Preparation parameters of polyaniline/polyvinyl chloride flexible wires for electrical conductivity performance analysis based on orthogonal arrays.

IF 1.8 4区 化学 Q3 POLYMER SCIENCE Designed Monomers and Polymers Pub Date : 2021-06-28 eCollection Date: 2021-01-01 DOI:10.1080/15685551.2021.1936373
Wu Xuelian, Jiang Jiang, Yang Jian, Feng Qin, Wang Zhifeng
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Abstract

A flexible polyaniline/polyvinyl chloride (PVC) polymer conductive wire was prepared using flexible PVC polymer as the substrate by the swelling - in-situ polymerization method, the line-shaped dents were pressed on the substrate by the thermodynamic pre-deformation treatment technology. Based on the orthogonal test method, the effects of five main influencing factors - swelling time (A), swelling temperature (B), oxidation temperature (C), oxidation time (D), and oxidant concentration (E) - on the conductivity of the prepared polyaniline/PVC conductive wire was investigated. The results of the orthogonal array testing were subjected to range analysis and analysis of variance (ANOVA), and the influencing factors, in terms of significance, follow the order of swelling temperature, oxidation time, swelling time, oxidation temperature, and oxidant concentration, with the optimal factor-level combination being A2B2C2D2E2, which led to a desirable conductivity up to 1.19 × 10-1 S/cm. In addition, the influence of different conductive line size characteristics on the molecular structure, microstructure, and conductivity of polyaniline/PVC flexible conductive wire was further studied. On the microstructure, as the line width increases, the infrared absorption intensity ratio of the quinone ring and the benzene ring in the polyaniline/PVC conductive wires gradually approaches 1. The microstructure, as the line width of the polyaniline/PVC conductive wire increases, the formed polyaniline gradually changes from flakes and granules to fibrous strips and entangles with each other to form a spatial network structure. The conductivity of the wire increases with the increase of its width up to 1.48 × 10-1 S/cm.

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基于正交阵列的聚苯胺/聚氯乙烯软线制备参数及其导电性能分析
以柔性聚氯乙烯(PVC)聚合物为基材,采用原位膨胀聚合法制备了柔性聚苯胺/聚氯乙烯(PVC)聚合物导电丝,并采用热力学预变形处理技术在基材上压出线状凹痕。采用正交试验法,考察了溶胀时间(A)、溶胀温度(B)、氧化温度(C)、氧化时间(D)和氧化剂浓度(E) 5个主要影响因素对所制聚苯胺/PVC导电丝导电性能的影响。正交试验结果进行极差分析和方差分析(ANOVA),影响因素显著性依次为溶胀温度、氧化时间、溶胀时间、氧化温度、氧化剂浓度,最佳因子水平组合为A2B2C2D2E2,电导率可达1.19 × 10-1 S/cm。此外,还进一步研究了不同导线尺寸特性对聚苯胺/聚氯乙烯软导线分子结构、微观结构和电导率的影响。在微观结构上,随着线宽的增大,聚苯胺/聚氯乙烯导线中醌环和苯环的红外吸收强度比逐渐趋近于1。微观结构上,随着聚苯胺/PVC导电丝线宽的增大,形成的聚苯胺逐渐由片状、颗粒变为纤维条,并相互缠绕,形成空间网状结构。导线的电导率随导线宽度的增加而增加,最高可达1.48 × 10-1 S/cm。
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来源期刊
Designed Monomers and Polymers
Designed Monomers and Polymers 化学-高分子科学
CiteScore
3.30
自引率
0.00%
发文量
28
审稿时长
2.1 months
期刊介绍: Designed Monomers and Polymers ( DMP) publishes prompt peer-reviewed papers and short topical reviews on all areas of macromolecular design and applications. Emphasis is placed on the preparations of new monomers, including characterization and applications. Experiments should be presented in sufficient detail (including specific observations, precautionary notes, use of new materials, techniques, and their possible problems) that they could be reproduced by any researcher wishing to repeat the work. The journal also includes macromolecular design of polymeric materials (such as polymeric biomaterials, biomedical polymers, etc.) with medical applications. DMP provides an interface between organic and polymer chemistries and aims to bridge the gap between monomer synthesis and the design of new polymers. Submssions are invited in the areas including, but not limited to: -macromolecular science, initiators, macroinitiators for macromolecular design -kinetics, mechanism and modelling aspects of polymerization -new methods of synthesis of known monomers -new monomers (must show evidence for polymerization, e.g. polycondensation, sequential combination, oxidative coupling, radiation, plasma polymerization) -functional prepolymers of various architectures such as hyperbranched polymers, telechelic polymers, macromonomers, or dendrimers -new polymeric materials with biomedical applications
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