Viscosity measurements of nematic–polymer liquid crystal mixtures by light scattering
作者:
R.G. Humphreys,
H.A. Tarry,
M.J. Bradshaw,
期刊:
Liquid Crystals
(Taylor Available online 1988)
卷期:
Volume 3,
issue 8
页码: 1039-1046
ISSN:0267-8292
年代: 1988
DOI:10.1080/02678298808086560
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
It is shown that the fluctuations in the intensity of light transmitted by planar aligned nematic liquids between polarizers is determined by the rotational viscosity alone at sufficiently high frequency. The technique is applied to the determination of the viscosity of polymer liquid crystal mixtures. The most viscous mixture which was successfully aligned (60 per cent polymer) has a viscosity 230 times larger than the cyanobiphenyl monomers.
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