Suppression of Hydrophobic Recovery by Plasma Polymer Films with Vertical Chemical Gradients

Vertical chemical gradients extending over a few nanometers were explored. The gradients are based on plasma-polymerized oxygen-containing ethylene (ppOEt) films. Using plasma conditions with low CO2/C2H4 ratio and high energy input, cross-linked films were deposited as base layer, while increasing...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 32(2016), 3 vom: 26. Jan., Seite 651-4
1. Verfasser: Hegemann, Dirk (VerfasserIn)
Weitere Verfasser: Lorusso, Emanuela, Butron-Garcia, Maria-Isabel, Blanchard, Noémi E, Rupper, Patrick, Favia, Pietro, Heuberger, Manfred, Vandenbossche, Marianne
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a Vertical chemical gradients extending over a few nanometers were explored. The gradients are based on plasma-polymerized oxygen-containing ethylene (ppOEt) films. Using plasma conditions with low CO2/C2H4 ratio and high energy input, cross-linked films were deposited as base layer, while increasing CO2 and lowering energy input resulted in less cross-linked yet highly functional films as applied as top layer. Aging studies indicate that, in particular, for very thin gradient structures, the cross-linked subsurface zone effectively hinders reorientation of the surface functional groups, thus restricting hydrophobic recovery and oxidation effects 
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700 1 |a Butron-Garcia, Maria-Isabel  |e verfasserin  |4 aut 
700 1 |a Blanchard, Noémi E  |e verfasserin  |4 aut 
700 1 |a Rupper, Patrick  |e verfasserin  |4 aut 
700 1 |a Favia, Pietro  |e verfasserin  |4 aut 
700 1 |a Heuberger, Manfred  |e verfasserin  |4 aut 
700 1 |a Vandenbossche, Marianne  |e verfasserin  |4 aut 
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