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Citation: Zhang Guangyou, Chen Zhaohui, Xiang Yiangchun. Pyrolysis of Polyborazinylamine Precursors of Boron Nitride Ceramics[J]. Chinese Journal of Applied Chemistry, ;1996, 13(3): 111-112. shu

Pyrolysis of Polyborazinylamine Precursors of Boron Nitride Ceramics

1.
Department of Materials Engineering and Applied Chemistry, National University of De fence Technology, Changsha 410073

Received Date: 21 July 1995
Available Online: 29 December 1995
Fund Project:

The pyrolysis of polyborazinylamine precursors leading to boron nitride(BN)ceramics has been studied by means of DTA-TG-GC,FTIR and XRD.The results show that the pyrolysis starts at 180℃ and the loss of 60% weight mainly occurs under 600℃.N₂, NH₃ and HCl are given off during pyrolysis and h-BN ceramics are obtained at 1600℃.
- boron nitride,
- polyborazinylamine,
- pyrolysis
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