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PROCESO SOL-GEL

Hidrólisis. Condensación. Esqueleto del óxido. PROCESO SOL-GEL. Alcóxido metálico. HIDRÓLISIS. M(OR) n + H 2 O . M(OH)(OR) n-1 + ROH. M = Si, Ti, Zr, Al, Mg. O. CONDENSACIÓN. + H 2 O. M. M. (OR) n-1. (OR) n-1. (OR) n-2. O. OH. (OR) n-1. +. + ROH. M. M. M. M.

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PROCESO SOL-GEL

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  1. Hidrólisis Condensación Esqueleto del óxido PROCESO SOL-GEL Alcóxido metálico

  2. HIDRÓLISIS M(OR)n + H2O  M(OH)(OR)n-1 + ROH M = Si, Ti, Zr, Al, Mg

  3. O CONDENSACIÓN + H2O M M (OR)n-1 (OR)n-1 (OR)n-2 O OH (OR)n-1 + + ROH M M M M (OR)n-1 OH (OR)n-1 OH OH HO + M M (OR)n-1 (OR)n-1 Eliminación de moléculas de agua Eliminación de moléculas de alcohol

  4. Sol (10-10000 Å) Gel Enveje- cimiento Secado Tratam. térmico Óxido Alcóxido

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