A family of liquid crystalline polyarylenevinylenes

被引：31

作者：

Akagi, K ^{[1
]}

Oguma, J ^{[1
]}

Shibata, S ^{[1
]}

Toyoshima, R ^{[1
]}

Osaka, I ^{[1
]}

Shirakawa, H ^{[1
]}

机构：

[1] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki 3058573, Japan

来源：

SYNTHETIC METALS | 1999年 / 102卷 / 1-3期

关键词：

poly-para-phenylenevinylenes; polythienylenevinylenes; liquid crystallinity; anisotropy; dichroism; fluorescence;

D O I：

10.1016/S0379-6779(98)00754-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Side-chain liquid crystalline (LC) polyarylenevinylenes, poly-para-phenylenevinylenes (PPVs) and polythienylenevinylenes (PTVs), have been synthesized by introducing LC substituents into arylene units of main chains. Thermal Liquid crystallinities of the polymers were elucidated through measurements of polarizing optical microscope, differential scanning calorimeter and X-ray diffraction. Macroscopic alignments of the polymers were carried out through rubbing treatments under LC phases. The aligned polymer films showed an enhancement in electrical conductivity as well as electrical anisotropy. The aligned films also exhibited dichroism in fluorescence spectra, implying that they should be useful for novel linearly dichroic luminescent material.

引用

页码：1287 / 1288

页数：2

共 7 条

[1] Electrically conducting liquid crystalline polymers, mono-substituted polyacetylene derivatives
Akagi, K
Goto, H
Iino, K
Shirakawa, H
Isoya, J
[J]. MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1995, 267 : 277 - 282
[2] SYNTHESIS AND PROPERTIES OF LIQUID-CRYSTALLINE POLYACETYLENE DERIVATIVES
AKAGI, K
GOTO, H
KADOKURA, Y
SHIRAKAWA, H
OH, SY
ARAYA, K
[J]. SYNTHETIC METALS, 1995, 69 (1-3) : 13 - 16
[3] Akagi K., 1998, Journal of Photopolymer Science and Technology, V11, P249, DOI 10.2494/photopolymer.11.249
[4] OGUMA J, P ICSM 98
[5] SYNTHESIS AND PROPERTIES OF LIQUID-CRYSTALLINE POLYACETYLENES WITH A PHENYLCYCLOHEXYL MESOGENIC MOIETY IN THE SIDE-GROUP
OH, SY
AKAGI, K
SHIRAKAWA, H
ARAYA, K
[J]. MACROMOLECULES, 1993, 26 (23) : 6203 - 6206
[6] OSAKA I, P ICSM 98
[7] SYNTHESIS AND PROPERTIES OF POLYTHIOPHENE DERIVATIVES WITH LIQUID-CRYSTALLINE SUBSTITUENTS
TOYOSHIMA, R
NARITA, M
AKAGI, K
SHIRAKAWA, H
[J]. SYNTHETIC METALS, 1995, 69 (1-3) : 289 - 290

← 1 →