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Thermal Decomposition of a Copolymer of Methylcyclosiloxanes and Methylcyclosilazanes to Non-Oxide Ceramics

Published online by Cambridge University Press:  22 February 2011

Ga-Er Yu ,
Dudley Finch ,
Mohan Edirisinghe ,
John Parrick ,
Brian Ralph  and
David Clarkc
Ga-Er Yu
Affiliation:
Department of Materials Technology, Brunel University, Uxbridge, Middlesex, UB8 3PH, U.K Department of Chemistry, Brunel University, Uxbridge, Middlesex, UB8 3PH, U.K
Dudley Finch
Affiliation:
Department of Materials Technology, Brunel University, Uxbridge, Middlesex, UB8 3PH, U.K
Mohan Edirisinghe*
Affiliation:
Department of Materials Technology, Brunel University, Uxbridge, Middlesex, UB8 3PH, U.K
John Parrick
Affiliation:
Department of Chemistry, Brunel University, Uxbridge, Middlesex, UB8 3PH, U.K
Brian Ralph
Affiliation:
Department of Materials Technology, Brunel University, Uxbridge, Middlesex, UB8 3PH, U.K
David Clarkc
Affiliation:
Perkin-Elmer Ltd., Post Office Lane, Beaconsfield, Buckinghamshire, HP9 IQA, U.K
*
*author to whom all correspondence should be addressed
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Abstract

A copolymer prepared using methylcyclosiloxanes and methylcyclosilazanes has been pyrolysed in N2 and a NH3/N2 mixture. Thermogravimetric analysis (TGA) in both atmospheres and thermogravimetry-Fourier transform infrared (TG-FTIR) studies in N2 are discussed. The latter results have been used to suggest a mechanism for the thermal decomposition of the copolymer.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 327: Symposium N – Covalent Ceramics II: Non-Oxides , 1993 , 201
Copyright
Copyright © Materials Research Society 1994

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