Synergistic Flame Retardant Effect of Organic Boron Flame Retardant and Aluminum Hydroxide on Polyethylene 


Vol. 22,  No. 2, pp. 354-365, Feb.  2021
10.1007/s12221-021-9385-6


  Abstract

This study aimed to develop an organic/inorganic synergistic flame retardant on polyethylene (PE). Hexakis-(4- boronic acid-phenoxy)-cyclophosphazene (CP-6B) was used as organic flame retardant to improve the flame retardant efficiency of aluminum hydroxide (ATH) on PE. The limiting oxygen index (LOI) value of PE/20 %ATH/20 %CP-6B reached 27.0 %, and vertical burning (UL 94) V-0 rating was attained. The peak heat release rate (pk-HRR) of PE/20 %ATH/ 20 %CP-6B was 33.7 % and 75.5 % of pure PE and PE/40 %ATH, respectively. The flame retardant mechanism of PE composites was also investigated using scanning electron microscopy (SEM), energy dispersive X-ray (EDX), X-ray diffraction (XRD), muffle furnace, Fourier transform infrared (FTIR), and Pyrolysis-gas chromatography-mass spectrometry (PY-GC-MS). The results showed that ATH/CP-6B was an efficient flame retardant, which was effective in the gas phase and condensed phase simultaneously. CP-6B improved the flame retardant efficiency of PE/ATH and reduced the effect of ATH on the mechanical properties of PE.

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  Cite this article

[IEEE Style]

L. Ai, S. Chen, L. Yang, P. Liu, "Synergistic Flame Retardant Effect of Organic Boron Flame Retardant and Aluminum Hydroxide on Polyethylene," Fibers and Polymers, vol. 22, no. 2, pp. 354-365, 2021. DOI: 10.1007/s12221-021-9385-6.

[ACM Style]

Lianghui Ai, Shanshan Chen, Liu Yang, and Ping Liu. 2021. Synergistic Flame Retardant Effect of Organic Boron Flame Retardant and Aluminum Hydroxide on Polyethylene. Fibers and Polymers, 22, 2, (2021), 354-365. DOI: 10.1007/s12221-021-9385-6.

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