Surface selective metallization method of plastic products and plastic substrates
A technology for plastic substrates and plastic products, applied in chemical instruments and methods, metal layered products, metal material coating processes, etc., can solve the problems of low chemical plating activity and poor light absorption performance, and achieve chemical plating activity. High, high absorption capacity, easy metallization effect
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Embodiment 1
[0076] (1) tin citrate (46.5mmol), LaN 3 o 9 ·6H 2 O (0.47mmol), citric acid (248mmol) and ethylene glycol (511mmol) were mixed, and 10% by weight nitric acid was added to completely dissolve the raw materials; the resulting mixture was heated to 180°C for esterification for 60 minutes; then sintered at 900°C for 15 hours A calcined product was obtained, and the calcined product was ground to a volume average particle diameter of 1.5 μm, thereby obtaining doped tin oxide. It has been determined that the doped tin oxide composition is 0.99SnO 2 0.01La 2 o 3 . Its light absorption rate at 1064nm wavelength is shown in Table 1.
[0077] (2) Add the doped tin oxide obtained in step (1) into polycarbonate, and after mixing uniformly, send the obtained mixture into an extruder for extrusion granulation. The obtained pellets were fed into an injection molding machine, and injection molded to obtain a plastic sheet containing doped tin oxide. Wherein, relative to 100 parts by ...
Embodiment 2
[0082] (1) According to the method of step (1) in Example 1, the difference is that LaN 3 o 9 ·6H 2 The amount of O used is 2.45 mmol, the amount of citric acid used is 1 mol and the amount of ethylene glycol used is 2.5 mol, and the calcined product is ground to a volume average particle size of 1 μm to obtain doped tin oxide. It has been determined that the doped tin oxide composition is 0.95SnO 2 0.05La 2 o 3 . Its light absorption rate at 1064nm wavelength is shown in Table 1.
[0083] (2) The plastic sheet is prepared in the same way as in Example 1 step (2), except that the doped tin oxide is the doped tin oxide prepared in Example 2 step (1), and relative to 100 wt. Parts of polycarbonate, the amount of doped tin oxide is 5 parts by weight.
[0084] (3) Irradiating the surface of the plastic sheet prepared in step (2) with a laser in the same manner as in step (3) of Example 1.
[0085] (4) The plastic sheet irradiated with laser light obtained in step (3) was s...
Embodiment 3
[0088] (1) According to the method of step (1) in Example 1, the difference is that LaN 3 o 9 ·6H 2 The amount of O used is 4.04 mmol, the amount of citric acid used is 1.2 mol and the amount of ethylene glycol used is 2.8 mol, and the calcined product is ground to a volume average particle size of 3 μm to obtain doped tin oxide. It has been determined that the doped tin oxide composition is 0.92SnO 2 0.08La 2 o 3 . Its light absorption rate at 1064nm wavelength is shown in Table 1.
[0089] (2) The plastic sheet is prepared in the same way as in Example 1 step (2), except that the doped tin oxide is the doped tin oxide prepared in Example 3 step (1), and relative to 100 wt. Parts of polycarbonate, the amount of doped tin oxide is 10 parts by weight.
[0090] (3) Irradiating the surface of the plastic sheet prepared in step (2) with a laser in the same manner as in step (3) of Example 1.
[0091] (4) The plastic sheet irradiated with laser light obtained in step (3) wa...
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