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Synthesis and analysis of thermal characteristics of polybenzoxazine based on phenol and 3-Amino phenyl boronic acid
Date
2019-07-12
Author
İPEK, HALİL
Hacaloğlu, Jale
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this work, 3-amino phenyl boronic acid (AB) was used as an aniline derivative in the preparation of polybenzoxazine based on phenol. In order to investigate the effect of boronic acid on thermal characteristics, polybenzoxazines based on pure aniline and 50% aniline and AB mixture were also prepared and analyzed. Significant improvements in thermal characteristics, increase in thermal stability and char yield, was recorded for the polymers based on AB or its mixture. This behavior was associated with crosslinked structures generated by condensation reactions of B Symbol of the Klingon Empire OH groups. Morphologic and thermal characteristics of polybenzoxazines samples were investigated by NMR, FTIR, DSC, TGA, and direct pyrolysis mass spectrometry (DP-MS) techniques. Application of DP-MS technique also supplied additional information on crosslinked structures produced by boronic acid units. (c) 2019 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2019
Subject Keywords
Aromatic boronic acid
,
Direct pyrolysis mass spectrometry
,
Mass spectrometry
,
Polybenzoxazine
,
Synthesis
,
Thermal characteristics
,
Thermal properties
URI
https://hdl.handle.net/11511/30749
Journal
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
DOI
https://doi.org/10.1002/pola.29437
Collections
Graduate School of Natural and Applied Sciences, Article