Effect of Ionic Liquids in the Elaboration of Nanofibers of Cellulose Bagasse from Agave tequilana Weber var. azul by Electrospinning Technique

Enrique Márquez-Ríos, Miguel Ángel Robles-García, Francisco Rodríguez-Félix, José Antonio Aguilar-López, Francisco Javier Reynoso-Marín, José Agustín Tapia-Hernández, Francisco Javier Cinco-Moroyoqui, Israel Ceja-Andrade, Ricardo Iván González-Vega, Arturo Barrera-Rodríguez, Jacobo Aguilar-Martínez, Edgar Omar-Rueda-Puente, Carmen Lizette Del-Toro-Sánchez*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The objective of this paper was to report the effect of ionic liquids (ILs) in the elaboration of nanofibers of cellulose bagasse from Agave tequilana Weber var. azul by the electrospinning method. The ILs used were 1-butyl-3-methylimidazolium chloride (BMIMCl), and DMSO was added as co-solvent. To observe the effect of ILs, this solvent was compared with the organic solvent TriFluorAcetic acid (TFA). The nanofibers were characterized by transmission electron microscopy (TEM), X-ray, Fourier transform-infrared using attenuated total reflection (FTIR-ATR) spectroscopy, and thermogravimetric analysis (TGA). TEM showed different diameters (ranging from 35 to 76 nm) of cellulose nanofibers with ILs (CN ILs). According to X-ray diffraction, a notable decrease of the crystalline structure of cellulose treated with ILs was observed, while FTIR-ATR showed two bands that exhibit the physical interaction between cellulose nanofibers and ILs. TGA revealed that CN ILs exhibit enhanced thermal properties due to low or null cellulose crystallinity. CN ILs showed better characteristics in all analyses than nanofibers elaborated with TFA organic solvent. Therefore, CN ILs provide new alternatives for cellulose bagasse. Due to their small particle size, CN ILs could have several applications, including in food, pharmaceutical, textile, and material areas, among others.

Original languageEnglish
Article number2819
JournalNanomaterials
Volume12
Issue number16
DOIs
StatePublished - Aug 2022
Externally publishedYes

Bibliographical note

Funding Information:
This work was supported by the University of Sonora under grant number USO313007398.

Funding Information:
This research was funded by a collaboration project (grant 234272) between the Universidad de Sonora and the Universidad de Guadalajara. Author Miguel Ángel Robles-García acknowledges the National Council for Science and Technology (CONACyT, Mexico) for providing a doctoral fellowship.

Publisher Copyright:
© 2022 by the authors.

Keywords

  • agave bagasse cellulose
  • cellulose nanofibers
  • electrospinning technique
  • ionic liquids

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