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Wet-Spun Composite Filaments from Lignocellulose Nanofibrils/Alginate and Their Physico-Mechanical Properties
Content Provider | MDPI |
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Author | Park, Ji-Soo Han, Song-Yi Bandi, Rajkumar Lee, Eun-Ah Cindradewi, Azelia-Wulan Kim, Jeong-Ki Kwon, Gu-Joong Seo, Young-Ho Youe, Won-Jae Gwon, Jaegyoung Park, Chan-Woo Lee, Seung-Hwan |
Copyright Year | 2021 |
Description | Lignocellulose nanofibrils (LCNFs) with different lignin contents were prepared using choline chloride (ChCl)/lactic acid (LA), deep eutectic solvent (DES) pretreatment, and subsequent mechanical defibrillation. The LCNFs had a diameter of 15.3–18.2 nm, which was similar to the diameter of commercial pure cellulose nanofibrils (PCNFs). The LCNFs and PCNFs were wet-spun in $CaCl_{2}$ solution for filament fabrication. The addition of sodium alginate (AL) significantly improved the wet-spinnability of the LCNFs. As the AL content increased, the average diameter of the composite filaments increased, and the orientation index decreased. The increase in AL content improved the wet-spinnability of CNFs but deteriorated the tensile properties. The increase in the spinning rate resulted in an increase in the orientation index, which improved the tensile strength and elastic modulus. |
Starting Page | 2974 |
e-ISSN | 20734360 |
DOI | 10.3390/polym13172974 |
Journal | Polymers |
Issue Number | 17 |
Volume Number | 13 |
Language | English |
Publisher | MDPI |
Publisher Date | 2021-09-01 |
Access Restriction | Open |
Subject Keyword | Polymers Paper and Wood Lignocellulose Nanofibril Alginate Wet-spinning Composite Filament |
Content Type | Text |
Resource Type | Article |