Synthesis of a hydroxylamino-modified silicone oil for use in a polyacrylonitrile oil emulsion in carbon fiber production

LI Jian-hua; JIANG Yan-bo; WANG Zhen-yu; GUO Jia-dong; JIA Hong-fei; GAO Ai-jun; LI Zhi-yao; TANG Jun; YANG Chun-cai

doi:10.19869/j.ncm.1007-8827.20190135

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Article Navigation > New Carbon Mater. > 2020 > 35(5): 585-590

LI Jian-hua, JIANG Yan-bo, WANG Zhen-yu, GUO Jia-dong, JIA Hong-fei, GAO Ai-jun, LI Zhi-yao, TANG Jun, YANG Chun-cai. Synthesis of a hydroxylamino-modified silicone oil for use in a polyacrylonitrile oil emulsion in carbon fiber production. New Carbon Mater., 2020, 35(5): 585-590. doi: 10.19869/j.ncm.1007-8827.20190135

Citation:

LI Jian-hua, JIANG Yan-bo, WANG Zhen-yu, GUO Jia-dong, JIA Hong-fei, GAO Ai-jun, LI Zhi-yao, TANG Jun, YANG Chun-cai. Synthesis of a hydroxylamino-modified silicone oil for use in a polyacrylonitrile oil emulsion in carbon fiber production. New Carbon Mater., 2020, 35(5): 585-590. doi: 10.19869/j.ncm.1007-8827.20190135

Citation:

LI Jian-hua, JIANG Yan-bo, WANG Zhen-yu, GUO Jia-dong, JIA Hong-fei, GAO Ai-jun, LI Zhi-yao, TANG Jun, YANG Chun-cai. Synthesis of a hydroxylamino-modified silicone oil for use in a polyacrylonitrile oil emulsion in carbon fiber production. New Carbon Mater., 2020, 35(5): 585-590. doi: 10.19869/j.ncm.1007-8827.20190135

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Synthesis of a hydroxylamino-modified silicone oil for use in a polyacrylonitrile oil emulsion in carbon fiber production

doi: 10.19869/j.ncm.1007-8827.20190135

1.
Research School of High Performance Fiber and Composite, Jilin Institute of Chemical Technology, Jilin 132022, China;
2.
Jilin Chemical Fiber Group Co., Ltd., Changchun 132022, China;
3.
College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China;
4.
Lianyungang Shenying Composite Technology Co., Ltd., Lianyungang 222002, China;
5.
College of Chemistry, Jilin University, Changchun 130012, China

Funds: Research Contract from Jilin Science and Technology Bureau (20163401).

Received Date: 2019-10-14
Rev Recd Date: 2019-12-13
Publish Date: 2020-10-28

Abstract

Abstract

In order to prepare a stable oil emulsion suitable for polyacrylonitrile (PAN) in carbon fiber production, a hydroxylamino-modified silicone oil (HA-PDMS) was synthesized by a three-step procedure and mixed with a commercial epoxy-modified silicone oil in water to prepare an oil emulsion of PAN (P-OE) in carbon fiber preparation. The structure of the intermediate products and P-OE were analyzed by FT-IR and 1H-NMR. The major properties of P-OE were investigated by a laser particle size analyzer, thermogravimetric analyzer and surface tension instrument and compared with those of the commercial one used in Japan (J-OE). The polyacrylonitrile solution in dimethyl acetamide was drawn by wet spinning and impregnated in P-OE and J-OE to obtain P-PAN and J-PAN, respectively, which were carbonized to obtain carbon fibers P-CF and J-CF. The Roder friction coefficient, hairiness and tensile strength of P-PAN, J-PAN, P-CF and J-CF were tested to compare the performance of the two kinds of oil emulsions for use in PAN-based carbon fiber production. Results show that the tensile strength of P-PAN is higher than that of J-PAN. Compared with J-CF, the tensile strength and tensile modulus of P-CF are higher and the hairiness is greatly reduced. P-OE is superior to J-OE for the use as an oil emulsion of PAN in production of PAN-based carbon fibers.
- Hydroxy amino modified silicone oil,
- Polyacrylonitrile-based carbon fiber precursor,
- Oil agent,
- Carbon fiber

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References(24)

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