Process for the production of a transparent polyolefin multilayer film
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United States of America Patent
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May 6, 1997
Issued Date -
N/A
app pub date -
Apr 20, 1995
filing date -
Feb 24, 1992
priority date (Note) -
Expired
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Abstract
A process for the production of a transparent, printable, biaxially oriented polyolefin multilayer film which can be sealed on both sides including (i) coextruding through a flat die melts corresponding to the individual layers of the film, (ii) taking off and cooling to consolidate the resulting film, via a take-off roll, (iii) biaxially stretching the consolidated film, (iv) thermofixing the biaxially stretched film, and (v) covering top layer C with a non-cohesive layer of polydialkylsiloxane.
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