C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
18/1186
C08J 7/14 (2006.01) B65D 1/02 (2006.01) B65D 25/34 (2006.01) C08J 7/12 (2006.01)
Patent
CA 1152279
ABSTRACT The present application relates to enclosure members consisting essentially of solid polyolefins that have a linear carbon to carbon backbone structure and having a plurality of free hydrogen atoms attached to the carbon atoms with a permeability to wet solvents and fuels of less than 1/7, optionally less than 1/40 of the permeability of untreated enclosure members having a thickness of 1 mm. Said low permeability is due to the presence of a layer of an iron phenanthroline complex on at least the inner surface of said enclosure members, having a portion of the hydrogen atoms replaced by sulphonic acid or sulphonate groups.
370747
Gowling Lafleur Henderson Llp
Koninklijke Emballage Industrie Van Leer B.,v.
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