CN103225085A - Application of triazole compound containing salicylaldehyde as high efficiency corrosion inhibitor - Google Patents
Application of triazole compound containing salicylaldehyde as high efficiency corrosion inhibitor Download PDFInfo
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- CN103225085A CN103225085A CN2013101461284A CN201310146128A CN103225085A CN 103225085 A CN103225085 A CN 103225085A CN 2013101461284 A CN2013101461284 A CN 2013101461284A CN 201310146128 A CN201310146128 A CN 201310146128A CN 103225085 A CN103225085 A CN 103225085A
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Abstract
The invention relates to a corrosion inhibitor of copper in seawater or sodium chloride solution, that is a low toxicity and high efficiency corrosion inhibitor for inhibiting corrosion of metal copper and product thereof in seawater or sodium chloride medium and application thereof. The effective component is 2-{5-[3-(4'-methyl)phenyl-4-amino-(1, 2, 4) sym-triazole]}sulfo-N-[(2'-hydroxyphenyl) methane] acethydrazide. The product provided by the invention can effectively prevent general corrosion and partial corrosion of metal copper in the contact process of seawater or sodium chloride solution. The compound is already synthesized in the laboratory, and widely applied in the antibiosis experiment, but is not used as a metal corrosion inhibitor. The corrosion inhibitor provided by the invention has the advantages of small amount, few toxicity, high efficiency and long action time, and corrosion destroy of metal copper can be effectively inhibited and the product has a wide application prospect.
Description
Technical field
The present invention relates to the corrosion inhibitor of sea water of copper, specifically a kind of application that contains the triazole compound of salicylic aldehyde as high-efficient corrosion inhibitor.
Background technology
Along with the continuous consumption of the various resources in land, the development and utilization oceanic resources become the inevitable approach that solves current resource exhaustion problem.But seawater belongs to strong electrolyte solution, and metal is had intensive corrodibility, has limited the development and utilization of oceanic resources dramatically.Therefore, have only to have solved the etching problem of metallic substance in seawater, could really embody the development and utilization of marine resources and be worth.
Copper has characteristics such as good physical strength, workability, electroconductibility, weldability, is used widely in industry, field such as military and civilian for a long time.Yet, though copper comes hydrogen in metal activity command table after, activity is relatively poor, but in containing corrosive medium systems such as chlorion, vitriol, nitrate, copper also very easily is subjected to corrosion failure in various degree, thereby loses its original various performances, even brings huge disaster.
At present, though there have been many bibliographical informations to cross the corrosion inhibitor of sea water of metallic copper, the inhibiter quantity that can be applied in the actual production is but very rare.
Summary of the invention
The object of the present invention is to provide a kind of low toxicity, environmental protection, contain of the application of the triazole compound of salicylic aldehyde efficiently as high-efficient corrosion inhibitor.
The present invention adopts technical scheme to be for achieving the above object:
A kind of application that contains the triazole compound of salicylic aldehyde as high-efficient corrosion inhibitor, the described triazole compound that contains salicylic aldehyde is 2-{5-[3-(4 '-methyl) phenyl-4-amino-(1,2,4) triazole] } sulfo--N-[(2 '-hydroxy phenyl) methyne] acethydrazide, its structural formula is suc as formula shown in one:
Further, be 0.1%-5%(weight with described formula one compound as containing concentration) medium of sodium-chlor or the anticorrosion corrosion inhibitor of copper in the seawater and metal products thereof.
Again further; formula one compound is added fully dissolving in the hexanaphthene; add emulsifier op-10 again; fully dissolving disperses to make 2%-5%(weight) microemulsion, during use it is joined in medium or the seawater, and then can carry out anti-corrosion protection copper in medium or the seawater and metal products thereof; wherein the amount of every liter of medium or seawater Chinese style one compound is 5-100mg; the submergence temperature is 10-60 ℃, and Immersion time is no less than 30 minutes, and the pH scope is 5.5-10.5.
The preparation method of described formula one compound is as follows:
By p-methylbenzoic acid, methyl alcohol, thionyl chloride, chloroform, saturated sodium hydroxide, potassium hydroxide, acetone and ethanol carry out series of chemical, can obtain white flocculent substance, be 2-{5-[3-(4 '-methyl) phenyl-4-amino-(1,2,4) triazole] } the thioacetyl hydrazine.(2-{5-[3-(4 '-methyl) phenyl-4-amino-(1,2,4) triazole] } preparation of thioacetyl hydrazine is by Qingdao University of Science and Technology's master thesis in 2011 bright cloud in the Meng 1,2,4-triazole series compound synthetic and characterize the synthetic of p18-20. China's master thesis full-text database or Qingdao University of Science and Technology's master thesis ginger in 2012 Jingjing triazole series compound and the method that characterizes in the p29-32. China master thesis full-text database document is carried out is simultaneously referring to the sign of related compound wherein).Get 2-{5-[3-(4 '-methyl) phenyl-4-amino-(1,2,4) triazole] } the thioacetyl hydrazine joins in the single necked round bottom flask, and use transfer pipet to get in the salicylic aldehyde adding flask, both drip several Glacial acetic acid and make catalyzer in the ratio reaction of 1:1 (mol) in flask, add an amount of ethanol, normal-temperature reaction 4h, reaction solution are yellow thickness state.Leave standstill, suction filtration, the light yellow crystal shape material that obtains after the drying is product, and the nucleus magnetic resonance characterization result is as follows:
1HNMR(CDCl
3)：δ＝6.93-8.52(m，8H，Ar-H)；δ＝8.50(s，1H，-N=CH-)；δ＝4.96(s，2H，-OH)；δ＝4.00(s，2H，-SCH
2-)；δ＝3.20(s，1H，-NH
2)；δ＝2.81(s，1H，-NH
2)；δ＝2.34(s，3H，-CH
3)
Prove 2-{5-[3-(4 '-methyl) phenyl-4-amino-(1,2,4) triazole] } sulfo--N-[(2 '-hydroxy phenyl) methyne] acethydrazide, fusing point is 227-228 ℃.(2-{5-[3-(4 '-methyl) phenyl-4-amino-(1,2,4) triazole] } sulfo--N-[(2 '-hydroxy phenyl) methyne] preparation of acethydrazide is by Qingdao University of Science and Technology's master thesis in 2011 bright cloud in the Meng 1,2, the method synthetic and that characterize in p21-22. China's master thesis full-text database or the Qingdao University of Science and Technology's document of 4-triazole series compound is carried out).Final reaction process is suc as formula shown in two.
The advantage that the present invention had:
1. cost is low.Inhibiter effective constituent of the present invention is 2-{5-[3-(4 '-methyl) phenyl-4-amino-(1,2,4) triazole] } sulfo--N-[(2 '-hydroxy phenyl) methyne] acethydrazide, synthesis material is simple and easy to, and is cheap, and it is convenient to buy.
2. low toxic and environment-friendly.Inhibiter of the present invention is compared with traditional organic copper inhibiter with inorganic copper inhibitor commonly used at present, and natural degradation is nontoxic or low toxicity material in the sun, can not bring load to environment, meets the trend of green corrosion inhibitor development.
3. suitability is strong.Inhibiter of the present invention applied widely all has good corrosion inhibition under different salinity, temperature, pH, inhibition efficiency can reach 85%-99%.
4. high efficiency.The present invention adds a spot of inhibiter just can effectively suppress the destruction of metallic copper in corrosive medium.
5. good endurance.Inhibiter of the present invention has good weather resistance, can keep higher corrosion inhibition for a long time.
Embodiment
The present invention adds fully dissolving in the hexanaphthene with formula one compound; add emulsifier op-10 again; fully dissolving disperses to make 2%-5%(weight) microemulsion; during use it is joined in medium or the seawater; and then can carry out anti-corrosion protection to copper in medium or the seawater and metal products thereof, and wherein the amount of every liter of medium or seawater Chinese style one compound is 5-100mg, the submergence temperature is 10-60 ℃; Immersion time is no less than 30 minutes, and the pH scope is 5.5-10.5.
The present invention carries out zero-G test according to JB/T7901-1999 " metallic substance laboratory uniform corrosion is soaked experimental technique entirely ", and adopts electrochemical impedance spectroscopy and two kinds of electrochemical methods of electrokinetic potential polarization to carry out the corrosion inhibition sign.Though the inhibition efficiency that three kinds of methods obtain has certain difference, this mainly be since the weight-loss method test be average corrosion rate, the electrochemical method test be instantaneous erosion rate, the general trend of the whole bag of tricks test result is consistent.As can be seen, has good corrosion inhibition at different condition following formula one compound.
Embodiment 1
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 0.5g, and temperature is 25 ℃, pH=6.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 90.06%, and electrochemical impedance spectroscopy 91.48%, electrokinetic potential polarization 85.87% is shown as the inhibiter that consumption is low, efficient is high.
Embodiment 2
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 1.0g, and temperature is 25 ℃, pH=6.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 91.64%, and electrochemical impedance spectroscopy 92.86%, electrokinetic potential polarization 91.64% is shown as the inhibiter that consumption is low, efficient is high.
Embodiment 3
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 2.0g, and temperature is 25 ℃, pH=6.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 91.23%, and electrochemical impedance spectroscopy 93.16%, electrokinetic potential polarization 93.54% is shown as the inhibiter that consumption is low, efficient is high.
Embodiment 4
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 5.0g, and temperature is 25 ℃, pH=6.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 96.50%, and electrochemical impedance spectroscopy 84.23%, electrokinetic potential polarization 94.02% is shown as the inhibiter that consumption is low, efficient is high.
Embodiment 5
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 10.0g, and temperature is 25 ℃, pH=6.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 97.17%, and electrochemical impedance spectroscopy 97.84%, electrokinetic potential polarization 95.89% is shown as the inhibiter that consumption is low, efficient is high.
Embodiment 6
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 1.0g, and temperature is 25 ℃, pH=5.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 90.2%, and electrochemical impedance spectroscopy 91.6%, electrokinetic potential polarization 90.7% is shown as high-level efficiency inhibiter under the acidic conditions.
Embodiment 7
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 1.0g, and temperature is 25 ℃, pH=7.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 90.5%, and electrochemical impedance spectroscopy 93.7%, electrokinetic potential polarization 92.4% is shown as high-level efficiency inhibiter under the neutrallty condition.
Embodiment 8
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 1.0g, and temperature is 25 ℃, pH=8.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 93.1%, and electrochemical impedance spectroscopy 95.4%, electrokinetic potential polarization 94.7% is shown as high-level efficiency inhibiter under the alkaline condition.
Embodiment 9
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 1.0g, and temperature is 25 ℃, pH=9.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 91.5%, and electrochemical impedance spectroscopy 92.4%, electrokinetic potential polarization 92.8% is shown as high-level efficiency inhibiter under the alkaline condition.
Embodiment 10
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 1.0g, and temperature is 35 ℃, pH=10.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 97.57%, and electrochemical impedance spectroscopy 99.32%, electrokinetic potential polarization 95.70% demonstrates corrosion inhibition good under the differing temps.
Embodiment 11
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 1.0g, and temperature is 35 ℃, pH=6.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 92.4%, and electrochemical impedance spectroscopy 94.3%, electrokinetic potential polarization 92.8% demonstrates corrosion inhibition good under the differing temps.
Embodiment 12
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 1.0g, and temperature is 45 ℃, pH=6.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 91.5%, and electrochemical impedance spectroscopy 93.3%, electrokinetic potential polarization 92.2% demonstrates corrosion inhibition good under the differing temps.
Embodiment 13
Experiment material is red copper (99.999%), formula one compound is made into inhibiter, medium is 3.5% sodium chloride solution, and the red copper goods are immersed in the medium that adds inhibiter, and temperature is 25 ℃, pH=7.5, its medium consumption is 100L, and medium Chinese style one compound add-on is 1.0g, and temperature is 55 ℃, pH=6.5, Immersion time are 14 days.
Inhibiter is: formula one compound is dissolved in the hexanaphthene itself and hexanaphthene (C
4H
12) weight ratio be 1:10, then at room temperature mixing solutions was carried out ultra-sonic dispersion 20 minutes with ultrasonic disperser, make it to dissolve fully; Then, the solution after fully dissolving is joined OP-10 emulsifying agent (C
34H
62O
11) in (Da Mao chemical apparatus supply station, Tianjin), the add-on of OP-10 emulsifying agent and hexanaphthene (C
4H
12) weight ratio be 1:1, be stirred under the room temperature and present uniform microemulsion, get final product.
Test acquisition inhibition efficiency is respectively by experiment: weightlessness 88.3%, and electrochemical impedance spectroscopy 89.7%, electrokinetic potential polarization 89.8% demonstrates corrosion inhibition good under the differing temps.
Claims (4)
1. application that contains the triazole compound of salicylic aldehyde as high-efficient corrosion inhibitor, it is characterized in that: contain of the application of the triazole compound of salicylic aldehyde as high-efficient corrosion inhibitor, the described triazole compound that contains salicylic aldehyde is 2-{5-[3-(4 '-methyl) phenyl-4-amino-(1,2,4) triazole] } sulfo--N-[(2 '-hydroxy phenyl) methyne] acethydrazide, its structural formula is suc as formula shown in one:
2. by the described application that contains the triazole compound of salicylic aldehyde as high-efficient corrosion inhibitor of claim 1, it is characterized in that: is 0.1%-5%(weight with described formula one compound as concentration) medium of sodium-chlor or the anticorrosion corrosion inhibitor of copper in the seawater and metal products thereof.
3. by claim 1 or the 2 described application that contain the triazole compound of salicylic aldehyde as high-efficient corrosion inhibitor; it is characterized in that: formula one compound is added fully dissolving in the hexanaphthene; add emulsifier op-10 again; fully dissolving disperses to make 2%-5%(weight) microemulsion; during use it is joined in medium or the seawater, and then can carry out anti-corrosion protection copper in medium or the seawater and metal products thereof.
4. by the described application that contains the triazole compound of salicylic aldehyde as high-efficient corrosion inhibitor of claim 3, it is characterized in that: the amount of described every liter of medium or seawater Chinese style one compound is 5-100mg, the submergence temperature is 10-60 ℃, and Immersion time is no less than 30 minutes, and the pH scope is 5.5-10.5.
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| CN109438417A (en) * | 2018-12-11 | 2019-03-08 | 怀化学院 | Acylhydrazone and its preparation method and application |
| CN110982119A (en) * | 2019-12-20 | 2020-04-10 | 杭州本松新材料技术股份有限公司 | Use of triazole compound as thermoplastic resin material additive for low-voltage electric appliance shell |
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| CN103243334A (en) * | 2013-04-25 | 2013-08-14 | 中国科学院海洋研究所 | Application of triazole compound containing anisic aldehyde as efficient corrosion inhibitor |
| CN107986661A (en) * | 2017-11-29 | 2018-05-04 | 中国科学院海洋研究所 | A kind of triazole corrosion inhibitor compound of active group containing salicylide of hydrotalcite intercalation chlorion probe modification and its application |
| CN109438417A (en) * | 2018-12-11 | 2019-03-08 | 怀化学院 | Acylhydrazone and its preparation method and application |
| CN109438417B (en) * | 2018-12-11 | 2020-04-21 | 怀化学院 | Acylhydrazone compound and preparation method and application thereof |
| CN110982119A (en) * | 2019-12-20 | 2020-04-10 | 杭州本松新材料技术股份有限公司 | Use of triazole compound as thermoplastic resin material additive for low-voltage electric appliance shell |
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