Corn Stalk Biochar-Reinforced High-Density Polyethylene Material: Flame-Retardant and Anti-aging Properties 


Vol. 24,  No. 5, pp. 1771-1780, May  2023
10.1007/s12221-023-00044-8


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  Abstract

Corn stalk biochar (CSB), which was prepared from corn stalk (CS), was used to strengthen high-density polyethylene (HDPE). CSB/HDPE composite (CSBH) was prepared by extrusion. In this paper, we studied the effect of CSB on flame retardancy and aging resistance of HDPE. CSB and CSBH were characterized via scanning electron microscopy (SEM), thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), limit oxygen index tester (LOI), and miniature combustion calorimeter (MCC). The results showed that, compared with CS, the aromatization degree of CSB increased. Compared with HDPE, the anti-aging properties of CSBH were significantly improved. SEM results showed that the surface of CSBH was still smooth after 28 days of aging treatment, and the carbonyl index (CI) did not change much. With the addition of CSB, the flame-retardant properties of HDPE material were enhanced. The TGA diagram confirmed that CSB improved the stability of HDPE material. In summary, biochar is able to enhance thermal stability, flame-retardant, and anti-aging properties of biocomposites.

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  Cite this article

[IEEE Style]

Y. Wang, X. Liu, T. Lan, Q. Yang, S. Cong, Y. Lin, "Corn Stalk Biochar-Reinforced High-Density Polyethylene Material: Flame-Retardant and Anti-aging Properties," Fibers and Polymers, vol. 24, no. 5, pp. 1771-1780, 2023. DOI: 10.1007/s12221-023-00044-8.

[ACM Style]

Yazhen Wang, Xinyu Liu, Tianyu Lan, Qing Yang, Shanshan Cong, and Yuxin Lin. 2023. Corn Stalk Biochar-Reinforced High-Density Polyethylene Material: Flame-Retardant and Anti-aging Properties. Fibers and Polymers, 24, 5, (2023), 1771-1780. DOI: 10.1007/s12221-023-00044-8.

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