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Preparation and thermal properties of polyethylene-based carbonized fibers

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2015, 16(1), pp.62~66
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General

Kwan-Woo Kim 1,  Hye‑Min Lee 1,  Byoung-Suhk Kim 2,  황선환 3,  Lee Ku Kwac ORD ID 4,  Kay‑Hyeok An 1,  Byung‑Joo Kim ORD ID 1

1(재) 한국탄소융합기술원
2전북대학교
3LG chemical
4전주대학교

Accredited

ABSTRACT

In this study, carbonized fibers were prepared by using acidically cross-linked LDPE fibers. The surface morphologies of the carbonized fibers were observed by SEM. The effects of cross-linking process temperatures were studied using thermal analyses such as DSC and TGA. The melting and heating enthalpy of the fibers decreased as the cross-linking temperature increased. The cross-linked fibers had a carbonization yield of over 50%. From SEM results the highest yield of carbonized LDPE-based fibers was obtained by cross-linking at a sulfate temperature (170oC). As a result, carbonation yield of the carbonized fibers was found to depend on the functions of the cross-linking ratio of the LDPE precursors.

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