About: Property evaluation and structure analysis of polyurethane/epoxy graft interpenetrating polymer networks

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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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Polyurethanes obtained from 4,4´-diphenylmethane diisocyanate (MDI) and polydiols with different molecular weights (polyethylene glycol and polyoxypropylene diols) were used as modifiers for diglycidyl ether of bisphenol A. Impact strength (IS), critical stress intensity factor (KC), flexural strength and flexural strain at break were measured as a function of polyurethane (PUR) type and content. Scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and infrared spectroscopy (FTIR) were employed for the structure and morphology analysis. It was found that the addition of polyurethane with an excess of isocyanate groups to epoxy resin resulted in the formation of a grafted interpenetrating polymer network structure. The mechanical properties of epoxy resin were improved with 5 and 10% PUR. Moreover, it was observed that composites containing PUR based on higher molecular weight (PUR 1002 and PUR 2002) with long flexible segments exhibited higher impact strength while PUR prepared from polyethylene glycol had a higher flexural energy to break and a higher flexural modulus. Polyurethanes obtained from 4,4´-diphenylmethane diisocyanate (MDI) and polydiols with different molecular weights (polyethylene glycol and polyoxypropylene diols) were used as modifiers for diglycidyl ether of bisphenol A. Impact strength (IS), critical stress intensity factor (KC), flexural strength and flexural strain at break were measured as a function of polyurethane (PUR) type and content. Scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and infrared spectroscopy (FTIR) were employed for the structure and morphology analysis. It was found that the addition of polyurethane with an excess of isocyanate groups to epoxy resin resulted in the formation of a grafted interpenetrating polymer network structure. The mechanical properties of epoxy resin were improved with 5 and 10% PUR. Moreover, it was observed that composites containing PUR based on higher molecular weight (PUR 1002 and PUR 2002) with long flexible segments exhibited higher impact strength while PUR prepared from polyethylene glycol had a higher flexural energy to break and a higher flexural modulus. (en)
Title	Property evaluation and structure analysis of polyurethane/epoxy graft interpenetrating polymer networks Property evaluation and structure analysis of polyurethane/epoxy graft interpenetrating polymer networks (en)
skos:prefLabel	Property evaluation and structure analysis of polyurethane/epoxy graft interpenetrating polymer networks Property evaluation and structure analysis of polyurethane/epoxy graft interpenetrating polymer networks (en)
skos:notation	RIV/70883521:28110/11:43865693!RIV12-MSM-28110___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM7088352101)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Hausnerová, Berenika Kostrzewa, Marcin
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	Univerzita Tomáše Bati ve Zlíně / Fakulta technologická
http://linked.open...dnocenehoVysledku	224699
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/11:43865693
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	resins; polyurethanes; mechanical properties; interpenetrating polymer networks (IPN); composites (en)
http://linked.open.../riv/klicoveSlovo	mechanical properties composites resins polyurethanes interpenetrating polymer networks (IPN)
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[C60E8396D657]
http://linked.open...i/riv/nazevZdroje	Journal of Applied Polymer Science
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	122
http://linked.open...iv/tvurceVysledku	Hausnerová, Berenika Kostrzewa, Marcin Bakar, Mohamed Abu Dalka, M.
http://linked.open...ain/vavai/riv/wos	000293849200031
http://linked.open...n/vavai/riv/zamer	Multifunctional Composite Systems Based on Natural and Synthetic Polymers
issn	0021-8995
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/app.34070
http://localhost/t...ganizacniJednotka	28110

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