Blended films, structures therefrom, and methods of making and using them
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United States of America Patent
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Apr 28, 1992
Grant Date -
N/A
app pub date -
Dec 28, 1989
filing date -
Dec 28, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Blends having improved adhesion to each other when coextruded into multilayer films, such films, film-packages such as pouches from such films, and methods for making and using the films and film-packages are disclosed and claimed. Improved adhesion between layers results from adjusting the components of the blends of the layers. In addition, improved adhesion between layers results from reducing the temperature of the chill roll in the cast coextrusion process.
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