Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 253, Issue 1-3, Pages 213-215Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2004.11.010
Keywords
PDMS; hydrophobic recovery; plasma oxidation; microcontact printing
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The effect of oxidation time and storage conditions on the surface wettability of thin films of polydimethylsiloxane (PDMS) spun cast onto glass slides was studied. Films were oxidized in a low temperature air plasma for either 1 min or 6 s and stored in either air, water, or hexadecane. Analysis of the sessile water contact angle with time shows that partial to complete hydrophobic recovery occurs within days under all conditions. (C) 2004 Elsevier B.V. All rights reserved.
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