CN107699208A - Engine coolant and preparation method thereof - Google Patents

Engine coolant and preparation method thereof Download PDF

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Publication number
CN107699208A
CN107699208A CN201710227367.0A CN201710227367A CN107699208A CN 107699208 A CN107699208 A CN 107699208A CN 201710227367 A CN201710227367 A CN 201710227367A CN 107699208 A CN107699208 A CN 107699208A
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CN
China
Prior art keywords
engine coolant
solution
sufficiently stirred
pigment
adjusting agent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN201710227367.0A
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Chinese (zh)
Inventor
吴宪
符孟乐
吴浩明
张东伟
张云龙
朱健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU SINENG LUBRICANT TECHNOLOGY Co Ltd
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JIANGSU SINENG LUBRICANT TECHNOLOGY Co Ltd
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Publication date
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Priority to CN201710227367.0A priority Critical patent/CN107699208A/en
Publication of CN107699208A publication Critical patent/CN107699208A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-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
    • C09K5/20Antifreeze additives therefor, e.g. for radiator liquids

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  • 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The invention discloses a kind of engine coolant and preparation method thereof, the component and each component mass percent of engine coolant are as follows:PH adjusting agent:0.5% 3.0%;2 thylhexoic acids:0.3% 2.0%;Sodium benzoate:0.3% 1.0%;Terephthalic acid (TPA):0.3% 1.0%;Organic ternary carboxylic acid:0.5% 2.0%;BTA:0.1% 0.5%;Antioxidant:0.2% 1.0%;Defoamer:0.001% 0.1%;Pigment:0.001% 0.1%;Surplus is ethylene glycol, amounts to 100%.The present invention has low freezing point, high boiling feature; defoaming effect is good; and use organic carboxyl acid technology; improve its protecting effect to the various metals of engine-cooling system; solves the problems such as silicate-type coolant causes coolant inhibitor reduced capability, scale-preventing performance to weaken because of itself gel polymerisation simultaneously, so as to effectively extend engine and engine coolant service life.

Description

Engine coolant and preparation method thereof
Technical field
The present invention relates to a kind of engine coolant and preparation method thereof.
Background technology
At present, engine coolant of the prior art is using silicate-type coolant, and it is because of itself gel polymerisation And coolant inhibitor reduced capability, scale-preventing performance is caused to weaken.
The content of the invention
The technical problems to be solved by the invention are the defects of overcoming prior art, there is provided a kind of engine coolant, it With low freezing point, high boiling feature, defoaming effect is good, and uses organic carboxyl acid technology, improves it to engine cool The protecting effect of the various metals of system, while solve silicate-type coolant and cause coolant inhibitor because of itself gel polymerisation The problems such as reduced capability, scale-preventing performance weaken, so as to effectively extend engine and engine coolant service life.
In order to solve the above technical problems, the technical scheme is that:A kind of engine coolant, its component and each Constituent mass percentage is as follows:
PH adjusting agent:0.5%-3.0%;
2 ethyl hexanoic acid:0.3%-2.0%;
Sodium benzoate:0.3%-1.0%;
Terephthalic acid (TPA):0.3%-1.0%;
Organic ternary carboxylic acid:0.5%-2.0%;
BTA:0.1%-0.5%;
Antioxidant:0.2%-1.0%;
Defoamer:0.001%-0.1%;
Pigment:0.001%-0.1%;
Surplus is ethylene glycol, amounts to 100%.
Further, its component and each component mass percent are as follows:
PH adjusting agent:1.0%-2.0%;
2 ethyl hexanoic acid:0.5%-1.5%;
Sodium benzoate:0.4%-0.8%;
Terephthalic acid (TPA):0.4%-0.8%;
Organic ternary carboxylic acid:1.0%-1.5%;
BTA:0.2%-0.4%;
Antioxidant:0.25%-0.5%;
Defoamer:0.005%-0.05%;
Pigment:0.01%-0.08%;
Surplus is ethylene glycol, amounts to 100%.
Further, its component and each component mass percent are as follows:
PH adjusting agent:1.5%;
2 ethyl hexanoic acid:1.0%;
Sodium benzoate:0.5%;
Terephthalic acid (TPA):0.5%;
Organic ternary carboxylic acid:1.2%;
BTA:0.25%;
Antioxidant:0.3%;
Defoamer:0.01%;
Pigment:0.05%;
Surplus is ethylene glycol, amounts to 100%.
The pH adjusting agent is sodium hydroxide.
Further, the organic ternary carboxylic acid is 2,4,6- tri- (amino caproyl) -1,3,5-triazines.
Further, the pigment is at least one of fluorescein, fluorescein, ZTH red, true yellow, ethereal blue.
Present invention also offers a kind of preparation method of engine coolant, the step of method in contain:
(a) pH adjusting agent is dissolved in appropriate deionized water, solution A is obtained after being sufficiently stirred;
(b) pigment is dissolved in appropriate deionized water, obtains solution B;
(c) by 2 ethyl hexanoic acid, sodium benzoate, terephthalic acid (TPA), organic ternary carboxylic acid, BTA, antioxidant and Solution A is added in ethylene glycol, and solution C is obtained after being sufficiently stirred;
(d) defoamer and solution B are added in solution C, required engine coolant is obtained after being sufficiently stirred.
Further, in described step (c), solution C is obtained after being sufficiently stirred under 40-50 DEG C of temperature environment.
Further, in described step (c), the time being sufficiently stirred is 30min.
Further, in described step (d), 5~10min is sufficiently stirred at normal temperatures.
After employing above-mentioned technical proposal, engine coolant prepared by the present invention has low freezing point, high boiling feature, Defoaming effect is good, and uses organic carboxyl acid technology, improves its protecting effect to the various metals of engine-cooling system, together When solve silicate-type coolant cause because of itself gel polymerisation coolant inhibitor reduced capability, scale-preventing performance weaken etc. Problem, so as to effectively extend engine and engine coolant service life.
Embodiment
In order that present disclosure is easier to be clearly understood, below according to specific embodiment, the present invention is made into One step is described in detail.
Embodiment one
A kind of engine coolant, its component and each component mass percent are as follows:
PH adjusting agent:0.5%;
2 ethyl hexanoic acid:0.3%;
Sodium benzoate:0.3%;
Terephthalic acid (TPA):0.3%;
Organic ternary carboxylic acid:0.5%;
BTA:0.1%;
Antioxidant:0.2%;
Defoamer:0.001%;
Pigment:0.001%;
Surplus is ethylene glycol, amounts to 100%.
The pH adjusting agent is sodium hydroxide.
The organic ternary carboxylic acid is 2,4,6- tri- (amino caproyl) -1,3,5- triazines.
The pigment is the red mixture of fluorescein, fluorescein, ZTH.
Contain in a kind of the step of preparation method of engine coolant:
(a) pH adjusting agent is dissolved in appropriate deionized water, solution A is obtained after being sufficiently stirred;
(b) pigment is dissolved in appropriate deionized water, obtains solution B;
(c) by 2 ethyl hexanoic acid, sodium benzoate, terephthalic acid (TPA), organic ternary carboxylic acid, BTA, antioxidant and Solution A is added in ethylene glycol, and solution C is obtained after being sufficiently stirred;
(d) defoamer and solution B are added in solution C, required engine coolant is obtained after being sufficiently stirred.
In described step (c), solution C is obtained after being sufficiently stirred under 40-50 DEG C of temperature environment.
In described step (c), the time being sufficiently stirred is 30min.
In described step (d), 5~10min is sufficiently stirred at normal temperatures.
Embodiment two
A kind of engine coolant, its component and each component mass percent are as follows:
PH adjusting agent:3.0%;
2 ethyl hexanoic acid:2.0%;
Sodium benzoate:1.0%;
Terephthalic acid (TPA):1.0%;
Organic ternary carboxylic acid:2.0%;
BTA:0.5%;
Antioxidant:1.0%;
Defoamer:0.1%;
Pigment:0.1%;
Surplus is ethylene glycol, amounts to 100%.
The pH adjusting agent is sodium hydroxide.
The organic ternary carboxylic acid is 2,4,6- tri- (amino caproyl) -1,3,5- triazines.
The pigment is fluorescein.
Contain in a kind of the step of preparation method of engine coolant:
(a) pH adjusting agent is dissolved in appropriate deionized water, solution A is obtained after being sufficiently stirred;
(b) pigment is dissolved in appropriate deionized water, obtains solution B;
(c) by 2 ethyl hexanoic acid, sodium benzoate, terephthalic acid (TPA), organic ternary carboxylic acid, BTA, antioxidant and Solution A is added in ethylene glycol, and solution C is obtained after being sufficiently stirred;
(d) defoamer and solution B are added in solution C, required engine coolant is obtained after being sufficiently stirred.
In described step (c), solution C is obtained after being sufficiently stirred under 50 DEG C of temperature environment.
In described step (c), the time being sufficiently stirred is 30min.
In described step (d), 10min is sufficiently stirred at normal temperatures.
Embodiment three
A kind of engine coolant, its component and each component mass percent are as follows:
PH adjusting agent:1.0%%;
2 ethyl hexanoic acid:0.5%;
Sodium benzoate:0.4%;
Terephthalic acid (TPA):0.4%;
Organic ternary carboxylic acid:1.0%;
BTA:0.2%;
Antioxidant:0.25%;
Defoamer:0.005%;
Pigment:0.01%;
Surplus is ethylene glycol, amounts to 100%.
The organic ternary carboxylic acid is 2,4,6- tri- (amino caproyl) -1,3,5- triazines.
The pigment is that ZTH is red.
Contain in a kind of the step of preparation method of engine coolant:
(a) pH adjusting agent is dissolved in appropriate deionized water, solution A is obtained after being sufficiently stirred;
(b) pigment is dissolved in appropriate deionized water, obtains solution B;
(c) by 2 ethyl hexanoic acid, sodium benzoate, terephthalic acid (TPA), organic ternary carboxylic acid, BTA, antioxidant and Solution A is added in ethylene glycol, and solution C is obtained after being sufficiently stirred;
(d) defoamer and solution B are added in solution C, required engine coolant is obtained after being sufficiently stirred.
In described step (c), solution C is obtained after being sufficiently stirred under 40 DEG C of temperature environment.
In described step (c), the time being sufficiently stirred is 30min.
In described step (d), 5min is sufficiently stirred at normal temperatures.
Example IV
A kind of engine coolant, its component and each component mass percent are as follows:
PH adjusting agent:2.0%;
2 ethyl hexanoic acid:1.5%;
Sodium benzoate:0.8%;
Terephthalic acid (TPA):0.8%;
Organic ternary carboxylic acid:1.5%;
BTA:0.4%;
Antioxidant:0.5%;
Defoamer:0.05%;
Pigment:0.08%;
Surplus is ethylene glycol, amounts to 100%.
The organic ternary carboxylic acid is 2,4,6- tri- (amino caproyl) -1,3,5- triazines.
The pigment is fluorescein, the mixture of fluorescein.
Contain in a kind of the step of preparation method of engine coolant:
(a) pH adjusting agent is dissolved in appropriate deionized water, solution A is obtained after being sufficiently stirred;
(b) pigment is dissolved in appropriate deionized water, obtains solution B;
(c) by 2 ethyl hexanoic acid, sodium benzoate, terephthalic acid (TPA), organic ternary carboxylic acid, BTA, antioxidant and Solution A is added in ethylene glycol, and solution C is obtained after being sufficiently stirred;
(d) defoamer and solution B are added in solution C, required engine coolant is obtained after being sufficiently stirred.
In described step (c), solution C is obtained after being sufficiently stirred under 40-50 DEG C of temperature environment.
In described step (c), the time being sufficiently stirred is 30min.
In described step (d), 8min is sufficiently stirred at normal temperatures.
Embodiment five
A kind of engine coolant, its component and each component mass percent are as follows:
PH adjusting agent:1.5%;
2 ethyl hexanoic acid:1.0%;
Sodium benzoate:0.5%;
Terephthalic acid (TPA):0.5%;
Organic ternary carboxylic acid:1.2%;
BTA:0.25%;
Antioxidant:0.3%;
Defoamer:0.01%;
Pigment:0.05%;
Surplus is ethylene glycol, amounts to 100%.
The pH adjusting agent is sodium hydroxide.
The organic ternary carboxylic acid is 2,4,6- tri- (amino caproyl) -1,3,5- triazines.
The pigment is true yellow, the mixture of ethereal blue.
Contain in a kind of the step of preparation method of engine coolant:
(a) pH adjusting agent is dissolved in appropriate deionized water, solution A is obtained after being sufficiently stirred;
(b) pigment is dissolved in appropriate deionized water, obtains solution B;
(c) by 2 ethyl hexanoic acid, sodium benzoate, terephthalic acid (TPA), organic ternary carboxylic acid, BTA, antioxidant and Solution A is added in ethylene glycol, and solution C is obtained after being sufficiently stirred;
(d) defoamer and solution B are added in solution C, required engine coolant is obtained after being sufficiently stirred.
In described step (c), solution C is obtained after being sufficiently stirred under 45 DEG C of temperature environment.
In described step (c), the time being sufficiently stirred is 30min.
In described step (d), 7min is sufficiently stirred at normal temperatures.
Embodiment six
A kind of engine coolant, its component and each component mass percent are as follows:
PH adjusting agent:1.8%;
2 ethyl hexanoic acid:1.2%;
Sodium benzoate:0.6%;
Terephthalic acid (TPA):0.7%;
Organic ternary carboxylic acid:1.3%;
BTA:0.3%;
Antioxidant:0.6%;
Defoamer:0.05%;
Pigment:0.05%;
Surplus is ethylene glycol, amounts to 100%.
The pH adjusting agent is sodium hydroxide.
The organic ternary carboxylic acid is 2,4,6- tri- (amino caproyl) -1,3,5- triazines.
The pigment is ethereal blue.
Contain in a kind of the step of preparation method of engine coolant:
(a) pH adjusting agent is dissolved in appropriate deionized water, solution A is obtained after being sufficiently stirred;
(b) pigment is dissolved in appropriate deionized water, obtains solution B;
(c) by 2 ethyl hexanoic acid, sodium benzoate, terephthalic acid (TPA), organic ternary carboxylic acid, BTA, antioxidant and Solution A is added in ethylene glycol, and solution C is obtained after being sufficiently stirred;
(d) defoamer and solution B are added in solution C, required engine coolant is obtained after being sufficiently stirred.
In described step (c), solution C is obtained after being sufficiently stirred under 40-50 DEG C of temperature environment.
In described step (c), the time being sufficiently stirred is 30min.
In described step (d), 5~10min is sufficiently stirred at normal temperatures.
The engine coolant that more than prepared by six embodiments, finds in actual use, and freezing point is relatively low, boiling Point is higher, and defoaming effect is good, improves its protecting effect to the various metals of engine-cooling system, while solves silicate Type coolant cause because of itself gel polymerisation coolant inhibitor reduced capability, scale-preventing performance weaken the problems such as, engine and The service life of engine coolant is extended.
Particular embodiments described above, the technical problems to be solved by the invention, technical scheme and beneficial effect are entered Further description is gone, should be understood that the specific embodiment that the foregoing is only the present invention, be not used to limit The system present invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., should be included in Within protection scope of the present invention.

Claims (10)

1. a kind of engine coolant, it is characterised in that its component and each component mass percent is as follows:
PH adjusting agent:0.5%-3.0%;
2 ethyl hexanoic acid:0.3%-2.0%;
Sodium benzoate:0.3%-1.0%;
Terephthalic acid (TPA):0.3%-1.0%;
Organic ternary carboxylic acid:0.5%-2.0%;
BTA:0.1%-0.5%;
Antioxidant:0.2%-1.0%;
Defoamer:0.001%-0.1%;
Pigment:0.001%-0.1%;
Surplus is ethylene glycol, amounts to 100%.
2. engine coolant according to claim 1, it is characterised in that its component and each component mass percent is such as Under:
PH adjusting agent:1.0%-2.0%;
2 ethyl hexanoic acid:0.5%-1.5%;
Sodium benzoate:0.4%-0.8%;
Terephthalic acid (TPA):0.4%-0.8%;
Organic ternary carboxylic acid:1.0%-1.5%;
BTA:0.2%-0.4%;
Antioxidant:0.25%-0.5%;
Defoamer:0.005%-0.05%;
Pigment:0.01%-0.08%;
Surplus is ethylene glycol, amounts to 100%.
3. engine coolant according to claim 1, it is characterised in that its component and each component mass percent is such as Under:
PH adjusting agent:1.5%;
2 ethyl hexanoic acid:1.0%;
Sodium benzoate:0.5%;
Terephthalic acid (TPA):0.5%;
Organic ternary carboxylic acid:1.2%;
BTA:0.25%;
Antioxidant:0.3%;
Defoamer:0.01%;
Pigment:0.05%;
Surplus is ethylene glycol, amounts to 100%.
4. engine coolant according to claim 1, it is characterised in that:The pH adjusting agent is sodium hydroxide.
5. engine coolant according to claim 1, it is characterised in that:The organic ternary carboxylic acid is 2,4,6- tri- (amino caproyl) -1,3,5- triazines.
6. engine coolant according to claim 1, it is characterised in that:The pigment is fluorescein, fluorescein, ZTH At least one of red, true yellow, ethereal blue.
7. the preparation method of a kind of engine coolant as any one of claim 1 to 6, it is characterised in that method Contain in step:
(a) pH adjusting agent is dissolved in appropriate deionized water, solution A is obtained after being sufficiently stirred;
(b) pigment is dissolved in appropriate deionized water, obtains solution B;
(c) by 2 ethyl hexanoic acid, sodium benzoate, terephthalic acid (TPA), organic ternary carboxylic acid, BTA, antioxidant and solution A It is added in ethylene glycol, solution C is obtained after being sufficiently stirred;
(d) defoamer and solution B are added in solution C, required engine coolant is obtained after being sufficiently stirred.
8. preparation method according to claim 7, it is characterised in that:In described step (c), in 40-50 DEG C of temperature Solution C is obtained after being sufficiently stirred under degree environment.
9. preparation method according to claim 7, it is characterised in that:In described step (c), time for being sufficiently stirred For 30min.
10. preparation method according to claim 7, it is characterised in that:In described step (d), at normal temperatures fully Stir 5~10min.
CN201710227367.0A 2017-04-10 2017-04-10 Engine coolant and preparation method thereof Pending CN107699208A (en)

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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109652023A (en) * 2018-12-29 2019-04-19 中国船舶重工集团公司第七八研究所 A kind of solar energy heat conducting medium and preparation method
CN111978932A (en) * 2020-07-09 2020-11-24 纯牌科技股份有限公司 Organic corrosion inhibition cooling liquid and preparation method thereof
CN112940692A (en) * 2021-01-25 2021-06-11 广东石油化工学院 Thermal management system fluid composition

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Publication number Priority date Publication date Assignee Title
DE19547499A1 (en) * 1995-11-10 1997-05-15 Hyundai Motor Co Ltd Engine coolant composition with low depletion rate
RU2182585C2 (en) * 2000-05-15 2002-05-20 Сахно Николай Витальевич Cooling liquid
CN101768428A (en) * 2008-12-31 2010-07-07 中国蓝星(集团)股份有限公司 Engine coolant
CN101914369A (en) * 2010-08-11 2010-12-15 吉化集团吉林市星云工贸有限公司 Organic anti-freeze cooling liquid and preparation method thereof
CN102367379A (en) * 2011-11-02 2012-03-07 深圳车仆汽车用品发展有限公司 Life-cycle water-free cooling solution
CN105602533A (en) * 2015-12-17 2016-05-25 长春德联化工有限公司 Good corrosion inhibition engine liquid coolant and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19547499A1 (en) * 1995-11-10 1997-05-15 Hyundai Motor Co Ltd Engine coolant composition with low depletion rate
RU2182585C2 (en) * 2000-05-15 2002-05-20 Сахно Николай Витальевич Cooling liquid
CN101768428A (en) * 2008-12-31 2010-07-07 中国蓝星(集团)股份有限公司 Engine coolant
CN101914369A (en) * 2010-08-11 2010-12-15 吉化集团吉林市星云工贸有限公司 Organic anti-freeze cooling liquid and preparation method thereof
CN102367379A (en) * 2011-11-02 2012-03-07 深圳车仆汽车用品发展有限公司 Life-cycle water-free cooling solution
CN105602533A (en) * 2015-12-17 2016-05-25 长春德联化工有限公司 Good corrosion inhibition engine liquid coolant and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109652023A (en) * 2018-12-29 2019-04-19 中国船舶重工集团公司第七八研究所 A kind of solar energy heat conducting medium and preparation method
CN109652023B (en) * 2018-12-29 2020-11-06 中国船舶重工集团公司第七一八研究所 Solar heat-conducting medium and preparation method thereof
CN111978932A (en) * 2020-07-09 2020-11-24 纯牌科技股份有限公司 Organic corrosion inhibition cooling liquid and preparation method thereof
CN112940692A (en) * 2021-01-25 2021-06-11 广东石油化工学院 Thermal management system fluid composition

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Application publication date: 20180216