Corrosion behavior of copper/LDPE nanocomposites in simulated uterine solution

  • Cai S
  • Xia X
  • Xie C
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We prepared copper/low-density polyethylene (LDPE) nanocomposites with various mass fractions of copper nanoparticles and investigated the Cu2+release rate of them for 220 days in a simulated uterine solution. The influences of copper nanoparticle mass fraction on Cu2+release and volume resistivity confirm that continuous network of copper nanoparticles can be obtained in composites when copper nanoparticle mass fraction ranges from 30% to 35%. Scanning electron microscopy with energy dispersive X-ray microanalysis (SEM/EDX) mapping technique was employed to investigate the copper distribution and corrosion depth of 30 wt% copper/LDPE composite before and after incubation. Besides, elements and phases were also analyzed by EDX and X-ray diffraction, respectively. The results suggest that copper/LDPE nanocomposites should be more efficient and feasible than conventional IUD materials. © 2004 Elsevier Ltd. All rights reserved.

Author-supplied keywords

  • Copper
  • Elemental mapping
  • IUD
  • LDPE
  • Nanocomposites

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