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首页> 外文期刊>Synthetic Metals >Polyaniline-related ion-barrier anticorrosion coatings--I. Ionic permeability of polyaniline, cationic, and bipolar films
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Polyaniline-related ion-barrier anticorrosion coatings--I. Ionic permeability of polyaniline, cationic, and bipolar films

机译:聚苯胺相关的离子屏障防腐涂料--I。聚苯胺,阳离子和双极性薄膜的离子渗透性

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摘要

Ionic permeabilities of coating films were studied with a variety of experimental methods including measurements of membrane potential, salt diffusion, and electron spectroscopy for chemical analysis (ESCA). The results show that polyaniline (PAn) allows diffusion of anions (if PAn is dispersed in a cationic polymer matrix, the resulting film may have cationic defects that allow the passage of cations), a cationic film is permeable to cations, and the combination of a PAn containing primer with the cationic topcoat is an ion-barrier which delays penetration of both anions and cations.
机译:用多种实验方法研究了涂膜的离子渗透性,包括膜电位的测量,盐的扩散和化学分析的电子光谱(ESCA)。结果表明,聚苯胺(PAn)允许阴离子扩散(如果PAn分散在阳离子聚合物基质中,则所得薄膜可能具有允许阳离子通过的阳离子缺陷),阳离子薄膜可渗透阳离子,并且带有阳离子面漆的含有PAn的底漆是一种离子屏障,可延迟阴离子和阳离子的渗透。

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