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Electroless nickel-phosphorous alloy plating on surface of copper-plated polyester substrate
Pages: 262-268
Year: Issue:  5
Journal: Electroplating & Finishing

Keyword:  polyesternickel-phosphorus alloyelectroless platingelectromagnetic shielding;
Abstract: Electroless copper plating followed by electroless nickel–phosphorous plating was conducted on polyester fabrics. The influences of different factors of electroless Ni–P alloy plating on the conductivity and weight gain rate of metal-plated fabric were discussed. The process parameters of electroless Ni–P plating were optimized by orthogonal test. The adhesion strength, corrosion resistance, and electromagnetic shielding property of Cu/Ni–P alloy-plated fabric were characterized. The optimal bath composition and operation conditions of electroless Ni–P alloy plating on copper-plated polyester substrate were obtained as follows: NiSO4·6H2O 26 g/L, NaH2PO2·H2O 24 g/L, Na3C6H5O7 30 g/L, Na2B4O7·10H2O 6 g/L, temperature 80 °C, pH 11, and time 25 min. The Cu/Ni–P-plated fabric features strong adhesion strength and good corrosion resistance and electromagnetic shielding property.
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