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

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2002, 14(2), pp.33-39
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

신익기 1 Lee Shin hee 2 Park,Soo-Min 1

1부산대학교
2경북대학교

Candidate

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.

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