A nanocellulose material of plant origin comprising nanocellulose particles or fibres derived from a plant material having a hemicellulose content of 30% or higher (w/w) (calculated as a weight percentage of the lignocellulosic components of the material). The nanocellulose may have an aspect ratio
A nanocellulose material of plant origin comprising nanocellulose particles or fibres derived from a plant material having a hemicellulose content of 30% or higher (w/w) (calculated as a weight percentage of the lignocellulosic components of the material). The nanocellulose may have an aspect ratio of greater than 250. The nanocellulose may be derived from plant materials having C4 leaf morphology. The plant material may be obtained from arid Spinifex. The nanocellulose can be made using mild processing conditions.
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1. A nanocellulose material that is of plant origin and comprises nanocellulose particles or fibres derived from a plant material, wherein the nanocellulose material has a hemicellulose content of 30% w/w or greater, wherein the nanocellulose material comprises nanocellulose particles or fibres havi
1. A nanocellulose material that is of plant origin and comprises nanocellulose particles or fibres derived from a plant material, wherein the nanocellulose material has a hemicellulose content of 30% w/w or greater, wherein the nanocellulose material comprises nanocellulose particles or fibres having a diameter of up to 20 nm. 2. The nanocellulose material as claimed in claim 1 wherein the plant material has a hemicellulose content of from 30 to 50% w/w and the nanocellulose material has a hemicellulose content of from 30 to 50% w/w. 3. The nanocellulose material as claimed in claim 2 wherein the plant material has a hemicellulose content of from 30 to 45% w/w and the nanocellulose material has a hemicellulose content of from 30 to 45%. 4. The nanocellulose material as claimed in claim 3 wherein the plant material has a hemicellulose content of from 32 to 38% w/w and the nanocellulose material has a hemicellulose content of from 32 to 38%. 5. The nanocellulose material as claimed in claim 4 wherein the plant material has a hemicellulose content of from 32 to 36% w/w and the nanocellulose material has a hemicellulose content of from 32 to 36%. 6. The nanocellulose material as claimed in claim 1 wherein the nanocellulose material has an aspect ratio of at least 250. 7. The nanocellulose material as claimed in claim 6 wherein the nanocellulose material has an aspect ratio of between 250 to 10,000. 8. The nanocellulose material as claimed in claim 7 wherein the nanocellulose material has an aspect ratio of between 250 to 5000. 9. The nanocellulose material as claimed in claim 8 wherein the nanocellulose material has an aspect ratio of between 250 to 1000. 10. The nanocellulose material as claimed in claim 9 wherein the nanocellulose material has an aspect ratio of between 266 to 958. 11. The nanocellulose material as claimed in claim 1 wherein the nanocellulose is derived from a plant material having C4 leaf anatomy. 12. The nanocellulose material as claimed in claim 1 wherein the nanocellulose material comprises cellulose nanocrystals (CNC) or nanofibrillated cellulose (NFC). 13. The nanocellulose material as claimed in claim 1 wherein the nanocellulose material comprises nanocellulose particles or fibres having a diameter of up to 15 nm. 14. The nanocellulose material as claimed in claim 13 wherein the nanocellulose material comprises nanocellulose particles or fibres having a diameter of up to 10 nm. 15. The nanocellulose material as claimed in claim 14 wherein the nanocellulose material comprises nanocellulose particles or fibres having a diameter of up to 8 nm. 16. The nanocellulose material as claimed in claim 1 wherein the nanocellulose material comprises nanocellulose particles or fibres having a length that falls within the range of from 200 nm up to 10 μm. 17. The nanocellulose material as claimed in claim 1 wherein the nanocellulose material is derived from plant material in which an amount of hemicellulose in the plant material is greater than an amount of lignin in the plant material. 18. The nanocellulose material as claimed in claim 1 wherein the nanocellulose material is derived from plant material and the plant material is derived from a drought-tolerant grass species. 19. The nanocellulose material as claimed in claim 18 wherein the plant material is derived from arid grass species. 20. The nanocellulose material as claimed in claim 1 wherein the nanocellulose material is derived from plant material and the plant material is derived from Australian native arid grass known as “spinifex” from the genera Triodia, Monodia, or Symplectrodia, T. pungens, T. shinzii, T. basedowii, or T. longicep. 21. The nanocellulose material as claimed in claim 1 wherein the nanocellulose material is derived from plant material and the plant material is derived from Digitaria sanguinalis (L.) Scopoli, Panicum coloratura L. var. makarikariense Goossens, Brachiaria brizantha (Hochst. Ex A. Rich) Stapf, D. violascens Link, P. dichotomiflorum Michaux, B. decumbens Stapf, Echinochloa crus-galli P. Beauv., P. miliaceum L., B. humidicola (Rendle) Schweick., Paspalum distichum L., B. mutica (Forsk.) Stapf, Setaria glauca (L.) P. Beauv, Cynodon dactylon (L.) Persoon, Panicum maximum Jacq., S. viridis (L.) P. Beauv, Eleusine coracana (L.) Gaertner, Urochloa texana (Buckley) Webster, Sorghum sudanense Stapf, E. indica (L.) Gaertner, Spodiopogon cotulifer (Thunb.) Hackel, Eragrostis cilianensis(Allioni) Vignolo-Lutati, Chloris gayana Kunth, Eragrostis curvula, Leptochloa dubia, Muhlenbergia wrightii, E. ferruginea (Thunb.) P. Beauv., Sporobolus indicus R. Br. var. purpureo-suffusus (Ohwi) T. Koyama, Andropogon gerardii, Leptochloa chinensis (L.) Nees, grasses of the Miscanthus genus (elephant grass), plants of the genus Salsola including Russian Thistle, ricestraw, wheat straw, and corn stover, and Zoysia tenuifolia Willd, or derived from plant material derived from arid grasses, Anigozanthos, Austrodanthonia, Austrostipa, Baloskion pallens, Baumea juncea, Bolboschoenus, Capillipedium, Carex bichenoviana, Carec gaudichaudiana, Carex appressa, C. tereticaulis, Caustis, Centrolepis, Chloris truncate, Chorizandra, Conostylis, Cymbopogon, Cyperus, Desmocladus flexuosa, Dichanthium sericeum, Dichelachne, Eragrostis, Eurychorda complanata, Evandra aristata, Ficinia nodosa, Gahnia, Gymnoschoenus sphaerocephalus, Hemarthria uncinata, Hypolaeana, Imperata cylindrical, Johnsonia, Joycea pallid, Juncus, Kingia australis, Lepidosperma, Lepironia articulate, Leptocarpus, Lomandra, Meeboldina, Mesomelaena, Neurachne alopecuroidea, Notodanthonia, Patersonia, Poa, Themedo triandra, Tremulina tremula, Triglochin, Triodia and Zanthorrhoea, Aristida pallens (Wire grass), Andropogon gerardii (Big bluestem), Bouteloua eriopoda (Black grama), Chloris roxburghiana (Horsetail grass), Themeda triandra (Red grass), Panicum virgatum (Switch grass), Pennisetum ciliaris (Buffel grass), Schizachyrium scoparium (Little bluestem), Sorghatrum nutans (Indian grass), Ammophila arenaria (European beach grass) and Stipa tenacissima (Needle grass).
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