Flame-retardant behaviors of aluminum phosphates coated sepiolite in epoxy resin

IF 1.9 4区 工程技术 Q2 ENGINEERING, MULTIDISCIPLINARY
Wei Yan, P. Xie, Zhengwei Yang, G. Luo, Weijiang Huang, Qin Tian, Chun I. Tu, Chunmei Zhang, Chunlin Yang, Kui Wang
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引用次数: 10

Abstract

Aluminum phosphates coated sepiolite nanocomposite was fabricated via a simple one-pot heterogeneous precipitation strategy, and the effects of aluminum phosphates on the morphology of aluminum phosphates coated sepiolite were investigated. Moreover, the effect of aluminum phosphates coated sepiolite on the flame-retardant behavior, mechanical properties, and thermal stability of epoxy resin have been discussed. The results indicated that the introduction of only 20 wt% aluminum phosphates coated sepiolite in epoxy resin increased the limited oxygen index from 21.8% to 30.1%, thus the material met the UL-94 V-0 rating. Thermogravimetric analyses revealed that char yield increased in the presence of aluminum phosphates coated sepiolite form thermally stable carbonaceous char. Aluminum phosphates–coated sepiolite could improve the mechanical performance, thermal stability of epoxy resin.
环氧树脂中磷酸铝包覆海泡石的阻燃性能
采用简单的一锅非均相沉淀法制备了磷酸铝包覆海泡石纳米复合材料,并研究了磷酸铝对磷酸铝包覆海泡石形貌的影响。此外,还讨论了磷酸铝包覆海泡石对环氧树脂阻燃性能、力学性能和热稳定性的影响。结果表明,在环氧树脂中加入20%的磷酸铝包覆海泡石,使材料的极限氧指数由21.8%提高到30.1%,达到UL-94 V-0的要求。热重分析表明,在磷酸铝包覆海泡石的存在下,炭产率增加,形成热稳定的碳质炭。磷酸铝包覆海泡石可以提高环氧树脂的力学性能和热稳定性。
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来源期刊
Journal of Fire Sciences
Journal of Fire Sciences 工程技术-材料科学:综合
CiteScore
4.00
自引率
0.00%
发文量
14
审稿时长
2.5 months
期刊介绍: The Journal of Fire Sciences is a leading journal for the reporting of significant fundamental and applied research that brings understanding of fire chemistry and fire physics to fire safety. Its content is aimed toward the prevention and mitigation of the adverse effects of fires involving combustible materials, as well as development of new tools to better address fire safety needs. The Journal of Fire Sciences covers experimental or theoretical studies of fire initiation and growth, flame retardant chemistry, fire physics relative to material behavior, fire containment, fire threat to people and the environment and fire safety engineering. This journal is a member of the Committee on Publication Ethics (COPE).
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