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首页> 外文期刊>Journal of Applied Polymer Science >Surface and wetting characteristics of textured bisphenol-A based polycarbonate surfaces: Acetone-induced crystallization texturing methods
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Surface and wetting characteristics of textured bisphenol-A based polycarbonate surfaces: Acetone-induced crystallization texturing methods

机译：质感双酚A基聚碳酸酯表面的表面和润湿特性：丙酮诱导的结晶织构方法

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摘要

Polycarbonate (PC) sheet is a promising material for facile patterning to induce hydrophobic self-cleaning and dust repelling properties for photovoltaic panels' protection. An investigation to texture PC sheet surfaces to develop a self-cleaning structure using solvent induced-crystallization is carried out using acetone. Acetone is applied in both liquid and vapor states to generate a hierarchically structured surface that would improve its contacts angle and therefore improve hydrophobicity. The surface texture is investigated and characterized using atomic force microscopy, contact angle technique (Goniometer), optical microscopy, ultraviolet-visible spectroscopy (UV-vis) and Fourier transform infrared spectroscopy. The findings revealed that the liquid acetone-induced crystallization of PC surface leads to a hierarchal and hydrophobic surface with an average contact angle of 135 degrees and average transmittance < 2%. However, the acetone vapor induced-crystallization results in a slightly hydrophilic hierarchal textured surface with high transmittance; in which case, average contact angle of 89 degrees and average transmittance of 69% are achieved. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43074.
机译：聚碳酸酯（PC）板是一种有前途的材料，可用于方便地构图，以诱导疏水性自清洁和防尘性能，从而保护光伏面板。使用丙酮进行了使PC片材表面纹理化以使用溶剂诱导的结晶形成自洁结构的研究。丙酮既可以液态也可以气态施加，以产生分层结构的表面，该表面将改善其接触角，从而改善疏水性。使用原子力显微镜，接触角技术（Goniometer），光学显微镜，紫外可见光谱（UV-vis）和傅里叶变换红外光谱对表面纹理进行了研究和表征。研究结果表明，液体丙酮诱导的PC表面结晶形成了层级和疏水表面，平均接触角为135度，平均透射率<2％。然而，丙酮蒸气诱导的结晶导致具有高透射率的略微亲水的层状织构表面。在这种情况下，可获得89度的平均接触角和69％的平均透射率。 （c）2015 Wiley Periodicals，Inc. J. Appl。 Polym。科学2016，133，43074。

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