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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Article de revue

Oxygen permeability through poly(ethylene-co-vinyl acetate)/clay nanocomposites prepared by microwave irradiation  [2011]

Urresti, O.; González, A.; Fernández-Berridi, M.J.; Iruin, J.J.; et al.

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Microwave heating was used to prepare poly(ethylene-co-vinyl acetate) (EVA)/clay nanocomposites by solution intercalation. The effects of nanocomposite preparation conditions, such as temperature, irradiation time and clay concentration on the morphology and gas transport properties of EVA membranes were investigated. The microwave irradiation temperature and time did not have any effect on the filler distribution and consequently the oxygen permeability of nanocomposites was mainly dependent on the clay content. The oxygen permeability of EVA was reduced by 55% using microwave intercalation of 10wt.% of clay. Similar reductions were obtained using traditional heating, suggesting that, at least in this work, microwave heating does not improve clay dispersion.
(Revue
Journal of membrane science
ISSN : 0376-7388

Information bibliographique

Langue:
English
Type:
Journal Article
Sur AGRIS depuis:
2016
Volume:
373
Numéro:
1-2
Page initiale:
173
Page finale:
177
Editeur:
Elsevier B.V.
Tous les titres:
"Oxygen permeability through poly(ethylene-co-vinyl acetate)/clay nanocomposites prepared by microwave irradiation"@eng
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Information bibliographique

Langue:
English
Type:
Journal Article
Sur AGRIS depuis:
2016
Volume:
373
Numéro:
1-2
Page initiale:
173
Page finale:
177
Editeur:
Elsevier B.V.
Tous les titres:
"Oxygen permeability through poly(ethylene-co-vinyl acetate)/clay nanocomposites prepared by microwave irradiation"@eng