
Spinning of Cellulose Nanofibrils into Filaments: A Review
2016年12月2日 · Spinning of cellulose nanofibrils (CNF) offers promising opportunities to develop renewable fibers and filaments with strong, aligned structure. This review introduces recent findings on the relationship between the properties of CNF hydrogels, the spinning conditions and the performance of filaments obtained by dry- and wet-spinning.
High-strength cellulose nanofiber/graphene oxide hybrid filament …
2021年6月30日 · In this research, high strength and humidity sensing filament was developed by blending cellulose nanofiber (CNF) and graphene oxide (GO), wet-spinning, coagulating, and drying, which can...
Enhanced High Thermal Conductivity Cellulose Filaments via …
2022年10月25日 · In this work, we fabricated high-thermal-conductivity cellulose nanofibril (CNF) filaments with enhanced alignment and crystallinity by hydrodynamically aligning and bonding individual constituent CNFs. We observed a record-high thermal conductivity of 14.5 W/m-K in a single cellulose filament.
Nanocellulose-based filaments: production, characterization, and ...
2024年1月1日 · Zhang and Liimatainen studied the fabrication of nanocellulose filaments based on the interfacial complexation of cationic CNC and three different anionic celluloses, including carboxymethylcellulose (CMC), cellulose nanofibers prepared by TEMPO oxidation (CNF-TO), and dicarboxylated cellulose nanocrystals (CNC-DC).
Hydrodynamic alignment and assembly of nanofibrils resulting ... - Nature
2014年6月2日 · Here we present a process combining hydrodynamic alignment with a dispersion–gel transition that produces homogeneous and smooth filaments from a low-concentration dispersion of cellulose...
Strength and Water Interactions of Cellulose I Filaments Wet
2016年7月28日 · Hydrogels comprising cellulose nanofibrils (CNF) were used in the synthesis of continuous filaments via wet-spinning. Hydrogel viscosity and spinnability, as well as orientation and strength of...
Continuous and sustainable cellulose filaments from ionic …
2021年1月20日 · Paper mill sludge (PMS) is a cellulosic by-product typically used on animal bedding and land spreading. The material has been dissolved in an ionic liquid - 1-ethyl-3-methylimidazolium diethyl phosphate - with the aid of a co-solvent dimethyl sulfoxide (DMSO) - and spun into continuous filaments for textile production.
Effect of sheath flow rate ratio on mechanical properties of cellulose ...
1 天前 · Cellulose nanofibers (CNFs) are promising environmentally friendly biomass materials. The orientation of the CNFs along the single-filament axis is essential for manufacturing strong CNF-based single filaments. In this study, the effects of the electric field and the flow rate ratio between the upstream and downstream sheath flows on the material properties of CNF filaments are clarified for a ...
High-strength and functional nanocellulose filaments made by …
2023年8月1日 · In this study, we report a wet spinning process for making nanocellulose filaments based on low concentration suspension. The corresponding CNF filaments have superior mechanical properties with a Young's modulus of 35 GPa and ultimate strength of 567 MPa, surpassing most reported data using similar wet spinning processes.
Responsive Photonic Filaments from Confined Self-Assembly of Cellulose …
Cellulose nanocrystals (CNCs) hold transformative potential for sustainable photonics, particularly in applications such as polarization-selective devices and chiroptical sensors. However, conventional CNC derivatives are primarily limited to dense flat films, restricting their functionalization in soft fibers and wearable textiles.