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A Study on Fiber Formation and Physical Properties of Polyacrylonitrile Copolymer with Itaconic acid  

Sin, Ik Gi (부산대학교)
Lee, Sin Hui (경북대학교)
Park, Su Min (부산대학교)
Publication Information
Textile Coloration and Finishing / v.14, no.2, 2002 , pp. 109-109 More about this Journal
Abstract
A study has been made of the dry-jet-wet spinning of PAN copolymer fibers using 60% aqueous zinc chloride solution as solvent and 25∼40% aqueous zinc chloride solution as non-solvent. The technological characteristics of this method were that small streams of dope were extruded from the die and allowed to pass through a short distance of air gap(about 10mm) before entering the spinning bath for full coagulation. This work showed the importances which coagulation condition, stretch ratio and fiber tenacity up to 10.5 g/d could be obtained with elongation of 11∼16%. Individual fibers were evaluated on the basis of density and mechanical properties such as tenacity and elongation etc.
Keywords
acrylonitrile; methyl acrylate; itaconic acid; dry-jet-wet; spinning;
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