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首页> 外文期刊>Journal of Applied Polymer Science >Fabrication of robust self-cleaning superhydrophobic coating by deposition of polymer layer on candle soot surface
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Fabrication of robust self-cleaning superhydrophobic coating by deposition of polymer layer on candle soot surface

机译：通过在蜡烛表面上沉积的聚合物层沉积鲁棒自清洁超细涂层的制造

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摘要

A facile and inexpensive way have been developed to fabricate robust self-cleaning superhydrophobic coating by depositing polymer layer on candle soot (CS) surface using dip coating method. The stability and robustness of the CS deposited superhydrophobic surface is much weaker due to weak interaction and nonchemical bonding with the substrate. We introduced a thin layer of polystyrene, polyethylene, polypropylene (PP), and polyvinylidene fluoride on CS surface in order to improve its mechanical properties. The fabricated surfaces with the use of respective polymers exhibited water contact angles of nearly 170, 174, 175, and 171 degrees with sliding angles of 2, 1, 1, and 3 degrees, respectively. Although, all the polymers used in this work exhibited excellent superhydrophobic and self-cleaning surface property, we found that the PP deposited CS surface exhibit better stability against water jet hitting and water drop impact tests. The PP deposited CS surface almost maintained their surface properties even after 50 cycles of sandpaper abrasion and 20 cycles of adhesive tape peeling tests. The mechanical durability tests confirmed that PP is a better polymer to improve the long-term durability of CS surface. Therefore, this simple, time saving, and inexpensive method for fabricating superhydrophobic coating can be used for potential industrial application.
机译：通过在蜡烛烟灰（CS）表面用浸渍法沉积聚合物层，开发了一种简便且廉价的方法来制备坚固的自清洁超疏水涂层。由于与基底的弱相互作用和非化学键，CS沉积的超疏水表面的稳定性和鲁棒性要弱得多。为了提高CS的机械性能，我们在CS表面引入了一层薄薄的聚苯乙烯、聚乙烯、聚丙烯（PP）和聚偏氟乙烯。使用相应聚合物制成的表面的水接触角分别为170度、174度、175度和171度，滑动角分别为2度、1度、1度和3度。尽管本研究中使用的所有聚合物均表现出优异的超疏水和自清洁表面性能，但我们发现，PP沉积的CS表面在水射流冲击和水滴冲击试验中表现出更好的稳定性。即使在50次砂纸磨损和20次胶带剥离试验后，PP沉积的CS表面几乎仍保持其表面性能。机械耐久性试验证实，PP是一种更好的聚合物，可以提高CS表面的长期耐久性。因此，这种简单、省时、廉价的超疏水涂层制备方法可用于潜在的工业应用。

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