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  • Práce pojednává o vlivu fyzikálních faktorů jako je tloušťka nebo režim zpracování na fotodegradaci izotaktického polypropylénu. Vzorky byly připraveny lisováním nebo vstřikováním. Následně byly vystaveny UV záření v zařízení urychlující stárnutí. Rozsah degradace byl sledován pomocí FTIR a ATR spektroskopií. Degradační profil byl pozorován mikro-infračervenou spektroskopií. Degradační změny jsou ovlivněny zpracovatelskou historií a rozměry vzorků. (cs)
  • The paper is focused on the role of physical factors such as thickness or mode of processing in photodegradation of isotactic polypropylene. Specimens were prepared by compression moulding or injection moulding. Subsequently, they were exposed to UV radiation in accelerated ageing device. The extent of degradation was determined by FTIR and ATR spectroscopy. Degradation profile was observed by micro-infrared spectroscopy. It is demonstrated that the degradation changes are influenced by processing history and dimension of the specimens.
  • The paper is focused on the role of physical factors such as thickness or mode of processing in photodegradation of isotactic polypropylene. Specimens were prepared by compression moulding or injection moulding. Subsequently, they were exposed to UV radiation in accelerated ageing device. The extent of degradation was determined by FTIR and ATR spectroscopy. Degradation profile was observed by micro-infrared spectroscopy. It is demonstrated that the degradation changes are influenced by processing history and dimension of the specimens. (en)
Title
  • The role of physical factors in photodegradation of polypropylene
  • The role of physical factors in photodegradation of polypropylene (en)
  • Vliv fyzikálních faktorů na fotodegradaci polypropylénu (cs)
skos:prefLabel
  • The role of physical factors in photodegradation of polypropylene
  • The role of physical factors in photodegradation of polypropylene (en)
  • Vliv fyzikálních faktorů na fotodegradaci polypropylénu (cs)
skos:notation
  • RIV/70883521:28110/08:63507031!RIV09-GA0-28110___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GP106/07/P262), Z(MSM7088352101)
http://linked.open...vai/riv/dodaniDat
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  • 393206
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  • RIV/70883521:28110/08:63507031
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  • isotactic polypropylene; photodegradation; processing history (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [6ED75DC51452]
http://linked.open...v/mistoKonaniAkce
  • Salerno, Italy
http://linked.open...i/riv/mistoVydani
  • Salerno
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  • PPS-24
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http://linked.open...iv/tvurceVysledku
  • Commereuc, Sophie
  • Čermák, Roman
  • Chvátalová, Lenka
  • Mošnovská, Radka
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
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  • Polymer Processing Society (IT)
https://schema.org/isbn
  • 88-7897-025-5
http://localhost/t...ganizacniJednotka
  • 28110
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