Cellulose nanofibres by sonocatalysed-TEMPO-oxidation
Abstract The purpose of this work was to study the influence of acoustic cavitation on the oxidation of a mill bleached machine dried hardwood Kraft pulp. The oxidation of the pulp was carried out using 4-acetamido-TEMPO coupled with NaOCl/NaBr as co-oxidizer. The carboxylate content was increased by about 30% without any adverse impact on the degree of polymerization in the case of oxidations under acoustic cavitation compared to the reference without acoustic cavitation. A close correlation between the yield of nanocellulose and the carboxylate content of the oxidized pulps was observed. The individualized cellulose nanofibres were 3–4 nm in width and a few microns in length..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2011 |
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| Erschienen: |
2011 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:18 |
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| Enthalten in: |
Cellulose - 18(2011), 3 vom: 31. März |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Rattaz, Aurélie [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| BKL: | |
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| Themen: |
4-acetamido-TEMPO |
| Anmerkungen: |
© Springer Science+Business Media B.V. 2011 |
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| doi: |
10.1007/s10570-011-9529-8 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
OLC2112215051 |
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| 245 | 1 | 0 | |a Cellulose nanofibres by sonocatalysed-TEMPO-oxidation |
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| 520 | |a Abstract The purpose of this work was to study the influence of acoustic cavitation on the oxidation of a mill bleached machine dried hardwood Kraft pulp. The oxidation of the pulp was carried out using 4-acetamido-TEMPO coupled with NaOCl/NaBr as co-oxidizer. The carboxylate content was increased by about 30% without any adverse impact on the degree of polymerization in the case of oxidations under acoustic cavitation compared to the reference without acoustic cavitation. A close correlation between the yield of nanocellulose and the carboxylate content of the oxidized pulps was observed. The individualized cellulose nanofibres were 3–4 nm in width and a few microns in length. | ||
| 650 | 4 | |a Cellulose | |
| 650 | 4 | |a Oxidation | |
| 650 | 4 | |a 4-acetamido-TEMPO | |
| 650 | 4 | |a Nanofibres | |
| 650 | 4 | |a Ultrasound | |
| 650 | 4 | |a Acoustic cavitation | |
| 700 | 1 | |a Mishra, Shree Prakash |4 aut | |
| 700 | 1 | |a Chabot, Bruno |4 aut | |
| 700 | 1 | |a Daneault, Claude |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Cellulose |d Springer Netherlands, 1994 |g 18(2011), 3 vom: 31. März |h Online-Ressource |w (DE-627)306353857 |w (DE-600)1496831-9 |w (DE-576)121190692 |x 1572-882X |7 nnns |
| 773 | 1 | 8 | |g volume:18 |g year:2011 |g number:3 |g day:31 |g month:03 |
| 856 | 4 | 0 | |u https://dx.doi.org/10.1007/s10570-011-9529-8 |z lizenzpflichtig |3 Volltext |
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