CN108842150A - A kind of copper product surface treatment method - Google Patents
A kind of copper product surface treatment method Download PDFInfo
- Publication number
- CN108842150A CN108842150A CN201810813824.9A CN201810813824A CN108842150A CN 108842150 A CN108842150 A CN 108842150A CN 201810813824 A CN201810813824 A CN 201810813824A CN 108842150 A CN108842150 A CN 108842150A
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- CN
- China
- Prior art keywords
- copper product
- copper
- surface treatment
- treatment method
- passivating solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- C23C22/73—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 characterised by the process
-
- 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
- C23C22/68—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 aqueous solutions with pH between 6 and 8
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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)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The present invention provides a kind of copper product surface treatment methods, include the following steps：(1) surface clean；(2) clear water rinses；(3) Passivation Treatment：Copper product by step (2) rinsing is impregnated 30-50s in passivating solution, the concentration of the passivating solution is 0.3-0.5wt%；(4) clear water cleans；(5) it is centrifuged；(6) it dries：Copper product is placed on drying in oven, temperature is set as 76-80 DEG C, drying time 15-20min, then will pack after the copper product cooling after drying.Copper product surface treatment method of the present invention can effectively inhibit the corrosion of copper and copper alloy, prolong the service life, and reduce corrosion bring risk, environmental-friendly；Processing method is simple, is suitble to large-scale production, is easy to industrialization.
Description
Technical field
The present invention relates to copper product technical fields, more particularly to a kind of copper product surface treatment method.
Background technique
With the progress of industry, oneself is widely used copper material in production and life, with current economic water
The application field of flat raising, copper and copper alloy workpiece (including valve, copper pipe fitting, hot-water heating etc.) product is more and more wider.Copper and copper
The corrosion resistance of alloy is poor, and chemistry or electrochemical corrosion especially easily occur under moist or oxidative conditions, influences to produce
Product are beautiful, or even cause product quality accident.Studies have shown that preventing metallic material corrosion, most effective, the simplest method of abrasion
It is to be surface-treated to it.But the method for surface treatment in the prior art, as chemical plating, electron beam, laser beam, gas phase are heavy
Product, thermal spraying etc., technics comparing is complicated, and to the more demanding of equipment, the bigger higher cost of energy consumption cannot achieve scale metaplasia
It produces.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of corrosion resistance that can be improved copper product, works
The simple copper product surface treatment method of skill.
The technical solution adopted by the present invention is that：
A kind of copper product surface treatment method, includes the following steps：
(1) surface clean：Copper product is carried out sanding in water by sanding room, the sanding time is 6-10min, then copper
Product carries out oil removal treatment in degreasing agent for metal；The concentration of the degreasing agent for metal is 3-5wt%, soaking time 12-
15min；
(2) clear water rinses：Copper product after oil removing in step (1) is placed in the stainless steel sink that clear water is tank liquor, is floated
Operation is washed, is rinsed 3 times；
(3) Passivation Treatment：Copper product by step (2) rinsing is impregnated 30-50s, the passivating solution in passivating solution
Concentration be 0.3-0.5wt%；
(4) clear water cleans：Pass through again after copper product in step (3) after Passivation Treatment is first cleaned with pure water spray
Ultrasonic heat pure water rinsing, ultrasonic heat pure water rinsing time are 25-40s, and rinsing temperature is 50-60 DEG C；
(5) it is centrifuged：Copper product is poured into nylon leaching net and is uniformly placed in centrifuge and is dehydrated, dewatering time 1-
2s, whipping 2-3 times, centrifuge speed 100-150r/min；
(6) it dries：Copper product is placed on drying in oven, temperature is set as 76-80 DEG C, drying time 15-
Then 20min will be packed after the copper product cooling after drying.
Copper product surface treatment method of the present invention, wherein copper product described in step (1) is copper or copper alloy work
Part.
Copper product surface treatment method of the present invention, wherein the copper alloy is corronil, ormolu and copper
One of tin alloy.
Copper product surface treatment method of the present invention, wherein passivating solution described in step (3) is by following quality percentage
The group of ratio is grouped as：5- methyl-1 H- tetrazolium 35-40%, phenylpropyl triazole 40-50% and hydrogen peroxide 15-20%.
Copper product surface treatment method of the present invention, wherein passivating solution described in step (3) is by following quality percentage
The group of ratio is grouped as：5- methyl-1 H- tetrazolium 35%, phenylpropyl triazole 50% and hydrogen peroxide 15%.
Copper product surface treatment method of the present invention, wherein passivating solution described in step (3) is by following quality percentage
The group of ratio is grouped as：5- methyl-1 H- tetrazolium 40%, phenylpropyl triazole 40% and hydrogen peroxide 20%.
Beneficial effect of the present invention：
Copper product surface treatment method of the present invention can effectively inhibit the corrosion of copper and copper alloy, extend and use
Service life reduces corrosion bring risk, environmental-friendly；Processing method is simple, is suitble to large-scale production, is easy to industrialization.
Copper product surface treatment method of the present invention, the passivating solution consist of the following components in percentage by mass：
5- methyl-1 H- tetrazolium 35-40%, phenylpropyl triazole 40-50% and hydrogen peroxide 15-20%；It can be in the superficiality of copper product
At fine and close protective film, increases antioxidant effect, improve its corrosion resistance.
Below in conjunction with specific embodiment, the invention will be further described.
Specific embodiment
Embodiment 1
A kind of copper product surface treatment method, includes the following steps：
(1) surface clean：Copper product is carried out sanding in water by sanding room, the sanding time is 6min, then copper
Product carry out oil removal treatment in degreasing agent for metal；The concentration of the degreasing agent for metal is 5wt%, soaking time 15min；It is described
Copper product is fine copper workpiece；
(2) clear water rinses：Copper product after oil removing in step (1) is placed in the stainless steel sink that clear water is tank liquor, is floated
Operation is washed, is rinsed 3 times；
(3) Passivation Treatment：Copper product by step (2) rinsing is impregnated 30s in passivating solution, the passivating solution it is dense
Degree is 0.3wt%；The passivating solution consists of the following components in percentage by mass：5- methyl-1 H- tetrazolium 35%, three nitrogen of phenylpropyl alcohol
Azoles 50% and hydrogen peroxide 15%；
(4) clear water cleans：Pass through again after copper product in step (3) after Passivation Treatment is first cleaned with pure water spray
Ultrasonic heat pure water rinsing, ultrasonic heat pure water rinsing time are 25s, and rinsing temperature is 60 DEG C；
(5) it is centrifuged：Copper product is poured into nylon leaching net and is uniformly placed in centrifuge and is dehydrated, dewatering time 1s,
Whipping 3 times, centrifuge speed 100r/min；
(6) it dries：Copper product is placed on drying in oven, temperature is set as 80 DEG C, drying time 15min, then
It will be packed after copper product cooling after drying.
Embodiment 2
A kind of copper product surface treatment method, includes the following steps：
(1) surface clean：Copper product is carried out sanding in water by sanding room, the sanding time is 10min, then copper
Product carry out oil removal treatment in degreasing agent for metal；The concentration of the degreasing agent for metal is 3wt%, soaking time 12min；It is described
Copper product is copper alloy workpiece, and the copper alloy is one of corronil, ormolu and copper-tin alloy；
(2) clear water rinses：Copper product after oil removing in step (1) is placed in the stainless steel sink that clear water is tank liquor, is floated
Operation is washed, is rinsed 3 times；
(3) Passivation Treatment：Copper product by step (2) rinsing is impregnated 50s in passivating solution, the passivating solution it is dense
Degree is 0.5wt%；The passivating solution consists of the following components in percentage by mass：5- methyl-1 H- tetrazolium 40%, three nitrogen of phenylpropyl alcohol
Azoles 40% and hydrogen peroxide 20%；
(4) clear water cleans：Pass through again after copper product in step (3) after Passivation Treatment is first cleaned with pure water spray
Ultrasonic heat pure water rinsing, ultrasonic heat pure water rinsing time are 40s, and rinsing temperature is 50 DEG C；
(5) it is centrifuged：Copper product is poured into nylon leaching net and is uniformly placed in centrifuge and is dehydrated, dewatering time 2s,
Whipping 2 times, centrifuge speed 150r/min；
(6) it dries：Copper product is placed on drying in oven, temperature is set as 76 DEG C, drying time 20min, then
It will be packed after copper product cooling after drying.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (6)
1. a kind of copper product surface treatment method, it is characterised in that：Include the following steps：
(1) surface clean：Copper product is carried out sanding in water by sanding room, the sanding time is 6-10min, then copper product
Oil removal treatment is carried out in degreasing agent for metal；The concentration of the degreasing agent for metal is 3-5wt%, soaking time 12-15min；
(2) clear water rinses：Copper product after oil removing in step (1) is placed in the stainless steel sink that clear water is tank liquor, carries out rinsing work
Industry rinses 3 times；
(3) Passivation Treatment：Copper product by step (2) rinsing is impregnated 30-50s in passivating solution, the passivating solution it is dense
Degree is 0.3-0.5wt%；
(4) clear water cleans：Pass through ultrasound again after copper product in step (3) after Passivation Treatment is first cleaned with pure water spray
Wave hot pure water is rinsed, and the ultrasonic heat pure water rinsing time is 25-40s, and rinsing temperature is 50-60 DEG C；
(5) it is centrifuged：Copper product is poured into nylon leaching net and is uniformly placed in centrifuge and is dehydrated, dewatering time 1-2s is got rid of
It is 2-3 times dynamic, centrifuge speed 100-150r/min；
(6) it dries：Copper product is placed on drying in oven, temperature is set as 76-80 DEG C, drying time 15-20min, so
It will be packed after the copper product cooling after drying afterwards.
2. copper product surface treatment method according to claim 1, it is characterised in that：Copper product described in step (1) is
Copper or copper alloy workpiece.
3. copper product surface treatment method according to claim 1, it is characterised in that：The copper alloy be corronil,
One of ormolu and copper-tin alloy.
4. copper product surface treatment method according to claim 1, it is characterised in that：Passivating solution described in step (3) by
The group of following mass percent is grouped as：5- methyl-1 H- tetrazolium 35-40%, phenylpropyl triazole 40-50% and hydrogen peroxide 15-
20%.
5. copper product surface treatment method according to claim 1, it is characterised in that：Passivating solution described in step (3) by
The group of following mass percent is grouped as：5- methyl-1 H- tetrazolium 35%, phenylpropyl triazole 50% and hydrogen peroxide 15%.
6. copper product surface treatment method according to any one of claims 1-4, it is characterised in that：Institute in step (3)
Passivating solution is stated to consist of the following components in percentage by mass：5- methyl-1 H- tetrazolium 40%, phenylpropyl triazole 40% and peroxidating
Hydrogen 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813824.9A CN108842150A (en) | 2018-07-23 | 2018-07-23 | A kind of copper product surface treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813824.9A CN108842150A (en) | 2018-07-23 | 2018-07-23 | A kind of copper product surface treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108842150A true CN108842150A (en) | 2018-11-20 |
Family
ID=64196939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810813824.9A Pending CN108842150A (en) | 2018-07-23 | 2018-07-23 | A kind of copper product surface treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109554696A (en) * | 2018-12-11 | 2019-04-02 | 广州铜材厂有限公司 | A kind of copper alloy band process of surface treatment and copper alloy band surface processing equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175344A (en) * | 1994-12-12 | 1998-03-04 | 阿尔菲弗赖伊有限公司 | Copper coating |
| CN101233221A (en) * | 2005-05-26 | 2008-07-30 | 高级技术材料公司 | Copper passivating post-chemical mechanical polishing cleaning composition and method of use |
| CN101511607A (en) * | 2005-06-06 | 2009-08-19 | 高级技术材料公司 | Integrated chemical mechanical polishing composition and process for single platen processing |
| CN104047008A (en) * | 2014-06-23 | 2014-09-17 | 梧州恒声电子科技有限公司 | Copper cleaning process |
| CN107385438A (en) * | 2017-07-03 | 2017-11-24 | 粟颜妹 | A kind of copper product surface treatment method |
-
2018
- 2018-07-23 CN CN201810813824.9A patent/CN108842150A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175344A (en) * | 1994-12-12 | 1998-03-04 | 阿尔菲弗赖伊有限公司 | Copper coating |
| CN101233221A (en) * | 2005-05-26 | 2008-07-30 | 高级技术材料公司 | Copper passivating post-chemical mechanical polishing cleaning composition and method of use |
| CN101511607A (en) * | 2005-06-06 | 2009-08-19 | 高级技术材料公司 | Integrated chemical mechanical polishing composition and process for single platen processing |
| CN104047008A (en) * | 2014-06-23 | 2014-09-17 | 梧州恒声电子科技有限公司 | Copper cleaning process |
| CN107385438A (en) * | 2017-07-03 | 2017-11-24 | 粟颜妹 | A kind of copper product surface treatment method |
Non-Patent Citations (2)
| Title |
|---|
| 袁诗璞等: "《电镀技术》", 30 April 1987 * |
| 陈榕林等: "《新编机械工程师手册》", 31 July 1994, 中国轻工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109554696A (en) * | 2018-12-11 | 2019-04-02 | 广州铜材厂有限公司 | A kind of copper alloy band process of surface treatment and copper alloy band surface processing equipment |
| CN109554696B (en) * | 2018-12-11 | 2023-09-26 | 广州铜材厂有限公司 | Copper alloy strip surface treatment process and copper alloy strip surface treatment equipment |
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Application publication date: 20181120 |