Synthesis of Y-type Polyurethanes Containing Novel NLO Chromophore

被引：2
|
作者：
Guo, Zupeng [1 ]
Guo, Li [1 ]
Chen, Haiying [1 ]
机构：
[1] Qinghai Univ, Sch Chem Engn, Xining 810016, Qinhai Province, Peoples R China
来源：
POLYCYCLIC AROMATIC COMPOUNDS | 2014年 / 34卷 / 04期
关键词：
EO material; polyurethane; second harmonic generation; NONLINEAR-OPTICAL CHROMOPHORES; ENHANCED POLING EFFICIENCY; POLYMERS; PROGRESS;
D O I：
10.1080/10406638.2013.839456
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Novel nonlinear optical chromophore with strong electron donor and isolation groups on both sides were synthesized and characterized by mass spectrum and hydrogen nuclear magnetic resonance. Electro-optical polymers with different chromophore loading densities were prepared and showed us good thermal stabilities, all of their thermal decomposition temperature were higher than 250 degrees C. Large EO coefficients were also obtained by second harmonic generation method 29, 47, and 72 pm/V for PU-C10, PU-C15, and PU-C20, respectively. Solvatochromism of polymer PU-C10 was also studied; the result indicated us that this kind of polymers could be used as solvent polarity indicator material.
引用
收藏
页码：309 / 319
页数：11
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