Phase transition studies of liquid-crystalline polyester by dielectric relaxation spectroscopy

Maria Mucha

doi:10.1117/12.156944

15 October 1993 Phase transition studies of liquid-crystalline polyester by dielectric relaxation spectroscopy

Maria Mucha

Proceedings Volume 1845, Liquid and Solid State Crystals: Physics, Technology and Applications; (1993) https://doi.org/10.1117/12.156944
Event: Liquid and Solid State Crystals: Physics, Technology, and Applications, 1992, Zakopane, Poland

Abstract

Dielectric measurements of liquid crystalline polyester were made using a Du Pont Dielectric Analyser over the frequency 0.03 to 100,000 Hz and over temperature -100 to 160 degree(s)C ranging from (gamma) transition region up to isotropic fluid, upon heating. Dielectric relaxation process (gamma) , (beta) , (alpha) and (delta) were observed and analyzed. Apparent activation energies of the processes were calculated.

Citation Download Citation

Maria Mucha "Phase transition studies of liquid-crystalline polyester by dielectric relaxation spectroscopy", Proc. SPIE 1845, Liquid and Solid State Crystals: Physics, Technology and Applications, (15 October 1993); https://doi.org/10.1117/12.156944

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