Volume Phase Transitions of Gels in Liquid Crystal Solvents

被引：12
|
作者：
Matsuyama, Akihiko [1 ]
Morii, Rie [1 ]
Kato, Tadaya [1 ]
机构：
[1] Mie Univ, Fac Engn, Dept Chem Mat, Tsu, Mie 514, Japan
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1998年 / 312卷
关键词：
Swelling of gel; liquid crystal solvents; volume phase transitions; mean field theory;
D O I：
10.1080/10587259808042435
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
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 temperature T degrees NI of the pure liquid crystals existing outside of the gel. Below T degrees 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 above T degrees NI.
引用
收藏
页码：117 / 126
页数：10
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