About: 1 H MAS NMR study of structure of hybrid siloxane-based networks and the interaction with quartz filler.

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About: 1 H MAS NMR study of structure of hybrid siloxane-based networks and the interaction with quartz filler. Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The interaction of silanol protons with quartz filler in hybrid siloxane networks prepared by acid-catalyzed polycondensation of tetraethoxysilane (TEOS), dimethyldiethoxysilane (DMDEOS) and methyltriethoxysilane (MTEOS) was studied by 1 H MAS NMR spectroscopy. Resulting siloxane networks form very thin layers at the surface of the quartz grains containing no free or highly mobile water or isolated silanols. The present water molecules and silanols are very strongly hydrogen-bonded to bridging oxygen of quartz particles. Such hydrogen bonds significantly contribute to mechanical strength of the filled network. The interaction of silanol protons with quartz filler in hybrid siloxane networks prepared by acid-catalyzed polycondensation of tetraethoxysilane (TEOS), dimethyldiethoxysilane (DMDEOS) and methyltriethoxysilane (MTEOS) was studied by 1 H MAS NMR spectroscopy. Resulting siloxane networks form very thin layers at the surface of the quartz grains containing no free or highly mobile water or isolated silanols. The present water molecules and silanols are very strongly hydrogen-bonded to bridging oxygen of quartz particles. Such hydrogen bonds significantly contribute to mechanical strength of the filled network. (en)
Title	1 H MAS NMR study of structure of hybrid siloxane-based networks and the interaction with quartz filler. 1 H MAS NMR study of structure of hybrid siloxane-based networks and the interaction with quartz filler. (en)
skos:prefLabel	1 H MAS NMR study of structure of hybrid siloxane-based networks and the interaction with quartz filler. 1 H MAS NMR study of structure of hybrid siloxane-based networks and the interaction with quartz filler. (en)
skos:notation	RIV/61389013:_____/01:55010302!RIV/2003/AV0/A55003/N
http://linked.open.../vavai/riv/strany	61;71
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/98/P290), P(KSK2050602), Z(AV0Z4050913)
http://linked.open...iv/cisloPeriodika	1-3
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Brus, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	703232
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/01:55010302
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hybrid siloxane networks; 1 H MAS NMR spectroscopy; hydrogen bonds (en)
http://linked.open.../riv/klicoveSlovo	1 H MAS NMR spectroscopy hybrid siloxane networks hydrogen bonds
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[E49AFCEC82E0]
http://linked.open...i/riv/nazevZdroje	Journal of Non-Crystalline Solids
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Structure and molecular dynamics of polysiloxane networks investigated by solid-state NMR spectroscopy Targeted synthesis of chemical compounds with defined properties
http://linked.open...UplatneniVysledku	2001
http://linked.open...v/svazekPeriodika	281
http://linked.open...iv/tvurceVysledku	Brus, Jiří Škrdlantová, M.
http://linked.open...n/vavai/riv/zamer	Cílená syntéza a studium chemických, fyzikálně-chemických a fyzikálních vlastností makromolekulárních a nadmolekulárních látek a soustav pro vyspělé technologie
issn	0022-3093
number of pages	11 (xsd:int)

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