Microstructural and mechanical properties of sono-ormosils

被引：0
|
作者：
Blanco, E. [1 ]
García-Hernández, M. [2 ]
Jiménez-Riobóo, R. [2 ]
Litrán, R. [1 ]
Prieto, C. [2 ]
Ramírez-del-Solar, M. [1 ]
机构：
[1] Depto. Fis. de la Materia Condensada, Universidadde Cádiz, Apartado 40, 11510-Puerto Real, Cádiz, Spain
[2] Inst. de Cie. de Mat. de Madrid, C.S.I.C., Cantoblanco, E-28049-Madrid, Spain
来源：
Journal of Sol-Gel Science and Technology | 1999年 / 13卷 / 1-3期
关键词：
Adsorption isotherms - Attenuation - Desorption - Estimation - Mathematical models - Microstructure - Morphology - Polycondensation - Polymerization - Pore size - Thin films;
D O I：
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中图分类号：
学科分类号：
摘要：
Monolithic pieces and films of ormosils were obtained from ultrasound-assisted polycondensation of tetraethoxysilane (TEOS) and polydimethylsiloxane (PDMS). These sono-ormosils were studied by means of high resolution Brillouin spectroscopy and their textures analyzed from adsorption isotherms. Evidence is given for the occurrence of organic and inorganic micro-phase separation in samples with high polymer concentrations. Nitrogen isotherms show that the texture of the samples is highly dependent on the composition.
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页码：451 / 455
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