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Novel oxidants for polymerization and crystallization of aniline

机译:用于苯胺聚合和结晶的新型氧化剂

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By using novel oxidants, namely, sodium salt of para-toluene sulfonic acid, lithium Perchlorate, and potassium ferricyanide, and varying the oxidant to monomer ratio from as low as 1/100 to 1/20 in the presence of concentrated HCI, it has been possible to simultaneously polymerize aniline and crystallize the polyaniline at room temperature. The crystals thus obtained have been characterized using FTIR, GPC, XRD, and Optical Microscope. It was found that highly crystalline substituted oligo-polyanilines were obtained. The studies indicate that the use of even weaker oxidants, like pTS-Na, LiCIO4, and K-3[Fe(CN)(6)], can bring about simultaneous Polymerization and crystallization of aniline, as we observed earlier using ammonium persulphate. (C) 2004 Wiley Periodicals, Inc.
机译:通过使用新型氧化剂,即对甲苯磺酸的钠盐,高氯酸锂和铁氰化钾,并在浓HCl的存在下将氧化剂与单体的比例从低至1/100改变为1/20,在室温下可以同时聚合苯胺并使聚苯胺结晶。由此获得的晶体已经使用FTIR,GPC,XRD和光学显微镜表征。发现获得了高度结晶的取代的寡聚苯胺。研究表明,使用更弱的氧化剂,例如pTS-Na,LiClO4和K-3 [Fe(CN)(6)],可以同时实现苯胺的聚合和结晶,正如我们之前使用过硫酸铵观察到的那样。 (C)2004年Wiley Periodicals,Inc.

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