Properties of chitosan/CuNPs coatings electrophoretically deposited on TiO2 nanotubular oxide layer of Ti13Zr13Nb alloy
Year: 2022
Journal: Mater. Lett., Volume 308, FEB 1
Authors: Bartmanski, Michal; Pawlowski, Lukasz
Keywords: Biomaterials; Nanoparticles; Polymeric composites; Electrodeposition; Corrosion; Metals and alloys
Coatings based on chitosan/CuNPs (chit/CuNPs) were obtained by a one-step electrophoretic deposition (EPD) on nanotubular oxide layer of Ti13Zr13Nb alloy. The deposition was carried out for 1 min applying voltages of 10 and 20 V with and without the addition of dispersing agent (Polysorbate 20) to the suspension. The coatings obtained for the lower voltage were more uniform than for the higher voltage. By adding a dispersing agent, the agglomeration of copper nanoparticles was reduced, resulting in better adhesion of the coating to the metallic substrate, good corrosion resistance and improved wettability.
