Spray-Assisted Nanocoating of the Biobased Material Urushiol
Spray-Assisted Nanocoating of the Biobased Material Urushiol
复制标题
生物基材料漆酚的喷雾辅助纳米涂层
DOI：
10.1021/acs.langmuir.5b00131
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发表时间：
2015
期刊：
影响因子：
3.9
通讯作者：
Atsushi Takahara
中科院分区：
文献类型：
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作者：
Hirohmi Watanabe;Aya Fujimoto;Atsushi Takahara
我们已经证明了儿茶酚衍生物漆酚的喷雾辅助涂层。喷涂漆酚和乙酸铁（II）的混合物形成约10 nm厚的均匀涂层，如AFM观察所证实。XPS测量显示，各种基板，包括聚烯烃和热固性树脂，成功地涂覆漆酚。在100 °C下烘烤10 min或有氧氧化数天后，涂层显示出良好的耐溶剂性和涂层附着力。有趣的是，石英晶体微天平（QCM）的测量和应变引起的弹性屈曲不稳定性的机械测量（SIEBIMM）表明，密度和杨氏模量的喷涂辅助纳米涂层高于喷涂样品。此外，涂层的物理性能无关，除了表面性能，如几个实验证明。由于漆酚是一种很有前途的生物基材料，我们独特的喷涂辅助涂层技术可以为环境可持续的材料无关表面改性技术提供一种通用方法。
We have demonstrated the spray-assisted coating of the catechol derivative, urushiol. Spraying a mixture of urushiol and iron(II) acetate formed a uniform coating about 10 nm thick, as confirmed by AFM observations. XPS measurements revealed that various substrates, including polyolefins and thermosetting resins, were successfully coated with urushiol. The coating showed good solvent tolerance and coating adhesion after baking at 100 °C for 10 min or after aerobic oxidation for several days. Interestingly, quartz crystal microbalance (QCM) measurements and strain-induced elastic buckling instability for mechanical measurements (SIEBIMM) revealed that density and Young’s modulus of the spray-assisted nanocoatings were higher than those of spray-coated samples. Moreover, the coating was uninvolved in physical properties except surface properties, as demonstrated by several experiments. Because urushiol is a promising biobased material, our unique spray-assisted coating technique could provide a general approach for material-independent surface modification techniques that are environmentally sustainable.