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Change of the structural organization in the polar elastomer film under the action of electrostatic field

机译:静电场作用下极性弹性体膜中结构组织的变化

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The effect of the electrostatic field on the structural organization of macromolecules of polar elastomers was studied using polychloroprene (PCP) as an example. The impact of the electrostatic field on thin films of polychloroprene in the process of their formation leads to the formation of a supramolecular structure that is different from that in films formed under similar conditions, but in the absence of a field. An analysis of the dielectric relaxation spectra of samples in an electrostatic field shows an increase in order in the arrangement of macromolecules (degree of crystallinity). The results of the evaluation of the increase in the degree of crystallinity of the films studied by the dielectric method are in good agreement with the estimate of this parameter by analyzing the IR spectra. The results obtained give grounds to conclude that there is an increase in orderliness in the arrangement of polar molecules in thin films of elastomers when they are formed and kept in an electrostatic field. Increasing the order in the arrangement of polar macromolecules leads to an increase in electrical conductivity in thin films of such a material. The work substantiates and uses a method for assessing the degree of crystallinity of an elastomer by analyzing the temperature dependence of electrical capacity.
机译:使用聚氯丁二烯(PCP)研究了静电场对极性弹性体的大分子结构组织的影响,作为一个例子。静电场在其形成过程中的聚氯丁烯薄膜的影响导致形成超分子结构,其与在类似条件下形成的薄膜中不同,但在不存在场上。静电场中样品的介电弛豫光谱分析显示大分子(结晶度)的布置中的顺序增加。通过分析IR光谱,通过介电方法研究的膜研究的结晶度的增加的评价结果​​与该参数的估计吻合良好。得到的结果赋予地,得出结论,当在静电场中形成并保持在弹性体的薄膜中的薄膜中的极性分子的布置中有序的有序性增加。增加极性大分子布置中的顺序导致这种材料的薄膜中的导电性的增加。该工作实质性地通过分析电容的温度依赖性来评估弹性体的结晶度的方法。

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