以紫外光聚合的聚氨酯丙烯酸酯(PUA)为基体,通过紫外光聚合诱导相分离法制备了不同液晶含量、不同引发剂含量的聚合物分散液晶(PDLC)薄膜.使用改装的紫外分光光度计和超景深显微镜研究了不同液晶含量、不同引发剂含量对PDLC薄膜的电光性能和微观形貌的影响.研究表明,随着液晶含量的增加,PUA基的PDLC的液晶微滴尺寸变大,电光性能变好;随着引发剂含量的增加,PUA基的PDLC液晶微滴变小,Ton增加.
参考文献
| [1] | Doane J W.Liquid Crystals Applications and Uses[M].Singapore:World Scientific Press,1990:15-20. |
| [2] | Ding J,Yang Y.Small angle light scattering from axial nematic droplets[J].Mol.Cryst.Liq.Cryst.,1994,238 (2):47-60. |
| [3] | Miyamoto A,Kikuchi H,Morimura Y,et al.Light scattering-light transmission switching of self-supported liquid crystalline films[J].New Polym.Mater.,1990,2(1):27-40. |
| [4] | Drzaic P S.Reorientation dynamics of polymer dispersed nematic liquid crystal films[J].Liq.Cryst.,1988,3 (1):1543-1549. |
| [5] | 窦艳丽,张万喜,秦创业,等.聚合物分散液晶膜[J].化学进展,2006,19(9):1400-1405. |
| [6] | 范志新,刘洋,杨磊,等.聚合物分散液晶的电场诱导定向聚合实验研究[J].液晶与显示,2012,27(4):434-438. |
| [7] | 邵磊山,李静静,杜鑫,等.大分子引发剂的分子量对聚合物分散液晶的微观形貌影响[J].液晶与显示,2012,27(6):736-741. |
| [8] | Mucha M.Polymer as an important component of blends and composites with liquid crystals[J].Prog.Polymer Sci.,2003,28(5):837-873. |
| [9] | Raina Kumar P,Curr K K.Morphological and electro-optical responses of dichroic polymer dispersed liquid crystal films[J].Appl.Phys.,2007,7(6):636-642. |
| [10] | Yan B,He J,Fang Y,et al.The effect of the resultant microphase-separated structures of polymer matrices on the electro-optical properties of polymer dispersed liquid crystal films by Iniferter polymerization[J].Eur.Polym.J.,2009,45 (7):1936-1940. |
| [11] | Li W,Cao H,Kashima M,et al.Control of the microstructure of polymer network and effects of the microstructures on light scattering properties of UV-cured polymer-dispersed liquid crystal films[J].J.Polym.Sci.Part B:Polym.Phys.,2008,46(19):2090-2099. |
| [12] | Ferrari J A,Dalchiele E A,Frins E M,et al.Effect of size polydispersity in polymer-dispersed liquid-crystal films[J].J.Appl.Phys.,2008,103(8):084505(1-4). |
| [13] | Yan B,He J,Bao R,et al.Modification of electro-optical properties of polymer dispersed liquid crystal films by iniferter polymerization[J].Euro.Polym.J.,2008,44(3):952-958. |
| [14] | Ono H.Kawasaki N.Electrochemical devices incorporating high-conductivity conjugated polymers[J].Polym.Bull.,1995,35(3):365-370. |
| [15] | Du X,Yan B,Li M,et al.Macro reversible addition-fragmentation chain transfer agent mixture as a means to enhance the electro-optical performance of polymer-dispersed liquid crystals[J].Polym Int.,2011,60(7):971-975. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%