CN107893229A - A kind of engine coolant inhibition stabilizer and cooling liquid and preparation method thereof - Google Patents
A kind of engine coolant inhibition stabilizer and cooling liquid and preparation method thereof Download PDFInfo
- Publication number
- CN107893229A CN107893229A CN201711011450.0A CN201711011450A CN107893229A CN 107893229 A CN107893229 A CN 107893229A CN 201711011450 A CN201711011450 A CN 201711011450A CN 107893229 A CN107893229 A CN 107893229A
- Authority
- CN
- China
- Prior art keywords
- acid salt
- engine coolant
- salt
- silicate
- stabilizer
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/20—Antifreeze additives therefor, e.g. for radiator liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The present invention relates to a kind of engine coolant silicate inhibition stabilizer, the engine coolant silicate inhibition stabilizer includes the material of following mass percent：Fluoride salt 1.5% 6.5%, molybdate 1.5% 2.5%, polyepoxysuccinic acid salt 0.0006% 0.0009%, tetraborate 0.1 0.2%, gluconate 0.3% 2.5%, aromatic amino acid salt 3% 4%, 2.5% 6.5% aliphatic carboxylic acid salt additives, surplus is deionized water.By the present invention engine coolant that but prepared by liquid silicate inhibition stabilizer, more excellent synergy can be produced between compound corrosion inhibitor, reaches more preferable corrosion mitigating effect, application is wider.
Description
Technical field
The present invention relates to engine cool technical field, and in particular to a kind of engine coolant inhibition stabilizer and use
The cooling liquid and preparation method thereof of the stabilizer.
Background technology
Engine coolant is the heat-conducting medium in cooling system, has cooling, anti-corrosion, antiscale, antifreeze function, is hair
The indispensable part of motivation normal work, in recent years, with the fast development of domestic and international auto industry, to car engine
The quality requirement of machine coolant is more and more high.Usually used engine coolant is mostly the aqueous solution of ethylene glycol, based on water
Cooling medium is wanted, ethylene glycol is used for the freezing point for reducing coolant；Meanwhile in order to ensure that each metal parts of engine-cooling system exists
Be not cooled corrosion during use, and various corrosion inhibiter are generally added in coolant.Employed in common coolant
Corrosion inhibition additive also has part to use acylate, is typically chosen silicate based on inorganic salts.
Silicate is the special corrosion inhibitor of aluminium and ferroalloy, and it is cheap, meet environmental requirement, but silicate
Using the problem of storage and stability in use difference being present, precipitation and spawn are easily formed, reduces Corrosion Protection, and
And caused gel easily blocks radiator line and is attached to heat sink inner surface reduction heat transfer efficiency and causes engine overheat
Failure.
A kind of organic engine cooling liquid is disclosed in CN1336410A in Chinese patent database, by ethylene glycol
1000 parts, decanedioic acid 2-8 parts, terephthalic acid (TPA) 2-5 parts, azimido-toluene 1-4 parts, p-tert-butyl benzoic acid 5-25 parts, octanoic acid
1-12 parts, butanedioic acid 1-4 parts, defoamer 0.1-0.2 part raw materials are made.Although the organic acid type coolant basicity is very high,
Protection to metallic iron and aluminium is inadequate.
Therefore more preferable corrosion mitigating effect can be reached by being badly in need of one kind, to the various metals in engine and its cooling system or
Alloy has excellent corrosion inhibition and anti-scaling function, corrosion mitigating effect adaptability is stronger, the wider array of engine coolant of application
Stabilizer.
The content of the invention
For problem above, the invention provides a kind of engine coolant silicate compound stabilizer.Specifically use
Technical scheme is as follows：
According to a kind of engine coolant silicate inhibition stabilizer of the present invention, the engine coolant silicic acid
Salt inhibition stabilizer includes the material of following mass percent：Fluoride salt 1.5%-6.5%, molybdate 1.5%-2.5%, polycyclic
Oxydisuccinic acid salt 0.0006%-0.0009%, tetraborate 0.1-0.2%, gluconate 0.3%-2.5%, aromatic amine
Base hydrochlorate 3%-4%, 2.5%-6.5% aliphatic carboxylic acid salt additives, surplus are deionized water.
According to engine coolant silicate inhibition stabilizer of the present invention, described aliphatic carboxylic acid salt additives by
Component A (isoamyl acetic acid salt, margarate, C7~C21 naphthenates, ethene hydrochlorate, 8- heptadecenoic acids salt or the hendecenes of 12- bis-
At least one of hydrochlorate), component B (dodecyl benzoic acid salt), component C：Ethylhexanoate salt, according to 1:1:2 mass percent
Prepare.
According to engine coolant silicate inhibition stabilizer of the present invention, described aliphatic carboxylic acid salt additives by
Component A (isoamyl acetic acid salt, margarate, C7~C21 naphthenates, ethene hydrochlorate, 8- heptadecenoic acids salt or the hendecenes of 12- bis-
At least one of hydrochlorate), component B (dodecyl benzoic acid salt), component C：Ethylhexanoate salt, according to 1:1:1 mass percent
Prepare.
According to engine coolant silicate inhibition stabilizer of the present invention, described aromatic amino acid salt is junket
Propylhomoserin potassium or Sodium phenylalaninate.
The method that engine coolant is prepared according to stabilizer of the present invention, specifically includes following steps：
A. by fluoride salt, molybdate, polyepoxysuccinic acid salt, tetraborate, gluconate, aromatic amino acid salt and
Aliphatic carboxylic acid salt additives are added in deionized water in proportion to be put into reactor, is stirred at 50 DEG C, adjusts pH value
Between 7-8, solution A is designated as；
B. the anhydrous silicate of 0.15%-0.33% mass ratioes is added in solution A, stirs, be designated as solution B；
C. filtering solution B, according to (70%-75%) within 20 minutes:The mass ratio of (25%-30%) is in ethylene glycol
Liquor B is added, the organic silicon defoamer for adding 5ppm fluorescein sodiums and 20-40ppm stirs, and obtains required start
Machine coolant.
Engine coolant silicate inhibition stabilizer of the present invention is a kind of highly efficiency compositional corrosion inhibiter.By above-mentioned
Engine coolant prepared by coolant silicate inhibition stabilizer, more excellent synergy can be produced between compound corrosion inhibitor,
Reach more preferable corrosion mitigating effect, in engine and its cooling system various metal or alloy (such as aluminium, copper, steel, cast iron,
Scolding tin, magnesium and its alloy) there are excellent corrosion inhibition and anti-scaling function, corrosion mitigating effect adaptability is stronger, and application is wider.
Embodiment
Engine coolant is the heat-conducting medium in cooling system, has cooling, anti-corrosion, antiscale, antifreeze function, is hair
The indispensable part of motivation normal work, coolant are mainly made up of antifreezing agent and corrosion inhibiter, and antifreezing agent uses second two
Alcohol, corrosion inhibiter are formed by various single doses compounding, and the compounding of wherein corrosion inhibiter is one of key technology of coolant.
Silicate is the special corrosion inhibitor of the alloys such as aluminium and iron, and it is cheap, meet environmental requirement, but silicate
Use storage be present and the problem of stability in use difference, easily form precipitation and spawn, reduce Corrosion Protection,
And caused gel, which easily blocks radiator line and is attached to heat sink inner surface reduction heat transfer efficiency, causes engine mistake
Hot stall.
Silicate unstable the main reason for existing is silicate and the calcium in water, magnesium ion reaction generation precipitation and silicon
The gel of hydrochlorate separates out.The precipitation of silicate can control the amount of calcium ions and magnesium ions in water to be resolved.The gel of silicate separates out
Process is complicated, and silicate self-polymerization, growth, aggregation form network structure, finally extend to and gel is separated out from solution, is formed
It is the speed of gel, how much relevant, it is necessary to use silicate stabilizers solution with the factor such as the property of coolant itself and external condition
Certainly.Existing silicate stabilizers product selection and matching degree are poor, seriously constrain coolant technology and product quality, the present invention
In stabilizer solve the problems, such as well silicate storage and stability in use.
The present invention provides a kind of engine coolant silicate inhibition stabilizer, and its mechanism of action is：Physical crosslinking or
Physicochemical mixing is crosslinked, and the different group of two kinds of property in molecule be present, and a kind of group and organic matter have compatible well
Property and physical entanglement；Another group then with inorganic matter formed chemical bond, carry out multi-point-anchoring, that is, carry out physical and chemical adsorption or
Chemical reaction forms strong chemical bond, precipitation and the cohesion of silicate is prevented, so as to ensure that the stabilization of coolant.
To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention will be made into one below
It is described in detail on step ground.
All embodiments of the invention are all in accordance with inhibition of the SH/T0085-91 engine coolant corrosion measurement methods to corrosion inhibiter
Function is measured.
Embodiment 1：
The present embodiment 1 provides a kind of engine coolant silicate inhibition stabilizer W1, the engine coolant silicon
Hydrochlorate inhibition stabilizer includes the material of following mass percent：
Potassium fluoride 1.5%-6.5%, potassium molybdate 1.5%-2.5%, poly-epoxy succinic acid potassium 0.0006%-0.0009%,
Dipotassium tetraborate 0.1-0.2%, K-IAO 0.3%-2.5%, aromatic amino acid salt 3%-4%, 2.5%-6.5% fat
Fat carboxylic acid salt additives, surplus are deionized water.Described aliphatic carboxylic acid salt additives are by component A (isoamyl acetic acid salt, Heptadecanoic acide
At least one of salt, C7~C21 naphthenates, ethene hydrochlorate, 8- heptadecenoic acids salt or the undecylenate salts of 12- bis-), component B
(dodecyl benzoic acid salt), component C：Ethylhexanoate salt, according to 1:1:2 mass percent is prepared.Described aromatic amino acid
Salt is tyrosine potassium.
The preparation method of engine coolant is additionally provided in the present embodiment, specifically includes following steps：
A. by potassium fluoride, potassium molybdate, poly-epoxy succinic acid potassium, dipotassium tetraborate, K-IAO, aromatic amino acid potassium and
Aliphatic carboxylic acid salt additives are added in deionized water in proportion to be put into reactor, is stirred at 50 DEG C, adjusts pH value
For 7.55, solution A is designated as；
B. the silicic acid anhydride potassium of 0.15%-0.33% mass ratioes is added in solution A, stirs, be designated as solution B；
C. filtering solution B, according to 75% within 20 minutes:25% mass ratio adds in ethylene glycol adds liquor B,
The organic silicon defoamer for adding 5ppm fluorescein sodiums and 20-40ppm stirs, and obtains required engine coolant.
The technical indicator of the engine coolant prepared by the above-mentioned preparation method described in the present embodiment is as follows：
| Outward appearance | Light yellow transparent liquid | Density | 1.012(20℃) |
| Viscosity | 20map.s(25℃) | Hydroxyl value | ≥320℃ |
| PH value | 7-8 | Dissolubility | Water, alcohol polar solvent |
The engine coolant provided by the present embodiment engine coolant silicate inhibition stabilizer of addition, can
By suitably being selected the pKa value of aliphatic acid or soap, aromatic acid or fragrant hydrochlorate, and polycyclic oxygen amber is used simultaneously
Amber acid potassium, dipotassium tetraborate, the mixture of K-IAO can improve the buffering of engine coolant as buffer platform elevator
Platform, so as to ensure that the engine coolant of the present invention has preferably protection to metal.
In the embodiment of the present invention, potassium fluoride and potassium molybdate can be effectively formed fine and close protection on metal or alloy surface
Film, prevent corrosion of the ethylene glycol catabolite in coolant to metal or alloy；Comprising deionized water can rise well
Chelating, corrosion inhibition, prevent anti-icing fluid fouling while, fluffing action is played to the dirty layer of aging.
The silicate added in the present embodiment engine coolant process for preparation, can in the presence of corrosion inhibiter of the present invention
Reacted by the electrochemical cathode for suppressing metal or alloy, passivating film is formed on its surface, to make metal or alloy (especially aluminium
Or aluminium alloy) corrosion inhibition reach optimal；Comprising aromatic amino acid and metal ion complexing power it is stronger, and this
The fat carboxylate that invention corrosion inhibiter is included can promote the complexing, and complete adsorbed film is formed on metal or alloy surface, from
And the corrosion of metal or alloy can be slowed down.
Specifically, by taking aluminum metal as an example, the aliphatic carboxylic acid salt additives in the present embodiment and the ethylene glycol in coolant
After being combined with aluminium, following soluble ingredient is obtained, effectively alleviates the generation of precipitation and spawn.
Wherein：R1 is different heptyl, heptadecyl, C7~C21 cycloalkyl, vinyl, the alkenyls of 8- 17 or the hendecenes of 12- bis-
Base；R2 is dodecylphenyl；R3 is iso-octyl.
Corrosion inhibiter provided in an embodiment of the present invention, its corrosion mitigating effect is studied and found, under said ratio, the compounding inhibition
Agent has more excellent corrosion inhibition and obvious cooperative effect to iron and its alloy, and its corrosion mitigating effect is good, and its indices is equal
Meet SH/T0085-91 professional standard, be a kind of highly efficiency compositional corrosion inhibiter of low toxic and environment-friendly.It is provided in an embodiment of the present invention slow
Erosion agent can not only obtain more preferable corrosion mitigating effect, and raw material is cheap and easy to get, has higher economic serviceability, beneficial to scale
Use.
Embodiment 2
The present embodiment 2 provides a kind of engine coolant silicate inhibition stabilizer W2, the engine coolant silicon
Hydrochlorate inhibition stabilizer includes the material of following mass percent：
Sodium fluoride 1.5%-6.5%, sodium molybdate 1.5%-2.5%, polyepoxy sodium succinate 0.0006%-0.0009%,
Sodium tetraborate 0.1-0.2%, sodium gluconate 0.3%-2.5%, aromatic amino acid salt 3%-4%, 5.5%-7.5% fat
Fat carboxylic acid salt additives, surplus are deionized water, and described aliphatic carboxylic acid salt additives are by component A (isoamyl acetic acid salt, Heptadecanoic acide
At least one of salt, C7~C21 naphthenates, ethene hydrochlorate, 8- heptadecenoic acids salt or the undecylenate salts of 12- bis-), component B
(dodecyl benzoic acid salt), component C：Ethylhexanoate salt, according to 1:1:2 mass percent is prepared.Described aromatic amino acid
Salt is Sodium phenylalaninate.
The preparation method of engine coolant is additionally provided in the present embodiment, specifically includes following steps：
A. by sodium fluoride, sodium molybdate, polyepoxy sodium succinate, sodium tetraborate, sodium gluconate, aromatic series azole and fat
Carboxylic acid salt additives are added in deionized water in proportion to be put into reactor, is stirred at 50 DEG C, and regulation pH value is
7.85, it is designated as solution A；
B. the anhydrous sodium metasilicate of 0.15%-0.33% mass ratioes is added in solution A, stirs, be designated as solution B；
C. filtering solution B, according to 70% within 20 minutes:30% mass ratio adds in ethylene glycol adds liquor B,
The organic silicon defoamer for adding 5ppm fluorescein sodiums and 20-40ppm stirs, and obtains required engine coolant.
The technical indicator of the engine coolant prepared by the above-mentioned preparation method described in the present embodiment is as follows：
| Outward appearance | Light yellow transparent liquid | Density | 1.001(20℃) |
| Viscosity | 20map.s(25℃) | Hydroxyl value | ≥320℃ |
| PH value | 7-8 | Dissolubility | Water, alcohol polar solvent |
The engine coolant provided by the present embodiment engine coolant silicate inhibition stabilizer of addition, with iron
Exemplified by metal, specifically, after the aliphatic carboxylic acid salt additives in the present embodiment are combined with the ethylene glycol in coolant and iron, obtain
To following soluble ingredient, the generation of precipitation and spawn is effectively alleviated.
Wherein：R1 is different heptyl, heptadecyl, C7~C21 cycloalkyl, vinyl, the alkenyls of 8- 17 or the hendecenes of 12- bis-
Base；R2 is dodecylphenyl；R3 is iso-octyl.
Corrosion inhibiter provided in an embodiment of the present invention, its corrosion mitigating effect is studied and found, under said ratio, the compounding inhibition
Agent has more excellent corrosion inhibition and obvious cooperative effect to iron and its alloy, and its corrosion mitigating effect is good, and its indices is equal
Meet SH/T0085-91 professional standard, be a kind of highly efficiency compositional corrosion inhibiter of low toxic and environment-friendly.
In the embodiment of the present invention 2, sodium fluoride and sodium molybdate can be effectively formed fine and close protection on metal or alloy surface
Film, prevent corrosion of the ethylene glycol catabolite in coolant to metal or alloy；Comprising tetraborate can slow down gold
The electrochemical reaction of category or alloy surface, good corrosion inhibition, while tetraboric acid are played to metal or alloy (especially iron)
Potassium is a kind of pH corrosion inhibiter, has good corrosion inhibition to ferrous metal, is compounded with villiaumite and molybdic acid salt corrosion inhibiter
In use, more preferable corrosion mitigating effect can be produced.
After the present embodiment engine coolant silicate inhibition stabilizer and silicate reaction, can by suppress metal or
The electrochemical cathode reaction of alloy, forms passivating film, to make the corrosion inhibition of metal or alloy reach optimal on its surface；Wrapped
The aromatic amino acid salt and the complexing power of metal ion contained is stronger, and carboxylate can promote the complexing, in metal or alloy
Surface forms complete adsorbed film, so as to slow down the corrosion of metal or alloy (especially copper).
The corrosion inhibiter that the present embodiment provides is avoided using nitrite, chromate, phosphate or amine salt, will not be to environment
Pollute.And the corrosion inhibiter is assisted by the compounding between villiaumite, molybdate, borate, carboxylate and aromatic amino acid salt
Same-action, there is excellent corrosion inhibition to various metals (such as aluminium, copper, steel, cast iron).Its indices meets SH/
T0085-91 professional standard, it is a kind of high-efficiency environment friendly inhibiting solution with higher economic benefit and social benefit.
Embodiment 3：
The present embodiment 3 provides a kind of engine coolant silicate inhibition stabilizer W3, the engine coolant silicon
Hydrochlorate inhibition stabilizer includes the material of following mass percent：
Potassium fluoride 1.5%-6.5%, potassium molybdate 1.5%-2.5%, polyepoxy sodium succinate 0.0006%-0.0009%,
Dipotassium tetraborate 0.1%-0.2%, K-IAO 0.3%-2.5%, aromatic amino acid salt 3%-4%, 2.5%-6.5%
Aliphatic carboxylic acid salt additives, surplus are deionized water, and described aliphatic carboxylic acid salt additives are by component A (isoamyl acetic acid salt, heptadecane
At least one of hydrochlorate, C7~C21 naphthenates, ethene hydrochlorate, 8- heptadecenoic acids salt or the undecylenate salts of 12- bis-), component
B (dodecyl benzoic acid salt), component C：Ethylhexanoate salt, according to 1:1:1 mass percent is prepared.
The preparation method of engine coolant is additionally provided in the present embodiment, specifically includes following steps：
A. by potassium fluoride, potassium molybdate, polyepoxy sodium succinate, dipotassium tetraborate, K-IAO, aromatic amino acid salt and
Aliphatic carboxylic acid salt additives are added in deionized water in proportion to be put into reactor, is stirred at 50 DEG C, adjusts pH value
For 7.65, solution A is designated as；
B. the potassium silicate of 0.15%-0.33% mass ratioes is added in solution A, stirs, be designated as solution B；
C. filtering solution B, according to 72% within 20 minutes:23% mass ratio adds in ethylene glycol adds liquor B,
The organic silicon defoamer for adding 5ppm fluorescein sodiums and 20-40ppm stirs, and obtains required engine coolant.
The technical indicator of the engine coolant prepared by the above-mentioned preparation method described in the present embodiment is as follows：
| Outward appearance | Light yellow transparent liquid | Density | 1.009(20℃) |
| Viscosity | 20map.s(25℃) | Hydroxyl value | ≥320℃ |
| PH value | 7-8 | Dissolubility | Water, alcohol polar solvent |
The engine coolant provided by the present embodiment engine coolant silicate inhibition stabilizer of addition, can
By suitably being selected the pKa value of aliphatic acid or soap, aromatic acid or fragrant hydrochlorate, and polycyclic oxygen amber is used simultaneously
Meticortene Solu-Delta-cortef, dipotassium tetraborate, the mixture of K-IAO can improve the buffering of engine coolant as buffer platform elevator
Platform, so as to ensure that the engine coolant of the present invention has preferably protection to metal.
In the embodiment of the present invention, potassium fluoride and potassium molybdate can be effectively formed fine and close protection on metal or alloy surface
Film, prevent corrosion of the ethylene glycol catabolite in coolant to metal or alloy；Comprising deionized water can with it is antifreeze
Calcium, magnesium in liquid etc. form stable complex compound into dirty material, play good chelating, corrosion inhibition, prevent anti-icing fluid fouling
Meanwhile fluffing action is played to the dirty layer of aging.
After the present embodiment engine coolant silicate inhibition stabilizer is reacted with the silicate added, it can pass through
Suppress the electrochemical cathode reaction of metal or alloy, passivating film is formed on its surface, to make metal or alloy (especially magnesium)
Corrosion inhibition reaches optimal；Comprising aromatic series azole and metal ion complexing power it is stronger, and carboxylate can promote this
Complexing, forms complete adsorbed film, so as to slow down the corrosion of metal or alloy on metal or alloy surface.
By taking magnesium metal as an example, specifically, the aliphatic carboxylic acid salt additives in the present embodiment and the ethylene glycol in coolant
After being combined with aluminium, following soluble ingredient is obtained, effectively alleviates the generation of precipitation and spawn.
Wherein：R1 is different heptyl, heptadecyl, C7~C21 cycloalkyl, vinyl, the alkenyls of 8- 17 or the hendecenes of 12- bis-
Base；R2 is dodecylphenyl；R3 is iso-octyl.
Corrosion inhibiter provided in an embodiment of the present invention, its corrosion mitigating effect is studied and found, under said ratio, the compounding inhibition
Agent has more excellent corrosion inhibition and obvious cooperative effect to magnesium and its alloy, and its corrosion mitigating effect is good, and its indices is equal
Meet SH/T0085-91 professional standard, be a kind of highly efficiency compositional corrosion inhibiter of low toxic and environment-friendly.It is provided in an embodiment of the present invention slow
Erosion agent can not only obtain more preferable corrosion mitigating effect, and raw material is cheap and easy to get, has higher economic serviceability, beneficial to scale
Use.
In the coolant of an anhydrous silicate containing fixed amount, by the stabilizer list described in above three embodiment
Solely or after mixing two-by-two it is added thereto, total addition level is 25%, and selected stabilizer forms 6 formulas, and does blank test
Contrasted, result of the test is as follows：
There is gel after two weeks in blank test it can be seen from above test data, and mixed stabilizer has
Certain effect, but occurred gel at two months or so, the stabilizer stablizing effect of independent component is carried out, and W1 and W3 were at 3 months
All there is not gel in left and right, and only W2 partial gel occurred at 3 months or so.
Therefore, in terms of stablizing effect, the stabilizer in three embodiments all can be separately as the silicate stabilization of coolant
Agent uses.Based on this, to the metals such as three kinds of stabilizers and 10mg aluminium, cast iron, steel, brass, magnesium under conditions of 80 DEG C in glass
Corrosion reaction is carried out in glass vessel 720 hours and make contrast with reference to blank test, situation is as follows：
By test data as can be seen that the sample containing stabilizer W1, solution is without precipitation；Sample containing stabilizer W2
Product, diffusion tip have slight precipitation；Sample containing stabilizer W3, a diameter of 3.5mm a small amount of suspension；And in blank test,
Diffusion tip has more precipitation；Diameter is more than 4mm macroscopic suspension.
It can be obtained in comprehensive two test datas as drawn a conclusion：Stabilizer W1 in embodiment 1 can be used as the present invention
Optimum embodiment.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent substitution that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover among scope of the presently claimed invention.
Claims (5)
1. a kind of engine coolant silicate inhibition stabilizer, the engine coolant silicate inhibition stabilizer include with
The material of lower mass percent：Fluoride salt 1.5%-6.5%, molybdate 1.5%-2.5%, polyepoxysuccinic acid salt
0.0006%-0.0009%, tetraborate 0.1-0.2%, gluconate 0.3%-2.5%, aromatic amino acid salt 3%-
4%th, 2.5%-6.5% aliphatic carboxylic acid salt additives, surplus are deionized water.
2. engine coolant silicate inhibition stabilizer according to claim 1, described aliphatic carboxylic acid salt additives
By component A (isoamyl acetic acid salt, margarate, C7~C21 naphthenates, ethene hydrochlorate, 8- heptadecenoic acids salt or 12- 21
At least one of olefin(e) acid salt), component B (dodecyl benzoic acid salt), component C：Ethylhexanoate salt, according to 1:1:2 quality percentage
Than preparing.
3. engine coolant silicate inhibition stabilizer according to claim 1, described aliphatic carboxylic acid salt additives
By component A (isoamyl acetic acid salt, margarate, C7~C21 naphthenates, ethene hydrochlorate, 8- heptadecenoic acids salt or 12- 21
At least one of olefin(e) acid salt), component B (dodecyl benzoic acid salt), component C：Ethylhexanoate salt, according to 1:1:1 quality percentage
Than preparing.
4. the engine coolant silicate inhibition stabilizer according to claim 1 or 2 or 3, described aromatic series amino
Hydrochlorate is tyrosine potassium or Sodium phenylalaninate.
5. a kind of method that stabilizer using one of the claims prepares engine coolant, specifically include following step
Suddenly：
A. by fluoride salt, molybdate, polyepoxysuccinic acid salt, tetraborate, gluconate, aromatic amino acid salt and fat
Carboxylic acid salt additives are added in deionized water in proportion to be put into reactor, is stirred at 50 DEG C, and regulation pH value is 7-8
Between, it is designated as solution A；
B. the anhydrous silicate of 0.15%-0.33% mass ratioes is added in solution A, stirs, be designated as solution B；
C. filtering solution B, according to (70%-75%) within 20 minutes:The mass ratio of (25%-30%) adds in ethylene glycol
Liquor B is added, the organic silicon defoamer for adding 5ppm fluorescein sodiums and 20-40ppm stirs, and it is cold to obtain required engine
But liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011450.0A CN107893229B (en) | 2017-10-26 | 2017-10-26 | A kind of engine coolant inhibition stabilizer and cooling liquid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011450.0A CN107893229B (en) | 2017-10-26 | 2017-10-26 | A kind of engine coolant inhibition stabilizer and cooling liquid and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107893229A true CN107893229A (en) | 2018-04-10 |
| CN107893229B CN107893229B (en) | 2019-02-19 |
Family
ID=61803872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711011450.0A Active CN107893229B (en) | 2017-10-26 | 2017-10-26 | A kind of engine coolant inhibition stabilizer and cooling liquid and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107893229B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910010A (en) * | 2018-06-25 | 2018-11-30 | 浙江工业大学 | A kind of method of the green safe preservation aquatic products in sea |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102453469A (en) * | 2010-10-26 | 2012-05-16 | 比亚迪股份有限公司 | Engine coolant and preparation method thereof |
| CN102452724A (en) * | 2010-10-20 | 2012-05-16 | 中国石油化工股份有限公司 | Composite corrosion and scale inhibitor and its application in water treatment |
| CN103695927A (en) * | 2013-12-23 | 2014-04-02 | 奇瑞汽车股份有限公司 | Corrosion inhibitor |
| CN104031783A (en) * | 2014-06-30 | 2014-09-10 | 张松波 | Lotion for removing stains |
-
2017
- 2017-10-26 CN CN201711011450.0A patent/CN107893229B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452724A (en) * | 2010-10-20 | 2012-05-16 | 中国石油化工股份有限公司 | Composite corrosion and scale inhibitor and its application in water treatment |
| CN102453469A (en) * | 2010-10-26 | 2012-05-16 | 比亚迪股份有限公司 | Engine coolant and preparation method thereof |
| CN103695927A (en) * | 2013-12-23 | 2014-04-02 | 奇瑞汽车股份有限公司 | Corrosion inhibitor |
| CN104031783A (en) * | 2014-06-30 | 2014-09-10 | 张松波 | Lotion for removing stains |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910010A (en) * | 2018-06-25 | 2018-11-30 | 浙江工业大学 | A kind of method of the green safe preservation aquatic products in sea |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107893229B (en) | 2019-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108913106B (en) | All-organic engine coolant | |
| US4851145A (en) | Corrosion-inhibited antifreeze/coolant composition | |
| CN103666404A (en) | Full-organic hard water stable engine cooling liquid and making method thereof | |
| AU2002256500B2 (en) | Monocarboxylic acid based antifreeze composition | |
| US6802988B1 (en) | Antifreeze concentrates based on dicarboxylic acids, molybdate and triazoles or thiazoles, and coolant compositions comprising them | |
| US20070131898A1 (en) | Antifreeze composition | |
| CN102453469B (en) | Engine coolant and preparation method thereof | |
| JPH06116764A (en) | Antifreeze composition | |
| ZA200502912B (en) | Method for cooling high temperature engines | |
| KR19990077315A (en) | Use of quaternized imidazoles as nonferrous metal corrosion inhibitors, concentrated antifreeze and coolant compositions containing depressants | |
| US4324675A (en) | Protective additive for radiators in coolants containing water | |
| CN107488443A (en) | A kind of anti-icing fluid and preparation method thereof | |
| CN1150291C (en) | Silicate free antifreeze composition | |
| CN107893229B (en) | A kind of engine coolant inhibition stabilizer and cooling liquid and preparation method thereof | |
| CN106350029A (en) | Efficient corrosion-resistant motor vehicle antifreeze fluid and preparation method thereof | |
| AU772428B2 (en) | Monocarboxylic acid based antifreeze composition for diesel engines | |
| US9193896B2 (en) | Composition having enhanced corrosion resistance and pH buffering property for antifreeze liquid or coolant | |
| CN106367039A (en) | Vehicle antifreezing solution and preparation method thereof | |
| CN110093145A (en) | A kind of long-acting anti-freeze cooling liquid of synthetic additive type and preparation method | |
| CN105018047A (en) | Automobile cooling fluid and preparation method thereof | |
| CN112574721A (en) | Multi-effect environment-friendly glycol type automobile cooling liquid and preparation method thereof | |
| US20080001118A1 (en) | Additive combinations, antifreeze concentrates, coolant compositions, and method for using same to provide corrosion and oxidation inhibition at high temperatures | |
| JPH02292386A (en) | Coolant composition | |
| JP2008088242A (en) | Cooling liquid composition | |
| CN108997984A (en) | Liquid, preparation method and application are added in radiator protection |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |