CN103726051A - Plating technology for surface treatment of engineering plastic - Google Patents
Plating technology for surface treatment of engineering plastic Download PDFInfo
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- CN103726051A CN103726051A CN201310609819.3A CN201310609819A CN103726051A CN 103726051 A CN103726051 A CN 103726051A CN 201310609819 A CN201310609819 A CN 201310609819A CN 103726051 A CN103726051 A CN 103726051A
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- plating
- nickel plating
- engineering plastic
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- electroplate liquid
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Abstract
The invention discloses a plating technology for surface treatment of engineering plastic. The plating technology comprises the steps as follows: firstly, processed engineering plastic is soaked into a nickel plating solution for chemical nickel-plating process, and then the engineering plastic subjected to the chemical nickel-plating process is soaked into an electroplate liquid for electronickelling, wherein the nickel plating solution comprises the components by mass as follows: 18 g-22 g of nickel chloride, 18 g-22 g of sodium hypophosphite, 9 g-11 g of sodium citrate and 300 mL of water; and the electroplate liquid comprises the components by mass as follows: 145 g-155 g of nickel chloride, 13 g-16 g of boric acid, 0.4 g-0.6 g of lauryl sodium sulfate and 2.5-4 mL of a brightening agent. With the adoption of the scheme, the deep plating capacity and the uniform plating capacity can be enhanced, so that the plating layer is uniform, compact, low in porosity and not prone to falling and crazing, and has high hardness and high wearing resistance; the surface is bright and clean; and the qualified rate of finished products is high.
Description
Technical field
The present invention relates to technical field of plastic, particularly relate to the plating technic that a kind of engineering plastic surface is processed.
Background technology
At present, the most frequently used method for processing plastic surface is the metallization of frosting, and this method can give plastics how specific performance.And plastic electroplating technology has developed into a kind of valuable technology at nearly 30 years, because the bonding force of coating and matrix is good, etch resistant properties is stronger than take the coating that iron and steel is matrix, and heat-resisting, wear resisting property also can be improved, and therefore, applies more and more wider.
Along with engineering plastics are used more and more widely, its performance requriements is also more and more higher.In order to improve its shortcoming such as non-conductive, easy to wear, need to plate layer of metal at frosting, nickel plating is good selection.Electroless plating is to utilize strong reductant to carry out redox reaction at frosting, makes metal ion be deposited on the process on plastic component.Plastic warp is crossed after pre-treatment and sensitization, activation treatment, makes frosting have catalytic active center, and nickel ion just can be reduced agent reduction and be deposited on frosting through the activation of catalytic active center like this, forms coating.It is bad that nickel plating technology is controlled, and it is bad that nickel plating solution is matched, and all can make the poor adhesive force of coating, and hardness is low, wears no resistance, and even at frosting, forms pit phenomenon, affects attractive in appearance.
Summary of the invention
The technical problem that the present invention mainly solves is to provide the plating technic that a kind of engineering plastic surface is processed, can strengthen covering power, covering power, make coating evenly, fine and close, porosity is low, and coating difficult drop-off and be full of cracks, there is high rigidity and high-wearing feature, any surface finish, product qualified rate is high.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the plating technic that provides a kind of engineering plastic surface to process, comprise the steps: first, treated engineering plastics are immersed in nickel plating solution and carry out chemical nickel plating, then, will carry out electronickelling through in the engineering plastics immersion plating liquid of chemical nickel plating; Wherein, described nickel plating solution comprises following each component forming by quality: nickelous chloride 18-22g, inferior sodium phosphate 18-22g, Trisodium Citrate 9-11g, water 300mL; Described electroplate liquid comprises following each component forming by quality: nickelous chloride 145-155g, boric acid 13-16g, sodium lauryl sulphate 0.4-0.6g, brightening agent 2.5-4mL.
In a preferred embodiment of the present invention, described nickel plating solution comprises following each component forming by quality: nickelous chloride 20g, inferior sodium phosphate 20g, Trisodium Citrate 10g, water 300mL.
In a preferred embodiment of the present invention, described electroplate liquid comprises following each component forming by quality: nickelous chloride 150g, boric acid 15g, sodium lauryl sulphate 0.5g, brightening agent 3mL.
In a preferred embodiment of the present invention, the temperature of described nickel plating solution is 30 ℃, the treatment time 5-7min of described chemical nickel plating.
In a preferred embodiment of the present invention, the temperature of described electroplate liquid is 40 ℃, and current density during plating is 2.5A/dm
, electroplating time is 22-25min.
The invention has the beneficial effects as follows: by adopting nickel plating solution and the electroplate liquid of rational proportion, strict time and the solution temperature of controlling chemical nickel plating and electronickelling, can strengthen covering power, covering power, make coating evenly, fine and close, porosity is low, and coating difficult drop-off and be full of cracks, there is high rigidity and high-wearing feature, any surface finish, product qualified rate is high.
Embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
First the plating technic that engineering plastic surface is processed, comprise the steps:, treated engineering plastics are immersed in nickel plating solution and carry out chemical nickel plating, then, will carry out electronickelling through in the engineering plastics immersion plating liquid of chemical nickel plating; Wherein, described nickel plating solution comprises following each component forming by quality: nickelous chloride 18-22g, inferior sodium phosphate 18-22g, Trisodium Citrate 9-11g, water 300mL; Described electroplate liquid comprises following each component forming by quality: nickelous chloride 145-155g, boric acid 13-16g, sodium lauryl sulphate 0.4-0.6g, brightening agent 2.5-4mL.
The temperature of described nickel plating solution is 30 ℃, and the treatment time 5-7min of described chemical nickel plating, depends on the circumstances.
The temperature of described electroplate liquid is 40 ℃, and current density during plating is 2.5A/dm
, electroplating time is 22-25min, depends on the circumstances.
Embodiment mono-
First the plating technic that engineering plastic surface is processed, comprise the steps:, treated engineering plastics are immersed in nickel plating solution and carry out chemical nickel plating, then, will carry out electronickelling through in the engineering plastics immersion plating liquid of chemical nickel plating; Wherein, described nickel plating solution comprises following each component forming by quality: nickelous chloride 20g, inferior sodium phosphate 20g, Trisodium Citrate 10g, water 300mL; Described electroplate liquid comprises following each component forming by quality: nickelous chloride 150g, boric acid 15g, sodium lauryl sulphate 0.5g, brightening agent 3mL.
The temperature of described nickel plating solution is 30 ℃, and the treatment time 5-7min of described chemical nickel plating, depends on the circumstances.
The temperature of described electroplate liquid is 40 ℃, and current density during plating is 2.5A/dm
, electroplating time is 22-25min, depends on the circumstances.
Embodiment bis-
First the plating technic that engineering plastic surface is processed, comprise the steps:, treated engineering plastics are immersed in nickel plating solution and carry out chemical nickel plating, then, will carry out electronickelling through in the engineering plastics immersion plating liquid of chemical nickel plating; Wherein, described nickel plating solution comprises following each component forming by quality: nickelous chloride 18g, inferior sodium phosphate 22g, Trisodium Citrate 9g, water 300mL; Described electroplate liquid comprises following each component forming by quality: nickelous chloride 145g, boric acid 16g, sodium lauryl sulphate 0.6g, brightening agent 2.5mL.
The temperature of described nickel plating solution is 30 ℃, and the treatment time 5-7min of described chemical nickel plating, depends on the circumstances.
The temperature of described electroplate liquid is 40 ℃, and current density during plating is 2.5A/dm
, electroplating time is 22-25min, depends on the circumstances.
Embodiment tri-
First the plating technic that engineering plastic surface is processed, comprise the steps:, treated engineering plastics are immersed in nickel plating solution and carry out chemical nickel plating, then, will carry out electronickelling through in the engineering plastics immersion plating liquid of chemical nickel plating; Wherein, described nickel plating solution comprises following each component forming by quality: nickelous chloride 22g, inferior sodium phosphate 18g, Trisodium Citrate 11g, water 300mL; Described electroplate liquid comprises following each component forming by quality: nickelous chloride 155g, boric acid 13g, sodium lauryl sulphate 0.4g, brightening agent 3.5mL.
The temperature of described nickel plating solution is 30 ℃, and the treatment time 5-7min of described chemical nickel plating, depends on the circumstances.
The temperature of described electroplate liquid is 40 ℃, and current density during plating is 2.5A/dm
, electroplating time is 22-25min, depends on the circumstances.
The present invention has disclosed the plating technic that a kind of engineering plastic surface is processed, by adopting nickel plating solution and the electroplate liquid of rational proportion, strict time and the solution temperature of controlling chemical nickel plating and electronickelling, can strengthen covering power, covering power, make coating evenly, fine and close, porosity is low, and coating difficult drop-off and be full of cracks, have high rigidity and high-wearing feature, any surface finish, product qualified rate is high.。
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. the plating technic that an engineering plastic surface is processed, it is characterized in that, comprise the steps: first, treated engineering plastics are immersed in nickel plating solution and carry out chemical nickel plating, then, will carry out electronickelling through in the engineering plastics immersion plating liquid of chemical nickel plating; Wherein, described nickel plating solution comprises following each component forming by quality: nickelous chloride 18-22g, inferior sodium phosphate 18-22g, Trisodium Citrate 9-11g, water 300mL; Described electroplate liquid comprises following each component forming by quality: nickelous chloride 145-155g, boric acid 13-16g, sodium lauryl sulphate 0.4-0.6g, brightening agent 2.5-4mL.
2. the plating technic that engineering plastic surface according to claim 1 is processed, is characterized in that, described nickel plating solution comprises following each component forming by quality: nickelous chloride 20g, inferior sodium phosphate 20g, Trisodium Citrate 10g, water 300mL.
3. the plating technic that engineering plastic surface according to claim 1 is processed, is characterized in that, described electroplate liquid comprises following each component forming by quality: nickelous chloride 150g, boric acid 15g, sodium lauryl sulphate 0.5g, brightening agent 3mL.
4. the plating technic that engineering plastic surface according to claim 1 is processed, is characterized in that, the temperature of described nickel plating solution is 30 ℃, the treatment time 5-7min of described chemical nickel plating.
5. the plating technic that engineering plastic surface according to claim 1 is processed, is characterized in that, the temperature of described electroplate liquid is 40 ℃, and current density during plating is 2.5A/dm
, electroplating time is 22-25min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310609819.3A CN103726051A (en) | 2013-11-27 | 2013-11-27 | Plating technology for surface treatment of engineering plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310609819.3A CN103726051A (en) | 2013-11-27 | 2013-11-27 | Plating technology for surface treatment of engineering plastic |
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| Publication Number | Publication Date |
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| CN103726051A true CN103726051A (en) | 2014-04-16 |
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| CN201310609819.3A Pending CN103726051A (en) | 2013-11-27 | 2013-11-27 | Plating technology for surface treatment of engineering plastic |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243744A (en) * | 2018-09-20 | 2019-01-18 | 贝迪斯电子有限公司 | A kind of preparation method of zero ohms column resistance |
| CN112251741A (en) * | 2020-11-13 | 2021-01-22 | 北京曙光航空电气有限责任公司 | Preparation and repair method of nickel plating film repair liquid |
| CN112725797A (en) * | 2020-12-18 | 2021-04-30 | 厦门市湘美塑料制品有限公司 | High-strength corrosion-resistant plastic electroplating process |
| CN113248840A (en) * | 2021-05-10 | 2021-08-13 | 宁波晶美科技有限公司 | Automobile door handle and electroplating process thereof |
-
2013
- 2013-11-27 CN CN201310609819.3A patent/CN103726051A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243744A (en) * | 2018-09-20 | 2019-01-18 | 贝迪斯电子有限公司 | A kind of preparation method of zero ohms column resistance |
| CN112251741A (en) * | 2020-11-13 | 2021-01-22 | 北京曙光航空电气有限责任公司 | Preparation and repair method of nickel plating film repair liquid |
| CN112725797A (en) * | 2020-12-18 | 2021-04-30 | 厦门市湘美塑料制品有限公司 | High-strength corrosion-resistant plastic electroplating process |
| CN113248840A (en) * | 2021-05-10 | 2021-08-13 | 宁波晶美科技有限公司 | Automobile door handle and electroplating process thereof |
| CN113248840B (en) * | 2021-05-10 | 2022-04-15 | 宁波晶美科技有限公司 | Automobile door handle and electroplating process thereof |
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Application publication date: 20140416 |