Thermo-analyses of polyaniline and its derivatives

被引：56
作者：
Alves, William F. [2 ,3 ]
Venancio, Everaldo C. [1 ]
Leite, Fabio L. [4 ]
Kanda, Darcy H. F. [5 ]
Malmonge, Luiz F. [5 ]
Malmonge, Jose A. [5 ]
Mattoso, Luiz H. C. [2 ,3 ]
机构：
[1] Univ Fed Abc, Ctr Engn Modelagem & Ciencias Sociais Aplicadas C, BR-09210170 Santo Andre, SP, Brazil
[2] EMBRAPA Instrumentacao Agropecuaria, BR-13560970 Sao Carlos, SP, Brazil
[3] Univ Fed Sao Carlos, Dept Quim, BR-13565905 Sao Carlos, SP, Brazil
[4] Univ Fed Sao Carlos, BR-18052780 Sorocaba, SP, Brazil
[5] Univ Estadual Paulista, Dept Quim & Fis, BR-15385000 Ilha Solteira, SP, Brazil
来源：
THERMOCHIMICA ACTA | 2010年 / 502卷 / 1-2期
基金：
巴西圣保罗研究基金会;
关键词：
Polyaniline; DSC; TGA; Poly(o-methoxyaniline); Poly(o-ethoxyaniline); FILMS; POLY(O-METHOXYANILINE); WATER;
D O I：
10.1016/j.tca.2010.02.003
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this work, is presented the thermal behavior of polyaniline (PAN!) and its derivatives poly(o-ethoxyaniline) (POEA) and poly(o-methoxyaniline) (PUMA), which were studied by using differential scanning calorimetry (DSC), modulated DSC (TMDSC), respectively, and thermal gravimetric analysis (TGA). The results from diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) and thermal analysis showed the formation of crosslinking isomerization reaction during the heating process. The results showed that the maximum weight loss and the crystallinity degree depend on the type of the aromatic ring substituent group, i.e. hydrogen, ethoxy or methoxy. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：43 / 46
页数：4
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