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Hypervalent Siliconate Materials. Synthesis and Characterization of Novel Ladder and Network Ionomers

Published online by Cambridge University Press:  25 February 2011

Kenneth J. Shea ,
Douglas A. Loy  and
James H. Small
Kenneth J. Shea
Affiliation:
Department of Chemistry, University of California, Irvine, California 92717
Douglas A. Loy
Affiliation:
Sandia National Laboratories, Albuquerque, New Mexico 87185
James H. Small
Affiliation:
Department of Chemistry, University of California, Irvine, California 92717
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Abstract

The first representatives of novel materials that contain five- and six-coordinate anionie silicon are reported. Linear (or cyclic) ionomers incorporating pentacovalent siliconate were synthesized by condensation of 1,2,4,5-tetrahydroxybenzene (THB) with alkyl and aryl trialkoxysilylanes. Network ionomers that incorporate pentacovalent siliconates were formed from THB and alkyl and aryl bistrialkoxysilanes. In addition, network ionomers with hexacoordinate silicon result from condensation of TEOS and THB. Spectroscopie evidence is presented to verify the identity of the novel structural features of these materials.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 271: Symposium N – Better Ceramics Through Chemistry V , 1992 , 711
Copyright
Copyright © Materials Research Society 1992

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