导电聚吡咯/粘胶纤维复合材料。

Conductive polypyrrole/viscose fiber composites.

机构信息

Tianjin Municipal Key Lab of Fiber Modification and Functional Fiber, School of Material Science and Engineering, Tianjin Polytechnic University, Tianjin 300389, China.

出版信息

Carbohydr Polym. 2015 Aug 20;127:332-9. doi: 10.1016/j.carbpol.2015.03.076. Epub 2015 Mar 31.

DOI:10.1016/j.carbpol.2015.03.076

PMID:25965491

Abstract

Polypyrrole (PPy) was polymerized with pyrrole (Py) as the monomer, FeCl3 as an oxidant and sodium dodecyl benzene sulfonate (SDBS) as the dopant on the surface of viscose fiber (VCF) to prepare the conductive PPy/VCF composites. Fourier transform infrared spectra (FT-IR), thermal gravimetric analysis (TGA) and X-ray photoelectron spectroscope (XPS) proved that the interaction between PPy and VCF formed in the PPy/VCF composites. Three structures of N atoms (imine, amine and cationic atoms) were found in PPy of PPy/VCF composites. The influence of reaction conditions including reaction time, Py concentration, FeCl3 concentration and SDBS concentration on the morphology and the conductivity of PPy/VCF composites was investigated in detail. The orthogonal experiments were designed to determine the optimal reaction conditions: reaction time 5h, Py concentration 0.1 mol/L and FeCl3 concentration 0.25 mol/L. When PPy/VCF composite was washed 50 times in water, the conductivity still kept at 1.5S/cm, and this value was stable for more washing.

摘要

聚吡咯（PPy）是由吡咯（Py）作为单体，FeCl3 作为氧化剂，十二烷基苯磺酸钠（SDBS）作为掺杂剂在粘胶纤维（VCF）表面聚合制备而成的导电 PPy/VCF 复合材料。傅里叶变换红外光谱（FT-IR）、热重分析（TGA）和 X 射线光电子能谱（XPS）证明了 PPy/VCF 复合材料中形成了 PPy 和 VCF 之间的相互作用。在 PPy/VCF 复合材料的 PPy 中发现了三种 N 原子（亚胺、胺和阳离子原子）结构。详细研究了反应条件（包括反应时间、Py 浓度、FeCl3 浓度和 SDBS 浓度）对 PPy/VCF 复合材料形貌和电导率的影响。设计了正交实验来确定最佳反应条件：反应时间 5h，Py 浓度 0.1mol/L，FeCl3 浓度 0.25mol/L。当 PPy/VCF 复合材料在水中洗涤 50 次后，电导率仍保持在 1.5S/cm，并且在更多次洗涤后仍保持稳定。