Synthesis and properties of nonlinear optical polymers based on poly(ether imides) for electrooptical devices

被引:16
作者
Lee, HJ [1 ]
Lee, MH [1 ]
Oh, MC [1 ]
Han, SG [1 ]
机构
[1] Elect & Telecommun Res Inst, Telecommun Basic Res Lab, Taejon 305600, South Korea
关键词
D O I
10.1007/s002890050482
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Nonlinear optical poly(ether imides) with an adequate thermal stability has been synthesized by direct coupling of hydroxy poly(ether imides) and NLO chromophores with a quantitative yield. The resultant amorphous NLO poly(ether imides) exhibited good solubility in common organic solvents, providing optical-quality thin films by spin coating. The glass transition temperatures of the polymers are at around 180 degrees C. The electrooptic coefficients (r(33), @1.3 mu m) of PEI-DR1 was 12.3 pm/V with an electrical poling field of 100 V/mu m and it decayed about 10 % over 10 months at 90 degrees C under atmospheric conditions.
引用
收藏
页码:403 / 409
页数:7
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