| 학회 | 한국고분자학회 |
| 학술대회 | 2004년 가을 (10/08 ~ 10/09, 경북대학교) |
| 권호 | 29권 2호, p.616 |
| 발표분야 | 기능성 고분자 |
| 제목 | Transmission Mode Holographic PDLC Based on Partially Fluorinated Polymer Matrix |
| 초록 | To minimize driving voltage in holographic polymer dispersed liquid crystal(HPDLC) various amounts of 2-[perfluoroalkyl]ethyl methacrylate(PFEMA) have been added to the conventional polyurethane acrylate(PUA) system with a composition of urethane acrylate oligomer(oligomer)/ dipentaerythritol hexa-/penta acrylate(DPHPA)/N-vinyl pyrrollidone(NVP)=4/3/31. Morphology of the gratings was analyzed by scanning electron microscopy(SEM) and atomic force microscopy(AFM), and the elasticity of films by dynamic mechanical thermal analysis(DMTA). It was founded that HPDLC based on partially fluorinated polymer matrix showed low driving voltage compared with conventional PUA system. Such HPDLC also showed good grating formation and high diffraction efficiency2. Table 1. Formulation to prepare HPDLC Fig. 1. Diffraction efficiency vs. PFEMA Fig. 2. Diffraction efficiency vs. voltage. content. 참고문헌 1. M. D. Schulte, S. J. Clarson, L. V. Natarajan, D. W. Tomlin, and T. J. Bunning, Mol. Cryst. and Liq. Cryst., 373, 155 (2002) 2. M. D. Sarkar, J. Qi, and G. P. Crawford, Polymer, 43, 7335 (2002) |
| 저자 | 김은희, 우주연, 김병규 |
| 소속 | 부산대 |
| 키워드 | HPDLC; polyurethane acrylate(PUA) |
