FUNCTIONALIZED POLYIMIDES EXHIBITING LARGE AND STABLE 2ND-ORDER OPTICAL NONLINEARITY

被引：64

作者：

YANG, SY ^{[1
]}

PENG, ZH ^{[1
]}

YU, LP ^{[1
]}

机构：

[1] UNIV CHICAGO,DEPT CHEM,5735 S ELLIS AVE,CHICAGO,IL 60637

来源：

MACROMOLECULES | 1994年 / 27卷 / 20期

关键词：

D O I：

10.1021/ma00098a045

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A new family of functionalized second-order nonlinear optical polyimides has been developed. The key step in synthesizing these polymers was the syntheses of diamino NLO chromophores, which was accomplished by utilizing the Mitsunobu reaction. The polyimides were obtained from the corresponding poly(amic acids) which exhibited good solubility in aprotic polar solvents, permitting device processing. High glass transition temperatures were obtained in these polyimides, rendering a high stability in dipole orientation at elevated temperatures. The second harmonic generation signals exhibited no decay at room temperature or at 90-degrees-C. A long term stabilityf at 170-180-degrees-C was observed.

引用

页码：5858 / 5862

页数：5

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