Simple Method for Fabrication of Azobenzene-Containing Crosslinked Liquid-Crystalline Polymer Films with Bilayer Structure
Simple Method for Fabrication of Azobenzene-Containing Crosslinked Liquid-Crystalline Polymer Films with Bilayer Structure
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DOI：
10.1166/sam.2014.1834
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发表时间：
2014-07
影响因子：
0.9
通讯作者：
R. Tatsumi;J. Mamiya;Motoi Kinoshita;A. Shishido
中科院分区：
文献类型：
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作者：
R. Tatsumi;J. Mamiya;Motoi Kinoshita;A. Shishido
本文报道了一种不需要特殊设备，通过两步光聚合制备双层光致变色材料的简单方法。通过使用经过取向处理的普通玻璃盒，我们可以控制厚度和分子取向。在本报告中，我们制备了三种含偶氮苯的交联液晶聚合物（CLCP）膜：单层含偶氮苯的CLCP膜（1），双层含偶氮苯的CLCP膜（1层和一个额外的CLCP层（2），和双层交联偶氮苯聚合物膜（1层和一个多孔结构层（2 p）。比较了1、2和2 p的光致形变和光响应。简单制造的双层膜（2）显示出高耐久性;即使在高强度的5小时UV照射后也没有观察到疲劳开裂或分层。
We report a simple method for fabrication of bilayer photomobile materials by two-step photopolymerization without particular equipment. By using a normal glass cell with alignment treatment, we can control the thickness and molecular alignment. In this report, we prepared three azobenzene-containing crosslinked liquid-crystalline polymer (CLCP) films; single layer azobenzene-containing CLCP film (1), bilayer azobenzene-containing CLCP film with a layer of 1 and an additional CLCP layer (2), and a bilayer crosslinked azobenzene polymer film with a layer of 1 and a porous structure layer (2p). The photodeformation and photoresponse of 1, 2 and 2p was compared. The simply fabricated bilayer film (2) showed high durability; neither fatigue cracking nor delamination was observed even after 5-h UV irradiation at high intensity.