ISSN 2288-2103 (Print)
ISSN 2288-2111 (Online)
 
 
 
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The Journal of the Korean Society for Composite Materials. 2019 32(1): 71-77
ⓒ The Journal of the Korean Society for Composite Materials
    
 
Study on Rheological Characterization of Polyacrylonitrile/Dimethyl Sulfoxide Solution with Change of Storage Times and Temperatures
Jae-Yeon Yang, Byoung-Min Lee, Yun-Su Kuk, Byoung-Suhk Kim, Min-Kang Seo
Department of Organic Materials and Fiber Engineering, Chonbuk National University,Korea Institute of Carbon Convergence Technology
 
 
 
시간 및 온도변화에 따른 폴리아크릴로니트릴/디메틸술폭시드 중합체 용액의 유변학적 특성 연구
양재연, 이병민, 국윤수, 김병석, 서민강
Department of Organic Materials and Fiber Engineering, Chonbuk National University,Korea Institute of Carbon Convergence Technology
 

In this study, the structural and rheological characterizations of polyacrylonitrile(PAN)/dimethyl sulfoxide(DMSO) solutions for PAN fiber were investigated according to the change of storage times and temperatures. As a result, PAN/DMSO solutions exhibited a very characteristic rheological behavior with variation of temperature. The solutions showed an increase of complex viscosity and a decrease of loss tangent(tanδ) as temperature was increased over the temperature range of 40 and 70oC and it could be seen that the viscosity rapidly increased at low frequency. These results indicated that the gel polymer and denser gel structure were formed due to the intermolecular hydrogen bonding of water in the polymer solution depending on the storage time.
 
Key words : Polyacrylonitrile, Dimethyl sulfoxide, Gel polymer, Rheological characterization
중심단어 : 폴리아크릴로니트릴, 디메틸술폭시드, 겔 고분자, 유변학적 특성
 
Address for reprints : Byoung-Suhk Kim, Min-Kang Seo, Department of Organic Materials and Fiber Engineering, Chonbuk National University,Korea Institute of Carbon Convergence Technology
Tel : ,    Fax : ,    E-mail : kbsuhk@jbnu.ac.kr,seomk721@kctech.re.kr
 
 
 
 
  
 
 
 

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