Process for production of film comprising microfibrillated cellulose
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United States of America Patent
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Dec 5, 2023
Grant Date -
Feb 25, 2021
app pub date -
Jan 31, 2019
filing date -
Feb 2, 2018
priority date (Note) -
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Abstract
The present invention relates to a process for manufacturing a film comprising high amounts of microfibrillated cellulose (MFC), having haptic properties. According to the present invention, a wet web comprising MFC is formed, followed by addition of particles having an average diameter of at least 1 μm to the wet web, followed by dewatering and/or drying. The wet web may be formed for example by wet laid or cast forming methods. The particles may be added to the wet web for example by cast coating or spraying.
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