Multi-layer gas-barrier drawn polyester vessel
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United States of America Patent
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Mar 28, 1989
Issued Date -
N/A
app pub date -
Jan 22, 1987
filing date -
Aug 23, 1984
priority date (Note) -
Expired
status (Latency Note)
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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.
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