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  • 09월 06일 11시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제112회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Micellar structures of amphiphilic block copolymers in the selective solvents

등록일
2013년 9월 6일 11시 48분 17초
접수번호
1463
발표코드
POLY1-4 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
목 15시 : 40분
발표형식
심포지엄
발표분야
고분자화학 - Recent Trends in Characterization of Polymers
저자 및
공동저자
박수영
경북대학교 고분자공학과, Korea
Micellar structures of amphiphilic block copolymers in the selective solvents were studied using small angle X-ray and neutron scatterings and generalized indirect Fourier transformation (GIFT) method. Vesicular, cylindrical, and spherical micelles were controlled by the composition of the block copolymer and the solvent selectivity. The systematic screen of the solvent selectivity was performed by changing the mixing ratio of the two selective solvents and the solvent temperature. As the selectivity of solvent increased, the shape of the micelle was changed from sphere, to cylinder, and finally to vesicle. The mixing ratio and the temperature of solution could be parameterized into a Flory interaction parameter, c. The discontinuous change of the solvent selectivity during heating was demonstrated at Tni with PS-b-LCP and nematic liquid crystal solvent, 5CB.

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