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Functionalization of Polymer Surface with Antimicrobial Microcapsules.

Iva Rezić1, Maja Somogyi Škoc2, Mislav Majdak1

  • 1Department of Applied Chemistry, Faculty of Textile Technology, University of Zagreb, 10000 Zagreb, Croatia.

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Summary

Researchers developed antimicrobial polymers using silver-releasing microcapsules. This functionalization enhances polymer surfaces, offering prolonged antimicrobial effects against resistant strains.

Keywords:
antibacterial silverdip coatingencapsulationmicrocapsulesmicroscopyspectroscopy

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Nanotechnology

Background:

  • Antimicrobial resistance necessitates novel material solutions.
  • Silver ions and nanoparticles offer potent antimicrobial properties.
  • Microcapsules can provide sustained release of antimicrobial agents.

Purpose of the Study:

  • To functionalize polymer surfaces with antimicrobial core/shell microcapsules.
  • To investigate the antimicrobial efficacy and release kinetics of silver-loaded microcapsules on polymer materials.

Main Methods:

  • Core/shell microcapsules were fabricated with a sodium alginate shell and silver core.
  • Polymer surfaces were functionalized using a dip-coating method.
  • Spectroscopic and microscopic techniques were employed for material characterization.
  • In-time release studies were conducted to monitor silver ion diffusion.

Main Results:

  • Successful functionalization of polymer surfaces with silver-loaded microcapsules was confirmed.
  • Characterization techniques verified the integrity and presence of microcapsules on the polymer surface.
  • Controlled release of silver from the microcapsules over time was observed and quantified.

Conclusions:

  • Antimicrobial core/shell microcapsules effectively functionalize polymer surfaces.
  • The study provides data for optimizing silver concentration for desired antimicrobial release profiles.
  • This approach offers a promising strategy for developing advanced antimicrobial materials.