期刊
POLYMER
卷 122, 期 -, 页码 258-269出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2017.06.075
关键词
Polybenzoxazine; Furfurylamine; Hydrogen-bonding; Bio-based
资金
- National Natural Science Foundation of China (NSFC) [51373194]
- National Key Technology Support Program [2015BAD15B08]
- Chinese MIIT Special Research Plan on Civil Aircraft [MJ-2015-H-G-103]
- European Union's Horizon research and innovation program [690638]
A high performance polybenzoxazine derived from bio-based furfurylamine was synthesized in an efficient and straightforward way. For comparison, its petroleum-based analogue was also prepared from 4, 4-diaminodiphenylmethane (DDM). The chemical structures of the precursors were confirmed by Nuclear Magnetic Resonance Spectroscopy (H-1-NMR and C-13-NMR) and Fourier Transform Infrared Spectroscopy (FT-IR). After the curing reaction was investigated by Differential Scanning Calorimetry (DSC) and FT-IR in detail, the thermal and mechanical properties of the cured resins were studied by Dynamic Mechanical Analysis (DMA) and Thermogravimetric Analysis (TGA). Results demonstrated that the polybenzoxazine based on furfurylamine (BZ-F) possessed higher glass transition temperature (270 degrees C) and better thermal stability associated with higher charring ability when compared with the one (BZ-DDM) derived from DDM, which might be attributed to the stronger hydrogen bonding interaction in the BZ-F system and the post-curing reaction on furan ring above 280 degrees C. In this paper, the hydrogen bonding effect on the properties of polybenzoxazine has been especially studied, which might give us a guidance to design and synthesize the polybenzoxazine with high performance. (C) 2017 Elsevier Ltd. All rights reserved.
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