Effect of annealing on the permeation characteristics of gases of coextruded LLDPE films
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Otros documentos de la autoría: Compañ, Vicente; Andrio, Andreu; López Peris, María Lidón; Riande, Evaristo
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http://dx.doi.org/10.1016/S0032-3861(96)00443-0 |
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Título
Effect of annealing on the permeation characteristics of gases of coextruded LLDPE filmsFecha de publicación
1996Editor
ElsevierISSN
0032-3861Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.sciencedirect.com/science/article/pii/S0032386196004430Versión
info:eu-repo/semantics/publishedVersionResumen
The temperature dependence of both the permeability and diffusion coefficients of carbon dioxide, oxygen and nitrogen in annealed LLDPE films are studied. It is found that the values of the permeability coefficient ... [+]
The temperature dependence of both the permeability and diffusion coefficients of carbon dioxide, oxygen and nitrogen in annealed LLDPE films are studied. It is found that the values of the permeability coefficient through the annealed membranes are nearly four times larger than those through the non-annealed ones. The fact that annealing slightly diminishes the values of the diffusion coefficient leads to the conclusion that the rise in permeability detected in the films by effect of annealing should be attributed to an increase in solubility. The permeability characteristics of the films are interpreted in terms of the free volume theory. [-]
Publicado en
Polymer Vol. 37 No. 26, pp. 5831-5837, 1996Derechos de acceso
Copyright © 1996 Elsevier Science Ltd
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