CN105647487B - Engine coolant and preparation method thereof - Google Patents
Engine coolant and preparation method thereof Download PDFInfo
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- CN105647487B CN105647487B CN201610076656.0A CN201610076656A CN105647487B CN 105647487 B CN105647487 B CN 105647487B CN 201610076656 A CN201610076656 A CN 201610076656A CN 105647487 B CN105647487 B CN 105647487B
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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
Abstract
The invention discloses a kind of engine coolants and preparation method thereof.The engine coolant is made of the raw material of following weight parts：500-700 parts of water, 40-60 parts of sodium formate, 5-15 parts of borax, 0.2-1.5 parts of potassium molybdate, 0.5-1.5 parts of suberic acid, 1-10 parts of sodium caprate, 0.5-1.5 parts of sodium nitrate, 0.5-1.5 parts of benzotriazole, 1-3 parts of sodium hydroxide, 1-3 parts of non-hydrate sodium metasilicate, 200-400 parts of 1,2- propylene glycol, 50-100 parts of glycerine, 0.001-0.008 parts of fluorescein sodium, 0.01-0.08 parts of dimethicone, 0.05-0.15 parts of lanthanum chloride, 0.05-0.15 parts of chelating agent, 0.1-0.5 parts of silicate stabilizers.Stability of the present invention is high, do not block pipeline, and antifreeze, antirust, scaling property are high, the corrosion to ferrous metal, tin, copper and copper alloy, aluminium and aluminium alloy can be effectively prevented, and overcome tradition containing the technological deficiency of " boiling " easy existing for water coolant, be conducive to engine to run under fully loaded, high load capacity, can ensure that vehicle drives safely in adverse circumstances such as plateau, desert, colds, be particularly suitable for military vehicle, high-end vehicles and high-power heavy load lorry and car.
Description
Technical field：
The present invention relates to a kind of engine coolants, and in particular to a kind of engine coolant and preparation method thereof.
Background technology：
Coolant liquid, also known as anti-icing fluid, anti frozen liquid, water tank treasured etc..Major function is that protection engine is normally well run,
Cycle in engine water tank plays antifreeze, anti-boiling, antirust, anticorrosion and other effects, and the color of most anti-icing fluid is red or green
Color, to see whether to reveal, or other liquid phase zones are other with engine, avoid confusion.
Engine coolant, common is exactly Glycol Mixture, this is basis.Due to the requirement of Hyundai Motor technique,
Many additives are added in coolant liquid, to protect miscellaneous engine.The difference of these additives, leads to coolant liquid
It is different.
Coolant liquid is mainly used in car engine cooling system, has the works such as cooling, antifreeze, antiscale, anti-corrosion, anti-boiling
With.Coolant liquid is mainly made of antifreezing agent, water, corrosion inhibiter, antifoaming agent, coloring agent etc..The key technology of coolant liquid is various slow
Lose the reasonable interworking of the additives such as agent and antifoaming agent.The comprehensive performance of existing cooling liquid product is still not ideal enough.
The present invention provides a kind of engine coolants, have good inhibition to make the metalwork of engine-cooling system
With formulation stability is good, has long-acting inhibition corrosive power.
Invention content：
For deficiencies of the prior art, the first technical problem to be solved by the present invention is to provide one kind and starts
Machine coolant liquid.
The first technical problem to be solved by the present invention is to provide the preparation method of above-mentioned engine coolant.
The technical problem of the present invention, is achieved by following technical proposals：
A kind of engine coolant is made of the raw material of following weight parts：500-700 parts of water, 40-60 parts of sodium formate, boron
5-15 parts of sand, 0.2-1.5 parts of potassium molybdate, 0.5-1.5 parts of suberic acid, 1-10 parts of sodium caprate, 0.5-1.5 parts of sodium nitrate, benzotriazole
0.5-1.5 parts, 1-3 parts of sodium hydroxide, 1-3 parts of non-hydrate sodium metasilicate, 200-400 parts of 1,2- propylene glycol, 50-100 parts of glycerine,
0.001-0.008 parts of fluorescein sodium, 0.01-0.08 parts of dimethicone, 0.05-0.15 parts of lanthanum chloride, chelating agent 0.05-0.15
Part, 0.1-0.5 parts of silicate stabilizers.
Preferably, the chelating agent is ethylenediamine tetra-acetic acid and/or diethylene triamine pentacetic acid (DTPA).
It is highly preferred that the chelating agent is by five second of 40-60wt% ethylenediamine tetra-acetic acids and 40-60wt% diethylenetriamines
Acid.
Preferably, the silicate stabilizers are mixture one or more in mannitol, sorbierite, xylitol.
It is highly preferred that the silicate stabilizers are mixed by mannitol, sorbierite, xylitol, the mannitol,
Sorbierite, xylitol mass ratio be (1-3)：(1-3)：(1-3).
The present invention also provides the preparation methods of above-mentioned engine coolant, include the following steps：
(1) sodium formate, borax, potassium molybdate, suberic acid, sodium caprate, sodium nitrate, benzotriazole, sodium hydroxide are added to the water,
Then silicate stabilizers stirring and dissolving is added in stirring and dissolving, be uniformly mixed, obtain solution A；
(2) non-hydrate sodium metasilicate is added to the water, stirring and dissolving, is added in solution A after mixing, obtains solution B；
(3) lanthanum chloride is added to the water, stirring and dissolving, 1,2-PD is added, glycerine is uniformly mixed, addition chela
Mixture is uniformly mixed, and is added fluorescein sodium, is added in solution B after dimethicone is uniformly mixed, is stirred
Uniformly.
Specifically, in the present invention：
Sodium formate, No. CAS：141-53-7.
Borax, No. CAS：1303-96-4.
Potassium molybdate, No. CAS：13446-49-6.
Suberic acid, No. CAS：505-48-6.
Sodium nitrate, No. CAS：7631-99-4.
Benzotriazole, No. CAS：95-14-7.
Sodium hydroxide, No. CAS：1310-73-2.
Non-hydrate sodium metasilicate, No. CAS：13517-24-3.
1,2- propylene glycol, No. CAS：57-55-6.
Glycerine, No. CAS：56-81-5.
Fluorescein sodium, No. CAS：518-47-8.
Dimethicone, No. CAS：63148-62-9.
Lanthanum chloride, No. CAS：10099-58-8.
Ethylenediamine tetra-acetic acid, No. CAS：60-00-4.
Diethylene triamine pentacetic acid (DTPA), No. CAS：67-43-6.
Sodium caprate, No. CAS：1002-62-6.
Mannitol, No. CAS：69-65-8.
Sorbierite, No. CAS：50-70-4.
Xylitol, No. CAS：16277-71-7.
The non-aqueous coolant for engine of the present invention, stability is high, does not block pipeline, and antifreeze, antirust, scaling property
Height can be effectively prevented the corrosion to ferrous metal, tin, copper and copper alloy, aluminium and aluminium alloy, and tradition is overcome to contain water coolant
The technological deficiency of existing easily " boiling ", is conducive to engine and is run under fully loaded, high load capacity, can ensure that vehicle in plateau, sand
The adverse circumstances such as desert, cold drive safely, and are particularly suitable for military vehicle, high-end vehicles and high-power heavy load lorry and visitor
Vehicle.
Specific implementation mode：
With reference to embodiment, the present invention is described further, as described below, is only the preferable implementation to the present invention
Example, not limits the present invention, any person skilled in the art is possibly also with the disclosure above
Technology contents be changed to the equivalent embodiment changed on an equal basis.Without departing from the concept of the present invention, according to the present invention
Technical spirit any simple modification that following embodiment is made or equivalent variations, all fall in protection scope of the present invention.
Embodiment 1
Engine coolant raw material：Water 6000g, sodium formate 500g, borax 100g, potassium molybdate 6g, suberic acid 10g, capric acid
Sodium 50g, sodium nitrate 10g, benzotriazole 10g, sodium hydroxide 20g, non-hydrate sodium metasilicate 20g, 1,2- propylene glycol 3000g, glycerine
700g, fluorescein sodium 0.03g, dimethicone 0.2g, lanthanum chloride 1g, chelating agent 1g, silicate stabilizers 3g.
The chelating agent is uniformly mixed to obtain by 0.5g ethylenediamine tetra-acetic acids and 0.5g diethylene triamine pentacetic acid (DTPA)s.
The silicate stabilizers are uniformly mixed to obtain by 1g mannitol, 1g sorbierites, 1g xylitols.
The preparation method of engine coolant, includes the following steps：
(1) by 500g sodium formates, 100g boraxs, 6g potassium molybdates, 10g suberic acids, 50g sodium caprates, 10g sodium nitrate, 10g benzene
Triazole, 20g sodium hydroxides are added in 5000g water, stirring and dissolving, and 3g silicate stabilizers stirring and dissolvings are then added, and mixing is equal
It is even, obtain solution A；
(2) 20g non-hydrate sodium metasilicates are added in 800g water, stirring and dissolving is added to step (1) and obtains after mixing
Solution A in, obtain solution B；
(3) 1g lanthanum chlorides are added in 200g water, stirring and dissolving, 3000g1,2- propylene glycol, the stirring of 700g glycerine is added
It is uniformly mixed, 1g chelating agents is added and are uniformly mixed, add 0.03g fluorescein sodiums, 0.2g dimethicones are stirred
Uniformly, solution C is obtained, solution C is added in the solution B that step (2) obtains, is uniformly mixed.Obtain the hair of embodiment 1
Motivation coolant liquid.
Embodiment 2
It is substantially the same manner as Example 1, it differs only in：The chelating agent is only 1g ethylenediamine tetra-acetic acids.Obtain reality
Apply the engine coolant of example 2.
Embodiment 3
It is substantially the same manner as Example 1, it differs only in：The chelating agent is only 1g diethylene triamine pentacetic acid (DTPA)s.?
To the engine coolant of embodiment 3.
Embodiment 4
It is substantially the same manner as Example 1, it differs only in：The silicate stabilizers are by 1.5g mannitol, the mountains 1.5g
Pears alcohol is uniformly mixed to obtain.Obtain the engine coolant of embodiment 4.
Embodiment 5
It is substantially the same manner as Example 1, it differs only in：The silicate stabilizers are by 1.5g mannitol, 1.5g wood
Sugar alcohol is uniformly mixed to obtain.Obtain the engine coolant of embodiment 5.
Embodiment 6
It is substantially the same manner as Example 1, it differs only in：The silicate stabilizers are by 1.5g sorbierites, 1.5g wood
Sugar alcohol is uniformly mixed to obtain.Obtain the engine coolant of embodiment 6.
Test case 1
The engine coolant of embodiment 1-6 is tested for the property.
(1) freezing point is tested
Each 85ml of engine coolant of Example 1-6 injects in the cooling tube with agitating device, makes examination with refrigerant
Sample cools down, record sample temperature per minute, and makes time-temperature curve figure.The intersection point of cooling curve and crystallization curve exists
Subpoint on the longitudinal axis is to get to the freezing point of the sample；If there is surfusion, temperature recovery institute after sample supercooling in sample
The maximum temperature reached is denoted as the freezing point of the sample.Test result is as follows shown in table 1.
(2) corrosion resistance
According to SH/T 0085-1999 standards, the engine coolant of embodiment 1-6 is subjected to corrosive nature test, specifically
Step is：By the copper sheet (GB5231T2 copper) of 50 millimeters × 25 millimeters × 2.5 millimeters of size, solder sheet (Theil indices 29-30
Weight %, surplus are lead), latten(-tin) (GB 5232H70 copper), steel disc (GB 69920# steel), cast iron piece (carbon content 3-3.2
Weight %, silicone content are 1.8-2.2 weight %, and manganese content is 0.6-0.9 weight %, phosphorus content < 0.3 weight %, sulfur content <
0.12 weight %, surplus are iron) and cast aluminium piece (silicone content is 5.5-6.5 weight %, and copper content is 3.0-4.0 weight %, and iron contains
< 0.8 weight % of 1.2 weight %, manganese content < are measured, content of magnesium is 0.5 weight % of 0.1-0.5 weight %, nickel content <, and zinc contains
< 0.25 weight % of 1.0 weight %, Ti content < are measured, surplus is aluminium) it is separately immersed in engine coolant, at 88 DEG C not
It is open close enter air, the flow of air is 100 ml/mins, and experimental period is 336 hours, after experiment, detects 6 kinds respectively
The weight change of sheet metal, as a result as shown in table 1 below.
(annotation："-" indicates that weight is reduced, and "+" indicates that weight increases)
Comparing embodiment 1 and embodiment 2-3, embodiment 1 (ethylenediamine tetra-acetic acid and diethylene triamine pentacetic acid (DTPA) compounding) hair
Motivation coolant liquid corrosion resistance is substantially better than embodiment 2-3 (single originals in ethylenediamine tetra-acetic acid and diethylene triamine pentacetic acid (DTPA)
Material)；Comparing embodiment 1 and embodiment 4-6, embodiment 1 (mannitol, sorbierite, xylitol compounding) anti-corruption of engine coolant
Corrosion can be substantially better than embodiment 4-6 (both arbitrary compounding in mannitol, sorbierite, xylitol).
Claims (2)
1. a kind of engine coolant, which is characterized in that be made of the raw material of following weight parts：500-700 parts of water, sodium formate
40-60 parts, 5-15 parts of borax, 0.2-1.5 parts of potassium molybdate, 0.5-1.5 parts of suberic acid, 1-10 parts of sodium caprate, sodium nitrate 0.5-1.5
Part, 0.5-1.5 parts of benzotriazole, 1-3 parts of sodium hydroxide, 1-3 parts of non-hydrate sodium metasilicate, 200-400 parts of 1,2- propylene glycol, glycerine
50-100 parts, 0.001-0.008 parts of fluorescein sodium, 0.01-0.08 parts of dimethicone, 0.05-0.15 parts of lanthanum chloride, chelating agent
0.05-0.15 parts, 0.1-0.5 parts of silicate stabilizers；The chelating agent is by 40-60wt% ethylenediamine tetra-acetic acids and 40-
60wt% diethylene triamine pentacetic acid (DTPA)s form；The silicate stabilizers are mixed by mannitol, sorbierite, xylitol,
The mannitol, sorbierite, xylitol mass ratio be (1-3)：(1-3)：(1-3).
2. the preparation method of engine coolant as described in claim 1, which is characterized in that include the following steps：
(1) sodium formate, borax, potassium molybdate, suberic acid, sodium caprate, sodium nitrate, benzotriazole, sodium hydroxide are added to the water, are stirred
Then silicate stabilizers stirring and dissolving is added in dissolving, be uniformly mixed, obtain solution A；
(2) non-hydrate sodium metasilicate is added to the water, stirring and dissolving, is added in solution A after mixing, obtains solution B；
(3) lanthanum chloride is added to the water, stirring and dissolving, 1,2-PD is added, glycerine is uniformly mixed, addition chelating agent
It is uniformly mixed, adds fluorescein sodium, is added in solution B after dimethicone is uniformly mixed, be uniformly mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076656.0A CN105647487B (en) | 2016-02-03 | 2016-02-03 | Engine coolant and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076656.0A CN105647487B (en) | 2016-02-03 | 2016-02-03 | Engine coolant and preparation method thereof |
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| CN105647487B true CN105647487B (en) | 2018-11-02 |
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| CN108865083A (en) * | 2018-07-20 | 2018-11-23 | 芜湖清柏白露智能信息科技有限公司 | A kind of glycerinated anti-icing fluid of packet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698793A (en) * | 2008-10-15 | 2010-04-28 | 上海港申化工有限公司 | automobile antifreeze |
| CN103803719A (en) * | 2012-11-13 | 2014-05-21 | 李兰 | Ternary compound anti-scaling agent |
| CN103842465A (en) * | 2011-09-23 | 2014-06-04 | 极东制研工业(株) | Composition for antifreeze liquid or coolant having superior cavitation erosion and gap corrosion-resistance effect |
| CN104762067A (en) * | 2015-05-04 | 2015-07-08 | 宁波保税区韬鸿化工科技有限公司 | Engine non-aqueous cooling liquid |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6984339B2 (en) * | 2003-02-28 | 2006-01-10 | Apex Materials Corporation | Antifreeze composition |
| US20110001083A1 (en) * | 2009-07-02 | 2011-01-06 | Clearwater International, Llc | Environmentally benign water scale inhibitor compositions and method for making and using same |
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- 2016-02-03 CN CN201610076656.0A patent/CN105647487B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698793A (en) * | 2008-10-15 | 2010-04-28 | 上海港申化工有限公司 | automobile antifreeze |
| CN103842465A (en) * | 2011-09-23 | 2014-06-04 | 极东制研工业(株) | Composition for antifreeze liquid or coolant having superior cavitation erosion and gap corrosion-resistance effect |
| CN103803719A (en) * | 2012-11-13 | 2014-05-21 | 李兰 | Ternary compound anti-scaling agent |
| CN104762067A (en) * | 2015-05-04 | 2015-07-08 | 宁波保税区韬鸿化工科技有限公司 | Engine non-aqueous cooling liquid |
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Effective date of registration: 20190701 Address after: 315000 No. 1266 Juxian Road, Ningbo High-tech Zone, Zhejiang Province Patentee after: NINGBO JUNSHENG QUNYING AUTOMOBILE SYSTEM Co.,Ltd. Address before: 315100 room 1, 1 18 Xingye two, Ningbo bonded area, Zhejiang, China Patentee before: NINGBO FREE TRADE ZONE TAOHONG CHEMICAL TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20181102 Termination date: 20220203 |