CN105887066A - Corrosion passivator - Google Patents
Corrosion passivator Download PDFInfo
- Publication number
- CN105887066A CN105887066A CN201610393378.1A CN201610393378A CN105887066A CN 105887066 A CN105887066 A CN 105887066A CN 201610393378 A CN201610393378 A CN 201610393378A CN 105887066 A CN105887066 A CN 105887066A
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- parts
- rust
- acid
- agent
- passivator
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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
- C23C22/07—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 phosphates
- C23C22/08—Orthophosphates
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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)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to a rust passivating agent. The passivator comprises the following components in parts by weight: 5-10 parts of acrylic emulsion, 10-20 parts of transformation accelerator tannic acid, 70-80 parts of penetrant isopropanol, 150-200 parts of auxiliary agent absolute ethyl alcohol, 150-210 parts of film-forming agent phosphoric acid, 20-30 parts of transformation accelerator lactic acid, 25-30 parts of butyl cellosolve and 350-425 parts of water. The rust passivator is prepared by reducing rust into a passivating component with rust-proof capability by using macromolecular composite organic acid groups, and performing molecular rearrangement on a metal matrix by using macromolecular micelles to form a film in a crossed manner. The film layer has high sealing performance, high rust removing performance and high adhesive force, thereby thoroughly solving the problem of secondary rusting of coating after rust removal.
Description
Technical field
The invention belongs to a metal conditioner, particularly relate to a kind of corrosion passivator.
Background technology
Steel surface processing of rust removing is that steel surface coating anticorrosive paint etc. must step.The method of rust cleaning decontamination substantially has
The most several: impeller blasting: to utilize running up of plant equipment that the shot of certain particle size is thrown by the centrifugal force of ramming head
Going out, the shot being spilled over fiercely collides strike with component thus reaches to dispel the one side of the purpose of steel surface corrosion
Method.The shot kind that it uses has: cast iron pellets and steel wire cut pill two kinds, and cast iron pellets is that the molten iron utilizing fusing is in injection
And the granularity formed in the case of cooling down rapidly is at 2～3mm shots, surface very rounding.Its cost is relatively cheap but resistance to
Slightly worse by property.During ball blast through shock shot repeatedly crushed and as dust get rid of.Steel wire cut pill is with useless
The steel wire of old steel wire rope is cut into the segment of 2mm and forms, and its surface is with wedge angle, and rust cleaning effect is relatively high and the most fragile
Broken service life extends, but price increases.The ball blast surface of the latter is more more coarse.Shot peening: utilize height
Pressure air is taken shot out of and is ejected into a kind of derusting method that component surface reaches.Derusting by sandblasting: utilize pressure-air to take out of
Quartz sand is ejected into a kind of derusting method that component surface reaches.The source of quartz sand has: fluvial sand, sea sand and artificial sand
Deng.The low cost of sand and wide material sources, but big for environment pollution；Rust cleaning the most manually operates, the component after rust cleaning
Surface roughness is little, is difficult to reach the requirement of coefficient of friction.Sea sand should dispel its salt before use.Both the above is removed
Ambient humidity is required less than 85% by rust method.Acid pickling and rust removing: acid pickling and rust removing is also known as chemical derusting, its principle is to utilize
Acid in pickle and metal-oxide carry out chemical reaction, make metal-oxide dissolve, and remove the rust of steel surface
Erosion and dirt.But pickling can not form protecting film, steel surface also can be by anticaustic.
Summary of the invention
In order to solve the technical problem that background technology portion exists, the present invention provides a kind of corrosion passivator, corrosion passivator
In high molecular composite organic acid group, rust is reduced into the passivation composition with antirust ability, macromolecule micelle exists
Molecular rearrangement is there is, by intersecting film forming on metallic matrix.Film layer has high closeness, high rust cleaning performance, high attachment
Power, thus the secondary problem of rustiness of application after thoroughly solving rust cleaning.
Technical problem solved by the invention realizes by the following technical solutions: the invention provides a kind of corrosion passivation
Agent, this passivator is made up of following ingredients, each composition by weight ratio: acrylic emulsion 5～10 parts, convert and promote
Enter agent tannic acid 10～20 parts, penetrating agent isopropanol 70～80 parts, auxiliary agent dehydrated alcohol 150～200 parts, film forming
Agent phosphatase 11 50～210 parts, inversion accelerating agent lactic acid 20～30 parts, butyl glycol ether 25～30 parts, water 350～425
Part.
Acrylic emulsion in such scheme 5 parts, 20 parts of inversion accelerating agent tannic acid, penetrating agent isopropanol 80 parts,
Auxiliary agent dehydrated alcohol 200 parts, film former phosphoric acid 210 parts, inversion accelerating agent lactic acid 20 parts, butyl glycol ether 25 parts,
425 parts of water.
The invention have the benefit that the corrosion passivator of the present invention with tannic acid lactic acid etc. as inversion accelerating agent, propylene
Yogurt liquid is film former, and isopropanol is that the nuisanceless materials such as penetrating agent are prepared for a kind of environment-friendly type aqueous converting agent of iron rust,
Raw material is easy to get, cheap, safety and environmental protection, corrosion resistance high, and overcoming tradition tannic acid type converting agent of iron rust needs to use
A difficult problem for organic solvent diluting.And the film layer formed has high closeness, high rust cleaning performance, high adhesion force, thus
The secondary problem of rustiness of application after thoroughly solving to eliminate rust.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further:
First with 50 DEG C of warm water of 100KG, 20KG tannic acid is dissolved stand-by, take acrylic emulsion 5KG, phosphoric acid
210KG pours in stirred tank, starts stirring at low speed, stirs while the tannin that adds butyl glycol ether 25KG, dissolved
Acid, lactic acid 20KG, isopropanol 80KG, dehydrated alcohol 200KG and water 325KG, stir.
Record index as follows: solid divides 45 scholars 1%；Viscosity≤100；Proportion 1.2 scholar 0.02；PH 2～3；
Surface drying 30 minutes；Do solid work 24 hours；Cover the painting time 24 hours；Solid content 46.8%；Brookfield viscosity is less than 500mPa.S；
Water-resistance property of coating (48h): nothing foaming comes off, metachromatism；Petrol-resistance (48h): unchanged；Freeze-thaw stability
Property (3 times) is unchanged.
In such scheme, tannic acid is a kind of polyprotic acid simultaneously containing hydroxyl and carboxyl, and its molecular weight is relatively big, in acidity
Under the conditions of, can be with Fe3+ there is chelation, generate a kind of pitchy tannic acid with network structure, stable performance
Iron chelate, adsorbed close, on steel substrate surface, plays antirust effect.Penetrating agent isopropanol is anhydrous with polar solvent
Ethanol coordinates, and converting agent of iron rust can be made to react with internal layer corrosion, it is suppressed that the anode reaction of corrosion process, thus
Effectively delay the process of corrosion.Film former acrylic emulsion has physical isolation and inhibition protective effect, and it passes through
Adhesion is impregnated with iron rust conversion products and is encapsulated, moreover it is possible to makes protecting film more dense uniform, effectively suppresses
Corrosive medium contacts with metal surface.Phosphoric acid reacts with steel surface generation corrosion so that it is change into stable guarantor
Cuticular layer, and rusty part can be produced phosphorization, similarly generate protecting film layer, thus ensure that protecting film layer
Seriality and globality.The reaction occurred is as follows:
Fe2O3+6H3PO4=2Fe (H2PO4)3+3H2O
Fe3O4+8H3PO4=2Fe (H2PO4)3+Fe(H2PO4)2+4H2O
FeO+H3PO4=Fe (H2PO4)2+H2O
Fe+2H3PO4=Fe(H2PO4)2+3H2
Owing to above-mentioned reaction constantly consumes phosphoric acid, above-mentioned product is promoted to be further broken into insoluble orthophosphate.
Fe(H2PO4)3=FePO4↓+2H3PO4
2Fe(H3PO54)3=2FePO4↓+2H3PO4+2H2O
Steel surface corrosion is made to occur to convert the most unattacked surface passivation, sealing process after reacting.Phosphorization membrane
Deposition improve the corrosion resisting property of protecting film layer, further enhance rust-proof effect；The effect of penetrating agent isopropanol is
Make treatment fluid complete to the effect of rusty scale.Activator improves the affinity for the treatment of fluid and steel surface, contributes to removing surface
On greasy dirt.
First, the Fe in sour environment, in corrosion layer3+ react with base material iron atom, make the Fe3+ in corrosion layer turn
Turning to Fe2+, reduction reaction formula is as follows: Fe3+ Fe=Fe2+, secondly, phosphate anion and Fe2+、Zn2+ reaction, raw
Iron phosphate and zinc phosphate is become to form passivating film.
For the Fe without reduction3+, it is on the one hand to react with phosphate anion, iron phosphate protecting film can be formed, this
Fine and close passivating film is water insoluble, and hardness is high, and adhesive force is excellent, presents the rustless property of brilliance.On the other hand,
Fe3+ and tannic acid reaction, firstly generate tannic acid complex monomer, each tannic acid exist multiple complex monomer,
Then Fe is passed through3+ connect 2 complexation monomers, generate the cyclic complexes of stable in properties.
From above-mentioned, the mechanism of action of this rust conversion agent is, utilizes the addition of appropriate phosphoric acid, forms sour environment,
Promote the Fe in rust3+ there is reduction reaction so that it is it is converted into Fe2+, complete the Partial Conversion of corrosion product.Convert
After Fe2+, include Zn2+ generate corresponding ferrous salt, zinc salt compound with the anion in rust conversion agent.Do not turn
The Fe changed3+ stable iron phosphate protecting film can not only be generated with phosphate anion, simultaneously, moreover it is possible to and organic component tannin
Acid forms ferric tannate complex.Thus, define with Zn3(PO4)2、Fe3(PO4)2、FePO4And ferric tannate
Complex is main hybrid protection film.So, the protection on steel surface is on the one hand conducive to, it is to avoid secondary gets rusty；Another
Aspect, is also beneficial to improve the adhesive force of finish paint etc., strengthens the variation effect of coating.
The passivator of application the application, steel surface need not finely polish, and only removes floating rust the most permissible.Now to this Shen
Film please is tested: antirust experiment: film soaks 300 hours nothings in mass concentration is 3% sodium chloride solution
Change；In pure acrylic acid soak 24 hours unchanged；144 are soaked in the aqua calcis of saturated concentration
Individual hour unchanged.
Claims (2)
1. a corrosion passivator, this passivator is made up of following ingredients, each composition by weight ratio: third
Olefin(e) acid emulsion 5～10 parts, inversion accelerating agent tannic acid 10～20 parts, penetrating agent isopropanol 70～80 parts,
Auxiliary agent dehydrated alcohol 150～200 parts, film former phosphatase 11 50～210 parts, inversion accelerating agent lactic acid 20～30
Part, butyl glycol ether 25～30 parts, water 350～425 parts.
A kind of corrosion passivator the most according to claim 1, it is characterised in that: acrylic emulsion 5 parts,
20 parts of inversion accelerating agent tannic acid, penetrating agent isopropanol 80 parts, auxiliary agent dehydrated alcohol 200 parts, film former
Phosphoric acid 210 parts, inversion accelerating agent lactic acid 20 parts, butyl glycol ether 25 parts, 425 parts of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393378.1A CN105887066B (en) | 2016-06-06 | 2016-06-06 | Corrosion passivator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393378.1A CN105887066B (en) | 2016-06-06 | 2016-06-06 | Corrosion passivator |
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| Publication Number | Publication Date |
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| CN105887066A true CN105887066A (en) | 2016-08-24 |
| CN105887066B CN105887066B (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610393378.1A Active CN105887066B (en) | 2016-06-06 | 2016-06-06 | Corrosion passivator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107557795A (en) * | 2017-09-14 | 2018-01-09 | 浙江大学 | A kind of new steel structure aqueous rust conversion fluid |
| CN107868546A (en) * | 2017-12-13 | 2018-04-03 | 广州宣宁化工科技有限公司 | A kind of preparation method and applications of electrostatic powder spraying band rust transformation primer |
| CN108570251A (en) * | 2018-04-11 | 2018-09-25 | 陈时全 | A kind of metal anti-corrosive paint for repairing corrosion steel |
| CN109628939A (en) * | 2018-12-20 | 2019-04-16 | 广州市泓硕环保科技有限公司 | A kind of corrosion-inhibiting compositions of environment-friendly metal material room temperature derusting |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698938A (en) * | 2009-09-01 | 2010-04-28 | 浙江海洋学院 | Derusting method for ships |
| CN103173757A (en) * | 2011-12-26 | 2013-06-26 | 天津科技大学 | Iron rust conversion agent and preparation method thereof |
| CN105220138A (en) * | 2014-06-09 | 2016-01-06 | 鞍钢股份有限公司 | Weather-resistant steel surface rust layer stabilizing treatment agent |
| CN105441923A (en) * | 2015-11-19 | 2016-03-30 | 国网山东省电力公司电力科学研究院 | Water-based environment-friendly corrosion transforming agent |
-
2016
- 2016-06-06 CN CN201610393378.1A patent/CN105887066B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698938A (en) * | 2009-09-01 | 2010-04-28 | 浙江海洋学院 | Derusting method for ships |
| CN103173757A (en) * | 2011-12-26 | 2013-06-26 | 天津科技大学 | Iron rust conversion agent and preparation method thereof |
| CN105220138A (en) * | 2014-06-09 | 2016-01-06 | 鞍钢股份有限公司 | Weather-resistant steel surface rust layer stabilizing treatment agent |
| CN105441923A (en) * | 2015-11-19 | 2016-03-30 | 国网山东省电力公司电力科学研究院 | Water-based environment-friendly corrosion transforming agent |
Non-Patent Citations (2)
| Title |
|---|
| 陈泽森等: "《涂料与涂装实用技术丛书》", 31 January 2007, 北京：中国纺织出版社 * |
| 黎四芳: "《从乙炔制取精细化学品》", 31 March 2016, 厦门大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107557795A (en) * | 2017-09-14 | 2018-01-09 | 浙江大学 | A kind of new steel structure aqueous rust conversion fluid |
| CN107868546A (en) * | 2017-12-13 | 2018-04-03 | 广州宣宁化工科技有限公司 | A kind of preparation method and applications of electrostatic powder spraying band rust transformation primer |
| CN108570251A (en) * | 2018-04-11 | 2018-09-25 | 陈时全 | A kind of metal anti-corrosive paint for repairing corrosion steel |
| CN109628939A (en) * | 2018-12-20 | 2019-04-16 | 广州市泓硕环保科技有限公司 | A kind of corrosion-inhibiting compositions of environment-friendly metal material room temperature derusting |
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| Publication number | Publication date |
|---|---|
| CN105887066B (en) | 2018-09-11 |
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Effective date of registration: 20220506 Address after: 163000 Tuqiang West Street, Honggang District, Daqing City, Heilongjiang Province Patentee after: DAQING OILFIELD KUNLUN PAINT CO.,LTD. Address before: Block D4, phase I, high end equipment manufacturing park, Kaiyuan street, Daqing economic and Technological Development Zone, Ranghulu District, Daqing City, Heilongjiang Province Patentee before: HEILONGJIANG YIAIEN NEW MATERIAL TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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