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

Hao-ou Ruan,

Hao Du, Takahiro Umemoto

et al.

Applied Physics Letters, Journal Year: 2024, Volume and Issue: 125(17)

Published: Oct. 21, 2024

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

Language: Английский

Improvement of adsorption properties of coconut shell activated carbon using atmospheric pressure dielectric barrier discharge plasma jet DOI
Ali Akbar Khan, S. L. Yap, Zaira Zaman Chowdhury

et al.

The European Physical Journal Plus, Journal Year: 2024, Volume and Issue: 139(8)

Published: Aug. 3, 2024

Language: Английский

Citations

0
Effect of O radicals on aramid surface treatment: Experimental and molecular insights DOI

Hao-ou Ruan,

Hao Du, Takahiro Umemoto

et al.

Applied Physics Letters, Journal Year: 2024, Volume and Issue: 125(17)

Published: Oct. 21, 2024

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

Language: Английский

Citations

0