CN108611629A - A kind of anti-corrosion treatment process on copper product surface - Google Patents
A kind of anti-corrosion treatment process on copper product surface Download PDFInfo
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- CN108611629A CN108611629A CN201810281358.4A CN201810281358A CN108611629A CN 108611629 A CN108611629 A CN 108611629A CN 201810281358 A CN201810281358 A CN 201810281358A CN 108611629 A CN108611629 A CN 108611629A
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- copper product
- parts
- product surface
- protective layer
- treatment process
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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
- C23C22/05—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
-
- 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
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/02—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in air or gases by adding vapour phase inhibitors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The invention discloses a kind of anti-corrosion treatment process on copper product surface, include the following steps:Pre-processing, antirust treatment liquid immersion treatment, coating protective layer;The antirust treatment liquid mass fraction group becomes:12~14 parts of sodium alginate, 7~9 parts of potassium silicate, 9~12 parts of chromic nitrate, 10~14 parts of sodium nitrate, 16~18 parts of chromium oxide, 12~16 parts of acetic acid, 10~15 parts of hydrogen peroxide, 1~2 part of triethanolamine, 100~120 parts of water;The protective layer is formed using import nanoscale antirust compound additive with feature of environmental protection solvent refining, infiltration is adsorbed on metal surface to nanoscale polymeric corrosion inhibitor rapidly, polar group is formed, metal surface is locked in, can persistently prevent the infiltration of water, air and acid-base class medium.Present invention process flow is simple, using less toxic efficient antirust treatment liquid and nanometer materials molecule protective layer, can effectively improve the rust-proof effect on copper product surface, extend the service life of copper product.
Description
Technical field
The present invention relates to metal rust preventing treatment process technical field, especially a kind of antirust treatment work on copper product surface
Skill.
Background technology
Metal surface antirust is the major issue in industrial processes, and usual metallic iron, copper surface are often correspondingly
Red iron rust, green patina are generated, seriously affects the service life of metal, the treatment process of wherein iron rust, which has developed, mutually to be treated as
It is ripe, and the processing of patina at this stage and protected working development have certain limitation.Patina is also known as verdigris, basic carbonate
Copper is copper to react the substance of generation with substances such as oxygen, carbon dioxide and water in air, patina insoluble in 35 DEG C with
Under water and alcohol, be dissolved in acid and generate soluble copper salt, water and carbon dioxide, also be soluble in ammonium hydroxide, cyanide solution and alkali metal carbon
Acid salt solution and the complex compound for forming copper, basic copper carbonate are unstable, heat easily to decompose and generate copper oxide, water and carbon dioxide.
Basic copper carbonate by prolonged moisture absorption and releasing carbon dioxide, slowly become green malachite, in nature with blue copper
The form of mine exists.According to the physical property and chemical property of patina, the present invention proposes at a kind of antirust on copper product surface
Science and engineering skill, not only can system removal copper product surface patina, also coat protective layer, treatment process derusting on copper product surface
Favorable rust preventing effect, the retention time is long, can effectively extend the service life of copper product.
Invention content
In order to expand the anti-corrosion treatment process of copper product in the prior art, improves antirust treatment effect, extends rustless holding
Time, the present invention propose a kind of anti-corrosion treatment process on copper product surface.
The technical solution adopted by the present invention to solve the technical problems is:A kind of anti-corrosion treatment process on copper product surface,
Specifically include following steps:
(1) pre-processing:Copper product surface is refined using sand paper first, the patina of copper product surface bulge is beaten
Mill is clean;The clean copper product that will polish later, which is put into water tank, first to be washed one time with clear water, 40~60 DEG C of washing temperature, when washing
Between 10~20min;The copper product after washing is cleaned using acid solution again, clear water is then reused and rinses one time;Finally by copper
Product are put into drying in oven, and drying temperature is 100~110 DEG C, and drying time is 1~2h;
(2) immersion treatment of antirust treatment liquid:Copper product after step (1) is dried, which is put into antirust treatment liquid, impregnates 20
~30min, later takes out copper product, is rinsed using clear water, last heated-air drying;The wherein described antirust treatment liquid mass fraction
Group becomes:12~14 parts of sodium alginate, 7~9 parts of potassium silicate, 9~12 parts of chromic nitrate, 10~14 parts of sodium nitrate, chromium oxide 16~
18 parts, 12~16 parts of acetic acid, 10~15 parts of hydrogen peroxide, 1~2 part of triethanolamine, 100~120 parts of water;
(3) protective layer is coated:It is uniformly covered on copper product by way of infiltration, spraying or brushing obtained by step (2)
The transparent protective layer of last layer, the protective layer using import nanoscale antirust compound additive and feature of environmental protection solvent refining and
At infiltration is adsorbed on metal surface to nanoscale polymeric corrosion inhibitor rapidly, forms polar group, is locked in metal surface, nanometer
Grade material molecule arrangement uniform close, common hydrone, oxygen molecule and acid-base class etched the matrix can not penetrate between nano molecular
Gap, therefore, protective layer can persistently prevent the infiltration of water, air and acid-base class medium, improve the anti-of copper product surface
Rust performance.
A kind of anti-corrosion treatment process on above-mentioned copper product surface, the acid solution are the hydrochloric acid of mass concentration 0.6%~1%
Solution or acetum.
The thickness of a kind of anti-corrosion treatment process on above-mentioned copper product surface, the protective layer is 0.002~0.008mm.
A kind of anti-corrosion treatment process on above-mentioned copper product surface, the nanoscale antirust compound additive are hydroxyl silicic acid
Salt powder and metal nanoparticle.
A kind of anti-corrosion treatment process on above-mentioned copper product surface, the hydroxy silicate powder are specially hydroxyl silicic acid
Magnesium, the metal nanoparticle are one kind in Nanometer Copper, nano aluminum, nano nickel.
A kind of anti-corrosion treatment process on above-mentioned copper product surface, the feature of environmental protection solvent are N68Base oil, N46Basis
Oil, N32One kind in base oil.
The invention has the advantages that a kind of technological process of the anti-corrosion treatment process on copper product surface of the present invention is simple,
Using less toxic efficient antirust treatment liquid and nanometer materials molecule protective layer, not only derusting rust-proofing effect is good for the treatment process,
Rustless state retention time is long, also extends the service life of copper product.
Specific implementation mode
To make those skilled in the art be better understood from technical scheme of the present invention, With reference to embodiment to this
Invention elaborates.
【Embodiment 1】
A kind of anti-corrosion treatment process on copper product surface, specifically includes following steps:
(1) pre-processing:Copper product surface is refined using sand paper first, the patina of copper product surface bulge is beaten
Mill is clean;The clean copper product that will polish later, which is put into water tank, first to be washed one time with clear water, 60 DEG C of washing temperature, washing time
10min;The acetum of the copper product use quality a concentration of 0.8% after washing is cleaned again, then reuses clear water flushing
One time;Copper product is finally put into drying in oven, drying temperature is 110 DEG C, drying time 1h;
(2) immersion treatment of antirust treatment liquid:Copper product after step (1) is dried, which is put into antirust treatment liquid, to be impregnated
30min later takes out copper product, is rinsed using clear water, last heated-air drying;The wherein described antirust treatment liquid mass parts array
Become:14 parts of sodium alginate, 9 parts of potassium silicate, 12 parts of chromic nitrate, 14 parts of sodium nitrate, 18 parts of chromium oxide, 16 parts of acetic acid, hydrogen peroxide
15 parts, 2 parts of triethanolamine, 120 parts of water;
(3) protective layer is coated:It is uniformly covered with layer of transparent on copper product by way of brushing obtained by step (2)
Thickness is the protective layer of 0.008mm, and the protective layer is using import nanoscale antirust compound additive and feature of environmental protection solvent refining
It forms, the nanoscale antirust compound additive is hydroxy silicate powder and metal nanoparticle, specifically, the hydroxyl silicon
Silicate powder is specially hydroxyl magnesium silicate, and the metal nanoparticle is Nanometer Copper;The feature of environmental protection solvent is N68Base oil.
【Embodiment 2】
A kind of anti-corrosion treatment process on copper product surface, specifically includes following steps:
(1) pre-processing:Copper product surface is refined using sand paper first, the patina of copper product surface bulge is beaten
Mill is clean;The clean copper product that will polish later, which is put into water tank, first to be washed one time with clear water, 50 DEG C of washing temperature, washing time
15min;The acetum of the copper product use quality a concentration of 1% after washing is cleaned again, clear water is then reused and rinses one
Time;Copper product is finally put into drying in oven, drying temperature is 105 DEG C, drying time 1.5h;
(2) immersion treatment of antirust treatment liquid:Copper product after step (1) is dried, which is put into antirust treatment liquid, to be impregnated
25min later takes out copper product, is rinsed using clear water, last heated-air drying;The wherein described antirust treatment liquid mass parts array
Become:13 parts of sodium alginate, 8 parts of potassium silicate, 10 parts of chromic nitrate, 12 parts of sodium nitrate, 17 parts of chromium oxide, 14 parts of acetic acid, hydrogen peroxide
12 parts, 1.5 parts of triethanolamine, 110 parts of water;
(3) protective layer is coated:It is uniformly covered with layer of transparent on copper product by way of spraying obtained by step (2)
Thickness is the protective layer of 0.006mm, and the protective layer is using import nanoscale antirust compound additive and feature of environmental protection solvent refining
It forms, the nanoscale antirust compound additive is hydroxy silicate powder and metal nanoparticle, specifically, the hydroxyl silicon
Silicate powder is specially hydroxyl magnesium silicate, and the metal nanoparticle is nano nickel;The feature of environmental protection solvent is N46Base oil.
【Embodiment 3】
A kind of anti-corrosion treatment process on copper product surface, specifically includes following steps:
(1) pre-processing:Copper product surface is refined using sand paper first, the patina of copper product surface bulge is beaten
Mill is clean;The clean copper product that will polish later, which is put into water tank, first to be washed one time with clear water, 40 DEG C of washing temperature, washing time
20min;The hydrochloric acid solution of the copper product use quality a concentration of 0.6% after washing is cleaned again, then reuses clear water flushing
One time;Copper product is finally put into drying in oven, drying temperature is 100 DEG C, drying time 2h;
(2) immersion treatment of antirust treatment liquid:Copper product after step (1) is dried, which is put into antirust treatment liquid, to be impregnated
20min later takes out copper product, is rinsed using clear water, last heated-air drying;The wherein described antirust treatment liquid mass parts array
Become:12 parts of sodium alginate, 7 parts of potassium silicate, 9 parts of chromic nitrate, 10 parts of sodium nitrate, 16 parts of chromium oxide, 12 parts of acetic acid, hydrogen peroxide 10
Part, 1 part of triethanolamine, 100 parts of water;
(3) protective layer is coated:It is uniformly covered with layer of transparent on copper product by way of infiltration obtained by step (2)
Thickness is the protective layer of 0.002mm, and the protective layer is using import nanoscale antirust compound additive and feature of environmental protection solvent refining
It forms, the nanoscale antirust compound additive is hydroxy silicate powder and metal nanoparticle, specifically, the hydroxyl silicon
Silicate powder is specially hydroxyl magnesium silicate, and the metal nanoparticle is nano aluminum;The feature of environmental protection solvent is N32Base oil.
Above example is only exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (6)
1. a kind of anti-corrosion treatment process on copper product surface, which is characterized in that specifically include following steps:
(1) pre-processing:Copper product surface is refined using sand paper first, the patina of copper product surface bulge is polished dry
Only;The clean copper product that will polish later, which is put into water tank, first to be washed one time with clear water, 40~60 DEG C of washing temperature, washing time 10
~20min;The copper product after washing is cleaned using acid solution again, clear water is then reused and rinses one time;Finally copper product is put
Enter drying in oven, drying temperature is 100~110 DEG C, and drying time is 1~2h;
(2) immersion treatment of antirust treatment liquid:By step (1) dry after copper product be put into antirust treatment liquid impregnate 20~
30min later takes out copper product, is rinsed using clear water, last heated-air drying;The wherein described antirust treatment liquid mass parts array
Become:12~14 parts of sodium alginate, 7~9 parts of potassium silicate, 9~12 parts of chromic nitrate, 10~14 parts of sodium nitrate, chromium oxide 16~18
Part, 12~16 parts of acetic acid, 10~15 parts of hydrogen peroxide, 1~2 part of triethanolamine, 100~120 parts of water;
(3) protective layer is coated:Copper product surface by way of infiltration, spraying or brushing obtained by step (2) is uniformly covered with
The protective layer of layer of transparent, the protective layer are formed using import nanoscale antirust compound additive with feature of environmental protection solvent refining.
2. a kind of anti-corrosion treatment process on copper product surface according to claim 1, which is characterized in that the acid solution is matter
Measure the hydrochloric acid solution or acetum of concentration 0.6%~1%.
3. a kind of anti-corrosion treatment process on copper product surface according to claim 1, which is characterized in that the protective layer
Thickness is 0.002~0.008mm.
4. a kind of anti-corrosion treatment process on copper product surface according to claim 1, which is characterized in that the nanoscale is anti-
The compound additive that becomes rusty is hydroxy silicate powder and metal nanoparticle.
5. a kind of anti-corrosion treatment process on copper product surface according to claim 4, which is characterized in that the hydroxyl silicic acid
Salt powder is specially hydroxyl magnesium silicate, and the metal nanoparticle is one kind in Nanometer Copper, nano aluminum, nano nickel.
6. a kind of anti-corrosion treatment process on copper product surface according to claim 1, which is characterized in that the feature of environmental protection is molten
Agent is N68Base oil, N46Base oil, N32One kind in base oil.
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Cited By (4)
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CN109695030A (en) * | 2019-02-03 | 2019-04-30 | 宁国九鼎橡塑制品有限公司 | A kind of anti-processing method of getting rusty of bushing |
CN110923682A (en) * | 2019-12-20 | 2020-03-27 | 苏颖仪 | Surface rust-proof treatment process for mechanical parts |
CN112024341A (en) * | 2020-07-09 | 2020-12-04 | 中船第九设计研究院工程有限公司 | Surface treatment process of T-shaped component for ship |
CN112812606A (en) * | 2021-02-19 | 2021-05-18 | 湖北觉辰工艺有限公司 | Surface protective agent for copper imaging and protection method thereof |
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Cited By (4)
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