Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Effect of Surface Chemical Modification with Cellulose Acetate on Properties of PAN Fiber

셀룰로오스 아세테이트로 표면화학개질된 PAN 섬유의 특성

  • Kim, Jin-U (Department. of Chemecal Technology, Changwon National University) ;
  • Lee, Sang-Min (Department. of Chemecal Technology, Changwon National University) ;
  • O, Yeong-Se (R & D Center, Hanil Synthetic Fiber, Co. Ltd.)
  • 김진우 (창원대학교 공업화학과) ;
  • 이상민 (창원대학교 공업화학과) ;
  • 오영세 (한일합섬(주) 기술연구소)
  • Published : 1997.06.01

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Abstract

The fibers containing primary amino groups were prepared by reacting PAN fiber with ethylene diamine (EDA). This aminated PAN fibers was finally modified with cellulose acetate (CA) in the presence of hexamethylene diisocyanate (HDI) as binder The amine content of PAN fibers was 0.012∼0.327 meq/g, and the maximum amice content of PAN fibers was obtained after 18 hrs of amination. The finally modified PAN fibers contained less than leyc of CA. The storage modulus of final PAN fiber in glassy state was decreased, but increased in rubbery state after modification. As EDA and CA was introduced Into PAN fibers, Tg's were slightly shifted to lower temperature. In the SEM micrographs the surface of aminated PAN fibers became coarse, but the surface of the final PAN fibers containing CA did smoother than that of original fiber. The modification enhanced the Young's modulus of PAN fiber. While the aminated PAN fiber showed stress-hardening behavior at large deformation, the final PAN fiber modified with CA did low yield behavior as well as thermoplastic deformation.

Keywords

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