Abstract
Boron nitride organic polymer precursors were pyrolyzed under different carrier gases such as NH3, Ar and N2. The conversion process of BN organic polymer precursor to BN ceramic was characterized by means of TG, FTIR, and elemental analysis. Results showed that NH3 could promote conversion process which was beneficial to the occurrence of hydrolysis, crosslinking and decomposition reaction. Therefore, lower carbon residue existed and more regular inorganic structure were obtained in boron nitride precursor pyrolytic products which would be helpful to gain BN fiber with excellent wave transparent properties.
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