Method for preparing selective chemical plating polymer substrate from base metal
A polymer and selective technology, applied in liquid chemical plating, metal material coating process, coating, etc., can solve the problem of high cost and achieve the effect of low-cost chemical plating and simple process
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Embodiment 1
[0036] Such as figure 1 As shown, use 10% sodium hydroxide solution to soak the polyethylene terephthalate substrate for 20 minutes, wash it with deionized water, and dry it for later use. Put aminopropyltriethoxysilane, ethanol and deionized water (the mass ratio of aminopropyltriethoxysilane, ethanol and deionized water is 30:60:10) in a disperser and stir at high speed for 5 minutes to obtain a uniform solution, then add 10 g / L copper-silver sulfate solution and continue to stir for 10 min, add 10 g / L tetraethyl orthosilicate, use 30% acetic acid to adjust the pH value to 4, continue to stir for 6 hours, and use ethylene glycol and glycerol to adjust The surface tension of the solution is smaller than the surface tension of the polyethylene terephthalate substrate, and the activation solution is obtained. The activation solution was selectively printed on the surface of polyethylene terephthalate substrate by doctor blade coating process, and dried at 150 °C for 5 min. Wa...
Embodiment 2
[0038]Soak the polyvinyl alcohol substrate in 10% sodium hydroxide solution for 20 minutes, wash it with deionized water, and dry it for later use. Put aminopropyltriethoxysilane, ethanol and deionized water (the mass ratio of vinyltriethoxysilane, ethanol and deionized water is 8:60:10) in a disperser and stir at high speed for 5 minutes to obtain a uniform solution , then add 10 g / L ferric chloride solution and continue stirring for 10 min, add 40 g / L tetraethyl titanate, adjust the pH value to 4 with 10% hydrochloric acid, continue stirring for 6 h, and adjust the surface tension of the solution with glycerin If it is smaller than the surface tension of the polyvinyl alcohol substrate, the activation solution is obtained. The activation solution was selectively printed on the surface of the polyvinyl alcohol substrate by a doctor blade coating process, and dried at 80 °C for 10 min. Wash with deionized water, immerse in electroless copper plating solution for plating, and ...
Embodiment 3
[0040] Soak the nylon substrate in 10% sodium hydroxide solution for 20 minutes, wash it with ionized water, and dry it for later use. Put aminopropyltriethoxysilane, ethanol and deionized water (the mass ratio of aminopropyltriethoxysilane, ethanol and deionized water is 10:60:10) in a disperser and stir at high speed for 5 minutes to obtain a uniform solution, then add 200 g / L zinc nitrate solution and continue stirring for 10 min, add 20 g / L tetraethyl titanate, use 30% citric acid to adjust the pH value to 4, continue stirring for 6 h, and use ethylene glycol and glycerol to adjust the solution The surface tension of the nylon substrate is smaller than that of the nylon substrate, and the activation solution is obtained. The activating solution was selectively printed on the surface of nylon substrate by doctor blade coating process, and dried at 100 °C for 8 min. Wash with deionized water, immerse in electroless copper plating solution for plating, and dry at 60 °C for 2...
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