CN109594111A - A kind of automobile component graphene electro-plating method - Google Patents
A kind of automobile component graphene electro-plating method Download PDFInfo
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- CN109594111A CN109594111A CN201910050926.4A CN201910050926A CN109594111A CN 109594111 A CN109594111 A CN 109594111A CN 201910050926 A CN201910050926 A CN 201910050926A CN 109594111 A CN109594111 A CN 109594111A
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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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
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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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
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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
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
- C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
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Abstract
The invention discloses a kind of automobile component graphene electro-plating methods, one layer of graphene of coating can reduce the requirement to plating grade plastics in plastic electroplating grade before plating, ABS, PC, PA, PE, PP, PVC, PS plastic can carry out plastic electroplating production, and frosting is handled without using 380-420g/L high concentration, 65-70 DEG C of high-temperature, the prolonged carcinogenic substance Cr VI of 10-20min, reduce the difficulty of wastewater treatment, production equipment corrosion obviously slows down, prolong the service life, save the cost, technique are more environmentally-friendly.
Description
Technical field
The present invention relates to a kind of automobile component graphene electro-plating methods, belong to automobile and the field 3C.
Background technique
In recent years, with the development of the automobile industry, plastic electroplating has been widely used in the decorative electroplating of plastic part
On.There is higher requirement to plating grade plastics in original plastic electroplating, plating grade only has ABS (+PC) or PA plastics gluon,
His plastics such as polyethylene, polypropylene, polyvinyl chloride, polyethers etc. cannot be used for electricity due to that firmly cannot adhere to electroplated layer
Plating, while requiring cannot can not have feed back containing miscellaneous material in plating grade, to plastic fraction and being granulated has higher technique to want
It asks.Conductive layer is formed in electroplating technology will be by several steps such as roughening, neutralization, sensitization, activation, chemical plating, the process of roughening
The middle carcinogenic substance Cr VI for having used high concentration handles frosting, not environmentally, also there is huge harm to practitioner, gives up
Water process difficulty is big, at high cost, and electroplating device also easily corrodes, and it is fast to scrap speed.Using graphene electric plating method, it was electroplated
Journey is handled frosting without using the Cr VI of high concentration, and waste water greatly reduces to the harmfulness of environment, simultaneously
Also save Industrial Wastewater Treatment cost.It is no longer required for plating grade plastic pellet simultaneously for the plastics of plating, modeling can be used with
Expect, using feed back, the plastics of more multi items can be used for being electroplated.For the equipment of plating, due to without high concentration (380-
420g/L), the chromic acid of high-temperature (65-70 DEG C) and sulfuric acid use, and equipment corrosion obviously slows down, and service life increases, saving at
This.Therefore, graphene electro-plating method is with a wide range of applications and economic benefit.
Summary of the invention
It is an object of that present invention to provide a kind of automobile component graphene electro-plating methods, apply in plastic electroplating grade before plating
Covering one layer of graphene makes that the diversification of grade plastics, production technology more environmental protection, save the cost is electroplated.
In order to achieve the above objectives, the invention provides the following technical scheme:
1) graphene coated in plastic electroplating grade；
2) stock shelf, first then washing activates；
3) acid coppering after washing；
4) post activation is washed；
5) semi-bright nickel is plated after washing, recycles the ingredient in plating semi-bright nickel process；
6) successively the ingredient in pearl nickel process is plated in pickling, spray washing, plating pearl nickel, recycling after washing；
7) bright nickel plating after washing；
8) nickel, which is honored as a queen, recycles the ingredient that nickel seals in process；
9) wash after successively acid activation, chromium plating, recycling chromium plating process in ingredient；
10) successively hot water wash, wind, heated-air drying after washing, last blanking rack；
Further, the graphene coated temperature of the step 1) is room temperature, and graphene coated plating grade plastics kind includes
ABS,PC,PA,PE,PP,PVC,PS；
Further, the step 2) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Activation
Reagent and its usage amount are set as sulfuric acid 10-30mL/L in step, and the time is 0.5-1.5min, and temperature is room temperature.
Further, the step 3) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Plating acid
Reagent and its setting of respective usage amount in copper step are as follows: sequentially add copper sulphate 180-220g/L, sulfuric acid 60-70g/L, chloride ion
80-120mg/L, sour copper ULTRA-A 0.4-0.6mL/L, sour copper ULTRA-B0.4-0.6mL/L, sour copper ULTRA-MU 8-
12mL/L, time 37-43min, 24-30 DEG C of temperature；
Further, the step 4) is washed 3 times, and each pure water dosage is < 30us/cm, and each time 1min, temperature is room
Temperature；Reagent and its usage amount setting in activation step are as follows: sulfuric acid 10-30mL/L, time 0.5-1.5min, temperature room temperature；
Further, the step 5) is washed 2 times, and each pure water dosage is < 30us/cm, and each time 1min, temperature is room
Temperature；Plate reagent and its usage amount setting in semi-bright nickel step are as follows: sequentially add nickel sulfate 230-270g/L, nickel chloride 35-
55g/L, boric acid 30-50g/L, M-801 4-8mL/L, M-802 0.3-0.7mL/L, M-904 0.05-0.25mL/L, TOC <
5g/L, time 10-30min, 50-56 DEG C of temperature, pH value 3.8-4.2；Plating is recycled with the pure water less than 30us/cm under room temperature
Ingredient in semi-bright nickel process；
Further, the step 6) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Pickling 1
Secondary, sulfuric acid dosage 0.5-1.5mL/L, time 0.5-1.5min, temperature is room temperature；Spray washing 1 time, pure water dosage is < 30us/
Cm, time 1min, temperature are room temperature；Plate reagent and its usage amount setting in pearl nickel step are as follows: sequentially add nickel sulfate 430-
470g/L, nickel chloride 40-50g/L, boric acid 35-45g/L, walk agent A 15-21mL/L, and walk agent B 4-8mL/L, husky agent C-3
0.5-0.7mL/L, time 6-10min, 50-55 DEG C of temperature, pH value 3.8-4.2；Under room temperature with the pure water for being less than 30us/cm
Ingredient in recycling plating pearl nickel process；
Further, the step 7) is washed 2 times, and each pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；
Reagent and its usage amount setting in bright nickel plating step are as follows: sequentially add nickel sulfate 230-270g/L, nickel chloride 45-55g/L, boron
Sour 35-45g/L, A-5 (4X) 8-12mL/L, SA-1 3-5mL/L, ZD-220 0.3-0.7mL/L, TOC < 6g/L, time 10-
20min, 52-58 DEG C of temperature, pH value 4.0-4.4；
Further, reagent and its usage amount setting when the step 8) nickel seals are as follows: boric acid 35-45g/L, A-5 (4X) 2-
6mL/L, SA-1 6-10mL/L, ZD-220 0.1-0.3mL/L, M-904 0.05-0.25mL/L, MPS-300 (dispersion) 0.2-
0.4g/L, MPS-300 (subtle) 0.04-0.06g/L, time 2-6min, 52-58 DEG C of temperature, pH value 3.8-4.2；Room temperature condition
Ingredient in the lower pure water recycling nickel envelope process with less than 30us/cm；
Further, the step 9) is washed 3 times, and each pure water dosage is < 30us/cm, and temperature is room temperature；Activation step
Middle reagent and its usage amount setting are as follows: sulfuric acid 0.05-0.15g/L, time 0.5-1.5min, temperature room temperature；Chromium plating step pilot scale
Agent and its usage amount setting are as follows: chromium trichloride 100-315g/L, stabilizer 60-75g/L, HBO360-760g/L, metal Cr
20-25g/L, 25-29 Baume degrees, time 3-5min, 25-31 DEG C of temperature；It is recycled under room temperature with the pure water less than 30us/cm
Ingredient in chromium plating process；
Further, the step 10) is washed 5 times, and each pure water dosage is < 30us/cm, and temperature is room temperature；Hot water wash 1
Secondary, pure water dosage < 30us/cm, water temperature is 60 DEG C；Heated-air drying is carried out with baking oven, time 25-35min, 50-60 DEG C of temperature.
Beneficial effects of the present invention are as follows:
(1) requirement to plating grade plastics can be reduced, ABS, PC, PA, PE, PP, PVC, PS plastic can carry out plastics electricity
Plating production.
(2) without using high concentration (380-420g/L), the chromic acid of high-temperature (65-70 DEG C) and sulfuric acid to plating grade plastic table
Face is handled, and the difficulty of wastewater treatment is reduced, and production equipment corrosion obviously slows down, prolongs the service life, save the cost, warp
Ji environmental protection.
Specific embodiment
It elaborates combined with specific embodiments below to technical solution of the present invention.
Embodiment 1
1) graphene coated in plastic electroplating grade；2) stock shelf, first then washing activates；3) acid coppering after washing；4) water
Wash post activation；5) semi-bright nickel is plated after washing, recycles the ingredient in plating semi-bright nickel process；6) successively pickling, spray after washing
The ingredient in pearl nickel process is plated in washing, plating pearl nickel, recycling；7) bright nickel plating after washing；8) nickel, which is honored as a queen, recycles nickel envelope process
In ingredient；9) wash after successively acid activation, chromium plating, recycling chromium plating process in ingredient；10) successively hot water wash, wind after washing
It blows, heated-air drying, last blanking rack；
Specifically, the graphene coated temperature of step 1) be room temperature, graphene coated plating grade plastics kind include ABS,
PC, PA, PE, PP, PVC, PS, the present embodiment use PE；
Step 2) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；In activation step reagent and
Its usage amount is set as sulfuric acid 10mL/L, and the time is 0.5min, and temperature is room temperature；
Step 3) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Reagent in acid coppering step
And its respectively usage amount setting are as follows: sequentially add copper sulphate 180g/L, sulfuric acid 60g/L, chloride ion 80mg/L, sour copper ULTRA-A
0.4mL/L, sour copper ULTRA-B 0.4mL/L, sour copper ULTRA-MU 8mL/L, time 37min, 24 DEG C of temperature；
Step 4) is washed 3 times, and each pure water dosage is < 30us/cm, and each time 1min, temperature is room temperature；Activation step
Middle reagent and its usage amount setting are as follows: sulfuric acid 10mL/L, time 0.5min, temperature room temperature；
Step 5) is washed 2 times, and each pure water dosage is < 30us/cm, and each time 1min, temperature is room temperature；Plating half is bright
Reagent and its usage amount setting in nickel step are as follows: sequentially add nickel sulfate 230g/L, nickel chloride 35g/L, boric acid 30g/L, M-801
4mL/L, M-802 0.3mL/L, M-904 0.05mL/L, TOC < 5g/L, time 10min, temperature 50 C, pH value 3.8；Room temperature item
With the ingredient in the pure water recycling plating semi-bright nickel process less than 30us/cm under part；
Step 6) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Pickling 1 time, sulfuric acid dosage
0.5mL/L, time 0.5min, temperature are room temperature；Spray washing 1 time, pure water dosage is < 30us/cm, time 1min, and temperature is
Room temperature；Plate reagent and its usage amount setting in pearl nickel step are as follows: sequentially add nickel sulfate 430g/L, nickel chloride 40g/L, boric acid
35g/L, walk agent A 15mL/L, and walk agent B 4mL/L, husky agent C-3 0.5mL/L, time 6min, temperature 50 C, pH value 3.8；
Under room temperature with the ingredient in the pure water recycling plating pearl nickel process less than 30us/cm；
Step 7) is washed 2 times, and each pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Bright nickel plating step
Middle reagent and its usage amount setting are as follows: sequentially add nickel sulfate 230g/L, nickel chloride 45g/L, boric acid 35g/L, A-5 (4X) 8mL/
L, SA-1 3mL/L, ZD-220 0.3mL/L, TOC < 6g/L, time 10min, 52 DEG C, pH value 4.0；
Reagent and its usage amount setting when step 8) nickel seals are as follows: boric acid 35g/L, A-5 (4X) 2mL/L, SA-1 6mL/L,
ZD-220 0.1mL/L, M-904 0.05mL/L, MPS-300 (dispersion) 0.2g/L, MPS-300 (subtle) 0.04g/L, time
2min, 52 DEG C of temperature, pH value 3.8；Under room temperature with the ingredient in the pure water recycling nickel envelope process less than 30us/cm；
Step 9) is washed 3 times, and each pure water dosage is < 30us/cm, and temperature is room temperature；In activation step reagent and its
Usage amount setting are as follows: sulfuric acid 0.05g/L, time 0.5min, temperature room temperature；Reagent and its usage amount setting in chromium plating step are as follows:
Chromium trichloride 100g/L, stabilizer 60g/L, HBO360g/L, metal Cr20g/L, 25 Baume degrees, time 3min, 25 DEG C of temperature；
Under room temperature with the ingredient in the pure water recycling chromium plating process less than 30us/cm；
Step 10) is washed 5 times, and each pure water dosage is < 30us/cm, and temperature is room temperature；Hot water wash 1 time, pure water dosage is
< 30us/cm, water temperature are 60 DEG C；Heated-air drying, time 25min are carried out with baking oven, temperature setting is 50 DEG C.
Embodiment 2
1) graphene coated in plastic electroplating grade；2) stock shelf, first then washing activates；3) acid coppering after washing；4) water
Wash post activation；5) semi-bright nickel is plated after washing, recycles the ingredient in plating semi-bright nickel process；6) successively pickling, spray after washing
The ingredient in pearl nickel process is plated in washing, plating pearl nickel, recycling；7) bright nickel plating after washing；8) nickel, which is honored as a queen, recycles nickel envelope process
In ingredient；9) wash after successively acid activation, chromium plating, recycling chromium plating process in ingredient；10) successively hot water wash, wind after washing
It blows, heated-air drying, last blanking rack；
Specifically, the graphene coated temperature of step 1) be room temperature, graphene coated plating grade plastics kind include ABS,
PC, PA, PE, PP, PVC, PET, the present embodiment use PP；
Step 2) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；In activation step reagent and
Its usage amount is set as sulfuric acid 20mL/L, and the time is 1min, and temperature is room temperature；
Step 3) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Reagent in acid coppering step
And its respectively usage amount setting are as follows: sequentially add copper sulphate 180-220g/L, sulfuric acid 65g/L, chloride ion 100mg/L, sour copper
ULTRA-A 0.5mL/L, sour copper ULTRA-B 0.5mL/L, sour copper ULTRA-MU 10mL/L, time 40min, 27 DEG C of temperature；
Step 4) is washed 3 times, and each pure water dosage is < 30us/cm, and each time 1min, temperature is room temperature；Activation step
Middle reagent and its usage amount setting are as follows: sulfuric acid 20mL/L, time 1min, temperature room temperature；
Step 5) is washed 2 times, and each pure water dosage is < 30us/cm, and each time 1min, temperature is room temperature；Plating half is bright
Reagent and its usage amount setting in nickel step are as follows: sequentially add nickel sulfate 250g/L, nickel chloride 45g/L, boric acid 40g/L, M-801
6mL/L, M-802 0.5mL/L, M-904 0.15mL/L, TOC < 5g/L, time 20min, 53 DEG C of temperature, pH value 4.0；Room temperature item
With the ingredient in the pure water recycling plating semi-bright nickel process less than 30us/cm under part；
Step 6) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Pickling 1 time, sulfuric acid dosage
1.0mL/L, time 1.0min, temperature are room temperature；Spray washing 1 time, pure water dosage is < 30us/cm, time 1min, and temperature is
Room temperature；Plate reagent and its usage amount setting in pearl nickel step are as follows: sequentially add nickel sulfate 450g/L, nickel chloride 45g/L, boric acid
40g/L, walk agent A 18mL/L, and walk agent B 6mL/L, husky agent C-3 0.6mL/L, time 8min, and 53 DEG C of temperature, pH value 4.0；
Under room temperature with the ingredient in the pure water recycling plating pearl nickel process less than 30us/cm；
Step 7) is washed 2 times, and each pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Bright nickel plating step
Middle reagent and its usage amount setting are as follows: sequentially add nickel sulfate 250g/L, nickel chloride 50g/L, boric acid 40g/L, A-5 (4X)
10mL/L, SA-1 4mL/L, ZD-220 0.5mL/L, TOC < 6g/L, time 15min, 55 DEG C of temperature, pH value 4.2；
Reagent and its usage amount setting when step 8) nickel seals are as follows: boric acid 40g/L, A-5 (4X) 4mL/L, SA-1 8mL/L,
ZD-220 0.2mL/L, M-904 0.15mL/L, MPS-300 (dispersion) 0.3g/L, MPS-300 (subtle) 0.05g/L, time
4min, 55 DEG C of temperature, pH value 4.0；Under room temperature with the ingredient in the pure water recycling nickel envelope process less than 30us/cm；
Step 9) is washed 3 times, and each pure water dosage is < 30us/cm, and temperature is room temperature；In activation step reagent and its
Usage amount setting are as follows: sulfuric acid 0.10g/L, time 1.0min, temperature room temperature；Reagent and its usage amount setting in chromium plating step are as follows:
Chromium trichloride 205g/L, stabilizer 65g/L, HBO3410g/L, metal Cr 23g/L, 27 Baume degrees, time 4min, temperature 28
℃；Under room temperature with the ingredient in the pure water recycling chromium plating process less than 30us/cm；
Step 10) is washed 5 times, and each pure water dosage is < 30us/cm, and temperature is room temperature；Hot water wash 1 time, pure water dosage is
< 30us/cm, water temperature are 60 DEG C；Heated-air drying, time 30min are carried out with baking oven, temperature setting is 55 DEG C.
Embodiment 3
1) graphene coated in plastic electroplating grade；2) stock shelf, first then washing activates；3) acid coppering after washing；4) water
Wash post activation；5) semi-bright nickel is plated after washing, recycles the ingredient in plating semi-bright nickel process；6) successively pickling, spray after washing
The ingredient in pearl nickel process is plated in washing, plating pearl nickel, recycling；7) bright nickel plating after washing；8) nickel, which is honored as a queen, recycles nickel envelope process
In ingredient；9) wash after successively acid activation, chromium plating, recycling chromium plating process in ingredient；10) successively hot water wash, wind after washing
It blows, heated-air drying, last blanking rack；
Specifically, the graphene coated temperature of step 1) be room temperature, graphene coated plating grade plastics kind include ABS,
PC, PA, PE, PP, PVC, PET, the present embodiment use PET；
Step 2) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；In activation step reagent and
Its usage amount is set as sulfuric acid 30mL/L, and the time is 1.5min, and temperature is room temperature；
Step 3) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Reagent in acid coppering step
And its respectively usage amount setting are as follows: sequentially add copper sulphate 220g/L, sulfuric acid 70g/L, chloride ion 120mg/L, sour copper ULTRA-A
0.6mL/L, sour copper ULTRA-B 0.6mL/L, sour copper ULTRA-MU 12mL/L, time 43min, 30 DEG C of temperature；
Step 4) is washed 3 times, and each pure water dosage is < 30us/cm, and each time 1min, temperature is room temperature；Activation step
Middle reagent and its usage amount setting are as follows: sulfuric acid 30mL/L, time 1.5min, temperature room temperature；
Step 5) is washed 2 times, and each pure water dosage is < 30us/cm, and each time 1min, temperature is room temperature；Plating half is bright
Reagent and its usage amount setting in nickel step are as follows: sequentially add nickel sulfate 270g/L, nickel chloride 55g/L, boric acid 50g/L, M-801
8mL/L, M-802 0.7mL/L, M-904 0.25mL/L, TOC < 5g/L, time 30min, 56 DEG C of temperature, pH value 4.2；Room temperature item
With the ingredient in the pure water recycling plating semi-bright nickel process less than 30us/cm under part；
Step 6) is washed 1 time, and pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Pickling 1 time, sulfuric acid dosage
1.5mL/L, time 1.5min, temperature are room temperature；Spray washing 1 time, pure water dosage is < 30us/cm, time 1min, and temperature is
Room temperature；Plate reagent and its usage amount setting in pearl nickel step are as follows: sequentially add nickel sulfate 470g/L, nickel chloride 50g/L, boric acid
45g/L, walk agent A 21mL/L, and walk agent B 8mL/L, husky agent C-3 0.7mL/L, time 10min, and 55 DEG C of temperature, pH value
4.2；Under room temperature with the ingredient in the pure water recycling plating pearl nickel process less than 30us/cm；
Step 7) is washed 2 times, and each pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Bright nickel plating step
Middle reagent and its usage amount setting are as follows: sequentially add nickel sulfate 270g/L, nickel chloride 55g/L, boric acid 45g/L, A-5 (4X)
12mL/L, SA-1 5mL/L, ZD-220 0.7mL/L, TOC < 6g/L, time 20min, 58 DEG C of temperature, pH value 4.4；
Reagent and its usage amount setting when step 8) nickel seals are as follows: boric acid 45g/L, A-5 (4X) 6mL/L, SA-1 10mL/L,
ZD-220 0.3mL/L, M-904 0.25mL/L, MPS-300 (dispersion) 0.4g/L, MPS-300 (subtle) 0.06g/L, time
6min, 58 DEG C of temperature, pH value 4.2；Under room temperature with the ingredient in the pure water recycling nickel envelope process less than 30us/cm；
Step 9) is washed 3 times, and each pure water dosage is < 30us/cm, and temperature is room temperature；In activation step reagent and its
Usage amount setting are as follows: sulfuric acid 0.15g/L, time 1.5min, temperature room temperature；Reagent and its usage amount setting in chromium plating step are as follows:
Chromium trichloride 315g/L, stabilizer 75g/L, HBO3760g/L, metal Cr 25g/L, 29 Baume degrees, time 5min, temperature 31
℃；Under room temperature with the ingredient in the pure water recycling chromium plating process less than 30us/cm；
Step 10) is washed 5 times, and each pure water dosage is < 30us/cm, and temperature is room temperature；Hot water wash 1 time, pure water dosage is
< 30us/cm, water temperature are 60 DEG C；Heated-air drying, time 35min are carried out with baking oven, temperature setting is 60 DEG C.
Before plating in plastic electroplating grade coat one layer of graphene can reduce to plating grade plastics requirement, ABS, PC,
PA, PE, PP, PVC, PS plastic can carry out plastic electroplating production, and 380-420g/L high is not used during plating
Concentration, the chromic acid of 65-70 DEG C of high-temperature and sulfuric acid handle plating grade frosting, reduce the difficulty of wastewater treatment,
Production equipment corrosion obviously slows down, and prolongs the service life, save the cost, and technique is more environmentally-friendly.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (10)
1. a kind of automobile component graphene electro-plating method, it is characterised in that: including successively carrying out following steps:
1) graphene coated in plastic electroplating grade；
2) stock shelf, first then washing activates；
3) acid coppering after washing；
4) post activation is washed；
5) plating semi-bright nickel, recycling plate the ingredient in semi-bright nickel process after washing；
6) successively the ingredient in pearl nickel process is plated in pickling, spray washing, plating pearl nickel, recycling after washing；
7) bright nickel plating after washing；
8) nickel, which is honored as a queen, recycles the ingredient that nickel seals in process；
9) wash after successively acid activation, chromium plating, recycling chromium plating process in ingredient；
10) successively hot water wash, wind, heated-air drying after washing, last blanking rack.
2. automobile component graphene electro-plating method according to claim 1, it is characterised in that: the step 1) is graphene coated
Temperature is room temperature, and graphene coated plating grade plastics kind includes ABS, PC, PA, PE, PP, PVC, PS.
3. automobile component graphene electro-plating method according to claim 1, it is characterised in that: the step 2) 4) is washed to
1 time few, pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Reagent and its usage amount are set as in activation step
Sulfuric acid 10-30mL/L, time are 0.5-1.5min, and temperature is room temperature.
4. automobile component graphene electro-plating method according to claim 1, it is characterised in that: the step 3) is washed 1 time, pure
Water consumption is < 30us/cm, and time 1min, temperature is room temperature；Reagent and its setting of respective usage amount in acid coppering step are as follows: according to
Secondary addition copper sulphate 180-220g/L, sulfuric acid 60-70g/L, chloride ion 80-120mg/L, sour copper ULTRA-A 0.4-0.6mL/L,
Sour copper ULTRA-B 0.4-0.6mL/L, sour copper ULTRA-MU 8-12mL/L, time 37-43min, 24-30 DEG C of temperature.
5. automobile component graphene electro-plating method according to claim 1, it is characterised in that: described step 5) washing 2 times, often
Secondary pure water dosage is < 30us/cm, and each time 1min, temperature is room temperature；Reagent and its usage amount are set in plating semi-bright nickel step
It is set to: sequentially adding nickel sulfate 230-270g/L, nickel chloride 35-55g/L, boric acid 30-50g/L, M-801 4-8mL/L, M-802
0.3-0.7mL/L, M-904 0.05-0.25mL/L, TOC < 5g/L, time 10-30min, 50-56 DEG C of temperature, pH value 3.8-
4.2；Under room temperature with the ingredient in the pure water recycling plating semi-bright nickel process less than 30us/cm.
6. automobile component graphene electro-plating method according to claim 1, it is characterised in that: the step 6) is washed 1 time, pure
Water consumption is < 30us/cm, and time 1min, temperature is room temperature；Pickling 1 time, sulfuric acid dosage 0.5-1.5mL/L, time 0.5-
1.5min, temperature are room temperature；Spray washing 1 time, pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Plate pearl nickel
Reagent and its usage amount setting in step are as follows: sequentially add nickel sulfate 430-470g/L, nickel chloride 40-50g/L, boric acid 35-
45g/L, walk agent A 15-21mL/L, and walk agent B 4-8mL/L, husky agent C-3 0.5-0.7mL/L, time 6-10min, temperature
50-55 DEG C, pH value 3.8-4.2；Under room temperature with the ingredient in the pure water recycling plating pearl nickel process less than 30us/cm.
7. automobile component graphene electro-plating method according to claim 1, it is characterised in that: described step 7) washing 2 times, often
Secondary pure water dosage is < 30us/cm, and time 1min, temperature is room temperature；Reagent and its usage amount setting in bright nickel plating step are as follows:
Sequentially add nickel sulfate 230-270g/L, nickel chloride 45-55g/L, boric acid 35-45g/L, A-5 (4X) 8-12mL/L, SA-1 3-
5mL/L, ZD-220 0.3-0.7mL/L, TOC < 6g/L, time 10-20min, 52-58 DEG C of temperature, pH value 4.0-4.4.
8. automobile component graphene electro-plating method according to claim 1, it is characterised in that: reagent when the step 8) nickel seals
And its usage amount setting are as follows: boric acid 35-45g/L, A-5 (4X) 2-6mL/L, SA-1 6-10mL/L, ZD-220 0.1-0.3mL/
L, M-904 0.05-0.25mL/L, MPS-300 (dispersion) 0.2-0.4g/L, MPS-300 (subtle) 0.04-0.06g/L, time
2-6min, 52-58 DEG C of temperature, pH value 3.8-4.2；Under room temperature in the pure water recycling nickel envelope process less than 30us/cm
Ingredient.
9. automobile component graphene electro-plating method according to claim 1, it is characterised in that: described step 9) washing 3 times, often
Secondary pure water dosage is < 30us/cm, and temperature is room temperature；Reagent and its usage amount setting in activation step are as follows: sulfuric acid 0.05-
0.15g/L, time 0.5-1.5min, temperature room temperature；Reagent and its usage amount setting in chromium plating step are as follows: chromium trichloride 100-
315g/L, stabilizer 60-75g/L, HBO360-760g/L, metal Cr 20-25g/L, 25-29 Baume degrees, time 3-5min,
25-31 DEG C of temperature；Under room temperature with the ingredient in the pure water recycling chromium plating process less than 30us/cm.
10. automobile component graphene electro-plating method according to claim 1, it is characterised in that: the step 10) is washed 5 times,
Each pure water dosage is < 30us/cm, and temperature is room temperature；Hot water wash 1 time, pure water dosage is < 30us/cm, and water temperature is 60 DEG C；With
Baking oven carries out heated-air drying, time 25-35min, and temperature setting is 50-60 DEG C.
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