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[目的]探讨碱性硅烷化处理对铝合金炊具表面陶瓷不粘涂层附着力的影响及其机理。[方法]以3003铝合金为基材,在含硅溶胶和甲基三甲氧基硅烷的溶液中进行硅烷化处理,测量其后喷涂的陶瓷不粘涂层的附着力,采用傅里叶变换红外光谱仪、扫描电镜和能谱仪研究其化学结构和表面形貌。[结果]碱性硅烷化可以在3003铝合金表面形成一层很薄的表面处理膜,它可以明显提高基材与陶瓷不粘涂层之间的结合力。[结论]基材与处理膜的界面生成了大量的Al─O─Si键,处理膜与陶瓷涂层的界面也生成了大量的Al─O─Si和Si─O─Si键,这些化学键的键合作用提高了陶瓷不粘涂层在3003铝基材上的附着力。
Abstract:[Objective] The effect of alkaline silanization as a pretreatment on the adhesion of ceramic nonstick coating on the surface of aluminum alloy cookware and the related mechanism were explored. [Method] Using 3003 aluminum alloy as the substrate, silanization was conducted in a solution containing silica sol and methyltrimethoxysilane. The adhesion of the subsequently sprayed ceramic nonstick coating was measured, and its chemical structure and surface morphology were examined by Fourier-transform infrared spectroscopy(FT-IR), scanning electron microscopy(SEM), and energy-dispersive spectroscopy(EDS). [Result] A thin pretreatment film was formed on the surface of 3003 aluminum alloy by alkaline silanization, which significantly improved the adhesion between the substrate and the ceramic nonstick coating. [Conclusion] A large number of Al─O─Si bonds are formed at the interface between the substrate and the pretreatment film, and numerous Al─O─Si and Si─O─Si bonds are generated at the interface between the pretreatment film and the ceramic coating. The adhesion of the ceramic nonstick coating on the 3003 aluminum substrate is enhanced by the bonding effect of these chemical bonds.
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基本信息:
DOI:10.19289/j.1004-227x.2026.01.002
中图分类号:TG174.4
引用信息:
[1]卢嘉华,林英杰.铝合金表面碱性硅烷化处理对陶瓷涂层附着力的影响及其机理研究[J].电镀与涂饰,2026,45(01):8-14.DOI:10.19289/j.1004-227x.2026.01.002.
基金信息: