Study of novel carbon fiber composite used exfoliated carbon fibers
作者： Masahiro Toyoda , Ryotaro Kohara , Tomoki Tsumura , Hiroyuki Mutoh , Mototsugu Sakai
DOI: 10.1016/J.MSEB.2009.01.025
关键词: Fiber-reinforced composite 、 Materials science 、 Carbon nanotube 、 Composite material 、 Polymerization 、 Nanometre 、 Polymer 、 Fabrication 、 Composite number 、 Flexural strength
摘要: Abstract One of the applications for carbon nanotubes (CNTs), CNT composite has been studied to reinforce polymer. However, CNTs have not shown enough reinforced effect, because poor dispersibility itself and low purification. These characteristics are connected with lowering mechanical strength in CNT's polymer composite. On other hand, exfoliated fibers (ExCFs) prepared through electrochemical processing were found unique morphology such as nanometer or sub-micrometer sized fibrils well dispersibility. Fabrication using its ExCFs was investigated. changed nanometer-sized by ultrasonication dispersed compounded polymethyl methacrylate (PMMA) situ process polymerization, then their properties examined. Flexural elasticity PMMA increased 166 171% respectively at addition only 2.0 wt.% comparison bulk PMMA. There no significant aggregation fracture surface, homogeneous dispersion throughout matrix recognized. It better than that CNTs. Homogeneous might be strongly related properties. expected applied nano-composite instead
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