@article{10272/25146,
year = {2024},
month = {10},
url = {https://hdl.handle.net/10272/25146},
abstract = {This study explores the utilization of eucalyptus kraft lignin (EKL), extracted from black liquor of the pulp and paper industry, doped with polycaprolactone (PCL) to produce nanofibers with potential applications as vegetable oil structuring agents. Solutions of EKL:PCL in different weight ratios were prepared in a N,N-dimethylformamide/ chloroform binary solvent, at concentrations ranging from 10 to 40 wt%, and submitted to electrospinning. Electrospinnability essentially correlates with the shear and extensional rheological properties of the solutions. Resulting electrospun EKL/PCL nanofibers were subsequently dispersed in castor oil at different concentrations (15 and 30 wt%). Stable gel-like dispersions were obtained with electrospun nanostructures predominantly composed of nanofibers or beaded fibers. The rheological properties and microstructure of EKL/ PCL nanofiber-based oleo-dispersions were significantly influenced by both the EKL:PCL weight ratio and electrospun nanofiber concentration, with increases in the linear viscoelasticity functions and viscosity correlating with higher nanofiber concentrations and PCL proportions. These findings point out the potential of EKL/PCL nanofibers as eco-friendly vegetable oil structuring agents, in line with the principles of circular economy through the reuse of renewable waste materials.},
organization = {PID2021-125637OB-I00, funded by MCIN/AEI/10.13039/501100011033 and by “ERDF A way of  making Europe”
Grant PRE2019-090632 from Spain’s Ministry of Science and Innova
tion
Open Access funding provided by Universidad de Huelva / CBUA, thanks to the CRUE-CSIC},
publisher = {Elsevier},
keywords = {Materials Science},
keywords = {Polymer Science},
keywords = {Chemical Engineering},
title = {Electrospinnability of PCL-doped eucalyptus kraft lignin and its application for structuring vegetable oils},
doi = {10.1016/j.molliq.2024.126248},
author = {Rubio Valle, José Fernando and Valencia Barragán, Concepción and Ferrano, Giovanni and Sánchez Carrillo, María Carmen and Martín Alfonso, José Enrique and Franco Gómez, José María},
}