Effect of different structured TiO2 particle on anticorrosion properties of waterborne epoxy coatings. (3rd July 2016)

• Record Type: Journal Article
• Authors: Wang, N.; Fu, W.; Sun, M.; Zhang, J.; Fang, Q.
• Is Part Of: Corrosion engineering, science, and technology. Volume 51:Number 5(2016)
• Page Start: 365
• Page End: 372
• Publication Date: 2016-07-03
• Subjects: Corrosion -- Mesoporous TiO2 (meso-TiO2) -- Nano-composite -- Waterborne epoxy (EP) -- EIS; Corrosion and anti-corrosives -- Periodicals; 620.11223
• DOI: 10.1080/1478422X.2015.1117267
• Languages: English
• ISSNs: 1478-422X

Abstract

Abstract : Anticorrosion properties of waterborne epoxy coatings with three structured nano-particles of TiO2 were investigated and compared. The surface morphology and structure of TiO2 have been analysed by XRD, SEM and N2 adsorption–desorption. Corrosion performance of the nano-composite coating was investigated employing electrochemical impedance spectroscopy and salt spray test. Coatings with mesoporous TiO2 (meso-TiO2 ) possessed the best corrosion performance among the coating specimens. The EIS results show that the resistance value of coating with meso-TiO2 was above 5.4 × 10 8 Ω cm 2 which was higher than the other nano-composite coatings. Possible strong interactions between polymeric matrix and meso-TiO2 caused high barrier properties.