Title: To Adjust Wetting Properties of Organic Surface by In Situ Photoreaction of Aromatic Azide
Authors: Shi, Feng ×
Niu, Jia
Liu, Zan
Wang, Zhiqiang
Smet, Mario
Dehaen, Wim
Qiu, Yong
Zhang, Xi #
Issue Date: Jan-2007
Publisher: American Chemical Society
Series Title: Langmuir vol:23 issue:3 pages:1253-1257
Abstract: This article describes development of a simple and convenient method to provide stable low-surface-energy coatings on organic surfaces, by designing and synthesizing a surface-reactive molecule 4-azido-N-dodecylbenzamide, which bears an azide group as the reactive surface anchor and an alkyl chain as the hydrophobic tail. After the hydrophobic modification, rough organic surfaces with contact angle of about 0 degrees can change their surface wetting properties from superhydrophilicity to superhydrophobicity, whose contact angles are above 152 degrees and tilt angles lower than 5 degrees . Moreover, by changing the alkyl chain to a PEO segment, a similar concept can be used to adjust the surface wetting properties from hydrophobic (contact angle approximately 130 degrees ) to superhydrophilic (contact angle approximately 0 degrees ).
ISSN: 0743-7463
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Design and Synthesis
Polymer Chemistry and Materials
× corresponding author
# (joint) last author

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