CELLULOSE-BASED GAS BARRIER FILM
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United States of America
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Feb 20, 2025
app pub date -
Dec 12, 2022
filing date -
Dec 12, 2022
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Abstract
The present invention relates to a cellulose-based gas barrier film, said cellulose-based gas barrier film comprising at least 50 wt % of a fines-depleted highly refined cellulose pulp (FD-HRC), wherein said FD-HRC has a Schopper-Riegler (SR) number in the range of 80-100 as determined by standard ISO 5267-1, wherein said FD-HIRC has an amount of long (>0.2 mm) fibers of at least 8 million fibers per gram (based on dry weight), and wherein said FD-HRC has a Fines A value below 46%, wherein the Fines A value is determined using an FS5 optical fiber analyzer. The present invention relates to a method for manufacturing said cellulose-based gas barrier film.
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