Study on lyotropic liquid-crystalline properties of trimethylsilyl hydroxypropylcellulose

被引：6
|
作者：
Wang, CQ [1 ]
Dong, YP [1 ]
Tan, HM [1 ]
机构：
[1] Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100081, Peoples R China
来源：
CARBOHYDRATE RESEARCH | 2003年 / 338卷 / 06期
关键词：
trimethylsilyl group; hydroxypropylcellulose; lyotropic liquid crystal; cholesteric structure;
D O I：
10.1016/S0008-6215(02)00496-2
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The lyotropic liquid-crystalline behavior of trimethylsilyl hydroxypropylcellulose (TMS-HPC) is reported in this paper. The introduction of the trimethylsilyl (TMS) group in the parent HPC increases the solubility in organic solvents, and the lyotropic mesophase can be formed in concentrated acetone solution. The critical concentration (C*) in acetone is approximately 36%. The liquid crystalline nature of TMS-HPC/acetone solution was confirmed by PLM, and the mechanism of liquid crystallization was studied by FTIR and WARD methods. (C) 2003 Elsevier Science Ltd. All rights reserved.
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页码：535 / 540
页数：6
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