POLYMER-COATED CELLULOSIC RELEASE LINER BASE MATERIAL
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United States of America Patent
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Aug 22, 2024
app pub date -
Sep 17, 2020
filing date -
Sep 17, 2020
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Abstract
The invention relates to a polymer-coated cellulosic substrate (S2) for a release liner (REL1), comprising a cellulosic support layer (PAP1), a first coating layer (PO1), comprising a first composition containing polyolefin, and an extruded primer layer (PRIM1) comprising a second composition containing a thermoplastic polymer covalently bonded to functional vinyl groups: wherein the first coating layer (POI) is situated between the cellulosic support layer (PAP1) and the extruded primer layer (PRIM1).
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