A coating treatment process for precious metal products
A processing technology, precious metal technology, applied in metal material coating process, gaseous chemical plating, coating and other directions, can solve the problems of decreased adhesion, easy falling off, inability to resist oxidation and vulcanization, and achieve favorable adhesion. , the effect of improving adhesion
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Embodiment 1
[0020] Embodiment 1: a kind of precious metal product coating treatment process, comprises the following steps:
[0021] Step 1: pre-cleaning the precious metal substrate to be plated before coating;
[0022] Step 2: Activate the precious metal substrate. Under a vacuum environment with a vacuum degree of 10-20Pa, the pre-cleaned precious metal substrate to be plated is subjected to surface discharge treatment through an ion source discharge treatment system. The treatment method is first Discharge for 10-20min at a temperature of 20-25°C, then paint the activator on the surface of the precious metal substrate, repeat the brushing for 3 times, and then perform discharge treatment, the treatment method is to discharge at a temperature of 25-30°C for 10- 30min, further activate the precious metal substrate;
[0023] Step 3: Turn off the ion source discharge treatment system, re-evacuate to the background vacuum, and then pass in organosilane substances, stabilizers and auxiliar...
Embodiment 2
[0033] Embodiment 2: a kind of precious metal product coating treatment process, comprises the following steps:
[0034]Step 1: pre-cleaning the precious metal substrate to be plated before coating;
[0035] Step 2: Activate the precious metal substrate. Under a vacuum environment with a vacuum degree of 10-20Pa, the pre-cleaned precious metal substrate to be plated is subjected to surface discharge treatment through an ion source discharge treatment system. The treatment method is first Discharge for 10-20min at a temperature of 20-25°C, then paint the activator on the surface of the precious metal substrate, repeat the brushing for 3 times, and then perform discharge treatment, the treatment method is to discharge at a temperature of 25-30°C for 10- 30min, further activate the precious metal substrate;
[0036] Step 3: Turn off the ion source discharge treatment system, re-evacuate to the background vacuum, and then pass in organosilane substances, stabilizers and auxiliary...
Embodiment 3
[0046] Embodiment 3: a kind of precious metal product coating treatment process, comprises the following steps:
[0047] Step 1: pre-cleaning the precious metal substrate to be plated before coating;
[0048] Step 2: Activate the precious metal substrate. Under a vacuum environment with a vacuum degree of 10-20Pa, the pre-cleaned precious metal substrate to be plated is subjected to surface discharge treatment through an ion source discharge treatment system. The treatment method is first Discharge for 10-20min at a temperature of 20-25°C, then paint the activator on the surface of the precious metal substrate, repeat the brushing for 3 times, and then perform discharge treatment, the treatment method is to discharge at a temperature of 25-30°C for 10- 30min, further activate the precious metal substrate;
[0049] Step 3: Turn off the ion source discharge treatment system, re-evacuate to the background vacuum, and then pass in organosilane substances, stabilizers and auxiliar...
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