BIAXIALLY ORIENTED, MULTILAYER POLYPROPYLENE FILM, PROCESS FOR THE PRODUCTION THEREOF AND THE USE THEREOF
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United States of America Patent
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Issued Date -
Jun 13, 2002
app pub date -
Jan 24, 1995
filing date -
Jan 29, 1994
priority date (Note) -
Abandoned
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Abstract
The disclosed biaxially oriented, multilayer polypropylene film comprises at least one base layer B, one interlayer Z and one top layer D and contains migrating additives. The film contains a maximum of 0.15% by weight of migrating additives, based on the total weight of the film. The multilayer film structure is produced by coextrusion and biaxial stretching followed by heat-setting and, optionally, corona treatment. The film is particularly useful in packaging and in laminates.
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