Adsorption of the selected organic dyes on the functionalized surface of precipitated silica via emulsion route

Stable pigments were obtained on silica core, the surface of which was modified with N-2-(aminoethyl)-3-aminopropyltrimethoxysilane. Particles of the obtained pigment manifested a spherical shape and particle size distribution proved that no agglomerate structures were present. High stability of the obtained pigments proved that the organic dye was chemically bound to the modified silica surface. Mechanisms of inorganic-organic hybrid formation were also suggested.