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제118회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Stepwise switching of thermotropic glazing comprising multi-component copolymers of gradient monomer compositions

등록일
2016년 8월 31일 20시 48분 10초
접수번호
2293
발표코드
POLY.P-87 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 13일 (목요일) 11:00~12:30
발표형식
포스터
발표분야
고분자화학
저자 및
공동저자
이은수, 김도완, 윤진환*
동아대학교 화학과, Korea
Glazing for solar control is the most promising for energy efficient development. The switching mechanism of thermotropic glazing is dominated by the temperature-induced aggregation of the materials in the solvent above the lower critical solution temperature (LCST). An important constraining factor for the practical application of thermotropic glazing is the inability to control the transmittance in a stepwise manner on demand. To control the transmittance in a stepwise, LCST behavior of thermotropic polymers need to have wide temperature range. In this work, we have developed synthesis method to prepare multi-segmented copolymers that each segment having different compositions of the monomers. The obtained copolymer exhibits a volume phase transition over a wide temperature range, that is different from random or block copolymers. Solar control glazing was fabricated with multi-segmented copolymer, enabling stepwise solar control as well as visibility control.

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