Preparation of Antistatic Organic-Inorganic Nanocomposite Coatings Based on Epoxy-Silane Containing ITO Nanoparticles

Document Type : Research Article

Authors

1 Iranian Academic Center for Education, Culture & Research (ACECR), Fars Branch, Shiraz, Iran

2 Students’ Research Committee, Department of Pharmaceutics and pharmaceutical nanotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

3 Polymer Science Department, Faculty of Science, Iran Polymer and Petrochemical Institute,Tehran, Iran.

/amnc.2016.4.16.3

Abstract

Several nanocomposite hybrid coatings based on epoxy-silane containing various amounts of Indium
Tin Oxide (ITO) nanoparticles are studied. The hybrid sols are prepared using 3-glycidyloxypropyltrimethoxysilane
(GPTMS) and tetramethoxysilane (TMOS) precursors in the presence of Ethylene
Diamine (EDA) as a curing agent by sol- gel process. The mean particles size of primary sol solution
and solution with ITO nanoparticles was obtained lower than 100 nm by Laser Light Scattering
(DLS) data. With Transtion Electron Microscopy (TEM) the cubic shape and the nanometric size of
the ITO nanoparticles in the hybrid organic-inorganic coatings are shown. The uniformly distributed of
ITO nanoparticles in polymer matrix are examined by Scanning Electron Microscopy (SEM). Also, the
thickness of hybrid coatings on glass substrates was approximately 10 μm. Evaluation of antistatic and
optical properties showed that the surface electrical resistance of coationgs was significantly reduced by
increasing the amount of the ITO nanoparticles and in the range of 1% to 2% wt. of nanoparticles, coatings
have electrical performance and high transparency (more than 80%). With Energy-dispersive X-ray
spectroscopy (EDS) analysis, the presence and appropriate distribution of silicon (Si), Indium (In), Tin
(Sn) elements in hybrid nanocomposite coatings containing ITO nanoparticles was confirmed

Keywords

References

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