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形状记忆聚偏氟乙烯/丙烯酸酯/碳纳米管纳米复合材料的导电及导热性能

富慧,种宁,邱继善,王雅晴,田园园,由吉春*,李勇进*   

  1. (杭州师范大学材料与化学化工学院 杭州 310036)
  • 收稿日期:2013-02-26 修回日期:2013-05-01 出版日期:2014-01-10 发布日期:2014-01-10
  • 通讯作者: 由吉春，副教授; Tel:0571-28866579; Fax:0571-28867899; E-mail:youjichun@126.com; 研究方向：高分子表界面相行为
  • 基金资助:
    国家自然科学基金（21074029,21104013,21104014）和浙江省杰出青年基金（R4110021）资助项目

Electrical and Thermal Conductivity of Shape Memory Polyvinylidene Fluoride/Acrylic Rubber/Carbon Nanotubes Nanocomposites

FU Hui, CHONG Ling, QIU Jishan, WANG Yaqing, TIAN Yuanyuan, YOU Jichun*, LI Yongjin*   

  1. (College of Materials,Chemistry and Chemical Engineering,Hangzhou Normal University,Hangzhou 310036,China)
  • Received:2013-02-26 Revised:2013-05-01 Published:2014-01-10 Online:2014-01-10

PDF

1427

被引次数

9 | 2

摘要： 利用聚偏氟乙烯（PVDF）微小结晶的物理交联点作用，制备了形状记忆性能优异的聚偏氟乙烯/丙烯酸酯聚合物（PVDF/ACM）共混材料，为提高其导电及导热性能，于其中引入了碳纳米管（CNT），系统研究了PVDF/ACM/CNT三元体系纳米复合材料的导热及导电性能。 结果表明，碳纳米管在PVDF/ACM体系中分散均匀；在基本保持其形状记忆性能的前提下，碳纳米管的加入使材料导热性能及导电性能有较大程度的提高：质量分数为4%的CNT使材料25 ℃的电阻值降低至5000 Ω/square，导热系数提高至0.157 W/(m·K)。

关键词: 碳纳米管, 纳米复合材料, 导电性能, 导热性能, 形状记忆高分子

Abstract: Polyvinylidene fluoride(PVDF)/acrylic rubber(ACM) blends with controlled blend compositions and crystallization conditions exhibit nice shape memory properties. In this work, we systematically investigated the electrical and thermal conductivity of the PVDF/ACM shape memory alloy by the incorporation of multi-walled carbon nanotubes(CNT). It was found that the CNTs are homogeneously dispersed in the polymer matrix. The incorporation of CNTs significantly enhances both the electrical and thermal conductivity of the nanocomposites. The electrical conductivity of the nanocomposites with 4%(mass fraction) CNTs reaches 5000 Ω/square and the thermal conductivity is 0.157 W/(m·K) at 25 ℃.

Key words: CNT,nanocomposites, electrical conductivity, thermal conductivity, shape memory materials

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