Features of electronic absorption spectra of aromatic polyimides and polyisoimides

被引：2
|
作者：
Nurmukhametov, R.N. [1 ]
Likhachev, D.Yu. [1 ]
Lavrov, S.V. [1 ]
Kardash, J.Ye. [1 ]
机构：
[1] L. Ya. Karpov Research Inst of, Physical Chemistry
来源：
Polymer science USSR | 1989年 / 31卷 / 02期
关键词：
Aromatic Compounds--Isomerization - Aromatic Polymers--Molecular Structure - Electrons--Transitions - Polymers--Color - Spectroscopy; Electron--Spectrum Analysis;
D O I：
10.1016/0032-3950(89)90402-4
中图分类号：
学科分类号：
摘要：
Electronic absorption and luminescence spectra of aromatic polyimides, polyisoimides and of several molecular compounds modelling fragments of the polyisoimide chain were studied. The effect of chemical structure on their spectral characteristics could be shown. The causes of the characteristic colour of polyimides were explained. The possibility to apply electronic spectroscopy in studies of thermal isomerization of polyisoimides to polyimides was demonstrated.
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页码：434 / 440
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