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  • 09월 06일 15시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제112회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Development of New pH and electroresponsive chitosan based semi-interpenetrated polymer network gels

등록일
2013년 9월 5일 16시 52분 33초
접수번호
1444
발표코드
ANAL.P-537 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 16일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
분석화학
저자 및
공동저자
김민경, A.Gopalan1, 이광필2,*
경북대학교 화학과, Korea
1경북대학교 차세대에너지기술연구소, Korea
2경북대학교 화학교육과, Korea
We prepared the new semi-interpenetrated polymer network (semi-IPN) gels from chitosan (CS), carbon nanotube (CNT), Polyaniline (PANI) and poly (acrylic acid) (designated as CNT-CS-PAA semi-IPN gel) and characterized by fourier transform infrared, X-ray diffraction , field emission scanning electron microscopy and differential scanning calorimetry measurements. For comparison, we also prepared the CS-PAA and CS-PAA-PANI gels CNT-CS-PAA semi-IPN gels were prepared through the two step processes. In the first step, CNT-CS-PAA semi-IPN gel was prepared by the free radical grafting and cross-linking reactions among CNT, CS and PAA. In the second step, PANI was distributed into the IPN gel via impregnation of aniline monomer and oxidative polymerization. Since CS is both a biocompatible polymer with natural origin and PAA is a pH responsive polymer and PANI is an electroactive polymer, the electric field responsive polymer as CNT-CS-PAA-PANI semi IPN gels exhibited multi responsive properties. The effect of crosslinked PAA content on the swelling, thermal and electrical properties. The effect of crosslinked PAA content on the swelling, thermal and electrical properties of CNT-CS-PAA-PANI semi IPN gels has been explained by comparing the properties CS-PAA and CS-PAA-PANI gels.

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