空间稳定剂对聚苯胺在羰基铁粉表面原位沉积成膜的影响  

Effect of Space Stabilizer on Polyaniline Film Prepared by In-situ Deposition on Surface of Carbonyl Iron Powder

作　　者：李国伟[1] 杨彬[1] 左培艳[1] 吴其晔[1] 

机构地区：[1]青岛科技大学橡塑材料与工程教育部重点实验室,山东青岛266042

出　　处：《青岛科技大学学报（自然科学版）》2011年第3期281-284,290,共5页Journal of Qingdao University of Science and Technology:Natural Science Edition

基　　金：国家自然科学基金资助项目(50390090)

摘　　要：通过原位聚合法制备了羰基铁粉/聚苯胺(CIP/PANI)复合材料,分别采用高分子量PVP-K90、低分子量PVP-K30和小分子表面活性剂吐温-20作为分散聚合的空间稳定剂,考察了空间稳定剂种类和PVP-K90的浓度对PANI在羰基铁粉表面原位沉积成膜的影响,并简要讨论其稳定机理。结果表明:采用分散聚合,以高分子量PVP-K90为空间稳定剂时可制备形貌良好的CIP/PANI核壳结构复合物;以低分子量PVP以及小分子表面活性剂时不能很好地稳定聚苯胺成膜。空间稳定剂浓度和种类变化时CIP/PANI复合物的电导率变化不大,在10-2S.cm-1左右。Carbonyl iron powder（CIP）/polyaniline（PANI） microspheres with core/shell structure had been synthesized via a simple in situ polymerization method.Effect of stabilization of space stabilizer on the morphologies and conductivity of the synthesized products were characterized.The results indicated that when the PVP of a higher relative molecular mass was adorpted,a more compact surface structure could be formed and the PANI particles changed from rods to spheres with the PVP concentration increasing appropriately.While poor surfance CIP/PANI products were prepared,when adopting PVP of a lower relative molecular mass and the the small molecule surfactants.

关 键 词：聚苯胺 羰基铁粉 原位聚合 空间稳定剂 

分 类 号：O063[理学]