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Reaction Kinetics for the Hydrolysis of Titanium Isopropoxide Carboxylate Complexes

Published online by Cambridge University Press:  25 February 2011

Charles D. Gagliardi ,
Dilum Dunuwila ,
Beatrice A. Van Vlierberge-Torgerson  and
Kris A. Berglund
Charles D. Gagliardi
Affiliation:
Michigan State University, Department of Chemical Engineering, East Lansing, MI 48824.
Dilum Dunuwila
Affiliation:
Michigan State University, Department of Chemical Engineering, East Lansing, MI 48824.
Beatrice A. Van Vlierberge-Torgerson
Affiliation:
Michigan State University, Department of Chemical Engineering, East Lansing, MI 48824.
Kris A. Berglund
Affiliation:
Michigan State University, Department of Chemical Engineering, East Lansing, MI 48824. Michigan State University, Department of Agricultural Engineering, East Lansing, MI 48824.
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Abstract

Titanium alkoxides modified by carboxylic acids have been widely studied as the molecular precursors to ceramic materials. These alkoxide complexes have also been very useful in the formation of stable, porous, optically clear films having many novel applications such as chemical sensors, catalytic supports, and ion-exchange media. To improve the processing of these materials, it is essential to better understand the kinetics of the chemical transformations which occur.

The kinetics of the hydrolysis reaction are studied for selected carboxylic acids using Raman spectroscopy to probe the chemistry of the process. The study has a special emphasis on the titanium isopropoxide-valeric acid system due to the superior quality of these films over other carboxylates. Greater knowledge of the hydrolysis kinetics allows increased control over the quality of the film materials and should be of general interest to those working with modified metal alkoxides.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 271: Symposium N – Better Ceramics Through Chemistry V , 1992 , 257
Copyright
Copyright © Materials Research Society 1992

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References

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