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首页> 外文期刊>Journal of Applied Polymer Science >Electrical and structural analysis of conductive polyaniline/polyimide blends
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Electrical and structural analysis of conductive polyaniline/polyimide blends

机译：导电聚苯胺/聚酰亚胺共混物的电气和结构分析

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摘要

Conducting films of dodecylbenzenesulfonic (DBSA)-doped polyaniline/polyimide (PANI/PI) blends with various compositions were prepared by solvent casting followed by a thermal imidization process. Electrical and physical properties of the blends were characterized by infrared spectroscopy, an X-ray diffraction technique, thermal analysis, a UV-vis spectrophotometer, a dielectrometer, and conductivity measurements. The blends exhibited a relatively low percolation threshold of electrical conductivity at 5 wt % PANI content and showed higher conductivity than that of pure DBSA-doped PANI when the PANI content exceeded 20 wt %. A lower percolation threshold and a lower compatibility was shown between the two components in the blends than those of PANI-camphorsulfonic acid/polyamic acid (PANI-CSA/PAA). A well-defined layered structure due to the alignment of the long alkyl chain dopant perpendicular to the PANI main chain was evidenced by WAXD spectra.
机译：十二烷基苯磺酸（DBSA）掺杂的聚苯胺/聚酰亚胺（PANI / PI）共混物的导电膜具有多种组成，可通过溶剂浇铸和热酰亚胺化工艺制备。共混物的电和物理性质通过红外光谱，X射线衍射技术，热分析，紫外可见分光光度计，介电常数和电导率测量来表征。当PANI含量超过20 wt％时，共混物在5 wt％的PANI含量下具有相对较低的电导渗透阈值，并且比纯DBSA掺杂的PANI的电导率更高。与PANI-樟脑磺酸/聚酰胺酸（PANI-CSA / PAA）相比，共混物中的两种组分之间的渗透阈值和相容性更低。 WAXD光谱证明了由于长烷基链掺杂剂垂直于PANI主链的排列而导致的结构清晰的分层结构。

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