Repellent materials. Robust self-cleaning surfaces that function when exposed to either air or oil

Science
Yao LuIvan P Parkin

Abstract

Superhydrophobic self-cleaning surfaces are based on the surface micro/nanomorphologies; however, such surfaces are mechanically weak and stop functioning when exposed to oil. We have created an ethanolic suspension of perfluorosilane-coated titanium dioxide nanoparticles that forms a paint that can be sprayed, dipped, or extruded onto both hard and soft materials to create a self-cleaning surface that functions even upon emersion in oil. Commercial adhesives were used to bond the paint to various substrates and promote robustness. These surfaces maintained their water repellency after finger-wipe, knife-scratch, and even 40 abrasion cycles with sandpaper. The formulations developed can be used on clothes, paper, glass, and steel for a myriad of self-cleaning applications.

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Citations

Dec 15, 2015·Advanced Materials·Yongjiu LeiLei Jiang
Dec 4, 2015·ACS Applied Materials & Interfaces·Md Julker NineDusan Losic
Sep 24, 2015·Chemical Society Reviews·Katherine R PhillipsJoanna Aizenberg
Dec 15, 2015·Journal of the American Chemical Society·Bin SuLei Jiang
Mar 6, 2016·Journal of Colloid and Interface Science·Faze ChenXin Liu
Oct 20, 2015·ACS Applied Materials & Interfaces·Gi Byoung HwangIvan P Parkin
Nov 13, 2015·ACS Applied Materials & Interfaces·Gang WangQunji Xue
Oct 17, 2015·ACS Applied Materials & Interfaces·Su Yeon LeeShu Yang
Mar 24, 2016·Advanced Materials·Xinchun TianLudovico Cademartiri
Oct 6, 2015·Chemical Communications : Chem Comm·Yifan SiZhiguang Guo
Aug 5, 2015·Journal of the American Chemical Society·Matías H FactorovichDamián A Scherlis
Aug 8, 2015·Nature Communications·Chonglei HaoZuankai Wang
May 19, 2016·ACS Applied Materials & Interfaces·Tuo WangJames M Tour
Jun 1, 2016·Journal of Colloid and Interface Science·Yifan Si, Zhiguang Guo
Jul 14, 2016·Chemical Communications : Chem Comm·Jian-Bo XiePanče Naumov
Jul 16, 2016·Soft Matter·S HoshianS Franssila
Jul 28, 2016·Journal of the American Chemical Society·Ryo NishimuraKingo Uchida
Sep 10, 2016·Journal of Colloid and Interface Science·Yifan SiZhiguang Guo
Sep 23, 2016·ACS Applied Materials & Interfaces·Liwei ChenWeimin Liu
Sep 27, 2016·ACS Applied Materials & Interfaces·Xue BaiShun-Tian Jia
Oct 8, 2016·ACS Applied Materials & Interfaces·Christoph SchlaichRainer Haag
Nov 7, 2016·Journal of Colloid and Interface Science·Pratik KotharyPeng Jiang
Dec 28, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Junping ZhangXia Zhao
Dec 15, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Binyu ZhaoXu Deng
Jan 4, 2017·ACS Nano·Mingming LiuZhiguang Guo

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