Multilayered structure
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United States of America Patent
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-
Mar 10, 1992
Issued Date -
N/A
app pub date -
Aug 8, 1990
filing date -
May 30, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Provided are multilayered structures comprising at least 2 layers of a layer which comprises a resin composition comprising: (A) a thermoplastic resin, (B) a saponified product of an ethylene-vinyl acetate copolymer having an ethylene content of 20 to 65 mol % and a saponification degree of vinyl acetate component of at least 96%, and (C) a saponified product of an ethylene-vinyl acetate copolymer having an ethylene content of 68 to 98 mol % and a saponification degree of vinyl acetate component of at least 20%, and a layer which comprises a saponified product of an ethylene-vinyl acetate copolymer having an ethylene content of 20 to 65 mol % and a saponification degree of vinyl acetate component of at least 96%. These multilayered structures have excellent gas barrier properties and resistance to intralayer delamination, and the resin composition layer thereof has neat appearance.
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