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

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... Full description

Journal Title: Science (New York N.Y.), 06 March 2015, Vol.347(6226), pp.1132-5
Main Author: Lu, Yao
Other Authors: Sathasivam, Sanjayan , Song, Jinlong , Crick, Colin R , Carmalt, Claire J , Parkin, Ivan P
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1095-9203 ; PMID: 25745169 Version:1 ; DOI: 10.1126/science.aaa0946
Link: http://pubmed.gov/25745169
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recordid: medline25745169
title: Repellent materials. Robust self-cleaning surfaces that function when exposed to either air or oil
format: Article
creator:
  • Lu, Yao
  • Sathasivam, Sanjayan
  • Song, Jinlong
  • Crick, Colin R
  • Carmalt, Claire J
  • Parkin, Ivan P
subjects:
  • Paper
  • Coating
  • Titanium Dioxide
  • Cloth
  • Protective Coatings
  • Painting
  • Glass
  • Paints
  • Miscellaneous Sciences (So)
  • (An)
ispartof: Science (New York, N.Y.), 06 March 2015, Vol.347(6226), pp.1132-5
description: 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.
language: eng
source:
identifier: E-ISSN: 1095-9203 ; PMID: 25745169 Version:1 ; DOI: 10.1126/science.aaa0946
fulltext: fulltext
issn:
  • 10959203
  • 1095-9203
url: Link


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