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OALib Journal期刊
ISSN: 2333-9721
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聚苯胺/蒙脱土电流变液的稳定性
Keywords: 插层法,聚苯胺/蒙脱土,纳米复合材料,电流变
Abstract:
？采用乳液共混插层法制备了高介电常数的聚苯胺/蒙脱土纳米复合材料微粒。聚苯胺/蒙脱土电流变液在外电场下的剪切强度达8.26kpa(3kv/mmdc,5s-1)，并具有较好的温度稳定性，其剪切应力在10~90℃的范围内随温度变化仅为6.5%(1.5kv/mm,dc,1.61s-1)，静置60天沉降率仅为1%。ir及xrd分析表明,聚苯胺插入到蒙脱土层间，形成纳米复合颗粒，tem标示颗粒的粒径约为100nm。在1000hz，20℃时，聚苯胺/蒙脱土颗粒的介电常数比蒙脱土提高2.7倍，比聚苯胺提高5.5倍，电导率增加8.5倍。
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