The effect of thermal cycling damage on the permeability and structure of transparent gas barrier films

Year: 1999

Authors: Henry B.M., Nörenberg H., Dinelli F., Grovenor C.R.M., Briggs G.A.D., Tsukahara Y., Miyamoto T.

Autors Affiliation: Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH UK;
Technical Research Institute, Toppan Printing Co., Ltd., Takanodai-Minami 4-2-3, Sugito-machi, Kitakatsushika-gun, Saitama 345, Japan

Abstract: Transparent inorganic barrier layers deposited on polymer films are of considerable commercial interest in the food and medical device packaging industries. For these applications, the nanocomposite materials must provide an effective gas barrier against oxygen and moisture to preserve the packaged product. When, however, the packaging film will experience a moderately high temperature during either usage or fabrication, the gas barrier properties of the film are retained. In this study, the effect of a moderate heat treatment on the structural and gas barrier properties of aged SiOx coatings on PET have been investigated using scanning electron microscopy, atomic force microscopy and gas permeation measurements.

Journal/Review: CHEMICAL ENGINEERING & TECHNOLOGY

Volume: 22 (12)      Pages from: 1010  to: 1011

KeyWords: Gas barrier films; Atomic force microscopy (AFM); Plastic films; Polyethylene terephthalates; Scanning electron microscopy; Silica; Thermal cycling
DOI: 10.1002/(SICI)1521-4125(199912)22:12<1010

Citations: 3
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