CN107604367A - A kind of amino-acid oxidase graphene composite corrosion inhibitor and its application - Google Patents
A kind of amino-acid oxidase graphene composite corrosion inhibitor and its application Download PDFInfo
- Publication number
- CN107604367A CN107604367A CN201710740911.1A CN201710740911A CN107604367A CN 107604367 A CN107604367 A CN 107604367A CN 201710740911 A CN201710740911 A CN 201710740911A CN 107604367 A CN107604367 A CN 107604367A
- Authority
- CN
- China
- Prior art keywords
- graphene oxide
- amino acid
- acid
- water
- graphene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a kind of amino-acid oxidase graphene composite corrosion inhibitor, and the wherein quality proportioning of amino acid and graphene oxide is 10~1000:1, described amino acid is L serines.The invention also discloses a kind of system with corrosion inhibition, and it is saline solns or dilute acid soln, and is dispersed with 5~20mmol/L amino acid and 10~50mg/L graphene oxides.The invention also discloses the preparation method of the system with corrosion inhibition.The amino-acid oxidase graphene composite corrosion inhibitor can effectively slow down corrosion of metal under strong acid or sea conditions, industrial copper product be particularly suitable for use in acid or sea conditions inhibition, and amino acid therein and graphene oxide are the relatively low raw material of toxicity, it is ensured that the low toxic and environment-friendly of composite corrosion inhibitor.
Description
Technical field
The present invention relates to inhibiter technology field, and in particular to a kind of amino acid-graphene oxide composite corrosion inhibitor, and bag
System with corrosion inhibition and its collocation method and application containing it.
Background technology
With the continuous development of contemporary Metal Material Science, metal is more in industrial or agricultural, construction industry, space flight and aviation, electronic information etc.
The application in field is more and more extensive.And in chemical industry, metal material such as steel, copper and its alloy etc. are easily by residing
Surrounding medium influences and chemistry or electrochemical reaction occurs so as to be damaged in metal interface, so as to form metal erosion.Example
Such as in chemical process, metal machinery equipment often contacts with strong corrosive media (such as acid, alkali, salt), particularly in height
Under warm high pressure and the process conditions of high flow rate, etching problem seems more prominent and serious.
According to statistics, the 10%~20% of the annual metal loss total amount in the whole world is as caused by corrosion, with regard to the annual steel of China
Up to for 2.2 hundreds of millions tons, equivalent to 22,000,000 tons steel are consumed yield due to corrosion.The harm of metal erosion is very big, except
Industrial equipment can be damaged, shortens its service life, it is also possible to causes the generation of the catastrophic failures such as fire, blast.This is not only big
It is big to improve industrial cost, cause huge economic losses, can also cause the serious wasting of resources and environmental pollution.Then exploitation is effective
Metal erosion preventive means is most important.However, instantly commercially available inorganic and organic inhibitor is provided with certain toxicity, can be right
The human organs such as the kidney or liver of human body cause damage.Therefore, find with exploitation high efficiency, hypotoxicity green corrosion inhibitor into
For a new trend of corrosion inhibiter development.
The content of the invention
Has virose technical problem for corrosion inhibiter of the prior art, it is an object of the invention to provide a kind of inhibition
The good and less toxic green amino acid-graphene oxide composite corrosion inhibitor of effect, the graphene oxide composite corrosion inhibitor
Corrosion of the metal especially copper product under strong acid or sea conditions can effectively be slowed down.
In the amino acid-graphene oxide composite corrosion inhibitor, described amino acid is Serine or its derivative,
The quality proportioning of amino acid and graphene oxide is 10~1000:1 preferably 40~250:1.
, can be by amino acid and graphene oxide powder simultaneously when preparing the amino acid-graphene oxide composite corrosion inhibitor
It is scattered in a solvent, carry out compound obtaining amino acid-graphene oxide composite corrosion inhibitor in a solvent.Wherein graphene oxide powder
The relatively thin graphene oxide powder of lamella can be selected in last principle, is first disperseed using methanol/water mixed solvent, and removing solvent can
The graphene oxide powder of small flake diameter is made, wherein methanol can remove under reduced pressure, and water can dry removal.The graphene oxide of small flake diameter
Powder can be relatively easily dispersed in solvent and amino acid is compound by the progress of supermolecular mechanism power.Contain amino acid-oxygen
The dispersion liquid of graphite alkene composite corrosion inhibitor can directly add without amino acid-graphene oxide composite corrosion inhibitor is separated
Enter in acid, cooling circulating water or seawater, realize the application in Industrial Metal inhibition, answering especially in copper product inhibition
With.
Therefore, the second object of the present invention, which is that, provides a kind of system with corrosion inhibition, its for saline solns or
Dilute acid soln, and it is dispersed with 1~30mmol/L preferably 5~20mmol/L amino acid and 0.5~50mg/L preferably 10~50mg/
L graphene oxides.
The system can be used as process water, such as recirculated water, cooling water etc., amino acid and graphene oxide therein to lead to
Cross supermolecular mechanism power to carry out being compounded to form amino acid-graphene oxide composite corrosion inhibitor, the rust inhibition of system can be effectively improved
Energy.
Wherein, saline solns can be seawater, or other are dissolved with the solution of inorganic salts such as sodium salt, sylvite etc.；Diluted acid
Solution can be watery hydrochloric acid, dust technology and dilute sulfuric acid etc..
The system with corrosion inhibition can be configured by following steps：
(a) graphene oxide powder of lamella is scattered in and the methanol/water of graphene oxide is obtained in methanol/water disperses
Liquid, it is evaporated under reduced pressure after removing methanol and dries, small flake diameter graphene oxide powder is made, then small flake diameter graphene oxide powder is molten
Yu Shuizhong, graphene oxide dispersion is made；
(b) graphene oxide dispersion made from quantitative Freamine Ⅲ and step (a) is mixed, then using system
Solvent constant volume, controls final concentration of 1~30mmol/L preferably 5~20mmol/L of amino acid, graphene oxide it is final concentration of
0.5~50mg/L preferably 10~50mg/L, it is scattered homogeneous to produce the system with corrosion inhibition；The system solvent be salt solution or
Diluted acid.
Preferably, in step (a), the graphene oxide powder of the lamella is prepared by following steps：
(a1) under the conditions of ice-water bath, into the reaction bulb equipped with the concentrated sulfuric acid, lower addition graphite powder and sodium nitrate are stirred
Solid mixture, potassium permanganate being slow added into, controlling reaction temperature is no more than 10 DEG C, taken out after continuing stirring 1~5 hour,
Reaction is stirred at room temperature 3~10 days；Wherein, the weight of graphene and sodium nitrate ratio is 1：0.25~1, graphene and permanganic acid
Potassium weight ratio is 1：1.5~6；Then the H of mass fraction 5% is used2SO4Solution is diluted to reaction solution, is stirred 1~5 hour
Afterwards, 3~6mL H is added2O2, solution becomes glassy yellow, and stirring reaction is centrifugally separating to obtain solid in 1~2 hour；Then concentration is used
For 1mmol H2SO4、H2O2Mixed solution and HCl wash repeatedly in filtering, finally with distillation water washing 3~5 times to pH
≈ 7, obtained tan precipitate are graphene oxide；
(a2) graphene oxide made from step (a1) is fully dried in 40 DEG C of vacuum drying chamber, then adds and go
In ionized water, 60W power ultrasonics about 1~5 hour, precipitates overnight, upper liquid is taken, 20~60 DEG C are put into baking oven after eccentric cleaning
Dry, produce the relatively thin graphene oxide powder of lamella.
Preferably, in step (a), the volume ratio of second alcohol and water is 1 in the mixed liquor of ethanol/water:0.5~2, preferably 1:1.
Preferably, the concentration that graphene oxide in the graphene oxide dispersion is controlled in step (a) is 1~100mg/
mL；The solubility of amino acid is 50~200mmol/L in amino acid solution used in step (b).
Beneficial effects of the present invention：The Serine that present invention application possesses certain corrosion mitigating effect is raw material, to aoxidize stone
Black alkene is additive, constructs a kind of graphene oxide composite corrosion inhibitor, and the graphene oxide composite corrosion inhibitor is in strong acid, strong
Corrosion of metal can effectively be slowed down under alkali or sea conditions, the industrial copper product that is particularly suitable for use in is in acid, alkalescence or sea conditions
Inhibition, and Serine in the graphene oxide composite corrosion inhibitor and graphene oxide are the relatively low original of toxicity
Material, it is ensured that the low toxic and environment-friendly of the graphene oxide composite corrosion inhibitor.
Brief description of the drawings
Fig. 1 is the transmission electron microscope picture of amino acid-graphene oxide composite corrosion inhibitor of the present invention；
Fig. 2 is the electrochemical impedance spectrogram of the effect example of the present invention；
Fig. 3 is the copper sheet surface topography after pure copper samples are soaked in hydrochloric acid solution；
Fig. 4 is the copper sheet surface after pure copper samples are soaked in amino acid-graphene oxide composite corrosion inhibitor of the present invention
Pattern.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.It should be understood that following examples are merely to illustrate this
Invention is not for restriction the scope of the present invention.
The configuration of the compound slow corrosion watery hydrochloric acid system of embodiment 1
Step：
(1) 500mL reaction bulb is assembled in ice-water bath, the 100mL concentrated sulfuric acids is added, 2g graphite is added under magnetic agitation
The solid mixture of powder and 1g sodium nitrate, 6g potassium permanganate is slow added into, controlling reaction temperature is no more than 10 DEG C, in ice bath bar
Taken out after being stirred 3 hours under part, reaction 5 days is stirred at room temperature.Then the H of mass fraction 5% is used2SO4Solution enters to reaction solution
Row dilution, after stirring 3 hours, add 5mL H2O2, solution becomes glassy yellow, and stirring reaction is centrifugally separating to obtain solid in 2 hours；
Then the H for being 1mmol with concentration2SO4、H2O2Mixed solution and HCl are washed, finally with distillation water washing 3 repeatedly in filtering
~5 times to pH ≈ 7, obtained tan precipitate is graphene oxide.
(2) graphene oxide made from step 1 is fully dried in 40 DEG C of vacuum drying chamber, adds deionized water
In, 60W power ultrasonics about 3 hours, precipitates overnight, 20~60 DEG C of dryings in baking oven are put into after taking upper liquid eccentric cleaning, are produced
The relatively thin graphene oxide powder of lamella.
(3) appropriate step (2) is made into the relatively thin graphene oxide powder of lamella to be placed in the mixed liquor of methanol/water,
At room temperature, ultrasound 20 minutes, centrifugation, take centrifuge tube supernatant liquid, obtain the methanol/water dispersion liquid of graphene oxide, and decompression is steamed
After evaporating, oven for drying is put into, small flake diameter graphene oxide powder 200mg is made.
(4) small flake diameter graphene oxide powder made from step (3) is dissolved in the water, ultrasound 10 minutes, 2mg/ is made
ML graphene oxide dispersion.Then 200mmol/L Serine hydrochloric acid solution is mixed with graphene oxide dispersion,
With 1mol/L watery hydrochloric acid constant volume, the dispersion liquid of Serine-graphene oxide compound is made, makes the final concentration of Serine
For 20mmol/L, final concentration of 10mg/L, 20mg/L, 40mg/L and 50mg/L of graphene oxide, it is ultrasonically formed homogeneous
5 minutes are stood after system at room temperature, obtains being dispersed with the compound slow corrosion watery hydrochloric acid body of amino acid-graphene oxide composite corrosion inhibitor
System, the wherein quality proportioning of amino acid and graphene oxide are 210:1,105:1,53:Isosorbide-5-Nitrae 2:1.
Draw graphene oxide compound slow corrosion system (Serine 20mmol/L, the graphene oxide of the 20 above-mentioned preparations of μ L
40mg/L) it is added drop-wise on copper mesh.After 20 minutes, carefully solution is blotted with paper, naturally dry, its transmitted electron flying-spot microscope
(TEM) surface topography of test is as shown in Figure 1.TEM tests use the model projection-type electronic scanner microscopes of JEOL 1400, match somebody with somebody
Have Gatan Orius electric poles coupled cameras and Tridiem energy filters, test voltage 200kV.
The configuration of the compound slow corrosion dust technology system of embodiment 2
With reference to embodiment 1, difference is in step (4) to replace watery hydrochloric acid using 1mol/L dust technology, and Serine is molten
The solvent of liquid also does corresponding adjustment.Be made respectively three kinds of the graphene oxide containing 10mg/L, 20mg/L and 50mg/L with
Dust technology is the inhibition system of system solution.
The configuration of the compound slow corrosion seawer system of embodiment 3
With reference to embodiment 1, difference is to replace dilute salt using the 3.5% NaCl aqueous solution (simulated seawater) in step (4)
Acid, the solvent of Serine solution also do corresponding adjustment.The oxidation stone containing 10mg/L, 20mg/L and 50mg/L respectively is made
Inhibition system of three kinds of black alkene using seawater as system solution.
Effect example
1st, copper sheet pre-processes
Copper strips is divided into the copper sheet that size is 1.2cm × 1.0cm × 0.2cm by being machined, and in a side perforation
So that connecting wire is used for electro-chemical test.Before the use, the working face of all copper sheets all with waterproof abrasive paper from coarse to fine step by step
1200 mesh are polishing to, then with the fine grinding again of different size abrasive paper for metallograph, the room temperature after deionized water, acetone, ethanol washing
Drying for standby.
2nd, electrochemical impedance is tested
(1) watery hydrochloric acid system
Blank group：Using 1mol/L watery hydrochloric acid as test fluid, will surveyed after above-mentioned pretreated copper sheet connecting wire
Soaked in test solution 2 hours, the open-circuit voltage then caught using system is initial value, by setting frequency range, response excursion etc.
Parameter applies sinusoidal voltage to electro-chemical systems and carries out testing impedance, determines electrochemical impedance spectrogram and polarization impedance.Survey
During examination, temperature control is 25 DEG C, and the copper sheet area being immersed in test fluid is 1.4cm2, remainder polytetrafluoroethylene (PTFE)
Band wrapping and encapsulating.
Experimental group：The compound slow corrosion watery hydrochloric acid system containing various concentrations graphene oxide configured with embodiment 1 replaces
Watery hydrochloric acid carries out electrochemical impedance test, the same blank group of testing procedure respectively as test fluid.
Control group：With the watery hydrochloric acid containing various concentrations Serine (5mmol/L, 10mmol/L, 20mmol/L)
(1mol/L) is used as test fluid, carries out electrochemical impedance test, the same blank group of testing procedure respectively.
(2) dust technology system
With reference to watery hydrochloric acid system, wherein,
The test fluid of blank group is 1mol/L dust technology；
The test fluid of experimental group is the compound slow corrosion dust technology body containing various concentrations graphene oxide that embodiment 2 configures
System；
The test fluid of control group is dilute nitre containing various concentrations Serine (5mmol/L, 10mmol/L, 20mmol/L)
Sour (1mol/L).
(3) seawer system
With reference to watery hydrochloric acid system, wherein,
The test fluid of blank group is 3.5% NaCl solution；
The test fluid of experimental group is the compound slow corrosion dust technology body containing various concentrations graphene oxide that embodiment 3 configures
System；
The test fluid of control group is the NaCl containing various concentrations Serine (5mmol/L, 10mmol/L, 20mmol/L)
Solution (3.5%).
Test result：
Fig. 2 is the electrochemical impedance spectrogram that measures of three kinds of test fluids of watery hydrochloric acid system, in figure " 1M HCl " represent sky
White group (1mol/L watery hydrochloric acid), " amino acid " represents control group (Serine 20mmol/L), and " amino acid graphene is compound slow
Erosion agent " represents experimental group (graphene oxide 40mg/L, Serine 20mmol/L).As shown in Figure 2, the present invention is dispersed with L- silks
The system of propylhomoserin and graphene oxide greatly improves compared to the system for being only dispersed with Serine, polarization impedance.
Table 1 show the inhibition efficiency η of above-mentioned three kinds of systems difference corrosion inhibiter, and inhibition efficiency η calculating formula is as follows：
R in formulap(0)The polarization impedance measured for blank group, RpThe polarization impedance measured for experimental group or control group.
The inhibition efficiency η test results of table 1
As seen from the results in Table 1, the present invention is dispersed with the system of Serine and graphene oxide compared to being only dispersed with L-
The system of serine, the inhibition efficiency of copper sheet is greatly improved, can effectively alleviate the electrochemical corrosion of copper sheet.
3rd, fine copper immersion test
By the graphene oxide compound slow corrosion body that pure copper samples are separately immersed in watery hydrochloric acid (1mol/L) and prepared by embodiment 1
It is in (Serine 20mmol/L, graphene oxide 40mg/L), after 0.5 hour by SEM (SEM) respectively
Observe its surface topography.Scanning electron microscope test uses JSM-6360LV model vacuum SEM, pattern table
Sign difference is as shown in Figures 3 and 4.Understanding in watery hydrochloric acid, there is more serious corrosion in pure copper samples, and in the oxidation of the present invention
Significantly corroding does not occur in graphene composite corrosion inhibitor.
Claims (9)
1. a kind of amino acid-graphene oxide composite corrosion inhibitor, the wherein quality proportioning of amino acid and graphene oxide be 10~
1000:1, described amino acid is Serine.
2. amino acid as claimed in claim 1-graphene oxide composite corrosion inhibitor, it is characterised in that amino acid and oxidation stone
The quality proportioning of black alkene is 40~250:1.
A kind of 3. system with corrosion inhibition, it is characterised in that it is saline solns or dilute acid soln, and it is dispersed with 5~
20mmol/L amino acid and 10~50mg/L graphene oxides.
4. the collocation method of system as claimed in claim 3, it is characterised in that it comprises the following steps：
(a) graphene oxide powder of lamella is scattered in the methanol/water dispersion liquid that graphene oxide is obtained in methanol/water, subtracted
Dried after pressure distillation for removing methanol, small flake diameter graphene oxide powder is made, then small flake diameter graphene oxide powder is dissolved in water
In, graphene oxide dispersion is made；
(b) graphene oxide dispersion made from quantitative Freamine Ⅲ and step (a) is mixed, then using system solvent
Constant volume, final concentration of 5~20mmol/L of amino acid, final concentration of 10~50mg/L of graphene oxide are controlled, disperseed homogeneous
Produce the system with corrosion inhibition；The system solvent is salt solution or diluted acid.
5. method as claimed in claim 4, it is characterised in that the graphene oxide powder of the lamella passes through following steps system
It is standby：
(a1) under the conditions of ice-water bath, into the reaction bulb equipped with the concentrated sulfuric acid, the lower solid for adding graphite powder and sodium nitrate is stirred
Mixture, is slow added into potassium permanganate, and controlling reaction temperature is no more than 10 DEG C, taken out after continuing stirring 1~5 hour, in room
The lower stirring reaction of temperature 3~10 days；Wherein, the weight of graphene and sodium nitrate ratio is 1：0.25~1, graphene and potassium permanganate weight
Amount is than being 1：1.5~6；Then the H of mass fraction 5% is used2SO4Solution is diluted to reaction solution, after stirring 1~5 hour, is added
Enter 3~6mL H2O2, solution becomes glassy yellow, and stirring reaction is centrifugally separating to obtain solid in 1~2 hour；Then it is with concentration
1mmol/L H2SO4、H2O2Mixed solution and HCl wash repeatedly in filtering, finally with distillation water washing 3~5 times to pH
≈ 7, obtained tan precipitate are graphene oxide；
(a2) graphene oxide made from step (a1) is fully dried in 40 DEG C of vacuum drying chamber, then adds deionization
In water, 60W power ultrasonics about 1~5 hour, precipitates overnight, take upper liquid, be put into after eccentric cleaning in baking oven 20~60 DEG C it is dry
It is dry, produce the relatively thin graphene oxide powder of lamella.
6. method as claimed in claim 4, it is characterised in that in step (a), first alcohol and water in the mixed liquor of methanol/water
Volume ratio is 1:0.5~2.
7. method as claimed in claim 4, it is characterised in that oxygen in the control graphene oxide dispersion in step (a)
The concentration of graphite alkene is 1~100mg/mL；In step (b) in amino acid solution used the solubility of amino acid for 50~
200mmol/L。
8. application of the graphene oxide composite corrosion inhibitor as claimed in claim 1 in corrosion inhibition for metal.
9. application as claimed in claim 8, it is characterised in that described metal is copper product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740911.1A CN107604367A (en) | 2017-08-25 | 2017-08-25 | A kind of amino-acid oxidase graphene composite corrosion inhibitor and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740911.1A CN107604367A (en) | 2017-08-25 | 2017-08-25 | A kind of amino-acid oxidase graphene composite corrosion inhibitor and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107604367A true CN107604367A (en) | 2018-01-19 |
Family
ID=61065601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710740911.1A Pending CN107604367A (en) | 2017-08-25 | 2017-08-25 | A kind of amino-acid oxidase graphene composite corrosion inhibitor and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107604367A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627668A (en) * | 2018-06-22 | 2019-12-31 | 天津理工大学 | Preparation method of carbon-based harmful gas scavenger |
| US11186749B2 (en) | 2019-06-14 | 2021-11-30 | Samsung Electronics Co., Ltd. | Slurry composition and method of manufacturing integrated circuit device by using the same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407998A (en) * | 2013-07-19 | 2013-11-27 | 华侨大学 | Preparation method of high concentration and small flake diameter graphene dispersion |
| WO2014027833A1 (en) * | 2012-08-17 | 2014-02-20 | 주식회사 동진쎄미켐 | Transparent conductive film coating composition, transparent conductive film, and method for manufacturing said transparent conductive film |
| CN103043654B (en) * | 2011-10-12 | 2014-12-10 | 国家纳米科学中心 | Film containing graphene and/or graphene oxide, and preparation method thereof |
| CN104818486A (en) * | 2015-05-08 | 2015-08-05 | 山东应天节能环保科技有限公司 | Corrosion inhibitor specially used for brass and preparation method thereof |
| CN105126167A (en) * | 2015-07-30 | 2015-12-09 | 北京大学 | 3D (three-dimensional) printing type porous metal scaffold with superficial nanocomposite coatings and preparation of 3D printing type porous metal scaffold |
| CN105314623A (en) * | 2014-07-30 | 2016-02-10 | 郭琳 | Graphene synthesis method |
| CN106653261A (en) * | 2016-10-09 | 2017-05-10 | 苏州方昇光电股份有限公司 | Preparation method of graphene/carbon dot/magnetic composite material |
-
2017
- 2017-08-25 CN CN201710740911.1A patent/CN107604367A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043654B (en) * | 2011-10-12 | 2014-12-10 | 国家纳米科学中心 | Film containing graphene and/or graphene oxide, and preparation method thereof |
| WO2014027833A1 (en) * | 2012-08-17 | 2014-02-20 | 주식회사 동진쎄미켐 | Transparent conductive film coating composition, transparent conductive film, and method for manufacturing said transparent conductive film |
| CN103407998A (en) * | 2013-07-19 | 2013-11-27 | 华侨大学 | Preparation method of high concentration and small flake diameter graphene dispersion |
| CN105314623A (en) * | 2014-07-30 | 2016-02-10 | 郭琳 | Graphene synthesis method |
| CN104818486A (en) * | 2015-05-08 | 2015-08-05 | 山东应天节能环保科技有限公司 | Corrosion inhibitor specially used for brass and preparation method thereof |
| CN105126167A (en) * | 2015-07-30 | 2015-12-09 | 北京大学 | 3D (three-dimensional) printing type porous metal scaffold with superficial nanocomposite coatings and preparation of 3D printing type porous metal scaffold |
| CN106653261A (en) * | 2016-10-09 | 2017-05-10 | 苏州方昇光电股份有限公司 | Preparation method of graphene/carbon dot/magnetic composite material |
Non-Patent Citations (1)
| Title |
|---|
| 郑红艾等: "《HCl溶液中氨基酸类化合物对铜的缓蚀作用》", 《腐蚀与防护》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627668A (en) * | 2018-06-22 | 2019-12-31 | 天津理工大学 | Preparation method of carbon-based harmful gas scavenger |
| US11186749B2 (en) | 2019-06-14 | 2021-11-30 | Samsung Electronics Co., Ltd. | Slurry composition and method of manufacturing integrated circuit device by using the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107604367A (en) | A kind of amino-acid oxidase graphene composite corrosion inhibitor and its application | |
| Zheng et al. | Electrodeposition of zinc coatings from the solutions of zinc oxide in imidazolium chloride/urea mixtures | |
| EP0201808B1 (en) | Soluble fluorinated cycloalkane sulfonate surfactant additives for NH4F/HF oxide etchant solutions | |
| CN109402702B (en) | Dedusting agent used after aluminum alloy anodic oxidation process sealing and preparation method thereof | |
| CN107761107A (en) | A kind of molybdate intercalation zinc-aluminium cerium hydrotalcite corrosion inhibiter and preparation method thereof | |
| CN105710760A (en) | Aluminium alloy alkaline grinding fluid | |
| CN111596094A (en) | Three-dimensional etching device and method for nonmetallic inclusions in steel | |
| CN104190314B (en) | Aliphatic amine polyoxyethylene ether diethyl disulfonate surfactant and preparation method thereof | |
| CN109103427A (en) | A kind of composite material, preparation method and its application for lithium-sulphur cell positive electrode | |
| CN113120950B (en) | Gas-sensitive material, preparation method thereof, gas-sensitive electrode and gas-sensitive detection equipment | |
| CN104559983A (en) | Corrosion inhibitor composition, corrosion inhibitor, application of corrosion inhibitor and anti-corrosion method of metal component | |
| CN104673185A (en) | Method for preparing reduced graphene oxide/CoFe2O4/Ag composite wave-absorbing material | |
| CN105861200A (en) | Water-solubility washing agent and preparation method thereof | |
| CN106832011A (en) | The preparation method and application of one metal ion species starch composite inhibitor | |
| CN109692669A (en) | A kind of preparation method of graphene metal ion adsorbent | |
| CN110760854A (en) | Hydroxyethylidene diphosphonic acid intercalated zinc-aluminum hydrotalcite corrosion inhibitor and preparation method thereof | |
| CN108396350B (en) | Post-electroplating dehydrating agent | |
| CN101757983B (en) | Tungsten ore floatation collecting agent and application thereof | |
| CN115323383B (en) | Preparation method of ionic liquid corrosion inhibitor modified hydrotalcite composite coating and application of ionic liquid corrosion inhibitor modified hydrotalcite composite coating in magnesium alloy corrosion prevention | |
| CN107686990A (en) | A kind of amino acid molybdenum disulfide composite corrosion inhibitor and its application | |
| KR20110123756A (en) | Method for texturing silicon wafers, treatment liquid therefor, and use | |
| KR20190068046A (en) | Immersion Tin Plating Solution Using Ionic Liquid Electrolyte materials | |
| CN105780013A (en) | Corrosion inhibitor for bronze with alkaline copper chloride rust and application thereof | |
| JP2005298375A (en) | Method for purifying salt molten at normal temperature | |
| CN110129802A (en) | A kind of printed board novel antioxidant and its application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |