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Chemcial Industry and Engineering 2008, Vol. 25 Issue (6) :543-547    DOI:
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Solvent Diffusion of PAN-Based Carbon Fiber Precursor in Dry-Jet Wet-Spinning Process
WANG Yue,WU Cheng-xun(State Key Lab for Modification of Polymeric Fibers and Materials,Donghua University,Shanghai 201620,China)
(State Key Lab for Modification of Polymeric Fibers and Materials,Donghua University,Shanghai 201620,China

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Abstract PAN-based carbon fibers have some excellent properties,such as high strength,high modulus,heat-resistance and anti-erosion,etc.,and it has been widely used in the fields of shipbuilding,chemical and engineering industries ect.It is very important for PAN-based carbon fiber precursor that solvent diffuses from spinning solution to coagulation bath in dry-jet wet-spinning process.In this paper,according to Fick's laws,a mathematical model of solvent diffusion in dryjet wet-spinning process was established,and equations which can describe the solvent concentration distribution were derived.Several effects on solvent concentration distribution were also discussed.
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Received 2008-11-15; published 2008-11-15
Cite this article:   
WANG Yue,WU Cheng-xun.Solvent Diffusion of PAN-Based Carbon Fiber Precursor in Dry-Jet Wet-Spinning Process[J]  Chemcial Industry and Engineering, 2008,V25(6): 543-547
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