Abstract
In this work, Poly o-anisidine nanoparticles was prepared by using cationic surfactant. Poly o-anisidine nanoparticles/ nanocomposites filled with constant content 1.0 wt% of Ag2O, ZnO, CuO and TiO2 powder have been prepared. The sample microstructure was established by FTIR spectroscopy and transmission electron microscopy. The thermal properties, sulfate reducing bacteria and electrical conductivity were investigated. The influence of the inorganic nanoparticles on the thermo stability of poly o-anisidine nanoparticles is very complicated. It was found that POA/Ag2O nanocomposite microspheres have good effects to sulfate reducing bacteria than POA nanoparticle. The value of the electrical conductivity, σ, of the nanocomposites was investigated. It was found that the poly o-anisidine nanoparticles was improved by adding metal oxides which converted the polymer nanoparticles from insulator behaviour 10-16(S/cm) to semiconductor behaviour 10-11(S/cm) in case of POA/Ag2O and 10-12 (S/cm) in case of POA/ZnO. The conductivity was increased by increasing the temperature.
Highlights
Among conducting polymers; polyaniline and its derivatives have attracted much attention due to its ease of synthesis; by chemical or electrochemical polymerization; ammonium persulfate is generally used as the oxidizing agent for the preparation
The present paper described optimized conditions for a successful formation of PNMA microspheres by a simple chemical polymerization method using monomer; acid; and oxidant without any templates
A poly-o-anisidine nanoparticles was prepared in presence of cationic surfactant N-dodecyloxycarbonylmethyl-N-triethanol ammonium chloride
Summary
Among conducting polymers; polyaniline and its derivatives have attracted much attention due to its ease of synthesis; by chemical or electrochemical polymerization; ammonium persulfate is generally used as the oxidizing agent for the preparation. A novel poly (o-anisidine) (POA)/CoFe2O4 nanocomposite was synthesized by a facile in situ polymerization of o-anisidine in the presence of CoFe2O4 nanoparticles which were obtained by a simple refluxing process in ethylene glycol [7] Their properties depend on the synthesis conditions such as type of supporting electrolyte; reagent concentration; applied potential; type of solvent and pH of polymerization bath [8,9]. Polyaniline and its derivatives are mainly used as coating to improve the corrosion resistance of oxidizable metals These coatings have been considered for several applications such as the electronic industry; biosensor applications [10,11,12,13,14,15,16]. ; the role of structural and mechanical behaviour of polyaniline and its derivatives for their applications to biosensor has not yet been explored [17]
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