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http://dx.doi.org/10.7234/composres.2021.34.1.023

Study of Stabilization Process of PAN Precursor and its Characteristics Change by Plasma Treatment  

Kang, Hyo-Kyoung (Korea Institute of Industrial Technology)
Kim, Jung-Yeon (Korea Institute of Industrial Technology)
Kim, Hak-Yong (Department of Organic Materials and Fiber Engineering, Jeonbuk National University)
Choi, Yeong-Og (Korea Institute of Industrial Technology)
Publication Information
Composites Research / v.34, no.1, 2021 , pp. 23-29 More about this Journal
Abstract
Commercialized carbon fiber obtained from polyacrylonitrile(PAN) precursor is subjected to oxidation stabilization at 180 to 300℃ in air atmosphere and carbonization process at 1600℃ or lower in inert gas atmosphere. Both of these processes use a lot of time and high energy, but are essential and important for producing high-performance carbon fibers. Therefore, in recent years, an alternative stabilization technology by being assisted with various other energy sources such as plasma, electron beam and microwave which can shorten the process time and lower energy consumption has been studied. In this study, the PAN precursor was stabilized by using plasma treatment and heat treatment continuously. The morphology, structural changes, thermal and physical properties were analyzed using Field emission scanning electron microscopy(FE-SEM), X-ray diffraction(XRD), Fourier transform infrared(FT-IR), Thermogravimetric analysis(TGA) and Favimat.
Keywords
Carbon fiber; Polyacrylonitrile; Plasma treatment; Tensile strength; Stabilization;
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