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Water vapor permeation resistance of polycarbonate at various temperatures / Sung In Moon in Industrial & engineering chemistry research, Vol. 48 N° 19 (Octobre 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 19 (Octobre 2009) . - pp. 8961–8965 Titre : Water vapor permeation resistance of polycarbonate at various temperatures Type de document : texte imprimé Auteurs : Sung In Moon, Auteur ; C. W. Extrand, Auteur Année de publication : 2009 Article en page(s) : pp. 8961–8965 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Water  vapor  Polycarbonate  Permeability  coefficients  Diffusion  coefficients  Solubility  coefficients Résumé : The permeation rate of water vapor through polycarbonate (PC) was examined. Permeability (P), diffusion (D), and solubility (S) coefficients were measured at temperatures ranging from 25 to 80 °C. P values remained almost constant over this temperature range. On the other hand, D values increased and S values decreased exponentially with temperature. These data represent a broad map of the mass-transport characteristics of water through PC, which can be used to estimate break-though times, permeation rates, absorption, desorption/outgassing, and moisture content over a wide range of temperature and humidity. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900842t [article] Water vapor permeation resistance of polycarbonate at various temperatures [texte imprimé] / Sung In Moon, Auteur ; C. W. Extrand, Auteur . - 2009 . - pp. 8961–8965. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 19 (Octobre 2009) . - pp. 8961–8965 Mots-clés : Water  vapor  Polycarbonate  Permeability  coefficients  Diffusion  coefficients  Solubility  coefficients Résumé : The permeation rate of water vapor through polycarbonate (PC) was examined. Permeability (P), diffusion (D), and solubility (S) coefficients were measured at temperatures ranging from 25 to 80 °C. P values remained almost constant over this temperature range. On the other hand, D values increased and S values decreased exponentially with temperature. These data represent a broad map of the mass-transport characteristics of water through PC, which can be used to estimate break-though times, permeation rates, absorption, desorption/outgassing, and moisture content over a wide range of temperature and humidity. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900842t