羟基化PPESK接枝MWCNTs上浆改性短切碳纤维增强PPESK复合材料摩擦学性能

doi:10.19936/j.cnki.2096-8000.20260928.002

复合材料科学与工程 ›› 2026, Vol. 0 ›› Issue (9): 12-19.DOI: 10.19936/j.cnki.2096-8000.20260928.002

羟基化PPESK接枝MWCNTs上浆改性短切碳纤维增强PPESK复合材料摩擦学性能

邵明轩¹, 庄玉祥¹, 蹇锡高^1,2, 刘程^1,2*

1.大连理工大学化工学院高分子材料系,大连 116024;
2.辽宁省高性能树脂材料专业技术创新中心,大连 116012

收稿日期:2026-03-20 出版日期:2026-09-28 发布日期:2026-09-23
通讯作者: 刘程(1976—),男,博士,研究员,博士生导师,研究方向为高性能树脂及其复合材料,liuch1115@dlut.edu.cn。
作者简介:邵明轩(2001—),男,硕士研究生,研究方向为耐磨自润滑热塑性树脂基碳纤维复合材料。
基金资助:
中央高校基本科研业务费专项资助(DUT22LAB605)

A hydroxylated poly(phthalazinone ether sulfone ketone) grafted multi-walled carbon nanotubes sizing agent for enhancing the tribological properties of SCF/PPESK composites

SHAO Mingxuan¹, ZHUANG Yuxiang¹, JIAN Xigao^1,2, LIU Cheng^1,2*

1. Department of Polymer Materials & Science, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China;
2. Liaoning Province Technology Innovation Center of High Performance resin Materials, Dalian 116012, China

Received:2026-03-20 Online:2026-09-28 Published:2026-09-23

摘要/Abstract

摘要： 针对短切碳纤维与热塑性树脂基体界面结合强度不足、易引发疲劳磨损的问题,本文设计了一种含羟基化杂萘联苯聚芳醚砜酮接枝多壁碳纳米管的上浆剂,有效提升了短切碳纤维/聚芳醚砜酮树脂(SCF/PPESK)复合材料的界面性能和摩擦学性能。在室温干摩擦条件下,其摩擦系数低至0.14,磨损率低至3.7×10^-16 m³·N^-1·m^-1,磨损率相较于未经上浆处理的复合材料降低了约24%。此外,借助微观形貌测试以及摩擦表面的元素分析,揭示了SCF/PPESK复合材料的摩擦磨损机理,证实了增强界面是提升耐高温热塑性树脂基复合材料耐磨性的有效策略。

关键词: 热塑性树脂基复合材料, 杂萘联苯聚芳醚砜酮, 碳纳米管, 界面改性, 摩擦学性能

Abstract: In this study, a sizing agent containing hydroxylated poly(phthalazinone ether sulfone ketone) (HPPESK) grafted multi-walled carbon nanotubes was designed to address the issue of insufficient interfacial bonding strength between short carbon fiber and thermoplastic resin matrix, which can lead to fatigue wear. This sizing agent effectively enhanced the interfacial and tribological properties of SCF/PPESK composites, achieving a friction coefficient as low as 0.14 under dry friction conditions at room temperature and a wear rate as low as 3.7×10^-16 m³·N^-1·m^-1. Compared to untreated composites, the wear rate decreased by approximately 24%. Furthermore, microstructural analysis and elemental surface analysis revealed the friction and wear mechanism of the SCF/PPESK composites, confirming that enhancing the interface is an effective strategy for improving the wear resistance of composites.

Key words: thermoplastic polymer composite, poly(phthalazinone ether sulfone ketone), carbon nanotubes, interface modification, tribological properties

中图分类号:

TB332

邵明轩, 庄玉祥, 蹇锡高, 刘程. 羟基化PPESK接枝MWCNTs上浆改性短切碳纤维增强PPESK复合材料摩擦学性能[J]. 复合材料科学与工程, 2026, 0(9): 12-19.

SHAO Mingxuan, ZHUANG Yuxiang, JIAN Xigao, LIU Cheng. A hydroxylated poly(phthalazinone ether sulfone ketone) grafted multi-walled carbon nanotubes sizing agent for enhancing the tribological properties of SCF/PPESK composites[J]. COMPOSITES SCIENCE AND ENGINEERING, 2026, 0(9): 12-19.

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羟基化PPESK接枝MWCNTs上浆改性短切碳纤维增强PPESK复合材料摩擦学性能

A hydroxylated poly(phthalazinone ether sulfone ketone) grafted multi-walled carbon nanotubes sizing agent for enhancing the tribological properties of SCF/PPESK composites

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