About: Assessment of the interrelation between photooxidation and biodegradation of selected polyesters after artificial weathering

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Three commercially available biodegradable polymers, two different aromatic-aliphatic copolyesters and polylactic acid, intended for the fabrication of agricultural mulching films, in addition to other applications, were subjected to a series of tests with the aim of studying the relationship between their photooxidation and biodegradation. Photooxidation resulted in the rearrangement of polymeric chains, in the case of both copolyesters the events led to polymeric chain crosslinking and the formation of insoluble polymeric gel. The tendency was significantly more pronounced for the copolyester with the higher content of the aromatic constituent. As regards polylactic acid photochemical reactions were not accompanied by crosslinking but instead provoked chain scissions. A biodegradation experiment showed that, despite marked structural changes, the extent of photooxidation was not the decisive factor, which significantly modified the rate of biodegradation in all three materials investigated. The specific surface area of the sample specimens was shown to be more important. Three commercially available biodegradable polymers, two different aromatic-aliphatic copolyesters and polylactic acid, intended for the fabrication of agricultural mulching films, in addition to other applications, were subjected to a series of tests with the aim of studying the relationship between their photooxidation and biodegradation. Photooxidation resulted in the rearrangement of polymeric chains, in the case of both copolyesters the events led to polymeric chain crosslinking and the formation of insoluble polymeric gel. The tendency was significantly more pronounced for the copolyester with the higher content of the aromatic constituent. As regards polylactic acid photochemical reactions were not accompanied by crosslinking but instead provoked chain scissions. A biodegradation experiment showed that, despite marked structural changes, the extent of photooxidation was not the decisive factor, which significantly modified the rate of biodegradation in all three materials investigated. The specific surface area of the sample specimens was shown to be more important. (en)
Title	Assessment of the interrelation between photooxidation and biodegradation of selected polyesters after artificial weathering Assessment of the interrelation between photooxidation and biodegradation of selected polyesters after artificial weathering (en)
skos:prefLabel	Assessment of the interrelation between photooxidation and biodegradation of selected polyesters after artificial weathering Assessment of the interrelation between photooxidation and biodegradation of selected polyesters after artificial weathering (en)
skos:notation	RIV/70883521:28110/12:43867999!RIV13-MSM-28110___
http://linked.open...avai/predkladatel	Fakulta technologická
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED2.1.00/03.0111), P(GAP108/10/0200)
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Koutný, Marek Stloukal, Petr Piš, Vladimír
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	123867
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/12:43867999
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Polylactic acid; Photooxidation; PBAT; Ecoflex; Biodegradation; Aromatic-aliphatic copolyester (en)
http://linked.open.../riv/klicoveSlovo	Aromatic-aliphatic copolyester Ecoflex PBAT Photooxidation Polylactic acid Biodegradation
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[A7703DCFE349]
http://linked.open...i/riv/nazevZdroje	Chemosphere
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	3 (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	2012
http://linked.open...v/svazekPeriodika	88
http://linked.open...iv/tvurceVysledku	Commereuc, Sophie Koutný, Marek Stloukal, Petr Verney, Vincent Matisová-Rychlá, Lyda Piš, Vladimír Rychlý, Jozef
http://linked.open...ain/vavai/riv/wos	000307143800011
issn	0045-6535
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.chemosphere.2012.03.072
http://localhost/t...ganizacniJednotka	28110
is http://linked.open...avai/riv/vysledek of	Assessment of the interrelation between photooxidation and biodegradation of selected polyesters after artificial weathering

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