磁场对聚苯胺结构、掺杂行为及热稳定性的影响

功能材料, 2007, 38(9): 1434-1436.

磁场对聚苯胺结构、掺杂行为及热稳定性的影响

马利 ^1, , 陈超 ^2, , 黄可龙 ^3, , 卢苇 ^4, , 陈奉强 ^5,

1.中南大学,化学化工学院,湖南,长沙,410083;重庆大学,化学化工学院,重庆,400044

2.重庆大学,化学化工学院,重庆,400044

3.中南大学,化学化工学院,湖南,长沙,410083

4.重庆大学,化学化工学院,重庆,400044

5.重庆大学,化学化工学院,重庆,400044

基金项目: 国家自然科学基金(20176066)

关键词：聚苯胺 , 磁场 , 掺杂 , 结构 , 热稳定性

Effect of a magnetic field on structure, doping characteristics and stability of polyaniline

在恒定磁场(0.8T) 和无磁场环境下,采用化学氧化聚合法合成了分别用磺基水杨酸(SSA)、对甲基苯磺酸(TSA)以及用十二烷基苯磺钠/盐酸(SDBS+HCl)掺杂的聚苯胺盐,并采用X射线光电子能谱(XPS)、傅立叶红外光谱(FT-IR)、X粉末衍射(XRD),热重分析(TGA)等手段研究了磁场对聚苯胺结构、掺杂行为及热稳定性的影响.结果表明在合成聚苯胺的过程中,作为表面活性剂的十二烷基苯磺酸钠在无机酸存在条件下转变成十二烷基苯磺酸并与无机酸共同掺杂进入聚苯胺链;磁场环境下合成的聚苯胺盐比无磁场下合成的聚苯胺盐的链更加规整,热稳定性更好,掺杂程度以及结晶性能也有所提高;从红外光谱分析中可知,磁场取向作用使分子链更加伸展,分子链离域程度更大,但磁场没有明显地改变聚苯胺的基本单元结构.

参考文献

[1]	Zeng XR.;Ko TM. .Structures and properties of chemically reduced polyanilines[J].Polymer: The International Journal for the Science and Technology of Polymers,1998(5):1187-1195.
[2]	Swapna Rao P;Subrahmanya S;Sathyanarayana D N .[J].Synthetic Metals,2002,128:311-316.
[3]	Kahol PK.;Kumar KKS.;Geetha S.;Trivedi DC. .Effect of dopants on electron localization length in polyaniline[J].Synthetic Metals,2003(2):191-200.
[4]	Jayakannan M;Anilkumar P;Sanju A .Synthesis and characterization of new azobenzenesulfonic acids doped conducting polyaniline[J].European Polymer Journal,2006(10):2623-2631.
[5]	Chiriac AP.;Simionescu CI. .Magnetic field polymerisation [Review][J].Progress in Polymer Science,2000(2):219-258.
[6]	Duan Yuping .[J].Functional Materials,2005,36(09):455-1458.
[7]	Torbet .[J].Synthetic Metals,1999,101:825-826.
[8]	Wan Meixiang;Yang Jing .[J].Synthetic Metals,1995,69:155-156.
[9]	Cai LT.;Zhou SM.;Yao SB. .EFFECTS OF THE MAGNETIC FIELD ON THE POLYANILINE FILM STUDIED BY IN SITU CONDUCTIVITY MEASUREMENTS AND X-RAY DIFFRACTION[J].Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry,1997(1/2):45-48.
[10]	Imoto M et al.[J].Mtimol Chem Rapid Commun,1981,2:703.
[11]	Tanimoto Y et al.[J].Journal of Physical Chemistry,1983,87:3976.
[12]	Nikei .[J].New Mateti,1988,12(53):16.
[13]	Palaniappan S;Amarnath CA .Polyaniline-dodecylhydrogensulfate-acid salt: synthesis and characterization[J].Materials Chemistry and Physics,2005(1):82-88.
[14]	Moon Y B;Cao Y;Smith P .[J].A J Heeger Polym Commun,1989,30:196.
[15]	Swapna Rao P;Sathyanarayana D N;Palaniappan S .[J].Macromolecules,2002,35:4988.
[16]	Huang J;Wan M .[J].Journal of Polymer Science Part A:Polymer Chemistry,1999,37:1277.
[17]	Sai Ran M;Palaniappans S .[J].Journal of Materials Science,2004,39:3069-3077.
[18]	Cruz-Silva R;Romero-Garcy'a J;Angulo-Sa'nchez J L .[J].Polymer,2004,45:4711-4717.
[19]	Anjali A Athawale;Kulkarni M V et al.[J].Materials Chemistry and Physics,2002,73:106-110.
[20]	林薇薇,南军义,田永辉,梁辉建.XPS研究聚苯胺的竞争掺杂行为[J].化学物理学报,2000(05):592-298.

上一张下一张

计量

下载量()
访问量()

作者相关

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%

材料期刊网