Synthesis and characterisation of SiO2/POSS hybrid systems obtained using the mechanical method

• Autorzy: Szwarc K. , Siwinska-Stefanska K. , Marciniec B. , Jesionowski T.
• Języki publikacji: EN

Abstrakty

EN

Hybrid systems of silica and polyhedral oligomeric silsesquioxanes (SiO2/POSS) were obtained by the mechanical method with the use of spherical or hydrated silicas, precipitated in the emulsion or aqueous environment. The SiO2 surface was modified with the following cage silsesquioxanes: hepta(isobutyl)2-triethoxysilylethyloctasilsesquioxane, octakis ({3-glycidoxy-propyl}dimethylsiloxy)octasilsesquioxane and octakis ({3-methacryloxypropyl} dimethylsiloxy)-octasilsesquioxane. The nanofillers obtained were subjected to thorough dispersive analysis (NIBS method) and morphological analysis (transmission electron microscopy). Their wettability in water systems was evaluated and their adsorption activity was characterised by determination of the specific surface area BET, pore diameters and volume. Thermal stability of the nanofillers was checked. The effect of surface modification on the degree of coverage was assessed on the basis of elemental analysis.

Słowa kluczowe

EN

SiO2; hybrid nanofillers; polyhedral oligomeric silsesquioxanes; mechanical treatment; surface morphology

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2012
• Tom: Vol. 48, iss. 1
• Strony: 181--192
• Opis fizyczny: Bibliogr. 13 poz.

Twórcy

autor

Szwarc K.

autor

Siwinska-Stefanska K.

autor

Marciniec B.

autor

Jesionowski T.

• Poznan University of Technology, Institute of Chemical Technology and Engineering, M. Sklodowskiej-Curie 2, PL-60965, Poznan, Poland,

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