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Issue 1, 2013

Long perfluoroalkyl chains are not required for dynamically oleophobic surfaces

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Abstract

Dynamically oleophobic surfaces for alkane liquids, such as n-decane, n-dodecane and n-hexadecane, were successfully prepared using a simple sol–gel mixture containing 3,3,3-trifluoropropyltrimethoxysilane (FAS3) and tetramethoxysilane (TMOS). Due to the enhancement of the motion of functional groups by addition of TMOS as a molecular spacer, small volume alkane droplets (3 μL) could be easily set in motion to move across and off our hybrid surfaces without pinning at low tilt angles (∼10°), and without relying on conventional surface roughening and long-chain perfluoroalkylsilanes.

Graphical abstract: Long perfluoroalkyl chains are not required for dynamically oleophobic surfaces

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Article information


Submitted
06 Sep 2012
Accepted
12 Nov 2012
First published
12 Nov 2012

Green Chem., 2013,15, 100-104
Article type
Communication

Long perfluoroalkyl chains are not required for dynamically oleophobic surfaces

J. Park, C. Urata, B. Masheder, D. F. Cheng and A. Hozumi, Green Chem., 2013, 15, 100 DOI: 10.1039/C2GC36415H

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