Abstract
Abstract Ferrite pigments were synthesized through a high-temperature process during a solid phase. Zinc ferrites were prepared from hematite, goethite, magnetite and specularite entering into reaction with zinc oxide at temperatures ranging from 650 °C up to 1,150 °C. The nature of the initial raw material, primarily the shape of its particles, affects the shape of the particles of the synthesized zinc ferrite. The formulated zinc ferrites had a rod-shape, lamellar, and/or isometric shape. The shape of the particles of synthesized zinc ferrites was studied with regard to its effects on the mechanical and corrosion resistance of organic coatings. The obtained pigments were characterized by means of X- ray diffraction analysis and scanning electron microscopy. The synthesized anticorrosion pigments were used to prepare epoxy-ester coatings and water-borne styrene-acrylate coatings that were subjected to post-application tests for physical-mechanical properties and anticorrosion properties.
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