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Dielectric Relaxation in a Mixture of a Side Chain Liquid Crystalline Polymer and a Low Molecular Mass Azo Dye

 

作者: E. Jakob,   E. Wolarz,   E. Bialecka-Florjańczyk,   D. Bauman,   W. Haase,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 1995）
卷期: Volume 258, issue 1  

页码: 253-261

 

ISSN:1058-725X

 

年代: 1995

 

DOI:10.1080/10587259508034565

 

出版商: Taylor & Francis Group

 

关键词: Dielectric relaxation spectroscopy;Azo dye;liquid crystalline polysiloxane;molecular dynamics in mixture;order parameter.

 

数据来源: Taylor

 

摘要:

Dielectric measurements on a mixture of a liquid crystalline polysiloxane and a low molecular mass dye as well on the pure polymer have been carried out in the frequency range from 100 Hz to 13 MHz. Three relaxation regimes have been found for the polymer-dye mixture. The shift of relaxation frequencies in the isotropic and nematic phases of the pure polymer was used to calculate the macroscopic order parameter (P2.

 

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