Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Effect of propyl gallate on the properties of regenerated cellulose fiber spun from NMMO dope system

Propyl gallate가 NMMO계에서 제조된 셀룰로오스 섬유의 물성에 미치는 영향

  • Lee, Soo (Department of Chemical Engineering, Changwon National University) ;
  • Lee, Sang-Won (Department of Chemical Engineering, Changwon National University) ;
  • Lee, Hyang-Yeol (Department of Biotechnology, ChungJu National University)
  • 이수 (창원대학교 화공시스템공학과) ;
  • 이상원 (창원대학교 화공시스템공학과) ;
  • 이향렬 (충주대학교 보건생명대학 바이오산업학과)
  • Received : 2010.10.15
  • Accepted : 2010.12.09
  • Published : 2010.12.31
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Abstract

Regenerated cellulose fibers were prepared from three pulps containing different degree of polymerization(DP) and $\alpha$-cellulose contents by dry-jet wet spinning technique with cellulose dope in N-methylmorpholin N-oxide (NMMO). The effect of antioxidant, n-propyl gallate (PG) on the properties of different regenerated celluloses was studied using X-ray diffraction, copper number calculation, and viscometry. The degradaqtion of regenerated cellulose from pulp containing higher DP and lower $\alpha$-cellulose content was occurred more seriously. The tensile strength and initial modulus of regenerated cellulose fiber obtained from NMMO dope with PG were higher than those of fiber obtained from NMMO dope without PG. All fibers showed the round shape cross section and typical cellulose II crystalline structure.

Keywords

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