The First Demonstration of Orientational Order in a Rigid Backbone Liquid Crystalline Polymer Using Deuterium NMR Spectroscopy

被引：2

作者：

Fahie, B. J. ^{[1
]}

Fyfe, C. A. ^{[1
]}

Facey, G. A. ^{[1
]}

Muehlebach, A. ^{[2
]}

Niessner, N. ^{[2
]}

Economy, J. ^{[2
]}

Lyerla, J. K. ^{[2
]}

机构：

[1] Univ British Columbia, Dept Chem, Vancouver, BC, Canada

[2] IBM Res Div, Almaden Res Lab, San Jose, CA 95120 USA

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1991年 / 203卷

关键词：

rigid backbone LCP; deuterium NMR; orientational order; copolyesters;

D O I：

10.1080/00268949108046052

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The temperature dependence/phase behavior of the rigid main-chain copolyester (1:1) of 4-hydroxybenzoic acid and 6-hydroxy-2-naphthoic acid has been monitored using very high temperature deuterium NMR (H-2 NMR). The results of this investigation indicate that H-2 NMR is able to provide, for the first time, conclusive evidence of the ability of these systems to efficiently orient in the presence of an external magnetic field.

引用

页码：127 / 135

页数：9

共 5 条

[1] Liquid Crystalline Samples: Orientational Order of Small Rigid Solutes in Nematic Mesophases
Celebre, Giorgio
De Luca, Giuseppina
Longeri, Marcello
EMAGRES, 2013, 2 (03): : 335 - 350
[2] Characterization of a main-chain semiflexible liquid crystalline polymer: Degree of orientational order
Arrighi, V
Higgins, JS
Abis, L
Weiss, RA
POLYMER, 1996, 37 (01) : 141 - 148
[3] Conformational Properties and Orientational Order of a de Vries Liquid Crystal Investigated through NMR Spectroscopy
Domenici, Valentina
Lelli, Moreno
Cifelli, Mario
Hamplova, Vera
Marchetti, Alessandro
Veracini, Carlo Alberto
CHEMPHYSCHEM, 2014, 15 (07) : 1485 - 1495
[4] 2H NMR spectroscopy of liquid crystals:: Structure and orientational order of a chiral smectogen as a model compound of side-group LC polymers
Catalano, D
Chiezzi, L
Domenici, V
Geppi, M
Veracini, CA
Dong, RY
Csorba, KF
MACROMOLECULAR CHEMISTRY AND PHYSICS, 2002, 203 (10-11) : 1594 - 1601
[5] Twist-bend nematic phase of the liquid crystal dimer CB7CB: orientational order and conical angle determined by 129Xe and 2H NMR spectroscopy
Jokisaari, Jukka P.
Luckhurst, Geoffrey R.
Timimi, Bakir A.
Zhu, Jianfeng
Zimmermann, Herbert
LIQUID CRYSTALS, 2015, 42 (5-6) : 708 - 721

← 1 →