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  4. Formation and properties of chelated aluminumalkoxides
 
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1989
Conference Paper
Title

Formation and properties of chelated aluminumalkoxides

Abstract
Chelated aluminumalkoxides have been prepared from the reaction of aluminum-secbutoxide with acetylacetone (AcAc) or ethylacetoacetate (EAA) in different alkoxide/chelating agent molar ratios. These compounds have been used to study the possibility of controlling the rate of hydrolysis of aluminumalkoxides and/or the polycondensation of the related hydroxides. Hydrolysis was followed by NIR-spectroscopy and showed no differences for chelated aluminum-secbutoxide and the pure alkoxide. In contrast the polycondensation of aluminumhydroxides chelated with ethylacetoacetate decreased remarkably and depends on the alkoxide/chelating agent molar ratio.
Author(s)
Naß, R.
Schmidt, H.
Mainwork
Ceramic Powder Processing Science  
Conference
International Conference of Ceramic Powder Processing Science 1988  
Language
English
Fraunhofer-Institut für Silicatforschung ISC  
Keyword(s)
  • aluminiumalkoxide

  • Hydrolyse

  • polycondensation

  • sol-gel

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