CN102677072A - Formula of green corrosion inhibition cleaning agent for hot-dip coated steel and application thereof - Google Patents
Formula of green corrosion inhibition cleaning agent for hot-dip coated steel and application thereof Download PDFInfo
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- CN102677072A CN102677072A CN2012101488155A CN201210148815A CN102677072A CN 102677072 A CN102677072 A CN 102677072A CN 2012101488155 A CN2012101488155 A CN 2012101488155A CN 201210148815 A CN201210148815 A CN 201210148815A CN 102677072 A CN102677072 A CN 102677072A
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Abstract
The invention discloses a green corrosion inhibitor for hot-dip galvanized aluminum alloy steel and an application thereof. Main components of the green corrosion inhibitor comprise vitamin B4 and vitamin C, and the compounding ratio is (1:1)-(5:1). The application is as follows: an acid cleaning solution is of dilute hydrochloric acid or dilute sulfuric acid, the concentration is 0.1M-2M, 0.01kg/m<3>-0.20kg/m<3> of the corrosion inhibitor is added, the temperature is controlled at room temperature which is about 25 DEG C, and zinc, zinc-aluminum alloy or hot-dip galvanized and zinc-aluminum alloy-coated steel to be cleaned is added for immersing for 0.5h-3h. The product disclosed by the invention is used for industrial acid cleaning of zinc, zinc-aluminum alloy or hot-dip galvanized and zinc-aluminum alloy-coated steel and the products thereof, and can prevent total corrosion and local corrosion of metal or plated layers during the cleaning process; and the studies of the similar acid cleaning corrosion inhibitors are fewer at present, and the product has the prominent advantages of cheap price, low using quantity, high corrosion inhibition efficiency and strong continuous acting ability. The product disclosed by the invention is a natural plant extract which is non-toxic and harmless to the environment and organisms, is in line with the trend of development of acid cleaning corrosion inhibitors, and has great application prospects.
Description
Technical field
The present invention relates to a kind of green inhibition cleaning agent formula and application of hot dip process steel; In order to prevent zinc, aluminium zinc or galvanizing, zinc aluminum alloy coating steel and products thereof unnecessary general corrosion and local corrosion in acid cleaning process, belong to industrial cleaning technique field.
Background technology
The application of zinc, aluminium zinc or galvanizing, zinc aluminum alloy coating steel and products thereof more and more widely; In its product processing and application process; Dilute sulphuric acid commonly used or Hydrogen chloride carry out pickling; Can remove the sull or the corrosion product on surface, harmful corrosive that consumes excessively and prevent of metal or acid takes place in the acid cleaning process, and in acid, adding inhibiter is effective means.
In the restrainer commonly used at present, mainly comprise the inorganic inhibition compound that contains poisonous chromate, and some organophosphor compounds, its discharging possibly cause the eutrophication of water body.The inhibiter of existing same domain mostly has toxic side effect, does not possess the market competitiveness.
Therefore, develop new environmental protection, cheapness, wide material sources, non-harmful restrainer are the new directions of present inhibiter exploitation.
Summary of the invention
The object of the present invention is to provide a kind of green corrosion inhibitor and application thereof of hot-dip aluminum zinc alloy steel products, in order to prevent zinc, aluminium zinc or galvanizing, zinc aluminum alloy coating steel and goods thereof unnecessary general corrosion and local corrosion in acid cleaning process.
Technical scheme of the present invention is: a kind of green high efficient restrainer, its staple are adenine phosphate and vitamins C.Two kinds of materials all belong to the natural complex material, can from crude substance, extract in a large number, and be the material that can not lack in the human body, be widely used in pharmacology, nontoxic.Adenine phosphate mainly is present in the foods such as tealeaves and sugar beet juice, belongs to the niacin and the vitamin G of B crowd's VITAMINs, is the moity of nucleic acid; Participate in the synthetic of genetic material; Can promote leucocyte hyperplasia, the white corpuscle number is increased, be used to prevent and treat the leukopenia that a variety of causes causes; The leukopenia that causes during especially for tumor chemical therapy also is used for acute granulocytopenia.Vitamins C is claimed xitix again, is a kind of water-soluble vitamins, and content is abundant in the fruits and vegetables, can be used for improving immunizing power, and preventing cancer, heart trouble, apoplexy take care of one's teeth with gum etc.Adenine phosphate and the vitamins C compound proportion with 1: 1～5: 1 is mixed, and as the main ingredient of inhibiter in the clean-out system, adding the density of corrosion inhibitor scope is 0.01kg/m
3-0.20kg/m
3And the pickle solution that clean-out system uses is Hydrogen chloride or dilute sulphuric acid, and its concentration is 0.1M-2M; Pickling temperature remains on about 25 ℃; Add metal to be cleaned, submergence 0.5h-3h gets final product.
Principle of the present invention is: adenine phosphate and vitamins C molecule are to have the heterocyclic macrocylc compound; Intramolecularly contains atom or atomic groups such as heterocycle, nitrogen, oxygen, sulphur; Can be adsorbed on aluminium zinc and zinc aluminum alloy coating steel surface effectively, play corrosion inhibition.
The invention has the beneficial effects as follows:
(1) adenine phosphate of the present invention and vitamins C wide material sources, market quotes in 2012: adenine phosphate is a 100-200 unit/kilogram, and vitamins C is a 50-100 unit/kilogram, and cost is very low.
(2) inhibiter of the present invention is the crude substance extract, is nontoxic green matter, compares with the inhibiter of present chemosynthesis; There is not the environmental problem after the use; Harmless to environment and biological nontoxic, meet the restrainer Development Trend, have a good application prospect.
(3) the present invention is used for the industrial acid-washed of all kinds of zinc, aluminium zinc or galvanizing, zinc aluminum alloy coating steel and products thereof; Can effectively suppress the harmful corrosion in acid of metal or coating; With restrainer at present commonly used relatively, it is low to have a consumption, inhibition efficiency is high; The outstanding advantage that continuous action ability is strong can be used repeatedly.
Embodiment
The present invention carries out the lacing film zero-G test according to GB10124-88 " metallic substance laboratory uniform corrosion total immersion test method) "; The test pickle solution is hydrochloric acid and sulfuric acid, and concentration is 0.1M-2M, and test piece is zinc, aluminium zinc or galvanizing, zinc aluminum alloy coating steel sample; 25 ℃ of test temperature room temperatures; Experimental period 0.5h-3h, the highest inhibition efficiency that test-results obtains is higher than 90%, is shown as inhibiter efficiently.
Embodiment 1
Pickle solution is a Hydrogen chloride, and concentration is 0.1M, and pickle solution consumption 100L adds inhibiter 10g, cleans at ambient temperature, and submergence 2h gets final product.
Embodiment 2
Pickle solution is a Hydrogen chloride, and concentration is 0.5M, and pickle solution consumption 100L adds inhibiter 20g, cleans at ambient temperature, and submergence 1h gets final product.
Embodiment 3
Pickle solution is dilute sulphuric acid acid, and concentration is 0.5M, and pickle solution consumption 100L adds inhibiter 50g, cleans at ambient temperature, and submergence 2h gets final product.
Embodiment 4
Pickle solution is a dilute sulphuric acid, and concentration is 1M, and pickle solution consumption 100L adds inhibiter 100g, cleans at ambient temperature, and submergence 1h gets final product.
Claims (7)
1. green inhibition cleaning agent formula, its staple is adenine phosphate and vitamins C.
2. according to the application of the said green inhibition cleaning agent formula of claim 1, it is characterized in that: composite usage ratio is 1: 1～5: 1.
3. according to the application of the said green inhibition cleaning agent formula of claim 1, it is characterized in that: pickle solution is Hydrogen chloride or dilute sulphuric acid, and concentration is 0.1M-2M.
4. according to the application of the said green inhibition cleaning agent formula of claim 1, it is characterized in that: inhibiter is added in the pickle solution working concentration scope: 0.01kg/m
3-0.20kg/m
3
5. according to the application of the said green inhibition cleaning agent formula of claim 1, it is characterized in that: pickling temperature remains on about 25 ℃ of room temperatures.
6. according to the application of the said green inhibition cleaning agent formula of claim 1, it is characterized in that: scavenging period is 0.5h-3h.
7. be applicable to the industrial acid-washed of zinc, aluminium zinc or galvanizing, zinc aluminum alloy coating steel and products thereof according to the said green inhibition clean-out system of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210148815.5A CN102677072B (en) | 2012-05-03 | 2012-05-03 | A kind of galvanizing by dipping and allumen steel corrosion-retarding detergent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210148815.5A CN102677072B (en) | 2012-05-03 | 2012-05-03 | A kind of galvanizing by dipping and allumen steel corrosion-retarding detergent |
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| Publication Number | Publication Date |
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| CN102677072A true CN102677072A (en) | 2012-09-19 |
| CN102677072B CN102677072B (en) | 2016-06-15 |
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| CN201210148815.5A Active CN102677072B (en) | 2012-05-03 | 2012-05-03 | A kind of galvanizing by dipping and allumen steel corrosion-retarding detergent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726061A (en) * | 2014-01-21 | 2014-04-16 | 中国石油大学(华东) | Environment-friendly corrosion-inhibition descaling agent of seawater desalting plant |
| CN103757641A (en) * | 2014-01-21 | 2014-04-30 | 中国石油大学(华东) | Corrosion inhibition cleanser for sea water desalting plant and application thereof |
| CN105887094A (en) * | 2016-06-21 | 2016-08-24 | 西南石油大学 | Nucleic acid corrosion inhibitor and application thereof |
| CN108277494A (en) * | 2018-04-17 | 2018-07-13 | 付晓艺 | Application and its pickling iron and steel agent of the expired water soluble vitamin piece in pickling iron and steel |
| CN111926333A (en) * | 2020-08-10 | 2020-11-13 | 惠博新型材料有限公司 | Preparation method of composite corrosion inhibitor for treating hot-dip plated waste plates |
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| US20010016654A1 (en) * | 2000-01-28 | 2001-08-23 | Kazuhiro Nagai | DEVELOPMENT OF ANTI-MICROBIALS BASED ON PNEUMOCOCCAL BACTERIOPHAGE Dp-1 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103726061A (en) * | 2014-01-21 | 2014-04-16 | 中国石油大学(华东) | Environment-friendly corrosion-inhibition descaling agent of seawater desalting plant |
| CN103757641A (en) * | 2014-01-21 | 2014-04-30 | 中国石油大学(华东) | Corrosion inhibition cleanser for sea water desalting plant and application thereof |
| CN105887094A (en) * | 2016-06-21 | 2016-08-24 | 西南石油大学 | Nucleic acid corrosion inhibitor and application thereof |
| CN105887094B (en) * | 2016-06-21 | 2018-01-02 | 西南石油大学 | A kind of nucleic acid corrosion inhibiter and its application |
| CN108277494A (en) * | 2018-04-17 | 2018-07-13 | 付晓艺 | Application and its pickling iron and steel agent of the expired water soluble vitamin piece in pickling iron and steel |
| CN111926333A (en) * | 2020-08-10 | 2020-11-13 | 惠博新型材料有限公司 | Preparation method of composite corrosion inhibitor for treating hot-dip plated waste plates |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102677072B (en) | 2016-06-15 |
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