Evaluation of electric, morphological and thermal properties of thermally conductive polymer composites

被引：22
作者：
Lebedev, Sergey M. [1 ]
Gefle, Olga S. [1 ]
机构：
[1] Tomsk Polytech Univ, Tomsk 634028, Russia
来源：
APPLIED THERMAL ENGINEERING | 2015年 / 91卷
关键词：
Polymer/graphite composites; Thermal conductivity; Thermal diffusivity; Heat sink; LED-lamp; CARBON-BLACK; PARTICLE-SIZE; NANOCOMPOSITES; ENHANCEMENT; DIFFUSIVITY; DISPERSION; NANOTUBES; FILLER; CLAY; MELT;
D O I：
10.1016/j.applthermaleng.2015.08.046
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Natural graphite powder was introduced into a linear low density polyethylene (LLDPE) to improve the thermal conductivity. The thermal conductivity of LLDPE/graphite composites is increased by more than seventeen times with increase in filler content up to 30 vol.% as compared to that of LLDPE matrix. The percolation threshold for these composites is equal to 10 vol.%. LLDPE/graphite composites can be used as cost effective thermally dissipative materials for electrical engineering and electronic devices due to the high thermal conductivity and thermal diffusivity. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：875 / 882
页数：8
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