About: Anaerobic Biodegradation of Polyvinyl Alcohol Modified by Extracellular Polysaccharides

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This work focused on anaerobic biodegradation of blends composed of glycerol-plasticized polyvinyl alcohol (PVA) and biopolymer (starch, gellan, xanthan) in an aqueous environment, after inoculation with digested activated sludge from a municipal wastewater treatment plant. Glycerol degradability is comparable to degradability of used modifying agents. Modifying agents added in the 20?40 wt % range proportionally increased biodegradation degree (Dt) calculated from balance of transformed carbon in the system. Biodegradation degree of polysaccharides and glycerol attained 95 % and over. For PVA it was only 6.5 % (in breakdown times up to 500 hours). Content of polysaccharides favorably affects biodegradation degree of polyvinyl alcohol blends, but at the expense of reduced mechanical properties of resultant products. This work focused on anaerobic biodegradation of blends composed of glycerol-plasticized polyvinyl alcohol (PVA) and biopolymer (starch, gellan, xanthan) in an aqueous environment, after inoculation with digested activated sludge from a municipal wastewater treatment plant. Glycerol degradability is comparable to degradability of used modifying agents. Modifying agents added in the 20?40 wt % range proportionally increased biodegradation degree (Dt) calculated from balance of transformed carbon in the system. Biodegradation degree of polysaccharides and glycerol attained 95 % and over. For PVA it was only 6.5 % (in breakdown times up to 500 hours). Content of polysaccharides favorably affects biodegradation degree of polyvinyl alcohol blends, but at the expense of reduced mechanical properties of resultant products. (en)
Title	Anaerobic Biodegradation of Polyvinyl Alcohol Modified by Extracellular Polysaccharides Anaerobic Biodegradation of Polyvinyl Alcohol Modified by Extracellular Polysaccharides (en)
skos:prefLabel	Anaerobic Biodegradation of Polyvinyl Alcohol Modified by Extracellular Polysaccharides Anaerobic Biodegradation of Polyvinyl Alcohol Modified by Extracellular Polysaccharides (en)
skos:notation	RIV/70883521:28110/10:63509440!RIV11-MSM-28110___
http://linked.open...avai/riv/aktivita	I Z
http://linked.open...avai/riv/aktivity	I, Z(MSM7088352101)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Pšeja, Jiří Vrána, Pavel Bernkopfová, Světlana Hrnčiřík, Josef Kupec, Jan
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	246290
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/10:63509440
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	biodegradation; anaerobic; polyvinyl alcohol; blends; starch; gellan; xanthan; glycerol (en)
http://linked.open.../riv/klicoveSlovo	polyvinyl alcohol starch glycerol biodegradation blends anaerobic gellan xanthan
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[F840BD7F4A9B]
http://linked.open...i/riv/nazevZdroje	Journal of Polymers and the Environment
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	18
http://linked.open...iv/tvurceVysledku	Kupec, Jan Hrnčiřík, Josef Bernkopfová, Světlana Pšeja, Jiří
http://linked.open...n/vavai/riv/zamer	Multifunctional Composite Systems Based on Natural and Synthetic Polymers
issn	1566-2543
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	28110
is http://linked.open...avai/riv/vysledek of	Anaerobic Biodegradation of Polyvinyl Alcohol Modified by Extracellular Polysaccharides Anaerobic Biodegradation of Polyvinyl Alcohol Modified by Extracellular Polysaccharides Anaerobic Biodegradation of Polyvinyl Alcohol Modified by Extracellular Polysaccharides

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