Hydrodynamic and conformational properties of aromatic polyesters containing flexible polyoxyethylene fragments

被引：0
|
作者：
Tsvetkov, VN [1 ]
Bushin, SV [1 ]
Astapenko, EP [1 ]
Belyaeva, EV [1 ]
Bezrukova, MA [1 ]
Bilibin, AY [1 ]
机构：
[1] Russian Acad Sci, Inst Macromol Cpds, St Petersburg 199004, Russia
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1999年 / 331卷
关键词：
mesogenic polymer; conformation of the molecule; Kuhn segment; intramolecular orientational mobility;
D O I：
暂无
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Conformational properties of molecules of the thermotropic aromatic polyesters containing mesogenic and flexible very long oxyethylene fragments are discussed on the basis of molecular hydrodynamic investigations. Changes in conformational properties and equilibrium flexibility of molecules, caused by changes in the way of biphenylene fragments insertion into the chain are analyzed. Intramolecular orientational mobility of mesogenic fragments is characterized by a dimentionless parameter lambda/A.
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收藏
页码：1895 / 1900
页数：6
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