| 交替微层结构PPCB/PP导电复合材料的结构与性能 |
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| 引用本文： | 文明,许双喜,李婷,李姜,郭少云. 交替微层结构PPCB/PP导电复合材料的结构与性能[J]. 高分子材料科学与工程, 2009, 0(11) |
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| 作者姓名： | 文明 许双喜 李婷 李姜 郭少云 |
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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; |
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| 基金项目： | 国家自然科学基金资助项目(50603016) |
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| 摘 要： | 利用自主设计的微层共挤出设备,制备了具有交替微层结构的炭黑填充聚丙烯/聚丙烯(PPCB/PP)导电复合材料。PPCB层和PP层均为连续相,炭黑仅选择性分散在PPCB层内,形成一种特殊的双逾渗现象。电性能测试表明,微层共挤出技术可显著降低微层PPCB/PP复合材料的逾渗阈值和电阻率,其导电性能与材料层数相关。此外,微层共挤出方法能明显改善材料的韧性。
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| 关 键 词： | 聚丙烯 炭黑 导电复合材料 微层共挤出 |
Structure and Properties of Microlayered Conductive PPCB/PP Composites |
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| WEN Ming,XU Shuang-xi,LI Ting,LI Jiang,GUO Shao-yun. Structure and Properties of Microlayered Conductive PPCB/PP Composites[J]. Polymer Materials Science & Engineering, 2009, 0(11) |
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| Authors: | WEN Ming XU Shuang-xi LI Ting LI Jiang GUO Shao-yun |
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| Affiliation: | WEN Ming,XU Shuang-xi,LI Ting,LI Jiang,GUO Shao-yun (State Key Laboratory of Polymer Materials Engineering,Polymer Research Institute of Sichuan University,Chengdu 610065,China) |
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| Abstract: | Microlayered conductive carbon black filled polypropylene/polypropylene(PPCB/PP) composites were prepared via the microlayered coextrusion system designed in our lab.SEM and TGA results show that the alternating stratified structure is formed and the carbon black particles are selectively located in PPCB layers,forming a special co-continuous structure.As a result,the double percolation is achieved in single polymer matrix.The electrical testing results indicate that the percolation threshold of the microla... |
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| Keywords: | polypropylene carbon black conductive composites microlayered coextrusion |
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