Enclosure member consisting essentially of solid, non-aromatic p

Details Enclosure member consisting essentially of solid, non-aromatic p Enclosure member consisting essentially of solid, non-aromatic p

1983-09-07

1985-03-05

Lusignan, Michael R.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

215 1C, 215 12R, 428339, 428516, 428520, 427322, B05D 300, B65D 2300

Patent

active

045031037

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enclosure members having a thickness of 1 mm, a portion of the hydrogen atoms of the surfaces of said member having been replaced by sulphonic acid or sulphonate groups and being coated with a cured thin layer of a mixture of a resin made by the reaction of urea and formaldehyde,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.

REFERENCES:
patent: 2786780 (1957-03-01), Walles et al.
patent: 4371574 (1983-02-01), Shefford

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