CN106319446A - Preparation method for decorative film bottoming vacuum coating - Google Patents
Preparation method for decorative film bottoming vacuum coating Download PDFInfo
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- CN106319446A CN106319446A CN201610913499.4A CN201610913499A CN106319446A CN 106319446 A CN106319446 A CN 106319446A CN 201610913499 A CN201610913499 A CN 201610913499A CN 106319446 A CN106319446 A CN 106319446A
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- bottoming
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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
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/04—Electrophoretic coating characterised by the process with organic material
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/021—Cleaning or etching treatments
- C23C14/022—Cleaning or etching treatments by means of bombardment with energetic particles or radiation
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
- C23C14/205—Metallic material, boron or silicon on organic substrates by cathodic sputtering
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
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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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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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
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/22—Servicing or operating apparatus or multistep processes
Abstract
The invention discloses a preparation method for a decorative film bottoming vacuum coating. The preparation method comprises the steps that a film bottoming workpiece is placed in a vacuum chamber and is subjected to plasma irradiation treatment; after the to-be-coated workpiece is subjected to plasma irradiation, vacuum of the vacuum chamber is recovered to 3x10<-4> Pa; after magnetron sputtering coating, vacuum of the vacuum chamber is recovered to 3x10<-4> Pa or Ar gas is led in, vacuum coated metal film layer with good bonding strength is obtained after the workpiece is cooled; and secondary electrophoresis is conducted on the vacuum coated layer through a cathode electrophoresis method to prepare colorful finish paint with protective and isolation functions. The binding force of the metal coating prepared through the preparation method and a film bottoming layer is improved substantially, the requirements of decoration and corrosion resistance of hardware, digital products and jewellery can all be met by the tests on adhesive force, constant temperature storage, variable temperature storage, salt spray tests and other properties, the technological bottlenecks that a composite decorative film is liable to pulverization and peeling are broken through, and considerable high additional value is achieved.
Description
Technical field
The invention belongs to electrophoresis and vacuum plating composite coating technology field, particularly relate to a kind of decoration film bottoming true
The preparation method of empty plated film.
Background technology
In prior art, it is thus achieved that the method for metal-like decorative surface coating mainly has tradition plating and vacuum coating side
Method.Conventional electroplating method produces during decorative metals coating, produce a large amount of industrial wastewater, heavy metal, severe toxicity cyanide,
The harmful substances such as soda acid, cause injury greatly to human body and natural environment.Vacuum Deposition have cleaning produce, zero-emission excellent
Point.Realize the today day by day strengthened in energy-conserving and environment-protective, this technology is at electronic devices and components, pcb board, instrument and meter, automobile, motor
Packaging and the furnishing fields of the industries such as car, mobile phone, household electrical appliances, lamp decoration, clock and watch, glasses, ornaments, lockset, Hardware fitting have obtained extensively
General application.Owing to the thickness of vacuum-coating is typically not greater than 10 microns, when plating piece surface roughness is bigger, vacuum coating work
Skill can not obtain the coat of metal having good decorative effect.For solving this problem, it will usually plating piece to be carried out coating problems (electricity
Swimming, spraying bottoming), utilize resin-coated levelling process, form smooth, plentiful, the prime coat of high gloss on plating piece surface,
Then coating is carried out decorative metals vacuum coating, thus obtains the composite deposite of strong metal-like.Ornamental Composite Coatings
Layer technology can realize producing tradition plating the replacement completely of decorative metals coating, but there is also more weak the asking of film-substrate cohesion
Inscribe urgently to be resolved hurrily；For overcoming this problem, both at home and abroad Vacuum Deposition prime coat coating strict screening and optimization are carried out, nowadays
Mostly using the ultraviolet-curing paint of special formulation in technique for vacuum coating, the core technology of this coating is still only lacked at present
Shuo Ji company grasps, and exploitation meets its vacuum coating technology adapting to other ultraviolet-curing paint, breaks through this technology bottle
Neck substitutes the process of tradition plating by promoting vacuum coating greatly in decoration plating field.Resistance in view of ultraviolet-curing paint
Warm nature is poor, can only carry out vacuum coating at a lower temperature, and the Vacuum Deposition method that can use has evaporation coating, magnetron sputtering
The methods such as film, ion beam sputtering deposition, multi-arc ion coating.The patented technology overwhelming majority reported all uses evaporation coating or magnetic
Control sputtering technology carries out Vacuum Deposition to the plating piece after film.
The metallic diaphragm that vacuum vapor plating or magnetron sputtering are formed is poor with priming paint adhesion, is in use susceptible to
The efflorescence of vacuum coating, peeling.Although multi-arc ion coating cost of investment is low, but the method is conductive to plating piece surface
Requirement, also limit it in the plating having film bottoming plating piece surface.
Summary of the invention
It is an object of the invention to provide a kind of decoration by the preparation method of film bottoming vacuum coating, it is intended to solve decoration
Property composite coating use during the easy efflorescence of vacuum-coating, peeling, the problem of poor bonding strength.
The present invention is achieved in that a kind of decoration with the preparation method of film bottoming vacuum coating, the painting of described decoration
The preparation method of film bottoming vacuum coating comprises the following steps:
Step one, film bottoming workpiece is placed in vacuum chamber, using plasma radiation treatment；
Step 2, workpiece to be plated, after plasma radiation, recovers vacuum chamber vacuum to 3 × 10-4Pa, uses target to have
Aluminum, titanium, zinc, chromium or its alloy；
Step 3, after completing magnetron sputtering plating, recovers vacuum chamber vacuum to 3 × 10-4Pa or be passed through Ar gas, treats that workpiece is cold
The most i.e. prepare the vacuum metal film plating layer that bond strength is good；
Step 4, is again with ability cathode electrophoresis method and carries out secondary electrophoresis on vacuum-coating, prepare color various also
There is the finish paint of protection and buffer action.
Further, described film bottoming workpiece need before being placed in vacuum chamber forming metal surface of the work through oil removing, rust cleaning,
Washing processes, it is thus achieved that the workpiece to be plated of ability cathode electrophoresis.
Further, described using plasma radiation treatment, gases used for Ar/O2Gaseous mixture, flow 50～
400SCCM, volume ratio is 95:5～50:50, and vacuum is 1～5 × 102Pa, plasma radiation power is not higher than 1 kilowatt,
Exposure time 10～15 minutes.
Further, described vacuum is 0.5～5Pa, and workpiece gas is high-purity Ar gas, gas flow 60～300SCCM, arteries and veins
Rushing supply frequency 10～18kHz, dutycycle 30～50%, power is less than 9 kilowatts, target-substrate distance 5～8cm, and plating time is less than 10
Minute, thickness is less than 2 microns.
Further, the preparation method of described decoration film bottoming vacuum coating comprises the following steps:
(1) forming metal surface of the work carries out mechanical type polishing, removes the rust stain on surface, mildew, respectively at degreaser and
Ultrasonic cleaning 10 minutes in pure water；
(2) use thermal-curable acrylic ability cathode electrophoresis technique that workpiece carries out bottoming film, acrylic acid synthetic resin basis
Methyl methacrylate 15%～30% dimethylaminoethyl methacrylate 20%～30%, butyl methacrylate in formula
10%～15%, butyl acrylate 20%～30%, 2-2-hydroxyethyl methacry-late 10%～15%, propylene in electrophoretic paint
Acid synthetic resin 40%～60%, blocked polyisocyanate firming agent 15～20%, alcohol ether cosolvent 15%～20%, azo two
Isopropyl cyanide initiator 3%～6%, the nertralizer such as lactic acid, glacial acetic acid 5%～10%, deionized water 10～15%；During plating
The pH value 4.5 of electrophoresis liquid, its electrical conductivity 600 μ s/cm, temperature 25 DEG C, voltage 70V, electrophoresis time 90s, it is thus achieved that thickness is 20 μm
Prime coat；
(3) workpiece completing bottoming process is carried out pure water cleaning showers, in the environment of temperature is 160 DEG C, toasts 30 points
Clock, completes dry, the curing process of surface of the work under-coating varnish；
(4) workpiece is placed in base vacuum and is not less than 3 × 10-4In the vacuum chamber of Pa, in vacuum chamber, it is passed through Ar/O2Mixing
Gas, Ar/O2Volume ratio is 95:5, and gas flow is 200SCCM, and regulation vacuum is plating to 100Pa, uses DC glow method to produce
Plasma, applies voltage 1500V, workpiece is carried out plasma radiation；
(5), after plasma radiation terminates, vacuum degree in vacuum chamber is recovered to 3 × 10-4Pa, is then passed through height in vacuum chamber
Pure Ar gas, flow is 60SCCM, and regulation vacuum, to 2Pa, carries out pulsed magnetron sputtering and aluminizes, and aluminum target purity 99.99%, target arrives
Surface of the work air line distance 5cm, power 3 kilowatts, frequency 15kHz, dutycycle 30%, plating 5 minutes；
(6), after magnetron sputtering terminates, vacuum chamber vacuum is recovered to 3 × 10-4Pa, opens after workpiece temperature is reduced to room temperature
Vacuum chamber takes out workpiece；
(7) workpiece is carried out secondary cathode electrophoresis, use electrophoresis groove liquid that is identical with electrophoresis and that add colour mill base；
(8) workpiece is carried out cleaning showers, toast 30 minutes under 160 degrees Celsius, finished product can be obtained.
Further, the preparation method of described decoration film bottoming vacuum coating comprises the following steps:
(1) forming metal surface of the work carries out mechanical type polishing, removes the rust stain on surface, mildew, respectively at degreaser and
Ultrasonic cleaning 10 minutes in pure water；
(2) using UV curing acrylic ability cathode electrophoresis technique, acrylic acid synthetic resin basic components is N-methyl diethanol
Amine 10%～20%, pentaerythritol triacrylate 20%～30%, methacrylic acid-beta-hydroxy ethyl ester 15%～25%, propylene
Acid butyl ester 15%～30%, electrophoretic paint composition: acrylic acid synthetic resin 40%～60%, close isophorone diisocyanate solid
Agent 15%～20%, ethyl acetate cosolvent 15%～20%, 1173 light triggers 2%～6%, lactic acid neutralization agent 2%～
7%, polyacrylate levelling agent 0.01%～1%, deionized water 10～15%.The pH value 4 of electrophoresis liquid during plating, its
Electrical conductivity 300 μ s/cm, temperature 30 DEG C, voltage 60V, electrophoresis time 30s, it is thus achieved that thickness is the prime coat of 15 μm；
(3) workpiece completing bottoming process being carried out pure water cleaning showers, dry solidification technique is 70～80 DEG C of preliminary dryings
20min, then uses 3500mj/cm2High-pressure mercury light irradiation 2min, has i.e. solidified；
(4) workpiece is placed in base vacuum and is not less than 3 × 10-4In the vacuum chamber of Pa, in vacuum chamber, it is passed through Ar/O2Mixing
Gas, Ar/O2Volume ratio is 95:5, and gas flow is 200SCCM, and regulation vacuum is plating to 100Pa, uses DC glow method to produce
Plasma, applies voltage 1500V, workpiece is carried out plasma radiation；
(5), after plasma radiation terminates, vacuum degree in vacuum chamber is recovered to 3 × 10-4Pa, is then passed through height in vacuum chamber
Pure Ar gas, flow is 60SCCM, and regulation vacuum, to 2Pa, carries out pulsed magnetron sputtering and aluminizes, and aluminum target purity 99.99%, target arrives
Surface of the work air line distance 5cm, power 3 kilowatts, frequency 15kHz, dutycycle 30%, plating 5 minutes；
(6), after magnetron sputtering terminates, vacuum chamber vacuum is recovered to 3 × 10-4Pa, opens after workpiece temperature is reduced to room temperature
Vacuum chamber takes out workpiece；
(7) workpiece is carried out secondary cathode electrophoresis, use electrophoresis groove liquid that is identical with electrophoresis and that add colour mill base；
(8) workpiece is carried out cleaning showers, toast 30 minutes under 160 degrees Celsius, finished product can be obtained.
Further, the preparation method of described decoration film bottoming vacuum coating comprises the following steps:
(1) forming metal surface of the work carries out mechanical type polishing, removes the rust stain on surface, mildew, respectively at degreaser and
Ultrasonic cleaning 10 minutes in pure water；
(2) use thermal-curable acrylic ability cathode electrophoresis technique that workpiece carries out bottoming film, acrylic acid synthetic resin basis
Methyl methacrylate 15%～30% dimethylaminoethyl methacrylate 20%～30%, butyl methacrylate in formula
10%～15%, butyl acrylate 20%～30%, 2-2-hydroxyethyl methacry-late 10%～15%, propylene in electrophoretic paint
Acid synthetic resin 40%～60%, blocked polyisocyanate firming agent 15～20%, alcohol ether cosolvent 15%～20%, azo two
Isopropyl cyanide initiator 3%～6%, the nertralizer such as lactic acid, glacial acetic acid 5%～10%, deionized water 10～15%；During plating
The pH value 4.5 of electrophoresis liquid, its electrical conductivity 600 μ s/cm, temperature 25 DEG C, voltage 70V, electrophoresis time 90s, it is thus achieved that thickness is 20 μm
Prime coat；
(3) workpiece completing bottoming process is carried out pure water cleaning showers, in the environment of temperature is 160 DEG C, toasts 30 points
Clock, completes dry, the solidification workpiece of surface of the work under-coating varnish；
(4) workpiece is placed in base vacuum and is not less than 3 × 10-4In the vacuum chamber of Pa, in vacuum chamber, it is passed through Ar/O2Mixing
Gas, Ar/O2Volume ratio is 60: 40, and gas flow is 60SCCM, and regulation vacuum is plating to 100Pa, uses DC glow method to produce
Plasma, applies voltage 1800V, workpiece is carried out plasma radiation；
(5), after plasma radiation terminates, vacuum degree in vacuum chamber is recovered to 3 × 10-4Pa, is then passed through height in vacuum chamber
Pure Ar gas, flow is 60SCCM, and regulation vacuum, to 5Pa, carries out pulsed magnetron sputtering and aluminizes, and aluminum target purity 99.99%, target arrives
Surface of the work air line distance 5cm, power 2 kilowatts, frequency 18kHz, dutycycle 60%, plating 5 minutes；
(6), after magnetron sputtering terminates, vacuum chamber vacuum is recovered to 3 × 10-4Pa, opens after workpiece temperature is reduced to room temperature
Vacuum chamber takes out workpiece；
(7) workpiece is carried out secondary cathode electrophoresis, use electrophoresis groove liquid that is identical with electrophoresis and that add colour mill base；
(8) workpiece is carried out cleaning showers, toast 30 minutes under 160 degrees Celsius, finished product can be obtained.
Another object of the present invention is to provide a kind of preparation method comprising described decoration film bottoming vacuum coating
Electronic devices and components electro-plating method.
Another object of the present invention is to provide a kind of preparation method comprising described decoration film bottoming vacuum coating
Automobile electro-plating method.
Another object of the present invention is to provide a kind of preparation method comprising described decoration film bottoming vacuum coating
Mobile phone electro-plating method.
The preparation method of the decoration film bottoming vacuum coating that the present invention provides, and existing water power plating decorating film technology phase
Ratio, anaphoretic priming, plasma radiation, vacuum coating, ability cathode electrophoresis protective topcoat are organically combined by the present invention,
Realizing the metallization decorative effect of surface of the work, product surface metal-like is strong, corrosion resistance is strong；There is production overall process without dirt
Dye, zero-emission, the feature of energy-conserving and environment-protective, use UV solidification cathode electrodip painting to do the end, finish paint, solidification temperature is low, stock utilization
Can reach more than 95%, consumption of organic solvent is few, there is no VOC emission, and electrophoresis cleans and uses ultrafiltration, reverse osmosis dress
Putting, electrophoresis resin can clean waste water can be back to use other matting after simple process, very with fully recovering to electrophoresis tank
Dummy plating does not use water, does not has waste water, waste gas, dust to produce, and is truly realized production zero-emission, energy-saving material-saving, can replace completely
Generation tradition high pollution, the water power plating decorating film technology of high energy consumption.The coat of metal using the present invention to prepare is tied with film prime coat
Making a concerted effort to be largely increased, the test in the performances such as adhesive force, storage at a constant temperature, alternating temperature storage, salt spray test all can meet five
Gold, digital product, jewelry decoration with against corrosion, batch products hundred lattice method detection composite coating adhesion the most qualified, hardness survey
Examination reaches 3H, and salt spray test reaches more than 400H, and resistance to water, solvent resistance are excellent, breaches composite vacuum decoration film coating
Easily efflorescence, the technical bottleneck of peeling, electroplates the high pollution of a large amount of toxic wastewaters, can meet again metal finishing without tradition
Appearance requirement, and precious metal material, cost for wastewater treatment can be saved, there is considerable high added value.
Accompanying drawing explanation
Fig. 1 is the preparation method flow chart of the decoration film bottoming vacuum coating that the embodiment of the present invention provides.
Fig. 2 is the sample sectional view of the preparation that the embodiment of the present invention provides；
In figure: 1, shaping workpiece；2, electrophoresis bottoming enamelled coating；3, vacuum metallized layer；4, electrophoresis protective topcoat layer.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, to the present invention
It is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to
Limit the present invention.
The present invention is directed to the easy efflorescence of vacuum-coating during ornamental composite coating uses, peeling, the asking of poor bonding strength
Topic, it is provided that a kind of simple, pollution-free, be suitable for multiple film prime coat and be effectively improved vacuum-coating and be combined with prime coat
The vacuum coating method of intensity, thus strong metal-like, composite coating wear-resistant, long-life is prepared on plating piece surface, can
For high-end finish field.
Below in conjunction with the accompanying drawings the application principle of the present invention is explained in detail.
As it is shown in figure 1, the preparation method of the decoration film bottoming vacuum coating of the embodiment of the present invention comprises the following steps:
S101: forming metal surface of the work processes through oil removing, rust and washing, it is thus achieved that be suitable for the workpiece to be plated of ability cathode electrophoresis；
S102: use thermal-curable acrylic ability cathode electrophoresis technique or UV curing acrylic ability cathode electrophoresis technique to workpiece to be plated
Carry out bottoming film, base coat thickness 10～20 microns, be completely covered by surface of the work sand holes to be plated, pin hole and slight wiping, scratch trace,
Obtain smooth finish surface smooth, smooth, that pliability is good；Plating piece, after pure water is washed, uses corresponding curing mode to carry out solidifying, doing
Dry, operating process prevent plating piece surface hand perspiration, sewage, oil etc. from polluting；
S103: film bottoming workpiece is placed in vacuum chamber, using plasma radiation treatment, gases used for Ar/O2
Gaseous mixture, flow 50～400SCCM, volume ratio is 95: 5～50: 50, and vacuum is 1～5 × 102Pa, plasma radiation merit
Rate is not higher than 1 kilowatt, exposure time 10 to 15 minutes；
S104: workpiece to be plated, after plasma radiation, recovers vacuum chamber vacuum to 3 × 10-4Pa, is not destroying vacuum
In the case of carry out pulsed magnetron sputtering metal lining film, the target of employing has aluminum, titanium, zinc, chromium or its alloy, and vacuum is 0.5
～5Pa, workpiece gas is high-purity Ar gas, gas flow 60～300SCCM, pulse power frequency 10～18kHz, dutycycle 30～
50%, power is less than 9 kilowatts, target-substrate distance 5～8cm, and plating time is less than 10 minutes, and thickness is less than 2 microns；
After S105: workpiece completes magnetron sputtering plating technological process, recover vacuum chamber vacuum to 3 × 10-4Pa or be passed through Ar
Gas, i.e. prepares, after workpiece cools down, the vacuum metal film plating layer that bond strength is good；
S106: be again with ability cathode electrophoresis method and carry out secondary electrophoresis on vacuum-coating, prepare color various and have
The protected finish paint with buffer action.
Below in conjunction with specific embodiment, the application principle of the present invention is further described.
Embodiment 1
(1) forming metal surface of the work carries out simple mechanical type polishing, removes surface rust that may be present stain, mildew, point
Not ultrasonic cleaning 10 minutes in degreaser and pure water, reach to remove surface of the work greasy dirt.Pure water used requires that electrical conductivity is less than 5
μs/cm。
(2) use thermal-curable acrylic ability cathode electrophoresis technique that workpiece carries out bottoming film, acrylic acid synthetic resin basis
Methyl methacrylate 15%～30% dimethylaminoethyl methacrylate 20%～30%, butyl methacrylate in formula
10%～15%, butyl acrylate 20%～30%, 2-2-hydroxyethyl methacry-late 10%～15%, propylene in electrophoretic paint
Acid synthetic resin 40%～60%, blocked polyisocyanate firming agent 15～20%, alcohol ether cosolvent 15%～20%, azo two
Isopropyl cyanide initiator 3%～6%, the nertralizer such as lactic acid, glacial acetic acid 5%～10%, deionized water 10～15%；During plating
The pH value 4.5 of electrophoresis liquid, its electrical conductivity 600 μ s/cm, temperature 25 DEG C, voltage 70V, electrophoresis time 90s, it is thus achieved that thickness is 20 μm
Prime coat, as shown in accompanying drawing 22.
(3) workpiece completing bottoming process is carried out pure water cleaning showers, in the environment of temperature is 160 DEG C, toasts 30 points
Clock, completes dry, the curing process of surface of the work under-coating varnish.
(4) workpiece is placed in base vacuum and is not less than 3 × 10-4In the vacuum chamber of Pa, in vacuum chamber, it is passed through Ar/O2Mixing
Gas, Ar/O2Volume ratio is 95:5, and gas flow is 200SCCM, and regulation vacuum is plating to 100Pa, uses DC glow method to produce
Plasma, applies voltage 1500V, workpiece is carried out plasma radiation.By the workpiece prime coat of plasma radiation
Brightness will not change, but due to the plasma grafting effect to material surface, introduces a considerable number of oxygen-containing sense
Group, can obviously improve the adhesion of follow-up vacuum metal film plating and prime coat, and does not affect the bright degree of metallic diaphragm and lead
Electrically.
(5), after plasma radiation terminates, vacuum degree in vacuum chamber is recovered to 3 × 10-4Pa, is then passed through height in vacuum chamber
Pure Ar gas, flow is 60SCCM, and regulation vacuum, to 2Pa, carries out pulsed magnetron sputtering and aluminizes, and aluminum target purity 99.99%, target arrives
Surface of the work air line distance 5cm, power 3 kilowatts, frequency 15kHz, dutycycle 30%, plating 5 minutes, prepared metal
Film layer is as shown in accompanying drawing 23.
(6), after magnetron sputtering terminates, vacuum chamber vacuum is recovered to 3 × 10-4Pa, ability after workpiece temperature is reduced to room temperature
Open vacuum chamber and take out workpiece, prevent the coat of metal from aoxidizing metallic luster and the impact of electric conductivity thereof.Now workpiece has
Strong metal-like.
(7) workpiece is carried out secondary cathode electrophoresis, use colored mill base appropriate with an electrophoresis same recipe interpolation
Electrophoresis groove liquid, plating technology is identical, forms the protection of gold, yellow, purple, blueness or antique color at metal coating surface
Layer, surface of the work composite coating bright color, metal-like is obvious, has splendid decorative effect.Guarantor prepared by secondary electrophoresis
Mask paint is as shown in accompanying drawing 24.
(8) workpiece is carried out cleaning showers, toast 30 minutes under 160 degrees Celsius, finished product can be obtained.
Sample prepared by the present embodiment, according to ASTM F2357-04 testing standard, carries out RCA paper tape under 175 grammes per square metre power
Wear-resisting test, reaches 69 circles, meets decoration composite coating inter-layer bonding force requirement.
Embodiment 2
The present embodiment is from the difference of embodiment 1: surface of the work bottoming coating process and dry solidification technique are different.
Using UV curing acrylic ability cathode electrophoresis technique in the present embodiment, acrylic acid synthetic resin basic components is N-methyl
Diethanolamine 10%～20%, pentaerythritol triacrylate 20%～30%, methacrylic acid-beta-hydroxy ethyl ester 15%～
25%, butyl acrylate 15%～30%, electrophoretic paint composition: acrylic acid synthetic resin 40%～60%, close isophorone two
Isocyanate curing agent 15%～20%, ethyl acetate cosolvent 15%～20%, 1173 light triggers 2%～6%, in lactic acid
Mediating recipe 2%～7%, polyacrylate levelling agent 0.01%～1%, deionized water 10～15%.Electrophoresis liquid during plating
PH value 4, its electrical conductivity 300 μ s/cm, temperature 30 DEG C, voltage 60V, electrophoresis time 30s, it is thus achieved that thickness is the prime coat of 15 μm.
Dry solidification technique is 70～80 DEG C of preliminary drying 20min, then uses 3500mj/cm2High-pressure mercury light irradiation 2min,
I.e. solidify.
Sample prepared by the present embodiment, according to ASTM F2357-04 testing standard, carries out RCA paper tape under 175 grammes per square metre power
Wear-resisting test, reaches 75 circles, meets decoration composite coating inter-layer bonding force requirement.
Embodiment 1 and 2 sample tests shows, uses the method for vacuum coating involved in the present invention to be not only suitable for UV solid
Change acrylic CED paint and be also applied for thermal-curable acrylic cathode electrodip painting.
Embodiment 3
With the difference of embodiment 1, the present embodiment is that Vacuum Deposition coating process parameter is transferred.
Ar/O in the present embodiment2Volume ratio is 60: 40, and gas flow is 60SCCM, and regulation vacuum is plating to 100Pa, uses
DC glow method produces plasma, applies voltage 1800V, workpiece is carried out plasma radiation.By plasma spoke
According to the bright degree of workpiece prime coat unchanged.
After plasma radiation terminates, recover vacuum degree in vacuum chamber to 3 × 10-4Pa, is then passed through high-purity in vacuum chamber
Ar gas, flow is 60SCCM, and regulation vacuum, to 5Pa, carries out pulsed magnetron sputtering and aluminizes, and aluminum target purity 99.99%, target is to work
Part surface air line distance 5cm, power 2 kilowatts, frequency 18kHz, dutycycle 60%, plating 5 minutes.
Sample prepared by the present embodiment, according to ASTM F2357-04 testing standard, carries out RCA paper tape under 175 grammes per square metre power
Wear-resisting test, reaches 83 circles, meets decoration composite coating inter-layer bonding force requirement.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (10)
1. decorate by the preparation method of film bottoming vacuum coating for one kind, it is characterised in that described decoration film bottoming vacuum
The preparation method of plated film comprises the following steps:
Step one, film bottoming workpiece is placed in vacuum chamber, using plasma radiation treatment；
Step 2, workpiece to be plated, after plasma radiation, recovers vacuum chamber vacuum to 3 × 10-4Pa；
Step 3, after completing magnetron sputtering plating, recovers vacuum chamber vacuum to 3 × 10-4Pa or be passed through Ar gas, after workpiece cools down
I.e. prepare the vacuum metal film plating layer that bond strength is good；
Step 4, is again with ability cathode electrophoresis method and carries out secondary electrophoresis on vacuum-coating, prepare color various and have
Protection and the finish paint of buffer action.
2. the decoration preparation method of film bottoming vacuum coating as claimed in claim 1, it is characterised in that described film is beaten
Basic skill or training's part needs forming metal surface of the work to process through oil removing, rust and washing before being placed in vacuum chamber, it is thus achieved that treating of ability cathode electrophoresis
Plating workpiece.
3. the decoration preparation method of film bottoming vacuum coating as claimed in claim 1, it is characterised in that described employing etc.
Gas ions radiation treatment, gases used for Ar/O2Gaseous mixture, flow 50～400SCCM, volume ratio is 95:5～50:50, vacuum
Degree is 1～5 × 102Pa, plasma radiation power is not higher than 1 kilowatt, exposure time 10～15 minutes.
4. the decoration preparation method of film bottoming vacuum coating as claimed in claim 1, it is characterised in that described vacuum
Being 0.5～5Pa, workpiece gas is high-purity Ar gas, gas flow 60～300SCCM, pulse power frequency 10～18kHz, duty
Ratio 30～50%, power is less than 9 kilowatts, target-substrate distance 5～8cm, and plating time is less than 10 minutes, and thickness is less than 2 microns.
5. the decoration preparation method of film bottoming vacuum coating as claimed in claim 1, it is characterised in that described decoration is used
The preparation method of film bottoming vacuum coating comprises the following steps:
(1) forming metal surface of the work carries out mechanical type polishing, removes the rust stain on surface, mildew, respectively at degreaser and pure water
Middle ultrasonic cleaning 10 minutes；
(2) use thermal-curable acrylic ability cathode electrophoresis technique that workpiece carries out bottoming film, acrylic acid synthetic resin basic components
Middle methyl methacrylate 15%～30% dimethylaminoethyl methacrylate 20%～30%, butyl methacrylate 10%
～15%, butyl acrylate 20%～30%, 2-2-hydroxyethyl methacry-late 10%～15%, in electrophoretic paint, acrylic acid closes
Resin 40%～60%, blocked polyisocyanate firming agent 15～20%, alcohol ether cosolvent 15%～20%, azo two isobutyl
Nitrile initiator 3%～6%, the nertralizer such as lactic acid, glacial acetic acid 5%～10%, deionized water 10～15%；Electrophoresis during plating
The pH value 4.5 of liquid, its electrical conductivity 600 μ s/cm, temperature 25 DEG C, voltage 70V, electrophoresis time 90s, it is thus achieved that thickness is beating of 18 μm
Bottom；
(3) workpiece completing bottoming process is carried out pure water cleaning showers, toasts 30 minutes in the environment of temperature is 160 DEG C,
Complete dry, the solidification workpiece of surface of the work under-coating varnish；
(4) workpiece is placed in base vacuum and is not less than 3 × 10-4In the vacuum chamber of Pa, in vacuum chamber, it is passed through Ar/O2Gaseous mixture,
Ar/O2Volume ratio is 95: 5, and gas flow is 200SCCM, and regulation vacuum is plating to 100Pa, uses DC glow method generation etc.
Gas ions, applies voltage 1500V, workpiece is carried out plasma radiation；
(5), after plasma radiation terminates, vacuum degree in vacuum chamber is recovered to 3 × 10-4Pa, is then passed through high-purity Ar in vacuum chamber
Gas, flow is 60SCCM, and regulation vacuum, to 2Pa, carries out pulsed magnetron sputtering and aluminizes, and aluminum target purity 99.99%, target is to workpiece
Surface air line distance 5cm, power 3 kilowatts, frequency 15kHz, dutycycle 30%, plating 5 minutes；
(6), after magnetron sputtering terminates, vacuum chamber vacuum is recovered to 3 × 10-4Pa, opens vacuum after workpiece temperature is reduced to room temperature
Workpiece is taken out in room；
(7) workpiece is carried out secondary cathode electrophoresis, use electrophoresis groove liquid that is identical with electrophoresis and that add colour mill base；
(8) workpiece is carried out cleaning showers, toast 30 minutes under 160 degrees Celsius, finished product can be obtained.
6. the decoration preparation method of film bottoming vacuum coating as claimed in claim 1, it is characterised in that described decoration is used
The preparation method of film bottoming vacuum coating comprises the following steps:
(1) forming metal surface of the work carries out mechanical type polishing, removes the rust stain on surface, mildew, respectively at degreaser and pure water
Middle ultrasonic cleaning 10 minutes；
(2) using UV curing acrylic ability cathode electrophoresis technique, acrylic acid synthetic resin basic components is N methyldiethanol amine
10%～20%, pentaerythritol triacrylate 20%～30%, methacrylic acid-beta-hydroxy ethyl ester 15%～25%, acrylic acid
Butyl ester 15%～30%, electrophoretic paint composition: acrylic acid synthetic resin 40%～60%, close isophorone diisocyanate solidification
Agent 15%～20%, ethyl acetate cosolvent 15%～20%, 1173 light triggers 2%～6%, lactic acid neutralization agent 2%～
7%, polypropylene phosphoric acid ester levelling agent 0.01%～1%, deionized water 10～15%；The pH value 4 of electrophoresis liquid during plating,
Its electrical conductivity 300 μ s/cm, temperature 30 DEG C, voltage 60V, electrophoresis time 30s, it is thus achieved that thickness is the prime coat of 15 μm；
(3) workpiece completing bottoming process being carried out pure water cleaning showers, dry solidification technique is 70～80 DEG C of preliminary drying 20min,
Then 3500mj/cm is used2High-pressure mercury light irradiation 2min, has i.e. solidified；
(4) workpiece is placed in background vacuum and is not less than 3 × 10-4In the vacuum chamber of Pa, in vacuum chamber, it is passed through Ar/O2Mixing
Gas, Ar/O2Volume ratio is 95:5, and gas flow is 200SCCM, and regulation vacuum is plating to 100Pa, uses DC glow method to produce
Plasma, applies voltage 1500V, workpiece is carried out plasma radiation；
(5), after plasma radiation terminates, vacuum degree in vacuum chamber is recovered to 3 × 10-4Pa, is then passed through high-purity Ar in vacuum chamber
Gas, flow is 60SCCM, and regulation vacuum, to 2Pa, carries out pulsed magnetron sputtering and aluminizes, and aluminum target purity 99.99%, target is to workpiece
Surface air line distance 5cm, power 3 kilowatts, frequency 15kHz, dutycycle 30%, plating 5 minutes；
(6), after magnetron sputtering terminates, vacuum chamber vacuum is recovered to 3 × 10-4Pa, opens vacuum after workpiece temperature is reduced to room temperature
Workpiece is taken out in room；
(7) workpiece is carried out secondary cathode electrophoresis, use electrophoresis groove liquid that is identical with electrophoresis and that add colour mill base；
(8) workpiece is carried out cleaning showers, toast 30 minutes under 160 degrees Celsius, finished product can be obtained.
7. the decoration preparation method of film bottoming vacuum coating as claimed in claim 1, it is characterised in that described decoration is used
The preparation method of film bottoming vacuum coating comprises the following steps:
(1) forming metal surface of the work carries out mechanical type polishing, removes the rust stain on surface, mildew, respectively at degreaser and pure water
Middle ultrasonic cleaning 10 minutes；
(2) use thermal-curable acrylic ability cathode electrophoresis technique that workpiece carries out bottoming film, acrylic acid synthetic resin basic components
Middle methyl methacrylate 15%～30% dimethylaminoethyl methacrylate 20%～30%, butyl methacrylate 10%
～15%, butyl acrylate 20%～30%, 2-2-hydroxyethyl methacry-late 10%～15%, in electrophoretic paint, acrylic acid closes
Resin 40%～60%, blocked polyisocyanate firming agent 15～20%, alcohol ether cosolvent 15%～20%, azo two isobutyl
Nitrile initiator 3%～6%, the nertralizer such as lactic acid, glacial acetic acid 5%～10%, deionized water 10～15%；Electrophoresis during plating
The pH value 4.5 of liquid, its electrical conductivity 600 μ s/cm, temperature 25 DEG C, voltage 70V, electrophoresis time 90s, it is thus achieved that thickness is 2018 μm
Prime coat；
(3) workpiece completing bottoming process is carried out pure water cleaning showers, toasts 30 minutes in the environment of temperature is 160 DEG C,
Complete dry, the solidification workpiece of surface of the work under-coating varnish；
(4) workpiece is placed in base vacuum and is not less than 3 × 10-4In the vacuum chamber of Pa, in vacuum chamber, it is passed through Ar/O2Gaseous mixture,
Ar/O2Volume ratio is 60:40, and gas flow is 60SCCM, and regulation vacuum is plating to 100Pa, uses DC glow method generation etc.
Gas ions, applies voltage 1800V, workpiece is carried out plasma radiation；
(5), after plasma radiation terminates, vacuum degree in vacuum chamber is recovered to 3 × 10-4Pa, is then passed through high-purity Ar in vacuum chamber
Gas, flow is 60SCCM, and regulation vacuum, to 5Pa, carries out pulsed magnetron sputtering and aluminizes, and aluminum target purity 99.99%, target is to workpiece
Surface air line distance 5cm, power 2 kilowatts, frequency 18kHz, dutycycle 60%, plating 5 minutes；
(6), after magnetron sputtering terminates, vacuum chamber vacuum is recovered to 3 × 10-4Pa, opens vacuum after workpiece temperature is reduced to room temperature
Workpiece is taken out in room；
(7) workpiece is carried out secondary cathode electrophoresis, use electrophoresis groove liquid that is identical with electrophoresis and that add colour mill base；
(8) workpiece is carried out cleaning showers, toast 30 minutes under 160 degrees Celsius, finished product can be obtained.
8. the electronics unit comprising the preparation method of decoration film bottoming vacuum coating described in claim 1-7 any one
Device electro-plating method.
9. the automobile electricity comprising the preparation method of decoration film bottoming vacuum coating described in claim 1-7 any one
Electroplating method.
10. one kind comprises the mobile phone of the preparation method of decoration film bottoming vacuum coating described in claim 1-7 any one
Electro-plating method.
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| CN116623136A (en) * | 2023-04-20 | 2023-08-22 | 鑫泽晟科技有限公司 | Coating method of ABS plastic plug cover of refrigerator |
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| CN116623136A (en) * | 2023-04-20 | 2023-08-22 | 鑫泽晟科技有限公司 | Coating method of ABS plastic plug cover of refrigerator |
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