FTIR study of conjugation in selected aromatic polyazomethines

被引：29

作者：

Kaczmarczyk, Bozena ^{[1
]}

机构：

[1] Ctr Polymer & Carbon Mat PAS, PL-41819 Zabrze, Poland

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2013年 / 1048卷

关键词：

Aromatic polyazomethines; Conjugation; FTIR spectra; OPTICAL-PROPERTIES; PROTON-TRANSFER; MAIN-CHAIN; POLYKETANILS; AZOMETHINES; PHOTOLUMINESCENCE; 3,8-DIAMINO-6-PHENYLPHENANTHRIDINE; DERIVATIVES; POLYIMINES; KETIMINES;

D O I：

10.1016/j.molstruc.2013.05.036

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A series of aromatic polyazomethines synthesized from reactions between selected aromatic diamines and either terephthalaldehyde or 4,4'-diformyltriphenylamine were characterized using infrared spectroscopy. In this report the influence of diamine structure on the C=N stretching frequency and the conjugation of pi-electrons in polymers are discussed. The results of infrared spectroscopy were confirmed by analyzing the H-1 NMR spectra of the relevant compounds. Special attention was given to the conjugation in the polyimines and model compounds with ortho-substituted alkyl groups to the amine phenyl rings. For the model compounds geometry optimizations were calculated. (c) 2013 Elsevier B.V. All rights reserved.

引用

页码：179 / 184

页数：6

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