About: Tin-based %22super-POSS%22 building blocks in epoxy nanocomposites with highly improved oxidation resistance

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About: Tin-based %22super-POSS%22 building blocks in epoxy nanocomposites with highly improved oxidation resistance Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A novel tin-based POSS analogue, butylstannoxane dodecamer, was incorporated as chemically active nanofiller in epoxy resins and achieved a considerable anti-oxidative activity already near 0.05 wt% and very high activity near 1 wt%. The amino-functional nanofiller, which bonds as a linear segment, displayed a high reactivity towards the resin components during cure and was very poorly extractable. Interestingly, at elevated temperatures, the stannoxane nanofiller, whose functional substituents are attached by ionic bonds, displays a considerable short-range mobility in the matrix, and in course of a nano-phase-separation process, rearranges and polymerizes to needle-like nano-domains. This effect leads to additional crosslinking in the nanocomposite. This “solid-phase nano-precipitation does not occur under oxidative conditions, where the nanofiller preferentially undergoes crosslinking with matrix chains and is thereby immobilized. Nanocomposite synthesis, characterization and the concentration dependence of the nanofiller effect are presented. A novel tin-based POSS analogue, butylstannoxane dodecamer, was incorporated as chemically active nanofiller in epoxy resins and achieved a considerable anti-oxidative activity already near 0.05 wt% and very high activity near 1 wt%. The amino-functional nanofiller, which bonds as a linear segment, displayed a high reactivity towards the resin components during cure and was very poorly extractable. Interestingly, at elevated temperatures, the stannoxane nanofiller, whose functional substituents are attached by ionic bonds, displays a considerable short-range mobility in the matrix, and in course of a nano-phase-separation process, rearranges and polymerizes to needle-like nano-domains. This effect leads to additional crosslinking in the nanocomposite. This “solid-phase nano-precipitation does not occur under oxidative conditions, where the nanofiller preferentially undergoes crosslinking with matrix chains and is thereby immobilized. Nanocomposite synthesis, characterization and the concentration dependence of the nanofiller effect are presented. (en)
Title	Tin-based %22super-POSS%22 building blocks in epoxy nanocomposites with highly improved oxidation resistance Tin-based %22super-POSS%22 building blocks in epoxy nanocomposites with highly improved oxidation resistance (en)
skos:prefLabel	Tin-based %22super-POSS%22 building blocks in epoxy nanocomposites with highly improved oxidation resistance Tin-based %22super-POSS%22 building blocks in epoxy nanocomposites with highly improved oxidation resistance (en)
skos:notation	RIV/61389013:_____/14:00431055!RIV15-GA0-61389013
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/11/2151)
http://linked.open...iv/cisloPeriodika	16
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Perchacz, Magdalena Starovoytova, Larisa Šlouf, Miroslav Trchová, Miroslava Strachota, Adam Steinhart, Miloš Strachota, Beata Rodzen, Krysztof
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	50602
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/14:00431055
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nanocomposite; POSS; stannoxane (en)
http://linked.open.../riv/klicoveSlovo	nanocomposite POSS stannoxane
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[F4C7C9349DE7]
http://linked.open...i/riv/nazevZdroje	Polymer
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	8 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...vavai/riv/projekt	Novel nanocomposite resins filled with functional stannoxane nanoparticles
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	55
http://linked.open...iv/tvurceVysledku	Starovoytova, Larisa Trchová, Miroslava Šlouf, Miroslav Strachota, Adam Steinhart, Miloš Ribot, F. Strachota, Beata Rodzen, Krysztof Perchacz, Magdalena
http://linked.open...ain/vavai/riv/wos	000340812300026
issn	0032-3861
number of pages	18 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.polymer.2014.06.002

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