Synthesis and ceramic conversion of a new oligomeric precursor to boron nitride | Zendy

Dong Shaohua | Zendy; Zhao Tong | Zendy; Xu Caihong | Zendy

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Synthesis and ceramic conversion of a new oligomeric precursor to boron nitride

Author(s) -

Dong Shaohua,

Zhao Tong,

Xu Caihong

Publication year - 2011

Publication title -

polymers for advanced technologies

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.61

H-Index - 90

eISSN - 1099-1581

pISSN - 1042-7147

DOI - 10.1002/pat.1786

Subject(s) - x ray photoelectron spectroscopy , materials science , oligomer , boron nitride , scanning electron microscope , transmission electron microscopy , pyrolytic carbon , ceramic , chemical engineering , pyrolysis , residue (chemistry) , boron , solubility , nuclear chemistry , analytical chemistry (journal) , polymer chemistry , organic chemistry , composite material , nanotechnology , chemistry , engineering

A new polyaminoborazine with good solubility was synthesized by ammonolysis reaction of a mixture of B‐chloroborazine, B‐bischloroborazine, and B‐trichloroborazine under mild condition. The oligomer was easily cured at 250°C. The pyrolytic residue of the cured oligomer was investigated with X‐ray photoelectron spectroscopy (XPS), powder X‐ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and thermal gravimetric analysis (TGA). The results indicated that crystalline h ‐BN with B/N ratio of 1:1.01 is main in the residue pyrolyzed at 1500°C. Copyright © 2010 John Wiley & Sons, Ltd.

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