Characterization and Tribological Performance of Polyethersulfone/PTFE Compound Filled with Na-Montmorillonite

Zhen Zuo; Yulin Yang; Laizhou Song; Zhijing Zhang; Xin Jin

doi:10.1007/s11249-021-01513-y

Characterization and Tribological Performance of Polyethersulfone/PTFE Compound Filled with Na-Montmorillonite

Zhen Zuo, Yulin Yang, Laizhou Song, Zhijing Zhang, Xin Jin^*

^*Corresponding author for this work

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Lamellar sodium-montmorillonite (NaMMT) was used as reinforcing filler to improve the abrasion resistance of polyethersulfone (PES)/polytetrafluoroethylene (PTFE)-based polymers. As filler, the interlayer distance of NaMMT was decreased from 1.523 to 0.995 nm, resulting from the evaporation of interlayer water during the heat treating of composites. The abrasion resistance of PES/PTFE-based composite was effectively improved by introducing NaMMT, attributing to the load bearing of NaMMT on the worn surface. The polymer sample with 20 wt% NaMMT exhibited the best anti-wear performance, which is ascribed to its densification worn morphology. In addition, unlike the pure PTFE transfer films formed for the PTFE and PES/PTFE compounds, NaMMT is also involved in the PTFE transfer film of NaMMT/PES/PTFE compounds. It is inferred that the self-lubricating property of PTFE transfer film is destroyed because of the introduction of NaMMT, leading to that the friction coefficient of NaMMT/PES/PTFE compounds was a little larger than those of PTFE and PES/PTFE compounds.

Original language	English
Article number	138
Journal	Tribology Letters
Volume	69
Issue number	4
DOIs	https://doi.org/10.1007/s11249-021-01513-y
Publication status	Published - Dec 2021

Keywords

PTFE
Polymers
Self-lubricating composites
Solid lubrication friction
Wear-resistant

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title = "Characterization and Tribological Performance of Polyethersulfone/PTFE Compound Filled with Na-Montmorillonite",

abstract = "Lamellar sodium-montmorillonite (NaMMT) was used as reinforcing filler to improve the abrasion resistance of polyethersulfone (PES)/polytetrafluoroethylene (PTFE)-based polymers. As filler, the interlayer distance of NaMMT was decreased from 1.523 to 0.995 nm, resulting from the evaporation of interlayer water during the heat treating of composites. The abrasion resistance of PES/PTFE-based composite was effectively improved by introducing NaMMT, attributing to the load bearing of NaMMT on the worn surface. The polymer sample with 20 wt% NaMMT exhibited the best anti-wear performance, which is ascribed to its densification worn morphology. In addition, unlike the pure PTFE transfer films formed for the PTFE and PES/PTFE compounds, NaMMT is also involved in the PTFE transfer film of NaMMT/PES/PTFE compounds. It is inferred that the self-lubricating property of PTFE transfer film is destroyed because of the introduction of NaMMT, leading to that the friction coefficient of NaMMT/PES/PTFE compounds was a little larger than those of PTFE and PES/PTFE compounds.",

keywords = "PTFE, Polymers, Self-lubricating composites, Solid lubrication friction, Wear-resistant",

author = "Zhen Zuo and Yulin Yang and Laizhou Song and Zhijing Zhang and Xin Jin",

note = "Publisher Copyright: {\textcopyright} 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.",

year = "2021",

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doi = "10.1007/s11249-021-01513-y",

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AU - Zuo, Zhen

AU - Yang, Yulin

AU - Song, Laizhou

AU - Zhang, Zhijing

AU - Jin, Xin

PY - 2021/12

Y1 - 2021/12

N2 - Lamellar sodium-montmorillonite (NaMMT) was used as reinforcing filler to improve the abrasion resistance of polyethersulfone (PES)/polytetrafluoroethylene (PTFE)-based polymers. As filler, the interlayer distance of NaMMT was decreased from 1.523 to 0.995 nm, resulting from the evaporation of interlayer water during the heat treating of composites. The abrasion resistance of PES/PTFE-based composite was effectively improved by introducing NaMMT, attributing to the load bearing of NaMMT on the worn surface. The polymer sample with 20 wt% NaMMT exhibited the best anti-wear performance, which is ascribed to its densification worn morphology. In addition, unlike the pure PTFE transfer films formed for the PTFE and PES/PTFE compounds, NaMMT is also involved in the PTFE transfer film of NaMMT/PES/PTFE compounds. It is inferred that the self-lubricating property of PTFE transfer film is destroyed because of the introduction of NaMMT, leading to that the friction coefficient of NaMMT/PES/PTFE compounds was a little larger than those of PTFE and PES/PTFE compounds.

AB - Lamellar sodium-montmorillonite (NaMMT) was used as reinforcing filler to improve the abrasion resistance of polyethersulfone (PES)/polytetrafluoroethylene (PTFE)-based polymers. As filler, the interlayer distance of NaMMT was decreased from 1.523 to 0.995 nm, resulting from the evaporation of interlayer water during the heat treating of composites. The abrasion resistance of PES/PTFE-based composite was effectively improved by introducing NaMMT, attributing to the load bearing of NaMMT on the worn surface. The polymer sample with 20 wt% NaMMT exhibited the best anti-wear performance, which is ascribed to its densification worn morphology. In addition, unlike the pure PTFE transfer films formed for the PTFE and PES/PTFE compounds, NaMMT is also involved in the PTFE transfer film of NaMMT/PES/PTFE compounds. It is inferred that the self-lubricating property of PTFE transfer film is destroyed because of the introduction of NaMMT, leading to that the friction coefficient of NaMMT/PES/PTFE compounds was a little larger than those of PTFE and PES/PTFE compounds.

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Characterization and Tribological Performance of Polyethersulfone/PTFE Compound Filled with Na-Montmorillonite

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