CN106350823A - Aluminum alloy corrosion prevention protective agent and preparation method thereof - Google Patents
Aluminum alloy corrosion prevention protective agent and preparation method thereof Download PDFInfo
- Publication number
- CN106350823A CN106350823A CN201610702523.XA CN201610702523A CN106350823A CN 106350823 A CN106350823 A CN 106350823A CN 201610702523 A CN201610702523 A CN 201610702523A CN 106350823 A CN106350823 A CN 106350823A
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- Prior art keywords
- aluminium alloy
- protective agent
- corrosive protection
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- mbt
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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
- 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
-
- 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
- C23C22/02—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 non-aqueous solutions
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention relates to an aluminum alloy corrosion prevention protective agent and a preparation method thereof. The aluminum alloy corrosion prevention protective agent is prepared from the following components: 2-mercaptobenzothiazole (MBT), 2-mercaptobenzimidazole (MBI), 2-mercaptobenzoxazole (MBO), benzotriazole (BTA), polymethyl acrylate, high density polyethylene, a lubricating agent and a surface active agent, wherein the weight percent of the high density polyethylene is 3-5%, the weight percent of the polymethyl acrylate is 3-5%, and the ratio of the 2-MBT to the 2-MBI to the 2-MBO to the BTA by weight percent is equal to 2 to 1 to 1 to 1.
Description
Technical field
The invention belongs to preservative field, particularly relate to a kind of Aluminium alloy low-temperature anticorrosion protective agent and preparation method thereof.
Background technology
Metal erosion, throughout national economy and national defense construction every field, endangers extremely serious.First, corrosion can cause weight
Big direct or indirect economic loss.Statistics according to the country of industry prosperity[5], because the economic loss that corrosion causes accounts for working as
The 1.5%-4.2% of year national economy total output value.Secondly, metal erosion, particularly stress corrosion and corrosion fatigue, often
Cause calamitous major accident, jeopardize personal safety.Furthermore, corrosion is not only lost a large amount of metals, and wastes mass energy,
The annual metal because corroding 10%-20% to be lost.In addition, in the commercial production such as oil, chemical industry, pesticide, because corrosion causes
Equipment run, drip, leak, not only cause economic loss it is also possible to make hazardous material situations, cause environmental pollution, jeopardize the people and are good for
Health.
The equipment of aluminum and its alloy and product are widely used in each department of national economy, especially in chemical industry and petrochemical industry
Industry, simultaneously because aluminium alloy has the high excellent properties of light weight intensity, the application in aviation and navigation in recent years is also increasingly
It is taken seriously.
The corrosion that aluminium alloy occurs under various environmental activities, throughout each department of national economy, brings about great losses,
Research for metal protection has huge meaning.In the guard technology of various metal erosion, inhibiter technology is due to work
Skill is simple, strong applicability and become one of most effective and most common method.But inhibiter technology has obvious limitation,
In the liquid phase medium that corrosion inhibiter is most widely used, corrosion inhibiter must have certain dissolubility and it is necessary to reach certain dense
Degree.Traditional corrosion inhibiter is larger due to toxicity, causes pollution to environment；Simultaneously as inhibiter consumption is less, extraneous small
Change will cause large effect to system, this also give inhibition mechanism research bring very big difficulty, these factors
Limit the development further of corrosion inhibiter.
People study and all the time using the various methods and techniques controlling or prevent metal erosion.Use in practice
The method of most several control metal erosion has: correctly selects metal material and appropriate design metal structure；Electrochemistry is protected
Shield；Using protective coating；Change environment composition, add corrosion inhibiter；Self-assembled monolayer, forms inhibitor molecular protection
Film.
Content of the invention
The purpose of the present invention is by the improvement to existing self-assembled monolayer technology, low to improve aluminum alloy surface
A kind of anti-corrosive protecting agent of warm antiseptical and preparation method.
The present invention is achieved by the following technical solutions:
A kind of corrosive protection of aluminium alloy protective agent, its composition includes 2-mercaptobenzothiazole mbt, 2-mercaptobenzimidazole mbi,
2- mercaptobenzooxazole mbo, benzotriazole bta, polymethyl acrylate, high density polyethylene (HDPE), lubricant and surfactant, wherein
High density polyethylene (HDPE) is 3-5% by weight percentage；Polymethyl acrylate is 3-5% by weight percentage.
It is by weight percentage, described 2-mercaptobenzothiazole mbt: 2-mercaptobenzimidazole mbi: 2- mercaptobenzooxazole
Mbo: benzotriazole bta is 1: 2: 1: 1.
Described lubricant is one of stearic acid, butyl stearate or oleamide or two kinds of combinations.
Described surfactant is Nonyl pheno, aliphatic acid polyethenoxy ether sodium sulfate or aliphatic acid polyethenoxy
One of ether ammonium sulfate or two kinds of combinations.
A kind of preparation method of Aluminium alloy surface low-temperature anticorrosion protective agent is, by the 2-mercaptobenzothiazole forming in proportion
Mbt, 2-mercaptobenzimidazole mbi, 2- mercaptobenzooxazole mbo, benzotriazole bta, polymethyl acrylate and high density polyethylene (HDPE)
Be added to equipped with the sealing container of organic solvent, heating in water bath stirring makes chelating agent dissolve, be configured to be by weight percentage
1.0% solution, is subsequently adding the lubricant of 1/2 above-mentioned four kinds of material gross weights and above-mentioned four kinds of material gross weight identical tables
Face activating agent.
Described organic solvent is in dichloroethanes, trichloroethane, chloroform, ethanol, acetone or epoxychloropropane
Plant or multiple combination.
The invention has the beneficial effects as follows:
Benzotriazole is utilized to form conjugation complex compound, this network with aluminum alloy surface metal by using above anti-corrosive protecting agent
Compound does not dissolve in the solution such as acid, alkali, can be good at playing a protective role.
Specific embodiment
To describe technical scheme below by way of specific embodiment in detail, these embodiments are only used for the present invention
Explanation and explanation and be not to be construed as limiting the invention.
A kind of corrosive protection of aluminium alloy protective agent, its composition includes 2-mercaptobenzothiazole mbt, 2-mercaptobenzimidazole mbi,
2- mercaptobenzooxazole mbo, benzotriazole bta, polymethyl acrylate, high density polyethylene (HDPE), lubricant and surfactant, wherein
High density polyethylene (HDPE) is 3-5% by weight percentage.
It is by weight percentage, described 2-mercaptobenzothiazole mbt: 2-mercaptobenzimidazole mbi: 2- mercaptobenzooxazole
Mbo: benzotriazole bta is 1: 2: 1: 1.Described lubricant is one of stearic acid, butyl stearate or oleamide or two kinds
Combination.
Described surfactant is Nonyl pheno, aliphatic acid polyethenoxy ether sodium sulfate or aliphatic acid polyethenoxy
One of ether ammonium sulfate or two kinds of combinations.
The preparation method of described Aluminium alloy surface low-temperature anticorrosion protective agent is, by the 2-mercaptobenzothiazole forming in proportion
Mbt, 2-mercaptobenzimidazole mbi, 2- mercaptobenzooxazole mbo, benzotriazole bta, polymethyl acrylate and high density polyethylene (HDPE)
It is added to equipped with the sealing container of organic solvent, heating in water bath stirring makes chelating agent dissolve, described bath temperature is 30-40
DEG C, it is configured to be 1.0% solution by weight percentage, be subsequently adding the lubricant of 1/2 above-mentioned four kinds of material gross weights and upper
State four kinds of material gross weight identical surfactants.
Described organic solvent is in dichloroethanes, trichloroethane, chloroform, ethanol, acetone or epoxychloropropane
Plant or multiple combination.
Protectant using method:
Aluminium alloy applies pre-treatment: with machinery, the method depositing dust of chemistry or electrochemistry, goes out degreasing and various erosion (electricity
After plating, workpiece need not apply pre-treatment).
Phosphatization: prepare nah2po4-h3po4As bonderite, phosphating time is 3min to solution；
Cleaning: first use dehydrated alcohol defat, then with distilled water, workpiece is carried out, clean surface is so as to during surface is
Property.
It is dried: before coating, workpiece must be dried, it is to avoid during coating, protective agent is contacted with water, impact effect.Generally can put
Enter constant weight in drying baker.
Coating: the workpiece after clean dried is put into and fills in protectant container, immersion plating 15-20min, takes out.Also may be used
To brush, to spray and showering.
Dry: place 1-2 minute under ventilation condition and both may be used.
Claims (8)
1. a kind of corrosive protection of aluminium alloy protective agent it is characterised in that: its composition includes 2-mercaptobenzothiazole mbt, 2- sulfydryl benzene
And imidazoles mbi, 2- mercaptobenzooxazole mbo, benzotriazole bta, polymethyl acrylate, high density polyethylene (HDPE), lubricant and surface
Activating agent, its medium high density polyethylene is 3-5% by weight percentage；Polymethyl acrylate is 3-5% by weight percentage.
2. corrosive protection of aluminium alloy protective agent according to claim 1 it is characterised in that: by weight percentage for described 2- mercapto
Base benzothiazole mbt: 2-mercaptobenzimidazole mbi: 2- mercaptobenzooxazole mbo: benzotriazole bta is 1: 2: 1: 1.
3. corrosive protection of aluminium alloy protective agent according to claim 1 it is characterised in that: described lubricant be stearic acid, Hard Fat
One of acid butyl ester or oleamide or two kinds of combinations.
4. corrosive protection of aluminium alloy protective agent according to claim 1 it is characterised in that: described surfactant for nonyl phenol gather
One of oxygen ethylene, aliphatic acid polyethenoxy ether sodium sulfate or aliphatic acid polyethenoxy ether ammonium sulfate or two kinds of combinations.
5. a kind of protectant preparation method of corrosive protection of aluminium alloy it is characterised in that: by the 2-mercaptobenzothiazole forming in proportion
Mbt, 2-mercaptobenzimidazole mbi, 2- mercaptobenzooxazole mbo, benzotriazole bta, polymethyl acrylate and high density polyethylene (HDPE)
Be added to equipped with the sealing container of organic solvent, heating in water bath stirring makes chelating agent dissolve, be configured to be by weight percentage
1.0% solution, is subsequently adding the lubricant of 1/2 above-mentioned four kinds of material gross weights and above-mentioned four kinds of material gross weight identical tables
Face activating agent.
6. the protectant preparation method of corrosive protection of aluminium alloy according to claim 5 it is characterised in that: described organic solvent is
One or more of dichloroethanes, trichloroethane, chloroform, ethanol, acetone or epoxychloropropane combine.
7. the protectant preparation method of corrosive protection of aluminium alloy according to claim 5 it is characterised in that: described bath temperature
For 30-60 DEG C.
8. the protectant preparation method of corrosive protection of aluminium alloy according to claim 7 it is characterised in that: described bath temperature
For 30-40 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610702523.XA CN106350823A (en) | 2016-08-19 | 2016-08-19 | Aluminum alloy corrosion prevention protective agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610702523.XA CN106350823A (en) | 2016-08-19 | 2016-08-19 | Aluminum alloy corrosion prevention protective agent and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106350823A true CN106350823A (en) | 2017-01-25 |
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| CN201610702523.XA Pending CN106350823A (en) | 2016-08-19 | 2016-08-19 | Aluminum alloy corrosion prevention protective agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616433A (en) * | 2018-06-20 | 2019-12-27 | 天津大学 | Controllable-release halloysite-loaded 2-sulfenyl benzothiazole and benzotriazole composite corrosion inhibitor and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008125003A1 (en) * | 2007-04-13 | 2008-10-23 | Anji Microelectronics (Shanghai) Co., Ltd. | Low etch cleaning composition for removing resist |
| CN102993807A (en) * | 2012-09-29 | 2013-03-27 | 蔡丛荣 | Preparation and application of aluminium alloy surface anti-corrosion and color-fixing agent |
| CN105239063A (en) * | 2015-11-10 | 2016-01-13 | 严静儿 | Aluminum alloy corrosion-resistant protective agent and preparation method thereof |
-
2016
- 2016-08-19 CN CN201610702523.XA patent/CN106350823A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008125003A1 (en) * | 2007-04-13 | 2008-10-23 | Anji Microelectronics (Shanghai) Co., Ltd. | Low etch cleaning composition for removing resist |
| CN102993807A (en) * | 2012-09-29 | 2013-03-27 | 蔡丛荣 | Preparation and application of aluminium alloy surface anti-corrosion and color-fixing agent |
| CN105239063A (en) * | 2015-11-10 | 2016-01-13 | 严静儿 | Aluminum alloy corrosion-resistant protective agent and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616433A (en) * | 2018-06-20 | 2019-12-27 | 天津大学 | Controllable-release halloysite-loaded 2-sulfenyl benzothiazole and benzotriazole composite corrosion inhibitor and preparation method thereof |
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Application publication date: 20170125 |