Journal Textile Coloration and Finishing Year / Vol., Issue, Month 2020 / V.32,no.2,Jun Title Preparation and Characterization of Lignin/Chlorinated Polyvinyl Chloride Blended Fibers for Low-cost Carbon Fiber Authors Chaehyun Jo, Sangoh Lee1, Dakyung Kang2, Seonghwa Hong3, Chankyu Kang4** and Jaewoong Lee* Institution/Affiliations Yeungnam University, 1Yeungnam University, 2Gyeongbuk Hybrid Technology Institute, 3Korea Textile Ma Pages/Total page pp.111 ~ 120 / 10 Language Korean Abstract Abstract In this study, lignin/chlorinated poly(vinyl chloride)(CPVC) blended fibers have been produced for the development of low-cost carbon fiber. Carbon fiber manufacturing was accomplished through stabilization and carbonization process. The lignin/CPVC blended fibers were prepared by wet spinning method. Dimethylacetamid e(DMAc) and cychlohexanone in a ratio of 5:1(wt%) was employed as co-solvent. The ratio of lignin/CPVC was prepared at 0/10, 1/9, 2/8, 3/7, 4/6, and 5/5(wt%). The spinning solution was extruded at a rate of 0.1 to 0.4ml/min according to the blending ratio. The speed of the rollers was the same for all ratios(draw ratio=1). Analysis of fiber cross-section by scanning eletron microscopy(SEM) showed that as the lignin ratio increased in the same coagulation bath and distilled water, the pore size of the spinning fiber decreased. Therefore, the highest tensile strength of the blending fibers was 6.3±1.2MPa at the 5/5 ratio. The carbon fiber also showed the best tensile strength of 120.78±2.43MPa at 5/5 ratio. Keywords Keywords carbon fiber, lignin, chlorinated polyvinyl chloride, low-cost, blending Download   Reference http://koreascience.or.kr/article/JAKO202020550932787.page