化工新型材料

化工新型材料 ›› 2022, Vol. 50 ›› Issue (7) : 241-245. DOI: 10.19817/j.cnki.issn1006-3536.2022.07.049

开发与应用

温度响应型EUG-SiO₂超疏水涂层的制备与性能研究

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Preparation and property of temperature response EUG-SiO₂ superhydrophobic coating

Xie Yuan¹, Li Long^1,2, Yang Feng^1,2, Fang Qinghong^1,2, Kang Hailan^1,2, Wang Na^1,2

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Received		Published
2021-04-20		2022-07-20
Issue Date	Revised Date
2022-08-09	2021-04-20

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摘要

利用旋涂法配制一定比例的杜仲橡胶(EUG)、疏水型纳米SiO₂和过氧化二异丙苯(DCP)的甲苯分散液,将分散液在胶片表面旋涂一定厚度并硫化,制备出超疏水EUG-SiO₂涂层。研究了疏水型纳米SiO₂用量对润湿性能的影响,并探讨了涂层疏水性能随温度变化的原因。结果表明,当m(SiO₂)∶m(EUG)=4∶1时,涂层具有超疏水性能,其接触角为153.0°;扫描电镜照片表明,涂层具有微纳米多尺度粗糙结构;制备的超疏水表面具有温度响应特性,接触角随温度变化而发生循环变化,且在温度回复到室温后仍保持较好的疏水性。

Abstract

Superhydrophobic eucommia ulmoides rubber(EUG)-SiO₂ coating was prepared by spincoating method with EUG toluene dispersions,hydrophobic nano-SiO₂ and isopropyl peroxide (DCP).The dispersions were spin-coated and vulcanized on the film surface to obtain the superhydrophobic EUG-SiO₂ coating.The influence of the amount of hydrophobic nano-SiO₂ on the wettability of the coating was studied,and discussed the reason for the change of superhydrophobic property.The results shown that when m(SiO₂)∶m(EUG)=4∶1,the coating had superhydrophobic properties and its contact angle was 153.0°.Scanning electron microscopy (SEM) images shown that the coating had a micro-nano multi-scale rough structure.The prepared superhydrophobic surface had the properties of temperature response,and the contact angle changed in a cycle with the temperature change,and it still maintained good hydrophobicity after the temperature returns to room temperature.

关键词

杜仲橡胶 / 旋涂法 / 超疏水涂层 / 温度响应

Key words

eucommia ulmoides gum / spin coating method / superhydrophobic coating / temperature response

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温度响应型EUG-SiO₂超疏水涂层的制备与性能研究[J]. 化工新型材料, 2022, 50(7): 241-245 DOI:10.19817/j.cnki.issn1006-3536.2022.07.049

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