A preparation method of surface metallized composite material through chemical plating under photocatalysis
A composite material and surface metal technology, which is applied in metal material coating process, liquid chemical plating, coating, etc., can solve the problems that the product quality is difficult to meet the use requirements, the surface metal layer is not uniform, and the metal particles are thick, etc., to achieve Improve the plating speed and production efficiency, the surface metal layer is uniform, and the effect of fine metal particles
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[0018] Example 1:
[0019] Immerse 1g of nano titanium dioxide powder in 1L of electroless copper plating solution at a temperature range of 20-50°C with constant stirring.
[0020] Electroless plating is performed by irradiating the ultraviolet light with a wavelength of 254nm for 0.1~10min, and NaOH 14g·L is used during the reaction. -1 Maintain the pH of the bath at 11.5-12.
[0021] The nano-titanium dioxide powder composite material coated with metal copper on the surface is taken out, washed, and dried at 80-200 DEG C in an argon atmosphere for 60-150 minutes to prepare the metal copper-coated nano-titanium dioxide powder composite material.
[0022] The formula composition (mass fraction) of the electroless plating solution is 30% CuSO 4 ·5H 2 O 16g·L -1 , 20% HCHO 16mL·L -1 , 20% mixed complexing agent (KNaC 4 H 4 O 6 ·4H 2 O 15g·L -1 , Na 2 EDTA·2H 2 O 24g·L -1 ), 30% mixed additives (C 10 H 8 N 2 24mg·L -1 , K 4 Fe(CN) 6 ·H 2 O 12mg·L -1 ).
Example Embodiment
[0023] Example 2:
[0024] 1.5 g of nano-titanium dioxide powder-coated PBO fiber composite material was immersed in 2L of electroless copper plating solution at a temperature range of 20-80°C, stirring continuously.
[0025] Electroless plating is performed by irradiating UV light with a wavelength of 360nm for 1-30min, and NaOH 14g·L is used during the reaction. -1 Maintain the pH of the plating solution at 11.5 to 12.5.
[0026] The PBO fiber composite material coated with metal copper on the surface is taken out, washed, and dried in a hydrogen atmosphere at 50 to 200° C. for 60 to 180 minutes to prepare the metal copper coated PBO fiber composite material.
[0027] The formula composition (mass fraction) of the electroless plating solution is 30% CuSO 4 ·5H 2 O 16g·L -1 , 30% HCHO 16mL·L -1 , 20% mixed complexing agent (KNaC 4 H 4 O 6 ·4H 2 O 15g·L -1 , Na 2 EDTA·2H 2 O 24g·L -1 ), 20% mixed additives (C 10 H 8 N 2 24mg·L -1 , K 4 Fe(CN) 6 ·H 2 O 12mg·L -1 ).
Example Embodiment
[0028] Example 3:
[0029] Immerse 2g of the nano-zinc oxide powder coated carbon fiber composite material in 3L of electroless copper plating solution with constant stirring at a temperature range of 0-50°C.
[0030] Electroless plating is carried out by irradiating with ultraviolet light with a wavelength of 254nm for 20-40min, and NaOH 14g·L is used during the reaction. -1 Maintain the pH of the bath at 11-12.
[0031] The carbon fiber composite material coated with metal copper on the surface is taken out, washed, and dried under vacuum at 50-100° C. for 60-120 minutes to prepare the metal copper-coated carbon fiber composite material.
[0032] The formula composition (mass fraction) of the electroless plating solution is 20% CuSO 4 ·5H 2 O 16g·L -1 , 30% HCHO 16mL·L -1 , 30% mixed complexing agent (KNaC 4 H 4 O 6 ·4H 2 O 15g·L -1 , Na 2 EDTA·2H 2 O 24g·L -1 ), 20% mixed additives (C 10 H 8 N 2 24mg·L -1 , K 4 Fe(CN) 6 ·H 2 O 12mg·L -1 ).
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