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Chemical silvering and pretreatment process for synthetic quartz diamond pavilion

An artificial crystal, chemical silver plating technology, applied in liquid chemical plating, metal material coating process, coating and other directions, to achieve the effect of improving the utilization rate, improving the process, and avoiding yellowing, black and white

Active Publication Date: 2013-04-03
潘晓
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide artificial crystal diamond pavilion chemical silver plating and pretreatment process, this invention not only improves the combination of the silver plating layer of rhinestone silver plating strength, and the brightness of the silver-plated layer after silver plating is stable, and there will be no phenomenon of yellowing, blackening and whitening

Method used

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  • Chemical silvering and pretreatment process for synthetic quartz diamond pavilion
  • Chemical silvering and pretreatment process for synthetic quartz diamond pavilion

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Embodiment 1

[0041] 4. Put in No. 2 degreasing solution (solution composition: sodium pyrophosphate 1%-5%, sodium carbonate 1%-4%, sodium hydroxide 1%-4%, surfactant 0.1%-3% ) in ultrasonic cleaning for 10 minutes;

[0042] 5. Put in the ultrasonic roughening solution (ammonium bifluoride 0.5%-5%) for 5 minutes, then rinse with water;

[0043] 6. Put it in an ultrasonic wave filled with pure water for 5 minutes, and then rinse it with pure water;

[0044] 7. Put it into a sensitization tank filled with alkaline sensitization solution (1%-4% stannous chloride and 1%-4% sodium hydroxide) for sensitization for 5 minutes;

[0045] 8. During silver plating, No. 1 silver plating solution and No. 1 reducing solution are used for spraying, and the spraying process is carried out according to the spraying process of the prior art. Wherein, the solution composition of the No. 1 silver plating solution is: silver nitrate 1%, ammonia water 2%, sodium hydroxide 0.9%. The solution composition of No. 1 ...

Embodiment 2

[0054] 4. Put in No. 2 degreasing solution (solution composition: sodium pyrophosphate 1%-5%, sodium carbonate 1%-4%, sodium hydroxide 1%-4%, surfactant 0.1%-3% ) in ultrasonic cleaning for 20 minutes;

[0055] 5. Put in the ultrasonic roughening solution (ammonium bifluoride 0.5%-5%) for 5 minutes, then rinse with water;

[0056] 6. Put it in an ultrasonic wave filled with pure water for 10 minutes, then rinse it with pure water;

[0057] 7. Put it into a sensitization tank filled with alkaline sensitization solution (1%-4% stannous chloride and 1%-4% sodium hydroxide) for sensitization for 10 minutes;

[0058] 8. During silver plating, No. 1 silver plating solution and No. 1 reducing solution are used for spraying, and the spraying process is carried out according to the spraying process of the prior art. Wherein, the solution composition of the No. 1 silver plating solution is: silver nitrate 1%, ammonia water 2%, sodium hydroxide 0.9%. The solution composition of No. 1 ...

Embodiment 3

[0067] 4. Put in No. 2 degreasing solution (solution composition: sodium pyrophosphate 1%-5%, sodium carbonate 1%-4%, sodium hydroxide 1%-4%, surfactant 0.1%-3% ) in ultrasonic cleaning for 10 minutes;

[0068] 5. Put in the ultrasonic roughening solution (ammonium bifluoride 0.5%-5%) for 5 minutes, then rinse with water;

[0069] 6. Put it in an ultrasonic wave filled with pure water for 5 minutes, and then rinse it with pure water;

[0070] 7. Put it into a sensitization tank filled with alkaline sensitization solution (1%-4% stannous chloride and 1%-4% sodium hydroxide) for sensitization for 5 minutes;

[0071] 8. No. 2 silver plating solution and No. 2 reducing solution are used for immersion plating during silver plating, and the immersion plating process is carried out according to the immersion plating process of the prior art. Wherein, the solution of the No. 2 silver-plating solution consists of: silver nitrate 1%, ammonia 6%; the solution of the No. 2 reducing solu...

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Abstract

The invention discloses a chemical silvering and pretreatment process for a synthetic quartz diamond pavilion. The process comprises the following steps: wetting and rough washing, deoiling with deoiling liquid 1, scrubbing, deoiling with deoiling liquid 2, coarsening, cleaning and sensitizing; and then implementing the chemical silvering by using a jet plating or dip plating manner. At the same time of completing the pretreatment process, the process adopts proper coarsening and sensitizing process and silvering liquid formula, so that the silvering layer adhesion of silvered products is improved, and the phenomenon of silvered layers becoming yellow, black and white is avoided.

Description

technical field [0001] The invention belongs to the artificial crystal diamond silver plating process, in particular, the invention relates to the chemical silver plating and pretreatment process of the artificial crystal diamond pavilion. Background technique [0002] Man-made crystal diamonds (referred to as rhinestones) are a wide range of jewelry accessories, mainly used in jewelry, handicrafts, clothing, footwear and other fields. At present, the manufacturing process of rhinestones is mainly divided into two steps. The first part is the shape manufacturing of rhinestones (semi-finished products), which mainly rely on equipment (grinding machines, polishing machines) to be realized by manual operation, automatic or semi-automatic control. The second part refers to the semi-finished products. Subsequent processing, the process is mainly composed of cleaning, mold suction, inspection, re-cleaning, silver plating, painting and other processes. The present invention mainl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/42C23C18/44C23C18/18
Inventor 张序虎张甜甜李立熊书建
Owner 潘晓
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