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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- engine coolant
- imidazoline
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- peptide
- corrosion inhibitor
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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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- 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.
Priority Applications (1)
| 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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| 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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| CN114605968A true CN114605968A (en) | 2022-06-10 |
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| CN202011407517.4A Pending CN114605968A (en) | 2020-12-04 | 2020-12-04 | Engine coolant and application thereof |
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Citations (7)
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| WO1999059958A1 (en) * | 1998-05-20 | 1999-11-25 | The Associated Octel Company Limited | Biodegradable corrosion inhibitors |
| CN101824310A (en) * | 2009-12-19 | 2010-09-08 | 乌鲁木齐现代石油化工有限公司 | Compounded corrosion inhibitor and water-based propylene glycol coolant |
| WO2013060616A1 (en) * | 2011-10-26 | 2013-05-02 | Haertol Chemie Gmbh | Alkali metal nitrate as additive to coolants in coolant systems |
| US20150245986A1 (en) * | 2012-10-01 | 2015-09-03 | Rhodia Operations | Foam improvement of soap containing compositions |
| CN105199043A (en) * | 2015-10-21 | 2015-12-30 | 西安长庆化工集团有限公司 | Hydrophobically associating water-soluble polymer (HAWP) and preparation method thereof |
| US20180334750A1 (en) * | 2017-05-19 | 2018-11-22 | King Fahd University Of Petroleum And Minerals | Composition and methods for inhibition of metal corrosion for use in the oil and gas industry |
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| JPH07292386A (en) * | 1993-12-29 | 1995-11-07 | Sunstar Inc | Detergent composition |
| WO1999059958A1 (en) * | 1998-05-20 | 1999-11-25 | The Associated Octel Company Limited | Biodegradable corrosion inhibitors |
| CN101824310A (en) * | 2009-12-19 | 2010-09-08 | 乌鲁木齐现代石油化工有限公司 | Compounded corrosion inhibitor and water-based propylene glycol coolant |
| WO2013060616A1 (en) * | 2011-10-26 | 2013-05-02 | Haertol Chemie Gmbh | Alkali metal nitrate as additive to coolants in coolant systems |
| US20150245986A1 (en) * | 2012-10-01 | 2015-09-03 | Rhodia Operations | Foam improvement of soap containing compositions |
| CN105199043A (en) * | 2015-10-21 | 2015-12-30 | 西安长庆化工集团有限公司 | Hydrophobically associating water-soluble polymer (HAWP) and preparation method thereof |
| US20180334750A1 (en) * | 2017-05-19 | 2018-11-22 | King Fahd University Of Petroleum And Minerals | Composition and methods for inhibition of metal corrosion for use in the oil and gas industry |
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