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1
100%
EN
Studies were conducted on the modification of titanium white surface using selected silane coupling agents. The effect of the concentration of the organic coupling agents was examined (0.5; 1 or 3 weight parts per 100 weight parts of TYTANPOL R-003, TYTANPOL R-211 or TYTANPOL R-213 preparation of titanium white). The dispersive properties were determined by an estimation of the particle size distribution curves and of the polydispersity index. Moreover, microscopic observations were conducted permitting to evaluate the surface morphology of the modified TiO2 particles. The profiles of sedimentation in water were also determined for the titanium whites and the BET specific surface areas were determined. Selected samples of the modified and unmodified titanium whites were subjected to elemental analysis.
EN
Studies were conducted on the modification of titanium white surface using selected silane coupling agents. The effect of the concentration of the organic coupling agents was examined (0.5; 1 or 3 weight parts per 100 weight parts of TYTANPOL R-003, TYTANPOL R-211 or TYTANPOL R-213 preparation of titanium white). The dispersive properties were determined by an estimation of the particle size distribution curves and of the polydispersity index. Moreover, microscopic observations were conducted permitting to evaluate the surface morphology of the modified TiO2 particles. The profiles of sedimentation in water were also determined for the titanium whites and the BET specific surface areas were determined. Selected samples of the modified and unmodified titanium whites were subjected to elemental analysis.
3
Content available remote Magnesium silicates - potential adsorbents and polymer fillers
67%
EN
In the presented study two procedures were suggested for the production of synthetic magnesium silicates, based on the classical precipitation and on the precipitation in the presence of non-ionic surfactants. The obtained products were subjected to a comprehensive physicochemical analysis in order to define their application spectrum. The morphology of synthetic magnesium silicates was defined by measuring their particle diameter (using the DLS approach) and examining their surface development (using SEM). Since the magnesium silicates were potentially considered to be applied as adsorbents and fillers, their adsorptive properties were also determined. For this purpose, nitrogen adsorption/desorption isotherms were determined for the surfaces of the precipitated synthetic silicates.
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