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Permeabilität galvanisch beschichteter Polymerfolien. I. Methode zur Messung der Gaspermeabilität
Author(s) -
Springer Jurgen,
Brito Heide
Publication year - 1979
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1979.070240202
Subject(s) - materials science , polymer , torr , permeability (electromagnetism) , analytical chemistry (journal) , acrylonitrile , copolymer , polymer chemistry , composite material , chemistry , chromatography , thermodynamics , membrane , biochemistry , physics
The construction and function of an apparatus for the determination of gas permeability through metallized polymer films is described. The test gases N 2 , O 2 , and CO 2 penetrate under pressure differences from 100 torr to 20 bar through galvanized ABS films (acrylonitrile–butadiene–styrene copolymer). The metallic layers consists of chemically deposited Ni and a galvanic deposited Cu having a thickness of 2–30 μm. The quantity of permeated gases is determined by gas chromatography. The lowest permeability coefficient obtained is 10 −17 (cm 3 cm/cm 2 sec torr). Leak effects can be measured quantitatively. The permeability of gas mixtures (i.e., air) can also be investigated. The apparatus allows the determination of extremely low permeability rates as well as those for conventional polymer systems.