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Preparation and characterization of conductive poly(vinyl alcohol)/polyaniline doped by dodecyl benzene sulfonic acid (PVA/PANDB) blend films
Authors:Cheng‐Ho Chen  Ching‐Feng Mao  Shun‐Fua Su  Yauh‐Yarng Fahn
Affiliation:1. Department of Chemical and Material Engineering, Southern Taiwan University of Technology, Tainan Hsien, Taiwan, Republic of China;2. Department of Chemical and Material Engineering, Tung‐Fang Institute of Technology, Kaohsiung Hsien, Taiwan, Republic of China
Abstract:In this study a solution‐blend method is adopted to prepare conductive poly(vinyl alcohol)/polyaniline doped by dodecyl benzene sulfonic acid (PVA/PANDB) blend films. Emeraldine base (EB)‐type polyaniline (PANI) is dissolved in N‐methyl‐2‐pyrrolidinone (NMP) and then blended with PVA/dodecyl benzene sulfonic acid (DBSA) solution by various amounts. It is found that the electrical conductivity and the thermal degradation onset temperature of the PVA/PANDB blend film are increased as the amount of EB‐type PANI solution is increased. Fourier transform infrared (FTIR) spectra show that the intensity of the characteristic peak of the functional groups in the blend film is significantly changed as the amount of EB‐type PANI is changed. From optical microscopy examination, it indicates that the amount and size of green particles are increased with increasing the amount of EB‐type PANI solution. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 103: 3415–3422, 2007
Keywords:polyaniline (PANI)  poly(vinyl alcohol) (PVA)  dodecyl benzene sulfonic acid (DBSA)  blend
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