CN108754477A - Roll copper darkening ring piece preparation method and calendering copper darkening ring piece - Google Patents
Roll copper darkening ring piece preparation method and calendering copper darkening ring piece Download PDFInfo
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- CN108754477A CN108754477A CN201810418015.8A CN201810418015A CN108754477A CN 108754477 A CN108754477 A CN 108754477A CN 201810418015 A CN201810418015 A CN 201810418015A CN 108754477 A CN108754477 A CN 108754477A
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- ring piece
- darkening ring
- darkening
- calendering copper
- copper
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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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
- C23C22/63—Treatment of copper or alloys based thereon
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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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The present invention provides a kind of calendering copper darkening ring piece preparation method, and described method includes following steps：The molded darkening ring piece made of calendering copper product is provided；Oil removal treatment is carried out to darkening ring piece；Darkening ring piece is processed by shot blasting；Activation process is carried out 10 seconds~10 minutes to darkening ring piece；Darkening process is carried out 5 seconds~20 minutes to the darkening ring piece after activation at a temperature of 50 DEG C~100 DEG C using blackening liquid, blackening liquid is formed with water by quality proportioning by black agent, the ratio range of black agent and water is 0.1~5, and black agent includes following component by weight percentage：85~95% sodium hydroxide, 5~8% potassium peroxydisulfate and 2~7% ammonium hydrogen carbonate；To processing is dried by the darkening ring piece of Darkening process under the vacuum condition less than 200 DEG C, the finished product of calendering copper darkening ring piece is obtained.The present invention also provides a kind of calendering copper darkening ring pieces.Calendering copper darkening ring piece preparation method exploitativeness provided by the invention is strong, and properties of product obtained are good.
Description
【Technical field】
The present invention relates to camera technology field more particularly to a kind of calendering copper darkening ring piece preparation method and calendering copper shadings
Enclose piece.
【Background technology】
With the fast development of science and technology, digital camera and the mobile phone rapid proliferation with digital camera, these light
Optical element used in instrument is learned gradually to be improved.Darkening ring piece is the optics member for regulating and controlling luminous flux in optical system
Part when ambient enters camera lens, can stop that unwanted light enters, to prevent via the darkening ring piece being arranged between the lenses
Solar flare or ghost image are only generated in photographed images.
In the related technology, darkening ring piece is made of Japan's SOMA light screening materials, this kind of material is double mute black gather to benzene
Naphthalate (Polyethylene terephthalate, PET), and darkening ring piece made of the material is in the presence of easy
Aging deformation, not easy conductive, non-refractory the defects of.
Therefore, it is necessary to provide a kind of new calendering copper darkening ring piece preparation method and calendering copper darkening ring piece.
【Invention content】
A kind of that the purpose of the present invention is to provide steps is simple, exploitativeness is strong calendering copper darkening ring piece preparation method and
A kind of calendering copper darkening ring piece that performance is stablized.
In order to achieve the above object, the present invention provides a kind of calendering copper darkening ring piece preparation method, and the method includes such as
Lower step：
Molded darkening ring piece is provided, the darkening ring piece is made of calendering copper product；
Oil removal treatment is carried out to the darkening ring piece, to remove the rolling oil film of darkening ring piece surface attachment；
The darkening ring piece Jing Guo oil removal treatment is processed by shot blasting using polishing fluid, to remove the darkening ring piece
The concaveconvex structure on surface；
Activation process is carried out to the darkening ring piece Jing Guo polishing treatment using activator, to increase the darkening ring piece
The time of the activity on surface, the activation process is 10 seconds~10 minutes；
Darkening process is carried out to the darkening ring piece after activation using blackening liquid, to change darkening ring piece surface
The temperature of color and luster, the Darkening process is 50 DEG C~100 DEG C, and the time is 5 seconds~20 minutes, and the blackening liquid is by black agent and water
It is formed by quality proportioning, the mass values ranging from 0.1~5 of black agent and water, the black agent includes by percentage to the quality
Following component：85~95% sodium hydroxide, 5~8% potassium peroxydisulfate and 2~7% ammonium hydrogen carbonate, wherein with described black
Agent gross weight is very counted；
To processing is dried by the darkening ring piece of Darkening process under the vacuum condition less than 200 DEG C, obtain
The finished product of the calendering copper darkening ring piece.
Preferably, the oil removal treatment is specially：Using acetone ultrasonic cleaning 10~30 minutes, EtOH Sonicate ripple cleaning
20~60 minutes.
Preferably, the polishing fluid is copper polishing fluid.
Preferably, the activator by a concentration of 98% concentrated sulfuric acid and water according to 1：3 mass ratio configures.
Preferably, further include water-washing process between adjacent two step, the water-washing process continues 1~3 time.
The present invention also provides a kind of calendering copper darkening ring piece, the calendering copper darkening ring piece uses the calendering copper darkening ring
Piece preparation method is prepared.
Compared with the relevant technologies, calendering copper darkening ring piece preparation method provided by the invention and calendering copper darkening ring piece are adopted
Darkening ring piece is made with calendering copper product, and by flows such as oil removing, polishing, activation, melanism, dryings, obtains calendering copper shading
The finished product of piece is enclosed, the calendering copper darkening ring piece has evaded PET darkening rings piece in the related technology and has been easy aging deformation, is not easy to lead
The characteristics of electricity, non-refractory, while having the characteristics that dimensionally stable, easy melanism, simple for process, melanism back reflection rate is low.
【Description of the drawings】
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein：
Fig. 1 is the flow chart of calendering copper darkening ring piece preparation method provided by the invention；
Fig. 2 a are that 10,000 times microcosmic is amplified on the obtained calendering copper darkening ring piece surface of the embodiment of the present invention one under Electronic Speculum
Structure chart；
Fig. 2 b are that 50,000 times microcosmic is amplified on the obtained calendering copper darkening ring piece surface of the embodiment of the present invention one under Electronic Speculum
Structure chart；
Fig. 3 a are that 10,000 times microcosmic is amplified on the obtained calendering copper darkening ring piece surface of the embodiment of the present invention two under Electronic Speculum
Structure chart；
Fig. 3 b are that 50,000 times microcosmic is amplified on the obtained calendering copper darkening ring piece surface of the embodiment of the present invention two under Electronic Speculum
Structure chart；
Fig. 4 a are that 10,000 times microcosmic is amplified on the obtained calendering copper darkening ring piece surface of the embodiment of the present invention three under Electronic Speculum
Structure chart；
Fig. 4 b are that 50,000 times microcosmic is amplified on the obtained calendering copper darkening ring piece surface of the embodiment of the present invention three under Electronic Speculum
Structure chart.
【Specific implementation mode】
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of calendering copper darkening ring piece preparation method comprising following steps：
S1：Molded darkening ring piece is provided, the darkening ring piece is made of calendering copper product.
Calendering copper is to be rolled with copper ingot, then be made through forging the processes such as fiery, anti-oxidant, roughening treatment.Roll copper thickness
It is generally completely embedded between 5um~135um, molecule, has flexible, intensity is high, bendability, ductility, plating resistance, conductive
The features such as property is good, and lustrous surface is excellent；Moreover, rolled copper foil have low surface oxygen characteristic, can adhere to various different substrate materials,
Such as metal, insulating materials etc. possesses wider temperature use scope.The darkening ring piece made of calendering copper product can evade phase
The shortcomings that PET material darkening ring piece is ageing-resistant in the technology of pass, yielding, non-refractory, at the same have dimensionally stable, be easy it is black
Change, feature simple for process, melanism back reflection rate is low.
The darkening ring piece is washed to remove dust, impurity or the particulate matter of surface attachment, the water
It washes Cheng Chixu 1~3 time, then carries out subsequent handling.
S2：Oil removal treatment is carried out to the darkening ring piece, to remove the rolling oil film of darkening ring piece surface attachment.
Due to calendering copper itself in the inherent characteristic of the production operation of rolling, determine that its double surface is rolled with larger amount of
Liquefaction film, the oil content on double surfaces is up to 5mg/m2More than, it has seriously affected its product export requirement and it is follow-up required
The progress of chemistry and electrochemical surface treatment process.The darkening ring piece made of calendering copper product needs the ROLLING OIL to its surface
Film carries out oil removal treatment, to facilitate the progress of subsequent handling.
The oil removal treatment is specially：Using acetone ultrasonic cleaning 10~30 minutes, EtOH Sonicate ripple cleaning 20~60
Minute.Acetone and ethyl alcohol are the organic solvent of environment-friendly type, can be reused, and oil removal efficiency is high, effect is good, is aided with super
Sound wave can be reinforced cleaning deoiling effect, so that oil removing cleaning efficiency is greatly improved, also make oil removing scavenging period significantly
Shorten.
It after the completion of oil removal treatment, needs to carry out washing 1~3 time to the darkening ring piece, to remove the darkening ring piece table
The acetone/ethanol solution of face attachment.
S3：The darkening ring piece Jing Guo oil removal treatment is processed by shot blasting using polishing fluid, to remove the shading
Enclose the concaveconvex structure on piece surface.
Polishing treatment can make the darkening ring surfacing, light.Preferably, the polishing fluid is copper polishing fluid,
Using existing commercially available copper polishing fluid.
It after the completion of polishing treatment, needs to carry out washing 1~3 time to the darkening ring piece, to remove the darkening ring piece table
The polishing fluid of face attachment.
S4：Activation process is being carried out to the darkening ring piece Jing Guo polishing treatment using activator, to increase the screening
The activity on iris diaphragm plate surface.
The time of the activation process is 10 seconds~10 minutes.Activation process can increase the work on darkening ring piece surface
Property, it prepares for subsequent handling.The activator is by a concentration of 98% concentrated sulfuric acid with water according to 1：3 mass ratio configuration and
At.
It after the completion of activation process, needs to carry out washing 1~3 time to the darkening ring piece, to remove the darkening ring piece table
The activator of face attachment.
S5：Darkening process is carried out to the darkening ring piece after activation using blackening liquid, to change the darkening ring piece table
The color and luster in face.
The temperature of the Darkening process is 50 DEG C~100 DEG C, and the time is 5 seconds~20 minutes, and the blackening liquid is by black agent
It is formed by quality proportioning with water, the mass values ranging from 0.1~5 of black agent and water, the black agent includes with quality percentage
Than the following component of meter：85~95% sodium hydroxide, 5~8% potassium peroxydisulfate and 2~7% ammonium hydrogen carbonate, wherein with institute
Black agent gross weight is stated very to count.
The purpose of Darkening process is to ensure to change on the basis of the darkening ring piece antistripping, corrosion-resistant, oxidation proof propertiess
The color and luster for becoming darkening ring piece surface, achievees the purpose that shield lights.Specifically, the principle of the Darkening process is：In alkali
Property solution in, copper is oxidized to copper oxide by potassium peroxydisulfate, and copper oxide is in black, it is extremely difficult to is dissolved in water, be reacted the copper oxide shape of generation
It is attached to darkening ring piece surface at one layer of fine and close film, it is in mute black shape to make the appearance of the darkening ring piece.
In blackening treatment process, it is observed that the color and luster variation of the darkening ring piece is by shallow brown → deep brown → blue → black.
It should be noted that needing that the darkening ring piece is shaken or moved in blackening treatment process, ensure the darkening ring
Piece and black agent come into full contact with, and are carried out with reacting fully.It preferably, can also be by the screening in blackening treatment process
Iris diaphragm plate takes out observation, and color and luster, which reaches requirement and takes out, carries out washing 1~3 time, is adhered to remove darkening ring piece surface
Black agent avoids the excessive of reaction from carrying out causing the thickness of film is excessive to cause to fall off or detach.Furthermore sodium hydroxide in blackening liquid
It is not consumed, it is only necessary to supplement the lasting progress that potassium peroxydisulfate ensures that reaction, economize on resources.
S6：To processing is dried by the darkening ring piece of Darkening process under the vacuum condition less than 200 DEG C, obtain
To the finished product of the calendering copper darkening ring piece.
The darkening ring piece after Darkening process is put into vacuum drying oven and is dried, flow terminates, and obtains institute
State the finished product of calendering copper darkening ring piece.
Embodiment one
The present invention provides a kind of calendering copper darkening ring piece preparation method comprising following steps：
(1) molded darkening ring piece is provided, the darkening ring piece is made of calendering copper product.
(2) after washing, acetone ultrasonic cleaning is used 10 minutes to the darkening ring piece, EtOH Sonicate ripple cleans 20 points
Clock, to remove the rolling oil film of darkening ring piece surface attachment.
(3) after washing, the darkening ring piece Jing Guo oil removal treatment is processed by shot blasting using copper polishing fluid, to go
Except the concaveconvex structure on darkening ring piece surface, the time of the polishing treatment is 5 minutes.
(4) after washing, using activator to the darkening ring piece activation process Jing Guo polishing treatment, to increase the screening
The time of the activity on iris diaphragm plate surface, the activation process is 3 minutes, and the activator is by 98% concentrated sulfuric acid with water according to 1：
3 mass ratio configures.
(5) after washing, Darkening process is carried out to the darkening ring piece after activation using blackening liquid, to change the shading
The color and luster on piece surface is enclosed, the temperature of the Darkening process is 80 DEG C, and the time is 15 minutes, and the blackening liquid is pressed by black agent and water
According to 1：1 mass ratio configures, and the black agent includes following component by percentage to the quality：90% sodium hydroxide,
8% potassium peroxydisulfate and 2% ammonium hydrogen carbonate.
(6) after washing, to processing is dried by the darkening ring piece of Darkening process in 150 DEG C of vacuum drying oven
5 minutes, obtain the finished product of the calendering copper darkening ring piece.
Fig. 2 (a~b) is please referred to, the calendering copper darkening ring piece surface is the dumb light structure of " needle " shape, is measured by experiment
0 ° of reflectivity of the calendering copper darkening ring piece is 0.61%, and scattering properties is relatively uniform, double mute black compared in the related technology
PET material made of darkening ring piece 0 ° of reflectivity have be greatly reduced.
Embodiment two
The present invention provides a kind of calendering copper darkening ring piece preparation method comprising following steps：
(1) molded darkening ring piece is provided, the darkening ring piece is made of calendering copper product.
(2) after washing, acetone ultrasonic cleaning is used 20 minutes to the darkening ring piece, EtOH Sonicate ripple cleans 50 points
Clock, to remove the rolling oil film of darkening ring piece surface attachment.
(3) after washing, the darkening ring piece Jing Guo oil removal treatment is processed by shot blasting using copper polishing fluid, to go
Except the concaveconvex structure on darkening ring piece surface, the time of the polishing treatment is 1 minute.
(4) after washing, using activator to the darkening ring piece activation process Jing Guo polishing treatment, to increase the screening
The time of the activity on iris diaphragm plate surface, the activation process is 5 minutes, and the activator is by 98% concentrated sulfuric acid with water according to 1：
3 mass ratio configures.
(5) after washing, Darkening process is carried out to the darkening ring piece after activation using blackening liquid, to change the shading
The color and luster on piece surface is enclosed, the temperature of the Darkening process is 50 DEG C, and the time is 5 minutes, and the blackening liquid is pressed by black agent and water
According to 1：2 mass ratio configures, and the black agent includes following component by percentage to the quality：90% sodium hydroxide,
8% potassium peroxydisulfate and 2% ammonium hydrogen carbonate.
(6) after washing, to processing is dried by the darkening ring piece of Darkening process in 150 DEG C of vacuum drying oven
5 minutes, obtain the finished product of the calendering copper darkening ring piece.
Fig. 3 (a~b) is please referred to, the dumb light structure of " needle " shape that the calendering copper darkening ring piece surface is is surveyed by testing
0 ° of reflectivity for obtaining the calendering copper darkening ring piece is 1.47%, and scattering properties is relatively uniform.
Embodiment three
The present invention provides a kind of calendering copper darkening ring piece preparation method comprising following steps：
(1) molded darkening ring piece is provided, the darkening ring piece is made of calendering copper product.
(2) after washing, acetone ultrasonic cleaning is used 30 minutes to the darkening ring piece, EtOH Sonicate ripple cleans 60 points
Clock, to remove the rolling oil film of darkening ring piece surface attachment.
(3) after washing, the darkening ring piece Jing Guo oil removal treatment is processed by shot blasting using copper polishing fluid, to go
Except the concaveconvex structure on darkening ring piece surface, the time of the polishing treatment is 5 seconds.
(4) after washing, using activator to the darkening ring piece activation process Jing Guo polishing treatment, to increase the screening
The activity on iris diaphragm plate surface, time of the activation process are 10 minutes, the activator by 98% the concentrated sulfuric acid and water according to
1：3 mass ratio configures.
(5) after washing, Darkening process is being carried out to the darkening ring piece after activation using blackening liquid, to change the screening
The temperature of the color and luster on iris diaphragm plate surface, the Darkening process is 100 DEG C, and the time is 30 seconds, and the blackening liquid is by black agent and water
According to 2：1 mass ratio configures, and the black agent includes following component by percentage to the quality：90% hydroxide
Sodium, 8% potassium peroxydisulfate and 2% ammonium hydrogen carbonate.
(6) after washing, to processing is dried by the darkening ring piece of Darkening process under 150 DEG C of vacuum condition
5 minutes, obtain the finished product of the calendering copper darkening ring piece.
Fig. 4 (a~b) is please referred to, the calendering copper darkening ring piece surface is the dumb light structure of non-uniform " needle " shape, surface
Melanism is relatively uniform, and 0 ° of reflectivity that the calendering copper darkening ring piece is measured by experiment is 4.07%.
Comprehensive analysis embodiment one to embodiment three experimental data, it can be seen that calendering copper shading provided by the invention
Circle piece preparation method flow is simple, and exploitativeness is strong, and the calendering copper darkening ring piece surface obtained is dumb light structure, and surface is black
Change uniformly, 0 ° of reflectivity of the calendering copper darkening ring piece maintains reduced levels, disclosure satisfy that the screening of high-precision optical device
Light demand.
The present invention also provides a kind of calendering copper darkening ring piece, the calendering copper darkening ring piece uses the calendering copper darkening ring
Piece preparation method forms, and it is dumb light structure to roll copper darkening ring piece surface described in the calendering copper darkening ring piece, and surface melanism is equal
Even, 0 ° of reflectivity of the calendering copper darkening ring piece maintains reduced levels, disclosure satisfy that the shading of high-precision optical device needs
It asks.
Compared with the relevant technologies, calendering copper darkening ring piece preparation method provided by the invention and calendering copper darkening ring piece are adopted
Darkening ring piece is made with calendering copper product, and by flows such as oil removing, polishing, activation, melanism, dryings, obtains calendering copper shading
The finished product of piece is enclosed, the calendering copper darkening ring piece has evaded PET darkening rings piece in the related technology and has been easy aging deformation, is not easy to lead
The characteristics of electricity, non-refractory, while having the characteristics that dimensionally stable, easy melanism, simple for process, melanism back reflection rate is low.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to the protection model of the present invention
It encloses.
Claims (6)
1. a kind of calendering copper darkening ring piece preparation method, which is characterized in that described method includes following steps：
Molded darkening ring piece is provided, the darkening ring piece is made of calendering copper product；
Oil removal treatment is carried out to the darkening ring piece, to remove the rolling oil film of darkening ring piece surface attachment；
The darkening ring piece Jing Guo oil removal treatment is processed by shot blasting using polishing fluid, to remove darkening ring piece surface
Concaveconvex structure；
Activation process is carried out to the darkening ring piece Jing Guo polishing treatment using activator, to increase darkening ring piece surface
Activity, time of the activation process is 10 seconds~10 minutes；
Darkening process is carried out to the darkening ring piece after activation using blackening liquid, to change the color on darkening ring piece surface
The temperature in pool, the Darkening process is 50 DEG C~100 DEG C, and the time is 5 seconds~20 minutes, and the blackening liquid is pressed by black agent and water
Quality proportioning forms, and the mass values ranging from 0.1~5 of black agent and water, the black agent includes by percentage to the quality
Following component：85~95% sodium hydroxide, 5~8% potassium peroxydisulfate and 2~7% ammonium hydrogen carbonate, wherein with the melanism
Agent gross weight is very counted；
To processing is dried by the darkening ring piece of Darkening process under the vacuum condition less than 200 DEG C, obtain described
Roll the finished product of copper darkening ring piece.
2. according to the method described in claim 1, it is characterized in that, the oil removal treatment is specially：It is clear using acetone ultrasonic wave
It washes 10~30 minutes, EtOH Sonicate ripple is cleaned 20~60 minutes.
3. according to the method described in claim 1, it is characterized in that, the polishing fluid is copper polishing fluid.
4. according to the method described in claim 1, it is characterized in that, the activator is pressed by a concentration of 98% concentrated sulfuric acid with water
According to 1：3 mass ratio configures.
5. described according to the method described in claim 1, it is characterized in that, further include water-washing process between adjacent two step
Water-washing process continues 1~3 time.
6. a kind of calendering copper darkening ring piece, which is characterized in that the calendering copper darkening ring piece is using any one of Claims 1 to 5
The method is prepared.
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| CN201810418015.8A CN108754477B (en) | 2018-05-04 | 2018-05-04 | Preparation method of rolled copper shading ring sheet and rolled copper shading ring sheet |
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| CN201810418015.8A CN108754477B (en) | 2018-05-04 | 2018-05-04 | Preparation method of rolled copper shading ring sheet and rolled copper shading ring sheet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115433930A (en) * | 2022-07-06 | 2022-12-06 | 南通群安电子材料有限公司 | Phosphorus-free blackening solution for copper metal grid conductive film and preparation and use methods thereof |
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