CN105860941A - Novel engine coolant corrosion inhibitor formula - Google Patents
Novel engine coolant corrosion inhibitor formula Download PDFInfo
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- CN105860941A CN105860941A CN201610346915.7A CN201610346915A CN105860941A CN 105860941 A CN105860941 A CN 105860941A CN 201610346915 A CN201610346915 A CN 201610346915A CN 105860941 A CN105860941 A CN 105860941A
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- Prior art keywords
- sodium
- coolant
- propylene glycol
- engine coolant
- organic acid
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- 239000002826 coolant Substances 0.000 title claims abstract description 48
- 239000003112 inhibitor Substances 0.000 title claims abstract description 26
- 230000007797 corrosion Effects 0.000 title abstract description 11
- 238000005260 corrosion Methods 0.000 title abstract description 11
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 93
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 25
- 235000019795 sodium metasilicate Nutrition 0.000 claims abstract description 25
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 25
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 150000007524 organic acids Chemical class 0.000 claims abstract description 22
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims abstract description 19
- 235000010344 sodium nitrate Nutrition 0.000 claims abstract description 19
- 239000004317 sodium nitrate Substances 0.000 claims abstract description 19
- 239000003381 stabilizer Substances 0.000 claims abstract description 19
- OTLNPYWUJOZPPA-UHFFFAOYSA-N 4-nitrobenzoic acid Chemical compound OC(=O)C1=CC=C([N+]([O-])=O)C=C1 OTLNPYWUJOZPPA-UHFFFAOYSA-N 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 239000012964 benzotriazole Substances 0.000 claims description 18
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 14
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 13
- 235000010234 sodium benzoate Nutrition 0.000 claims description 13
- 239000004299 sodium benzoate Substances 0.000 claims description 13
- 239000001488 sodium phosphate Substances 0.000 claims description 13
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 13
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 13
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 8
- 229910021538 borax Inorganic materials 0.000 claims description 8
- 239000004328 sodium tetraborate Substances 0.000 claims description 8
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 8
- 235000010288 sodium nitrite Nutrition 0.000 claims description 7
- 235000015393 sodium molybdate Nutrition 0.000 claims description 6
- 239000011684 sodium molybdate Substances 0.000 claims description 6
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims 2
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000009835 boiling Methods 0.000 abstract description 4
- 238000007710 freezing Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 230000008014 freezing Effects 0.000 abstract description 2
- 150000002009 diols Chemical class 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 11
- 239000012530 fluid Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 2
- 150000007942 carboxylates Chemical class 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- -1 organic acid compound Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- 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)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a novel engine coolant corrosion inhibitor formula. The formula comprises 10-40% of propylene glycol, 2-10% of sodium metasilicate, 1-3% of a silicate stabilizing agent, 0.5-2% of p-nitrobenzoic acid, 5-20% of organic acid, 0.2-3% of sodium nitrate, 0.1-0.8% of benzotriazol and 1-3% of accelerant M; propylene glycol is adopted as a base solution for blending coolant, the ice point of the coolant is as low as minus 68 DEG C, the boiling point of the coolant is as high as 187 DEG C, and genuine boiling resistance and freezing resistance are achieved; due to the fact that no water exists, a cooling system runs in the low pressure state, metal corrosion caused by the high pressure is avoided, an oxidizing reaction of diol is blocked, corrosive organic acid cannot be generated, the pH value of the system can be maintained, no or little corrosion inhibitor can be added, the vapor pressure and vapor density of the anhydrous propylene glycol coolant are far below those of hydrous coolant, thus great practical significance is achieved in a heavy-loading cooling system, by means of the coolant prepared through the formula, harm to health of the human body is small, it is helpful to protect the environment, and performance indexes are excellent.
Description
Technical field
The present invention relates to engine cool technical field, be specifically related to a kind of new work engine coolant inhibitor agent prescription.
Background technology
In recent years; along with the fast development of domestic and international auto industry, the highest to the prescription of automobile engine cooling liquid, meanwhile; for environmental conservation and the consideration of mankind itself's factor, some countries and automaker it is also proposed specific requirement to the composition of engine coolant.
[standard has become the countries in the world the most influential standard of engine coolant industry and method with Japanese Industrial Standards JISK2234 " engine antifreeze coolant liquid " for engine coolant product standard that U.S. material is worked out with test association (ASTM), american car Engineering society (SAE) and test method ASTMD3306 " car and light load truck spent glycol h type engine h anti-freeze cooling liquid ".
China's existing engine coolant product standard mainly has two, i.e. petroleum chemical industry standard SH/T0521-1999 " automobile and light load engine spent glycol type coolant " [3] and traffic industry standard JT225-1996 " automobile engine cooling liquid technology for safely applying condition " [4].Wherein, owing to SH/T0521 is substantially adopting by equivalent U.S. ASTMD3306 standard, the quality index of engine cool liquid product having been carried out comprehensive specification, therefore, it is, in above three standard, product quality is required the highest standard.
Water monoethylene glycol (MEG) type coolant is the most frequently used engine coolant.The MEG of current domestic composition coolant main body is that a kind of toxicity is big and the compound of difficult for biological degradation.
Summary of the invention
For problem above, the invention provides a kind of new work engine coolant inhibitor agent prescription, use propylene glycol to allocate base fluid as coolant, there is genuine anti-boiling anti-freezing property；Due to anhydrous existence, cooling system runs in a low voltage state, avoid the high pressure erosion to metal, the oxidation reaction of glycol is blocked, corrosive organic acid would not be produced, the pH value of system is maintained, corrosion inhibiter can add less or be not added with, anhydrous propylene glycol type coolant vapour pressure and vapour density are well below there being water type coolant, this has critically important practical significance in heavy load cooling system, substantially reduce fluid from higher-pressure region to low-pressure area, can effectively solve the problem in background technology.
To achieve these goals, the technical solution used in the present invention is as follows:
The first technical scheme: a kind of new work engine coolant inhibitor agent prescription, this formula includes:
The propylene glycol of 10%-40%, the sodium metasilicate of 2%-10%, the silicate stabilizers of 1%-3%, the Nitrodracylic acid of 0.5%-2%, the organic acid of 5%-20%, the sodium nitrate of 0.2%-3%, the benzotriazole of 0.1%-0.8%, the captax of 1%-3%.
Preferred as the first technical scheme of the present invention, this formula includes:
The propylene glycol of 10%, the sodium metasilicate of 2%, the silicate stabilizers of 1%, the Nitrodracylic acid of 0.5%, the organic acid of 5%, the sodium nitrate of 0.2%, the benzotriazole of 0.1%, the captax of 1%.
The second technical scheme: a kind of new work engine coolant inhibitor agent prescription, it is characterised in that this formula includes:
The propylene glycol of 10%-40%, the sodium metasilicate of 2%-10%, the sodium phosphate of 1%-4%, the sodium nitrate of 3%-10%, the Borax of 10%-15%, the benzotriazole of 1%-2%, the captax of 2%-4%, the triethanolamine of 1%-6%.
Preferred as the second technical scheme of the present invention, this formula includes, the propylene glycol of 10%, the sodium metasilicate of 2%, the sodium phosphate of 1%, the sodium nitrate of 3%, the Borax of 10%, the benzotriazole of 1%, the captax of 2%, the triethanolamine of 1%.
The third technical scheme: a kind of new work engine coolant inhibitor agent prescription, it is characterised in that this formula includes:
The propylene glycol of 10%-40%, the sodium metasilicate of 3%-15%, the sodium nitrite of 1%-3%, the sodium phosphate of 4%-10%, 5%-15d%de sodium benzoate, the sodium molybdate of 1%-3%, 1%-3% captax, the organic acid of 5%-9%.
Preferred as the third technical scheme of the present invention, this formula includes:
The propylene glycol of 10%, the sodium metasilicate of 3%, the sodium nitrite of 1%, the sodium phosphate of 4%, the sodium benzoate of 5%, the sodium molybdate of 1%, 1% captax, the organic acid of 5%.
4th kind of technical scheme: a kind of new work engine coolant inhibitor agent prescription, it is characterised in that this formula includes:
The propylene glycol of 10%-40%, the sodium metasilicate of 4%-8%, the silicate stabilizers of 1%-4%, the sodium nitrate of 2%-7%, the sodium benzoate of 1%-3%, the benzotriazole of 1%-2%, the captax of 1%-3%, the organic acid of 10%-20%.
Preferred as the 4th kind of technical scheme of the present invention, this formula includes:
The propylene glycol of 10%, the sodium metasilicate of 4%, the silicate stabilizers of 1%, the sodium nitrate of 2%, the sodium benzoate of 1%, the benzotriazole of 1%, the captax of 1%, the organic acid of 10%.
Beneficial effects of the present invention:
(1) present invention uses propylene glycol to allocate base fluid as coolant, and coolant freezing point is low reaches one 68 DEG C, and boils up till 187 DEG C has genuine anti-boiling anti-freezing property；Due to anhydrous existence, cooling system runs in a low voltage state, avoid the high pressure erosion to metal, the oxidation reaction of glycol is blocked, corrosive organic acid would not be produced, the pH value of system is maintained, corrosion inhibiter can add less or be not added with, anhydrous propylene glycol type coolant vapour pressure and vapour density are well below there being water type coolant, this has critically important practical significance in heavy load cooling system, substantially reduce fluid from higher-pressure region to low-pressure area, cavitate to the ultrasound wave shake that the cavitation erosion occurred the flow process of high-temperature region and the operating of electromotor heavy load are lower from low-temperature space, the most anhydrous MGP type coolant still has enough anti-cavitation abilities in the case of not using nitrite, possesses the performance characteristic of heavy load coolant.
(2) present invention uses coolant prepared by above-mentioned formula, little to human health damage, environmentally friendly protection, and performance indications are excellent.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment
1
A kind of new work engine coolant inhibitor agent prescription, this formula includes:
The propylene glycol of 10%, the sodium metasilicate of 2%, the silicate stabilizers of 1%, the Nitrodracylic acid of 0.5%, the organic acid of 5%, the sodium nitrate of 0.2%, the benzotriazole of 0.1%, the captax of 1%.
Embodiment
2
A kind of new work engine coolant inhibitor agent prescription, this formula includes:
The propylene glycol of 40%, the sodium metasilicate of 10%, the silicate stabilizers of 3%, the Nitrodracylic acid of 2%, the organic acid of 20%, the sodium nitrate of 3%, the benzotriazole of 0.8%, the captax of 3%.
Embodiment
3
A kind of new work engine coolant inhibitor agent prescription, this formula includes:
The propylene glycol of 10%, the sodium metasilicate of 2%, the sodium phosphate of 1%, the sodium nitrate of 3%, the Borax of 10%, the benzotriazole of 1%, the captax of 2%, the triethanolamine of 1%.
Embodiment
4
A kind of new work engine coolant inhibitor agent prescription, this formula includes:
The propylene glycol of 40%, the sodium metasilicate of 10%, the sodium phosphate of 4%, the sodium nitrate of 10%, the Borax of 15%, the benzotriazole of 2%, the captax of 4%, the triethanolamine of 6%.
Embodiment
5
:
A kind of new work engine coolant inhibitor agent prescription, this formula includes:
The propylene glycol of 10%, the sodium metasilicate of 3%, the sodium nitrite of 1%, the sodium phosphate of 4%, the sodium benzoate of 5%, the sodium molybdate of 1%, 1% captax, the organic acid of 5%.
Embodiment
6
A kind of new work engine coolant inhibitor agent prescription, this formula includes:
The propylene glycol of 40%, the sodium metasilicate of 15%, the sodium nitrite of 3%, the sodium phosphate of 10%, the sodium benzoate of 15%, the sodium molybdate of 3%, 3% captax, the organic acid of 9%.
Embodiment
7
A kind of new work engine coolant inhibitor agent prescription, this formula includes:
The propylene glycol of 10%, the sodium metasilicate of 4%, the silicate stabilizers of 1%, the sodium nitrate of 2%, the sodium benzoate of 1%, the benzotriazole of 1%, the captax of 1%, the organic acid of 10%.
Embodiment
8
A kind of new work engine coolant inhibitor agent prescription, this formula includes:
The propylene glycol of 40%, the sodium metasilicate of 8%, the silicate stabilizers of 4%, the sodium nitrate of 7%, the sodium benzoate of 3%, the benzotriazole of 2%, the captax of 3%, the organic acid of 20%.
Concrete, the contrast of four kinds of formula of the present invention is as follows:
Formula (1): the materials such as the most phosphorous, boron, nitrite, triethanolamine, uses Nitrodracylic acid to add organic carboxylate and compounds with inorganic inhibitor, the most excellent to various corrosion inhibition for metal performances.
Formula (2) employs the corrosion inhibiter such as common phosphate, Borax, triethanolamine, and indices is the most up to standard, but 1. cast iron, cast aluminium and scolding tin index are higher than formula, and the corrosion inhibiter such as phosphate, Borax non-best choice are described.
Formula (3) uses the inorganic inhibitor such as sodium nitrite, sodium phosphate and organic carboxylate to compound, and finds that scolding tin, cast aluminium index are fine, but cast iron index exceeds standard, and illustrates that nitrite, phosphate and organic acid compound combination property bad.
Formula (4) and formula difference 1. are to replace Nitrodracylic acid with sodium benzoate, found that scolding tin index exceeding standard, illustrate that Nitrodracylic acid corrosion inhibition is the most excellent, and the most excellent with other corrosion inhibiter compound property.
The test of silicate stability:
Affecting the performance of its antiseptic property owing to the silicate in silicate-type anti-icing fluid is easier gel precipitation under certain condition, in order to overcome this shortcoming, this product employs silicate stabilizers.
Based on formula (1), do one group of contrast test: one group adds silicate stabilizers, and another group is not added with, heat storage in 65 DEG C of baking ovens (the heat storage of a day is about as much as and at room temperature stores 1 month), test finds, adds one group of silicate stabilizers after 24d without gel precipitation;And be i.e. found to have obvious gel after being not added with one group of 6d of silicate stabilizers and separate out.
This test shows: the silicate stabilizers that this product uses solves silicate instability problem well, it is true that the anti-icing fluid of silicate stabilizer is after laboratory physical holding of the stock in more than 2 years, the most as clear as crystal, does not has precipitate or gel to separate out.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (8)
1. a new work engine coolant inhibitor agent prescription, it is characterised in that this formula includes:
The propylene glycol of 10%-40%, the sodium metasilicate of 2%-10%, the silicate stabilizers of 1%-3%, the Nitrodracylic acid of 0.5%-2%, the organic acid of 5%-20%, the sodium nitrate of 0.2%-3%, the benzotriazole of 0.1%-0.8%, the captax of 1%-3%.
A kind of new work engine coolant inhibitor agent prescription the most according to claim 1, it is characterised in that this formula includes:
The propylene glycol of 10%, the sodium metasilicate of 2%, the silicate stabilizers of 1%, the Nitrodracylic acid of 0.5%, the organic acid of 5%, the sodium nitrate of 0.2%, the benzotriazole of 0.1%, the captax of 1%.
3. a new work engine coolant inhibitor agent prescription, it is characterised in that this formula includes:
The propylene glycol of 10%-40%, the sodium metasilicate of 2%-10%, the sodium phosphate of 1%-4%, the sodium nitrate of 3%-10%, the Borax of 10%-15%, the benzotriazole of 1%-2%, the captax of 2%-4%, the triethanolamine of 1%-6%.
A kind of new work engine coolant inhibitor agent prescription the most according to claim 3, it is characterised in that this formula includes:
The propylene glycol of 10%, the sodium metasilicate of 2%, the sodium phosphate of 1%, the sodium nitrate of 3%, the Borax of 10%, the benzotriazole of 1%, the captax of 2%, the triethanolamine of 1%.
5. a new work engine coolant inhibitor agent prescription, it is characterised in that this formula includes:
The propylene glycol of 10%-40%, the sodium metasilicate of 3%-15%, the sodium nitrite of 1%-3%, the sodium phosphate of 4%-10%, 5%-15d%de sodium benzoate, the sodium molybdate of 1%-3%, 1%-3% captax, the organic acid of 5%-9%.
A kind of high-strength energy-saving environmental protection type water reducer the most according to claim 5, it is characterised in that this formula includes:
The propylene glycol of 10%, the sodium metasilicate of 3%, the sodium nitrite of 1%, the sodium phosphate of 4%, the sodium benzoate of 5%, the sodium molybdate of 1%, 1% captax, the organic acid of 5%.
7. a new work engine coolant inhibitor agent prescription, it is characterised in that this formula includes:
The propylene glycol of 10%-40%, the sodium metasilicate of 4%-8%, the silicate stabilizers of 1%-4%, the sodium nitrate of 2%-7%, the sodium benzoate of 1%-3%, the benzotriazole of 1%-2%, the captax of 1%-3%, the organic acid of 10%-20%.
A kind of high-strength energy-saving environmental protection type water reducer the most according to claim 7, it is characterised in that this formula includes:
The propylene glycol of 10%, the sodium metasilicate of 4%, the silicate stabilizers of 1%, the sodium nitrate of 2%, the sodium benzoate of 1%, the benzotriazole of 1%, the captax of 1%, the organic acid of 10%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346915.7A CN105860941A (en) | 2016-05-24 | 2016-05-24 | Novel engine coolant corrosion inhibitor formula |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610346915.7A CN105860941A (en) | 2016-05-24 | 2016-05-24 | Novel engine coolant corrosion inhibitor formula |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629766A (en) * | 2017-11-02 | 2018-01-26 | 北京百思特石油化工有限公司 | A kind of anhydrous essential oil coolant |
| CN112812756A (en) * | 2020-12-31 | 2021-05-18 | 兰洋(宁波)科技有限公司 | Low-oiliness cooling liquid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102363725A (en) * | 2010-12-14 | 2012-02-29 | 深圳车仆汽车用品发展有限公司 | Organic-inorganic composite type engine coolant |
| CN103666403A (en) * | 2013-12-02 | 2014-03-26 | 青岛康普顿科技股份有限公司 | Vehicle engine cooling liquid |
| CN104419385A (en) * | 2013-09-10 | 2015-03-18 | 中国石油化工股份有限公司 | Cooling liquid for heavy-duty engine and preparation method of cooling liquid |
| CN105505336A (en) * | 2015-12-28 | 2016-04-20 | 青岛文晟汽车零部件有限公司 | Water-free cooling liquid for automobile engine |
-
2016
- 2016-05-24 CN CN201610346915.7A patent/CN105860941A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363725A (en) * | 2010-12-14 | 2012-02-29 | 深圳车仆汽车用品发展有限公司 | Organic-inorganic composite type engine coolant |
| CN104419385A (en) * | 2013-09-10 | 2015-03-18 | 中国石油化工股份有限公司 | Cooling liquid for heavy-duty engine and preparation method of cooling liquid |
| CN103666403A (en) * | 2013-12-02 | 2014-03-26 | 青岛康普顿科技股份有限公司 | Vehicle engine cooling liquid |
| CN105505336A (en) * | 2015-12-28 | 2016-04-20 | 青岛文晟汽车零部件有限公司 | Water-free cooling liquid for automobile engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629766A (en) * | 2017-11-02 | 2018-01-26 | 北京百思特石油化工有限公司 | A kind of anhydrous essential oil coolant |
| CN112812756A (en) * | 2020-12-31 | 2021-05-18 | 兰洋(宁波)科技有限公司 | Low-oiliness cooling liquid |
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Application publication date: 20160817 |