Multi-layer gas-barrier drawn polyester vessel

Details Multi-layer gas-barrier drawn polyester vessel Multi-layer gas-barrier drawn polyester vessel

1987-01-22

1989-03-28

Lesmes, George F.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

264514, 264539, 4284752, 4284758, 428480, B65D 2300, B29C 4904

Patent

active

048163040

ABSTRACT:
Disclosed is a multi-layer gas-barrier drawn polyester vessel, which comprises an open end portion, a barrel portion which is molecularly oriented in at least one axial direction and a closed bottom portion, said vessel having inner and outer layers composed of a thermoplastic polyester or copolyester and a gas-barrier intermediate layer composed of an ethylene/vinyl alcohol copolymer having an ethylene content lower than 50 mole %, wherein a copolymer nylon resin or a blend of a plurality of nylon resins is interposed as an adhesive between two adjacent layers.

REFERENCES:
patent: 4398642 (1983-08-01), Okudaira et al.
patent: 4430288 (1984-02-01), Bonis
patent: 4528219 (1985-07-01), Yamada et al.
patent: 4564541 (1986-01-01), Taira et al.

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