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Multilayer barrier films on polyethylene polymerized from CF3H/C2H4 plasmas

✍ Scribed by M. Walker; K. M. Baumgärtner; E. Räuchle

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
458 KB
Volume
47
Category
Article
ISSN
0323-7648

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✦ Synopsis

Abstract

The barrier properties of thin fluorocarbon films toward toluene are studied. Mixtures of trifluoromethane and ethylene are used as monomers in an electron cyclotron resonance plasma discharge. The measured permeation fluxes of toluene through polyethylene show that thin fluorocarbon layers strongly reduce the permeation, e. g. by a factor of about 3000 when an appropriate tapered layer is deposited on polyethylene foils. Different tapering of the barrier layers was investigated with respect to low permeation and good adhesion of the films. The amount of permeated toluene through the untreated and treated polyethylene foils are measured as a function of time using a gas chromatograph with a flame ionization detector.

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