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首页> 外文期刊>Journal of Applied Polymer Science >Electrochemical Synthesis and Properties of Poly (3-methylthiophene): Novel Synthesis of Poly (3-methylthiophene) with Pentachlorostannate and Hexachloroantimonate
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Electrochemical Synthesis and Properties of Poly (3-methylthiophene): Novel Synthesis of Poly (3-methylthiophene) with Pentachlorostannate and Hexachloroantimonate

机译：聚（3-甲基噻吩）的电化学合成和性能：五氯锡酸酯和六氯锑酸酯的新型聚（3-甲基噻吩）合成

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摘要

Poly (3-methylthiophene) (P3-MeT) doped with different anions were prepared electrochemically in the presence of tetraalkylammonium salts. The new poly (3-methylthiophene) SnCl_5~(-) and P3-MeT SbCl_6) were prepared electrochemically using tetra-n-butylammonium pentachlorostannate and tetra-n-butylammonium hexachloroantimonate as the supporting electrolytes. The effect of current density, salt concentration, reaction temperature, and the nature of solvents on the polymer yield and polymer conductivities have been investigated.Cyelic voltammetry of poly (3-methylthiophene) has been examined at platinum electrode in 1,2-dichloroethane medium cotaining n-Bu_4NSnCl_5, Bu_4NSbCl_6, and Bu_4NClO_4 as the supporting electrolytes in the range of -1.0 to 1.7 V versus SCE in the presence and absence of 3-methylthiophene. Electrical conductivity, magnetic susceptibility measurements, and structural determination by elemental analysis and infrared studies were also made. Scanning electron microscopy revealed a globular, branhed, fibrous and a spongy, fibrous morphology of poly (3-methylthiophene) SnCl_5~(-), ClO_4~(-), and SbCl_6~(-), respectively. The thermal analysis of the polymers was also investigated. Possible causes for the observed lower conductivity of these polymers have also been discussed.
机译：在四烷基铵盐的存在下，电化学制备了掺杂有不同阴离子的聚（3-甲基噻吩）（P3-MeT）。以五氯锡酸四正丁基铵和六氯锑酸四正丁基铵为载体，电化学制备了新的聚（3-甲基噻吩）SnCl_5〜（-）和P3-MeT SbCl_6）。研究了电流密度，盐浓度，反应温度和溶剂性质对聚合物收率和聚合物电导率的影响。在1,2-二氯乙烷介质中的铂电极上研究了聚（3-甲基噻吩）的电池伏安法。在存在和不存在3-甲基噻吩的情况下，相对于SCE，包含n-Bu_4NSnCl_5，Bu_4NSbCl_6和Bu_4NClO_4作为支持电解质的范围为-1.0至1.7V。还进行了电导率，磁化率测量以及通过元素分析和红外研究确定结构。扫描电子显微镜显示聚（3-甲基噻吩）SnCl_5〜（-），ClO_4〜（-）和SbCl_6〜（-）的球状，糠状，纤维状和海绵状纤维形态。还研究了聚合物的热分析。还讨论了观察到的这些聚合物电导率较低的可能原因。

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