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Thermal conductivity of poly vinylidene fluoride composites filled with expanded graphite and carbon nanotubes
Author(s) -
Shou QingLiang,
Cheng JiPeng,
Fang JiHong,
Lu FeiHong,
Zhao JiaJie,
Tao XinYong,
Liu Fu,
Zhang XiaoBin
Publication year - 2012
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.37876
Subject(s) - materials science , composite material , carbon nanotube , graphite , thermal conductivity , scanning electron microscope , polymer , fluoride , composite number , filler (materials) , electrical resistivity and conductivity , chemistry , inorganic chemistry , electrical engineering , engineering
The composites composed of Poly (vinylidene fluoride), expanded graphite (EG), and carbon nanotubes (CNTs) have been prepared by solution mixing, followed by compression. The structure of the composites was examined with scanning electron microscope and their electrical and thermal properties were investigated. About 1.2 wt % content of CNTs could present a percolated network in the polymer matrix, characterized by the electrical conductivity. The incorporation of EG and CNTs in the polymer caused an enhancement in thermal conductivity for the composites. However, a hybrid of EG and CNTs as filler of the polymer yielded a further improvement in thermal conductivity as compared to single component filler. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013