Interface engineering via non-thermal atmospheric plasma for highly tensile insulating epoxy-impregnated aramid composite paper

Ruan, Hao-ou; Wang, Wei-hao; Liu, Xiong; Song, Jing-xuan; Hu, Shi-xun

doi:10.1016/j.compscitech.2024.110844

Composites Science and Technology

2024

DOI: 10.1016/j.compscitech.2024.110844

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Interface engineering via non-thermal atmospheric plasma for highly tensile insulating epoxy-impregnated aramid composite paper

Hao-ou Ruan,

Wei-hao Wang,

Xiong Liu

et al.

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Effect of O radicals on aramid surface treatment: Experimental and molecular insights

Ruan,

Du,

Umemoto

et al. 2024

Applied Physics Letters

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Aramid is widely recognized for its effectiveness as a matrix in high-performance composite materials. However, the inert nature of its surface necessitates plasma pretreatment for proper resin immersion. With a particular focus on interactions involving O radicals, this study employs Vacuum Ultra-Violet Photolysis Reactive-species Supply to investigate the interaction mechanisms between aramid and plasma reactive species. The water contact angle serves as an indicator of the degree of surface reactions, demonstrating a clear correlation between its reduction and the concentration of O radicals. Analysis using ATR-FTIR and XPS revealed the depletion of amide groups and the formation of hydroxyl groups during the treatment process. Through reactive molecular dynamics simulations, we identified the specific reaction sites of the amide groups on aramid and quantified the variations in typical reaction products. We also summarized the reaction pathways and confirmed the generation of polar structures, such as N-OH. This study offers valuable theoretical insights for the surface modification of inert polymers and contributes to advancements in industrial plasma technology.

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Effect of O radicals on aramid surface treatment: Experimental and molecular insights

Ruan,

Du,

Umemoto

et al. 2024

Applied Physics Letters

View full text Add to dashboard Cite

show abstract

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Interface engineering via non-thermal atmospheric plasma for highly tensile insulating epoxy-impregnated aramid composite paper

Cited by 1 publication

References 55 publications

Effect of O radicals on aramid surface treatment: Experimental and molecular insights

Effect of O radicals on aramid surface treatment: Experimental and molecular insights

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