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

  • Ga-Er Yu (a1) (a2), Dudley Finch (a1), Mohan Edirisinghe (a1), John Parrick (a2), Brian Ralph (a1) and David Clarkc (a3)...

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.

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