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Preparation and characterization of copper-coated hollow glass microsphere composite particles
Pages: 246-250
Year: Issue:  5
Journal: Electroplating & Finishing

Keyword:  hollow glass microspherepolyvinylpyrrolidonesurface modificationelectroless copper platingcore-shell composite particle;
Abstract: Hollow glass microspheres (HGM) were modified by polyvinylpyrrolidone (PVP), and then evenly coated with copper by palladium-free electroless copper plating using copper ammonia ions as copper source and hydrazine hydrate as reductant respectively to form core-shell composite particles. The micromorphology, structure, and composition of the copper- coated HGM core-shell composite were analyzed using scanning electron microscope (SEM), X-ray diffractometer (XRD), and Fourier-transform infrared spectrometer (FT-IR). The results showed that the copper coating effect on HGM is the best at a temperature of 60 °C. Low concentration of copper ions in reaction system is favorable for the formation of uniform and compact copper coating through the reduced copper particles on HGM surface.
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