About: Dynamic behavior of acrylic acid clusters as quasi-mobile nodes in a model of hydrogel network

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About: Dynamic behavior of acrylic acid clusters as quasi-mobile nodes in a model of hydrogel network Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Using a molecular dynamics simulation, we study the thermo-mechanical behavior of a model hydrogel subject to deformation and change in temperature. The model is found to describe qualitatively poly-lactide-glycolide hydrogels in which acrylic acid (AA)-groups are believed to play the role of quasi-mobile nodes in the formation of a network. From our extensive analysis of the structure, formation, and disintegration of the AA-groups, we are able to elucidate the relationship between structure and viscous-elastic behavior of the model hydrogel. Thus, in qualitative agreement with observations, we find a softening of the mechanical response at large deformations, which is enhanced by growing temperature. Several observables as the non-affinity parameter A and the network rearrangement parameter V indicate the existence of a (temperature-dependent) threshold degree of deformation beyond which the quasi-elastic response of the model system turns over into plastic (ductile) one. The critical stretching whe Using a molecular dynamics simulation, we study the thermo-mechanical behavior of a model hydrogel subject to deformation and change in temperature. The model is found to describe qualitatively poly-lactide-glycolide hydrogels in which acrylic acid (AA)-groups are believed to play the role of quasi-mobile nodes in the formation of a network. From our extensive analysis of the structure, formation, and disintegration of the AA-groups, we are able to elucidate the relationship between structure and viscous-elastic behavior of the model hydrogel. Thus, in qualitative agreement with observations, we find a softening of the mechanical response at large deformations, which is enhanced by growing temperature. Several observables as the non-affinity parameter A and the network rearrangement parameter V indicate the existence of a (temperature-dependent) threshold degree of deformation beyond which the quasi-elastic response of the model system turns over into plastic (ductile) one. The critical stretching whe (en)
Title	Dynamic behavior of acrylic acid clusters as quasi-mobile nodes in a model of hydrogel network Dynamic behavior of acrylic acid clusters as quasi-mobile nodes in a model of hydrogel network (en)
skos:prefLabel	Dynamic behavior of acrylic acid clusters as quasi-mobile nodes in a model of hydrogel network Dynamic behavior of acrylic acid clusters as quasi-mobile nodes in a model of hydrogel network (en)
skos:notation	RIV/00216305:26620/12:PU103380!RIV13-MSM-26620___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068)
http://linked.open...iv/cisloPeriodika	24
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Žídek, Jan
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	Vysoké učení technické v Brně / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	132482
http://linked.open...ai/riv/idVysledku	RIV/00216305:26620/12:PU103380
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hydrogel, molecular dynamics, plastic deformation, network, nodes (en)
http://linked.open.../riv/klicoveSlovo	network plastic deformation molecular dynamics nodes hydrogel
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[EA9D7A04FFFC]
http://linked.open...i/riv/nazevZdroje	The Journal of Chemical Physics
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	137
http://linked.open...iv/tvurceVysledku	Žídek, Jan Milchev, Andrey Vilgis, Thomas
issn	0021-9606
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	26620

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