Response of Plasma-Polymerized Hexamethyldisiloxane Films to Aqueous Environments

Thin plasma polymer films were deposited in hexamethyldisiloxane (HMDSO) and HMDSO/O2 low-pressure discharges and their chemical structures analyzed using infrared (IR) spectroscopy and neutron reflectometry (NR). The (plasma-polymerized) ppHMDSO film exhibits hydrophobic, poly(dimethylsiloxane)-lik...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 31(2015), 47 vom: 01. Dez., Seite 12944-53
1. Verfasser: Blanchard, Noemi E (VerfasserIn)
Weitere Verfasser: Naik, Vikrant V, Geue, Thomas, Kahle, Olaf, Hegemann, Dirk, Heuberger, Manfred
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Siloxanes Water 059QF0KO0R hexamethyldisiloxane D7M4659BPU
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520 |a Thin plasma polymer films were deposited in hexamethyldisiloxane (HMDSO) and HMDSO/O2 low-pressure discharges and their chemical structures analyzed using infrared (IR) spectroscopy and neutron reflectometry (NR). The (plasma-polymerized) ppHMDSO film exhibits hydrophobic, poly(dimethylsiloxane)-like properties, while the retention of carbon groups is reduced by O2 addition, yielding a more inorganic, hydrophilic ppSiOx film. Both films show a minor (vertical) density gradient perpendicular to the substrate, where the exposed film surface seems to be more oxidized, indicating oxidative aging reactions upon contact with air. The hydration and water uptake abilities of the films in aqueous environments were investigated in humid environments using ellipsometry, NR in D2O, and multiple transmission-reflection IR measurements after equilibration of the films in water 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Naik, Vikrant V  |e verfasserin  |4 aut 
700 1 |a Geue, Thomas  |e verfasserin  |4 aut 
700 1 |a Kahle, Olaf  |e verfasserin  |4 aut 
700 1 |a Hegemann, Dirk  |e verfasserin  |4 aut 
700 1 |a Heuberger, Manfred  |e verfasserin  |4 aut 
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