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Physical Properties and Electrical Conductivity of PAN-based Carbon Fiber Reinforced Paper  

Jang, Joon (Department of Chemical Engineering, Chungnam National University)
Lee, Chang-Ho (Department of Chemical Engineering, Chungnam National University)
Park, Kwan-Ho (Department of Chemical Engineering, Chungnam National University)
Ryu, Seung-Kon (Department of Chemical Engineering, Chungnam National University)
Publication Information
Korean Chemical Engineering Research / v.44, no.6, 2006 , pp. 602-608 More about this Journal
Abstract
Carbon fiber (CF) reinforced papers using polyacrylonitrile (PAN) based CF and wood pulp were prepared by varying the lengths and the concentrations of CF, and the basis weight of paper to investigate adhesive state between CF and pulp, and physical properties and electrical conductivity of the paper. The reinforcement was caused by physical entanglement and adhesion at the interface of the different fibers rather than by chemical bonds. The tear strength and the thickness of the paper increased as increasing the concentration of CF, while the tensile and the burst strength of the paper decreased. The improved dispersion of CF in the paper was obtained from mixing shorter CF, but the maximum electrical conductivity of the paper was gained from mixing 10 mm chopped CF. The electrical conductivity of the paper increased sharply from 2 wt％ to 8 wt％ of CF showing S-curve, and increased linearly as increasing the basis weight of the paper. Therefore, in order to improve the electrical conductivity and the physical property of the paper, the increase of basis weight of the paper is also important as the increase of CF content in the paper.
Keywords
PAN-based Carbon Fiber; Reinforced Paper; Physical Property; Electrical Conductivity;
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