B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
190/150, 117/90
B32B 27/06 (2006.01) B05D 3/04 (2006.01) B05D 7/22 (2006.01) B65D 85/00 (2006.01) C08G 16/02 (2006.01) C08J 7/04 (2006.01) C08J 7/14 (2006.01) C09D 161/00 (2006.01) C09D 161/34 (2006.01)
Patent
CA 1203130
ABSTRACT The present invention relates to an enclosure member consisting essentially of solid, non- aromatic polymers that have a linear carbon to carbon backbone structure and have a plurality of free hydrogen atoms attached to the carbon atoms with a permeability to wet and dry solvents and fuels of less than 1/50, of the permeability of untreated enclosure members having a thickness of 1 mm, a portion of the hydrogen atoms of the surfaces of said member having been replaced by sulphonic acid or sulphonate groups and being coated with a cured thin layer of a mixture of a resin made by the reaction of urea and formaldehyde, respectively of melamine and formaldehyde, with furfuryl alcohol, and an oligomer consisting of a polymer of furfuryl alcohol and formaldehyde.
434947
Gowling Lafleur Henderson Llp
Koninklijke Emballage Industrie Van Leer B.,v.
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