Digital light processing 3D printing of conductive complex structures

We found that 0.3 wt% loading of multi-walled carbon nanotubes in the resin matrix can provide the maximum electrical conductivity of 0.027S/m under the resin viscosity limit that allows high printing quality

Quanyi Mu

2017

Scholarcy highlights

  • multi-walled carbon nanotubes were used with photocurable resin to form conductive ink for 3D printing
  • The ink was made of a mixture of photocurable resin with multi-walled carbon nanotubes
  • We demonstrate that the printed conductive complex structures as hollow capacitive sensor, electrically activated shape memory composites, stretchable circuits, showing the versatility of DLP® 3D printing for conductive complex structures
  • Mechanical tests showed that the addition of MWCNT could slightly increase the modulus and ultimate tensile stress while decreasing slightly the ultimate stretch, indicating that the new functionality is not obtained at the price of sacrificing mechanical properties
  • Mechanical tests showed that the addition of multi-walled carbon nanotubes could slightly increase the modulus and ultimate tensile stress while decreasing slightly the ultimate stretch, indicating that the new functionality is not obtained at the price of sacrificing mechanical properties

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