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Statements

Subject Item
n2:RIV%2F70883521%3A28110%2F10%3A63509291%21RIV11-GA0-28110___
rdf:type
n15:Vysledek skos:Concept
dcterms:description
The biodegradability of high density polyethylene films (HDPE), low density polyethylene films (LDPE) and linear low density polyethylene films (LLDPE) with a balanced content of antioxidants and pro-oxidants (manganese + iron or manganese + iron + cobalt) was studied. Abiotic pre-treatment consisting of photooxidation and thermal oxidation corresponding to about three years of outdoor weathering (including 3-4 months of exposure to daylight) was monitoned by FTIR and SEC measurements. The oxidized samples were then inoculated with the strain Rhodococcus rhodochrous in mineral medium, and incubated up to 180 days. The metabolic activity of the bacteria was assessed by measuring adenosine triphosphate content (ATP) and the viability of the cells. Complementary experiments were performed by 1HNMR spectroscopy to monitor the biodegradation of soluble molecules excreted from the polymer in the incubation medium. Finally SEM was used to visualize the formation of a biofilm at the surface of the polymer. The biodegradability of high density polyethylene films (HDPE), low density polyethylene films (LDPE) and linear low density polyethylene films (LLDPE) with a balanced content of antioxidants and pro-oxidants (manganese + iron or manganese + iron + cobalt) was studied. Abiotic pre-treatment consisting of photooxidation and thermal oxidation corresponding to about three years of outdoor weathering (including 3-4 months of exposure to daylight) was monitoned by FTIR and SEC measurements. The oxidized samples were then inoculated with the strain Rhodococcus rhodochrous in mineral medium, and incubated up to 180 days. The metabolic activity of the bacteria was assessed by measuring adenosine triphosphate content (ATP) and the viability of the cells. Complementary experiments were performed by 1HNMR spectroscopy to monitor the biodegradation of soluble molecules excreted from the polymer in the incubation medium. Finally SEM was used to visualize the formation of a biofilm at the surface of the polymer.
dcterms:title
Comparison of the biodegradability of various polyethylene films containing pro-oxidant additives Comparison of the biodegradability of various polyethylene films containing pro-oxidant additives
skos:prefLabel
Comparison of the biodegradability of various polyethylene films containing pro-oxidant additives Comparison of the biodegradability of various polyethylene films containing pro-oxidant additives
skos:notation
RIV/70883521:28110/10:63509291!RIV11-GA0-28110___
n3:aktivita
n7:P n7:Z
n3:aktivity
P(GAP108/10/0200), Z(MSM7088352101)
n3:cisloPeriodika
6
n3:dodaniDat
n13:2011
n3:domaciTvurceVysledku
n9:4469143 n9:8588716
n3:druhVysledku
n19:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
251532
n3:idVysledku
RIV/70883521:28110/10:63509291
n3:jazykVysledku
n10:eng
n3:klicovaSlova
polyethylen; biodegradation; pro-oxidant; photooxidation; thermal oxidation
n3:klicoveSlovo
n5:photooxidation n5:thermal%20oxidation n5:biodegradation n5:pro-oxidant n5:polyethylen
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[5639A83616BB]
n3:nazevZdroje
Polymer Degradation and Stability
n3:obor
n11:EE
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
11
n3:projekt
n12:GAP108%2F10%2F0200
n3:rokUplatneniVysledku
n13:2010
n3:svazekPeriodika
95
n3:tvurceVysledku
Delort, Anne-Marie Bonhomme, Sylvie Lemaire, Jacques Samuel, Guy Husárová, Lucie Koutný, Marek Courdavault, Jean-Paul Brusson, Jean-Michel Fontanella, Stéphane Pitteri, Silvio Pichon, Gérard
n3:zamer
n17:MSM7088352101
s:issn
0141-3910
s:numberOfPages
11
n18:organizacniJednotka
28110