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Nonisometric pigments in coating for the corrosion protection of metals
Tamchynová, P. ; Kalendová, A. ; Štengl, Václav ; Kváča, Zdeněk
The paper deals with various types of nonisometric pigments and the effect therof on the protection coating materials properties. New type of lamellar pigments is the surface treated mica-muscovite, which forms the proper core or the layer carrier. At the carrier surface a layer of ferric oxide-hematite is formed. The contribution of these lamellar pigments is evaluated from the adhesion-barrier efficiency point of view or, maybe, the anticorrosion efficiency thereof in coating materials.
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Nanosized particles of oxides and oxide-hydroxides of Mg, Al, Ti
Šubrt, Jan ; Štengl, Václav ; Svobodová, Monika ; Bezdička, Petr ; Kváča, Zdeněk ; Večerníková, Eva ; Bakardjieva, Snejana
Nanosized particles of oxides and oxide-hydroxides of Mg, Al, Ti and Fe were prepared from organic precursors and by homogeneous precipitation of aqueous solutions. The oxide-hydroxides were dried using the 'Critical point drying' method and were characterized by SEM, TEM, electron diffraction, XRD and also by methods of thermal analysis.
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Application of mica based pigments
Štengl, Václav ; Kalendová, A. ; Trojan, M.
Properties of sandwich pigments based on mica coated with metal oxide layers are described. Various mica types were characterized and used for pilot plant scale synthesis of pigments. Paints containing this kind of pigments were formulated and tested anticorrosive coatings. Synthesis and characterization of some thermally stable pigments based on mixed metal oxides is also described.
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