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  • Basic stabilization applied in the studied polyolefins and HIPS has different efficiencies, depending on the aging conditions. It was shown that LDPE, oven-aged for 7 days at 100 °C could not be used for reprocessing because of too low a viscosity; a suitable combination of diamine and phenol stabilizers suppressed degradation both during aging and subsequent reprocessing. High impact polystyrene showed two-phase oxidation, where oxidation of polybutadiene component took place initially, leading to crosslinking, whereas the polystyrene matrix remained almost intact during a much longer period of time.
  • Basic stabilization applied in the studied polyolefins and HIPS has different efficiencies, depending on the aging conditions. It was shown that LDPE, oven-aged for 7 days at 100 °C could not be used for reprocessing because of too low a viscosity; a suitable combination of diamine and phenol stabilizers suppressed degradation both during aging and subsequent reprocessing. High impact polystyrene showed two-phase oxidation, where oxidation of polybutadiene component took place initially, leading to crosslinking, whereas the polystyrene matrix remained almost intact during a much longer period of time. (en)
  • Základní stabilizace u studovaných polyolefinů a houževnatého polystyrenu (HIPS) má různou účinnost v závislosti na podmínkách stárnutí. Bylo prokázáno, že LDPE stárnutý v sušárně při 100 °C po dobu 7 dní nelze již dále zpracovat vzhledem k jeho příliš nízké viskozitě; vhodná kombinace diaminu a fenolických stabilizátorů potlačila degradaci během stárnutí i opětovného zpracování. U houževnatého polystyrenu probíhala oxidace ve dvou fázích; nejdříve došlo k oxidativnímu poškození polybutadienové komponenty za vzniku síťovaných struktur, zatímco polystyrenová matrice zůstala téměř nezměněná po mnohem delší dobu. (cs)
Title
  • Degradation of pre-aged polymers exposed to simulated recycling: properties and thermal stabilities
  • Degradace kontrolovaně stárnutých polymerů vystavených simulované recyklaci: vlastnosti a termická stabilita (cs)
  • Degradation of pre-aged polymers exposed to simulated recycling: properties and thermal stabilities (en)
skos:prefLabel
  • Degradation of pre-aged polymers exposed to simulated recycling: properties and thermal stabilities
  • Degradace kontrolovaně stárnutých polymerů vystavených simulované recyklaci: vlastnosti a termická stabilita (cs)
  • Degradation of pre-aged polymers exposed to simulated recycling: properties and thermal stabilities (en)
skos:notation
  • RIV/61389013:_____/06:00031263!RIV07-AV0-61389013
http://linked.open.../vavai/riv/strany
  • 1226;1232
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika
  • 6
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
  • 470674
http://linked.open...ai/riv/idVysledku
  • RIV/61389013:_____/06:00031263
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • accelerated weathering; simulated recycling; polyolefins (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [6574BD887D6D]
http://linked.open...i/riv/nazevZdroje
  • Polymer Degradation and Stability
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 91
http://linked.open...iv/tvurceVysledku
  • Fortelný, Ivan
  • Kovářová, Jana
  • Luzuriaga, S.
http://linked.open...n/vavai/riv/zamer
issn
  • 0141-3910
number of pages
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