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.

• Kwan-Woo Kim(R&D Division Korea Institute of Carbon Convergence Technology, Department of Organic Materials & Fiber Engineering Chonbuk National University)
• Hye-min Lee(R&D Division Korea Institute of Carbon Convergence Technology)
• Byoung Suhk Kim(Department of Organic Materials & Fiber Engineering Chonbuk National University)
• Seon-Hwan Hwang(LG chemical)
• Lee-Ku Kwac(Department of Carbon Fusion Engineering, Jeonju University)
• Kay-Hyeok An(R&D Division Korea Institute of Carbon Convergence Technology)
• Byung-Joo Kim(R&D Division Korea Institute of Carbon Convergence Technology) Corresponding author