Synthesis and nonlinear optical properties of high glass transition polyimides

被引:0
作者
Van den Broeck, K
Verbiest, T
Van Beylen, M
Persoons, A
Samyn, C
机构
[1] Univ Louvain, Lab Macromol & Phys Organ Chem, B-3001 Louvain, Belgium
[2] Univ Louvain, Lab Chem & Biol Dynam, B-3001 Louvain, Belgium
[3] Univ Louvain, Ctr REs Mol Elect & Photon, B-3001 Louvain, Belgium
关键词
D O I
10.1002/(SICI)1521-3935(19991201)200:12<2629::AID-MACP2629>3.3.CO;2-B
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 (NLO) polymers with glass transition temperatures (T-g) as high as 275 degrees C were prepared by covalent bonding of a chromophore to the backbone of hydroxyl polyimides via a Mitsunobu reaction. NLO side-chain polyimides with different polymer backbones and different chromophores were prepared and characterized by second-harmonic generation. Poled films of the polymers have an excellent nonlinear optical response that is stable at elevated temperatures.
引用
收藏
页码:2629 / 2635
页数:7
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