Chemical synthesis and characterization of aniline and o-anthranilic acid copolymer

被引：39

作者：

Ayad, M. M. ^{[1
]}

Salahuddin, N. A. ^{[1
]}

Abou-Seif, A. K. ^{[1
]}

Alghaysh, M. O. ^{[1
]}

机构：

[1] Tanta Univ, Fac Sci, Dept Chem, Tanta, Egypt

来源：

EUROPEAN POLYMER JOURNAL | 2008年 / 44卷 / 02期

关键词：

polyaniline film; chemical; quartz crystal microbalance; o-anthranilic acid; in situ UV-Vis absorption spectra;

D O I：

10.1016/j.eurpolymj.2007.11.025

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The chemical co-polymerization of aniline with o-anthranilic acid (AA) to form copolymer films has been made in aqueous hydrochloric acid medium. The copolymer films were monitored by using the quartz crystal microbalance (QCM) technique. The effect of AA and its concentrations on the film formation was investigated. The results were justified by measuring the UV-Vis absorption spectra for the in situ copolymer films grown onto glass slides immersed into the polymerization media and the in situ UV-Vis absorption spectra for the copolymer in the bulk during the co-polymerization. The conductivity for the copolymer films and powder pellets at different molar ratios of aniline/AA were measured. Also, the IR spectra, X-ray diffraction and the thermal gravimetric analysis for the copolymer powder formed in the bulk in the absence and presence of AA were measured and discussed. It is found that the presence of AA affects the yield, induction period, depletion time and growth rate of the film formation. It also affects the crystallinity, and conductivity as well as the solubility of the polymer. Finally, the dopant weight fraction (w) associated with the copolymer was determined. It is almost half the value determined for the polymer in absence of AA. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：426 / 435

页数：10

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