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OA
A hydroxylated poly(phthalazinone ether sulfone ketone)grafted multi-walled carbon nanotubes sizing agent for enhancing the tribological properties of SCF/PPESK composites
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.
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 ef-fectively 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 anal-ysis and elemental surface analysis revealed the friction and wear mechanism of the SCF/PPESK composites,confir-ming that enhancing the interface is an effective strategy for improving the wear resistance of composites.
邵明轩;庄玉祥;蹇锡高;刘程
大连理工大学 化工学院 高分子材料系,大连 116024大连理工大学 化工学院 高分子材料系,大连 116024大连理工大学 化工学院 高分子材料系,大连 116024||辽宁省高性能树脂材料专业技术创新中心,大连 116012大连理工大学 化工学院 高分子材料系,大连 116024||辽宁省高性能树脂材料专业技术创新中心,大连 116012
通用工业技术
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
thermoplastic polymer compositepoly(phthalazinone ether sulfone ketone)carbon nanotubesinterface modificationtribological properties
《复合材料科学与工程》 2026 (9)
12-19,50,9
中央高校基本科研业务费专项资助(DUT22LAB605)
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