Abstract
The PANI-PVA composite conductive coatings adopt PVA as the base material together with the doping of hydrochloride (HCl), dodecylbenzenesulfonic acid (DBSA), the aminosulfonic acid (NH2SO3H ) aqueous solution were prepared. The influences of PVA content, acid content, oxidant content, reaction time and drying temperature of film on the conductivity of coating film were studied. The result shows that the conductivity of HCl-PANI-PVA coating film is the highest among them in case the PVA content is 40% and the drying temperature of film is 80°C. The maximum conductivity of HCl-PANI-PVA coating film is 15.0S/cm in case the C(HC1)=0.5mol/L, the reaction time is 6 hours and the n(APS/An)=1.0; the maximum conductivity of DBSA-PANI-PVA coating film is 7.1S/cm in case the C(DBSA)=1.0mol/L, the reaction time is 8 hours and the n(APS/An)=2.0; the maximum conductivity of NH2SO3H-PANI-PVA coating film is 2.0 S/cm in case the C(NH2SO3H)=1.0mol/L, the reaction time is 6 hours and the n(APS/An)=2.0.
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