多孔结构耐磨超疏水薄膜的制备及性能
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国家自然科学基金项目(面上项目,重点项目,重大项目)


Preparation and properties of wear-resistant super-hydrophobic film with self-similar microstructure
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The National Natural Science Foundation of China (General Program, Key Program, Major Research Plan)

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    摘要:

    为了获得持久稳定的超疏水材料,本研究将聚偏氟乙烯共六氟丙烯共聚物(P(VDF-HFP))和疏水改性的纳米三氧化二铝(Al2O3)进行复合并通过溶剂/非溶剂诱导相分离法制备了一种耐磨超疏水薄膜。采用SEM及能谱分析仪和接触角测量仪分别对薄膜的表面微观结构、化学组成和疏水性能进行表征。结果表明:制备的薄膜具有自相似微纳米复合微观结构。并且薄膜具有优异的自清洁性和耐机械摩擦性,即使经历360个周期的砂纸磨损(100 g载重)后仍保持超疏水性。除此之外薄膜具有优异耐化学溶液和紫外灯照射稳定性。

    Abstract:

    In order to obtain durable superhydrophobic materials, a wear-resistant superhydrophobic film was prepared by embedding hydrophobic nano-alumina oxide in poly(vinylidene fluoride co-hexafluoropropylene) via a phase separation technology. The chemical compositions, morphology and hydrophobic properties of the film were characterized by SEM,EDS and Contact angle measuring instrument. The results showed that the prepared film composed of a self-similar micro-nano microstructure. And it has excellent self-cleaning and abrasion resistance. The film maintained superhydrophobic after 360 cycles of sandpaper abrasion under 100 g of loading, indicating an excellent mechanical durability. In addition, the film has excellent chemical resistance and UV tability. The simple preparation and high superhydrophobic stability make it suitable for the industrial production and commercialization of superhydrophobic materials.

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韦任轩.多孔结构耐磨超疏水薄膜的制备及性能[J].精细化工,2021,38(5):0

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  • 收稿日期:2021-01-03
  • 最后修改日期:2021-02-24
  • 录用日期:2021-02-24
  • 在线发布日期: 2021-04-07
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