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  • Nucleation and crystal growth greatly affect morphology and, thus, mechanical properties of semicrystalline polymers. Presented contribution brings an alternative approach to the description of crystallization kinetics in polyolefines filled with weakly interacting nano-fillers. It has been shown that the concept of chain reptation in a melt can be successfully implemented into the classical kinetic surface nucleation theory. In nanocomposites, high specific surface area is able to easily induce the chain immobilization even at very low filler loadings. In the vicinity of the filler surfaces, polymer chains exhibit retarded reptation motion due to the chain immobilization caused by the filler-polymer interaction. Experimentally observed decrease of spherulite growth rate, G, in dependence on the silica nano-filler content is modeled on the basic of nucleation concept utilizing theory of the chain reptation motion.
  • Nucleation and crystal growth greatly affect morphology and, thus, mechanical properties of semicrystalline polymers. Presented contribution brings an alternative approach to the description of crystallization kinetics in polyolefines filled with weakly interacting nano-fillers. It has been shown that the concept of chain reptation in a melt can be successfully implemented into the classical kinetic surface nucleation theory. In nanocomposites, high specific surface area is able to easily induce the chain immobilization even at very low filler loadings. In the vicinity of the filler surfaces, polymer chains exhibit retarded reptation motion due to the chain immobilization caused by the filler-polymer interaction. Experimentally observed decrease of spherulite growth rate, G, in dependence on the silica nano-filler content is modeled on the basic of nucleation concept utilizing theory of the chain reptation motion. (en)
  • Kinetika krystalizace v semikystalických nanokompozitech (cs)
Title
  • The crystallization kinetics in semicrystalline nano-composites
  • The crystallization kinetics in semicrystalline nano-composites (en)
  • Kinetika krystalizace v semikystalických nanokompozitech (cs)
skos:prefLabel
  • The crystallization kinetics in semicrystalline nano-composites
  • The crystallization kinetics in semicrystalline nano-composites (en)
  • Kinetika krystalizace v semikystalických nanokompozitech (cs)
skos:notation
  • RIV/00216305:26310/08:PU76916!RIV09-MSM-26310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM0021630501)
http://linked.open...iv/cisloPeriodika
  • 15
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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  • 361642
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26310/08:PU76916
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  • nanocomposites, crystallization kinetics, reptation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [41588A2D475A]
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  • Chemické listy
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 102
http://linked.open...iv/tvurceVysledku
  • Hynštová, Kateřina
http://linked.open...n/vavai/riv/zamer
issn
  • 1213-7103
number of pages
http://localhost/t...ganizacniJednotka
  • 26310
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