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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F06%3A00016625%21RIV10-MSM-14310___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
Spatial resolution of photo and thermooxidation processes in polypropylene (PP) and polystyrene (PS) plaques was studied by electron spin resonance imaging (ESRI) and attenuated total reflectance Fourier-transform infrared spectroscopy (ATR FTIR). Polymer plaques made of PP and PS stabilized with various systems based on hindered amine stabilizers (HAS) were exposed to accelerated photodegradation and to heat aging in air atmosphere. Concentration profiles of nitroxides generated during the degradation process in the plaques were measured by ESRI, carbonyl and hydroxy groups were identified by ATR FTIR, transparency of the plaques in the actinic part of solar radiation, including a part of UV-B (295e315 nm), full range of UV-A (315e400 nm) and visible radiation was measured by optical techniques. A mechanism of the degradation consistent with all experimental data is suggested. Spatial resolution of photo and thermooxidation processes in polypropylene (PP) and polystyrene (PS) plaques was studied by electron spin resonance imaging (ESRI) and attenuated total reflectance Fourier-transform infrared spectroscopy (ATR FTIR). Polymer plaques made of PP and PS stabilized with various systems based on hindered amine stabilizers (HAS) were exposed to accelerated photodegradation and to heat aging in air atmosphere. Concentration profiles of nitroxides generated during the degradation process in the plaques were measured by ESRI, carbonyl and hydroxy groups were identified by ATR FTIR, transparency of the plaques in the actinic part of solar radiation, including a part of UV-B (295e315 nm), full range of UV-A (315e400 nm) and visible radiation was measured by optical techniques. A mechanism of the degradation consistent with all experimental data is suggested.
dcterms:title
Spatial resolution of degradation in stabilized polystyrene and polypropylene plaques exposed to accelerated photodegradation or heat aging Spatial resolution of degradation in stabilized polystyrene and polypropylene plaques exposed to accelerated photodegradation or heat aging
skos:prefLabel
Spatial resolution of degradation in stabilized polystyrene and polypropylene plaques exposed to accelerated photodegradation or heat aging Spatial resolution of degradation in stabilized polystyrene and polypropylene plaques exposed to accelerated photodegradation or heat aging
skos:notation
RIV/00216224:14310/06:00016625!RIV10-MSM-14310___
n3:aktivita
n10:Z
n3:aktivity
Z(MSM0021622410)
n3:cisloPeriodika
2
n3:dodaniDat
n12:2010
n3:domaciTvurceVysledku
n5:1834282
n3:druhVysledku
n15:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
500647
n3:idVysledku
RIV/00216224:14310/06:00016625
n3:jazykVysledku
n14:eng
n3:klicovaSlova
Photodegradation; Photostabilization; HAS; Thermal aging; Polystyrene; Polypropylene
n3:klicoveSlovo
n9:Polystyrene n9:Polypropylene n9:HAS n9:Photodegradation n9:Photostabilization n9:Thermal%20aging
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[D9834C6C7BBD]
n3:nazevZdroje
Polymer Degradation and Stability
n3:obor
n4:CD
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
7
n3:rokUplatneniVysledku
n12:2006
n3:svazekPeriodika
91
n3:tvurceVysledku
Pospíšil, J. Marek, A. Kaprálková, L. Humlíček, Josef Pfleger, J. Schmidt, P. Pilař, J.
n3:zamer
n17:MSM0021622410
s:issn
0141-3910
s:numberOfPages
15
n16:organizacniJednotka
14310