期刊
CARBON LETTERS
卷 16, 期 1, 页码 62-66出版社
SPRINGER JAPAN KK
DOI: 10.5714/CL.2015.16.1.062
关键词
carbon fiber; sulfuric acid; cross-linking; polyolefin; carbon fiber precursor
资金
- Carbon Valley R&D Project - Ministry of Trade, Industry & Energy (MOTIE), Republic of Korea [R0003404, A007700147]
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 (170 degrees C). 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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