Chiral Liquid Crystalline polymers Containing Isosorbide Groups

被引：0
|
作者：
Tian, Mei [1 ]
Xu, Zhi-xin [1 ]
Gao, Li [1 ]
Yao, Dan-shu [1 ]
He, Xiao-zhi [1 ]
Meng, Fan-bao [1 ]
机构：
[1] Northeastern Univ, Ctr Mol Sci & Engn, Shenyang 110004, Peoples R China
来源：
ADVANCES IN CHEMICAL ENGINEERING III, PTS 1-4 | 2013年 / 781-784卷
关键词：
Chiral liquid-crystalline polymers; Isosorbide; smectic; nematic;
D O I：
10.4028/www.scientific.net/AMR.781-784.403
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A series of new main-chain liquid-crystal polymers (LCPs) were prepared from sebacoyl chloride (SD) and various amount of 4, 4' -Dihydroxy-2, 2' -dimethyl Benzalazine (DDBA) and isosorbide (ISO). The liquid crystal (LC) properties were investigated by polarized optical microscope (POM), differential scanning calorimetry (DSC) and X-ray diffraction measurements. P-1 exhibited a typical nematic thread texture, which contains no ISO. P-2-P-7 are Sc* and N LCPs, which exhibited broken fan-shaped texture and droplet texture. The introduction of chiral units into the polymers led to a change of mesomorphase, as compared with P-1.
引用
收藏
页码：403 / 406
页数：4
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