期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 90, 期 -, 页码 614-625出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2016.08.029
关键词
Polymer-matrix composites (PMCs); Microstructures; Thermal properties; Rheology
资金
- National Natural Science Foundation of China [51673159, 51203129]
- Opening Project of State Key Laboratory of Polymer Materials Engineering (Sichuan University) [sklpme2015-4-21]
A small quantity of carbon nanotubes (CNTs) and graphene nanoplatelets (GNPs) were introduced into the poly(vinylidene fluoride) (PVDF)/GNP and PVDF/CNT composites, respectively, to prepare the corresponding ternary PVDFICNT/GNP and PVDF/GNP/CNT composites. The results demonstrated that adding CNTs into the PVDF/GNP composites greatly promoted the formation of the hybrid network structure of fillers. This was much different from the scenario that adding GNPs into the PVDF/CNT composites. GNPs and CNTs exhibited excellent nucleation effects for the crystallization of PVDF matrix; however, the variation of the PVDF crystallinity was small. Adding CNTs into the PVDF/GNP composites greatly enhanced the electrical conductivity of the PVDF/CNT/GNP composites. This was also different from the scenario of the PVDF/GNP/CNT composites. Furthermore, the PVDF/CNT/GNP composites exhibit higher thermal conductivity and higher synergistic efficiency compared with the PVDF/GNP/CNT composites. The conductive mechanisms and the synergistic effects of the ternary composites were then analyzed. (C) 2016 Elsevier Ltd. All rights reserved.
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