Dipolar Motions in Two Side-Chain Liquid-Crystalline Polysiloxanes Studied by the TSDC Technique
作者:
JoãoF. L. Mano,
NatáliaT. Correia,
JoaquimJ. Moura Ramos,
期刊:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
(Taylor Available online 1995)
卷期:
Volume 261,
issue 1
页码: 567-575
ISSN:1058-725X
年代: 1995
DOI:10.1080/10587259508033498
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
In the present work, the technique of Thermally Stimulated Depolarisation Currents (TSDC) was used to study the dipolar relaxation mechanisms in two side-chain liquid crystalline polysiloxanes. The studied polymers differ significantly in the structure of the mesogenic side groups and this is at the origin of different features of the corresponding TSDC spectra. It is shown that the TSDC technique is able to separate the motions of the longitudinal (μ‖) and of the transverse (μ⊥) dipole moment components of the mesogenic side groups in the liquid crystalline phase.
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