Effect of Wet Spinning and Stretching to Enhance Mechanical Properties of Cellulose Nanofiber Filament
| Autor: | Lindong Zhai, Jaehwan Kim, Ji Yun Lee, Hyun Chan Kim, Debora Kim |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
0209 industrial biotechnology
Materials science Renewable Energy Sustainability and the Environment Mechanical Engineering macromolecular substances 02 engineering and technology 021001 nanoscience & nanotechnology Industrial and Manufacturing Engineering Nanocellulose Protein filament chemistry.chemical_compound 020901 industrial engineering & automation chemistry Management of Technology and Innovation Nanofiber Ultimate tensile strength General Materials Science Cellulose Composite material 0210 nano-technology Spinning Natural fiber Tensile testing |
| Zdroj: | International Journal of Precision Engineering and Manufacturing-Green Technology. 6:567-575 |
| ISSN: | 2198-0810 2288-6206 |
| DOI: | 10.1007/s40684-019-00070-z |
| Popis: | Long filament made with nanocellulose has been researched due to its eminent mechanical and physical properties for next generation of natural fiber reinforced polymer composites. Wet spinning process for long filament fabrication in conjunction with stretching method has advantages of high efficiency and low-cost. To fabricate homogeneous and strong cellulose nanofiber filament, this paper experimentally investigates the process parameters, including spinning speed, pre-dry temperature and inner diameter of needle. In addition to the spinning process, a mechanical stretching process is taken into account to further improve the mechanical properties of the cellulose nanofiber filament. The effects of wet spinning and stretching are evaluated by using scanning electron microscope, tensile test and 2D wide angle X-ray diffraction. As a result, the stretched cellulose nanofiber filament exhibits its Young’s modulus of 37.5 GPa and tensile strength of 543.1 MPa, which are significantly improved from the previous reports. All about the fabrication process, characterization and evaluation of the cellulose nanofiber filaments are illustrated. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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