Synergy effects of graphene and multiwalled carbon nanotubes hybrid system on properties of epoxy nanocomposites

被引：63
作者：
Ghaleb, Z. A. [1 ]
Mariatti, M. [1 ]
Ariff, Z. M. [1 ]
机构：
[1] Univ Sains Malaysia, Sch Mat & Mineral Resources Engn, Engn Campus, Nibong Tebal 14300, Penang, Malaysia
来源：
JOURNAL OF REINFORCED PLASTICS AND COMPOSITES | 2017年 / 36卷 / 09期
关键词：
Graphene; carbon nanotube; hybrid; tensile properties; electrical conductivity; MECHANICAL-PROPERTIES; ELECTRICAL-CONDUCTIVITY; ELECTRONIC APPLICATIONS; COMPOSITES; DISPERSION; SONICATION; RESIN;
D O I：
10.1177/0731684417692055
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Tensile and electrical properties of graphene nanopowder (GNP) and multiwalled carbon nanotubes (MWCNT) filled epoxy thin film nanocomposites were investigated. In addition, synergy effects of various mixture ratios of GNP-MWCNT hybrids on the properties of the epoxy thin film nanocomposites were evaluated. It was found that the addition of GNPs or MWCNTs decreased the tensile properties compared to that of unfilled epoxy. The electrical percolation threshold of MWCNT/epoxy was found to be 0.8vol%. Addition of only 0.1vol% GNPs results in significant improvement in the electrical properties of the composites. Enhanced tensile and electrical properties in the GNP-MWCNT/epoxy hybrid were achieved with GNP-MWCNT ratio of 0.1:0.4. Morphological analysis confirmed the uniform dispersion of both GNPs and MWCNTs within the epoxy matrix. For the hybrid GNP-MWCNT filler system (i.e., with the 0.1:0.4 ratio), MWCNTs were seen to align themselves on the GNPs surfaces creating an interconnected strong nanofiller network in the epoxy.
引用
收藏
页码：685 / 695
页数：11
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