About: Diluent induced cyclization and phase separation in polymer networks

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The effect of the presence of diluent during network formation on the gel-point conversion, αcrit, and on the equilibrium elastic modulus was studied using polyurethane networks from star-shaped polyols and a star-shaped triisocyanate.The dependence of αcrit on reciprocal concentration of functional groups,1/c0, extrapolated well for 1/c0—0 to the value calculated corresponding to the ring-free system.The decrease of the equilibrium modulus and the concentration of elastically active network chains (EANC) in dependence on the volume fraction of polymerizable compounds (solids).The continuous change of gel volume as a result of phase separation was obtained by solving an integral equation respecting the thermodynamic stability of the system.The change of the concentration of EANCs obtained from equilibrium modulus was translated into the intermolecular conversion calculated using the branching theory. Intermolecular conversion depended linearly on the shift of the gel-point conversion. The effect of the presence of diluent during network formation on the gel-point conversion, αcrit, and on the equilibrium elastic modulus was studied using polyurethane networks from star-shaped polyols and a star-shaped triisocyanate.The dependence of αcrit on reciprocal concentration of functional groups,1/c0, extrapolated well for 1/c0—0 to the value calculated corresponding to the ring-free system.The decrease of the equilibrium modulus and the concentration of elastically active network chains (EANC) in dependence on the volume fraction of polymerizable compounds (solids).The continuous change of gel volume as a result of phase separation was obtained by solving an integral equation respecting the thermodynamic stability of the system.The change of the concentration of EANCs obtained from equilibrium modulus was translated into the intermolecular conversion calculated using the branching theory. Intermolecular conversion depended linearly on the shift of the gel-point conversion. (en)
Title	Diluent induced cyclization and phase separation in polymer networks Diluent induced cyclization and phase separation in polymer networks (en)
skos:prefLabel	Diluent induced cyclization and phase separation in polymer networks Diluent induced cyclization and phase separation in polymer networks (en)
skos:notation	RIV/61389013:_____/11:00366161!RIV12-AV0-61389013
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/08/1409), Z(AV0Z40500505), Z(MSM0021620835)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Dušek, Karel Dušková-Smrčková, Miroslava Ďuračková, Andrea
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	194709
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/11:00366161
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	cyclization; elasticity; gelation (en)
http://linked.open.../riv/klicoveSlovo	cyclization gelation elasticity
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[39CA7CF0CC86]
http://linked.open...i/riv/nazevZdroje	Macromolecular Symposia
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Role of structure of crosslinked polymer matrix in particulate composites. Multiscale modeling and experimental verification.
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	306-307
http://linked.open...iv/tvurceVysledku	Dušek, Karel Dušková-Smrčková, Miroslava Valentová, H. Ďuračková, Andrea
http://linked.open...ain/vavai/riv/wos	000298857300008
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie Fyzika molekulárních, makromolekulárních a biologických systémů
issn	1022-1360
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/masy.201000133

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