Molecular reorientation behavior of photocrosslinkable liquid-crystalline polymer films containing phenylamide side chains

被引：4

作者：

Kondo, Mizuho ^{[1
]}

Goto, Kohei ^{[1
]}

Dozono, Yoshiyuki ^{[1
]}

Kawatsuki, Nobuhiro ^{[1
]}

机构：

[1] Univ Hyogo, Grad Sch Engn, Dept Mat Sci & Chem, Himeji, Hyogo 6712280, Japan

来源：

REACTIVE & FUNCTIONAL POLYMERS | 2013年 / 73卷 / 11期

关键词：

Liquid-crystalline polymer; Photoalignment; Phenylamide; Photodimerization; Exposure energy; PHOTOINDUCED ORIENTATION; COPOLYMER; ALIGNMENT; PHOTOALIGNMENT; REARRANGEMENT; INPLANE;

D O I：

10.1016/j.reactfunctpolym.2013.08.006

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The cooperative molecular reorientation in methacrylate copolymer films comprising photoreactive 4-(4-methoxycinnamoyloxy)biphenyl and phenylamide in their side chains was investigated by irradiation with linearly polarized ultraviolet light and subsequent annealing. Both cinnamate and phenylamide side groups were miscible in the copolymer composition, and axis-selective photoreaction of the cinnamate groups was observed. Thermally enhanced cooperative in-plane orientation of both side groups was obtained when the irradiated films were annealed in the liquid-crystalline temperature range of the copolymers. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：1567 / 1572

页数：6

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