CN106400027A - Efficient metal corrosion inhibitor and preparation method thereof - Google Patents
Efficient metal corrosion inhibitor and preparation method thereof Download PDFInfo
- Publication number
- CN106400027A CN106400027A CN201611058514.8A CN201611058514A CN106400027A CN 106400027 A CN106400027 A CN 106400027A CN 201611058514 A CN201611058514 A CN 201611058514A CN 106400027 A CN106400027 A CN 106400027A
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- CN
- China
- Prior art keywords
- metal corrosion
- efficient metal
- parts
- corrosion inhibiter
- monoethanolamine
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- 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
- 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
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
Abstract
The invention relates to an efficient metal corrosion inhibitor, which is prepared from the following raw materials in parts by weight: 15 to 25 parts of sodium tungstate, 40 to 60 parts of ethylene glycol, 7 to 15 parts of ethyl alcohol, 20 to 30 parts of monoethanolamine, 4 to 9 parts of ammonium citrate, 40 to 60 parts of zirconium carbonate, and 250 to 350 parts of water. A preparation method comprises the following steps of adding the water in a glass container, adding the sodium tungstate, and stirring for dissolving; and then sequentially adding the ethylene glycol, the ethyl alcohol, the monoethanolamine, the ammonium citrate and the zirconium carbonate, and stirring for dissolving to obtain the efficient metal corrosion inhibitor provided by the invention. The efficient metal corrosion inhibitor provided by the invention has no need to be water-washed after being used, and can be directly sprayed with oil paint, the oil paint cannot be bubbled or fallen off, and the painting film adhering capacity achieves 0 degree.
Description
Technical field
The invention belongs to corrosion inhibition for metal technical field is and in particular to a kind of efficient metal corrosion inhibiter and preparation method thereof.
Background technology
Common engineering component of machine before assembly, spray paint again after will being carried out.These parts are adding
The part surface heavy oil weight dirt of work is dry and hard, and grease is difficult to remove.Now general Famous Construction Machinery Manufacturers all adopt at shot-peening sandblasting
Reason removes the grease on surface, reuses specialty metal corrosion inhibiter to carry out oil removing and antirust treatment, need not wash, after drying directly
Spray paint.
General metal inhibitor on the market or antirust agent can also carry out antirust treatment, but poor with the matching of paint, prevent
Rust does not wash direct spraying paint after processing, can cause bubbling, come off.
Content of the invention
An object of the present invention is to overcome the deficiencies in the prior art, provides a kind of metal inhibitor, and this corrosion inhibiter makes
With after need not wash, can direct spraying paint, paint the phenomenon such as no bubbles, comes off, and paint film adhesion reaches 0 grade.
The second object of the present invention is to provide the preparation method of above-mentioned corrosion inhibiter.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of efficient metal corrosion inhibiter, in terms of parts by weight, is made up of following raw material：
Sodium tungstate 15-25 part, ethylene glycol 40-60, ethanol 7-15 part, monoethanolamine 20-30 part, ammonium citrate 4-9 part, zirconium carbonate
40-60 part, water 250-350 part.
Wherein sodium tungstate preferred 20-25 part；
Wherein ethylene glycol preferred 50-60 part；
Wherein ethanol preferred 9-12 part；
Wherein monoethanolamine preferred 25-30 part；
Wherein ammonium citrate preferred 5-7 part；
Wherein zirconium carbonate preferred 45-55 part.
Efficient metal corrosion inhibiter preparation method of the present invention is as follows：
In glass container add water, add sodium tungstate stirring and dissolving, then be separately added into successively ethylene glycol, ethanol, monoethanolamine,
Ammonium citrate and zirconium carbonate stirring and dissolving, obtain final product the efficient metal corrosion inhibiter of the present invention.
The using method of efficient metal corrosion inhibiter of the present invention is：By the efficient metal corrosion inhibiter of the present invention with water in mass ratio
1：（5-50）Carry out joining groove, do not heat or be heated up to 50-60 DEG C, pending workpiece is soaked 3-10 minute, take out and dry, then
Spray paint.
The beneficial effect of efficient metal corrosion inhibiter of the present invention is：
1st, oil removing ability is good；
2nd, good antirust property；
3rd, need not wash after using, can direct spraying paint, paint no bubbles the phenomenon such as come off, and paint film adhesion reaches 0 grade；
4th, simplify twice washing process, reduce pre-treatment cost；
5th, need not wash, workpiece can be avoided again to return rust in water-washing process.
Specific embodiment
Below by embodiment, the invention will be further described, but not as a limitation of the invention.
The unit of each dispensing numerical value is g.
The composition of table 1 embodiment 1-8 efficient metal corrosion inhibiter
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Sodium tungstate | 20 | 16 | 17 | 18 | 17 | 16 | 22 |
| Ethylene glycol | 50 | 45 | 47 | 45 | 55 | 53 | 51 |
| Ethanol | 10 | 11 | 8 | 9 | 9 | 8 | 7 |
| Monoethanolamine | 25 | 27 | 30 | 24 | 26 | 24 | 25 |
| Ammonium citrate | 5 | 7 | 6 | 9 | 5 | 5 | 5 |
| Zirconium carbonate | 50 | 55 | 54 | 53 | 52 | 51 | 50 |
| Water | 300 | 290 | 295 | 305 | 310 | 315 | 300 |
Table 2 embodiment 8-12 and the composition of comparative example 1-3 efficient metal corrosion inhibiter
| Embodiment | 8 | 9 | 10 | 11 | 12 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Sodium tungstate | 20 | 20 | 20 | 22 | 22 | 10 | 22 | - |
| Sodium molybdate | - | - | - | - | - | - | - | 22 |
| Ethylene glycol | 60 | 45 | 55 | 55 | 50 | 50 | 50 | 50 |
| Ethanol | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Monoethanolamine | 27 | 27 | 26 | 20 | 25 | 25 | 25 | 25 |
| Ammonium citrate | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Zirconium carbonate | 55 | 50 | 50 | 50 | 50 | 50 | 30 | 30 |
| Water | 295 | 290 | 295 | 305 | 300 | 300 | 300 | 300 |
Comparative example 1 reduces the consumption of sodium tungstate on the basis of embodiment 12, and comparative example 2 reduces on the basis of embodiment 12
The consumption of zirconium carbonate, comparative example 3 instead of sodium tungstate with sodium molybdate on the basis of embodiment 12.
Described in above example 1-12, comparative example 1-3, the using method of each metal inhibitor is as follows：
By the efficient metal corrosion inhibiter of the present invention and water in mass ratio 1：20 carry out joining groove, do not heat, by pending workpiece leaching
Bubble 7 minutes, takes out and dries, then spray paint.Pending workpiece is to have removed good oil except the iron workpiece of good rust, the finish paint of spraying
For polyurethane paint.
Effect is shown in Table 3, table 4 respectively.
The using effect of table 3 embodiment 1-7 efficient metal corrosion inhibiter
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Washing oil rate | 99.9% | 99.9% | 99.9% | 99.9% | 99.9% | 99.9% | 99.9% |
| Naturally get rusty the time | 11 days | 10 days | 10 days | 10 days | 10 days | 10 days | 10 days |
| Paint film adhesion | 0 grade | 0 grade | 0 grade | 0 grade | 0 grade | 0 grade | 0 grade |
| Whether wash before spray paint | No | No | No | No | No | No | No |
Table 4 embodiment 8-12 and the using effect of comparative example 1-3 efficient metal corrosion inhibiter
| Embodiment | 8 | 9 | 10 | 11 | 12 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Washing oil rate | 99.9% | 99.9% | 99.9% | 99.9% | 99.9% | 95% | 95% | 96% |
| Naturally get rusty the time | 10 days | 10 days | 9 days | 10 days | 10 days | 4 days | 3 days | 4 days |
| Paint film adhesion | 0 grade | 0 grade | 0 grade | 0 grade | 0 grade | 0 grade | 0 grade | 0 grade |
| Whether wash before spray paint | No | No | No | No | No | It is | It is | It is |
In table 4, using before rear spray paint, if do not washed, finish paint can bubble and come off comparative example 1-3.
The method of testing of projects in table：
Naturally get rusty the time：Can according to relevant provision in GB/T 9276-1996 coating natural climate exposure test method simulate into
OK；
Paint film adhesion：GB/T 9286-1998 《The cross cut test of colored paint varnish paint film》Tested；
Washing oil rate：According to JB/T 4323-1999《Water base metal cleaning agent test method》Tested.
Although the present invention and its advantage are described in detail it should be appreciated that not surpassing with reference to specifically embodiment
Various changes, replacement and change can be carried out in the case of going out the spirit and scope of the present invention defined by the appended claims
Change.One of ordinary skilled in the art will readily appreciate that from the disclosure, can be using execution according to the present invention
The function essentially identical to corresponding embodiment described herein or obtain essentially identical with it result, existing and want in the future
The method and steps being developed.Therefore, appended claim is intended in the range of them include such method and steps.
Claims (8)
1. a kind of efficient metal corrosion inhibiter is it is characterised in that in terms of parts by weight, be made up of following raw material：Sodium tungstate 15-25 part,
Ethylene glycol 40-60, ethanol 7-15 part, monoethanolamine 20-30 part, ammonium citrate 4-9 part, zirconium carbonate 40-60 part, water 250-350
Part.
2. efficient metal corrosion inhibiter according to claim 1 is it is characterised in that described sodium tungstate is 20-25 part.
3. efficient metal corrosion inhibiter according to claim 1 is it is characterised in that described ethylene glycol is 50-60 part.
4. efficient metal corrosion inhibiter according to claim 1 is it is characterised in that described ethanol is 9-12 part.
5. efficient metal corrosion inhibiter according to claim 1 is it is characterised in that described monoethanolamine 25-30 part.
6. efficient metal corrosion inhibiter according to claim 1 is it is characterised in that described ammonium citrate is 5-7 part.
7. efficient metal corrosion inhibiter according to claim 1, described zirconium carbonate is 45-55 part.
8. according to claim 1 the preparation method of efficient metal corrosion inhibiter it is characterised in that comprising the steps：In glass
Add water in glass container, add sodium tungstate stirring and dissolving, then be separately added into ethylene glycol, ethanol, monoethanolamine, ammonium citrate successively
With zirconium carbonate stirring and dissolving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611058514.8A CN106400027A (en) | 2016-11-27 | 2016-11-27 | Efficient metal corrosion inhibitor and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611058514.8A CN106400027A (en) | 2016-11-27 | 2016-11-27 | Efficient metal corrosion inhibitor and preparation method thereof |
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| CN106400027A true CN106400027A (en) | 2017-02-15 |
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| CN201611058514.8A Pending CN106400027A (en) | 2016-11-27 | 2016-11-27 | Efficient metal corrosion inhibitor and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095670A (en) * | 2017-12-13 | 2018-12-28 | 襄阳光瑞汽车零部件有限公司 | The technique of light electrolysis and combinations thereof pretreatment electrophoresis waste water |
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| US6074495A (en) * | 1998-09-22 | 2000-06-13 | Chung Shan Institute Of Science & Technology | Method for enhancing the corrosion resistance of chemical conversion coating aluminum |
| CN101307449A (en) * | 2007-05-17 | 2008-11-19 | 首钢总公司 | Silicon-tungsten corrosion inhibitor for circulation cooling system of demineralized water |
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| CN102899652A (en) * | 2012-09-14 | 2013-01-30 | 中国重汽集团济南动力有限公司 | Preparation method and application of water-based antirust agent used before coating |
| CN103882452A (en) * | 2014-03-13 | 2014-06-25 | 陕西省石油化工研究设计院 | Citric acid acid-pickling inhibitor |
| CN105803442A (en) * | 2016-05-25 | 2016-07-27 | 博罗县东明化工有限公司 | Zr-Ti passive film treating agent for aluminum or aluminum alloy and treating method thereof |
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2016
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| US4183772A (en) * | 1978-01-30 | 1980-01-15 | Union Carbide Corporation | Composition and method for coating metal surfaces |
| US6074495A (en) * | 1998-09-22 | 2000-06-13 | Chung Shan Institute Of Science & Technology | Method for enhancing the corrosion resistance of chemical conversion coating aluminum |
| CN101307449A (en) * | 2007-05-17 | 2008-11-19 | 首钢总公司 | Silicon-tungsten corrosion inhibitor for circulation cooling system of demineralized water |
| CN102168272A (en) * | 2011-03-22 | 2011-08-31 | 中国石油集团工程设计有限责任公司 | Corrosion inhibitor for sour oil and gas fields |
| CN102899652A (en) * | 2012-09-14 | 2013-01-30 | 中国重汽集团济南动力有限公司 | Preparation method and application of water-based antirust agent used before coating |
| CN103882452A (en) * | 2014-03-13 | 2014-06-25 | 陕西省石油化工研究设计院 | Citric acid acid-pickling inhibitor |
| CN105803442A (en) * | 2016-05-25 | 2016-07-27 | 博罗县东明化工有限公司 | Zr-Ti passive film treating agent for aluminum or aluminum alloy and treating method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095670A (en) * | 2017-12-13 | 2018-12-28 | 襄阳光瑞汽车零部件有限公司 | The technique of light electrolysis and combinations thereof pretreatment electrophoresis waste water |
| CN109095669A (en) * | 2017-12-13 | 2018-12-28 | 襄阳光瑞汽车零部件有限公司 | The technique of light electrolysis and combinations thereof pretreatment electrophoresis waste water |
| CN109095668A (en) * | 2017-12-13 | 2018-12-28 | 襄阳光瑞汽车零部件有限公司 | The technique of light electrolysis and combinations thereof pretreatment electrophoresis waste water |
| CN109095668B (en) * | 2017-12-13 | 2021-04-02 | 襄阳光瑞汽车零部件有限公司 | Micro-electrolysis and combined electrophoresis wastewater pretreatment process comprising sludge-water separation step |
| CN109095670B (en) * | 2017-12-13 | 2021-04-02 | 襄阳光瑞汽车零部件有限公司 | Micro-electrolysis and combined electrophoresis wastewater pretreatment process comprising supernatant filtering step |
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Application publication date: 20170215 |