CN106350028A - Automotive antifreeze fluid and preparation method thereof - Google Patents
Automotive antifreeze fluid and preparation method thereof Download PDFInfo
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- CN106350028A CN106350028A CN201610670460.4A CN201610670460A CN106350028A CN 106350028 A CN106350028 A CN 106350028A CN 201610670460 A CN201610670460 A CN 201610670460A CN 106350028 A CN106350028 A CN 106350028A
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- 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
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Abstract
The invention belongs to the technical field of antifreeze fluid and discloses an automotive antifreeze fluid and a preparation method thereof. The automotive antifreeze fluid is prepared from, by mass, 400.0-600.0%o of polyalcohol, 1.0-5.0%o of acrylic acid-acrylate-sulfonate ternary copolymer, 1.0-5.0%o of polyoxyethylene polyoxypropylene segmented copolymer, 5.0-10.0%o of organic amine, 0.5-5.0%o of benzotriazole, 0.5-5.0%o of accelerants, 0.5-5.0%o of sodium hydroxide, 0.5-5.0%o of sodium nitrate, 0.5-5.0%o of sodium metasilicate, 2.0-8.0%o of organic acid, 0.005-0.5%o of sodium fluorescein, 0.005-0.5%o of turquoise blue pigment, 0.005-0.5%o of an anti-foaming agent and the balance deionized water. The automotive antifreeze fluid has advantages of low freezing point, high boiling point, excellent anti-freezing and anti-boiling performances and great corrosion resistance and anti-scaling performances.
Description
Technical field
The invention belongs to anti-icing fluid technical field is and in particular to a kind of motor vehicle antifreeze fluid and preparation method thereof.
Background technology
Anti-icing fluid, also known as anti-freeze cooling liquid, is used for preventing the unfrozen cooling fluid when Cold Winter stops and spalling radiator
With freezing cylinder.Automobile, train diesel locomotive, tractor, steamer, electromotor, water tank and various plant equipment, bavin
Oil machine, the cooling system of gasoline engine will use anti-icing fluid.In the coolant path of internal combustion engine, there is aluminum, cast iron, steel, Huang
The materials such as copper, scolding tin, copper, anti-icing fluid can will effectively suppress the corrosion to these materials.Therefore anti-icing fluid not only will have well
Cooling performance, also to have the function of anti-freeze and antirust antiscale.
The measurement index of anti-icing fluid mainly has freezing point and boiling point two: the freezing point of water is 0 DEG C, and general anti-icing fluid freezing point all may be used
Reach -40 DEG C about；Another is the boiling point of anti-icing fluid, and the boiling point of water is 100 DEG C, and anti-icing fluid at least should reach 106 DEG C with
On.Generally speaking freezing point is lower, and boiling point is higher, and the temperature difference is bigger therebetween, and the quality of anti-icing fluid is higher.In addition, anti-icing fluid
Also to there is the composition of antirust antiscale, the effect of the corrosion to tube metal material for the suppression, particularly from the trend of automotive light weight technology
From the point of view of, the use of aluminum is more and more extensive, so the requirement corrosion inhibition to aluminum is also clear and definite all the more.
If mishandling, anti-icing fluid easy corroding metal parts in use, the metal parts being corroded for a long time
Generate substantial amounts of rust, serious meeting gradually eating thrown metallic plate and lead to seepage, this is directly connected to making of automobile cooling system
Use the life-span；It is also easy to form incrustation scale, the heat conductivity of incrustation scale is little, is the 1/25 of cast iron, and pyrite 1/50 leads to coolant simultaneously
Heat conductivity substantially reduces, cooling effect degradation；Engine temperature raises, corrosion increases, and further promotes incrustation scale to increase
Plus, form vicious cycle；Incrustation scale is also possible to block the pipeline of cooling system.
In the prior art, anti-icing fluid species is more, according to the difference of basal liquid, is divided into alcohols anti-icing fluid, inorganic salt to prevent
Freeze liquid, polysaccharide anti-icing fluid and water anti-icing fluid, wherein, alcohols anti-icing fluid with the advantage of its anti-scaling property and Corrosion Protection, constantly
Development and application, popularizes now very much, but yet suffers from life-time service and easily cause corrosion attack to ask metal parts
Topic, additionally, also contain the compositions such as nitrite, amine salt, phosphate, chromate in existing a lot of motor vehicle antifreeze fluid, to human body with
Environment is harmful to, and does not meet environmental requirement.
Content of the invention
It is an object of the invention to provide a kind of cooling effect and good freezing protection effect, antiseptic and rustproof and scale-preventing performance are excellent
Motor vehicle antifreeze fluid.
It is a further object of the present invention to provide the preparation method of this motor vehicle antifreeze fluid.
A kind of motor vehicle antifreeze fluid, according to mass percent, including following components:
Further, described polyhydric alcohol is ethylene glycol and/or propylene glycol.
Further, described polyhydric alcohol is the ethylene glycol of 5～95wt% and the propylene glycol of 5～95wt%.
Further, described polyhydric alcohol is made up of the ethylene glycol of 30～70wt% and the propylene glycol of 30～70wt%.
Further, the molecular weight of described acrylic acid-acrylic ester-sulfonate terpolymer is 200～20000, sulphur
Acid groups content is 0.5～5wt%.
Further, the molecular weight of described polyoxyethylene poly-oxygen propylene aether block copolymer is 200～20000, eo segment
Content be 10～80wt%.
Acrylic acid-acrylic ester-sulfonate terpolymer and polyoxyethylene poly-oxygen propylene aether block copolymer are business
Industry product.Wherein acrylic acid-acrylic ester-sulfonate terpolymer can be Shandong calm and peaceful water process scientific ＆ technical corporation
Th-613, th-615, aa-amps-hpa, xt-241, xt-613 of Shandong Xin Tai Water Treatment Technology Co., this is biological in Jiangxi
Acrylic acid-acrylic acid-acrylate-sulfonate terpolymer of Chemical Co., Ltd. etc.；Polyoxyethylene poly-oxygen propylene aether is embedding
Section copolymer can be the pluronic series of products of basf company, the tergitol series of products of dow chemistry, rhodia
Antarox series of products etc..
Further, described organic amine is triethylamine, triethanolamine and n, at least one in n- dimethylethanolamine.
Further, described accelerator is 2-mercaptobenzothiazole, dibenzothiazyl disulfide, Vencide
With at least one in 2- (2,4- dinitrophenyls are thio) benzothiazole.
Further, described organic acid is capric acid, octanoic acid, butanoic acid, succinic acid, valeric acid, 1,3-propanedicarboxylic acid, acid, adipic acid, heptan
At least one in acid, 2- ethyl acid, n-nonanoic acid, cinnamic acid, lauric acid, phthalic acid, decanedioic acid and P-hydroxybenzoic acid.
Further, described defoamer is silicone defoamer.
Further, described defoamer be byk-017, byk-018, byk-021, byk-022, byk-024, byk-028,
At least one in byk-094, tego foamex 805, tego foamex 810 and tego foamex 822.
A kind of method preparing above-mentioned motor vehicle antifreeze fluid, specifically: stir after polyhydric alcohol, deionized water mixing,
Acrylic acid-acrylic ester-sulfonate terpolymer, polyoxyethylene poly-oxygen propylene aether block copolymerization is added under stirring
Thing, stirs and puts into organic amine, BTA, accelerator, sodium hydroxide, sodium nitrate, inclined silicon after being uniformly dispersed to copolymer again
Sour sodium, organic acid, fluorescein sodium, bright blue pigment and defoamer, pack after stirring.
The invention has the beneficial effects as follows:
It is antifreeze that the motor vehicle antifreeze fluid of the present invention has a winter, summer anti-boiling, annual scale-deposit-preventing, the premium properties such as anticorrosion,
Below -40 DEG C, boiling point, more than 130 DEG C, has good cooling and antifreezing effect to its freezing point.This motor vehicle antifreeze fluid passes through
Strict hot surface aluminum corrosion test, sedimentary quantity in controllable hard water, provide remarkable anticorrosive to cooling system
Protection, does not damage the rubber components such as radiator hose, packing ring, simultaneously moreover it is possible to prevent excessive foam, in other additives
Under synergism, two kinds of copolymer sulfonate can effectively remove scale removal and form the protection of suppression corrosion in metal surface
Layer, prevents due to the calcium and magnesium precipitation caused by hardness of water, thus avoiding forming focus in end and block part, to aluminum, casting
The electromotor common metal material such as ferrum, steel, pyrite, scolding tin, copper all has preferably antiseptic and rustproof and scale-preventing performance, not phosphorous
Hydrochlorate and heavy metal element, are environmentally friendly anti-icing fluid.This motor vehicle antifreeze fluid is applied widely, can be with the second two of all trades mark
Alcohol anti-icing fluid and auxiliary additive compatible it can also be used to the cooling system of all kinds of water-cooled passenger vehicles, pony car and heavy vehicle.
Specific embodiment
With reference to specific embodiment, the present invention is described further:
In following examples, the molecular weight of acrylic acid-acrylic ester used-sulfonate terpolymer is 200～
20000, sulfonic group content is 0.5～5wt%；The molecular weight of polyoxyethylene poly-oxygen propylene aether block copolymer used be 200～
The content of 20000, eo segments is 10～80wt%.
Embodiment 1
Put into 550kg ethylene glycol, 429kg deionized water in the platform tank of 2000l, start agitator stirring 10min, treat
After mix homogeneously, add 1.5kg acrylic acid-acrylic ester-sulfonate terpolymer th-615,3.5kg under stirring
Polyoxyethylene poly-oxygen propylene aether block copolymer pluronic l61, is stirred well to after copolymer is uniformly dispersed, then puts into
8.4kg triethylamine, 1kg BTA, 0.8kg dibenzothiazyl disulfide, 1.2kg sodium hydroxide, 1kg sodium nitrate, 1kg are inclined
Sodium silicate, 2.5kg adipic acid, 0.01kg fluorescein sodium, the bright blue pigment of 0.05kg and 0.04kg defoamer byk-094, have fed intake
Pack after being sufficiently stirred for 1h after finishing, obtain motor vehicle antifreeze fluid.
Embodiment 2
Put into 454kg propylene glycol, 525kg deionized water in the platform tank of 2000l, start agitator stirring 15min, treat
After mix homogeneously, add 3kg acrylic acid-acrylic ester-sulfonate terpolymer xt-613,2kg polyoxy under stirring
Ethylene polyoxypropylene ether block copolymers antarox l64, is stirred well to after copolymer is uniformly dispersed, then puts into 8kg tri- second
Hydramine, 1kg BTA, 1kg2- mercaptobenzothiazoler, 1.2kg sodium hydroxide, 1kg sodium nitrate, 1kg sodium metasilicate,
2.7kg decanedioic acid, 0.02kg fluorescein sodium, the bright blue pigment of 0.05kg and 0.03kg defoamer byk-028, feed intake after finishing fully
Pack after stirring 1.2h, obtain motor vehicle antifreeze fluid.
Embodiment 3
Put into 246kg ethylene glycol, 254kg propylene glycol, 479kg deionized water in the platform tank of 2000l, start agitator
Stirring 20min, to be mixed uniformly after, add 3.8kg acrylic acid-acrylic ester-sulfonate terpolymer under stirring
Xt-241,1.2kg polyoxyethylene poly-oxygen propylene aether block copolymer tergitol l62, is stirred well to copolymer and is uniformly dispersed
Afterwards, then put into 8kgn, n- dimethylethanolamine, 1kg BTA, 1kg2- (2,4- dinitrophenyls are thio) benzothiazole,
1.2kg sodium hydroxide, 1kg sodium nitrate, 1kg sodium metasilicate, 2.66kg lauric acid, 0.01kg fluorescein sodium, 0.08kg turquoise blue
Element and 0.05kg defoamer tego foamex 810, feed intake and pack after being sufficiently stirred for 1.5h after finishing, obtain motor vehicle antifreeze fluid.
Embodiment 4
Put into 20kg ethylene glycol, 380kg propylene glycol, 545.5kg deionized water in the platform tank of 2000l, start stirring
Device stirs 20min, to be mixed uniformly after, add 5.0kg acrylic acid-acrylic ester-sulfonate ternary polymerization under stirring
Thing xt-613,5.0kg polyoxyethylene poly-oxygen propylene aether block copolymer pluronic l62, is stirred well to copolymer dispersion all
After even, then put into 10kgn, n- dimethylethanolamine, 5kg BTA, 5kg2- mercaptobenzothiazole sodium, 5kg hydroxide
Sodium, 5kg sodium nitrate, 5kg sodium metasilicate, 8kg butanoic acid, 0.5kg fluorescein sodium, the bright blue pigment of 0.5kg and 0.5kg defoamer tego
Foamex 822, feeds intake and packs after being sufficiently stirred for 1.5h after finishing, obtain motor vehicle antifreeze fluid.
Embodiment 5
Put into 570kg ethylene glycol, 30kg propylene glycol, 388.485kg deionized water in the platform tank of 2000l, start and stir
Mix device stirring 10min, to be mixed uniformly after, add 1.0kg acrylic acid-acrylic ester-sulfonate ternary under stirring altogether
Polymers th-613,1.0kg polyoxyethylene poly-oxygen propylene aether block copolymer antarox b/848, is stirred well to copolymer and divides
After dissipating uniformly, then put into 5kg triethanolamine, 0.5kg BTA, 0.5kg2- mercaptobenzothiazole sodium, 0.5kg hydroxide
Sodium, 0.5kg sodium nitrate, 0.5kg sodium metasilicate, 2kg cinnamic acid, 0.005kg fluorescein sodium, the bright blue pigment of 0.005kg and
0.005kg defoamer byk-021, feeds intake and packs after being sufficiently stirred for 1h after finishing, obtain motor vehicle antifreeze fluid.
Embodiment 6
Put into 150kg ethylene glycol, 350kg propylene glycol, 467.9kg deionized water in the platform tank of 2000l, start stirring
Device stirs 10min, to be mixed uniformly after, add 3.0kg acrylic acid-acrylic ester-sulfonate ternary polymerization under stirring
Thing aa-amps-hpa, 3.0kg polyoxyethylene poly-oxygen propylene aether block copolymer tergitol l81, is stirred well to copolymer
After being uniformly dispersed, then put into 6kg triethylamine, 2.0kg BTA, 3.0kg2- mercaptobenzothiazoler, 2.5kg sodium hydroxide,
2.5kg sodium nitrate, 3.5kg sodium metasilicate, 6kg succinic acid, 0.1kg fluorescein sodium, the bright blue pigment of 0.2kg and 0.3kg defoamer
Byk-018, feeds intake and packs after being sufficiently stirred for 1h after finishing, obtain motor vehicle antifreeze fluid.
Embodiment 7
Put into 350kg ethylene glycol, 150kg propylene glycol, 469.3kg deionized water in the platform tank of 2000l, stir after mixing
Mix uniformly, add 2.0kg acrylic acid-acrylic ester-sulfonate terpolymer xt-613,2.0kg polyoxy under stirring
Ethylene polyoxypropylene ether block copolymers pluronic p123, stirs after being uniformly dispersed to copolymer, then puts into 8kg tri- ethanol
Amine, 1.0kg BTA, 4.0kg dibenzothiazyl disulfide, 4kg sodium hydroxide, 1.5kg sodium nitrate, 2.5kg metasilicic acid
Sodium, 5kg n-nonanoic acid, 0.2kg fluorescein sodium, the bright blue pigment of 0.4kg and 0.1kg defoamer tego foamex 805, after stirring
Packaging, obtains motor vehicle antifreeze fluid.
Embodiment 8
Put into 250kg ethylene glycol, 250kg propylene glycol, 465.75kg deionized water in the platform tank of 2000l, after mixing
Stir, add 4.0kg acrylic acid-acrylic ester-sulfonate terpolymer th-615,4.0kg to gather under stirring
Oxygen ethylene polyoxypropylene ether block copolymers pluronic f127, stirs after being uniformly dispersed to copolymer, then puts into 8kgn, n-
Dimethylethanolamine, 2.0kg BTA, 1.0kg2- (2,4- dinitrophenyls are thio) benzothiazole, 1kg sodium hydroxide,
4kg sodium nitrate, 3kg sodium metasilicate, 7kg phthalic acid, 0.05kg fluorescein sodium, the bright blue pigment of 0.15kg and 0.05kg defoamer
Byk-022, packs after stirring, obtains motor vehicle antifreeze fluid.
Performance test
, being detected, result is as shown in table 1 to the freezing point of the motor vehicle antifreeze fluid that above-described embodiment 1～8 is made, boiling point:
The freezing point of table 1 motor vehicle antifreeze fluid and boiling point
| Embodiment | Freezing point (DEG C) | Boiling point (DEG C) |
| 1 | -50 | 135 |
| 2 | -53 | 138 |
| 3 | -43 | 133 |
| 4 | -56 | 142 |
| 5 | -60 | 145 |
| 6 | -51 | 144 |
| 7 | -48 | 130 |
| 8 | -42 | 134 |
The motor vehicle antifreeze fluid that above-described embodiment 1～8 is made is carried out with strict hot surface aluminum corrosion astmd 4340 test
Test with anti-scaling property, result is as shown in table 2:
Table 2 motor vehicle antifreeze fluid decay resistance and anti-scaling property test result
| Embodiment | Aluminium flake weight change (g/cm3) | Antiscaling rate (%) |
| 1 | 0.004 | 99.2 |
| 2 | 0.002 | 99.6 |
| 3 | 0.003 | 99.0 |
| 4 | 0.002 | 99.5 |
| 5 | 0.001 | 99.2 |
| 6 | 0.003 | 99.1 |
| 7 | 0.001 | 99.4 |
| 8 | 0.002 | 99.3 |
From Tables 1 and 2, the motor vehicle antifreeze fluid freezing point of embodiment 1～8 below -40 DEG C, boiling point more than 130 DEG C,
, more than 99%, in corrosion-resistant test, aluminium flake weight change is in 0.004g/cm for antiscaling rate3Below it was demonstrated that the automobile of the present invention is prevented
Jelly liquid freezing point is low, boiling point is high, has good resistance to frost and anti-boiling performance；There is good decay resistance and antiscale simultaneously
Performance.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Belong to those skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in, all answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of motor vehicle antifreeze fluid is it is characterised in that according to mass percent, including following components:
Polyhydric alcohol 400.0 ~ 600.0 ‰
Acrylic acid-acrylic ester-sulfonate terpolymer 1.0 ~ 5.0 ‰
Polyoxyethylene poly-oxygen propylene aether block copolymer 1.0 ~ 5.0 ‰
Organic amine 5.0 ~ 10.0 ‰
BTA 0.5 ~ 5.0 ‰
Accelerator 0.5 ~ 5.0 ‰
Sodium hydroxide 0.5 ~ 5.0 ‰
Sodium nitrate 0.5 ~ 5.0 ‰
Sodium metasilicate 0.5 ~ 5.0 ‰
Organic acid 2.0 ~ 8.0 ‰
Fluorescein sodium 0.005 ~ 0.5 ‰
Bright blue pigment 0.005 ~ 0.5 ‰
Defoamer 0.005 ~ 0.5 ‰
Deionized water surplus.
2. motor vehicle antifreeze fluid according to claim 1 is it is characterised in that described polyhydric alcohol is ethylene glycol and/or propylene glycol.
3. motor vehicle antifreeze fluid according to claim 1 it is characterised in that described polyhydric alcohol by 5 ~ 95wt% ethylene glycol and 5
The propylene glycol composition of ~ 95wt%.
4. motor vehicle antifreeze fluid according to claim 1 is it is characterised in that described acrylic acid-acrylic ester-sulfonate ternary
The molecular weight of copolymer is 200 ~ 20000, and sulfonic group content is 0.5 ~ 5wt%.
5. motor vehicle antifreeze fluid according to claim 1 is it is characterised in that described polyoxyethylene poly-oxygen propylene aether block copolymerization
The molecular weight of thing is the content of 200 ~ 20000, eo segment is 10 ~ 80wt%.
6. motor vehicle antifreeze fluid according to claim 1 it is characterised in that described organic amine be triethylamine, triethanolamine and
At least one in n, n- dimethylethanolamine.
7. motor vehicle antifreeze fluid according to claim 1 it is characterised in that described accelerator be 2-mercaptobenzothiazole, two
Dibenzothiazyl disulfide, Vencide and 2-(2,4- dinitrophenyl is thio) at least one in benzothiazole.
8. motor vehicle antifreeze fluid according to claim 1 is it is characterised in that described organic acid is capric acid, octanoic acid, butanoic acid, amber
Amber acid, valeric acid, 1,3-propanedicarboxylic acid, acid, adipic acid, enanthic acid, 2- ethyl acid, n-nonanoic acid, cinnamic acid, lauric acid, phthalic acid, the last of the ten Heavenly stems
At least one in diacid and P-hydroxybenzoic acid.
9. motor vehicle antifreeze fluid according to claim 1 is it is characterised in that described defoamer is silicone defoamer.
10. one kind prepares the method for the motor vehicle antifreeze fluid described in any one of claim 1 ~ 9 it is characterised in that by polyhydric alcohol, going
Stir after ionized water mixing, add acrylic acid-acrylic ester-sulfonate terpolymer, polyoxy second under stirring
Alkene polyoxypropylene ether block copolymers, stir put into again after being uniformly dispersed to copolymer organic amine, BTA, accelerator,
Sodium hydroxide, sodium nitrate, sodium metasilicate, organic acid, fluorescein sodium, bright blue pigment and defoamer, pack after stirring.
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Cited By (1)
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| CN109337656A (en) * | 2018-11-02 | 2019-02-15 | 饶会均 | A kind of automotive antifreezing liquid and preparation method thereof |
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| CN106350028B (en) | 2019-06-14 |
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