Fibers and Polymers

The Korean Fiber Society (한국섬유공학회)
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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)
  • Published : 2005.06.01
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Abstract

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.

Keywords

References

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