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Statements

Subject Item
n2:RIV%2F70883521%3A28110%2F13%3A43870161%21RIV14-GA0-28110___
rdf:type
skos:Concept n16:Vysledek
rdfs:seeAlso
http://www.sciencedirect.com/science/article/pii/S0141391013003042
dcterms:description
The chemiluminescence of UV irradiated aromatic-aliphatic polyesters (Ecoflex and PBAT) and polylactic acid (PLA) was examined in nitrogen and oxygen atmospheres during the non-isothermal temperature runs in the interval from 40 to 250 C and isothermally from 150 to 190 C. The non-isothermal thermogravimetry and FTIR spectroscopy have been used for the characterization of differences in original samples. The temperature maxima of peroxidic peaks in nitrogen scaling their stability were compared and found to be in the order PBAT < Ecoflex < PLA. Their positions on the temperature scale that correlate well with the melting temperature of the respective polymer have been discussed. With prolongation of the UV irradiation period, the intensity of peroxidic peaks increased. On the other hand, the effect of pre-irradiation on non-isothermal runs of chemiluminescence measured in oxygen was not as distinct as for measurements in nitrogen. The deconvolution of the non-isothermal chemiluminescence runs in nitrogen revealed two kinds of peroxides in irradiated samples. The chemiluminescence of UV irradiated aromatic-aliphatic polyesters (Ecoflex and PBAT) and polylactic acid (PLA) was examined in nitrogen and oxygen atmospheres during the non-isothermal temperature runs in the interval from 40 to 250 C and isothermally from 150 to 190 C. The non-isothermal thermogravimetry and FTIR spectroscopy have been used for the characterization of differences in original samples. The temperature maxima of peroxidic peaks in nitrogen scaling their stability were compared and found to be in the order PBAT < Ecoflex < PLA. Their positions on the temperature scale that correlate well with the melting temperature of the respective polymer have been discussed. With prolongation of the UV irradiation period, the intensity of peroxidic peaks increased. On the other hand, the effect of pre-irradiation on non-isothermal runs of chemiluminescence measured in oxygen was not as distinct as for measurements in nitrogen. The deconvolution of the non-isothermal chemiluminescence runs in nitrogen revealed two kinds of peroxides in irradiated samples.
dcterms:title
UV initiated oxidation and chemiluminescence from aromatic-aliphatic co-polyesters and polylactic acid UV initiated oxidation and chemiluminescence from aromatic-aliphatic co-polyesters and polylactic acid
skos:prefLabel
UV initiated oxidation and chemiluminescence from aromatic-aliphatic co-polyesters and polylactic acid UV initiated oxidation and chemiluminescence from aromatic-aliphatic co-polyesters and polylactic acid
skos:notation
RIV/70883521:28110/13:43870161!RIV14-GA0-28110___
n16:predkladatel
n18:orjk%3A28110
n3:aktivita
n17:S n17:P
n3:aktivity
P(ED2.1.00/03.0111), P(GAP108/10/0200), S
n3:cisloPeriodika
12
n3:dodaniDat
n12:2014
n3:domaciTvurceVysledku
n13:8947813
n3:druhVysledku
n20:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n6:predkladatel
n3:idSjednocenehoVysledku
113336
n3:idVysledku
RIV/70883521:28110/13:43870161
n3:jazykVysledku
n15:eng
n3:klicovaSlova
Aromatic-aliphatic copolyester||Chemiluminescence||Ecoflex||Photodegradation||Polylactide||Thermogravimetry
n3:klicoveSlovo
n8:Aromatic-aliphatic%20copolyester%7C%7CChemiluminescence%7C%7CEcoflex%7C%7CPhotodegradation%7C%7CPolylactide%7C%7CThermogravimetry
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[84DB6B889AB2]
n3:nazevZdroje
Polymer Degradation and Stability
n3:obor
n14:JJ
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
7
n3:projekt
n21:GAP108%2F10%2F0200 n21:ED2.1.00%2F03.0111
n3:rokUplatneniVysledku
n12:2013
n3:svazekPeriodika
98
n3:tvurceVysledku
Fiedlerová, Agnesa Koutný, Marek Pekařová, Silvie Verney, Vincent Rychlý, Jozef Stloukal, Petr Rychlá, Lida
n3:wos
000329379800020
s:issn
0141-3910
s:numberOfPages
8
n19:doi
10.1016/j.polymdegradstab.2013.09.016
n10:organizacniJednotka
28110