CN107502882A - A kind of stainless steel Low corrison liquid and preparation method thereof - Google Patents
A kind of stainless steel Low corrison liquid and preparation method thereof Download PDFInfo
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- CN107502882A CN107502882A CN201710655307.9A CN201710655307A CN107502882A CN 107502882 A CN107502882 A CN 107502882A CN 201710655307 A CN201710655307 A CN 201710655307A CN 107502882 A CN107502882 A CN 107502882A
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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
- C23C22/24—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 containing hexavalent chromium compounds
- C23C22/33—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 containing hexavalent chromium compounds containing also phosphates
-
- 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
- C23F11/10—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 using organic inhibitors
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The invention discloses a kind of stainless steel Low corrison liquid, including corrosion inhibiter and passivator, the formula of the corrosion inhibiter are as follows：2 ~ 3 parts of glutamic acid, 1 ~ 2 part of cysteine, 1 ~ 3 part of tartaric acid, 0.5 ~ 2 part of dipotassium hydrogen phosphate, phosphatase 11 ~ 3 part, 1 ~ 2 part of methenamine, 0.1 ~ 0.5 part of thiocarbamide, 1 ~ 2 part of aniline, 1 ~ 3 part of ethanol, 2 ~ 3 parts of water；The formula of the passivator is as follows：1 ~ 2 part of ethylene diamine tetra methylene phosphonic acid, 0.1 ~ 0.5 part of calcium carbonate, 1 ~ 2 part of potassium chromate, 1 ~ 2 part of zinc nitrate, 0.1 ~ 0.3 part of barium sulfate, 0.1 ~ 0.3 part of EDTA, 3 ~ 5 parts of water.Both are mixed during the stainless steel Low corrison liquid use, the passivating solution has nontoxic, environmentally friendly, the advantage such as good passivation effect.
Description
Technical field
The invention belongs to stainless steel manufacturing technology field, and in particular to a kind of stainless steel Low corrison liquid and its preparation side
Method.
Background technology
Stainless steel has the characteristic such as good corrosion-resistant, high temperature resistant, low temperature resistant, wear-resistant exquisite appearance, and purposes is very extensive,
It is the important ferrous materials of the economic all departments' development of allergy.Stainless steel material aerospace, atomic energy, ocean development, petrochemical industry,
The industries such as automobile, building decoration, household electrical appliance, kitchen utensil are widely used.
Stainless steel can cause surface defect in process, Corrosion Potential, black oxidation skin and other metallization occur
Grease when compound, yellow weld seam and cold-drawn etc., in order to improve the outward appearance of stainless steel and corrosion resistance, the stainless steel after processing is necessary
Carry out acid wash passivation processing.The surface after processing is set to form one layer of passivating film using chromium as main matter, prevention and other materials
Reaction, reaches passivation purpose, is allowed to bright pure white so as to improve the surface anticorrosion quality of stainless steel products, extension device uses the longevity
Life.Acid-washing stainless steel is usually to be handled using acid wash passivation cream and acid wash passivation liquid.
Acid wash passivation liquid of the prior art has strong impulse smell, is unfavorable for the health of worker, to ring
There is destruction in border, therefore needs badly and provide a kind of environmentally friendly, nontoxic acid-washing stainless steel passivating solution.
The content of the invention
Technical problem：A kind of environmentally friendly, nontoxic stainless steel Low corrison liquid and preparation method thereof is provided.
Technical scheme：A kind of stainless steel Low corrison liquid, including corrosion inhibiter and passivator, the formula of the corrosion inhibiter is such as
Under：2 ~ 3 parts of glutamic acid, 1 ~ 2 part of cysteine, 1 ~ 3 part of tartaric acid, 0.5 ~ 2 part of dipotassium hydrogen phosphate, phosphatase 11 ~ 3 part, methenamine
1 ~ 2 part, 0.1 ~ 0.5 part of thiocarbamide, 1 ~ 2 part of aniline, 1 ~ 3 part of ethanol, 2 ~ 3 parts of water；
The formula of the passivator is as follows：1 ~ 2 part of ethylene diamine tetra methylene phosphonic acid, 0.1 ~ 0.5 part of calcium carbonate, 1 ~ 2 part of potassium chromate, nitre
Sour 1 ~ 2 part of zinc, 0.1 ~ 0.3 part of barium sulfate, 0.1 ~ 0.3 part of EDTA, 3 ~ 5 parts of water.
Ethylene diamine tetra methylene phosphonic acid is a kind of new surfactant, is favorably improved the surface tension of passivating solution, carries
High passivation effect.EDTA helps to strengthen the stability of passivator, reduces the precipitation of passivator.
Corrosion inhibiter Glutamic Acid, cysteine belong to weak acid, relative to traditional HNO3, HF have environmental protection, protection behaviour
Health of author etc. acts on.
Preferably, 3 parts of glutamic acid, Cys2 part, 3 parts of tartaric acid, 2 parts of dipotassium hydrogen phosphate, 3 parts of phosphoric acid, Wu Luotuo
2 parts of product, 0.5 part of thiocarbamide, 2 parts of aniline, 3 parts of ethanol, 3 parts of water；
The formula of the passivator is as follows：2 parts of ethylene diamine tetra methylene phosphonic acid, 0.5 part of calcium carbonate, 2 parts of potassium chromate, 2 parts of zinc nitrate,
0.3 part of barium sulfate, 0.3 part of EDTA, 5 parts of water.
Preferably, 3 parts of glutamic acid, Cys2 part, 3 parts of tartaric acid, 2 parts of dipotassium hydrogen phosphate, 3 parts of phosphoric acid, Wu Luotuo
2 parts of product, 0.5 part of thiocarbamide, 2 parts of aniline, 3 parts of ethanol, 3 parts of water；
The formula of the passivator is as follows：2 parts of ethylene diamine tetra methylene phosphonic acid, 0.5 part of calcium carbonate, 2 parts of potassium chromate, 2 parts of zinc nitrate,
0.3 part of barium sulfate, EDTA0.3 parts, 5 parts of water.
The preparation method of above-mentioned stainless steel Low corrison liquid, it is characterised in that the preparation method of corrosion inhibiter is as follows：
Glutamic acid, cysteine, tartaric acid, dipotassium hydrogen phosphate, potassium dihydrogen phosphate are proportionally added into water and ethanol in mass ratio
Mixture in, be warming up to 20 ~ 30 DEG C, sequentially add methenamine, thiocarbamide, aniline, water, be uniformly mixed；
The preparation method of the passivator is as follows：In mass ratio by quaternary ammonium salt cationic ethylene diamine tetra methylene phosphonic acid surface-active
Agent, calcium carbonate, potassium chromate, zinc nitrate, barium sulfate, EDTA are added to the water, and are uniformly mixed.
Beneficial effect：
The invention provides a kind of stainless steel Low corrison liquid, the passivating solution is divided into corrosion inhibiter and passivator, incite somebody to action both during use
Mixing, the passivating solution have nontoxic, environmentally friendly, the advantage such as good passivation effect.
Embodiment
According to following embodiments, the present invention may be better understood.It is however, as it will be easily appreciated by one skilled in the art that real
Apply the content described by example and be merely to illustrate the present invention, without should be also without limitation on sheet described in detail in claims
Invention.
Embodiment 1：
The formula of corrosion inhibiter is as follows：1 part of glutamic acid, 5 parts of cysteine, 2 parts of tartaric acid, 0.8 part of dipotassium hydrogen phosphate, biphosphate
0.2 part of potassium, 2 parts of methenamine, 0.8 part of thiocarbamide, 1.5 parts of aniline, 1 part of ethanol, 2 parts of water；
The formula of passivator is as follows：2 parts of quaternary ammonium salt cationic ethylene diamine tetra methylene phosphonic acid surfactant, 0.3 part of calcium carbonate,
1.5 parts of potassium chromate, 1.8 parts of zinc nitrate, 0.2 part of barium sulfate, 0.2 part of EDTA, 3 parts of water.
By corrosion inhibiter and passivator according to 1:1 ratio mixing, had both obtained stainless steel Low corrison liquid of the present invention.
Embodiment 2：
The formula of corrosion inhibiter is as follows：2 parts of glutamic acid, 6 parts of cysteine, 3 parts of tartaric acid, 1 part of dipotassium hydrogen phosphate, potassium dihydrogen phosphate
0.3 part, 2 parts of methenamine, 1 part of thiocarbamide, 2 parts of aniline, 2 parts of ethanol, 3 parts of water；
The formula of passivator is as follows：3 parts of quaternary ammonium salt cationic ethylene diamine tetra methylene phosphonic acid surfactant, 0.5 part of calcium carbonate,
2 parts of potassium chromate, 2 parts of zinc nitrate, 0.3 part of barium sulfate, 0.5 part of EDTA, 5 parts of water.
By corrosion inhibiter and passivator according to 1:1 ratio mixing, had both obtained stainless steel Low corrison liquid of the present invention.
Embodiment 3：
The proportioning of corrosion inhibiter and passivator is adjusted, is shown in Table 1, the ratio pair of corrosion inhibiter and passivator is detected using national standard experimental method
The influence of film properties is passivated, testing result is shown in Table 2.
The corrosion inhibiter of table 1 and the proportioning of passivation
| Numbering | Corrosion inhibiter | Passivator |
| 1 | 0 | 1 |
| 2 | 1 | 1 |
| 3 | 1 | 2 |
| 4 | 1 | 3 |
Passivating film performance comparison under the normal temperature treatment conditions of table 2
From Table 2, it can be seen that the ratio of adjustment corrosion inhibiter and passivator, in the case of no corrosion inhibiter, passivating film is obvious
It is obscure, lackluster, illustrate that formation of the corrosion inhibiter to passivating film also has indelible effect.
Embodiment 4：The influence of glutamic acid, cysteine to passivation film properties.
The ratio of glutamic acid, cysteine in corrosion inhibiter is adjusted, the ratio of remaining component is as follows：3 parts of tartaric acid, phosphoric acid
2 parts of hydrogen dipotassium, 3 parts of phosphoric acid, 2 parts of methenamine, 0.5 part of thiocarbamide, 2 parts of aniline, 3 parts of ethanol, 3 parts of water.
Regulation ratio is as shown in table 3, and testing result is shown in Table 4.
The glutamic acid of table 3, cysteine mass ratio
| Numbering | Glutamic acid | Cysteine |
| 5 | 0 | 2 |
| 6 | 3 | 0 |
| 7 | 0 | 0 |
| 8 | 3 | 2 |
The influence of the glutamic acid of table 4, cysteine to passivation film properties
Embodiment 5：Influence of the ethylene diamine tetra methylene phosphonic acid to passivation film properties
Concentration of the ethylene diamine tetra methylene phosphonic acid in passivator is adjusted, the content of remaining component is by as follows：0.5 part of calcium carbonate, chromium
Sour 2 parts of potassium, 2 parts of zinc nitrate, 0.3 part of barium sulfate, EDTA0.3 parts, 5 parts of water.
The content of the ethylene diamine tetra methylene phosphonic acid of table 5
| Numbering | Ethylene diamine tetra methylene phosphonic acid |
| 9 | 0 |
| 10 | 1 |
| 11 | 2 |
| 12 | 3 |
Influence of the ethylene diamine tetra methylene phosphonic acid of table 6 to passivation film properties
Claims (4)
1. a kind of stainless steel Low corrison liquid, it is characterised in that including corrosion inhibiter and passivator, the formula of the corrosion inhibiter is such as
Under：2 ~ 3 parts of glutamic acid, 1 ~ 2 part of cysteine, 1 ~ 3 part of tartaric acid, 0.5 ~ 2 part of dipotassium hydrogen phosphate, phosphatase 11 ~ 3 part, methenamine
1 ~ 2 part, 0.1 ~ 0.5 part of thiocarbamide, 1 ~ 2 part of aniline, 1 ~ 3 part of ethanol, 2 ~ 3 parts of water；
The formula of the passivator is as follows：1 ~ 2 part of ethylene diamine tetra methylene phosphonic acid, 0.1 ~ 0.5 part of calcium carbonate, 1 ~ 2 part of potassium chromate, nitre
Sour 1 ~ 2 part of zinc, 0.1 ~ 0.3 part of barium sulfate, 0.1 ~ 0.3 part of EDTA, 3 ~ 5 parts of water.
2. stainless steel Low corrison liquid according to claim 1, it is characterised in that the formula of the corrosion inhibiter is as follows：Paddy
3 parts of propylhomoserin, Cys2 part, 3 parts of tartaric acid, 2 parts of dipotassium hydrogen phosphate, 3 parts of phosphoric acid, 2 parts of methenamine, 0.5 part of thiocarbamide, benzene
2 parts of amine, 3 parts of ethanol, 3 parts of water；
The formula of the passivator is as follows：2 parts of ethylene diamine tetra methylene phosphonic acid, 0.5 part of calcium carbonate, 2 parts of potassium chromate, 2 parts of zinc nitrate,
0.3 part of barium sulfate, 0.3 part of EDTA, 5 parts of water.
3. stainless steel Low corrison liquid according to claim 1, it is characterised in that the formula of the corrosion inhibiter is as follows：Paddy
3 parts of propylhomoserin, Cys2 part, 3 parts of tartaric acid, 2 parts of dipotassium hydrogen phosphate, 3 parts of phosphoric acid, 2 parts of methenamine, 0.5 part of thiocarbamide, benzene
2 parts of amine, 3 parts of ethanol, 3 parts of water；
The formula of the passivator is as follows：2 parts of ethylene diamine tetra methylene phosphonic acid, 0.5 part of calcium carbonate, 2 parts of potassium chromate, 2 parts of zinc nitrate,
0.3 part of barium sulfate, EDTA0.3 parts, 5 parts of water.
4. the preparation method of stainless steel Low corrison liquid described in claim 1, it is characterised in that the preparation method of corrosion inhibiter is such as
Under：
Glutamic acid, cysteine, tartaric acid, dipotassium hydrogen phosphate, potassium dihydrogen phosphate are proportionally added into water and ethanol in mass ratio
Mixture in, be warming up to 20 ~ 30 DEG C, sequentially add methenamine, thiocarbamide, aniline, water, be uniformly mixed；
The preparation method of the passivator is as follows：In mass ratio by ethylene diamine tetra methylene phosphonic acid, calcium carbonate, potassium chromate, zinc nitrate,
Barium sulfate, EDTA are added to the water, and are uniformly mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710655307.9A CN107502882A (en) | 2017-08-03 | 2017-08-03 | A kind of stainless steel Low corrison liquid and preparation method thereof |
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|---|---|---|---|
| CN201710655307.9A CN107502882A (en) | 2017-08-03 | 2017-08-03 | A kind of stainless steel Low corrison liquid and preparation method thereof |
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Citations (7)
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| CN101033551A (en) * | 2007-04-16 | 2007-09-12 | 重庆大学 | Acid pickling inhibitor and preparation method thereof |
| CN101476119A (en) * | 2009-01-23 | 2009-07-08 | 上海化学试剂研究所 | Surface passivation treatment fluid for martensitic stainless steel parts, preparation and use |
| CN102560519A (en) * | 2010-12-10 | 2012-07-11 | 安集微电子（上海）有限公司 | Metal anticorrosive rinse-solution |
| CN104673505A (en) * | 2013-11-26 | 2015-06-03 | 比亚迪股份有限公司 | Degreaser and preparation method thereof |
| CN103820774A (en) * | 2014-02-26 | 2014-05-28 | 苏州禾川化学技术服务有限公司 | Stainless steel pickling passivation cream with high transparency and high viscosity and preparation method thereof |
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