H_3PO_4掺杂PANI/ATP纳米复合材料的导电性能  

Conductivity of Polyaniline/Attapulgite Nanocomposites Doped by H_3PO_4

作　　者：吴凤芹[1] 曾永斌[1] 姚超[1] 李效棠[2] 徐启利 

机构地区：[1]江苏工业学院分析测试中心,江苏常州213164 [2]江苏省凹土工程技术研究中心,江苏盱眙211700 [3]常州华珠颜料有限公司,江苏常州213016

出　　处：《江苏工业学院学报》2008年第3期13-17,共5页Journal of Jiangsu Polytechnic University

基　　金：江苏省富民强县(BE2006373);常州市科技攻关(CE2007075;CE2008077)

摘　　要：用原位聚合法在凹凸棒土(ATP)的表面包覆上磷酸(H3PO4)掺杂的聚苯胺(PANI),合成了H3PO4-PANI/ATP纳米复合材料,研究了聚合时间、H3PO4掺杂量、过硫酸铵(APS)用量、聚合温度和苯胺投料量对复合材料体积电阻率的影响。结果表明:在聚合温度为20℃,苯胺投料量为30%,聚合时间为4 h,n(An)∶n(APS)∶n(H3PO4)=1∶1∶5.81时,复合材料体积电阻率可达到6Ω.cm。并通过XRD、FTIR和TG-DTA对该条件下制备的纳米复合材料进行了表征。The surface of attapulgite was encapsulated with the PANI doped with phosphate acid （H3 PO4） to synthesize the H3PO4- PANI/ATP nanocomposites by in situ polymerization method. The effect of the polymerization time, the amount of H3 PO4, the amount of Ammonium persulfate （APS）, the polymerization temperature and the dosage of aniline on the volume resistivity were studied. The result indicated. when the polymerization temperature was 20 ℃, the dosage of aniline was 30%, the polymerization time was 4 h, the molar ratio of An, APS and H3PO4 was 1 ： 1 ： 5.81, the volume resistivity of nanocomposites could reach 6 Ω · cm. The nanocomposites prepared on this condition was also characterized by XRD, FTIR and TG--DTA.

关 键 词：聚苯胺 凹凸棒土 掺杂 原位聚合 纳米复合材料 体积电阻率 

分 类 号：O632.6[理学—高分子化学] TB332[理学—化学]