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Hydrophilically Modified Silicones in the Nanoparticle Suspensions (CROSBI ID 675972)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Marković, Berislav ; Filipović, Nikolina ; Brdarić, Jelena Hydrophilically Modified Silicones in the Nanoparticle Suspensions // Bulletin of the Chemists and Technologists of Bosnia and Herzegovina / Korać, Fehim - Sarajevo : Society of Chemists and Technologists of Canton Sarajevo, 2016, 75-75. 2016. str. 75-75

Podaci o odgovornosti

Marković, Berislav ; Filipović, Nikolina ; Brdarić, Jelena

engleski

Hydrophilically Modified Silicones in the Nanoparticle Suspensions

The silicones are synthetic polymeric materials of special type that combine the properties of inorganic and organic polymers. As with all materials, silicones have certain inherent properties (low reactivity, low compatibility with water and a small solubility in polar and non-polar solvents), which limit their application. In order to expand the possibility of their use in a variety of complex systems (suspensions, emulsions), hydrophobic silicones are chemically modified by grafting hydrophilic groups in the molecule. These modified silicones have to adsorb at the interfaces (liquid / liquid, liquid / solid), thus enabling system stabilization (dispersion). The aim of this work is to examine the influence of the small molecular weight hydrophilically modified silicones on the properties (stability) of the nanoparticle (TiO2 and ZnO) suspensions. Several hydrophilically modified silicones from various manufacturers (Elkay® Silicones, Dow Corning Xiameter®) were characterized (viscosity) in aqueous solutions at different pH values, and in a three non- polar solvents (DMSO, ethanol, hexane). Acoustic spectroscopy was used to examine the influence of silicone addition on the suspension properties (particle size, ζ- potential), and the absorption onto the nanoparticles was tested by thermogravimetry. The results confirm the potential use of hydrophilically modified silicones in dispersed systems.

Silicones ; nanoparticle suspensions ; acoustic spectroscopy

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Podaci o prilogu

75-75.

2016.

objavljeno

Podaci o matičnoj publikaciji

Bulletin of the Chemists and Technologists of Bosnia and Herzegovina / Korać, Fehim - Sarajevo : Society of Chemists and Technologists of Canton Sarajevo, 2016, 75-75

Podaci o skupu

2nd International Congress of Chemists and Chemical Engineers of Bosnia and Herzegovina.

poster

21.10.2016-23.10.2016

Sarajevo, Bosna i Hercegovina

Povezanost rada

nije evidentirano