화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2010년 봄 (04/08 ~ 04/09, 대전컨벤션센터)
권호 35권 1호
발표분야 기능성 고분자
제목 Effects of Different Types of Graphite on HPDLC
초록 The morphology and elecro-optical performance of holographic polymer dispersed liquid crystals (HPDLC) were investigated with the addition of different types of graphite to the formulations of conventional polyurethane acrylate based HPDLC. Regardless of graphite type, the driving voltage and rising time of the films decreased with the addition and increasing amounts of graphite due to the increased effective local electric field across the liquid crystal (LC) droplet. HPDLC with graphite particles augmented the conductivity of polymer phase and hence the local electrical field imposed on LC droplet, which overcomes the threshold for driving and reduced operating voltage and response time. Effect was more pronounced with graphene due to higher conductivity of graphene.
저자 장민우, 김병규
소속 부산대
키워드 HPDLC; graphite; electro-optical performance
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