About: UV initiated oxidation and chemiluminescence from aromatic-aliphatic co-polyesters and polylactic acid

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About: UV initiated oxidation and chemiluminescence from aromatic-aliphatic co-polyesters and polylactic acid Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.sciencedirect.com/science/article/pii/S0141391013003042
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. (en)
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 (en)
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 (en)
skos:notation	RIV/70883521:28110/13:43870161!RIV14-GA0-28110___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED2.1.00/03.0111), P(GAP108/10/0200), S
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Pekařová, Silvie
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Tomáše Bati ve Zlíně / Fakulta technologická
http://linked.open...dnocenehoVysledku	113336
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/13:43870161
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Aromatic-aliphatic copolyester\|\|Chemiluminescence\|\|Ecoflex\|\|Photodegradation\|\|Polylactide\|\|Thermogravimetry (en)
http://linked.open.../riv/klicoveSlovo	Aromatic-aliphatic copolyester\|\|Chemiluminescence\|\|Ecoflex\|\|Photodegradation\|\|Polylactide\|\|Thermogravimetry
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[84DB6B889AB2]
http://linked.open...i/riv/nazevZdroje	Polymer Degradation and Stability
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Centre of Polymer Systems Biodegradation study of polymeric materials by combination of advanced methods
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	98
http://linked.open...iv/tvurceVysledku	Koutný, Marek Stloukal, Petr Verney, Vincent Rychlý, Jozef Pekařová, Silvie Fiedlerová, Agnesa Rychlá, Lida
http://linked.open...ain/vavai/riv/wos	000329379800020
issn	0141-3910
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.polymdegradstab.2013.09.016
http://localhost/t...ganizacniJednotka	28110

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