CN114605968A - Engine coolant and application thereof - Google Patents
Engine coolant and application thereof Download PDFInfo
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- CN114605968A CN114605968A CN202011407517.4A CN202011407517A CN114605968A CN 114605968 A CN114605968 A CN 114605968A CN 202011407517 A CN202011407517 A CN 202011407517A CN 114605968 A CN114605968 A CN 114605968A
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- Prior art keywords
- engine coolant
- imidazoline
- parts
- peptide
- corrosion inhibitor
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- 239000002826 coolant Substances 0.000 title claims description 32
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 51
- 108090000765 processed proteins & peptides Proteins 0.000 claims abstract description 38
- 230000007797 corrosion Effects 0.000 claims abstract description 25
- 238000005260 corrosion Methods 0.000 claims abstract description 25
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003112 inhibitor Substances 0.000 claims abstract description 17
- 239000008367 deionised water Substances 0.000 claims abstract description 15
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 3
- 238000002317 scanning near-field acoustic microscopy Methods 0.000 claims description 18
- -1 carboxymethyl sodium imidazoline acetate Chemical compound 0.000 claims description 17
- 229920013818 hydroxypropyl guar gum Polymers 0.000 claims description 17
- RWSXRVCMGQZWBV-WDSKDSINSA-N glutathione Chemical compound OC(=O)[C@@H](N)CCC(=O)N[C@@H](CS)C(=O)NCC(O)=O RWSXRVCMGQZWBV-WDSKDSINSA-N 0.000 claims description 16
- 229920003169 water-soluble polymer Polymers 0.000 claims description 16
- 125000002091 cationic group Chemical group 0.000 claims description 15
- 235000018102 proteins Nutrition 0.000 claims description 15
- 108090000623 proteins and genes Proteins 0.000 claims description 15
- 102000004169 proteins and genes Human genes 0.000 claims description 15
- 241000382353 Pupa Species 0.000 claims description 11
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims description 8
- 108010024636 Glutathione Proteins 0.000 claims description 8
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 claims description 8
- 229960003237 betaine Drugs 0.000 claims description 8
- 229960003180 glutathione Drugs 0.000 claims description 8
- 239000001488 sodium phosphate Substances 0.000 claims description 8
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 8
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 8
- 108010076119 Caseins Proteins 0.000 claims description 6
- 229920002907 Guar gum Polymers 0.000 claims description 6
- 108010001441 Phosphopeptides Proteins 0.000 claims description 6
- 239000005018 casein Substances 0.000 claims description 6
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims description 6
- 235000021240 caseins Nutrition 0.000 claims description 6
- 239000000665 guar gum Substances 0.000 claims description 6
- 229960002154 guar gum Drugs 0.000 claims description 6
- 235000010417 guar gum Nutrition 0.000 claims description 6
- BOPLCZXLCSOWEZ-UHFFFAOYSA-M C(C)(=O)[O-].C(=O)(O)CN1C=NCC1.[Na+] Chemical compound C(C)(=O)[O-].C(=O)(O)CN1C=NCC1.[Na+] BOPLCZXLCSOWEZ-UHFFFAOYSA-M 0.000 claims description 2
- 244000007835 Cyamopsis tetragonoloba Species 0.000 claims 3
- 102000004196 processed proteins & peptides Human genes 0.000 claims 2
- 230000019617 pupation Effects 0.000 claims 2
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 claims 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims 1
- 239000000110 cooling liquid Substances 0.000 abstract description 13
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007710 freezing Methods 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract 1
- KPGXRSRHYNQIFN-UHFFFAOYSA-N 2-oxoglutaric acid Chemical compound OC(=O)CCC(=O)C(O)=O KPGXRSRHYNQIFN-UHFFFAOYSA-N 0.000 description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 9
- 229910052708 sodium Inorganic materials 0.000 description 9
- 239000011734 sodium Substances 0.000 description 9
- ZXKREJWOZYLSOV-KTKRTIGZSA-N (Z)-2-(2-hydroxyethyl)octadec-9-enoic acid Chemical compound OCCC(C(=O)O)CCCCCC\C=C/CCCCCCCC ZXKREJWOZYLSOV-KTKRTIGZSA-N 0.000 description 7
- 230000005764 inhibitory process Effects 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- LPACOIYUHWTVAZ-UHFFFAOYSA-N acetic acid 2-(4,5-dihydroimidazol-1-yl)acetic acid Chemical compound C(C)(=O)O.C(=O)(O)CN1C=NCC1 LPACOIYUHWTVAZ-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 231100000053 low toxicity Toxicity 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 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 belongs to the technical field of engine cooling liquid, and particularly relates to engine cooling liquid and application thereof, wherein the engine cooling liquid comprises the following components in percentage by weight: 30-50% of propylene glycol, 1-5% of organic carboxylic acid, 3-9% of corrosion inhibitor, 0.1-1% of defoaming agent and the balance of deionized water; wherein the corrosion inhibitor is a composition of an imidazoline corrosion inhibitor and a peptide compound. The engine cooling liquid disclosed by the invention adopts environment-friendly raw material components, has good anti-freezing, heat-dissipating and defoaming effects, and can effectively prevent a motorcycle cooling system from generating a metal corrosion phenomenon.
Description
Technical Field
The invention belongs to the technical field of engine cooling liquid, and particularly relates to engine cooling liquid and application thereof.
Background
The environment-friendly engine coolant special for the motorcycle is used for a water-cooling motorcycle engine cooling system, is used as a heat transfer medium of the motorcycle water cooling system, conducts heat of an engine, and keeps the temperature of the engine within a proper temperature range.
The water cooling motorcycle is mainly a motorcycle with the discharge capacity of more than 150CC, the components of a cooling system of the water cooling motorcycle mainly comprise a water tank, a water pump, a temperature control system, a fan and the like, the related metal materials comprise aluminum, copper, steel, soldering tin and the like, and the requirements on cooling liquid mainly comprise freezing prevention, rust prevention, heat dissipation, low toxicity and the like.
Disclosure of Invention
The invention aims to provide the engine coolant which is environment-friendly, low in toxicity and good in anti-freezing, defoaming and corrosion inhibition effects. The engine coolant adopts the propylene glycol and the low-toxicity additive, so that the environmental pollution and the damage to coolant replacement personnel can be reduced. By utilizing the synergistic effect of the corrosion inhibitor and adopting different corrosion inhibitor compounding technologies, the corrosion inhibitor has good protection effect on metals, can ensure the normal operation of a motorcycle cooling system, and prolongs the service life of the system.
Specifically, the invention provides the following technical scheme:
an engine coolant comprises the following components in percentage by weight:
wherein the corrosion inhibitor is a composition of an imidazoline corrosion inhibitor and a peptide compound.
The propylene glycol is an antifreezing agent, can effectively lower the freezing point, and prevents the liquid from freezing at a low temperature.
Preferably, the engine coolant comprises the following components in percentage by weight:
preferably, in the engine coolant, the mass ratio of the imidazoline corrosion inhibitor to the peptide compound is 2: 1-3: 1. The imidazoline corrosion inhibitor has a metal corrosion inhibition effect, can prevent metal in a water cooling system from rusting, has a good synergistic effect by being matched with a peptide compound, can strengthen the metal corrosion inhibition effect of a formula, and has an excellent corrosion inhibition effect on metal in a proper proportion.
Preferably, in the engine coolant, the imidazoline-type corrosion inhibitor is one or more selected from coco carboxymethyl sodium imidazoline acetate, imidazoline-type sodium phosphate, hydroxyethyl oleic acid imidazoline betaine, and undecyl carboxymethyl sodium imidazoline acetate, and is more preferably coco carboxymethyl sodium imidazoline acetate.
Preferably, in the engine coolant, the peptide compound is selected from one or more of pupa acylated peptide, cationic protein peptide, glutathione and casein phosphopeptide, and further preferably pupa acylated peptide and cationic protein peptide.
Preferably, in the engine coolant, the defoaming agent is a composition of a hydrophobic association water-soluble polymer AM-CO-NSAM and guar gum, and the mass ratio of the AM-CO-NSAM to the guar gum is 1: 1-1: 4; further preferably, the guar gum is hydroxypropyl guar gum JK201 or ultra-hydroxypropyl guar gum JK101, more preferably hydroxypropyl guar gum JK 201. The defoaming agent can inhibit the generation of foam in the cooling liquid and avoid the influence of the foam on the heat conduction capability of the cooling liquid.
Preferably, the engine coolant consists of the following components in parts by weight:
45 parts of propylene glycol, 4 parts of organic carboxylic acid, 4 parts of cocoyl sodium carboxymethyl imidazoline acetate, 1 part of pupa acylated peptide, 1 part of cationic protein peptide, 0.2 part of hydrophobically associating water-soluble polymer AM-CO-NSAM, 0.78 part of hydroxypropyl guar gum JK 2010.6 and 44.2 parts of deionized water.
The invention also provides application of the engine coolant in the field of motorcycle engine cooling.
The engine coolant related to the invention has the following remarkable advantages:
(1) the corrosion inhibitor has good corrosion inhibition effect on various metals, protects metal parts in a motorcycle water cooling system from being rusted, and prolongs the service life of the system.
(2) The cooling liquid defoaming agent has excellent defoaming performance, and the two defoaming agents are compounded according to a certain proportion, so that the generation of foam can be effectively inhibited, and the influence of the foam on the heat dissipation performance of the cooling liquid is avoided.
(3) The antifreeze and the additive with low toxicity and good environmental protection performance are adopted, so that the influence on the environment and the health of operators contacting the cooling liquid are reduced.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. Unless otherwise specified, the reagents used in the examples are all conventional commercially available reagents, and the technical means used in the examples are conventional means well known to those skilled in the art.
Example 1
45 parts of propylene glycol, 4 parts of ketoglutaric acid, 4 parts of sodium cocoyl carboxymethyl imidazoline acetate, 1 part of pupa acylated peptide, 1 part of cationic protein peptide, 0.2 part of hydrophobically associating water-soluble polymer AM-CO-NSAM, 0.78 part of hydroxypropyl guar gum JK 2010.6 and 44.2 parts of deionized water.
The preparation method comprises the following steps: and uniformly mixing propylene glycol, ketoglutaric acid, sodium cocoyl carboxymethyl imidazoline acetate, pupa acylated peptide, cationic protein peptide, hydrophobically associating water-soluble polymer AM-CO-NSAM, hydroxypropyl guar gum JK201 and deionized water at room temperature according to the using amount to obtain the special environment-friendly engine coolant for the motorcycle.
Example 2
30 parts of propylene glycol, 1 part of ketoglutaric acid, 4 parts of imidazoline type sodium phosphate, 2 parts of hydroxyethyl oleic acid imidazoline betaine, 3 parts of casein phosphopeptide, 0.5 part of hydrophobically associating water-soluble polymer AM-CO-NSAM, 0.78 part of hydroxypropyl guar gum JK 2010.5 and 59 parts of deionized water.
The preparation method comprises the following steps: uniformly mixing propylene glycol, ketoglutaric acid, imidazoline type sodium phosphate, hydroxyethyl oleic acid imidazoline betaine, casein phosphopeptide, hydrophobically associating water-soluble polymer AM-CO-NSAM, hydroxypropyl guar gum JK201 and deionized water at room temperature according to the above dosage to obtain the special environment-friendly engine coolant for the motorcycle.
Example 3
35 parts of propylene glycol, 5 parts of ketoglutaric acid, 1.5 parts of sodium cocoyl carboxymethyl sodium imidazoline acetate, 0.5 part of sodium undecyl carboxymethyl sodium imidazoline acetate, 0.5 part of cationic protein peptide, 0.5 part of glutathione, 0.1 part of hydrophobically associating water-soluble polymer AM-CO-NSAM, JK 1010.35 parts of ultra-hydroxypropyl guar gum and 56.55 parts of deionized water.
The preparation method comprises the following steps: uniformly mixing propylene glycol, ketoglutaric acid, sodium cocoyl carboxymethyl sodium imidazoline acetate, sodium undecyl carboxymethyl sodium imidazoline acetate, cationic protein peptide, glutathione, hydrophobically associating water-soluble polymer AM-CO-NSAM, ultra-hydroxypropyl guar gum JK101 and deionized water at room temperature according to the using amount to obtain the environment-friendly engine coolant special for the motorcycle.
Example 4
40 parts of propylene glycol, 3 parts of ketoglutaric acid, 0.5 part of sodium cocoyl carboxymethyl sodium imidazoline acetate, 1 part of imidazoline type sodium phosphate, 0.3 part of hydroxyethyl oleic acid imidazoline betaine, 0.7 part of undecyl carboxymethyl sodium imidazoline acetate, 0.2 part of pupa acylated peptide, 0.2 part of cationic protein peptide, 0.2 part of glutathione, 0.4 part of casein phosphopeptide, 0.2 part of hydrophobically associating water-soluble polymer AM-CO-NSAM, 1010.4 parts of ultra-hydroxypropyl guar gum JK and 52.9 parts of deionized water.
The preparation method comprises the following steps: according to the above dosage, uniformly mixing propylene glycol, ketoglutaric acid, sodium cocoyl carboxymethyl sodium imidazoline acetate, imidazoline type sodium phosphate, hydroxyethyl oleic acid imidazoline betaine, sodium undecyl carboxymethyl sodium imidazoline acetate, pupa acylated peptide, cationic protein peptide, glutathione, casein phosphopeptide, hydrophobically associating water-soluble polymer AM-CO-NSAM, super hydroxypropyl guar gum JK101 and deionized water at room temperature to obtain the special environment-friendly engine coolant for the motorcycle of the embodiment.
Example 5
45 parts of propylene glycol, 2 parts of ketoglutaric acid, 1.7 parts of sodium cocoyl carboxymethyl imidazoline acetate, 1.7 parts of imidazoline type sodium phosphate, 1.2 parts of hydroxyethyl oleic acid imidazoline betaine, 0.2 part of pupa acylated peptide, 0.5 part of cationic protein peptide, 1 part of glutathione, 0.2 part of hydrophobically associating water-soluble polymer AM-CO-NSAM, 0.78 part of hydroxypropyl guar gum JK 2010.4 and 46.1 parts of deionized water.
The preparation method comprises the following steps: uniformly mixing propylene glycol, ketoglutaric acid, sodium cocoyl carboxymethyl sodium imidazoline acetate, imidazoline type sodium phosphate, hydroxyethyl oleic acid imidazoline betaine, pupa acylated peptide, cationic protein peptide, glutathione, hydrophobically associating water-soluble polymer AM-CO-NSAM, hydroxypropyl guar gum JK201 and deionized water at room temperature according to the using amount to obtain the environment-friendly engine coolant special for the motorcycle.
Comparative example 1
Comparative example 1, which does not contain a peptide compound, is composed of the following:
45 parts of propylene glycol, 4 parts of ketoglutaric acid, 6 parts of sodium cocoyl carboxymethyl imidazoline acetate, 0.2 part of hydrophobically associating water-soluble polymer AM-CO-NSAM, JK 2010.6 parts of hydroxypropyl guar gum and 44.2 parts of deionized water.
Comparative example 2
Comparative example 2 does not contain imidazoline corrosion inhibitor, and comprises the following specific components:
45 parts of propylene glycol, 4 parts of ketoglutaric acid, 3 parts of pupa acylated peptide, 3 parts of cationic protein peptide, 0.2 part of hydrophobically associating water-soluble polymer AM-CO-NSAM, JK 2010.6 parts of hydroxypropyl guar gum and 44.2 parts of deionized water.
Experimental example:
the freezing point, glassware corrosion and foaming tendency of the environment-friendly engine coolant special for motorcycles obtained in the examples 1 to 5 are measured according to SH/T0090, SH/T0085 and SH/T0066 methods, and the detection results are shown in Table 1.
TABLE 1 detection results of cooling liquid for environment-friendly engine special for motorcycle
And (4) conclusion: experimental results show that the engine coolant provided by the invention has excellent antifreezing capacity, metal corrosion inhibition capacity and defoaming capacity, and can provide excellent antifreezing, anticorrosion and defoaming protection for a motorcycle cooling system.
Although the invention has been described in detail hereinabove by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that many modifications and improvements can be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The engine coolant is characterized by comprising the following components in percentage by weight:
wherein the corrosion inhibitor is a composition of an imidazoline corrosion inhibitor and a peptide compound.
2. The engine coolant as set forth in claim 1, characterized by comprising the following components in percentage by weight:
3. the engine coolant as claimed in claim 1 or 2, wherein the mass ratio of the imidazoline type corrosion inhibitor to the peptide compound is 2: 1-3: 1.
4. The engine coolant of any one of claims 1 to 3, wherein the imidazoline type corrosion inhibitor is selected from one or more of coco carboxymethyl sodium imidazoline acetate, imidazoline type sodium phosphate, hydroxyethyl oleic imidazoline betaine, undecyl carboxymethyl sodium imidazoline acetate, and is preferably coco carboxymethyl sodium imidazoline acetate.
5. The engine coolant of any one of claims 1 to 4, wherein the peptide compound is selected from one or more of pupation acylated peptide, cationic protein peptide, glutathione and casein phosphopeptide.
6. The engine coolant of claim 5 wherein the peptide compounds are pupation acylated peptides and cationic protein peptides.
7. The engine coolant according to any one of claims 1 to 6, wherein the defoaming agent is a composition of a hydrophobically associating water-soluble polymer AM-CO-NSAM and guar gum, and the mass ratio of the AM-CO-NSAM to the guar gum is 1: 1-1: 4.
8. Engine coolant according to claim 6, characterized in that the guar gum is hydroxypropyl guar JK201 or ultra-hydroxypropyl guar JK101, preferably hydroxypropyl guar JK 201.
9. The engine coolant as set forth in claim 1, which is composed of the following components in parts by weight:
45 parts of propylene glycol, 4 parts of organic carboxylic acid, 4 parts of cocoyl sodium carboxymethyl imidazoline acetate, 1 part of pupa acylated peptide, 1 part of cationic protein peptide, 0.2 part of hydrophobically associating water-soluble polymer AM-CO-NSAM, 0.78 part of hydroxypropyl guar gum JK 2010.6 and 44.2 parts of deionized water.
10. Use of the engine coolant of any one of claims 1 to 9 in the field of cooling of motorcycle engines.
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|---|---|---|---|
| CN202011407517.4A CN114605968A (en) | 2020-12-04 | 2020-12-04 | Engine coolant and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011407517.4A CN114605968A (en) | 2020-12-04 | 2020-12-04 | Engine coolant and application thereof |
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