Facile fabrication of single-component flame-retardant epoxy resin with rapid curing capacity and satisfied thermal resistance
Article
Zhao, ZeKun, Wang, Jun, Wang, Jingsheng, Chen, Kaiwen, Zhang, Bin, Chen, Qiufei, Guo, Pengzong, Wang, Xiao, Liu, Fu, Huo, Siqi and Yang, Shuang. 2022. "Facile fabrication of single-component flame-retardant epoxy resin with rapid curing capacity and satisfied thermal resistance." Reactive and Functional Polymers. 170. https://doi.org/10.1016/j.reactfunctpolym.2021.105103
Article Title | Facile fabrication of single-component flame-retardant epoxy resin with rapid curing capacity and satisfied thermal resistance |
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ERA Journal ID | 1702 |
Article Category | Article |
Authors | Zhao, ZeKun, Wang, Jun, Wang, Jingsheng, Chen, Kaiwen, Zhang, Bin, Chen, Qiufei, Guo, Pengzong, Wang, Xiao, Liu, Fu, Huo, Siqi and Yang, Shuang |
Journal Title | Reactive and Functional Polymers |
Journal Citation | 170 |
Number of Pages | 9 |
Year | 2022 |
Publisher | Elsevier |
ISSN | 1381-5148 |
1873-166X | |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.reactfunctpolym.2021.105103 |
Web Address (URL) | https://www.sciencedirect.com/science/article/abs/pii/S1381514821002959 |
Abstract | With the increasing demand of industry, the fabrication of single-component epoxy (EP) systems with satisfactory flame retardancy and thermal stability is of great significance. Herein, a novel phosphorus/nitrogen-containing single-component EP (EP/DOPO/BDM/BICP) system was synthesized via incorporating N,N′-bismaleimide-4,4′-diphenylmethane (BDM), benzimidazolyl-substituted cyclotriphosphazene (BICP) and 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) into EP. In our previous work, we found that DOPO could promote the decomposition of BICP to produce dissociative benzimidazoles under heating, which endowed the as-fabricated epoxy thermoset with rapid curing speed. However, the addition of DOPO reduced the glass transition temperature (Tg) of epoxy thermosets. To deal with this problem, bismaleimide with superior heat resistance was added. The results indicated that the addition of BDM improved the thermal stability, flame retardancy and smoke suppression of EP/DOPO/BDM/BICP. The obtained thermoset exhibited UL94 V-0 rating, limiting oxygen index (LOI) of 40.5% and low total smoke production (TSP) of 10.4 m2 due to the synergetic flame-retardant effect of phosphaphenanthrene, polybismaleimide and cyclotriphosphazene. This research offers a viable approach to develop single-component EPs with improved flame retardancy, thermal stability and rapid-curing ability. © 2021 Elsevier B.V. |
Keywords | Bismaleimide |
ANZSRC Field of Research 2020 | 401609. Polymers and plastics |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Wuhan University of Technology, China |
Wuhan Textile University, China | |
Zhongfu Shenying Carbon Fiber, China | |
NingboTech University, China | |
Zhejiang University, China |
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