CN107267970B - A kind of steelwork aqueous, environmental protective antirust agent and its preparation method and application - Google Patents
A kind of steelwork aqueous, environmental protective antirust agent and its preparation method and application Download PDFInfo
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- CN107267970B CN107267970B CN201710554079.6A CN201710554079A CN107267970B CN 107267970 B CN107267970 B CN 107267970B CN 201710554079 A CN201710554079 A CN 201710554079A CN 107267970 B CN107267970 B CN 107267970B
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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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
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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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
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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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
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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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
- C23G1/063—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors heterocyclic compounds
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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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
- C23G1/068—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors compounds containing a C=C bond
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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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
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- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
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- Preventing Corrosion Or Incrustation Of Metals (AREA)
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Abstract
The present invention provides a kind of aqueous, environmental protective highly effective antirust agent for steelwork, contain corrosion inhibiter A in the antirust agent, corrosion inhibiter B, complexing agent, film forming agent, modified additive and other additives, solvent are ethyl alcohol and deionized water, antirust agent prepared by the present invention has following beneficial technical effect: (1) it is environmental-friendly, it is pollution-free；(2) favorable rust preventing effect, and with rust remover simultaneously in use, entire derusting rust-proofing process is simple, the time is short, better effect；(3) uniformly, nothing punctures film forming, loophole or bubble；(4) after forming a film, film itself has antiseptic property, and higher with the binding force of substrate；(5) high temperature, low-temperature stability is good, and the entire system that derusts is without layering, or precipitating or rotten.
Description
Technical field
The present invention relates to metal rust preventing fields, and in particular to the aqueous, environmental protective antirust agent field of steelwork.
Background technique
Corrosion of metal is common in society, but the phenomenon that be difficult to avoid that, the machinery as made of various metals is set
Standby, building is got rusty in air because exposed for a long time, and when being full of a large amount of steam, salt fog in air, corrosion phenomena is just
More significant, such as aircraft, boat, furthermore the corrosion of metal influences national economy also very huge, China 2012 because
It is the economic loss caused by corroding with regard to 800,000,000,000 RMB, and the U.S. was shown in corrosion loss investigation result in 2010: corrosion
Loss causes about 476,000,000,000 dollars of as many as loss, this number probably accounted for national of the United States's total output value 1.2% it
It is more.And corrosion can also be to the shape of metal, and gloss and mechanical performance cause irreversible destruction and loss, and some even can be with
Directly make scrap of the product, to cause wasting for resource, therefore very must for what the antirust treatment of metallic article just became
It wants.
The currently used method for preventing or slowing down corrosion mainly include the following types:
(1) new material is prepared, the alloy of microelement is such as added, and according to different environment, prepares different gold
Belong to substrate；
(2) coating film: in the surface coating paint of metal material, enhance antiseptic property;
(3) Passivation Treatment: by surface preparation means, dense oxidation film is obtained in metallic surface, such as passes through anode
Oxidation obtains protective oxide layer in aluminium surface;
(4) the higher substance of activity is added, forms primary battery with substrate metal, and active metal is as sacrificial electrode,
As boat bottom coats zinc rich primer；
(5) it adds antirust agent: metal can be made by good protection using the rustless property of antirust agent, or delay corruption
The generation speed of erosion.
Summary of the invention
The present invention provides a kind of aqueous, environmental protective highly effective antirust agent for steelwork, the content of each component in the antirust agent
Are as follows:
Corrosion inhibiter A:4- penetenoic acid: 2- amion acetic acid: N, N- dimethylethanolamine mass ratio=1:(1.6 ~ 2): (0.5
~ 0.7), corrosion inhibiter A accounts for 2 ~ 4wt.% of antirust agent total amount；
Corrosion inhibiter B: 1 ~ 2wt.% of inositol hexaphosphate；
Complexing agent: ethylenediamine tetra-acetic acid: hydrolysis of polymaleic anhydride mass ratio=1:1,1 ~ 2.5wt.% of content；
Film forming agent: 15 ~ 35wt.% of polyvinyl butyral；
Modified additive: organic silicon modified by polyether surfactant: neopelex mass ratio=2:(0.5 ~
1), 0.5 ~ 1.5wt.% of content；
Other additives: 0.6 ~ 1wt.% of poly-aspartate；
Remaining as ethyl alcohol and deionized water, ethyl alcohol: deionized water volume ratio=5:1.
Antirust agent is covered in steelwork surface by way of brushing, spraying or immersion by the present invention, and soaking time is lower than
0.5 hour, it is greater than 1 minute, is then placed into 20 ~ 30oIn C insulating box, humidity is controlled 30% hereinafter, finally in metal surface
Film forming.
The preparation method of the steelwork antirust agent: 4- penetenoic acid, 2- amion acetic acid, N, N- diformazan are put into mass ratio first
Ethylethanolamine, deionized water, 75oUnder C, it is heated to reflux 2h, is cooled down, corrosion inhibiter solution A is obtained；Then stirring at normal temperature, by inositol
Six phosphates are dissolved in deionized water, obtain phytic acid aqueous solution of ester corrosion inhibiter B；Then by film forming agent polyvinyl butyral
It is added in ethanol solution, prepares film forming agent solution；Then complexing agent, modified additive, poly-aspartate are added into deionized water,
50oMagnetic agitation 20min under C, cooling obtain uniform mixed liquor；Then mixed liquor is added simultaneously in above-mentioned corrosion inhibiter A and B, most
After film forming agent is added, under conditions of sealing reactor, room temperature, magnetic agitation 1 hour, obtain antirust agent.
Wherein, the plasticizer of 0.05 ~ 2wt.% is also contained in antirust agent, which is selected from phthalic acid ester, citric acid
Ester, one of sebacate, by film forming agent polyvinyl butyral and plasticizer phthalic acid ester, citrate, the last of the ten Heavenly stems two
One of acid esters is added in ethanol solution, prepares modified film forming agent solution.
Before using antirust agent, surface preparation-processing of rust removing-washing-dehydrogenation is carried out to the steelwork to have got rusty in advance
Processing-natural cooling processing, wherein surface treatment is become rusty for removing part of being polished in advance using 240# ~ 360# sand paper, processing of rust removing
For chemical derusting, rust remover contains inorganic 25 ~ 40wt.% of mixed acid, 5 ~ 30wt.% of organic acid, zwitterionic surfactant 2 ~ 4
Wt.%, 7 ~ 12 wt.% of complexing agent, 2 ~ 5 wt.% of corrosion inhibiter, 2 ~ 3 wt.% of bleeding agent, 5 ~ 10 wt.% of additional salt, additional adjuvants
0.7-1 wt.%, wherein it is 4:1 hydrochloric acid and nitric acid mixed acid that inorganic mixed acid, which is mass ratio, organic acid is sulfinic acid, amino sulphur
One of acid or oxalic acid or a variety of mixtures, zwitterionic surfactant are Cocoamidopropyl betaine, and complexing agent is
One of potassium rhodanide or sodium sulfocyanate, corrosion inhibiter are one of coloured glaze base benzothiazole, sodium metasilicate, methenamine, infiltration
Agent is heterogeneous ten alcohol polyoxyethylene ether, and additional salt is ammonium fluoride, and additional adjuvants are the polyoxyethylene polyoxy for not influencing bubble system
Propyl alcohol amidogen ether or rolydimethylsiloxane defoamer and polyoxy second fatty acid esters of sorbitan class or polyoxyethylene fatty acid ester
Class solubilizer.
Using and selecting for component each in rust remover: (1) using the 4- penetenoic acid of compounding, 2- amion acetic acid and N,
N- dimethylethanolamine, heating generate amide antirust agent raw material, can firmly be attached to metal surface, mainly carboxylic acid hydramine
With in alkylolamides molecule N and O atom have lone pair electrons, can there is the metal surface effect of d unoccupied orbital to generate absorption with iron etc.
Property protective film, prevent the molecules such as corrosive medium oxygen and water from directly contacting with metal surface, and then play effective inhibition and protect
Effect；(2) inositol hexaphosphate directly can be extracted from plants out, and safety and environmental protection is pollution-free, and can reduce corrosion inhibiter A
Dosage.Complexation reaction occurs for the numerous group of the natural organic matter molecule and metal ion, forms stable chelating ring cover and exists
On metal surface；(3) complex compound is compounded using ethylenediamine tetra-acetic acid and hydrolysis of polymaleic anhydride, and ethylenediamine tetra-acetic acid has good
Complexing and peptizaiton, and hydrolysis of polymaleic anhydride plays the role of adsorbing contaminant, can play the role of antisludging agent, can improve
The complexing of antirust agent each component；(4) status of film forming agent is indispensable as corrosion inhibiter, polyvinyl butyral sheet
Body has high anti-corrosion, rustless property and cold resistance, most important to the high temperature and low-temperature stability of antirust agent, secondly poly- second
Enol butyral is to aluminium, and steel, iron, zinc has good adhesive attraction, but polyvinyl butyral resin is submissiveer, can add
Plasticizer appropriate is modified；(5) neopelex surfactant improves the surface tension of antirust agent, but is easy to produce
Bubble, organic silicon modified by polyether surfactant have the high antifoaming ability that disappear for neopelex bubble system,
Non-uniform phenomenon when reducing film forming, poly-aspartate have high environmentally friendly scale-inhibiting properties, improve the antiseptic property of antirust agent.
Antirust agent prepared by the present invention has following excellent technical effect: (1) it is environmental-friendly, it is pollution-free；(2) rust-proof effect
It is good, and with above-mentioned rust remover simultaneously in use, entire derusting rust-proofing process is simple, the time is short, better effect；(3) film forming is uniform,
Nothing punctures, loophole or bubble；(4) after forming a film, film itself has antiseptic property, and higher with the binding force of substrate；(5) high temperature,
Low-temperature stability is good, and the entire system that derusts is without layering, or precipitating or rotten.
Detailed description of the invention
Fig. 1: the preparation method of steelwork antirust agent.
Specific embodiment
Film forming test: corroding steelwork thin slice using same, be cut to several piece, carries out table to corrosion steelwork respectively
Then the processing of face pretreatment-processing of rust removing-washing-dehydrogenation-natural cooling enters sample in antirust agent after impregnating 5min
It takes out, hangs, it is dry, whether specimen surface is observed without broken hole, and the film that can form continuous uniform is considered as qualification.
Neutral acid mist corrosion resistance test, each sample are placed in acid mist test chest 30 hours, and blank test sample is arranged
Product define the level to corrosion situation: 1 grade: without significant change；2 grades: mild-moderate loss of gloss, non-corroding object；3 grades: it is glossy, have
A small amount of rust；4 grades: serious loss of gloss, rust are obvious；5 corrosion especially severes, substantially covering substrate surface.
Anti- air humidity corrosion test selects film forming steelwork and is placed in 60oC, in the drier of 90% or more relative humidity,
There is the time corroded in record.
Stability test: antirust agent is placed in sealed glass jars, is respectively placed in 85 ~ 90oC water-bath, and -10 ~ 0oThe ice of C
In case, layering, or precipitating or rotten have been seen whether.
Embodiment 1
Firstly, it is naturally cold to carry out surface preparation-processing of rust removing-washing-dehydrogenation-to the steelwork to have got rusty in advance
But it handles, wherein surface treatment is become rusty for removing part of being polished in advance using 240# ~ 360# sand paper, processing of rust removing is chemical derusting,
Rust remover are as follows:
Inorganic mixed acid, mass ratio are 4:1 hydrochloric acid and nitric acid mixed acid, 25wt.%
Organic acid, sulfinic acid 5wt.%
Zwitterionic surfactant, 2 wt.% of Cocoamidopropyl betaine
Complexing agent, 7 wt.% of potassium rhodanide
Corrosion inhibiter, coloured glaze base benzothiazole 2wt.%
Bleeding agent, heterogeneous ten alcohol polyoxyethylene ether 2wt.%
Additional salt, 5 wt.% of ammonium fluoride
Additional adjuvants, polyoxyethylene polyoxy propyl alcohol amidogen ether and polyoxy second fatty acid esters of sorbitan class, 0.7wt.%；
Remaining as the solvent of ethyl alcohol or ethylene glycol and deionization composition that volume ratio is 3:1.
Then, by 1:1.8:0.6 mass ratio by 4- penetenoic acid, 2- amion acetic acid and N, N- dimethylethanolamine be put in from
In sub- water, 75oUnder C, it is heated to reflux 2h, is cooled down, corrosion inhibiter solution A is obtained；Then inositol hexaphosphate is dissolved in deionized water,
Stirring at normal temperature obtains phytic acid aqueous solution of ester corrosion inhibiter B；Then it is molten ethyl alcohol to be added in polyvinyl butyral and plasticizer
In liquid, modified film forming agent solution is prepared；Then the addition complexing agent, modified additive, poly-aspartate into deionized water, 50oUnder C
Magnetic agitation 20min, cooling obtain uniform mixed liquor；Then mixed liquor is added simultaneously in above-mentioned corrosion inhibiter A and B, be eventually adding
Film forming agent, under conditions of sealing reactor, room temperature magnetic agitation 1 hour, obtains antirust agent sample 1, remaining sample 2 ~ 7
Preparation method and sample 1 are consistent, and "-" is no added.
Table 1
a: 4- penetenoic acid: 2- amion acetic acid: N, N- dimethylethanolamine mass ratio=1:1.8:0.6；
b: ethylenediamine tetra-acetic acid: hydrolysis of polymaleic anhydride mass ratio=1:1；
c: organic silicon modified by polyether surfactant: neopelex mass ratio=2:1.
The present invention is based on the novel antirust agent of the completely new environmental protection of the excellent performance of corrosion inhibiter and film forming agent preparation, prepare work
Skill is simple, and antirust agent can be good at being coated in metal surface, and film forming is uniformly complete, and anti-rust and corrosionproperties are splendid after film forming, and
Antirust agent high stability, long service life improve the practical value of antirust agent.
The above is embodiments of the present invention, it is noted that for those skilled in the art,
Various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as this hair
Bright protection scope.
Claims (5)
1. a kind of steelwork aqueous, environmental protective antirust agent, it is characterised in that the content of each component in the antirust agent are as follows:
Corrosion inhibiter A:4- penetenoic acid: 2- amion acetic acid: N, N- dimethylethanolamine mass ratio=1:(1.6 ~ 2): (0.5 ~ 0.7) delays
Erosion agent A accounts for 2 ~ 4wt.% of antirust agent total amount；
Corrosion inhibiter B: 1 ~ 2wt.% of inositol hexaphosphate；
Complexing agent: ethylenediamine tetra-acetic acid: hydrolysis of polymaleic anhydride mass ratio=1:1, complexing agent account for antirust agent total amount 1 ~
2.5wt.%；
Film forming agent: 15 ~ 35wt.% of polyvinyl butyral；
Modified additive: organic silicon modified by polyether surfactant: neopelex mass ratio=2:(0.5 ~ 1), modification helps
Agent accounts for 0.5 ~ 1.5wt.% of antirust agent total amount；
Other additives: 0.6 ~ 1wt.% of poly-aspartate；
Remaining as ethyl alcohol and deionized water, ethyl alcohol: deionized water volume ratio=5:1.
2. a kind of steelwork aqueous, environmental protective antirust agent as described in claim 1, it is characterised in that using brushing, spraying or impregnate
Mode be covered in steelwork surface, soaking time is lower than 0.5 hour, is greater than 1 minute, is then placed into 20 ~ 30oC insulating box
It is interior, humidity is controlled 30% hereinafter, finally forming a film in metal surface.
3. steelwork aqueous, environmental protective antirust agent as claimed in claim 1 or 2, it is characterised in that in antirust agent also containing 0.05 ~
The plasticizer of 2wt.%, which is selected from one of phthalic acid ester, citrate, sebacate, by the poly- second of film forming agent
One of enol butyral and plasticizer phthalic acid ester, citrate, sebacate are added in ethanol solution, and preparation changes
Property film forming agent solution.
4. the preparation method of steelwork aqueous, environmental protective antirust agent as claimed in claim 1 or 2, which is characterized in that press matter first
Amount, which compares, is put into 4- penetenoic acid, 2- amion acetic acid, N, N- dimethylethanolamine, deionized water, and 75oUnder C, it is heated to reflux 2h, is cooled down,
Obtain corrosion inhibiter solution A；Inositol hexaphosphate is dissolved in deionized water, it is water-soluble to obtain inositol hexaphosphate by then stirring at normal temperature
Liquid corrosion inhibiter B；Then film forming agent polyvinyl butyral is added in ethanol solution, prepares film forming agent solution；Then to go from
Addition complexing agent, modified additive and poly-aspartate in sub- water, 50oMagnetic agitation 20min under C, cooling obtain uniform mixed liquor；
Then mixed liquor is added simultaneously in above-mentioned corrosion inhibiter A and B, is eventually adding film forming agent solution, under conditions of sealing reactor, often
Temperature magnetic agitation 1 hour, obtains antirust agent.
5. the application method of steelwork aqueous, environmental protective antirust agent as claimed in claim 1 or 2, it is characterised in that using antirust
Before agent, surface preparation-processing of rust removing-washing-dehydrogenation-natural cooling processing is carried out to the steelwork to have got rusty in advance,
Wherein surface treatment is become rusty for removing part of being polished in advance using 240# ~ 360# sand paper, and processing of rust removing is chemical derusting, and rust remover contains
There are inorganic 25 ~ 40wt.% of mixed acid, 5 ~ 30wt.% of organic acid, 2 ~ 4 wt.% of zwitterionic surfactant, complexing agent 7 ~ 12
Wt.%, 2 ~ 5 wt.% of corrosion inhibiter, 2 ~ 3 wt.% of bleeding agent, 5 ~ 10 wt.% of additional salt, additional adjuvants 0.7-1 wt.%, wherein without
Machine mixed acid is the hydrochloric acid that mass ratio is 4:1 and nitric acid mixed acid, and organic acid is one of sulfinic acid, sulfamic acid or oxalic acid
Or a variety of mixtures, zwitterionic surfactant are Cocoamidopropyl betaine, complexing agent is potassium rhodanide or thiocyanic acid
One of sodium, corrosion inhibiter are one of coloured glaze base benzothiazole, sodium metasilicate, methenamine, and bleeding agent is ten alcohol polyoxy of isomery
Vinethene, additional salt are ammonium fluoride, and additional adjuvants are the polyoxyethylene polyoxy propyl alcohol amidogen ether or poly- diformazan for not influencing bubble system
Radical siloxane defoaming agent and polyoxy second fatty acid esters of sorbitan class or polyoxyethylene fatty acid ester class solubilizer.
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| CN107829097A (en) * | 2017-11-21 | 2018-03-23 | 苏州市宽道模具机械有限公司 | A kind of aqueous rust remover and preparation method thereof |
| CN110093915B (en) * | 2019-03-27 | 2020-12-22 | 浙江立鹏建设有限公司 | Cast-in-situ bored pile construction method |
| CN113980726A (en) * | 2021-10-20 | 2022-01-28 | 淄博倍尔科新型材料有限公司 | Novel film forming material for metal surface |
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| CN1297646C (en) * | 2003-06-25 | 2007-01-31 | 蓝星清洗工程有限公司 | Neutral deoiling derusting cleaning agent |
| ATE509138T1 (en) * | 2007-03-05 | 2011-05-15 | Atotech Deutschland Gmbh | CHROME(VI)-FREE BLACK PASSIVATION FOR SURFACES CONTAINING ZINC |
| CN103146514B (en) * | 2013-03-27 | 2014-11-26 | 江松节 | Degreasing detergent |
| KR101573113B1 (en) * | 2013-08-30 | 2015-12-01 | 엘티씨에이엠 주식회사 | Slurry Composition for Chemical Mechanical Polishing |
| CN103695948A (en) * | 2013-11-29 | 2014-04-02 | 明光市留香泵业有限公司 | Cast iron derusting antirust liquid and preparation method thereof |
| CN103710717A (en) * | 2013-12-25 | 2014-04-09 | 广西博士海意信息科技有限公司 | Environment-friendly metal antirust agent |
| CN103695912B (en) * | 2013-12-25 | 2016-06-29 | 广西博士海意信息科技有限公司 | Metal polish |
| CN105032172A (en) * | 2014-11-17 | 2015-11-11 | 刘德龙 | High-efficient cleaning and maintenance liquid of diesel engine SCR system |
| CN104404556A (en) * | 2014-11-21 | 2015-03-11 | 苏州东辰林达检测技术有限公司 | Residual oil cleaning agent for metallic equipment and preparation method thereof |
| CN106635498A (en) * | 2016-12-15 | 2017-05-10 | 南京工业职业技术学院 | Recyclable environment-friendly cleaning agent, and preparation and application method thereof |
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