Preparation method of plastic product and plastic product
A technology for plastic products and plastics, which is applied in the field of surface metallization of non-metallic materials, can solve the problems of complex metallization process and high energy requirements on the surface of plastics, and achieve the effects of high bonding force, low energy requirements and simple process.
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[0015] The invention provides a kind of preparation method of plastic product, comprises the following steps:
[0016] 1) forming a plastic substrate; the plastic substrate is a thermoplastic or thermosetting plastic containing an electroless plating catalyst, and the electroless plating catalyst is evenly distributed in the thermoplastic or thermosetting plastic; the electroless plating catalyst is a compound shown in formula I, II or III;
[0017] CuFe 2 o 4-δ ................................... Formula I
[0018] Ca 0.25 Cu 0.75 TiO 3-β ................................Formula II
[0019] TiO 2-σ ...................................Formula III
[0020] Among them, δ is the degree of oxygen deficiency in the compound shown in formula I, 0.05≤δ≤0.8; β is the degree of oxygen deficiency in the compound shown in formula II, 0.05≤β≤0.5; σ is the degree of oxygen deficiency in the compound shown in formula III The degree of oxygen deficiency in the compound, 0.05≤σ≤1.0;
...
Embodiment 1
[0058] (1) Under continuous stirring, prepare Cu(NO 3 ) 2 and Fe(NO 3 ) 3 The mixed solution with a concentration of 0.5mol / L was dripped into the potassium hydroxide solution at a rate of 1ml / min with a peristaltic pump, and the temperature was rapidly raised to 80°C, and the stirring was continued for 24 hours. During the stirring process, the pH was kept within 10-11. The product was washed with distilled water and acetone, filtered, dried at 120°C for 24 hours, and ground to 300 mesh.
[0059] (2) Preparation of electroless plating catalyst:
[0060] In high purity N 2 The product of step (1) was calcined at 1000°C under protection for 4 hours, ground for 10 hours until the average particle size of the powder was 700nm, and the electroless plating catalyst CuFe of this embodiment was obtained. 2 o 4-δ , chemical analysis method to measure the degree of oxygen deficiency δ = 0.35.
[0061] (3) Plastic matrix molding:
[0062] With the CuFe of PC / ABS resin, step (2) ...
Embodiment 2
[0067] (1) Preparation of Ca by solid phase sintering method 0.25 Cu 0.75 TiO 3 :
[0068] CaCO3, CuO, TiO 2 The powder is dosed according to the stoichiometric ratio and mixed evenly, transferred to a ball mill for ball milling, using anhydrous alcohol as the grinding medium, milled for 8 hours, pre-calcined at 800°C for 10 hours after infrared drying, and obtained Ca 0.25 Cu 0.75 TiO 3 .
[0069] (2) Preparation of electroless plating catalyst:
[0070] Ca 0.25 Cu 0.75 TiO 3 , the calcination time is 4h, and the average particle size of the powder is ground to 500nm to obtain the electroless plating catalyst Ca of the present embodiment 0.25 Cu 0.75 TiO 3-β , chemical analysis method to measure the degree of oxygen deficiency β = 0.16.
[0071] 3) Plastic matrix molding:
[0072] The Ca of PP resin, step (2) 0.25 Cu 0.75 TiO 3-β (β=0.16), antioxidant 1076 and polyethylene wax are mixed in a mass ratio of 100:10:0.2:0.1, extruded and granulated, and injection...
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