CN108360002B - A kind of preparation method of water base metal cleaning agent - Google Patents
A kind of preparation method of water base metal cleaning agent Download PDFInfo
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- CN108360002B CN108360002B CN201810263943.1A CN201810263943A CN108360002B CN 108360002 B CN108360002 B CN 108360002B CN 201810263943 A CN201810263943 A CN 201810263943A CN 108360002 B CN108360002 B CN 108360002B
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- 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
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Abstract
The present invention relates to field of metal surface treatment technology, and in particular to a kind of preparation method of water base metal cleaning agent.The present invention is also with methyl methacrylate, methyl acrylate, on the basis of acrylic acid principal monomer, with polyvinyl alcohol modification styrene-acrylic emulsion, and a kind of novel environment friendly water-based antirust is prepared for using it as main film forming substance, it is additionally added gelatin nanoparticle simultaneously, since nano-scale particle size is small, specific area is big, it surface can be high, atomic ratio positioned at surface is big, it is active high, effective functional group is more, therefore applying nano-solution in metal surface can combine closely with metal surface, keep film layer fine and close, but it also has some active groups to be exposed in air, it is contacted with external environment, it corrodes, so combining rust-preventing film outside nanometer film layer, not only increase the surface area of rust-preventing film, also make active group in conjunction with rust-preventing film, effectively increase the adhesive force and surface hardness of antirust agent film layer, to improve the rustless property of cleaning agent.
Description
Technical field
The present invention relates to field of metal surface treatment technology, and in particular to a kind of preparation method of water base metal cleaning agent.
Background technique
In the process of production and processing, surface is easily adhered the substances such as greasy dirt and is likely to occur for metal material and workpiece
Corrosion.In order to meet metal material and workpiece processing technology requirement, the quality for guaranteeing metal product, the service life used and
The reliability of performance, need before and after intermetallic composite coating and finished product assembling or packaging advance row metal surface degreasing, at scale removal
Reason.Comparing traditional mode is to clean metal material and workpiece as cleaning solution using diesel oil, coal Water Oil Or Gas, this is not only unrestrained
Take the energy, and there is potential insecurity factors, it is possible to lead to fire.In recent years, metal cleaner has gradually obtained extensively
General application, it diesel oil substitute, kerosene and gasoline can clean part well.
Water base metal cleaning agent is using water as underlying carrier, containing surfactant, auxiliary agent etc., without or with rarely
Solvent.Water base metal cleaning agent has the following characteristics that (1) good wetting, emulsification, characteristic of solubilizing；(2) it prepares and used
It is substantially pollution-free in journey；(3) to the corrosion-free effect of metal material, it is able to maintain the original gloss of metal after cleaning, has centainly
Antirust effect；(4) cost performance is higher than organic cleaning solvent；(5) it does not burn, it is highly-safe.But current cleaner for metal
Cleaning effect is not good enough, and cleaning ability is limited, cannot disposably effectively remove dirt, rust staining, and scavenging period is long, and production efficiency is low,
Corrosivity is stronger, and the waste liquid after cleaning is toxic to human body, pollution environment etc..
Therefore, we it is necessary to designs again to prepare a kind of novel water base metal cleaning agent, it is existing to solve with this
Nowadays the problems of water base metal cleaning agent in the market comes to be adapted to need social and in relation to industry preferably with this
It asks.
Summary of the invention
The technical problems to be solved by the invention: it is not good enough for current metal cleaner cleaning effect, clean energy
Power is limited, cannot disposably effectively remove dirt, and the problem that rust-preventing characteristic is lower, provide a kind of preparation of water base metal cleaning agent
Method.
In order to solve the above technical problems, the present invention is using technical solution as described below:
A kind of preparation method of water base metal cleaning agent, the preparation method include the following steps:
(1) according to parts by weight, 10 ~ 15 parts of lauryl alcohols, 7 ~ 8 parts of toluene, 3 ~ 4 parts of triethyl benzyl ammonia chlorides, 1 ~ 2 part are taken
Sodium hydroxide solution, 0.2 ~ 0.3 part of epoxychloropropane, by lauryl alcohol, toluene, triethyl benzyl ammonia chloride, sodium hydroxide solution
It is mixed, is stirred evenly, epoxychloropropane is added dropwise to 45 ~ 50 DEG C in heating water bath, stands, filters while hot, obtain filtrate, will filter
Liquid is that 40 ~ 50 DEG C of deionized waters are diluted to neutrality with temperature, is concentrated, vacuum drying obtains dried object；
(2) according to parts by weight, 30 ~ 40 parts of sodium hydroxide-ethanol solutions, 7 ~ 8 parts of dried objects, 3 ~ 4 parts of mixtures are taken, it will
Mixture, sodium hydroxide-ethanol solution are mixed, and are vacuumized and are heated to 50 ~ 60 DEG C, and dried object is added, vacuumizes and is heated to
120 ~ 150 DEG C, heat preservation obtains heat preservation object, will keep the temperature object ethanol washing, dry, obtains dried object a, in mass ratio 2:1:0.2, will
Dried object a, neopelex, n-butanol are mixed, and are stirred evenly, and stirring mixture is obtained；
(3) 1:7 ~ 8 in mass ratio, polyvinyl alcohol, deionized water are mixed, stirs, must stir at 90 ~ 95 DEG C of temperature
Liquid is mixed, according to parts by weight, takes 30 ~ 40 parts of stirring liquid, 10 ~ 15 parts of methyl methacrylates, 7 ~ 8 parts of methyl acrylates, 5 ~ 6 parts
Acrylic acid, 2 ~ 3 parts of stirring mixtures, 1 ~ 2 part of emulsifier, 0.2 ~ 0.3 part of vinyltriethoxysilane are mixed, in temperature
1 ~ 2h is stirred at 25 ~ 30 DEG C, obtains mixed emulsion；
(4) 10 ~ 15:1 ~ 2 in mass ratio, mixed emulsion, sodium hydrogensulfite are mixed, stirred at 60 ~ 70 DEG C of temperature
It mixes, the potassium persulfate solution of mixture quality 1 ~ 2% is added, stand, adjust pH value to 8 ~ 9, be warming up to 70 ~ 75 DEG C, keep the temperature, adjust
PH value is saved to neutrality, obtains neutral emulsion；
(5) according to parts by weight, take 40 ~ 45 parts of neutral emulsions, 30 ~ 40 parts of water, 5 ~ 6 parts of polyethylene glycol, 2 ~ 3 parts of nanometers bright
Micelle, 1 ~ 2 part of triethanolamine, 0.5 ~ 1 part of benzotriazole, 0.5 ~ 1 part of methenamine, by deionized water, nanoparticles gelatin grain
Son, benzotriazole, methenamine, polyethylene glycol, triethanolamine are mixed, and are stirred evenly at 40 ~ 50 DEG C of temperature, are added
Neutral emulsion stirs to get water base metal cleaning agent.
Mixture is 1:0.8 in mass ratio in the step (2), and glycerol, sodium hydroxide are put into container and are mixed,
It is passed through nitrogen, is warming up to 200 ~ 250 DEG C, keeps the temperature 1 ~ 2h to get mixture.
Emulsifier is octyl phenol polyoxyethylene ether in the step (3).
Gelatin nanoparticle is according to parts by weight, to take 50 ~ 60 parts of solution of ferrous chloride, 30 ~ 40 parts in the step (5)
Distilled water, 30 ~ 40 parts of sodium hydroxide solutions, 10 ~ 15 parts of gelatin, 8 ~ 10 parts of hydrogenperoxide steam generators, by gelatin solution distilled water,
0.2mol/L solution of ferrous chloride, 0.007mol/L hydrogenperoxide steam generator is added, stirs 1 ~ 2h with 300 ~ 400 r/min, is added dropwise
3mol/L sodium hydroxide solution, is passed through nitrogen protection, places 3 ~ 4h in 90 ~ 100 DEG C of temperature of water-bath to get nanoparticles gelatin grain
Son.
The present invention is compared with other methods, and advantageous effects are:
(1) present invention prepares intermediate product by raw material of lauryl alcohol, then forms a kind of new non-ionic with degree of polymerization glycerol
Surfactant can be used as low alveolitoid surfactant, to improve the using effect of cleaning agent, and with glycerol polymerization degree
Increase, the number of hydroxyl and ehter bond increases in surfactant molecule, increased hydrophilicity, so that wettability mentions
Neopelex, n-butanol is added, due to anionic surfactant-neopelex electrification base in height
Group is easily adsorbed on metal surface, can also be adsorbed on the surface of dirt, keeps the group with identical charges mutually exclusive, causes to glue
Attached reduction, is conducive to the removal of dirt, so that the effect of cleaning agent degreasing is improved, and n-butanol helps surface-active as alcohols
The effect of agent is exactly to form mixing and absorption film in oil-water interface and surfactant, reduces interfacial tension, increases interface flexibility,
The method compounded using three, so that cleaning effect is preferable.
(2) present invention also with methyl methacrylate, methyl acrylate, acrylic acid principal monomer on the basis of, with poly- second
Enol modifying cinepazid emulsion, and it is prepared for a kind of novel environment friendly water-based antirust using it as main film forming substance, it is additionally added simultaneously
Gelatin nanoparticle, since nano-scale particle size is small, specific area is big, and surface can be high, and the atomic ratio positioned at surface is big, active
Height, effective functional group is more, therefore can combine closely with metal surface in metal surface painting nano-solution, keeps film layer fine and close, but
It also has some active groups to be exposed in air, contacts, corrode with external environment, so being combined outside nanometer film layer anti-
Tranish film not only increases the surface area of rust-preventing film, also makes active group in conjunction with rust-preventing film, effectively increases antirust agent film layer
Adhesive force and surface hardness, to improve the rustless property of cleaning agent.
Specific embodiment
Mixture is 1:0.8 in mass ratio, and glycerol, sodium hydroxide are put into container and are mixed, and is passed through nitrogen, heating
To 200 ~ 250 DEG C to get modifier.
Sodium hydroxide-ethanol solution is 10:2:100 in mass ratio, and sodium hydroxide, ethyl alcohol, water are mixed, and stirring is equal
It is even to get sodium hydroxide-ethanol solution.
Emulsifier is octyl phenol polyoxyethylene ether.
Gelatin nanoparticle is according to parts by weight, to take 50 ~ 60 parts of solution of ferrous chloride, 30 ~ 40 parts of distilled water, 30 ~ 40
Part sodium hydroxide solution, 10 ~ 15 parts of gelatin, 8 ~ 10 parts of hydrogenperoxide steam generators, by gelatin solution distilled water, 0.2mol/L is added
Solution of ferrous chloride, 0.007mol/L hydrogenperoxide steam generator stir 1 ~ 2h with 300 ~ 400 r/min, 3mol/L hydroxide are added dropwise
Sodium solution is passed through nitrogen protection, places 3 ~ 4h in 90 ~ 100 DEG C of temperature of water-bath to get gelatin nanoparticle.
A kind of preparation method of water base metal cleaning agent, the preparation method include the following steps:
(1) according to parts by weight, 10 ~ 15 parts of lauryl alcohols, 7 ~ 8 parts of toluene, 3 ~ 4 parts of triethyl benzyl ammonia chlorides, 1 ~ 2 part are taken
0.5mol/L sodium hydroxide solution, 0.2 ~ 0.3 part of epoxychloropropane, by lauryl alcohol, toluene, triethyl benzyl ammonia chloride, hydrogen-oxygen
To change sodium solution to be mixed, stir evenly, epoxychloropropane is added dropwise to 45 ~ 50 DEG C in heating water bath, and 4 ~ 5h is stood, is filtered while hot,
Filtrate is obtained, filtrate is diluted to neutrality with temperature for 40 ~ 50 DEG C of deionized waters, is concentrated, vacuum drying obtains dried object；
(2) according to parts by weight, 30 ~ 40 parts of sodium hydroxide-ethanol solutions, 7 ~ 8 parts of dried objects, 3 ~ 4 parts of mixtures are taken, it will
Mixture, sodium hydroxide-ethanol solution are mixed, and are vacuumized in 1 ~ 2KPa of vacuum degree and are heated to 50 ~ 60 DEG C, and drying is added
Object vacuumizes and is heated to 120 ~ 150 DEG C, keeps the temperature 2 ~ 3h, obtains heat preservation object, will keep the temperature object ethanol washing, dry, obtains dried object a,
Dried object a, neopelex, n-butanol are mixed, are stirred evenly by 2:1:0.2 in mass ratio, must be stirred
Object；
(3) 1:7 ~ 8 in mass ratio, polyvinyl alcohol, deionized water are mixed, stir 25 at 90 ~ 95 DEG C of temperature ~
30min obtains stirring liquid, according to parts by weight, takes 30 ~ 40 parts of stirring liquid, 10 ~ 15 parts of methyl methacrylates, 7 ~ 8 parts of acrylic acid
Methyl esters, 5 ~ 6 parts of acrylic acid, 2 ~ 3 parts of stirring mixtures, 1 ~ 2 part of emulsifier, 0.2 ~ 0.3 part of vinyltriethoxysilane carry out
Mixing stirs 1 ~ 2h, obtains mixed emulsion at 25 ~ 30 DEG C of temperature under the conditions of 700 ~ 800r/min；
(4) 10 ~ 15:1 ~ 2 in mass ratio, mixture, sodium hydrogensulfite are mixed, stirred at 60 ~ 70 DEG C of temperature
25 ~ 30min, the 0.1mol/L potassium persulfate solution of addition mixture quality 1 ~ 2%, 25 ~ 30min of standing, adjusting pH value to 8 ~ 9,
70 ~ 75 DEG C are warming up to, 3 ~ 4h is kept the temperature, pH value is adjusted to neutrality, obtains neutral emulsion；
(5) according to parts by weight, take 40 ~ 45 parts of neutral emulsions, 30 ~ 40 parts of water, 5 ~ 6 parts of polyethylene glycol, 2 ~ 3 parts of nanometers bright
Micelle, 1 ~ 2 part of triethanolamine, 0.5 ~ 1 part of benzotriazole, 0.5 ~ 1 part of methenamine, by deionized water, nanoparticles gelatin grain
Son, benzotriazole, methenamine, polyethylene glycol, triethanolamine are mixed, and are stirred evenly at 40 ~ 50 DEG C of temperature, are added
Neutral emulsion stirs 25 ~ 30 min to get water base metal cleaning agent.
Mixture is 1:0.8 in mass ratio, and glycerol, sodium hydroxide are put into container and are mixed, and is passed through nitrogen, heating
To 200 DEG C to get modifier.
Sodium hydroxide-ethanol solution is 10:2:100 in mass ratio, and sodium hydroxide, ethyl alcohol, water are mixed, and stirring is equal
It is even to get sodium hydroxide-ethanol solution.
Emulsifier is octyl phenol polyoxyethylene ether.
Gelatin nanoparticle is according to parts by weight, to take 50 parts of solution of ferrous chloride, 30 parts of distilled water, 30 parts of sodium hydroxides
Solution, 10 parts of gelatin, 8 parts of hydrogenperoxide steam generators, will in gelatin solution distilled water, be added 0.2mol/L solution of ferrous chloride,
0.007mol/L hydrogenperoxide steam generator stirs 1h with 300r/min, 3mol/L sodium hydroxide solution is added dropwise, is passed through nitrogen protection,
3h is placed in 90 DEG C of temperature of water-bath to get gelatin nanoparticle.
A kind of preparation method of water base metal cleaning agent, the preparation method include the following steps:
(1) according to parts by weight, 10 parts of lauryl alcohols, 7 parts of toluene, 3 parts of triethyl benzyl ammonia chlorides, 1 part of 0.5mol/L are taken
Sodium hydroxide solution, 0.2 part of epoxychloropropane carry out lauryl alcohol, toluene, triethyl benzyl ammonia chloride, sodium hydroxide solution
Mixing, stirs evenly, and epoxychloropropane is added dropwise to 45 DEG C in heating water bath, stands 4h, filters while hot, obtain filtrate, by filtrate temperature
Degree is that 40 DEG C of deionized waters are diluted to neutrality, is concentrated, and vacuum drying obtains dried object；
(2) according to parts by weight, 30 parts of sodium hydroxide-ethanol solutions, 7 parts of dried objects, 3 parts of mixtures are taken, by mixture,
Sodium hydroxide-ethanol solution is mixed, and is vacuumized in vacuum degree 1KPa and is heated to 50 DEG C, and dried object is added, vacuumizes heating
To 120 DEG C, 2h is kept the temperature, heat preservation object is obtained, object ethanol washing will be kept the temperature, it is dry, dried object a, in mass ratio 2:1:0.2 are obtained, it will
Dried object a, neopelex, n-butanol are mixed, and are stirred evenly, and stirring mixture is obtained；
(3) 1:7 in mass ratio mixes polyvinyl alcohol, deionized water, stirs 25min at 90 DEG C of temperature, must stir
Liquid is mixed, according to parts by weight, takes 30 parts of stirring liquid, 10 parts of methyl methacrylates, 7 parts of methyl acrylates, 5 parts of acrylic acid, 2 parts
Stirring mixture, 1 part of emulsifier, 0.2 part of vinyltriethoxysilane are mixed, at 25 DEG C of temperature, 700r/min condition
Lower stirring 1h, obtains mixed emulsion；
(4) 10:1 in mass ratio mixes mixture, sodium hydrogensulfite, stirs 25min under temperature 60 C, adds
Entering the 0.1mol/L potassium persulfate solution of mixture quality 1%, stands 25min, adjusting pH value to 8 is warming up to 70 DEG C, 3h is kept the temperature,
PH value is adjusted to neutrality, obtains neutral emulsion；
(5) according to parts by weight, 40 parts of neutral emulsions, 30 parts of water, 5 parts of polyethylene glycol, 2 parts of gelatin nanoparticles, 1 part are taken
Triethanolamine, 0.5 part of benzotriazole, 0.5 part of methenamine, by deionized water, gelatin nanoparticle, benzotriazole, crow
Lip river tropine, polyethylene glycol, triethanolamine are mixed, and are stirred evenly at 40 DEG C of temperature, and neutral emulsion is added, and stir 25min,
Up to water base metal cleaning agent.
Mixture is 1:0.8 in mass ratio, and glycerol, sodium hydroxide are put into container and are mixed, and is passed through nitrogen, heating
To 225 DEG C to get modifier.
Sodium hydroxide-ethanol solution is 10:2:100 in mass ratio, and sodium hydroxide, ethyl alcohol, water are mixed, and stirring is equal
It is even to get sodium hydroxide-ethanol solution.
Emulsifier is octyl phenol polyoxyethylene ether.
Gelatin nanoparticle is according to parts by weight, to take 55 parts of solution of ferrous chloride, 35 parts of distilled water, 35 parts of sodium hydroxides
Solution, 12 parts of gelatin, 9 parts of hydrogenperoxide steam generators, will in gelatin solution distilled water, be added 0.2mol/L solution of ferrous chloride,
0.007mol/L hydrogenperoxide steam generator stirs 1h with 350 r/min, 3mol/L sodium hydroxide solution is added dropwise, is passed through nitrogen protection,
3h is placed in 95 DEG C of temperature of water-bath to get gelatin nanoparticle.
A kind of preparation method of water base metal cleaning agent, the preparation method include the following steps:
(1) according to parts by weight, 12 parts of lauryl alcohols, 7 parts of toluene, 3 parts of triethyl benzyl ammonia chlorides, 1 part of 0.5mol/L are taken
Sodium hydroxide solution, 0.2 part of epoxychloropropane carry out lauryl alcohol, toluene, triethyl benzyl ammonia chloride, sodium hydroxide solution
Mixing, stirs evenly, and epoxychloropropane is added dropwise to 47 DEG C in heating water bath, stands 4h, filters while hot, obtain filtrate, by filtrate temperature
Degree is that 47 DEG C of deionized waters are diluted to neutrality, is concentrated, and vacuum drying obtains dried object；
(2) according to parts by weight, 35 parts of sodium hydroxide-ethanol solutions, 7 parts of dried objects, 3 parts of mixtures are taken, by mixture,
Sodium hydroxide-ethanol solution is mixed, and is vacuumized in vacuum degree 1KPa and is heated to 55 DEG C, and dried object is added, vacuumizes heating
To 130 DEG C, 2h is kept the temperature, heat preservation object is obtained, object ethanol washing will be kept the temperature, it is dry, dried object a, in mass ratio 2:1:0.2 are obtained, it will
Dried object a, neopelex, n-butanol are mixed, and are stirred evenly, and stirring mixture is obtained；
(3) 1:7 in mass ratio mixes polyvinyl alcohol, deionized water, stirs 27min at 92 DEG C of temperature, must stir
Liquid is mixed, according to parts by weight, takes 35 parts of stirring liquid, 12 parts of methyl methacrylates, 7 parts of methyl acrylates, 5 parts of acrylic acid, 2 parts
Stirring mixture, 1 part of emulsifier, 0.2 part of vinyltriethoxysilane are mixed, at 27 DEG C of temperature, 750r/min condition
Lower stirring 1h, obtains mixed emulsion；
(4) 12:1 in mass ratio mixes mixture, sodium hydrogensulfite, stirs 27min at 65 DEG C of temperature, adds
Entering the 0.1mol/L potassium persulfate solution of mixture quality 1%, stands 27min, adjusting pH value to 8 is warming up to 72 DEG C, 3h is kept the temperature,
PH value is adjusted to neutrality, obtains neutral emulsion；
(5) according to parts by weight, 42 parts of neutral emulsions, 35 parts of water, 5 parts of polyethylene glycol, 2 parts of gelatin nanoparticles, 1 part are taken
Triethanolamine, 0.5 part of benzotriazole, 0.5 part of methenamine, by deionized water, gelatin nanoparticle, benzotriazole, crow
Lip river tropine, polyethylene glycol, triethanolamine are mixed, and are stirred evenly under temperature 45 C, and neutral emulsion is added, and stir 27min,
Up to water base metal cleaning agent.
Mixture is 1:0.8 in mass ratio, and glycerol, sodium hydroxide are put into container and are mixed, and is passed through nitrogen, heating
To 250 DEG C to get modifier.
Sodium hydroxide-ethanol solution is 10:2:100 in mass ratio, and sodium hydroxide, ethyl alcohol, water are mixed, and stirring is equal
It is even to get sodium hydroxide-ethanol solution.
Emulsifier is octyl phenol polyoxyethylene ether.
Gelatin nanoparticle is according to parts by weight, to take 60 parts of solution of ferrous chloride, 40 parts of distilled water, 40 parts of sodium hydroxides
Solution, 15 parts of gelatin, 10 parts of hydrogenperoxide steam generators, will in gelatin solution distilled water, be added 0.2mol/L solution of ferrous chloride,
0.007mol/L hydrogenperoxide steam generator stirs 2h with 400 r/min, 3mol/L sodium hydroxide solution is added dropwise, is passed through nitrogen protection,
4h is placed in 100 DEG C of temperature of water-bath to get gelatin nanoparticle.
A kind of preparation method of water base metal cleaning agent, the preparation method include the following steps:
(1) according to parts by weight, 15 parts of lauryl alcohols, 8 parts of toluene, 4 parts of triethyl benzyl ammonia chlorides, 2 parts of 0.5mol/L are taken
Sodium hydroxide solution, 0.3 part of epoxychloropropane carry out lauryl alcohol, toluene, triethyl benzyl ammonia chloride, sodium hydroxide solution
Mixing, stirs evenly, and epoxychloropropane is added dropwise to 50 DEG C in heating water bath, stands 5h, filters while hot, obtain filtrate, by filtrate temperature
Degree is that 50 DEG C of deionized waters are diluted to neutrality, is concentrated, and vacuum drying obtains dried object；
(2) according to parts by weight, 40 parts of sodium hydroxide-ethanol solutions, 8 parts of dried objects, 4 parts of mixtures are taken, by mixture,
Sodium hydroxide-ethanol solution is mixed, and is vacuumized in vacuum degree 2KPa and is heated to 60 DEG C, and dried object is added, vacuumizes heating
To 150 DEG C, 3h is kept the temperature, heat preservation object is obtained, object ethanol washing will be kept the temperature, it is dry, dried object a, in mass ratio 2:1:0.2 are obtained, it will
Dried object a, neopelex, n-butanol are mixed, and are stirred evenly, and stirring mixture is obtained；
(3) 1:8 in mass ratio mixes polyvinyl alcohol, deionized water, stirs 30min at 95 DEG C of temperature, must stir
Liquid is mixed, according to parts by weight, takes 40 parts of stirring liquid, 15 parts of methyl methacrylates, 8 parts of methyl acrylates, 6 parts of acrylic acid, 3 parts
Stirring mixture, 2 parts of emulsifiers, 0.3 part of vinyltriethoxysilane are mixed, at 30 DEG C of temperature, 800r/min condition
Lower stirring 2h, obtains mixed emulsion；
(4) 15:2 in mass ratio mixes mixture, sodium hydrogensulfite, stirs 30min under temperature 70 C, adds
Entering the 0.1mol/L potassium persulfate solution of mixture quality 2%, stands 30min, adjusting pH value to 9 is warming up to 75 DEG C, 4h is kept the temperature,
PH value is adjusted to neutrality, obtains neutral emulsion；
(5) according to parts by weight, 45 parts of neutral emulsions, 40 parts of water, 6 parts of polyethylene glycol, 3 parts of gelatin nanoparticles, 2 parts are taken
Triethanolamine, 1 part of benzotriazole, 1 part of methenamine, by deionized water, gelatin nanoparticle, benzotriazole, Wu Luotuo
Product, polyethylene glycol, triethanolamine are mixed, and are stirred evenly under temperature 50 C, and neutral emulsion is added, and stir 30 min, i.e.,
Obtain water base metal cleaning agent.
Comparative example: the water base metal cleaning agent of Xi'an Chemical Co., Ltd. production
Method: taking metal cleaner prepared by the embodiment and comparative example of equivalent, according to standard GB/T 12612-2005
Detect its performance.
The specific detection case of metal cleaner such as table 1
Table 1
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example |
| Appearance | Uniformly, not stratified, without precipitating | Uniformly, not stratified, without precipitating | Uniformly, not stratified, without precipitating | Layering, a small amount of precipitating |
| Rinsing performance | Without visible residual | Without visible residual | Without visible residual | A small amount of residual |
| High-temperature stability (6h, 60 ± 2 DEG C) | Uniformly, not stratified | Uniformly, not stratified | Uniformly, not stratified | Layering |
| Low-temperature stability (for 24 hours, -5 ± 2 DEG C) | Uniformly, not stratified, without precipitating | Uniformly, not stratified, without precipitating | Uniformly, not stratified, without precipitating | Layering, a small amount of precipitating |
Using metal cleaner prepared by embodiment and comparative example, the low-carbon steel material of equivalent is cleaned.
The specific detection case of metal cleaner such as table 2
Table 2
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example |
| Cleaning effect | Estimate contamination-free | Estimate contamination-free | Estimate contamination-free | A small amount of pollutant precipitating is overflowed |
| Cleaning efficiency (%) | 87.16 | 91.82 | 94.25 | 71.36 |
From the foregoing, it will be observed that metal cleaner prepared by the present invention can efficiently clean metal, and cleaning efficiency is high, will not
Object precipitating is polluted, in addition, preparation method is simple to operation, it is the preparation side of a kind of safety and efficient metal cleaner
Method is worthy to be popularized and uses.
Claims (3)
1. a kind of preparation method of water base metal cleaning agent, which is characterized in that the preparation method includes the following steps:
(1) according to parts by weight, 10 ~ 15 parts of lauryl alcohols, 7 ~ 8 parts of toluene, 3 ~ 4 parts of triethyl benzyl ammonia chlorides, 1 ~ 2 part of hydrogen-oxygen are taken
Change sodium solution, 0.2 ~ 0.3 part of epoxychloropropane, lauryl alcohol, toluene, triethyl benzyl ammonia chloride, sodium hydroxide solution are carried out
Mixing, stirs evenly, and epoxychloropropane is added dropwise to 45 ~ 50 DEG C in heating water bath, stands, filters while hot, obtain filtrate, filtrate is used
Temperature is that 40 ~ 50 DEG C of deionized waters are diluted to neutrality, is concentrated, and vacuum drying obtains dried object；
(2) according to parts by weight, 30 ~ 40 parts of sodium hydroxide-ethanol solutions, 7 ~ 8 parts of dried objects, 3 ~ 4 parts of mixtures, mixture are taken
It is 1:0.8 in mass ratio, glycerol, sodium hydroxide is put into container and is mixed, nitrogen is passed through, be warming up to 200 ~ 250 DEG C, protects
1 ~ 2h of temperature mixes mixture, sodium hydroxide-ethanol solution to get mixture, vacuumizes and is heated to 50 ~ 60 DEG C, is added
Dried object vacuumizes and is heated to 120 ~ 150 DEG C, and heat preservation obtains heat preservation object, will keep the temperature object ethanol washing, dry, obtains dried object a,
Dried object a, neopelex, n-butanol are mixed, are stirred evenly by 2:1:0.2 in mass ratio, must be stirred
Object；
(3) 1:7 ~ 8 in mass ratio, polyvinyl alcohol, deionized water are mixed, stirs, must stir at 90 ~ 95 DEG C of temperature
Liquid takes 30 ~ 40 parts of stirring liquid, 10 ~ 15 parts of methyl methacrylates, 7 ~ 8 parts of methyl acrylates, 5 ~ 6 part third according to parts by weight
Olefin(e) acid, 2 ~ 3 parts of stirring mixtures, 1 ~ 2 part of emulsifier, 0.2 ~ 0.3 part of vinyltriethoxysilane are mixed, in temperature 25
1 ~ 2h is stirred at ~ 30 DEG C, obtains mixed emulsion；
(4) 10 ~ 15:1 ~ 2 in mass ratio, mixed emulsion, sodium hydrogensulfite are mixed, stirs, adds at 60 ~ 70 DEG C of temperature
Enter the potassium persulfate solution of mixture quality 1 ~ 2%, stand, adjusts pH value to 8 ~ 9, be warming up to 70 ~ 75 DEG C, heat preservation adjusts pH value
To neutrality, neutral emulsion is obtained；
(5) according to parts by weight, 40 ~ 45 parts of neutral emulsions, 30 ~ 40 parts of water, 5 ~ 6 parts of polyethylene glycol, 2 ~ 3 parts of nanoparticles gelatin grains are taken
Son, 1 ~ 2 part of triethanolamine, 0.5 ~ 1 part of benzotriazole, 0.5 ~ 1 part of methenamine, by deionized water, gelatin nanoparticle, benzene
And triazole, methenamine, polyethylene glycol, triethanolamine are mixed, and are stirred evenly at 40 ~ 50 DEG C of temperature, are added neutral
Lotion stirs to get water base metal cleaning agent.
2. the preparation method of water base metal cleaning agent according to claim 1, which is characterized in that emulsification in the step (3)
Agent is octyl phenol polyoxyethylene ether.
3. the preparation method of water base metal cleaning agent according to claim 1, which is characterized in that nanometer in the step (5)
Gelatine particle is according to parts by weight, to take 50 ~ 60 parts of solution of ferrous chloride, 30 ~ 40 parts of distilled water, 30 ~ 40 parts of sodium hydroxides molten
Liquid, 10 ~ 15 parts of gelatin, 8 ~ 10 parts of hydrogenperoxide steam generators, by gelatin solution distilled water, it is molten that 0.2mol/L frerrous chloride is added
Liquid, 0.007mol/L hydrogenperoxide steam generator stir 1 ~ 2h with 300 ~ 400 r/min, 3mol/L sodium hydroxide solution are added dropwise, is passed through
Nitrogen protection places 3 ~ 4h in 90 ~ 100 DEG C of temperature of water-bath to get gelatin nanoparticle.
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