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Erschienen in: Cellulose 18/2019

09.09.2019 | Original Research

Choline chloride-lactic acid deep eutectic solvent for delignification and nanocellulose production of moso bamboo

verfasst von: Qian Liu, Tao Yuan, Qin-jin Fu, Yuan-yuan Bai, Feng Peng, Chun-li Yao

Erschienen in: Cellulose | Ausgabe 18/2019

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Abstract

A facile, green and economical method for the high-efficiency utilization and functionalization of bamboo fiber could significantly improve the development of biomass industries. Here, we demonstrated a deep eutectic solvent, which formed from choline chloride (ChCl) and lactic acid (LC), as pretreating agent to delignify moso bamboo (Phyllostachys pubescens) and produce nanocellulose. The results showed that most of the lignin was efficiently removed (94.39%) and 91% of the cellulose was recovered after the moso bamboo was pretreated with ChCl–LC at 120 °C for 3 h with a solid-to-liquid ratio of 1:25. Furthermore, nanofibers with widths of 20–80 nm were successfully prepared from pretreated fibers after a simple mechanical process. SEM and AFM images showed that they have excellent aspect ratio. In addition, the obtained nanofibers could be used to fabricate strong films which feature a high tensile strength ranged from 163 to 213 MPa.

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Metadaten
Titel
Choline chloride-lactic acid deep eutectic solvent for delignification and nanocellulose production of moso bamboo
verfasst von
Qian Liu
Tao Yuan
Qin-jin Fu
Yuan-yuan Bai
Feng Peng
Chun-li Yao
Publikationsdatum
09.09.2019
Verlag
Springer Netherlands
Erschienen in
Cellulose / Ausgabe 18/2019
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-019-02726-0

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