CN105568274A - Environment-friendly galvanizing passivator and preparation method thereof - Google Patents
Environment-friendly galvanizing passivator and preparation method thereof Download PDFInfo
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- CN105568274A CN105568274A CN201511033558.0A CN201511033558A CN105568274A CN 105568274 A CN105568274 A CN 105568274A CN 201511033558 A CN201511033558 A CN 201511033558A CN 105568274 A CN105568274 A CN 105568274A
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- water glass
- environmental protection
- passivator
- sodium sulfate
- acetic acid
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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
- C23C22/06—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 acidic solutions with pH less than 6
- C23C22/48—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 acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/53—Treatment of zinc or alloys based thereon
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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)
- Chemical Treatment Of Metals (AREA)
Abstract
The invention provides an environment-friendly galvanizing passivator and a preparation method thereof, and relates to the technical field of galvanizing surface treatment. The passivator comprises the following raw materials: 30-40 g/L of sodium silicate, 1-8 g/L of copper sulfate, 2-6 g/L of dilute acetic acid, 10-20 g/L of sodium peroxide, 8-15 g/L of sodium sulfate, 3-5 ml/L of concentrated sulfuric acid, and distilled water. The passivator is low in raw material cost, environment-friendly and simple in preparation process. A film formed by the passivator is excellent in gloss, uniform in surface and excellent in corrosion and wear resistance.
Description
Technical field
The present invention relates to galvanizing surface processing technology field, Zincing passivation agent being specifically related to a kind of environmental protection and preparation method thereof.
Background technology
Material rust corrosion in an atmosphere can be prevented alloy material surface is zinc-plated.Zinc is the amphoteric metal that can mix with bronsted lowry acids and bases bronsted lowry, and in a humid environment, zinc surface forms fine and close zinc subcarbonate film.Under hot and humid sour environment, zinc coating is easily corroded.Therefore, carry out going deep into Passivation Treatment after zinc-plated necessary, to extend its protective capacities.But passivator used at present production cost in preparation is higher, easily produces secondary pollutant, has pollution to environment, and make the luminance brightness of coatingsurface and regularity good not.
Summary of the invention
For the deficiencies in the prior art, Zincing passivation agent that the invention provides a kind of environmental protection and preparation method thereof, with low cost, decrease pollution on the environment, be conducive to the transparent light of coatingsurface regular simultaneously, improve anticorrosive wear-resistant performance.
For realizing above object, the present invention is achieved by the following technical programs:
A Zincing passivation agent for environmental protection, is made up of following raw material: water glass 30-40g/L, copper sulfate 1-8g/L, dilute acetic acid 2-6g/L, sodium peroxide 10-20g/L, sodium sulfate 8-15g/L, vitriol oil 3-5ml/L, distilled water.
Preferably, the Zincing passivation agent of described environmental protection is made up of following raw material: water glass 34g/L, copper sulfate 3g/L, dilute acetic acid 5g/L, sodium peroxide 15g/L, sodium sulfate 12g/L, vitriol oil 4ml/L, distilled water, and pH value is 1.5.
The preparation method of the Zincing passivation agent of environmental protection, comprises the following steps:
(1) under room temperature, joined by water glass in reactor, adopt magnetic stirrer, the rotating speed of control 10-20r/min, makes water glass fully dissolve;
(2) in reactor, add copper sulfate successively, dilute acetic acid, sodium peroxide, sodium sulfate, stir;
(3) pH value of reaction kettle for reaction liquid is regulated with the vitriol oil, obtained silicate passivation solution;
(4) by silicate passivation solution anhydrous sodium sulfate drying, then at room temperature passivation 30 seconds, weather aging 5-10 minute, obtains Zincing passivation agent.
The present invention compared with prior art, has the following advantages: (1) the present invention adopts water glass and copper sulfate as the main component of passivating solution, can significantly improve the film forming efficiency of passivator, make passive film glossiness good, surface uniform; (2) the present invention's composition used in passivating solution is that inorganics does not contain chromium, does not introduce new foreign-matter contamination, overcomes chromating technology toxicity and produces the shortcomings such as destruction greatly, to environment; (3) component cost of the present invention is cheap, is beneficial to universal use of putting into production.
Embodiment
In order to be illustrated more clearly in the present invention's technical scheme of the prior art, to be briefly described embodiment below, apparently, some embodiments in the following describes, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain according to these contents.
Embodiment 1:
The Zincing passivation agent of environmental protection, is made up of following raw material: water glass 30g/L, copper sulfate 8g/L, dilute acetic acid 6g/L, sodium peroxide 20g/L, sodium sulfate 15g/L, vitriol oil 5ml/L, distilled water, and pH value is 2.
Its preparation method is: under room temperature, is joined by water glass in reactor, and adopt magnetic stirrer, the rotating speed of control 10-20r/min, makes water glass fully dissolve; Then in reactor, add copper sulfate successively, dilute acetic acid, sodium peroxide, sodium sulfate, stir; The pH value of reaction kettle for reaction liquid is regulated, obtained silicate passivation solution by the vitriol oil; By the passivating solution that obtains first by anhydrous sodium sulfate drying, then at room temperature passivation 30 seconds, weather aging 5-10 minute, obtains Zincing passivation agent.
Embodiment 2:
The Zincing passivation agent of environmental protection, is made up of following raw material: water glass 40g/L, copper sulfate 4g/L, dilute acetic acid 4g/L, sodium peroxide 10g/L, sodium sulfate 8g/L, vitriol oil 3ml/L, distilled water, and pH value is 1.
Its preparation method is: under room temperature, is joined by water glass in reactor, and adopt magnetic stirrer, the rotating speed of control 10-20r/min, makes water glass fully dissolve; Then in reactor, add copper sulfate successively, dilute acetic acid, sodium peroxide, sodium sulfate, stir; The pH value of reaction kettle for reaction liquid is regulated, obtained silicate passivation solution by the vitriol oil; By the passivating solution that obtains first by anhydrous sodium sulfate drying, then passivation 30 seconds at 60-70 DEG C, weather aging 5-10 minute, obtains Zincing passivation agent.
Embodiment 3:
The Zincing passivation agent of environmental protection, is made up of following raw material: water glass 34g/L, copper sulfate 3g/L, dilute acetic acid 5g/L, sodium peroxide 15g/L, sodium sulfate 12g/L, vitriol oil 4ml/L, distilled water, and pH value is 1.5.
Its preparation method is: under room temperature, is joined by water glass in reactor, and adopt magnetic stirrer, the rotating speed of control 10-20r/min, makes water glass fully dissolve; Then in reactor, add copper sulfate successively, dilute acetic acid, sodium peroxide, sodium sulfate, stir; The pH value of reaction kettle for reaction liquid is regulated, obtained silicate passivation solution by the vitriol oil; By the passivating solution that obtains first by anhydrous sodium sulfate drying, then passivation 30 seconds at 50 DEG C, weather aging 5-10 minute, obtains Zincing passivation agent.
The present invention compared with prior art, has the following advantages: the main component of passivating solution of the present invention is inorganics, and new foreign-matter contamination is not introduced in environmental protection; Component cost is cheap, is beneficial to universal use of putting into production; The film forming efficiency of gained passivator and glossiness good, surface uniform.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a Zincing passivation agent for environmental protection, is characterized in that, is made up of following raw material: water glass 30-40g/L, copper sulfate 1-8g/L, dilute acetic acid 2-6g/L, sodium peroxide 10-20g/L, sodium sulfate 8-15g/L, vitriol oil 3-5ml/L, distilled water.
2. the Zincing passivation agent of environmental protection as claimed in claim 1, it is characterized in that, the pH value of described passivator system is 1-2.
3. the Zincing passivation agent of environmental protection as claimed in claim 1, it is characterized in that, be made up of following raw material: water glass 34g/L, copper sulfate 3g/L, dilute acetic acid 5g/L, sodium peroxide 15g/L, sodium sulfate 12g/L, vitriol oil 4ml/L, distilled water, pH value is 1.5.
4. a preparation method for the Zincing passivation agent of the environmental protection as described in as arbitrary in claim 1-3, is characterized in that, comprise the following steps:
(1) under room temperature, joined by water glass in reactor, adopt magnetic stirrer, the rotating speed of control 10-20r/min, makes water glass fully dissolve;
(2) in the reactor of step (1), add copper sulfate, dilute acetic acid, sodium peroxide, sodium sulfate successively, stir;
(3) pH value of reaction kettle for reaction liquid is regulated with the vitriol oil, obtained silicate passivation solution;
(4) by the silicate passivation solution anhydrous sodium sulfate drying in step (3), at room temperature passivation 30 seconds, weather aging 5-10 minute, obtains Zincing passivation agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033558.0A CN105568274A (en) | 2015-12-31 | 2015-12-31 | Environment-friendly galvanizing passivator and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033558.0A CN105568274A (en) | 2015-12-31 | 2015-12-31 | Environment-friendly galvanizing passivator and preparation method thereof |
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| CN105568274A true CN105568274A (en) | 2016-05-11 |
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| CN201511033558.0A Pending CN105568274A (en) | 2015-12-31 | 2015-12-31 | Environment-friendly galvanizing passivator and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254426A (en) * | 2020-02-04 | 2020-06-09 | 桂林理工大学 | Silicate color passivation method for Zn-SiC composite coating |
| CN114807919A (en) * | 2021-01-21 | 2022-07-29 | 邓茜丹 | Air gouging carbon rod copper plating surface anti-blushing agent and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998013534A2 (en) * | 1996-09-26 | 1998-04-02 | Henkel Kommanditgesellschaft Auf Aktien | Method for phosphating a steel band |
| CN101876071A (en) * | 2009-11-24 | 2010-11-03 | 昆明理工大学 | Environmentally-friendly black chrome-silver-free zinc-plating passivation solution and preparation method thereof |
| CN102268664A (en) * | 2011-07-28 | 2011-12-07 | 顺德职业技术学院 | Chromium-free passivating solution used for black passivation treatment of zinc plating and preparation method thereof |
| CN104250755A (en) * | 2013-06-28 | 2014-12-31 | 无锡杨市表面处理科技有限公司 | Passivation technology of aluminum alloy cylinder cover |
-
2015
- 2015-12-31 CN CN201511033558.0A patent/CN105568274A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998013534A2 (en) * | 1996-09-26 | 1998-04-02 | Henkel Kommanditgesellschaft Auf Aktien | Method for phosphating a steel band |
| CN101876071A (en) * | 2009-11-24 | 2010-11-03 | 昆明理工大学 | Environmentally-friendly black chrome-silver-free zinc-plating passivation solution and preparation method thereof |
| CN102268664A (en) * | 2011-07-28 | 2011-12-07 | 顺德职业技术学院 | Chromium-free passivating solution used for black passivation treatment of zinc plating and preparation method thereof |
| CN104250755A (en) * | 2013-06-28 | 2014-12-31 | 无锡杨市表面处理科技有限公司 | Passivation technology of aluminum alloy cylinder cover |
Non-Patent Citations (1)
| Title |
|---|
| 裘著革等: "《环境卫生纳米应用技术》", 31 May 2004, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254426A (en) * | 2020-02-04 | 2020-06-09 | 桂林理工大学 | Silicate color passivation method for Zn-SiC composite coating |
| CN114807919A (en) * | 2021-01-21 | 2022-07-29 | 邓茜丹 | Air gouging carbon rod copper plating surface anti-blushing agent and preparation method and application thereof |
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Application publication date: 20160511 |
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