Method for producing a film having good barrier properties and a film having good barrier properties
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United States of America Patent
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Oct 24, 2023
Grant Date -
Jul 30, 2020
app pub date -
Oct 17, 2018
filing date -
Oct 20, 2017
priority date (Note) -
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Abstract
The present invention relates to a method for manufacturing a film comprising microfibrillated cellulose wherein the method comprises the steps of; providing a suspension comprising a microfibrillated cellulose, adding an enzyme to the suspension, mixing the enzyme with the suspension to form a mixture, applying said mixture to a wire to form a fibrous web and drying said web to form said film. The present invention further relates to a film comprising microfibrillated cellulose having good barrier properties.
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