Synthesis and characterization of noncentrosymmetric main chain hydrogen bonded macromolecules incorporating an azo-stilbazole acceptor

被引:1
作者
Dyer, Daniel J. [1 ]
Wolf, Jeremy R. [1 ,2 ]
机构
[1] So Illinois Univ, Dept Chem, Carbondale, IL 62901 USA
[2] ABC Labs, Columbia, MO 65202 USA
基金
美国国家科学基金会;
关键词
hydrogen bonded macromolecules; azo-stilbazole; POLYMER ELECTRETS; CRYSTAL-STRUCTURE; LIQUID-CRYSTALS; AZOBENZENE; STILBENE; DESIGN; SERIES;
D O I
10.1007/s13233-014-2105-y
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The syntheses and characterization of three noncentrosymmetric main chain hydrogen bonded macromolecules which incorporate diethyl-[4-(pyridin-4-ylazo)-phenyl]-amine hydrogen bond acceptor units are reported. These macromolecules participate in strong intermolecular hydrogen bonding as demonstrated using attenuated total reflectance (ATR) FTIR. The phase transitions of these macromolecules depend on the identity of the hydrogen bond donor. Mixtures of these azo-stilbazole macromolecules with noncentrosymmetric hydrogen bonded liquid crystalline macromolecules possess nematic liquid crystalline phases when the concentration of the azo-stilbazole macromolecule is a parts per thousand currency sign 50 mol%.
引用
收藏
页码:870 / 874
页数:5
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