Synthesis of one pack hybrid epoxy resin emulsion for coating application

Hybrid Epoxy resin one pack system was prepared using conventional emulsion polymerization techniques. The effect of increasing the resin percentage of properties of hybrid emulsion was studied. The hybrid polymer coatings were applied on metal surface and were evaluated for physicochemical, physicomechanical and anticorrosive performance under different environmental conditions. Salt spray test and Electrochemical Impedance spectroscopy (EIS) was used to study the anticorrosive behavior of hybrid coatings. The present hybrid epoxy system was found to be stable for a long period of time. It was found that with increase in epoxy resin to acrylate monomer ratio the corrosion resistance of the coating increases but the stability of the emulsion get affected after optimized ratio

Author(s): R. N. Patil, B.V. Sharma and P. A. Mahanwar

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