BASE PAPER FOR MOLDING CONTAINER AND PAPER-MADE MOLDING CONTAINER
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United States of America Patent
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Issued Date -
Aug 14, 2008
app pub date -
Oct 23, 2007
filing date -
Feb 14, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A base paper for a molding container including a substrate paper having a basis weight of 100 to 500 g/m2 and overall density of 0.4 to 0.7 g/cm3 and which has a high density layer having a density of 0.7 to 0.9 g/cm3 and a low density layer having a density of less than 0.7 g/cm3; and a release agent layer which is provided on at least one surface of the substrate paper and which may be provided via an undercoat layer, wherein the low density layer is mainly constituted of at least one pulp selected from the group consisting of mechanical pulp, curled fibers, and mercerized pulp; and wherein air permeability defined in JIS-P8117 is 100 to 5000.
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