Thermal annealing treatment to achieve switchable and reversible oleophobicity on fabrics

Langmuir : the ACS Journal of Surfaces and Colloids
Shreerang S ChhatreRobert E Cohen

Abstract

Surfaces that are strongly nonwetting to oil and other low surface tension liquids can be realized by trapping microscopic pockets of air within the asperities of a re-entrant texture and generating a solid-liquid-vapor composite interface. For low surface tension liquids such as hexadecane (gamma(lv) = 27.5 mN/m), this composite interface is metastable as a result of the low value of the equilibrium contact angle. Consequently, pressure perturbations can result in an irreversible transition of the metastable composite interface to the fully wetted interface. In this work, we use a simple dip-coating and thermal annealing procedure to tune the liquid wettability of commercially available polyester fabrics. A mixture of 10% 1H,1H,2H,2H-heptadecafluorodecyl polyhedral oligomeric silsesquioxane (fluorodecyl POSS) and 90% polyethyl methacrylate (PEMA) is used to uniformly coat the fabric surface topography. Contact angle measurements show that a robust metastable composite interface with high apparent contact angles can be supported for hexadecane (gamma(lv) = 27.5 mN/m) and dodecane (gamma(lv) = 25.3 mN/m). To tune the solid surface energy of the coated surface, we also developed a reversible treatment using thermal annealing of t...Continue Reading

References

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Feb 14, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·Michael Nosonovsky
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Nov 8, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·H F HoefnagelsW Ming
Dec 8, 2007·Science·Anish TutejaRobert E Cohen
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Nov 13, 2008·Proceedings of the National Academy of Sciences of the United States of America·Anish TutejaRobert E Cohen
Feb 10, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Boxun LengWeihua Ming

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Citations

May 20, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Jin YangXiaoyan Zhou
Jul 7, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Raymond CamposJoseph M Mabry
Oct 29, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Xiaotao ZhuQunji Xue
Feb 23, 2013·ACS Applied Materials & Interfaces·V Anand GaneshSeeram Ramakrishna
May 8, 2013·ACS Applied Materials & Interfaces·Lester LiDennis W Hess
Dec 14, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Ludmila B BoinovichYoke Khin Yap
May 23, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·Raymond CamposJoseph M Mabry
Feb 2, 2016·Environmental Science & Technology·Zhangxin WangShihong Lin
Mar 10, 2016·Environmental Science & Technology·Zhangxin WangShihong Lin
Nov 15, 2013·Angewandte Chemie·Kevin GolovinAnish Tuteja
May 4, 2017·Chemical Society Reviews·Jiale YongXun Hou
Oct 19, 2019·Soft Matter·J CimadoroE Cerda
Dec 17, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Shreerang S ChhatreRobert E Cohen
Oct 19, 2010·ACS Applied Materials & Interfaces·Adam J MeulerRobert E Cohen
Nov 12, 2010·ACS Applied Materials & Interfaces·Shreerang S ChhatreRobert E Cohen

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