Film and blends of polyetheramide block copolymer and ethylene vinyl alcohol
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United States of America Patent
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-
Dec 3, 1991
Issued Date -
N/A
app pub date -
Jan 25, 1990
filing date -
Dec 6, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Ethylene vinyl alcohol copolymer is blended with polyetheramide block copolymer to form a novel composition of matter. The blended composition can be extruded and/or coextruded to make packaging films. In the most preferred embodiments, the blend is contained as one layer in a film comprising a multiplicity of layers, and at least the blend layer is molecularly oriented. Methods of making the films are also disclosed.
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