Enhanced thermal-mechanical properties of polymer composites with hybrid boron nitride nanofillers

被引：60

作者：

Yan, Haiyan ^{[1
]}

Tang, Yanxia ^{[2
]}

Su, Juling ^{[3
]}

Yang, Xiaoyan ^{[3
]}

机构：

[1] Xian Technol Univ, Sch Mat & Chem Engn, Xian 710032, Peoples R China

[2] Hebei North Univ, Dept Math, Coll Sci, Zhangjiakou 075000, Peoples R China

[3] Chengdu Coll Engn & Technol, Chengdu 610018, Peoples R China

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2014年 / 114卷 / 02期

关键词：

INTERFACE MATERIALS; NONCOVALENT FUNCTIONALIZATION; GRAPHITE NANOPLATELET; CARBON NANOTUBES; EPOXY COMPOSITES; SINGLE-WALL; CONDUCTIVITY; GRAPHENE; FILLER; NANOCOMPOSITES;

D O I：

10.1007/s00339-013-8149-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present work focuses on the investigation of the thermal-mechanical properties of the epoxy composites with hybrid boron nitride nanotubes (BNNTs) and boron nitride nanosheets (BNNSs). The stable dispersions of BNNTs-BNNSs were achieved by a noncovalent functionalization with pyrene carboxylic acid. The resulting epoxy/BNNTs-BNNSs composites exhibited homogeneously dispersed BNNTs-BNNSs and a strong filler-matrix interface interaction. The composites showed a 95 % increase in thermal conductivity and a 57 % improvement in Young's modulus by addition of only 1 vol. % BNNTs-BNNSs. Meanwhile, the composites also retained a high electrical resistance of pure epoxy. Our study thus shows the potential for hybrid BNNTs-BNNSs to be successfully used as the nanofillers of polymer composites for applications in electrically insulating thermal interface materials.

引用

页码：331 / 337

页数：7

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