A special “hard‐soft” MXene/Halloysite nanotube (HNTs)/ poly(amidoamine) (PAMAM) structure was constructed to improve the interfacial and tribological performances of fabric liner (FL) materials. Thereinto, the MXene/HNTs coating were successfully grafted onto fabric surface by electrostatic self‐assembly strategy, and a novel PAMAM dendrimer polymer terminated by amino groups was prepared via condensation reaction. The mechanical and tribological performances of MXene/HNTs/PAMAM@FL as well as wear mechanism were systematically evaluated. Specifically, the incorporation of MXene/HNTs/PAMAM coating enhanced the bonding strength by 62.4%, and declined the wear rate by 27.7% in comparison with pure FL. The splendid performance was ascribed to the synergistic effect of “soft” toughening PAMAM polymer and “hard” lubricating MXene/HNTs hybrids. The introduction of MXene/HNTs hybrids could enhance mechanical interlocking and bearing capacity. Then PAMAM polymer ameliorated interfacial adhesion and compatibility with resin via forming chemical bonds, which further reducing stress concentration through increased crack deflections due to the steric hindrance.Highlights MXene/HNTs/PAMAM coating was prepared via electrostatic self‐assembly and condensation reaction. Interfacial adhesion of fabric liner achieved effective promotion. High‐quality tribofilm was constructed by the synergistic enhancement effect between MXene/HNTs particles and PAMAM polymer. The tribo‐chemical reactions participate in improving the lubricity and durability of tribofilm.

中文翻译：

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通过构建 MXene/HNTs/PAMAM 分层涂层增强织物衬里的界面和摩擦学性能

构建了一种特殊的“硬-软”MXene/埃洛石纳米管（HNT）/聚酰胺胺（PAMAM）结构，以改善织物衬里（FL）材料的界面和摩擦学性能。其中，通过静电自组装策略成功地将MXene/HNTs涂层接枝到织物表面，并通过缩合反应制备了新型氨基封端的PAMAM树枝状聚合物。系统评估了 MXene/HNTs/PAMAM@FL 的机械和摩擦学性能以及磨损机制。具体来说，与纯FL相比，MXene/HNTs/PAMAM涂层的结合强度提高了62.4%，磨损率降低了27.7%。出色的性能归功于“软”增韧 PAMAM 聚合物和“硬”润滑 MXene/HNT 混合物的协同效应。MXene/HNT 混合材料的引入可以增强机械联锁和承载能力。然后，PAMAM 聚合物通过形成化学键改善了界面粘附力和与树脂的相容性，从而通过增加由于空间位阻而导致的裂纹偏转进一步减少应力集中。 通过静电自组装和缩合反应制备MXene/HNTs/PAMAM涂层。 织物衬里的界面粘合力得到有效提升。 通过MXene/HNTs颗粒和PAMAM聚合物之间的协同增强作用构建了高质量的摩擦膜。 摩擦化学反应有助于提高摩擦膜的润滑性和耐久性。