Gas barrier structures

Details Gas barrier structures Gas barrier structures

B - Operations, Transporting

32

B

154/106, 117/147

B32B 27/08 (2006.01) B05D 1/36 (2006.01) B65D 65/42 (2006.01) C08J 7/04 (2006.01)

Patent

CA 1328059

ABSTRACT A gas barrier structure is disclosed which comprises a base synthetic thermoplastic polymeric layer, e.g. nylon, polyethylene, having two coatings on one side of the base layer. The first coating is a solvent-based urethane primer and the second coating comprises a poly- vinyl alcohol gas barrier material. The primer is present in the range of 0-3 to 3.0 g/m2 and the polyvinyl alcohol is present in an amount of up to 2.0 g/m2. The polyvinyl alcohol is deposited from solution or dispersion.

542023

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