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Fibers and polymers v.6 no.2, 2005년, pp.95 - 102  

Preparation of Regenerated Cellulose Fiber via Carbonation (II) - Spinning and Characterization -

Oh Sang Youn    (Department of Textile Engineering, Chonnam National University   ); Yoo Dong Il    (Department of Textile Engineering, Chonnam National University   ); Shin Younsook    (Department of Textile Engineering, Chonbuk National University   ); Kim Hak Yong    (Department of Textile Engineering, Chonbuk National University   ); Kim Hwan Chul    (Department of Textile Engineering, Chonbuk National University   ); Chung Yong Sik    (Department of Textile Engineering, Chonbuk National University   ); Park Won Ho    (Department of Textile Engineering, Chungnam National University   ); Youk Ji Ho    (Department of Textile Engineering, Inha University  );
  • 초록

    Sodium cellulose carbonate (CC-Na) dissolved in $8.5\;wt\%$ NaOH/ZnO (100/2-3, w/w) aqueous solution was spun into some acidic coagulant systems. Diameter of regenerated cellulose fibers obtained was in the range of $15-50\;{\mu}m$ . Serrated or circular cross sectional views were obtained by controlling salt concentration or acidity in the acid/salt/water coagulant systems. Velocity ratio of take-up to spinning was controlled up to 4/1 with increasing spinning velocity from 5 to 40 m/min. Skin structure of was developed at lower acidity or higher concentration of coagulants. Fineness, tenacity and elongation of the regenerated cellulose fibers were in the range of 1.5-27 denier, 1.2-2.2 g/d, and $8-11.3\;\%$ , respectively. All of CC-Na and cellulose fibers spun from CC-Na exhibited cellulose II crystalline structure. Crystallinity index was increased with increasing take-up speed.


  • 주제어

    Sodium cellulose carbonate (CC-Na) .   Regenerated cellulose fiber .   NaOH/ZnO solution .   Wet spinning .   Tensile property .   Crystalline structure.  

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