화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of the Korean Industrial and Engineering Chemistry, Vol.13, No.8, 745-749, December, 2002
Export Citation
제올라이트를 이용한 Polyacrylonitrile의 합성
Preparation of Polyacrylonitrile Using Zeolite
황덕근, 정경택, 설용건†
  • 연세대학교 화학공학과, 서울 120-740
Duck Kun Hwang, Kyong Teak Jung, and Yong Gun Shul†
  • Department of Chemiccal Engineering, Yonsei University, Seoul 120-740, Korea
E-mail:
초록
제올라이트를 이용하여 polyacrylonitrile (PAN)을 합성하였다. 단량체인 acrylonitrile를 탈수화시킨 Na-Y와 Na-β 제올라이트에 흡착시킨 후에 라디칼 중합을 실시하였다. 제올라이트 기공 구조 안에서 중합된 PAN은 hydrofluoric acid를 사용하여 추출하였다. 제올라이트를 이용하여 합성된 PAN은 용액중합을 통해서 합성된 PAN에 비해서 결정화도와 이소탁틱 입체 규칙성이 증가된 것을 X선회절과 핵자기공명분석을 이용하여 확인하였다. 추출된 PAN의 열적 물리적 특성은 시차주사열량계와 겔투과크로마토그라피를 이용하여 확인하였다.
Polyacrylonitrile (PAN) has been prepared by using a zeolite as a host. After introduction of acrylonitrile monomer, they were polymerized with a radical initiator in Na-Y and Na-β zeolite channels, followed by extraction with hydrofluoric acid. X-ray diffraction and 13C nuclear magnetic resonance results showed that the crystallinity and isotaciticity of extracted PAN was higher than those of bulk PAN prepared under the solution polymerization. Thermal and physical properties of extracted PAN were also investigated using differential scanning calorimeter and gel permeation chromatography.
Keywords:isotacticity;PAN (polyacrylonitrile);zeolite;crystallinity
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