导电聚酯片的制备及酸处理对导电层吸附量和黏附性的影响

doi:10.6040/j.issn.1671-9352.0.2014.231

山东大学学报（理学版） ›› 2015, Vol. 50 ›› Issue (01): 70-75.doi: 10.6040/j.issn.1671-9352.0.2014.231

导电聚酯片的制备及酸处理对导电层吸附量和黏附性的影响

宋艳朵, 邵国俊, 王蕊, 茹淼焱

山东大学特种功能聚集体材料教育部重点实验室, 山东济南 250100

收稿日期:2014-05-20 修回日期:2014-10-16 出版日期:2015-01-20 发布日期:2015-01-24
通讯作者: 茹淼焱(1963-),男,高级工程师,研究方向为应用化学.E-mail:wzhtgru@sina.cn E-mail:wzhtgru@sina.cn
作者简介:宋艳朵(1986-),女,硕士研究生,研究方向为吸波材料.E-mail:songyanduo@126.com

Preparation of conductive polyester slice and influence of acid treatment on the adsorbance and adhesion of the conductive layer

SONG Yan-duo, SHAO Guo-jun, WANG Rui, RU Miao-yan

Key Laboratory for Special Functional Aggregate Materials of Education Ministry, Shandong University, Jinan 250100, Shandong, China

Received:2014-05-20 Revised:2014-10-16 Online:2015-01-20 Published:2015-01-24

摘要/Abstract

摘要： 以盐酸为掺杂剂,过硫酸铵(APS)为氧化剂,采用原位聚合的方法制备了导电聚酯片(PET)。为了增大导电高分子聚苯胺(PANI)在合成基材聚酯片表面的吸附量和黏附性,在苯胺聚合前对聚酯片进行酸处理。酸处理对聚酯片表面润湿性、化学组成及形貌的影响分别采用接触角测试仪、X射线光电子能谱仪、扫描电镜进行表征。苯胺聚合后聚酯片质量变化用于评估聚苯胺在聚酯片表面吸附量的大小。1-甲基-2-吡咯烷酮清洗后导电聚酯片颜色和电导率的变化用于判断聚苯胺在聚酯片表面的黏附性大小。实验结果表明,酸处理有效地提高了聚苯胺在聚酯片表面的吸附量和黏附性。该方法制备的导电聚酯片有望直接作为导电器件使用,可在一定程度上提高聚苯胺的可加工性。

关键词: 聚苯胺, 聚酯片, 酸处理, 粘附性, 吸附量

Abstract: The conductive polyester (PET) slice was synthesized by in situ polymerization. Hydrochloric acid was used as the doping agent and ammonium persulfate (APS) was used as the oxidizing agent. The PET substrate was pretreated with concentrated sulfuric acid before aniline polymerization for the purpose of improving the adsorbance and adhesion of polyaniline (PANI) coating on the PET substrate. The changes of wettability, chemical composition and morphology of the PET after acid treatment was characterized by contact angle goniometer, X-ray photoelectron spectroscopy (XPS) and field emission scanning electron microscopy (SEM). The weighting method according to the weight change of the PET substrate after aniline polymerization was used to assess the capacity of PANI grafting on the PET slice. The washing fastness of PANI on PET can be evaluated by the changes of conductivity and colour after washing with 1-methyl-2-pyrrolidone (NMP). The conductivity of the samples was performed with a four-point probe conductivity tester. The experimental results indicated that when the PET was treated with acid solution, the PET macromolecular chain was broken and the functional groups were formed, so the wettability, the polar groups and the roughness of PET surface was increase, which was helpful to increase the adsorbance of PANI and enhance the interaction of PANI and PET. The conductive PET prepared by this method is expected to be directly used as the conductive device, which can improve the processability of PANI in a certain extent.

Key words: adsorbance, polyaniline, acid treatment, adhesion, polyester

中图分类号:

宋艳朵, 邵国俊, 王蕊, 茹淼焱. 导电聚酯片的制备及酸处理对导电层吸附量和黏附性的影响[J]. 山东大学学报（理学版）, 2015, 50(01): 70-75.

SONG Yan-duo, SHAO Guo-jun, WANG Rui, RU Miao-yan. Preparation of conductive polyester slice and influence of acid treatment on the adsorbance and adhesion of the conductive layer[J]. JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE), 2015, 50(01): 70-75.

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导电聚酯片的制备及酸处理对导电层吸附量和黏附性的影响

Preparation of conductive polyester slice and influence of acid treatment on the adsorbance and adhesion of the conductive layer

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