Nanolignocellulose compositions and processes to produce these compositions
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United States of America Patent
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Dec 5, 2023
Grant Date -
Jul 22, 2021
app pub date -
Jan 6, 2021
filing date -
Sep 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Some variations provide a new nanolignocellulose composition comprising, on a bone-dry, ash-free, and acetyl-free basis, from 35 wt % to 80 wt % cellulose nanofibrils, cellulose microfibrils, or a combination thereof, from 15 wt % to 45 wt % lignin, and from 5 wt % to 20 wt % hemicelluloses. The hemicelluloses may contain xylan or mannan as the major component. Novel properties arise from the hemicellulose content that is intermediate between high hemicellulose content of raw biomass and low hemicellulose content of conventional nanocellulose. The nanolignocellulose composition is hydrophobic due to the presence of lignin. Processes for making and using the nanolignocellulose compositions are also described.
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International Classification(s)
- D21B:FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMEN....
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- C08H:DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C07G:COMPOUNDS OF UNKNOWN CONSTITUTION
- C12P:FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESI....
- C08B:POLYSACCHARIDES; DERIVATIVES THEREOF
- C13K:GLUCOSE; INVERT SUGAR; LACTOSE; MALTOSE; SYNTHESIS....
- D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
- D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....
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