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| rdf:type
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| Description
| - V této studii byly srovnávány dvě metody modifikace mikrokuliček poly[(glycidyl methacrylát)-co-(ethylene dimethacrylátu)] močovinou. Nejprve byly funkční skupiny močoviny chemicky navázány na výchozí kopolymer. U suspenzí v silikonovém oleji byl pozorován v elektrickém poli výrazný vzrůst soufázového modulu v porovnání se ztrátovým modulem. Na druhou stranu byl elektroreologický efekt u suspenzí částic pokrytých fyzikálně vázanou močovinou pouze mírně silnější než u nemodifikovaného materiálu. Tento rozdíl se může vysvětlovat slabým pokrytím hydrofobního povrchu mikročástic hydrofilní močovinou. Na základě dielektrických měření je mezifázová polarizace odpovědná za formování řetízkové struktury modifikovaných mikrokuliček v elektrickém poli způsobující elektroreologický efekt. (cs)
- Two methods of modification of poly[(glycidyl methacrylate)-co-(ethylene dimethacrylate)] microspheres with urea were examined in this electrorheological (ER) study. First, the urea functional groups were introduced by chemical modification of the starting copolymer. A significant increase in storage modulus of the silicone oil suspension was observed compared with the loss modulus when an electric field is applied. On the other hand, the ER effect in suspension of particles coated with physically bonded urea was only slightly higher than that of untreated material. This is explained by poor coating of the hydrophobic microparticle surface with hydrophilic urea. According to dielectric measurements, the interfacial polarization was found to be responsible for the formation of chain structure of modified microspheres in the electric field resulting in the ER effect.
- Two methods of modification of poly[(glycidyl methacrylate)-co-(ethylene dimethacrylate)] microspheres with urea were examined in this electrorheological (ER) study. First, the urea functional groups were introduced by chemical modification of the starting copolymer. A significant increase in storage modulus of the silicone oil suspension was observed compared with the loss modulus when an electric field is applied. On the other hand, the ER effect in suspension of particles coated with physically bonded urea was only slightly higher than that of untreated material. This is explained by poor coating of the hydrophobic microparticle surface with hydrophilic urea. According to dielectric measurements, the interfacial polarization was found to be responsible for the formation of chain structure of modified microspheres in the electric field resulting in the ER effect. (en)
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| Title
| - Electrorheology of silicone oil suspensions of urea-modified poly[(glycidyl methacrylate)-co-(ethylene dimethacrylate)] particles
- Elektroreologie suspenzí močovinou modifikovaných částic poly[(glycidyl methacrylát)-co-(ethylene dimethacrylátu)] v silikonovém oleji (cs)
- Electrorheology of silicone oil suspensions of urea-modified poly[(glycidyl methacrylate)-co-(ethylene dimethacrylate)] particles (en)
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| skos:prefLabel
| - Electrorheology of silicone oil suspensions of urea-modified poly[(glycidyl methacrylate)-co-(ethylene dimethacrylate)] particles
- Elektroreologie suspenzí močovinou modifikovaných částic poly[(glycidyl methacrylát)-co-(ethylene dimethacrylátu)] v silikonovém oleji (cs)
- Electrorheology of silicone oil suspensions of urea-modified poly[(glycidyl methacrylate)-co-(ethylene dimethacrylate)] particles (en)
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| skos:notation
| - RIV/61389013:_____/07:00324040!RIV09-AV0-61389013
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(2B06053), Z(AV0Z40500505)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
| |
| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/61389013:_____/07:00324040
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Electrorheology; Suspension; Poly(glycidyl methacrylate-co-(ethylene dimethacrylate) (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Physica. A : Statistical Mechanics and its Applications
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
| |
| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
| |
| http://linked.open...UplatneniVysledku
| |
| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Horák, Daniel
- Pavlínek, V.
- Quadrat, Otakar
- Sáha, P.
- Beneš, Milan J.
- Belza, T.
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| http://linked.open...ain/vavai/riv/wos
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| is http://linked.open...avai/riv/vysledek
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