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US 12,522,980 B2Granted
Cellulose composition
AssigneeKemira Oyj
InventorKaisa Karisalmi
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Abstract
The present invention relates to a microfibrillated cellulose composition comprising a microfibrillated cellulose originating from agricultural biomass, said microfibrillated cellulose composition comprising: ≥30 wt % cellulose, 1-15 wt % pectin, 8-25 wt % hemicellulose, 0-12 wt %, lignin, 0-15 wt % ash, and 0-8 wt % protein, based on dry solids content of said composition. The present invention further relates to its manufacture, and use in and manufacture of paper and paperboard products.
Claims13
A microfibrillated cellulose composition comprising,
- a microfibrillated cellulose originating from agricultural biomass, said microfibrillated cellulose comprising the following constituents:
- 40-69 wt % cellulose,
- 1-15 wt % pectin,
- 8-25 wt % hemicellulose,
- 0-12 wt %, lignin,
- 0-15 wt % ash, and
- 0-8 wt % protein,
- wherein the wt % of said constituents is based on dry solids content of said microfibrillated cellulose;
- and wherein said microfibrillated cellulose composition has a dry solids content of 80-95 wt %, based on the total weight of the microfibrillated cellulose composition.
6 more elements
A microfibrillated cellulose composition comprising,
- a microfibrillated cellulose originating from agricultural biomass, said microfibrillated cellulose composition comprising a microfibrillated cellulose comprising the following constituents:
- 40-69 wt % cellulose,
- 1-15 wt % pectin,
- 10-25 wt % hemicellulose,
- 0-12 wt %, lignin,
- 0-15 wt % ash, and
- 0-8 wt % protein,
- wherein the wt % of said constituents is based on dry solids content of said microfibrillated cellulose;
- and further wherein said microfibrillated cellulose composition has a dry solids content of 80-95 wt %, based on the total weight of the microfibrillated cellulose composition.
6 more elements
Dependencies are inferred from the claim text.