纳米氧化锌改性间位芳纶绝缘纸力学和热学性能的分子动力学模拟

doi:10.11896/cldb.24060036

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Abstract Meta-aramid is widely used in the field of electrical insulation due to its excellent thermal stability and dielectric properties. In order to explore the effect of nano-zinc oxide (nano-ZnO) doping on the thermal and mechanical properties of meta-aramid insulating paper, a pure meta-aramid model and a composite model of meta-aramid and nano-ZnO with nano-ZnO content of 3%, 6%, 9% and 12% were established in Mate-rials Studio. Molecular dynamics simulations were used to calculate the cohesive energy density, thermal conductivity, mechanical properties, glass transition temperature and other parameters of meta-aramid before and after modification. The results show that when the doping content of nano-ZnO is 9%, the properties of meta-aramid reach the best. Compared with the unmodified model, the cohesive energy density was increased by 64%, thermal conductivity increased by 53%, the glass transition temperature has been increased by 37 K, the Young’s modulus and shear modulus increased by 33% and 28%, respectively. This work can provide a theoretical basis and reference for the doping and performance control of meta-aramid insulating paper.

Key words： meta-aramid insulation paper nano-zinc oxide(nano-ZnO) thermal property mechanical property

Published: 15 August 2025 Online: 2025-08-15

CLC number:

TM215

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	Articles by authors
	LI Yasha
	WANG Lumin
	PANG Menghao
	TIAN Ze
	ZENG Yuekai
	ZHAO Guanghui

Cite this article:

LI Yasha,WANG Lumin,PANG Menghao, et al. Molecular Dynamics Simulation of Mechanical and Thermal Properties of Nano-zinc Oxide Modified Meta-aramid Insulating Paper[J]. Materials Reports, 2025, 39(16): 24060036-7.

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https://www.mater-rep.com/EN/10.11896/cldb.24060036 OR https://www.mater-rep.com/EN/Y2025/V39/I16/24060036

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