Textural properties of silica-based organic-inorganic polymer hybrid xerogels

• Autorzy: Zaręba-Grodź I. , Miśta W. , Sikora A. , Gotszalk T. , Stręk W. , Hermanowicz K. , Maruszewski K.
• Konferencja: Sol-Gel Materials Research, Technology, Applications SGM'04, 6-11 june 2004
• Języki publikacji: EN

Abstrakty

EN

Samples of xerogels containing organic polymers were prepared by the sol-gel method via the reaction of tetraethoxysilane (TEOS) and organic monomers with an acidic catalyst. These materials were obtained as transparent and homogeneous bulk materials. The samples were characterized by Raman and IR spectroscopies, N2-adsorption (77 K), and atomic force microscopy (AFM). Specific surface areas and porosities of the samples were estimated from nitrogen adsorption-desorption isotherms at 77 K. Textural properties such as specific surface areas (SBET), pore volume (Vp), average pore sizes (Rp), and micropore volume (VDR) were obtained. The complete adsorption-desorption isotherms and pore size distributions were analysed following the Dollimore-Heal method. Atomic force microscopy was used to investigate the morphology and roughness of the samples.

Słowa kluczowe

EN

organic-inorganic polymer hybrid materials; sol-gel process; photopolymerisation; organically; porosity; roughness

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2005
• Tom: Vol. 23, No. 1
• Strony: 147--158
• Opis fizyczny: Bibliogr. 31 poz.

Twórcy

autor

Zaręba-Grodź I.

• Institute of Materials Science and Applied Mechanics, Wrocław University of Technology, Smoluchowskiego 25, 50-370 Wrocław, Poland

autor

Miśta W.

• Institute for Low Temperature and Structure Research, Polish Academy of Sciences, Wroclaw, Poland

autor

Sikora A.

• Laboratory of Near Field Microscopy, Nanometrics and Nanostructures, Wroclaw University of Technology, Wroclaw, Poland

autor

Gotszalk T.

• Laboratory of Near Field Microscopy, Nanometrics and Nanostructures, Wroclaw University of Technology, Wroclaw, Poland

autor

Stręk W.

• Institute for Low Temperature and Structure Research, Polish Academy of Sciences, Wroclaw, Poland

autor

Hermanowicz K.

• Institute for Low Temperature and Structure Research, Polish Academy of Sciences, Wroclaw, Poland

autor

Maruszewski K.

• Institute of Materials Science and Applied Mechanics, Wrocław University of Technology, Smoluchowskiego 25, 50-370 Wrocław, Poland

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