CN105780011B - One kind containing the corrosion inhibiter and preparation method thereof of imidazo [1,2-a] pyridine compounds and their - Google Patents
One kind containing the corrosion inhibiter and preparation method thereof of imidazo [1,2-a] pyridine compounds and their Download PDFInfo
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- CN105780011B CN105780011B CN201610131160.9A CN201610131160A CN105780011B CN 105780011 B CN105780011 B CN 105780011B CN 201610131160 A CN201610131160 A CN 201610131160A CN 105780011 B CN105780011 B CN 105780011B
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- imidazo
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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
Abstract
The present invention relates to one kind containing imidazo [1,2-a] pyridine compounds and their corrosion inhibiter and preparation method thereof, the corrosion inhibiter includes the polyolefin acid of imidazo [1,2-a] pyridine compounds and their of 1-5 parts by weight, the ammonium stearate of 4-25 parts by weight, the alcohol of 50-200 parts by weight, the amino acid of 1-5 parts by weight and 5-25 parts by weight.Beneficial effects of the present invention are：Not only dosage is few for corrosion inhibiter prepared by method using the present invention, but also effect is good, therefore relative cost is lower.
Description
Technical field
The present invention relates to a kind of corrosion inhibiter, and in particular to one kind containing the corrosion inhibiter of imidazo [1,2-a] pyridine compounds and their
And preparation method thereof.
Background technology
Corrosion inhibiter by concentration appropriate and in the form of be present in environment (medium) when, can prevent or slow down material corrosion
Chemical substance or compound, therefore corrosion inhibiter is referred to as corrosion inhibitor.The dosage very little (0.1%~1%) of corrosion inhibiter,
But significant effect., it is this protection metal method claim corrosion inhibiter to protect.(boiler feed water, cycle are cold for neutral medium for corrosion inhibiter
But water), acid medium (hydrochloric acid to descale, the acid dip solution of plating piece derusting before being electroplated) and gas medium (vapor phase corrosion inhibitor
Agent).
Chinese patent CN102108513A discloses a kind of composite corrosion inhibitor suitable for corrosive medium, and the Compositional type is slow
Erosion agent is made of cis-butenedioic anhydride octylame corrosion inhibiter, oleamide corrosion inhibiter, sodium molybdate corrosion inhibitor and BTA inhibitor, and mass fraction is：
Cis-butenedioic anhydride octylame corrosion inhibiter 10%~75%, oleamide corrosion inhibiter 10%~75%, sodium molybdate corrosion inhibitor 10%~75%, BTA
Corrosion inhibiter 5%~50%.It is rotten that the composite corrosion inhibitor that this kind of corrosion inhibiter is suitable for corrosive medium is particularly suitable for neutral and alkalinity
It loses in medium, can effectively inhibit the corrosion phenomenon of carbon steel and copper alloy in neutral and alkaline medium simultaneously.
Chinese patent CN100491595A discloses a kind of restrainer and preparation method thereof, belongs to anticorrosive metal skill
Art field, the product are made of 6- nitre production Waste water concentrating liquid, organic inhibitor, inorganic inhibitor and surfactant.The party
It is that primary raw material is filtered to remove impurity after evaporation and concentration that method, which is using the waste water in 6- nitre production processes, is added a small amount of
Organic inhibitor and inorganic inhibitor and surfactant, be uniformly mixed and form product.The quality of the product is high, dosage is few,
Slow corrosion inhibiting fog effect is good, makes full use of waste resource, is conducive to environmental protection；This method is simple for process, low production cost, just
In industrial production, therefore the product can be widely applied to prevent the metal material corrosion of acid solution to metal material in pickling, especially
Suitable for preventing corrosion of the steel material in pickling.
When traditional corrosion inhibiter reaches metal coating effect, need to reach 0.1% of water or more, and be easy with dampening
The flowing of stream, and lose protecting effect.
Invention content
In order to solve the above problem of the existing technology, the present invention provides one kind containing imidazo [1,2-a] pyridines
Corrosion inhibiter of compound and preparation method thereof, not only dosage is few for corrosion inhibiter prepared by method using the present invention, but also effect is good,
Therefore relative cost is lower.
The technical solution adopted in the present invention is：
One kind containing the corrosion inhibiter of imidazo [1,2-a] pyridine compounds and their, which is characterized in that the corrosion inhibiter includes 1-5 weights
Imidazo [1,2-a] pyridine compounds and their of amount part, the ammonium stearate of 4-25 parts by weight, the alcohol of 50-200 parts by weight, 1-5 weight
The polyolefin acid of the amino acid and 5-25 parts by weight of part.
Preferably, the corrosion inhibiter includes imidazo [1,2-a] pyridine compounds and their of 2-3 parts by weight, 6-20 parts by weight
Ammonium stearate, the alcohol of 100-150 parts by weight, 2-3 parts by weight amino acid and 8-20 parts by weight polyolefin acid.
Preferably, imidazo [1, the 2-a] pyridine compounds and their be selected from imidazo [1,2-a] pyridine, imidazo [1,
2-a] at least one of pyridine -6- formaldehyde and 8- carboxylic acids imidazo [1,2-a] pyridine.
Preferably, the alcohol is selected from least one of ethyl alcohol, propyl alcohol and butanol.
Preferably, the amino acid is selected from least one of alanine, glutamic acid and leucine.
Preferably, the polyolefin acid is selected from least one of acid polyethylene, polyacrylic acid and polyaerylic acid.
Preferably, the corrosion inhibiter further includes the polymaleic anhydride of 5-25 parts by weight.
The present invention also provides a kind of preparation methods of the corrosion inhibiter containing imidazo [1,2-a] pyridine compounds and their, wherein institute
Stating preparation method includes：According to corrosion inhibiter component and weight of the present invention containing imidazo [1,2-a] pyridine compounds and their
Imidazo [1,2-a] pyridine compounds and their is dissolved in alcohol by number be placed in and stand 1-5 hours at 40-60 DEG C after, hard ester is added
Sour ammonium, amino acid and polyolefin acid, are placed at 25-55 DEG C and stir evenly, and are then added or are added without polymaleic anhydride.
Preferably, the temperature of the standing is 50-55 DEG C, and the time of the standing is 2-3 hours.
Preferably, the temperature stirred evenly is 35-40 DEG C.
Beneficial effects of the present invention are：
1, imidazo [1,2-a] pyridine compounds and their of the invention is drug or medicine intermediate, is easy degradation, is not easy pair
Environment pollutes, and can be used discarded drug again, saves social resources；
2, amino acid, ammonium stearate and polyolefin acid etc. of the invention are the harmless organic matter of human body, therefore the present invention's is slow
Erosion agent can be used for the fields such as wastewater treatment and boiler feed water；
3, inhibiter consumption of the invention is few, it might even be possible to less than 0.1% hereinafter, help to reduce metal coating at
This, for large-scale water treatment facilities, even more greatly reduces processing cost.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
The present invention provides a kind of corrosion inhibiter containing imidazo [1,2-a] pyridine compounds and their, which is characterized in that the corrosion inhibiter
Imidazo [1,2-a] pyridine compounds and their, the ammonium stearate of 4-25 parts by weight, 50-200 parts by weight including 1-5 parts by weight
The polyolefin acid of alcohol, the amino acid of 1-5 parts by weight and 5-25 parts by weight preferably includes imidazo [1,2-a] pyridine of 2-3 parts by weight
Class compound, the ammonium stearate of 6-20 parts by weight, the alcohol of 100-150 parts by weight, the amino acid of 2-3 parts by weight and 8-20 parts by weight
Polyolefin acid.
According to the present invention, imidazo [1,2-a] pyridine compounds and their is well-known to those skilled in the art, refer to containing
The compound of imidazo [1,2-a] pyridine groups, such as can be selected from imidazo [1,2-a] pyridine, imidazo [1,2-a] pyrrole
At least one of pyridine -6- formaldehyde and 8- carboxylic acids imidazo [1,2-a] pyridine.
According to the present invention, alcohol be it is well known to those skilled in the art, for example, in ethyl alcohol, propyl alcohol and butanol at least
It is a kind of.
According to the present invention, amino acid can be adsorbed on metallic surface, to prevent to corrode, for example, the amino acid can
Think selected from least one of alanine, glutamic acid and leucine.
According to the present invention, polyolefin acid refers to the polyolefin containing carboxyl, for example, the polyolefin acid can be selected from polyethylene
At least one of acid, polyacrylic acid and polyaerylic acid.
According to the present invention, the corrosion inhibiter further preferably includes the polymaleic anhydride of 5-25 parts by weight.
The present invention also provides a kind of preparation method of the corrosion inhibiter containing imidazo [1,2-a] pyridine compounds and their, features
It is, the preparation method includes：According to the corrosion inhibiter component of the present invention containing imidazo [1,2-a] pyridine compounds and their
Imidazo [1,2-a] pyridine compounds and their is dissolved in alcohol with parts by weight after being placed in and standing 1-5 hours at 40-60 DEG C, added
Enter ammonium stearate, amino acid and polyolefin acid, be placed at 25-55 DEG C and stir evenly, is then added or is added without polymaleic anhydride.
According to the present invention, the temperature of the standing is preferably 50-55 DEG C, and the time of the standing is preferably 2-3 hours.
According to the present invention, the temperature stirred evenly is preferably 35-40 DEG C.
It will be further illustrated the present invention below by embodiment, but the present invention is not therefore subject to any restriction.
Unless otherwise instructed, instrument and reagent of the present invention are commercially available, and the commodity of different brands do not influence specifically to make
With.
Corrosion inhibiter corrosion mitigating effect assay method of the embodiment of the present invention is：A3 steel is used into the inhibition containing the embodiment of the present invention
The hydrochloric acid solution of 20 mass % of agent carries out impregnating 4 hours at 60 DEG C, the weight of A3 steel after weighing is impregnated, and measurement corrosion inhibition rate=
After immersion before weight/immersion of A3 steel A3 steel weight.
Embodiment 1
According to imidazo [1,2-a] pyridine, the ammonium stearate of 25 parts by weight, 200 parts by weight that weight fraction is 1 parts by weight
Butanol, 5 parts by weight alanine and 15 parts by weight polyaerylic acid, imidazo [1,2-a] pyridine is dissolved in juxtaposition in butanol
After standing 1 hour at 60 DEG C, ammonium stearate, alanine and polyaerylic acid is added, is placed at 55 DEG C and stirs evenly, obtain inhibition
Agent 1, it is 98.82% to measure corrosion inhibition rate, and corrosion inhibiter addition is 0.03%.
Embodiment 2
According to the ammonium stearate of imidazo [1,2-a] pyridine -6- formaldehyde, 17 parts by weight that weight fraction is 5 parts by weight, 50
The polyacrylic acid of the propyl alcohol of parts by weight, the glutamic acid of 1 parts by weight and 25 parts by weight, imidazo [1,2-a] pyridine -6- formaldehyde is molten
It is placed in propyl alcohol after standing 5 hours at 50 DEG C, ammonium stearate, glutamic acid and polyacrylic acid is added, is placed at 25 DEG C and stirs
Uniformly, corrosion inhibiter 2 is obtained, it is 99.35% to measure corrosion inhibition rate, and corrosion inhibiter addition is 0.07%.
Embodiment 3
According to the ammonium stearate of 8- carboxylic acids imidazo [1,2-a] pyridine, 4 parts by weight that weight fraction is 3 parts by weight, 100
The polymaleic anhydride of the ethyl alcohol of parts by weight, the leucine of 3 parts by weight, the acid polyethylene of 5 parts by weight and 15 parts by weight, by 8- carboxylic acids
Imidazo [1,2-a] pyridine is dissolved in ethyl alcohol be placed in and stand 3 hours at 40 DEG C after, ammonium stearate, leucine and poly- second is added
Olefin(e) acid is placed at 35 DEG C and stirs evenly, polymaleic anhydride is then added, and obtains corrosion inhibiter 3, and it is 99.82% to measure corrosion inhibition rate, is delayed
It is 0.13% to lose agent addition.
Comparative example
It is added without the corrosion inhibition rate that corrosion inhibiter directly measures A3 steel, is measured as 0%, i.e. A3 steel is completely dissolved.
By embodiment and comparative example it is found that the inhibiter consumption of the present invention is few, corrosion mitigating effect is good.
Claims (4)
1. one kind containing the corrosion inhibiter of imidazo [1,2-a] pyridine compounds and their, which is characterized in that the corrosion inhibiter includes 2-3 weight
Imidazo [1,2-a] pyridine compounds and their of part, the ammonium stearate of 6-20 parts by weight, the alcohol of 100-150 parts by weight, 2-3 weight
The polymaleic anhydride of the amino acid of part and the polyolefin acid of 8-20 parts by weight, 5-25 parts by weight；
Imidazo [1,2-a] pyridine compounds and their is selected from imidazo [1,2-a] pyridine, imidazo [1,2-a] pyridine -6-
At least one of formaldehyde and 8- carboxylic acids imidazo [1,2-a] pyridine, the alcohol be in ethyl alcohol, propyl alcohol and butanol at least
One kind, the amino acid are selected from least one of alanine, glutamic acid and leucine, and the polyolefin acid is selected from polyethylene
At least one of acid, polyacrylic acid and polyaerylic acid.
2. the preparation method of corrosion inhibiter of the one kind containing imidazo [1,2-a] pyridine compounds and their, which is characterized in that the preparation side
Method includes：Corrosion inhibiter component and parts by weight described in accordance with the claim 1 containing imidazo [1,2-a] pyridine compounds and their will
Imidazo [1,2-a] pyridine compounds and their is dissolved in alcohol be placed in and stand 1-5 hours at 40-60 DEG C after, ammonium stearate, ammonia is added
Base acid and polyolefin acid, are placed at 25-55 DEG C and stir evenly, polymaleic anhydride is then added.
3. the preparation method of the corrosion inhibiter according to claim 2 containing imidazo [1,2-a] pyridine compounds and their, feature exist
In the temperature of the standing is 50-55 DEG C, and the time of the standing is 2-3 hours.
4. the preparation method of the corrosion inhibiter according to claim 3 containing imidazo [1,2-a] pyridine compounds and their, feature exist
In the temperature stirred evenly is 35-40 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131160.9A CN105780011B (en) | 2016-03-08 | 2016-03-08 | One kind containing the corrosion inhibiter and preparation method thereof of imidazo [1,2-a] pyridine compounds and their |
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| CN201610131160.9A CN105780011B (en) | 2016-03-08 | 2016-03-08 | One kind containing the corrosion inhibiter and preparation method thereof of imidazo [1,2-a] pyridine compounds and their |
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| CN105780011A CN105780011A (en) | 2016-07-20 |
| CN105780011B true CN105780011B (en) | 2018-11-13 |
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Citations (5)
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| CN87107003A (en) * | 1986-10-17 | 1988-04-27 | 株式会社片山化学工业研究所 | Anticorrosion treatment method for soft water boiler |
| CN1123253A (en) * | 1994-09-12 | 1996-05-29 | 罗姆和哈斯公司 | Method of inhibiting corrosion in aqueous systems using poly(amino acids) |
| CN1359430A (en) * | 1999-05-03 | 2002-07-17 | 贝茨迪尔博恩公司 | Inhibition of corrosion in aqueous systems |
| CN101809199A (en) * | 2007-06-21 | 2010-08-18 | 恩索恩公司 | The corrosion prevention of bronze |
| CN103774160A (en) * | 2014-01-20 | 2014-05-07 | 东北大学 | Method for controlling local surface corrosion in stainless steel pickling process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359430C (en) * | 2005-03-11 | 2008-01-02 | 佛山市顺德区顺达电脑厂有限公司 | Method for hot Atach & Detach changing battery module of portable electrical equipment |
-
2016
- 2016-03-08 CN CN201610131160.9A patent/CN105780011B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87107003A (en) * | 1986-10-17 | 1988-04-27 | 株式会社片山化学工业研究所 | Anticorrosion treatment method for soft water boiler |
| CN1123253A (en) * | 1994-09-12 | 1996-05-29 | 罗姆和哈斯公司 | Method of inhibiting corrosion in aqueous systems using poly(amino acids) |
| CN1359430A (en) * | 1999-05-03 | 2002-07-17 | 贝茨迪尔博恩公司 | Inhibition of corrosion in aqueous systems |
| CN101809199A (en) * | 2007-06-21 | 2010-08-18 | 恩索恩公司 | The corrosion prevention of bronze |
| CN103774160A (en) * | 2014-01-20 | 2014-05-07 | 东北大学 | Method for controlling local surface corrosion in stainless steel pickling process |
Non-Patent Citations (1)
| Title |
|---|
| 钼酸盐复配绿色缓蚀剂的研究;李玉明等;《衡阳师范学院学报》;20081231;第29卷(第6期);全文 * |
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Effective date of registration: 20181009 Address after: 833200 18 Industrial Avenue, 55 Industrial Park, Karamay, Xinjiang Applicant after: Karamay Zhongke Hengxin Technology Co., Ltd. Address before: 528051 K room 2 08-14 2 floor, 127 Zhangcha Road, Chancheng, Foshan, Guangdong. Applicant before: FOSHAN JUCHENG BIOCHEMISTRY TECHNOLOGY R&D CO., LTD. |
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