Anticorrosive additive and preparation method and application of polyaniline-coated fumed nano silica
2013
The present invention belongs to the field of coatings, in particular to a preparation method and the application of a polyaniline coated nano fumed nano silica corrosion additives. The anti-corrosion additive has a core-shell structure, a core of nanoscale silica particles, the shell of polyaniline, polyaniline uniform nano-silica particles in the gas phase surface coating thickness and corrosion additive based on the total mass of the meter, polyaniline content of 9wt% ~ 50 wt%, the conductivity of such anticorrosive additive 10-1 S · cm-1. The method of preparing anti-corrosive agents, comprising the steps of: pre-attached to aniline monomer, a polymerization reaction, after-treatment dedoping further doping. The present invention also includes the preparation of a polyaniline-coated fumed nano silica anti-corrosion coatings, anti-corrosion coatings spraying to be obtained after baking, you can get very dense, homogeneous anti-corrosion coating, effectively protect the metal.
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