Fabrication of Rapid Cure Carbon Nanotube/Ramie Fiber/Epoxy Resin Composites and Their Properties
ZHANG Kaomin1,2, XIE Tao2, ZHAO Yan1, DONG Xiang1, LI Ruyan1
1 National Engineering Research Center of Waste Resource Recovery, Kunming University of Science and Technology, Kunming 650093; 2 College of Aviation, Kunming University of Science and Technology, Kunming 650500
Abstract: In order to improve the mechanical property of plant fiber/resin matrix composites, carbon nanotube/absolute ethanol solution was fabricated, and multiscale fabric of carbon nanotube/ramie fiber was fabricated utilizing a pre-impregnation process. Based on a rapid cure epoxy resin, carbon nanotube/ramie fiber/epoxy resin composites (PRFC) was fabricated by vacuum assisted resin infusion molding process. The results showed that the flexural strength and impact strength of PRFC were improved 14.7% and 20.9%, respectively, compared to the composites without carbon nanotube (RFC). Compared to the composites (MRFC) that fabricated by the epoxy resin mixing with carbon nanotube directly, the improvement of mechanical properties of PRFC was more remar-kable. In addition, the water absorption rate of PRFC was obviously lower than those of MRFC and RFC.
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2018, Vol. 32 
