First synthesis of imine terminated silica nanoparticles, by dipping amine silica nanoparticles in acetone at ambient pressure and temperature. The volume of the gels was retained by supercritical CO2 drying, The Imine terminated silica nanoparticles can coordinate with Transition metal ions to change their body color through Schiff base mechanism, The imine silica nanoparticles can be mixed with acrylic primer and coated on steel structures to detect and inhibit the corrosion of steel structures, The conventional tedious synthesis of dyes based on Schiff base can be eliminated and replaced through this simple and effective synthetic scheme, In addition to its fascinating corrosion sensing properties, imine silica nanoparticles can act as corrosion inhibitor for protecting steel structures.
Central Electrochemical Research Institute (CECRI)
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