One-step method for the preparation of cationic nanocellulose in reactive eutectic media
A novel method based on the use of reactive eutectic media for the extraction of cellulose nanocrystals and their functionalization with positively charged functional groups in a one-step procedure is presented. With its ability to form strong hydrogen bonds, the eutectic medium serves as a cellulos...
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| Veröffentlicht in: | Green chemistry : an international journal and green chemistry resource : GC 2021-03, Vol.23 (6), p.2317-2323 |
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| container_issue | 6 |
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| container_title | Green chemistry : an international journal and green chemistry resource : GC |
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| creator | Jaekel, Esther E Sirviö, Juho Antti Antonietti, Markus Filonenko, Svitlana |
| description | A novel method based on the use of reactive eutectic media for the extraction of cellulose nanocrystals and their functionalization with positively charged functional groups in a one-step procedure is presented. With its ability to form strong hydrogen bonds, the eutectic medium serves as a cellulose-solubilizing agent, while the presence of a Leuckart reagent provides the reactivity toward the reductive amination of carbonyl groups in the cellulose chains. In the proposed method, amorphous cellulose domains are partially dissolved by undergoing aminolysis, resulting in the formation of water-dispersible nanocellulose products with high crystallinity.
Cellulose nanocrystals were extracted and functionalized with positively charged groups in a one-step procedure applying new reactive eutectic media. |
| doi_str_mv | 10.1039/d0gc04282j |
| format | Article |
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| identifier | ISSN: 1463-9262 |
| ispartof | Green chemistry : an international journal and green chemistry resource : GC, 2021-03, Vol.23 (6), p.2317-2323 |
| issn | 1463-9262 1463-9270 |
| language | eng |
| recordid | cdi_crossref_primary_10_1039_D0GC04282J |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Amination Bonding agents Bonding strength Carbonyl compounds Carbonyl groups Carbonyls Cellulose Eutectic reactions Functional groups Green chemistry Hydrogen bonding Hydrogen bonds Nanocrystals Reagents |
| title | One-step method for the preparation of cationic nanocellulose in reactive eutectic media |
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