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http://dx.doi.org/10.12925/jkocs.2010.27.4.17

Effect of propyl gallate on the properties of regenerated cellulose fiber spun from NMMO dope system  

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)
Publication Information
Journal of the Korean Applied Science and Technology / v.27, no.4, 2010 , pp. 508-514 More about this Journal
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
cellulose fiber; S-25R; V60; TR244; PG; NMMO;
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