粉煤灰基防鼠咬PVC线缆护套材料的制备与性能研究

doi:10.11896/cldb.24060115

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Abstract Cable damage caused by rats may result in short circuit, power failure, signal interruption, and fire, which may threaten human life and pro-perty. In this work, a filler with anti-rodent function is designed for polyvinyl chloride (PVC) cables based on the porous property of coal fly ash (CFA) solid waste. Capsaicin(Cap) was used as the anti-rodent agent, and the capsaicin was encapsulated with the help of the pores on the surface of the coal fly ash, and then the surface of the coal fly ash was modified by aluminate coupling agent, which further achieved capsaicin masking and was suitable for the preparation of PVC cable sheathing materials. The reduced irritation of the powder samples after adsorption of capsaicin by CFA and modification by aluminate was determined by Fourier transform infrared (FTIR), specific surface area and pore size analyzer (BET), thermal weight loss analyzer (TG) and scanning electron microscopy (SEM). In addition, the sample test results showed that with only 0.3% Cap added, the PVC-based cable material already possessed good thermal stability, and the tensile strength of CFA-based PVC composites with capsaicin addition was increased by 12.81% compared to CFA-based PVC composites, and the addition of capsaicin was effective in preventing rodents from biting. In summary, the coal fly ash-based rodent-resistant PVC cable sheathing material eliminates bulk solid waste while achieving the masking of irritating odour during capsaicin processing.

Key words： coal fly ash capsaicin polyvinyl chloride rodent-resistance

Published: 25 June 2025 Online: 2025-06-19

CLC number:

TB332

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	Articles by authors
	LAN Yakun
	LI Dan
	DING Liyang
	DONG Tingxuan
	LI Yipeng
	GUO Shengwei

Cite this article:

LAN Yakun,LI Dan,DING Liyang, et al. Preparation and Properties of Coal Fly Ash-based Rodent-resistant PVC Cable Sheath Material[J]. Materials Reports, 2025, 39(12): 24060115-6.

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https://www.mater-rep.com/EN/10.11896/cldb.24060115 OR https://www.mater-rep.com/EN/Y2025/V39/I12/24060115

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