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Description
  • V práci byly použity základní principy polymerní fyziky + perkolační model pro popis relaxačního chování PVAc-HA nanokompozitu. (cs)
  • Fundamental principles of polymer physics were used for description of relaxation behavior of polymer chain near solid surface. In a nanocomposite, considerable portion of polymer matrix is in contact with the filler surface even at very low filler loadings. In this study, nanocomposite was considered as a two component system consisting of (i) bulk polymer matrix and (ii) effective particles composed of adsorbed polymer shell and filler particle core. Both polymer phases, i.e., bulk and immobilized, are able to relax, however, each of them on a different time scale. Thus, above the neat matrix Tg, these two phases undergo (i) free and (ii) retarded reptation dynamics due to the adsorption processes on the filler surface, respectively. Relaxation time was calculated for each phase using the reptation theory. To calculate the mixed response of the whole polymer nanocomposite, a simple rule of mixtures model and percolation model were used. Calculated composite relaxation times were correlated with expe
  • Fundamental principles of polymer physics were used for description of relaxation behavior of polymer chain near solid surface. In a nanocomposite, considerable portion of polymer matrix is in contact with the filler surface even at very low filler loadings. In this study, nanocomposite was considered as a two component system consisting of (i) bulk polymer matrix and (ii) effective particles composed of adsorbed polymer shell and filler particle core. Both polymer phases, i.e., bulk and immobilized, are able to relax, however, each of them on a different time scale. Thus, above the neat matrix Tg, these two phases undergo (i) free and (ii) retarded reptation dynamics due to the adsorption processes on the filler surface, respectively. Relaxation time was calculated for each phase using the reptation theory. To calculate the mixed response of the whole polymer nanocomposite, a simple rule of mixtures model and percolation model were used. Calculated composite relaxation times were correlated with expe (en)
Title
  • Relaxation processes in PVAc-HA nanocomposites
  • Relaxation processes in PVAc-HA nanocomposites (en)
  • Relaxační procesy v PVAc-HA nanokompozitech (cs)
skos:prefLabel
  • Relaxation processes in PVAc-HA nanocomposites
  • Relaxation processes in PVAc-HA nanocomposites (en)
  • Relaxační procesy v PVAc-HA nanokompozitech (cs)
skos:notation
  • RIV/00216305:26310/07:PU70950!RIV08-MSM-26310___
http://linked.open.../vavai/riv/strany
  • 1380-1388
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM0021630501)
http://linked.open...iv/cisloPeriodika
  • 11
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 447236
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26310/07:PU70950
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • nanocomposites, viscoelastic properties, molecular modeling (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [B2048CD525F0]
http://linked.open...i/riv/nazevZdroje
  • Journal of Polymer Science
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 45
http://linked.open...iv/tvurceVysledku
  • Jančář, Josef
  • Kalfus, Jan
http://linked.open...n/vavai/riv/zamer
issn
  • 0887-6266
number of pages
http://localhost/t...ganizacniJednotka
  • 26310
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