Enhanced flame retardant efficiency of in-situ polymerizing barium phenolic resin modified with carbon nanotubes

Yang Wang; Guoqiang Chai; Guoqing Zhu; Yinan Sun

doi:10.1088/2053-1591/abad06

Materials Research Express (Jan 2020)

Enhanced flame retardant efficiency of in-situ polymerizing barium phenolic resin modified with carbon nanotubes

Yang Wang,
Guoqiang Chai,
Guoqing Zhu,
Yinan Sun

Affiliations

Yang Wang: ORCiD; Jiangsu Key Laboratory of Fire Safety in Urban Underground Space, China University of Mining and Technology , Xuzhou 221116, People’s Republic of China; Public Safety and Fire Engineering Institute, China University of Mining and Technology , Xuzhou 221116, People’s Republic of China; School of Safety Engineering, China University of Mining and Technology , Xuzhou221116, People’s Republic of China
Guoqiang Chai: Jiangsu Key Laboratory of Fire Safety in Urban Underground Space, China University of Mining and Technology , Xuzhou 221116, People’s Republic of China; Public Safety and Fire Engineering Institute, China University of Mining and Technology , Xuzhou 221116, People’s Republic of China; School of Safety Engineering, China University of Mining and Technology , Xuzhou221116, People’s Republic of China
Guoqing Zhu: Jiangsu Key Laboratory of Fire Safety in Urban Underground Space, China University of Mining and Technology , Xuzhou 221116, People’s Republic of China; Public Safety and Fire Engineering Institute, China University of Mining and Technology , Xuzhou 221116, People’s Republic of China; School of Safety Engineering, China University of Mining and Technology , Xuzhou221116, People’s Republic of China
Yinan Sun: Jiangsu Key Laboratory of Fire Safety in Urban Underground Space, China University of Mining and Technology , Xuzhou 221116, People’s Republic of China; Public Safety and Fire Engineering Institute, China University of Mining and Technology , Xuzhou 221116, People’s Republic of China; School of Safety Engineering, China University of Mining and Technology , Xuzhou221116, People’s Republic of China

DOI: https://doi.org/10.1088/2053-1591/abad06
Journal volume & issue: Vol. 7, no. 8
p. 085602

Abstract

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In order to study the flame retardant properties of hydroxylated multi-walled carbon nanotubes (MWCNTs-OH) modified barium phenolic resin (PR), MWCNTs-OH modified PR composites was prepared by in situ polymerization method. Thermal stability and flame retardancy of PR composites were studied by oxygen index (OI), thermo gravimetric(TG) analyzer, cone calorimeter and thermal field emission scanning electron microscope (FESEM). The results showed the OI increased by 3.6% when 0.2 wt% MWCNTs-OH was added, and the residual carbon increased by about 6.1%. The temperature at weight loss of 20% increased by nearly 5 °C and the apparent activation energy(AAE) increased by 11.052 kJ mol ^−1 with MWCNTs-OH of 0.2 wt% at high temperature stage. And pHRR of the sample decreased by 21.4%; time to ignition was delayed by 20 s. The proper amount of MWCNTs-OH could promote the formation of carbon layer during the pyrolysis of PR so to strengthen the ability to block heat transfer to improve the flame retardancy.

Published in Materials Research Express

ISSN: 2053-1591 (Online)
Publisher: IOP Publishing
Country of publisher: United Kingdom
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construction. Mechanics of materials; Technology: Chemical technology
Website: https://iopscience.iop.org/journal/2053-1591

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