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Ni-plated hollow glass beads (GBs) were firstly prepared by pd-activation and electroless plating, then Ni-plated GBs were heat treated at 450°C for 1h, Ni-plated GBs/PVC composite was fabricated by using polyvinyl chloride (PVC) adhesive. The microstructure and component of Ni-plated GBs surface were studied by scanning electron microscopy and energy dispersive spectrometer; heat insulation and reflectivity were detected by heat insulation instrument (home-made) and vector network analyzer. The results show coatings prepared by electroless plating were uniform, the nickel element in the coating was higher than 95.71% (mass fraction); with heat treatment, the surface roughness of coating was greater, and the reflectivity descended apparently, the D-value was 1dB at the frequency of 15GHz, but the influence of heat treatment for heat insulation of Ni-plated GBs was not great

Influence of Heat Treatment for Coating of Nickel Plating on Hollow Glass Beads