About: Rheokinetics of Linear Polybutadiene-Based Polyurethanes Affirms Universal Course of Curing

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Curing of sixteen dihydroxypolybutadiene-based polyurethane compositions was studied by oscillatory rheometry in a broad time interval. The compositions contained chain extender only, consequently, preferably physical crosslinks were formed. The individual samples differed also in the miscibility and reactivity of their components. Studied linear polyurethanes showed the same general curing behaviour as chemically crosslinked systems investigated in previous work. Regardless of type of the crosslinks, miscibility and reactivity of components development of structures responsible for the viscous response precede development of the elastically effective structures which is faster at the beginning. Formation and evolution of the physical and chemical networks, in systems of different miscibility or reactivity are in general identical at least from the small deformation standpoint. Mechanical properties of final product are, however, affected by both the reactivity and miscibility of reacting components. Curing of sixteen dihydroxypolybutadiene-based polyurethane compositions was studied by oscillatory rheometry in a broad time interval. The compositions contained chain extender only, consequently, preferably physical crosslinks were formed. The individual samples differed also in the miscibility and reactivity of their components. Studied linear polyurethanes showed the same general curing behaviour as chemically crosslinked systems investigated in previous work. Regardless of type of the crosslinks, miscibility and reactivity of components development of structures responsible for the viscous response precede development of the elastically effective structures which is faster at the beginning. Formation and evolution of the physical and chemical networks, in systems of different miscibility or reactivity are in general identical at least from the small deformation standpoint. Mechanical properties of final product are, however, affected by both the reactivity and miscibility of reacting components. (en) Síťování polybutadienových polyurethanů o různém složení (16 vzroků) studované oscilační reometrií v čase. (cs)
Title	Rheokinetics of Linear Polybutadiene-Based Polyurethanes Affirms Universal Course of Curing Rheokinetics of Linear Polybutadiene-Based Polyurethanes Affirms Universal Course of Curing (en) Reokinetika lineárních polybutadienových polyurethanů potvrzuje univerzální průběh síťování (cs)
skos:prefLabel	Rheokinetics of Linear Polybutadiene-Based Polyurethanes Affirms Universal Course of Curing Rheokinetics of Linear Polybutadiene-Based Polyurethanes Affirms Universal Course of Curing (en) Reokinetika lineárních polybutadienových polyurethanů potvrzuje univerzální průběh síťování (cs)
skos:notation	RIV/00216305:26310/07:PU69924!RIV08-MSM-26310___
http://linked.open.../vavai/riv/strany	119-128
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021630501)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Kopecký, Pavel Pekař, Miloslav
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 / Fakulta chemická
http://linked.open...dnocenehoVysledku	447794
http://linked.open...ai/riv/idVysledku	RIV/00216305:26310/07:PU69924
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Polyurethane, curing, miscibility, deformation, mechanical properties, hard segment (en)
http://linked.open.../riv/klicoveSlovo	Polyurethane mechanical properties curing miscibility hard segment deformation
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[DB46B0BDBE95]
http://linked.open...i/riv/nazevZdroje	Journal of Polymer Materials
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	24
http://linked.open...iv/tvurceVysledku	Pekař, Miloslav Kopecký, Pavel
http://linked.open...n/vavai/riv/zamer	Multifunkční heterogenní materiály na bázi syntetických polymerů a biopolymerů
issn	0970-0838
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	26310

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