EFFECTS OF P/B ON THE PROPERTIES OF WATERBORNE POLYURETHANE ANTICORROSIVE COATING
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Abstract
A waterborne anticorrosive coating has been synthesized by using waterborne polyurethane,pigment and stuffing.The pigment/binder ratio (P/B) of the coating was changed.The corrosion resistance properties of polyurethane paints were investigated by corrosion potential measurements and electrochemical impedance spectroscopy (EIS).The optimum anticorrosive protection was achieved by the coatings with P/B=08 and 1.5.
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