CN106567114A - Electroplating method for spraying and activating of surface of ABS plastic - Google Patents
Electroplating method for spraying and activating of surface of ABS plastic Download PDFInfo
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- CN106567114A CN106567114A CN201610944181.2A CN201610944181A CN106567114A CN 106567114 A CN106567114 A CN 106567114A CN 201610944181 A CN201610944181 A CN 201610944181A CN 106567114 A CN106567114 A CN 106567114A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/54—Electroplating of non-metallic surfaces
- C25D5/56—Electroplating of non-metallic surfaces of plastics
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/2006—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
- C23C18/2046—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment
- C23C18/2073—Multistep pretreatment
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- Engineering & Computer Science (AREA)
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- Electrochemistry (AREA)
- Chemically Coating (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention belongs to the technical field of material surface engineering and discloses an electroplating method for spraying and activating of the surface of ABS plastic. The method comprises the steps that alkali wash for oil removal and chemical roughening pretreatment are conducted on the surface of the ABS plastic, and then the ABS plastic is subjected to presoaking pretreatment in a stannous chloride solution; the ABS plastic subjected to presoaking pretreatment is subjected to spraying treatment through a sensitizing solution and an activating solution; and the ABS plastic subjected to spraying treatment is soaked in a chemical copper plating solution to be subjected to chemical copper plating treatment, and finally the ABS plastic is subjected to copper electroplating treatment and nickel electroplating treatment in a copper electroplating solution and a nickel electroplating solution in sequence. According to the electroplating method, a traditional palladium colloid activating technique is replaced by the palladium-free sensitizing solution and activating solution spraying technique, and the electroplating method has the advantages of being small in pollution, short in working hour and low in cost. A prepared metal coating is even, compact, good in stability and broad in application prospects.
Description
Technical field
The invention belongs to material surface engineering technolog field, and in particular to a kind of plating of ABS plastic surface spraying activation
Method.
Background technology
The characteristics of plastic electroplating product has the aesthetic appearances of the lightweight of plastics, easy-formation and the coat of metal concurrently, thus quilt
It is widely used in the parts of automobile, motorcycle, household electrical appliance.Such as vehicle door handle, trade mark, illuminator, steering wheel, hubcap are filled
Decorations, adopt in a large number plastic electroplating product.The consumption for increasing plastic fittings is to reduce the effective measures of car body weight, but if is not had
Plating metal, as its incrustation and protection, is unpractical, so to reach decoration, resistance to by the coating of piece surface
The purpose such as burn into is wear-resisting.Plastic electroplating can not only replace to a certain extent valuable non-ferrous metal, moreover it is possible to save machinery and add
Work man-hour, simplified processing process improves accessory appearance, raises labour productivity, and mitigates product weight and reduces product cost.
ABS plastic is the abbreviation of acrylonitrile-butadiene-styrene copolymer, with good toughness, corrosion resistance, chemistry
The advantages such as stability, electrical insulating property and relatively low price, are widely used in material engineering.But ABS is non-conductive, nothing
Method is directly metallized on its surface.Traditional handicraft is that its surface is inhaled using colloid palladium process, the workpiece after colloid palladium activation
Attached is the micelle with atom palladium as core.Simultaneously in order that palladium can play catalytic action, the Bivalent Tin around atom need to be attached to
Colloid layer is removed, that is, carry out follow-up dispergation and process.Because the salt of palladium is expensive, virtually improve chemical plating process into
This, while conventional process flow is complex.
The content of the invention
In order to solve the shortcoming and defect part of above prior art, it is an object of the invention to provide a kind of ABS plastic
The electro-plating method of surface spraying activation.
The object of the invention is achieved through the following technical solutions：
A kind of electro-plating method of ABS plastic surface spraying activation, comprises the steps：
(1) pre-treatment is carried out to ABS plastic surface, the pre-treatment includes alkali cleaning oil removing and chemical roughening treatment；
(2) ABS plastic after pre-treatment carries out pre-preg in stannous chloride solution；
(3) ABS plastic after pre-preg carries out spray treatment with sensitizing solution and activating solution respectively；The sensitizing solution be containing
There are stannous chloride and salt aqueous acid；The activating solution is the aqueous solution containing silver nitrate and ammonia；
(4) electroless copper process will be carried out in the ABS plastic immersion chemical copper plating solution after spray treatment；
(5) ABS plastic after electroless copper is processed is carried out at electro-coppering successively in copper electroplating solution and nickel plating solution
Reason and electronickelling are processed.
Preferably, alkali cleaning oil removal treatment process is as follows described in step (1)：
ABS plastic is placed in 5～10 minutes in 60 DEG C of soda-wash solution, is dried up with washes of absolute alcohol after taking-up stand-by；
The soda-wash solution refer to containing sodium hydroxide 30g/L, sodium carbonate 40g/L, sodium phosphate 20g/L aqueous solution.
The chemical roughening treatment process is as follows：
ABS plastic is placed in 5～10 minutes in 60 DEG C of roughening solution, is dried up with washes of absolute alcohol after taking-up stand-by；
The roughening solution refers to the aqueous solution containing chromic anhydride 400g/L, sulphuric acid 200g/L (98wt%).
Preferably, stannous chloride solution refers to the aqueous solution that stannous chloride concentration is 10～20g/L described in step (2)；
The time of the pre-preg is 2～5 minutes.
Preferably, described in step (3) in sensitizing solution stannous chloride concentration be 10～20g/L, hydrochloric acid (37wt%) concentration
For 20～40ml/L；Silver nitrate concentration is 5～10g/L in the activating solution, and ammonia concn is 6～10ml/L.
Preferably, the number of times for carrying out spray treatment with sensitizing solution and activating solution described in step (3) is respectively 1 time and 2 times,
Using alternate spraying method, until ABS plastic surface shows uniform yellow.
Preferably, chemical copper plating solution described in step (4) refer to containing 5～10g/L of copper sulfate, sodium potassium tartrate tetrahydrate 15～
30g/L, 3～7g/L of sodium hydroxide, 0.5～1.5g/L of Nickel dichloride., the aqueous solution of formaldehyde (35wt%) 20～30ml/L；Describedization
The temperature for learning copper plating treatment is 35 DEG C, and the time is 10～20 minutes.
Preferably, copper electroplating solution described in step (5) is referred to containing 180～220g/L of copper sulfate, sulphuric acid (98wt%)
The aqueous solution of 50～70g/L；The nickel plating solution is referred to containing 240～260g/L of nickel sulfate, 30～35g/L of Nickel dichloride., boron
35～40g/L of acid, the aqueous solution of 0.1～0.5g/L of sodium lauryl sulphate.
The temperature that Copper treatment and electronickelling process are electroplated described in step (5) is 35 DEG C, and electric current density is 1～3A/
dm2, the time is 10～20 minutes.
Relative to prior art, the invention has the advantages that and beneficial effect：
(1) a kind of electro-plating method processing procedure of ABS plastic surface spraying of the invention activation is easily achieved, production cost
It is low, optimize loaded down with trivial details traditional industry flow process；
(2) metallization pretreatment process of the invention is substituted using the double kettle spraying coating process without palladium sensitizing solution and activating solution and passed
The colloid palladium activating process of system, and tradition sensitization activation immersion treatment, by foul solution, technique is loaded down with trivial details, is kept away using spray treatment
Exempt to be reached while pollution the effect that palladium provides metallic atom core that substitutes, save man-hour, reduce process costs；
(3) coat of metal even compact prepared by the present invention, good stability.
Description of the drawings
Fig. 1 is the scanning electron microscope diagram of the ABS chemical plating copper layers prepared by the step of embodiment 1 (5)；
Fig. 2 is the scanning electron microscope diagram of the ABS copper electroplating layers prepared by the step of embodiment 1 (6)；
Fig. 3 is the scanning electron microscope diagram of the ABS electroless nickel layers prepared by the step of embodiment 1 (7)；
Fig. 4 is the ABS copper/nickel dam section electron microscope picture prepared by the step of embodiment 1 (7).
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Embodiment 1
A kind of electro-plating method of the ABS plastic surface spraying activation of the present embodiment.Concrete operation step is as follows：
(1) ABS plastic alkali cleaning oil removal treatment
The preparation of soda-wash solution：Sodium hydroxide, sodium carbonate, sodium phosphate are made into into mixed solution using distilled water, it is described mixed
The concentration for closing each composition of solution is sodium hydroxide 30g/L, sodium carbonate 40g/L, sodium phosphate 20g/L.
Soda-wash solution adopts heating in water bath, and temperature is 60 DEG C, and ABS matrixes are placed in soda-wash solution, and the time is 5 minutes,
Dried up with washes of absolute alcohol after taking-up stand-by.
(2) ABS plastic chemistry roughening treatment
The preparation of roughening solution：Chromic anhydride, sulphuric acid are configured to into mixed solution using distilled water, each composition of the mixed solution
Concentration be chromic anhydride 400g/L, sulphuric acid 200g/L (98wt%).
Roughening solution adopts heating in water bath, and temperature is 60 DEG C, and the ABS matrixes of alkali cleaning oil removing are immersed in roughening solution, when
Between be 5 minutes, dried up with washes of absolute alcohol after taking-up stand-by.
(3) ABS plastic carries out pre-preg in stannous chloride solution
Configuration stannous chloride solution, concentration is 20g/L, and ABS matrixes are immersed into 2 minutes.
(4) ABS plastic carries out the sensitization without palladium and activates step spraying process process
The preparation of sensitizing solution：Stannous chloride, hydrochloric acid are made into into mixed solution using distilled water, each composition of the sensitizing solution
Concentration is stannous chloride 20g/L, hydrochloric acid 40ml/L (37wt%).
The preparation of activating solution：Silver nitrate, ammonia are made into into mixed solution using distilled water, each composition of the activating solution it is dense
Spend for silver nitrate 5g/L, ammonia 6ml/L.
Sensitizing solution is respectively charged in two watering cans with activating solution, and spraying number of times is respectively 1 time and 2 times, using alternate spray
Painting mode, until ABS surface shows uniform yellow.
(5) ABS plastic electroless copper is processed
The preparation of chemical copper plating solution：Using distilled water by copper sulfate, sodium potassium tartrate tetrahydrate, sodium hydroxide, Nickel dichloride., formaldehyde
It is made into mixed solution, the concentration of each composition of the mixed liquor is copper sulfate 7g/L, sodium potassium tartrate tetrahydrate 20g/L, Nickel dichloride. 1g/L, hydrogen
Sodium oxide 5g/L, formaldehyde 25ml/L (35wt%).
Chemical copper plating solution is immersed the ABS samples verticals after spray treatment using heating in water bath and magnetic agitation mode
In chemical plating fluid, temperature is 35 DEG C, and the time is 20 minutes.
(6) ABS plastic plating Copper treatment
The preparation of copper electroplating solution：Copper sulfate, sulphuric acid are made into into mixed solution using distilled water, each composition of the mixed liquor
Concentration be copper sulfate 200g/L, sulphuric acid 60g/L (98wt%).
ABS after electroless copper is placed in copper electroplating solution carries out electroplating processes, and temperature is 35 DEG C, and electric current density is
2A/dm2, the time is 10 minutes.
(7) ABS electronickellings are processed
The preparation of nickel plating solution：Nickel sulfate, Nickel dichloride., boric acid, sodium lauryl sulphate are made into using distilled water mixed
Solution is closed, the concentration of each composition of the mixed solution is nickel sulfate 250g/L, Nickel dichloride. 30g/L, boric acid 35g/L, dodecyl
Sodium sulfate 0.1g/L.
ABS after electro-coppering is placed in into nickel plating solution carries out electroplating processes, and temperature is 35 DEG C, and electric current density is 2A/
dm2, the time is 10 minutes.
Morphology analysis are carried out to sample using scanning electron microscope to the ABS chemical plating copper layers prepared by the present embodiment step (5),
As a result as shown in figure 1, homogeneous grain size prepared as can be seen from Figure 1, layers of copper even compact.
Morphology analysis are carried out to sample using scanning electron microscope to the ABS copper electroplating layers prepared by the present embodiment step (6), is tied
Really as shown in Fig. 2 coating surface flawless prepared as can be seen from Figure 2, high compaction.
Carry out following detection to the ABS prepared by the present embodiment step (7) to characterize：
(1) morphology analysis：Morphology analysis are carried out to sample using scanning electron microscope, as a result as shown in figure 3, coating surface light
It is bright, nickel crystallite fine uniform, plated layer compact.
(2) thickness of coating：Thickness of coating is observed by scanning electron microscope, as a result as shown in Figure 4, it is possible to find copper facing/
Nickel two layers of thickness is 5.1 μm.
Embodiment 2
A kind of electro-plating method of the ABS plastic surface spraying activation of the present embodiment.Concrete operation step is as follows：
(1) ABS plastic alkali cleaning oil removal treatment
The preparation of soda-wash solution：Sodium hydroxide, sodium carbonate, sodium phosphate are made into into mixed solution using distilled water, it is described mixed
The concentration for closing each composition of solution is sodium hydroxide 30g/L, sodium carbonate 40g/L, sodium phosphate 20g/L.
Soda-wash solution adopts heating in water bath, and temperature is 60 DEG C, and ABS matrixes are placed in soda-wash solution, and the time is 7 minutes,
Dried up with washes of absolute alcohol after taking-up stand-by.
(2) ABS plastic chemistry roughening treatment
The preparation of roughening solution：Chromic anhydride, sulphuric acid are configured to into mixed solution using distilled water, each composition of the mixed solution
Concentration be chromic anhydride 400g/L, sulphuric acid 200g/L (98wt%).
Roughening solution adopts heating in water bath, and temperature is 60 DEG C, and the ABS matrixes of alkali cleaning oil removing are immersed in roughening solution, when
Between be 10 minutes, dried up with washes of absolute alcohol after taking-up stand-by.
(3) ABS plastic carries out pre-preg in stannous chloride solution
Configuration stannous chloride solution, concentration is 10g/L, and ABS matrixes are immersed into 5 minutes.
(4) ABS plastic carries out the sensitization without palladium and activates step spraying process process
The preparation of sensitizing solution：Stannous chloride, hydrochloric acid are made into into mixed solution using distilled water, each composition of the sensitizing solution
Concentration is stannous chloride 10g/L, hydrochloric acid 20ml/L (37wt%).
The preparation of activating solution：Silver nitrate, ammonia are made into into mixed solution using distilled water, each composition of the activating solution it is dense
Spend for silver nitrate 10g/L, ammonia 10ml/L.
Sensitizing solution is respectively charged in two watering cans with activating solution, and spraying number of times is respectively 1 time and 2 times, using alternate spray
Painting mode, until ABS surface shows uniform yellow.
(5) ABS plastic electroless copper is processed
The preparation of chemical copper plating solution：Using distilled water by copper sulfate, sodium potassium tartrate tetrahydrate, sodium hydroxide, Nickel dichloride., formaldehyde
It is made into mixed solution, the concentration of each composition of the mixed liquor is copper sulfate 10g/L, sodium potassium tartrate tetrahydrate 30g/L, Nickel dichloride. 1.5g/
L, sodium hydroxide 7g/L, formaldehyde 30ml/L (35wt%).
Chemical copper plating solution is immersed the ABS samples verticals after spray treatment using heating in water bath and magnetic agitation mode
In chemical plating fluid, temperature is 35 DEG C, and the time is 10 minutes.
(6) ABS plastic plating Copper treatment
The preparation of copper electroplating solution：Copper sulfate, sulphuric acid are made into into mixed solution using distilled water, each composition of the mixed liquor
Concentration be copper sulfate 220g/L, sulphuric acid 70g/L (98wt%).
ABS after electroless copper is placed in copper electroplating solution carries out electroplating processes, and temperature is 35 DEG C, and electric current density is
3A/dm2, the time is 20 minutes.
(7) ABS electronickellings are processed
The preparation of nickel plating solution：Nickel sulfate, Nickel dichloride., boric acid, sodium lauryl sulphate are made into using distilled water mixed
Solution is closed, the concentration of each composition of the mixed solution is nickel sulfate 260g/L, Nickel dichloride. 35g/L, boric acid 40g/L, dodecyl
Sodium sulfate 0.5g/L.
ABS after electro-coppering is placed in into nickel plating solution carries out electroplating processes, and temperature is 35 DEG C, and electric current density is 3A/
dm2, the time is 20 minutes.
Embodiment 3
A kind of electro-plating method of the ABS plastic surface spraying activation of the present embodiment.Concrete operation step is as follows：
(1) ABS plastic alkali cleaning oil removal treatment
The preparation of soda-wash solution：Sodium hydroxide, sodium carbonate, sodium phosphate are made into into mixed solution using distilled water, it is described mixed
The concentration for closing each composition of solution is sodium hydroxide 30g/L, sodium carbonate 40g/L, sodium phosphate 20g/L.
Soda-wash solution adopts heating in water bath, and temperature is 60 DEG C, and ABS matrixes are placed in soda-wash solution, and the time is 10 minutes,
Dried up with washes of absolute alcohol after taking-up stand-by.
(2) ABS plastic chemistry roughening treatment
The preparation of roughening solution：Chromic anhydride, sulphuric acid are configured to into mixed solution using distilled water, each composition of the mixed solution
Concentration be chromic anhydride 400g/L, sulphuric acid 200g/L (98wt%).
Roughening solution adopts heating in water bath, and temperature is 60 DEG C, and the ABS matrixes of alkali cleaning oil removing are immersed in roughening solution, when
Between be 8 minutes, dried up with washes of absolute alcohol after taking-up stand-by.
(3) ABS plastic carries out pre-preg in stannous chloride solution
Configuration stannous chloride solution, concentration is 15g/L, and ABS matrixes are immersed into 3 minutes.
(4) ABS plastic carries out the sensitization without palladium and activates step spraying process process
The preparation of sensitizing solution：Stannous chloride, hydrochloric acid are made into into mixed solution using distilled water, each composition of the sensitizing solution
Concentration is stannous chloride 15g/L, hydrochloric acid 30ml/L (37wt%).
The preparation of activating solution：Silver nitrate, ammonia are made into into mixed solution using distilled water, each composition of the activating solution it is dense
Spend for silver nitrate 7g/L, ammonia 8ml/L.
Sensitizing solution is respectively charged in two watering cans with activating solution, and spraying number of times is respectively 1 time and 2 times, using alternate spray
Painting mode, until ABS surface shows uniform yellow.
(5) ABS plastic electroless copper is processed
The preparation of chemical copper plating solution：Using distilled water by copper sulfate, sodium potassium tartrate tetrahydrate, sodium hydroxide, Nickel dichloride., formaldehyde
Be made into mixed solution, the concentration of each composition of the mixed liquor be copper sulfate 5g/L, sodium potassium tartrate tetrahydrate 15g/L, Nickel dichloride. 0.5g/L,
Sodium hydroxide 3g/L, formaldehyde 20ml/L (35wt%).
Chemical copper plating solution is immersed the ABS samples verticals after spray treatment using heating in water bath and magnetic agitation mode
In chemical plating fluid, temperature is 35 DEG C, and the time is 10 minutes.
(6) ABS plastic plating Copper treatment
The preparation of copper electroplating solution：Copper sulfate, sulphuric acid are made into into mixed solution using distilled water, each composition of the mixed liquor
Concentration be copper sulfate 180g/L, sulphuric acid 50g/L (98wt%).
ABS after electroless copper is placed in copper electroplating solution carries out electroplating processes, and temperature is 35 DEG C, and electric current density is
1A/dm2, the time is 15 minutes.
(7) ABS electronickellings are processed
The preparation of nickel plating solution：Nickel sulfate, Nickel dichloride., boric acid, sodium lauryl sulphate are made into using distilled water mixed
Solution is closed, the concentration of each composition of the mixed solution is nickel sulfate 240g/L, Nickel dichloride. 33g/L, boric acid 37g/L, dodecyl
Sodium sulfate 0.3g/L.
ABS after electro-coppering is placed in into nickel plating solution carries out electroplating processes, and temperature is 35 DEG C, and electric current density is 1A/
dm2, the time is 15 minutes.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention not by above-described embodiment
Limit, other any spirit and the changes, modification, replacement made under principle without departing from the present invention, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (9)
1. the electro-plating method that a kind of ABS plastic surface spraying is activated, it is characterised in that comprise the steps：
(1) pre-treatment is carried out to ABS plastic surface, the pre-treatment includes alkali cleaning oil removing and chemical roughening treatment；
(2) ABS plastic after pre-treatment carries out pre-preg in stannous chloride solution；
(3) ABS plastic after pre-preg carries out spray treatment with sensitizing solution and activating solution respectively；The sensitizing solution is containing chlorine
Change stannous and salt aqueous acid；The activating solution is the aqueous solution containing silver nitrate and ammonia；
(4) electroless copper process will be carried out in the ABS plastic immersion chemical copper plating solution after spray treatment；
(5) ABS plastic after electroless copper is processed carry out in copper electroplating solution and nickel plating solution electroplating successively Copper treatment and
Electronickelling is processed.
2. the electro-plating method that a kind of ABS plastic surface spraying according to claim 1 is activated, it is characterised in that step (1)
Described in alkali cleaning oil removal treatment process it is as follows：
ABS plastic is placed in 5～10 minutes in 60 DEG C of soda-wash solution, is dried up with washes of absolute alcohol after taking-up stand-by；It is described
Soda-wash solution refer to containing sodium hydroxide 30g/L, sodium carbonate 40g/L, sodium phosphate 20g/L aqueous solution.
3. the electro-plating method that a kind of ABS plastic surface spraying according to claim 1 is activated, it is characterised in that step (1)
Described in chemical roughening treatment process it is as follows：
ABS plastic is placed in 5～10 minutes in 60 DEG C of roughening solution, is dried up with washes of absolute alcohol after taking-up stand-by；It is described
Roughening solution refers to the aqueous solution containing chromic anhydride 400g/L, sulphuric acid 200g/L.
4. the electro-plating method that a kind of ABS plastic surface spraying according to claim 1 is activated, it is characterised in that：Step (2)
Described in stannous chloride solution refer to aqueous solution that stannous chloride concentration is 10～20g/L；The time of the pre-preg be 2～
5 minutes.
5. the electro-plating method that a kind of ABS plastic surface spraying according to claim 1 is activated, it is characterised in that：Step (3)
Described in sensitizing solution stannous chloride concentration be 10～20g/L, concentration of hydrochloric acid is 20～40ml/L；Silver nitrate in the activating solution
Concentration is 5～10g/L, and ammonia concn is 6～10ml/L.
6. the electro-plating method that a kind of ABS plastic surface spraying according to claim 1 is activated, it is characterised in that：Step (3)
Described in carry out spray treatment with sensitizing solution and activating solution number of times be respectively 1 time and 2 times, using alternate spraying method, directly
Uniform yellow is shown to ABS plastic surface.
7. the electro-plating method that a kind of ABS plastic surface spraying according to claim 1 is activated, it is characterised in that：Step (4)
Described in chemical copper plating solution refer to containing 5～10g/L of copper sulfate, 15～30g/L of sodium potassium tartrate tetrahydrate, 3～7g/L of sodium hydroxide,
The aqueous solution of 0.5～1.5g/L of Nickel dichloride., 20～30ml/L of formaldehyde；The temperature that the electroless copper is processed is 35 DEG C, and the time is
10～20 minutes.
8. the electro-plating method that a kind of ABS plastic surface spraying according to claim 1 is activated, it is characterised in that：Step (5)
Described in copper electroplating solution refer to the aqueous solution containing 180～220g/L of copper sulfate, 50～70g/L of sulphuric acid；The electronickelling is molten
Liquid refer to containing 240～260g/L of nickel sulfate, 30～35g/L of Nickel dichloride., 35～40g/L of boric acid, sodium lauryl sulphate 0.1～
The aqueous solution of 0.5g/L.
9. the electro-plating method that a kind of ABS plastic surface spraying according to claim 1 is activated, it is characterised in that：Step (5)
Described in electroplate the temperature that Copper treatment and electronickelling process and be 35 DEG C, electric current density is 1～3A/dm2, the time is 10～20 points
Clock.
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| CN113718304A (en) * | 2021-09-02 | 2021-11-30 | 恩森（台州）化学有限公司 | Plastic electroplating system and electroplating method |
| CN114775009A (en) * | 2022-04-26 | 2022-07-22 | 上海瑞尔实业有限公司 | Highlight electroplating process for air inlet grille |
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