Transparent gas-barrier multilayer structure

Details Transparent gas-barrier multilayer structure Transparent gas-barrier multilayer structure

1990-07-06

1992-04-21

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Composite

Of polycarbonate

4284744, 4284747, 4284752, 4284763, 428480, 428522, 428523, B32B 2736, B32B 2708

Patent

active

051066939

ABSTRACT:
A transparent gas-barrier multilayer structure comprising (A) at least one layer of a polyamide composition comprising (a) 30 to 80 parts by weight of a first polyamide composed of an aromatic dicarboxylic acid as a main acid component and an aliphatic diamine as a main diamine component and (b) 70 to 20 parts by weight of a second polyamide composed of an aliphatic dicarboxylic acid as a main acid component and m-xylylenediamine as a main diamine component, the total amount of the first polyamide and the second polyamide being 100 parts by weight, and (B) at least one layer of a thermoplastic resin other than the polyamide composition, said at least one layer (A) being bonded to said at least one layer (B).

REFERENCES:
patent: 3843479 (1974-10-01), Matsunami et al.
patent: 4486507 (1984-12-01), Schumacher
patent: 4607073 (1986-08-01), Sakashita et al.
patent: 4800129 (1989-01-01), Deak

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