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2-甲基-1-4-二氮二二环辛烷季铵盐的介电性质研究的开题报告

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精品文档---下载后可任意编辑2-甲基-1,4-二氮二二环[2.2.2]辛烷季铵盐的介电性质讨论的开题报告【摘要】本文讨论了 2-甲基-1,4-二氮二二环[2.2.2]辛烷季铵盐的介电性质。介电常数、介质损耗角正切等物理量是对介质性能的评价,本文采纳沟通阻抗法和等效电路法等多种实验手段,探究了 2-甲基-1,4-二氮二二环[2.2.2]辛烷季铵盐在不同频率下的介电性质及其影响因素。讨论表明,2-甲基-1,4-二氮二二环[2.2.2]辛烷季铵盐在低频域表现出良好的介电性质。介电常数在 50 Hz 时达到峰值,介质损耗角正切随着频率的升高而减小。同时还讨论了温度和配位阳离子浓度对介电性质的影响,发现温度升高和配位阳离子浓度增加都会导致介电常数下降、介质损耗角正切增大。该讨论对于进一步了解 2-甲基-1,4-二氮二二环[2.2.2]辛烷季铵盐的化学性质和在介电材料中的应用具有重要意义。【关键词】2-甲基-1,4-二氮二二环[2.2.2]辛烷季铵盐;介电性质;介电常数;介质损耗角正切;沟通阻抗法;等效电路法【Abstract】This paper studies the dielectric properties of 2-methyl-1,4-diazoniabicyclo[2.2.2]octane quaternary ammonium salt. The dielectric constant, dielectric loss tangent and other physical quantities are the evaluation of the dielectric properties. In this paper, various experimental methods such as AC impedance method and equivalent circuit method are used to explore the dielectric properties of 2-methyl-1,4-diazoniabicyclo[2.2.2]octane quaternary ammonium salt at different frequencies and their influencing factors.The research shows that 2-methyl-1,4-diazoniabicyclo[2.2.2]octane quaternary ammonium salt exhibits good dielectric properties in the low frequency domain. The dielectric constant reaches its peak at 50 Hz, and the dielectric loss tangent decreases with the increasing frequency. The influence of temperature and coordination cation concentration on dielectric properties is also studied. It is found that the increase of temperature and coordination 精品文档---下载后可任意编辑cation concentration will lead to the decrease of dielectric constant and the increase of dielectric loss tangent.This study is of great significance for further understanding the chemical properties of 2-methyl-1,4-diazoniabicyclo[2.2.2]octane quaternary ammonium salt and its application in dielectric materials.【Key words】2-methyl-1,4-diazoniabicyclo[2.2.2]octane quaternary ammonium salt; dielectric properties; dielectric constant; dielectric loss tangent; AC impedance method; equivalent circuit method.

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2-甲基-1-4-二氮二二环辛烷季铵盐的介电性质研究的开题报告

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