About: Cobalt-Organovermiculite Arrangement and Mechanical Properties: Models and Experiments

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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
rdfs:seeAlso	http://www.ingentaconnect.com/content/asp/jctn/2014/00000011/00000011/art00018?token=004318c7f8a7c316405847447b49762f7b31516f3b745f66483375686f23f4e01e8
Description	The layered structure of the clay mineral, vermiculite, was organophilized with amine molecules and ammonium cations. Enrichment with cobalt was obtained using intercalative process in aqueous environment for ammonium cations and melting-milling intercalation for amine. Each of Co-organovermiculites represents different type of arrangement in clays gallery as revealed by molecular models. Cations Co2+ are partly immersed in to silicate layer and aliphatic chains of ammonium cations are repelled form place of metal cation interaction. Amine in organovermiculite is arranged as lateral double-layer molecules and cobalt atom is positioned in random place in the gallery. Based on the modeled data the properties and mechanical parameters of both Co-organovermiculites was established. Very high compressibility value (82.5 TPa-1) of CoHDTMA-VMT results from the paraffin-like arrangement in the clay gallery and low density 1.25 g.cm(-3). CoDDA-VMT low compressibility (3.5 TPa-1) because it is closely packed system with inorganic and organic species in vermiculite interlayer; density is higher 2.031 g.cm(-3). Bulk and shear modulus are smaller for CoHDTMA-VMT. The layered structure of the clay mineral, vermiculite, was organophilized with amine molecules and ammonium cations. Enrichment with cobalt was obtained using intercalative process in aqueous environment for ammonium cations and melting-milling intercalation for amine. Each of Co-organovermiculites represents different type of arrangement in clays gallery as revealed by molecular models. Cations Co2+ are partly immersed in to silicate layer and aliphatic chains of ammonium cations are repelled form place of metal cation interaction. Amine in organovermiculite is arranged as lateral double-layer molecules and cobalt atom is positioned in random place in the gallery. Based on the modeled data the properties and mechanical parameters of both Co-organovermiculites was established. Very high compressibility value (82.5 TPa-1) of CoHDTMA-VMT results from the paraffin-like arrangement in the clay gallery and low density 1.25 g.cm(-3). CoDDA-VMT low compressibility (3.5 TPa-1) because it is closely packed system with inorganic and organic species in vermiculite interlayer; density is higher 2.031 g.cm(-3). Bulk and shear modulus are smaller for CoHDTMA-VMT. (en)
Title	Cobalt-Organovermiculite Arrangement and Mechanical Properties: Models and Experiments Cobalt-Organovermiculite Arrangement and Mechanical Properties: Models and Experiments (en)
skos:prefLabel	Cobalt-Organovermiculite Arrangement and Mechanical Properties: Models and Experiments Cobalt-Organovermiculite Arrangement and Mechanical Properties: Models and Experiments (en)
skos:notation	RIV/61989100:27640/14:86092239!RIV15-MSM-27640___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0070), P(GAP210/11/2215)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Čech Barabaszová, Karla Valášková, Marta Simha Martynková, Gražyna Hundáková, Marianna
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	Vysoká škola báňská - Technická univerzita Ostrava / Centrum nanotechnologií
http://linked.open...dnocenehoVysledku	7676
http://linked.open...ai/riv/idVysledku	RIV/61989100:27640/14:86092239
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mechanical properties; X-Ray diffraction; molecular modeling; cobalt; organovermiculite (en)
http://linked.open.../riv/klicoveSlovo	cobalt mechanical properties molecular modeling organovermiculite X-Ray diffraction
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[A4FAEABD4485]
http://linked.open...i/riv/nazevZdroje	Journal of Computational and Theoretical Nanoscience
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Study and evaluation of vermiculite structures modified in role of nanofillers and substrates IT4Innovations Centre of Excellence
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	11
http://linked.open...iv/tvurceVysledku	Hundáková, Marianna Simha Martynková, Gražyna Valášková, Marta Čech Barabaszová, Karla
http://linked.open...ain/vavai/riv/wos	000342179800018
issn	1546-1955
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1166/jctn.2014.3652
http://localhost/t...ganizacniJednotka	27640

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