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Author Spotlight: Development and Characterization of Eco-Friendly Lignin-Based Microparticles for Enhanced Delivery of Bioflavonoids
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Lignin-Based Hydrogels: Synthesis and Applications.

Diana Rico-García1, Leire Ruiz-Rubio2,3, Leyre Pérez-Alvarez2,3

  • 1Chemistry Department, University Center of Exact Sciences and Engineering, University of Guadalajara, 44430 Guadalajara, Mexico.

Polymers
|January 18, 2020
PubMed
Summary

Lignin, a plant-based biopolymer, offers a sustainable alternative to petroleum-based polymers. This study reviews methods for creating lignin-based hydrogels for applications in biomedicine and environmental remediation.

Keywords:
hydrogelsligninrenewable sources

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Area of Science:

  • Biomaterials Science
  • Polymer Chemistry

Background:

  • Biomass-derived polymers present sustainable alternatives to petroleum-based plastics.
  • Lignin, the second most abundant biopolymer, is abundant and possesses functional groups suitable for material synthesis.
  • Developing lignin-based materials addresses challenges in the paper industry and promotes circular economy principles.

Purpose of the Study:

  • To review recent methods for synthesizing lignin-based hydrogels.
  • To explore the diverse applications of these advanced hydrogels.

Main Methods:

  • Chemical and physical interactions between lignin and established hydrogel polymers.
  • Crosslinking techniques to form stable hydrogel networks.

Main Results:

  • Lignin's functional groups (hydroxyl, carbonyl, methoxyl) facilitate hydrogel formation.
  • Lignin-based hydrogels demonstrate potential in stimuli-responsive materials, flexible supercapacitors, and wearable electronics.
  • Successful integration of lignin into hydrogel formulations for various applications.

Conclusions:

  • Lignin is a versatile biopolymer for developing biodegradable hydrogels.
  • Lignin-based hydrogels show promise for biomedical, environmental, and electronic applications.
  • Further research into lignin hydrogel synthesis and application is warranted.