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Pyrolysis of poly[2,4,6-tri(methylamino)borazine] and its conversion into BN fibers

Abstract : The pyrolysis process of poly[2,4,6-tri(methylamino)borazine]-based fibers has been studied in detail. The condensation of polymer leads to infusible fibers with a three-dimensional polymeric network from 70 to 400 °C. A polymer–mineral transition occurs since 400 to give amorphous hydrogenated fibers at 1000 °C. The chemical conversion process is complete at 1400 °C and the BN fibers crystallize up to 1800 °C. The pyrolysis process of poly[2,4,6-tri(methylamino)borazine]-based fibers has been studied in detail. The condensation of polymer leads to infusible fibers with a three-dimensional polymeric network from 70 to 400 °C. A polymer–mineral transition occurs since 400 to give amorphous hydrogenated fibers at 1000 °C. The chemical conversion process is complete at 1400 °C and the BN fibers crystallize up to 1800 °C.
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https://hal-cnrs.archives-ouvertes.fr/hal-02617058
Contributor : Samuel Bernard <>
Submitted on : Monday, May 25, 2020 - 9:49:00 AM
Last modification on : Saturday, June 13, 2020 - 7:34:06 AM

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Samuel Bernard, D. Cornu, P. Miele, H Vincent, J Bouix. Pyrolysis of poly[2,4,6-tri(methylamino)borazine] and its conversion into BN fibers. Journal of Organometallic Chemistry, Elsevier, 2002, 657 (1-2), pp.91-97. ⟨10.1016/S0022-328X(02)01543-7⟩. ⟨hal-02617058⟩

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