Processes for improving high aspect ratio cellulose filament blends
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United States of America Patent
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Jun 7, 2022
Grant Date -
Oct 17, 2019
app pub date -
Apr 12, 2019
filing date -
Apr 12, 2018
priority date (Note) -
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Abstract
A process for improving high aspect ratio cellulose filament blends comprising the steps of: a) providing a blend of cellulose nano-filaments or blend of cellulose micro-filaments; b) diluting the blend of cellulose nano-filaments or the blend of cellulose micro-filaments to a target consistency; c) fractionating the diluted blend of cellulose nano-filaments or the diluted blend of cellulose micro-filaments from the step c); and, d) collecting the fraction of the diluted blend of cellulose nano-filaments or the diluted blend of cellulose micro-filaments from the step c) having an average length of greater than at least about 25 μm.
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