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首页> 外文期刊>RSC Advances >Reactive silica nanoparticles turn epoxy coating from hydrophilic to super-robust superhydrophobic
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Reactive silica nanoparticles turn epoxy coating from hydrophilic to super-robust superhydrophobic

机译：反应性二氧化硅纳米粒子将环氧涂料从亲水性转变为超强健的超疏水性

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摘要

Superhydrophobic organic–inorganic hybrid nanocomposite coatings have received much attention because they possess the advantages of both inorganic and organic materials. Nevertheless, it is difficult to achieve strong bonding of inorganic nanoparticles to the polymer matrix while maintaining a sufficiently rough structure to impart superhydrophobicity. In this study, we fabricated silica nanoparticles with surface reactive groups that can further react with the epoxy resin. Thus, the hydrophobic silica nanoparticles were stably anchored and stabilized in the cured resin matrix while forming nanometer-scale roughness structures. The obtained silica-decorated epoxy resin coating shows great durability and water-repellency after mechanical abrasions and has superior adhesion to the substrate.
机译：超疏水有机-无机杂化纳米复合涂料由于具有无机和有机材料的优点而备受关注。然而，在保持足够粗糙的结构以赋予超疏水性的​​同时，难以实现无机纳米颗粒与聚合物基质的牢固结合。在这项研究中，我们制造了具有表面反应性基团的二氧化硅纳米粒子，该基团可以进一步与环氧树脂反应。因此，疏水性二氧化硅纳米颗粒在形成纳米级粗糙度结构的同时被稳定地锚定并稳定在固化的树脂基质中。所得的二氧化硅修饰的环氧树脂涂料在机械磨蚀后显示出优异的耐久性和疏水性，并且对基材具有优异的粘合性。

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