Thermal and electrical properties of nanocomposite poly o-anisidine/metal oxides

Poly o-anisidine (POA) was prepared by chemical oxidation polymerization, and the nanocomposite of this polymer was mixed with different nanopowder metal oxides. The size and morphology of these synthesized POA/nanocomposites were shown using a transmission electron microscope (TEM). Fourier-transform infrared (FTIR) spectroscopy has been used to investigate the microstructure of the synthesized POA/nanocomposites. Thermal stability thermogravimetric analysis (TGA) and electrical conductivity of POA/nanocomposites were studied in the temperature range 40–120°C. It was found that the nanopowder metal oxides improve the thermal stability of POAs, except TiO2, while the POA/CuO nanocomposite has the most thermal stability. Also the thermal stability is increases when the temperature is increased. The POA/nanocomposites reveal enhanced conductivity compared to conventional bulk POA. The highest electrical conductivity is obtained when the polymer mixes with CuO.

[1]  Sahar M. Ahmed,et al.  Synthesis of polyaniline nanostructures in micellar solutions , 2012 .

[2]  Mengxiao Sun,et al.  Preparation and antibacterial activities of polyaniline/Cu0.05Zn0.95O nanocomposites. , 2012, Dalton transactions.

[3]  S. Mhaske,et al.  Composite microspheres of poly(o-anisidine)/TiO2 , 2012 .

[4]  Dewyani Patil,et al.  Investigation of poly(o-anisidine)-SnO2 nanocomposites for fabrication of low temperature operative liquefied petroleum gas sensor , 2011 .

[5]  H. Eisazadeh,et al.  Fabrication and characterization of polyaniline nanocomposite modified with Ag2O nanoparticles , 2011 .

[6]  Young Kyu Hwang,et al.  Poly(o-anisidine)–tin oxide nanocomposite: Synthesis, characterization and application to humidity sensing , 2010 .

[7]  L. Ai,et al.  A novel poly(o-anisidine)/CoFe2O4 multifunctional nanocomposite: Preparation, characterization and properties , 2010 .

[8]  Anish Khan,et al.  Synthesis, characterization and electrical conductivity measurement studies of poly-o-anisidine Sn(IV) phosphate [POASn(IV)P] nano-composite cation-exchange material , 2009 .

[9]  J. Alam,et al.  Corrosion-protective performance of nano polyaniline/ferrite dispersed alkyd coatings , 2008 .

[10]  Bai Jie,et al.  Synthesis and characterization of conductive polyaniline/TiO2 composite nanofibers , 2007 .

[11]  C. Alemán,et al.  Marine paint fomulations: Conducting polymers as anticorrosive additives , 2007 .

[12]  Milind V. Kulkarni,et al.  Spectroscopic, thermal and electrical properties of sulphonic acids doped poly(o-anisidine) and their application as humidity sensor , 2005 .

[13]  J. Laco,et al.  Corrosion protection of carbon steel with thermoplastic coatings and alkyd resins containing polyaniline as conductive polymer , 2005 .

[14]  Jian Xu,et al.  Formation of Gold Nanoparticles in the Presence of o-Anisidine and the Dependence of the Structure of Poly(o-anisidine) on Synthetic Conditions , 2002 .

[15]  Rahul Patil,et al.  Effect of protonation media on chemically and electrochemically synthesized polyaniline , 2000 .

[16]  K. Ogura,et al.  Investigation of Some Physicochemical Properties of Camphor Sulfonic Acid (CSA)-Doped Poly(o-anisidine) (PoAN) and CSA-Doped PoAN/ABS Composites , 1999 .

[17]  K. Ogura,et al.  Thermogravimetric/Mass and Infrared Spectroscopic Properties and Humidity Sensitivity of Polyaniline Derivatives/Polyvinyl Alcohol Composites , 1998 .

[18]  Masaharu Nakayama,et al.  The humidity dependence of the electrical conductivity of a solublepolyaniline–poly(vinyl alcohol) composite film , 1997 .

[19]  A. Contractor,et al.  Applications of conducting polymers as sensors , 1994 .

[20]  S. Umare,et al.  Studies on poly(o-methoxyaniline) , 1992 .

[21]  M. Koseki,et al.  Polyaniline as an electrode of rechargeable battery , 1989 .

[22]  Alan G. MacDiarmid,et al.  Polyaniline: Electrochemistry and application to rechargeable batteries , 1987 .

[23]  Antonio J. Ricco,et al.  Resistance of polyaniline films as a function of electrochemical potential and the fabrication of polyaniline-based microelectronic devices , 1985 .

[24]  Rm Wie.  Spectrometric Identification of Organic Compounds , 1974 .

[25]  T. Blackburn.  Modern Methods of chemical Analysis , 1969 .