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Oxygen gas and water vapor permeability of biaxially stretched poly(ethylene terephthalate)/poly(ethylene-co-vinyl alcohol) and poly(ethylene terephthalate-co-isophthalate)/poly(ethylene-co-vinyl alcohol) blend films

Özen, İlhan and Dalgıçdir, Cahit (2012) Oxygen gas and water vapor permeability of biaxially stretched poly(ethylene terephthalate)/poly(ethylene-co-vinyl alcohol) and poly(ethylene terephthalate-co-isophthalate)/poly(ethylene-co-vinyl alcohol) blend films. Polymer-Plastics Technology and Engineering, 51 (1). pp. 97-104. ISSN 0360-2559

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Official URL: http://dx.doi.org/10.1080/03602559.2011.618158

Abstract

In this study, poly(ethylene terephthalate)(PET)/poly(ethylene-co-vinyl alcohol) (EVOH) and poly(ethylene terephthalate-co-isophthalate) (PETI)/EVOH (95/5 w/w) blends have been prepared with different types of compatibilizers using a co-rotating intermeshing twin screw extruder. Cast films have been stretched simultaneously and biaxially 2 and 3 times their original dimensions. Scanning electron microscopy, differential scanning calorimetry, oxygen gas and water vapor permeability analyzers have been employed for establishing the relationships among biaxial orientation, crystallinity, morphology, and chemistry on oxygen gas and water vapor permeability. The lowest oxygen gas and water vapor permeability values have been obtained when employed hydroxyl-terminated polybutadiene as the compatibilizer.

Item Type:Article
Uncontrolled Keywords:Oxygen gas permeability; Poly(ethylene terephthalate); Poly(ethylene-co-vinyl alcohol); Water vapor permeability
Subjects:T Technology > TP Chemical technology > TP1080 Polymers and polymer manufacture
ID Code:19011
Deposited By:Cahit Dalgıçdir
Deposited On:07 May 2012 15:02
Last Modified:07 May 2012 15:02

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