PAPER MATERIAL FOR FLUID CONTAINERS HAVING CHARACTERISTICS OF CALIBRATED FRAGILITY AND RIGIDITY AND A BARRIER PROPERTY
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Jun 22, 2022
filing date -
Jun 23, 2021
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Abstract
A paper material, including a base substrate having the following formulation: —a mixture of cellulose fibres, cotton fibres and synthetic fibres, between 50% and 80% by weight—at least one polymeric substance, between 1% and 10% by weight—at least one inorganic filler, between 10% and 50% by weight—at least one polyol and/or acrylic polymer and/or starch, between 1% and 10% by weight—aluminium salts, between 1% and 30% by weight; where the aluminium salts, the at least one polyol and/or acrylic polymer and/or starch being present in at least one surface of the paper material.
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