论文部分内容阅读
采用1-羧甲基-3-甲基咪唑氯化盐离子液体对钠化蒙脱土进行插层改性,然后用苯胺的盐酸溶液进行二次插层,以过硫酸铵为氧化剂,盐酸溶液为掺杂剂,使进入离子液体/蒙脱土(CMMIm/MMT)层间的苯胺(An)发生氧化聚合反应,制备了一种具有良好导电性的聚苯胺/离子液体/蒙脱土复合材料(PANI/CMMIm/MMT).用红外光谱、X-射线衍射,热重分析和DSC对样品进行了表征.结果表明当离子液体/蒙脱土用量为7.5%、盐酸浓度为1mol/L、过硫酸铵与苯胺的摩尔比为1∶1、0℃下反应6h时制备的PANI/CMMIm/MMT纳米复合材料电导率最高,达到了0.3S/cm,是相同条件下聚苯胺/钠化蒙脱土纳米复合材料电导率的2.5倍,聚苯胺的7.5倍.
1-Carboxymethyl-3-methylimidazolium chloride ionic liquid intercalation modification of sodium montmorillonite, then aniline hydrochloric acid solution for secondary intercalation, ammonium persulfate as oxidant, hydrochloric acid solution As the dopant, the aniline (An) entering into the ionic liquid / montmorillonite (CMMIm / MMT) layer oxidized and polymerized to prepare a polyaniline / ionic liquid / montmorillonite composite with good conductivity (PANI / CMMIm / MMT) .The samples were characterized by IR, X-ray diffraction, thermogravimetric analysis and DSC.The results showed that when the amount of ionic liquid / montmorillonite was 7.5%, the concentration of hydrochloric acid was 1mol / The conductivity of PANI / CMMIm / MMT nanocomposites prepared by the reaction of ammonium sulfate and aniline at a ratio of 1: 1 at 0 ℃ for 6h reached the highest value of 0.3S / cm. Under the same conditions, PANI / CMMIm / Soil nano-composite conductivity 2.5 times, polyaniline 7.5 times.