CN102808184A - Ferrous metal water-soluble corrosion inhibitor and preparation method thereof - Google Patents
Ferrous metal water-soluble corrosion inhibitor and preparation method thereof Download PDFInfo
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- CN102808184A CN102808184A CN2012103127414A CN201210312741A CN102808184A CN 102808184 A CN102808184 A CN 102808184A CN 2012103127414 A CN2012103127414 A CN 2012103127414A CN 201210312741 A CN201210312741 A CN 201210312741A CN 102808184 A CN102808184 A CN 102808184A
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- ferrous metal
- carboxylic acid
- water soluble
- rust inhibitor
- metal water
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Abstract
The invention discloses a ferrous metal water-soluble corrosion inhibitor and a preparation method thereof. The ferrous metal water-soluble corrosion inhibitor consists of the following components in percentage by mass: 15 to 40 percent of organic amine, 7 to 15 percent of dicarboxylic acid, 0.5 to 3 percent of triazole, 8 to 20 percent of tricarboxylic acid, 0.5 to 1.5 percent of 2-mercaptobenzothiazole derivant, 0.5 to 5 percent of stabilizer and the balance of water. The ferrous metal water-soluble corrosion inhibitor is high in corrosion resistance or corrosion inhibition performance and convenient to use, and does not damage a human body and environment.
Description
Technical field
The present invention relates to a kind of ferrous metal water soluble rust inhibitor; Belong to organic chemistry filed; Relate in particular to a kind of corrosion inhibitor or inhibiter that the ferrous metal material is applied in mechanical workout and storage process, the invention still further relates to the preparation method of above-mentioned inhibiter or corrosion inhibitor.
Background technology
Ferrous metal comprises cast iron, steel and alloy thereof; Be widely used in industries such as machinery, bearing, the manufacturing of automobile and motorcycle component; The component of this material in the course of processing or inter process often need of short duration anticorrosive and antirust processing, otherwise can scrap because of product surface variable color corrosion.Traditional ferrous metal water soluble rust inhibitor is solid such as Sodium Nitrite mostly, uses extremely inconvenience, and unfavorable to human body and environment.
Summary of the invention
The object of the present invention is to provide a kind of ferrous metal water soluble rust inhibitor, described this ferrous metal water soluble rust inhibitor will solve corrosion resistance of the prior art or corrosion inhibition is not high, use inconvenient, to human body and the disadvantageous technical problem of environment.
For realizing above-mentioned purpose; Technical scheme of the present invention is: a kind of ferrous metal water soluble rust inhibitor; Form by organic amine, di-carboxylic acid, 124 Triazole, tribasic carboxylic acid, di-mercaptobenzothiazolby verivate, stablizer and water; The mass percent of described organic amine in the ferrous metal water soluble rust inhibitor is 15～40%; The mass percent of described di-carboxylic acid in the ferrous metal water soluble rust inhibitor is 7～15%; The mass percent of described 124 Triazole in the ferrous metal water soluble rust inhibitor is 0.5～3%, and the mass percent of described tribasic carboxylic acid in the ferrous metal water soluble rust inhibitor is 8～20%, and the mass percent of described di-mercaptobenzothiazolby verivate in the ferrous metal water soluble rust inhibitor is 0.5～1.5%; The mass percent of described stablizer in the ferrous metal water soluble rust inhibitor is 0.5～5%, and surplus is a water.
Preferably, described organic amine is selected from least a among Monoethanolamine MEA BASF, diethylolamine, trolamine, the AMP-95.
Preferably, described di-carboxylic acid is selected from least a in sebacic acid, 11 carbon di-carboxylic acid, the 12 carbon di-carboxylic acid.
Preferably, described 124 Triazole is the benzotriazole of technical grade.
Preferably, described tribasic carboxylic acid is selected from the tribasic carboxylic acid of technical grade.
Preferably, the described di-mercaptobenzothiazolby verivate sodium salt that is the di-mercaptobenzothiazolby verivate.
Preferably, described stablizer is selected from EDTA or EDTA sodium salt or NTA.
The present invention also provides a kind of method for preparing said ferrous metal water soluble rust inhibitor; Under normal pressure, organic amine, di-carboxylic acid, tribasic carboxylic acid are added the step in the compounding kettle; Wherein, in described compounding kettle, stir and be warming up to 40～60 ℃, the reaction homogeneous transparent; Add the water measure again, continue to stir holding temperature to 40～60 ℃, add 124 Triazole, di-mercaptobenzothiazolby verivate, stablizer successively, stir 30～50min, mix blowing, filtration until product.
Ferrous metal water soluble rust inhibitor of the present invention; Adopt organic alcohol amine and benzotriazole, tribasic carboxylic acid reaction; And add di-carboxylic acid, di-mercaptobenzothiazolby derivative, stablizer, synthesize the additive that satisfies ferrous metal inhibition or antioxidant effect.
The present invention compares with prior art, and its effect is actively with tangible.Ferrous metal inhibiter of the present invention has the following advantages:
1) inhibition and the anti-corrosion effects of excellence;
2) effectively protect ferrous metal surface protect it from corrosion and oxidation;
3) be fit to various material such as brass, red copper, bronze etc.;
4) addition is few, and good effect is all arranged in the 1.5-5% scope;
5) liquid concentrator good stability, but standing storage;
6) liquid concentrator, diluent all can use.
7) do not contain poisonous and harmful article such as nitrite, phosphorus.
Embodiment
Below in conjunction with embodiment technical scheme of the present invention is done further explanation,, all can on market, buy, the chemical formula HOOC-(CH of 11 carbon di-carboxylic acid if the starting material described in the present invention do not have specified otherwise
2)
9-COOH, the chemical formula HOOC-(CH of 12 carbon di-carboxylic acid
2)
10-COOH.
Embodiment 1
The invention provides a kind of ferrous metal water soluble rust inhibitor; Form by organic amine, di-carboxylic acid, 124 Triazole, tribasic carboxylic acid, di-mercaptobenzothiazolby verivate, stablizer and water; The mass percent of described organic amine in the ferrous metal water soluble rust inhibitor is 15%; The mass percent of described di-carboxylic acid in the ferrous metal water soluble rust inhibitor is 7%; The mass percent of described 124 Triazole in the ferrous metal water soluble rust inhibitor is 0.5%, and the mass percent of described tribasic carboxylic acid in the ferrous metal water soluble rust inhibitor is 8%, and the mass percent of described di-mercaptobenzothiazolby verivate in the ferrous metal water soluble rust inhibitor is 0.5%; The mass percent of described stablizer in the ferrous metal water soluble rust inhibitor is 0.5%, and surplus is a water.
Wherein, described organic amine is that Monoethanolamine MEA BASF and AMP-95 mix by weight 19:1; Described di-carboxylic acid is that sebacic acid and 11 carbon di-carboxylic acid mix by 4:1; Described 124 Triazole is the benzotriazole of technical grade; Described tribasic carboxylic acid is selected from the tribasic carboxylic acid of technical grade; Described di-mercaptobenzothiazolby verivate is the sodium salt of di-mercaptobenzothiazolby; Described stablizer is selected from EDTA.
Its preparation method is following: comprise one according to the weigh step of each material of above-mentioned mass percent; Comprise that one adds the step in the compounding kettle with organic amine, di-carboxylic acid, tribasic carboxylic acid under normal pressure; Wherein, in described compounding kettle, stir and be warming up to 40 ℃, the reaction homogeneous transparent.Add the water measure again, continue to stir holding temperature to 40 ℃, add 124 Triazole, di-mercaptobenzothiazolby verivate, stablizer successively, stir 30min, mix blowing, filtration until product.
Embodiment 2
A kind of ferrous metal water soluble rust inhibitor; Form by organic amine, di-carboxylic acid, 124 Triazole, tribasic carboxylic acid, di-mercaptobenzothiazolby derivative, stablizer and water; The mass percent of described organic amine in the ferrous metal water soluble rust inhibitor is 35%; The mass percent of described di-carboxylic acid in the ferrous metal water soluble rust inhibitor is 7%; The mass percent of described 124 Triazole in the ferrous metal water soluble rust inhibitor is 2%, and the mass percent of described tribasic carboxylic acid in the ferrous metal water soluble rust inhibitor is 8%, and the mass percent of described di-mercaptobenzothiazolby verivate in the ferrous metal water soluble rust inhibitor is 1.5%; The mass percent of described stablizer in the ferrous metal water soluble rust inhibitor is 1.5%, and surplus is a water.
Wherein, described organic amine is that trolamine and AMP-95 mix by weight 9:1; Described di-carboxylic acid is that sebacic acid and 12 carbon di-carboxylic acid mix by 4:1; Described 124 Triazole is the benzotriazole of technical grade; Described tribasic carboxylic acid is selected from the tribasic carboxylic acid of technical grade; Described di-mercaptobenzothiazolby verivate is the sodium salt of di-mercaptobenzothiazolby; Described stablizer is selected from EDTA.
Its preparation method is following: comprise one according to the weigh step of each material of above-mentioned mass percent; Comprise that one adds the step in the compounding kettle with organic amine, di-carboxylic acid, tribasic carboxylic acid under normal pressure; Wherein, in described compounding kettle, stir and be warming up to 50 ℃, the reaction homogeneous transparent.Add the water measure again, continue to stir holding temperature to 50 ℃, add 124 Triazole, di-mercaptobenzothiazolby verivate, stablizer successively, stir 40min, mix blowing, filtration until product.
Embodiment 3
A kind of ferrous metal water soluble rust inhibitor; Form by organic amine, di-carboxylic acid, 124 Triazole, tribasic carboxylic acid, di-mercaptobenzothiazolby derivative, stablizer and water; The mass percent of described organic amine in the ferrous metal water soluble rust inhibitor is 40%; The mass percent of described di-carboxylic acid in the ferrous metal water soluble rust inhibitor is 10%; The mass percent of described 124 Triazole in the ferrous metal water soluble rust inhibitor is 1.5%, and the mass percent of described tribasic carboxylic acid in the ferrous metal water soluble rust inhibitor is 9%, and the mass percent of described di-mercaptobenzothiazolby verivate in the ferrous metal water soluble rust inhibitor is 0.5%; The mass percent of described stablizer in the ferrous metal water soluble rust inhibitor is 1%, and surplus is a water.
Wherein, described organic amine is that Monoethanolamine MEA BASF and trolamine are by weight 1:1; Described di-carboxylic acid is 11 carbon di-carboxylic acid; Described 124 Triazole is the benzotriazole of technical grade; Described tribasic carboxylic acid is selected from the tribasic carboxylic acid of technical grade; Described di-mercaptobenzothiazolby verivate is the sodium salt of di-mercaptobenzothiazolby; Described stablizer is selected from the EDTA tetra-na salt.
Its preparation method is following; Comprise one according to the weigh step of each material of above-mentioned mass percent, comprise that one adds the step in the compounding kettle with organic amine, di-carboxylic acid, tribasic carboxylic acid under normal pressure, wherein; In described compounding kettle, stir and be warming up to 60 ℃, the reaction homogeneous transparent.Add the water measure again, continue to stir holding temperature to 60 ℃, add 124 Triazole, di-mercaptobenzothiazolby verivate, stablizer successively, stir 50min, mix blowing, filtration until product.
Embodiment 4
A kind of ferrous metal water soluble rust inhibitor; Form by organic amine, di-carboxylic acid, 124 Triazole, tribasic carboxylic acid, di-mercaptobenzothiazolby derivative, stablizer and water; The mass percent of described organic amine in the ferrous metal water soluble rust inhibitor is 40%; The mass percent of described di-carboxylic acid in the ferrous metal water soluble rust inhibitor is 15%; The mass percent of described 124 Triazole in the ferrous metal water soluble rust inhibitor is 3%, and the mass percent of described tribasic carboxylic acid in the ferrous metal water soluble rust inhibitor is 20%, and the mass percent of described di-mercaptobenzothiazolby verivate in the ferrous metal water soluble rust inhibitor is 1.5%; The mass percent of described stablizer in the ferrous metal water soluble rust inhibitor is 5%, and surplus is a water.
Wherein, described organic amine is that trolamine and AMP-95 mix by weight 9:1; Described di-carboxylic acid is that sebacic acid and 12 carbon di-carboxylic acid mix by 4:1; Described 124 Triazole is the benzotriazole of technical grade; Described tribasic carboxylic acid is selected from the tribasic carboxylic acid of technical grade; Described di-mercaptobenzothiazolby verivate is the sodium salt of di-mercaptobenzothiazolby; Described stablizer is selected from EDTA.
Its preparation method is following: comprise one according to the weigh step of each material of above-mentioned mass percent; Comprise that one adds the step in the compounding kettle with organic amine, di-carboxylic acid, tribasic carboxylic acid under normal pressure; Wherein, in described compounding kettle, stir and be warming up to 60 ℃, the reaction homogeneous transparent.Add the water measure again, continue to stir holding temperature to 60 ℃, add 124 Triazole, di-mercaptobenzothiazolby verivate, stablizer successively, stir 50min, mix blowing, filtration until product.
Measured data such as following table among above-mentioned each embodiment:
Beneficial effect of the present invention is: at first, this product is a liquid state, dissolves each other with the water arbitrary proportion, and extremely easy to use, use cost is low; Secondly because that this product belongs to is complete synthesis, store and stability in use fabulous, be in the complete stability state, life cycle length can be recycled; The 3rd, because of having adopted the composite optimization formula technique, the inhibition of ferrous metal or anti-corrosion effects have obtained maximum performance.
Being merely preferred embodiment of the present invention in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and modification, all should belong to technological category of the present invention.
Claims (8)
1. ferrous metal water soluble rust inhibitor; It is characterized in that: form by organic amine, di-carboxylic acid, 124 Triazole, tribasic carboxylic acid, di-mercaptobenzothiazolby verivate, stablizer and water; The mass percent of described organic amine in the ferrous metal water soluble rust inhibitor is 15～40%; The mass percent of described di-carboxylic acid in the ferrous metal water soluble rust inhibitor is 7～15%; The mass percent of described 124 Triazole in the ferrous metal water soluble rust inhibitor is 0.5～3%, and the mass percent of described tribasic carboxylic acid in the ferrous metal water soluble rust inhibitor is 8～20%, and the mass percent of described di-mercaptobenzothiazolby verivate in the ferrous metal water soluble rust inhibitor is 0.5～1.5%; The mass percent of described stablizer in the ferrous metal water soluble rust inhibitor is 0.5～5%, and surplus is a water.
2. ferrous metal water soluble rust inhibitor as claimed in claim 1 is characterized in that: described organic amine is selected from least a among Monoethanolamine MEA BASF, diethylolamine, trolamine, the AMP-95.
3. ferrous metal water soluble rust inhibitor as claimed in claim 1 is characterized in that: described di-carboxylic acid is selected from least a in sebacic acid, 11 carbon di-carboxylic acid, the 12 carbon di-carboxylic acid.
4. ferrous metal water soluble rust inhibitor as claimed in claim 1 is characterized in that: described 124 Triazole is the benzotriazole of technical grade.
5. ferrous metal water soluble rust inhibitor as claimed in claim 1 is characterized in that: described tribasic carboxylic acid is selected from the tribasic carboxylic acid of technical grade.
6. ferrous metal water soluble rust inhibitor as claimed in claim 1 is characterized in that: described di-mercaptobenzothiazolby verivate is the sodium salt of di-mercaptobenzothiazolby verivate.
7. ferrous metal water soluble rust inhibitor as claimed in claim 1 is characterized in that: described stablizer is selected from EDTA or EDTA sodium salt or NTA.
8. method for preparing ferrous metal water soluble rust inhibitor as claimed in claim 1; It is characterized in that: under normal pressure, organic amine, di-carboxylic acid, tribasic carboxylic acid are added the step in the compounding kettle; Wherein, in described compounding kettle, stir and be warming up to 40～60 ℃, the reaction homogeneous transparent; Add the water measure again, continue to stir holding temperature to 40～60 ℃, add 124 Triazole, di-mercaptobenzothiazolby verivate, stablizer successively, stir 30～50min, mix blowing, filtration until product.
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| CN2012103127414A CN102808184A (en) | 2012-08-29 | 2012-08-29 | Ferrous metal water-soluble corrosion inhibitor and preparation method thereof |
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| CN2012103127414A CN102808184A (en) | 2012-08-29 | 2012-08-29 | Ferrous metal water-soluble corrosion inhibitor and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213126A (en) * | 2014-09-25 | 2014-12-17 | 无锡康柏斯机械科技有限公司 | Metal surface rust inhibitor and preparation method thereof |
| CN104593777A (en) * | 2014-08-19 | 2015-05-06 | 中国特种飞行器研究所 | Preparation method of long-acting water replacement type hard membrane corrosion inhibitor for aircrafts |
| CN114411154A (en) * | 2021-12-14 | 2022-04-29 | 西安宸凯瑞沃环保科技有限公司 | Water-soluble low-conductivity antirust liquid and preparation method thereof |
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| CN101659802A (en) * | 2009-09-10 | 2010-03-03 | 天津市华阳新兴科技有限公司 | Emulsified metal antirusting agent and preparation method thereof |
| CN102021583A (en) * | 2011-01-07 | 2011-04-20 | 陕西省石油化工研究设计院 | Corrosion inhibitor for oil well and preparation method thereof |
| CN102206826A (en) * | 2011-04-28 | 2011-10-05 | 上海交通大学 | Preparation method of compound copper corrosion inhibitor and surface treatment method by using compound copper corrosion inhibitor |
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2012
- 2012-08-29 CN CN2012103127414A patent/CN102808184A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4120655A (en) * | 1976-07-13 | 1978-10-17 | Societe Nationale Elf Aquitaine | Method for the inhibition of corrosion of ferrous metals in an aqueous medium |
| CN1493713A (en) * | 2002-10-28 | 2004-05-05 | 启东尤希路化学工业有限公司 | Wet Levelling liquid |
| CN1664167A (en) * | 2004-02-25 | 2005-09-07 | Posco公司 | Method of protecting metals from corrosion using thiol compounds |
| CN101659802A (en) * | 2009-09-10 | 2010-03-03 | 天津市华阳新兴科技有限公司 | Emulsified metal antirusting agent and preparation method thereof |
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| CN102206826A (en) * | 2011-04-28 | 2011-10-05 | 上海交通大学 | Preparation method of compound copper corrosion inhibitor and surface treatment method by using compound copper corrosion inhibitor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593777A (en) * | 2014-08-19 | 2015-05-06 | 中国特种飞行器研究所 | Preparation method of long-acting water replacement type hard membrane corrosion inhibitor for aircrafts |
| CN104213126A (en) * | 2014-09-25 | 2014-12-17 | 无锡康柏斯机械科技有限公司 | Metal surface rust inhibitor and preparation method thereof |
| CN114411154A (en) * | 2021-12-14 | 2022-04-29 | 西安宸凯瑞沃环保科技有限公司 | Water-soluble low-conductivity antirust liquid and preparation method thereof |
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Application publication date: 20121205 |