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Multifunctional Leather Surface Design by Using Carbon Nanotube-Based Composites.

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This study demonstrates smart leather surfaces with multi-walled carbon nanotubes (MWCNTs) for enhanced conductivity and self-cleaning properties. These advanced leather materials offer potential for flexible electronics and improved durability.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Textile Chemistry

Background:

  • Traditional leather lacks advanced functionalities like conductivity and self-cleaning.
  • Developing smart materials requires integrating nanomaterials into existing substrates.
  • Multi-walled carbon nanotubes (MWCNTs) offer unique electrical and chemical properties.

Purpose of the Study:

  • To design and demonstrate multifunctional smart leather surfaces using MWCNT-based nanocomposites.
  • To investigate the impact of MWCNTs on leather's conductive, photocatalytic, and protective properties.
  • To analyze the dispersion and reactivity of MWCNTs on different leather types.

Main Methods:

  • Application of 0.5% MWCNTs in finishing nanocompositions on sheepskin and bovine leather.
  • Evaluation of electrical conductivity, photocatalytic activity (olive oil stain degradation), and volatile organic compound (VOC) decomposition.
  • Assessment of antibacterial properties, UV protection factor, and fastness resistance.
  • Characterization using Scanning Electron Microscopy with Energy Dispersive X-ray (SEM-EDX), X-ray Photoelectron Spectroscopy (XPS), and Attenuated Total Reflection-Fourier Transform Infrared (ATR-FTIR) spectroscopy.

Main Results:

  • Achieved conductive properties in both sheepskin and bovine leather with 0.5% MWCNTs.
  • Demonstrated photocatalytic self-cleaning of bovine leather against olive oil stains under visible light.
  • Confirmed VOC decomposition and antibacterial activity, supporting self-cleaning claims.
  • Observed excellent Ultraviolet Protection Factor and improved fastness resistance.
  • Characterization confirmed MWCNT dispersion influenced nanoparticle reactivity and self-cleaning efficiency.

Conclusions:

  • MWCNT-based nanocomposites enable the creation of multifunctional leather surfaces with enhanced properties.
  • The developed smart leather materials show promise for applications in flexible electronics and high-performance textiles.
  • Surface characterization techniques validated the relationship between MWCNT dispersion and functional performance.