Abstract
A novel method was conducted to synthesize conductive polyaniline (PANI) doped with dodecyl benzene sulfonic acid (DBSA) (PANDB) in xylene by using chemical oxidative polymerization at 25 °C. Meanwhile, the synthesis process was photographed. Results showed as the reaction time was increased, and the color of the product was gradually turned into dark green. The influence of different synthesis time on properties of synthesized PANDB was then examined by a Fourier transform infrared (FTIR) spectrometer, an ultraviolet-visible spectrophotometer (UV-vis), a four-point measurement method, and a Field-emittance scanning electron microscope (FE-SEM). The result indicated that the optimum reaction time was 24 h with conductivity at around 2.03 S/cm. FE-SEM images and the conductivity testing showed that the more needle-like shapes in resulted PANDB, the higher the conductivity. The synthesized PANDB solution was blended with UV curable coating firstly and then coated on polyethylene terephthalate (PET) sheet. The UV coating/PANDB conductive composite films displayed an impressive translucency along with an adequate flexibility at room temperature. The UV coating/PANDB conductive composite film on PET sheet was flexible, transparent, and with antistatic function.
Highlights
Conductive polymers (ICPs) are a specific category of synthetic polymers with distinctive electro-optic properties [1]
Results and Discussion synthesized in xylene and in aqueous solution were respectively dissolved in xylene, it can be found that most of the PANI Doped with DBSA (PANDB) synthesized in xylene can be uniformly nano-dispersed and Process of Synthesizing in Xylenein xylene
If PANDB synthesized in xylene and in aqueous solution were respectively dissolved in xylene, it can be found that most of the PANDB synthesized in xylene can be uniformly nano-dispersed and a small part of PANDB can be even dissolved in xylene
Summary
Conductive polymers (ICPs) are a specific category of synthetic polymers with distinctive electro-optic properties [1]. The most attractive and promising system was synthesis of PANI doped with dodecyl benzene sulfonic acid (DBSA) (PANDB) in aqueous solution [6,7,8] or in emulsion polymerization [9,10]. In these synthesis systems, DBSA can act both as surfactant and dopant in the synthesis process. The PANDB synthesized in aqueous solution or in emulsion polymerization could not be properly dissolved in organic solvents. The translucency and antistatic function of UV coating/PANDB conductive composite film were examined
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