Detection of the Destruction Mechanism of Perfluorinated Elastomer (FFKM) Network under Thermo-oxidative Aging Conditions

Zhuo, Wenyue; Wang, Qilong; Li, Gao; Guo, Yang; Zhang, Huan; Xu, Wen; Niu, Yanhua; Li, Guangxian

doi:10.1007/s10118-022-2692-6

Chin J Polym Sci

2022

DOI: 10.1007/s10118-022-2692-6

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Detection of the Destruction Mechanism of Perfluorinated Elastomer (FFKM) Network under Thermo-oxidative Aging Conditions

Wenyue Zhuo

Qilong Wang

Gao Li

et al.

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Cited by 8 publications

References 27 publications

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A comparative study on thermo‐oxidative aging and tribological properties of perfluoroelastomer composites reinforced by different carbon nanomaterials at elevated temperatures: Molecular dynamics simulations

Zhao,

Qu,

Yang

et al. 2024

Journal of Polymer Science

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Molecular dynamics (MD) simulations are employed to assess the effects of diverse carbon nanomaterials on the thermo‐oxidative aging properties and tribological behavior of perfluoroelastomer (FFKM) in high‐temperature environments. In this study, carbon nanofillers such as graphene nanosheets (GNS), carbon nanotubes (CNTs), hydroxyl‐functionalized graphene (OH‐GNS), and hydroxyl‐functionalized carbon nanotubes (OH‐CNTs) are examined. The aging properties of composite systems are characterized by parameters like cohesive energy density and mean square displacement. The constant strain method is utilized to estimate the shear modulus and bulk modulus. Three‐layer friction structures are established to analyze the mechanism of fillers on the tribological behavior of composites by applying shear loads. According to the MD simulation results, the addition of carbon nanofillers enhances FFKM's thermo‐oxidative aging performance at 533 K, increases its bulk and shear moduli, and reduces the coefficient of friction and abrasion rate of each composite at high temperatures. Among the four nanofillers, OH‐CNTs is the most effective in terms of improving FFKM performance. Stronger dipoledipole interactions and hydrogen bonding are introduced into the system by OH‐CNTs, which improves the stability of the filler‐matrix interface and produces stronger interfacial interactions. This work offers theoretical predictions for the design and optimization of carbon nanomaterial and FFKM polymer composites.

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A comparative study on thermo‐oxidative aging and tribological properties of perfluoroelastomer composites reinforced by different carbon nanomaterials at elevated temperatures: Molecular dynamics simulations

Zhao,

Qu,

Yang

et al. 2024

Journal of Polymer Science

View full text Add to dashboard Cite

show abstract

High-temperature Thermo-oxidative Aging of Vulcanized Natural Rubber Nanocomposites: Evolution of Microstructure and Mechanical Properties

Kong

Chen

et al. 2023

Chin J Polym Sci

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Investigating the effects of sequential aging temperature profiles on the response of neoprene rubber

Alazhary,

Shaafaey,

Bahrololoumi

et al. 2024

J Polym Res

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Detection of the Destruction Mechanism of Perfluorinated Elastomer (FFKM) Network under Thermo-oxidative Aging Conditions

Cited by 8 publications

References 27 publications

A comparative study on thermo‐oxidative aging and tribological properties of perfluoroelastomer composites reinforced by different carbon nanomaterials at elevated temperatures: Molecular dynamics simulations

A comparative study on thermo‐oxidative aging and tribological properties of perfluoroelastomer composites reinforced by different carbon nanomaterials at elevated temperatures: Molecular dynamics simulations

High-temperature Thermo-oxidative Aging of Vulcanized Natural Rubber Nanocomposites: Evolution of Microstructure and Mechanical Properties

Investigating the effects of sequential aging temperature profiles on the response of neoprene rubber

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