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Molecules 2016, 21(6), 801; doi:10.3390/molecules21060801

Synthesis and Characterization of a Novel Borazine-Type UV Photo-Induced Polymerization of Ceramic Precursors

Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi’an 710129, Shaanxi, China
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Author to whom correspondence should be addressed.
Academic Editor: Kei Saito
Received: 20 March 2016 / Revised: 25 May 2016 / Accepted: 7 June 2016 / Published: 21 June 2016
(This article belongs to the Section Molecular Diversity)
View Full-Text   |   Download PDF [2686 KB, uploaded 21 June 2016]   |  

Abstract

A preceramic polymer of B,B′,B′′-(dimethyl)ethyl-acrylate-silyloxyethyl-borazine was synthesized by three steps from a molecular single-source precursor and characterized by Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR) spectrometry. Six-member borazine rings and acrylate groups were effectively introduced into the preceramic polymer to activate UV photo-induced polymerization. Photo-Differential Scanning Calorimetry (Photo-DSC) and real-time FTIR techniques were adapted to investigate the photo-polymerization process. The results revealed that the borazine derivative exhibited dramatic activity by UV polymerization, the double-bond conversion of which reached a maximum in 40 s. Furthermore, the properties of the pyrogenetic products were studied by scanning electron microscopy (SEM) and X-ray diffraction (XRD), which proved the ceramic annealed at 1100 °C retained the amorphous phase. View Full-Text
Keywords: single-source precursor; UV curing; six-membered borazine rings; X-ray methods single-source precursor; UV curing; six-membered borazine rings; X-ray methods
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Wei, D.; Chen, L.; Xu, T.; He, W.; Wang, Y. Synthesis and Characterization of a Novel Borazine-Type UV Photo-Induced Polymerization of Ceramic Precursors. Molecules 2016, 21, 801.

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