya,LI Hui-lin,Polymer Research Institute of Sichuan University,Chengdu ,China). The Mechanical Properties and Rheological Behaviors of Polylactide/Montmorillonite Nanocomposites[J]. Polymer Materials Science & Engineering, 2009, 25(7): 87-89,93 |
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| Authors: | LAN Jiang CHEN Jin-yao CAO Ya LI Hui-lin Polymer Research Institute of Sichuan University Chengdu China) |
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| Affiliation: | LAN Jiang,CHEN Jin-yao,CAO Ya,LI Hui-lin(State Key Laboratory of Polymer Materials Engineering(Sichuan University),Polymer Research Institute of Sichuan University,Chengdu 610065,China) |
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| Abstract: | The modified montmorillonite hybrids were obtained by intercalating Na+montmorillonite(Nmmt) and organ-montmorillonite(Ommt) with polyethylene glycol(PEG) and poly(L-lactic acid)-polyethylene glycol copolymer(PLA-PEG).The results from the XRD showed that the interlayer distances of MMT hybrids were enlarged.The polylactide/montmorillonite nanocomposites(PLA/MMTs) were prepared by the melt intercalation.The mechanical properties and rheological behaviors were investigated.The results show that the elongation... |
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| Keywords: | poly(L-lactic acid) PLA-PEG montmorillonite nano-composites |
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