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Volume Phase Transitions of Gels in Liquid Crystal Solvents

 

作者: Akihiko Matsuyama,   Rie Morii,   Tadaya Kato,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 1998）
卷期: Volume 312, issue 1  

页码: 117-126

 

ISSN:1058-725X

 

年代: 1998

 

DOI:10.1080/10587259808042435

 

出版商: Taylor & Francis Group

 

关键词: Swelling of gel;liquid crystal solvents;volume phase transitions;mean field theory

 

数据来源: Taylor

 

摘要:

A simple mean field theory is introduced to describe volume phase transitions of gels dissolved in a liquid crystal solvent. We predict that the gel shows the second-order volume phase transition at the nematic-isotropic transition temperatureT°NIof the pure liquid crystals existing outside of the gel. BelowT°NI, the gel is condensed due to the nematic ordering of the pure liquid crystals. We also find the first-order volume phase transition in the isotropic phase aboveT°NI.

 

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