碳黑/PDMS超疏水涂层的制备及防冰性能 (急)
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TQ6

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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 anti-icing properties of carbon black/PDMS superhydrophobic coating
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The National Natural Science Foundation of China (General Program, Key Program, Major Research Plan)

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    摘要:

    固体表面冰的形成和累积引起了一系列的安全问题同时造成了巨大的经济损失。因此,防冰对减少冰灾和经济损失具有重要意义。通过喷涂方法在基质上喷涂碳黑纳米粒子、聚二甲基硅氧烷 (PDMS)以及十七氟葵基三乙氧基硅烷 (PFDTES)的混合液制备了一种具有防冰性能的碳黑/PDMS超疏水涂层。碳黑使涂层具有微纳粗糙结构,PDMS作为粘合剂增加涂层的牢度,PFDTES赋予表面较低的表面能。所制备的涂层具有优异的超疏水性能,使水滴在表面结冰的时间延迟到160 s,是普通玻璃结冰时间的5倍多。同时,冰的粘附强度也大大的减小。此外,涂层还展现出优异的自清洁性能、耐酸、碱、盐腐蚀和耐紫外灯照射性能。

    Abstract:

    The formation and accumulation of ice on solid surface cause a series of safety problems and great economic losses. Therefore, anti-icing is significant for reducing ice disasters and economic losses. Herein, a carbon black/PDMS superhydrophobic coating with anti-icing performance was prepared by spraying the substrate with a mixture of carbon black nanoparticles, polydimethylsilane (PDMS) and 1H, 1H, 2H, 2H-Perfluorodecyltriethoxysilane (PFDTES). Carbon black gives the coating micro-nano roughness. PDMS acts as an adhesive to increase the fastness of the coating. PFDTES imparts lower surface energy. The coating has excellent superhydrophobic property, which makes the time of water droplets freezing on the surface delay to 160 s, which is more than 5 times that of ordinary glass. Meanwhile, the adhesion of ice is also greatly reduced. In addition, the coating has excellent self-cleaning property and acid, alkali, salt resistance, ultraviolet radiation stability.

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李回归.碳黑/PDMS超疏水涂层的制备及防冰性能 (急)[J].精细化工,2021,38(5):

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  • 收稿日期:2021-01-08
  • 最后修改日期:2021-03-18
  • 录用日期:2021-03-19
  • 在线发布日期: 2021-05-08
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