About: Plasma polymer films of tetravinylsilane modified by UV irradiation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	As-deposited plasma polymer films of tetravinylsilane were modified by UV irradiation at ambient conditions. Surface and bulk spectroscopic techniques confirmed significant changes in chemical composition and structure that resulted in increased mechanical constants (Young's modulus, hardness) and density of the material due to the formation of a stronger polymer network with higher cross-linking. A decrease of the refractive index and extinction coefficient of the UV-irradiated material was caused by UV-induced chain scission and subsequent oxidation of the plasma polymer network. The surface morphology (RMS roughness) and wettability (surface free energy) of films can be controlled by UV exposition time. The most intensive aging effect was observed for the as-deposited film; in contrast, the 1000-min-UV-irradiated film appeared stable over 134 days. UV treatment can be characterized as an effective tool for additional tailoring of plasma polymer films according to their applications. As-deposited plasma polymer films of tetravinylsilane were modified by UV irradiation at ambient conditions. Surface and bulk spectroscopic techniques confirmed significant changes in chemical composition and structure that resulted in increased mechanical constants (Young's modulus, hardness) and density of the material due to the formation of a stronger polymer network with higher cross-linking. A decrease of the refractive index and extinction coefficient of the UV-irradiated material was caused by UV-induced chain scission and subsequent oxidation of the plasma polymer network. The surface morphology (RMS roughness) and wettability (surface free energy) of films can be controlled by UV exposition time. The most intensive aging effect was observed for the as-deposited film; in contrast, the 1000-min-UV-irradiated film appeared stable over 134 days. UV treatment can be characterized as an effective tool for additional tailoring of plasma polymer films according to their applications. (en)
Title	Plasma polymer films of tetravinylsilane modified by UV irradiation Plasma polymer films of tetravinylsilane modified by UV irradiation (en)
skos:prefLabel	Plasma polymer films of tetravinylsilane modified by UV irradiation Plasma polymer films of tetravinylsilane modified by UV irradiation (en)
skos:notation	RIV/00216305:26310/09:PU84442!RIV10-MSM-26310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(KAN101120701), P(ME09061)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Čech, Vladimír Kontárová, Soňa Trivedi, Rutul Rajendra
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta chemická
http://linked.open...dnocenehoVysledku	333604
http://linked.open...ai/riv/idVysledku	RIV/00216305:26310/09:PU84442
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Thin film, PECVD, tetravinylsilane, UV irradiation (en)
http://linked.open.../riv/klicoveSlovo	tetravinylsilane PECVD Thin film UV irradiation
http://linked.open...ontrolniKodProRIV	[DBB40175B5BB]
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Nanocomposite films and nanoparticles prepared in low pressure plasma for surface modifications Developoment of functional interlayers for polymer composites with controlled interphase
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Čech, Vladimír Caha, Ondřej Peřina, Vratislav Trivedi, Rutul Rajendra Zemek, Josef Mikulík, Petr Lichovníková, Soňa
http://localhost/t...ganizacniJednotka	26310

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