Polypropylene film for electron-beam hardening applications
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United States of America Patent
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Feb 4, 2014
Grant Date -
Sep 4, 2008
app pub date -
May 17, 2006
filing date -
May 18, 2005
priority date (Note) -
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Abstract
The invention relates to a Co-extruded, multilayer and biaxially-oriented polypropylene film, which comprises of at least one first sealable covering layer and at least one vacuolate layer, having a thickness of at least 5 μm, is further treated by laminating, pasting, printing, varnishing and/or coating; the result registered as follows: after drying or hardening during further treatments using electron-beam irradiation, the vacuolate layer has a thickness of at least 5 μm. Hot tack is not damaged by electron-beam processing.
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