Pyrolysis process for boron nitride fiber derived from tris(methylamino)borane: Evolution of the molecular structure

To provide molecular‐scale insight into the structural evolution from tris(methylamino)borane to boron nitride (BN) fiber during the chemical thermal‐treating process, polymeric green fiber is cured in hot synthetic air at 300°C and then treats to 400, 600, 800, and 1000°C in ammonia. The chemical c...

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