CN108949118A - The water-free cooling and preparation method thereof of hydroxyl fullerene - Google Patents
The water-free cooling and preparation method thereof of hydroxyl fullerene Download PDFInfo
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- CN108949118A CN108949118A CN201810936495.7A CN201810936495A CN108949118A CN 108949118 A CN108949118 A CN 108949118A CN 201810936495 A CN201810936495 A CN 201810936495A CN 108949118 A CN108949118 A CN 108949118A
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- 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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Abstract
The invention discloses a kind of water-free coolings of hydroxyl fullerene, by weight, including following components: 50~92 parts of dihydric alcohol subtracts thick dose 1~10 part, 1~10 part of moisturizer, 1~10 part of defoaming agent, hydroxylating fuller olefinic carbon 60 .01~1 part, metal passivation 0.01~6 part of corrosion inhibiter, 0.01~2 part of antioxidant, 0.01~4 part of neutralizer；The hydroxylating fullerene is fullerene C60Hydroxylation derivative, fullerene C70One or more of hydroxylation derivative, high fullerene hydroxylation derivative.The invention also discloses the preparation methods of the coolant liquid of aforementioned hydroxyl fullerene.The coolant liquid of hydroxyl fullerene of the invention, have the characteristics that energy conservation and environmental protection, nontoxic, water-saving fuel-economizing, protection engine, increase power, accelerate fast, the non-scale of zero burn into, electroless, nothing or extremely low pressure, thermal balance, permanently, lubricity.
Description
Technical field
The present invention relates to coolant liquid technical field more particularly to a kind of water-free coolings and its system of hydroxyl fullerene
Preparation Method.
Background technique
The birth of automobile is the crystallization of mankind's science and technology civilization, develops to the history of existing more than 120 years of today, major system
It is to weed out the old and bring forth the new, become better and approaching perfection day by day, there has also been substantive breakthroughs and update for the structure design of engine-cooling system.However automobile
Coolant liquid (also referred to as refrigerant) still using water and ethylene glycol as basis liquid.The advantages of water is that source is wide, do not burn, thermal conductivity is good,
Caloric receptivity is big, viscosity is low；The disadvantage is that low boiling point, freezing point are high, oxidation precipitation easily occurs in a cooling system, plays scale, scale energy
The component and sealing element of cooling system are damaged, while being also covered on engine-cooling system inner wall, the reduction of metal heat-conducting rate is made,
Heat dissipation performance decline, shortens the service life of engine；Water is in the cooling system that high warm load operates, working condition pressure
Greatly, it evaporates electrolyte fast, soluble in water and easily leads to various corrosion (including chemical attack, electrochemical corrosion, cavitation corrosion etc.).Second
Material of main part of the glycol as traditional coolant liquid, although the efficiency for reducing freezing point is relatively high, itself is unstable, it is warmed in height
It can be gradually oxidized in the cooling system of load running with ethanedioic acid for main mixed acid, to engine cylinder body and cooling system component
There is extremely strong corrosiveness.
Summary of the invention
It is and existing cold the technical problem to be solved in the present invention is to provide a kind of water-free cooling of hydroxyl fullerene
But liquid phase ratio, the coolant liquid have energy conservation and environmental protection, nontoxic, water-saving fuel-economizing, protection engine, increase power, accelerate fast, zero burn into
The features such as non-scale, electroless, nothing or extremely low pressure, thermal balance, permanent, lubricity.
Another object of the present invention is to provide the preparation methods of the water-free cooling of above-mentioned hydroxyl fullerene.
In order to solve the above-mentioned technical problems, the present invention provides the water-free coolings of hydroxyl fullerene, by weight
Meter, including following components: 50~92 parts of dihydric alcohol subtracts thick dose 1~10 part, 1~10 part of moisturizer, 1~10 part of defoaming agent, hydroxyl
Change fuller olefinic carbon 60 .01~1 part, metal is passivated 0.01~6 part of corrosion inhibiter, 0.01~2 part of antioxidant, 0.01~4 part of neutralizer；
The hydroxylating fullerene is fullerene C60Hydroxylation derivative, fullerene C70Hydroxylation derivative, high fullerene hydroxylating are spread out
One or more of biology.Wherein, high fullerene refers to fullerene of the C atomicity greater than 70, such as C in molecule74、C76、C84
Deng.Preferably, the hydroxylating fullerene is fullerene C60Hydroxylation derivative.
In one embodiment of the present invention, in the hydroxylating fullerene, the number of hydroxyl is 20-32.More preferably
, the hydroxyl number is 24-28.
In one embodiment of the present invention, the dihydric alcohol be 1,2- butanediol, 1,3-BDO, 1,4-butanediol,
One or more of 1,2- propylene glycol, 1,3- propylene glycol, ethylene glycol.It is furthermore preferred that the dihydric alcohol be 1,2-PD,
One or more of 1,3- propylene glycol, ethylene glycol.
It is described to subtract thick dose as dipropylene glycol monoethyl ether in one embodiment of the present invention.
In one embodiment of the present invention, the moisturizer is glycerol, propylene glycol, D-sorbite, silicone oil fatty alcohol, gathers
One or more of propylene glycol, xylitol.It is furthermore preferred that the moisturizer is D-sorbite, silicone oil fatty alcohol, poly- the third two
The one or more of alcohol.
In one embodiment of the present invention, the defoaming agent is sorbierite, dimethyl silicone polymer, polyoxypropylene oxidation
Ethylene Glycol ether is one or more of poly-.
In one embodiment of the present invention, the metal passivation corrosion inhibiter is methyl benzotriazazole, propyl benzo
Triazole, benzotriazole, molybdate, nitrite, chromate, phosphate, nitrous acid two one or more of amine.More
Preferably, the metal passivation corrosion inhibiter is methyl benzotriazazole, propyl benzotriazole, one in benzotriazole
Kind is several.
In one embodiment of the present invention, the antioxidant is triethanolamine.
In one embodiment of the present invention, the neutralizer is one or both of sodium hydroxide, potassium hydroxide.
In addition, the present invention also provides the preparation method of the water-free cooling of above-mentioned hydroxyl fullerene, including it is following
Step:
A. it weighs 0.01~1 part of hydroxylating fullerene to be dissolved into distilled water, stirring is added 50~92 to being completely dissolved
Part dihydric alcohol, vacuum distillation remove distilled water, and solvent displacement obtains hydroxylating fullerene polyhydric alcohol solutions, in this solution
Enough anhydrous cupric sulfates are added, to remove remaining moisture, obtain coolant liquid basal liquid；
B. it weighs 0.01~6 part of metal passivation corrosion inhibiter and 1~10 part subtracts thick dose, 1~10 part of moisturizer, be added to a step
In rapid basal liquid, 40 DEG C~60 DEG C constant temperature stir to being completely dissolved, obtain mixed liquor X；
C. it weighs 0.01~2 part of antioxidant to be added in the mixed liquor X of b step, stirs, obtain mixed liquor Y；
D. 1-10 parts of defoamings are weighed to be added in the mixed liquor Y of step c, stirs, obtains mixed liquor Z；
E. it weighs 0.01~4 part of neutralizer to be added in the mixed liquor Z of Step d, stir to being completely dissolved, obtain described contain
The water-free cooling of hydroxylating fullerene.
The beneficial effects of the present invention are:
The water-free cooling of hydroxyl fullerene of the invention, fullerene molecule therein it is with super strength it is anti-oxidant,
The ability for absorbing free radical, can preferably protect coolant liquid, prolong its service life；Hydroxylating fullerene can be passivated with metal
Object corrosion inhibiter generates synergistic effect, preferably plays anti-oxidant and characteristics of nanometer fluid, on the basis of water-free cooling higher boiling,
It is able to achieve efficiently diffusion and infiltration, so as to preferably realize efficient thermal balance.
When the water-free cooling of hydroxyl fullerene of the invention is applied to heavy-duty engine, it can greatly reduce
The probability for surmounting the operation of nucleate boiling security interval has effectively evaded the generation of excessive boiling and film boiling, keeps engine
Excellent performance, increasing service life of engine.
The features such as preparation method of the invention has simple process and low cost, and equipment requirement is low, is conducive to industrial metaplasia
It produces.
Specific embodiment
The invention will be further described for knot specific embodiment below, so that those skilled in the art can be more preferable geographical
The solution present invention can be simultaneously practiced, but illustrated embodiment is not as a limitation of the invention.
The selection of the reagent and material:
Hydroxylating fullerene is purchased from Suzhou An Di nanosecond science and technology Co., Ltd.
Other chemical reagent used in embodiment are pure (AR) grade of analysis, purchased from Suzhou City's connection system instrument and meter examination
Agent Co., Ltd.
Embodiment
The anhydrous high efficiency coolant for present embodiments providing a kind of hydroxyl fullerene is prepared by following method
It obtains:
A. the hydroxylating fullerene C of 0.5g is weighed60It is dissolved into distilled water, 90g1,2- third is added to being completely dissolved in stirring
Glycol, vacuum distillation remove distilled water, and solvent displacement obtains hydroxylating fullerene C60Propylene glycol solution, in this solution plus
Enter enough anhydrous cupric sulfates, to remove remaining moisture, obtains coolant liquid basal liquid；
B. 3g methyl benzotriazazole and 3g dipropylene glycol monoethyl ether, 2g sorbierite are weighed, the basal liquid of a step is added to
In, 40 DEG C~60 DEG C constant temperature stir to being completely dissolved, obtain mixed liquor X；
C. it weighs 0.6g triethanolamine to be added in the mixed liquor X of b step, stirs, obtain mixed liquor Y；
D. it weighs the poly- part defoaming of 1g polyoxypropylene ethylene oxide glycerin ether to be added in the mixed liquor Y of step c, stirs, obtain
To mixed liquor Z；
E. it weighs 0.4g sodium hydroxide to be added in the mixed liquor Z of Step d, stir to being completely dissolved, obtain described containing hydroxyl
The anhydrous high efficiency coolant of base fullerene.
Comparative example
Select commercially available KG007 type coolant liquid as a comparison case.
Performance test
To oil consumption, the discharge, oil temperature of the coolant liquid of embodiment and comparative example in Medium or severe type load commercial engines
Etc. indexs carry out using test, the major parameter for testing engine used is shown in Table 1.
The experiment of table 1 major parameter of engine
| Type | CA4DLD-17E4R |
| Pattern | Four stroke of in-line four cylinder, four air valve charge inter cooling water cooling |
| Discharge capacity | 4.39L |
| Cylinder diameter | 108mm |
| Stroke | 120mm |
| Nominal power | 125kW |
| Rated engine speed | 2500rpm |
| Peak torque | 600Nm |
| Maximum torque point revolving speed | 1300~1700rpm |
| Idling | 700rpm |
| Compression ratio | 17.5:1 |
| Discharge | GB17691-2005 IV stage of China |
| Fuel system type | DENSO CR |
Each index test Comparative result is as follows:
1. oil consumption Comparative result
When rack cooling cycle temperature is set in 85 DEG C, KG007 type coolant liquid and lubricating oil composition are in LV14 dot cycle
Weighting oil consumption under operating condition is 17.88L/100Km, reduces by 2.57% in replacement 1 coolant liquid rear weight oil consumption of embodiment；Work as cooling
When circulating temperature is set in 100 DEG C, it is 17.72L/100Km that KG007 type coolant liquid, which weights oil consumption, after replacing C-HA type coolant liquid
Oil consumption reduces by 1.17%.
2.NOx discharge comparison
The emission result of LV14 operating point cyclic test is shown: cooling cycle temperature is controlled at 85 DEG C, and embodiment 1 is cooling
Liquid system NOx emission result averagely increases by 3.08% compared with KG007 type coolant liquid, and cooling cycle temperature is controlled at 100 DEG C, implements
The cooling liquid system NOx emission result of example 1 averagely reduces by 4.17% compared with KG007 type coolant liquid.
3. temperature comparisons
The situation of change of engine coolant temperature, oil temperature and delivery temperature has mainly been monitored in this test,
LV14 operating condition dot cycle, under mutually synthermal control condition, 1 coolant liquid of embodiment will be lower than KG007 in same operating point temperature
Type coolant temperature, with the delivery temperature under operating condition with KG007 type coolant liquid than keeping fair or slightly lower, oil temperature wants high by 5
DEG C or so.
Based on above-mentioned test data it is found that the anhydrous high efficiency coolant of hydroxyl fullerene of the invention, in oil consumption, is arranged
It puts, the comprehensive performance in the indexs such as oil temperature is substantially better than KG007 type coolant liquid in the market.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (10)
1. the water-free cooling of hydroxyl fullerene, which is characterized in that by weight, including following components: dihydric alcohol 50
~92 parts, subtract thick dose 1~10 part, 1~10 part of moisturizer, 1~10 part of defoaming agent, hydroxylating fuller olefinic carbon 60 .01~1 part, metallic blunt
Change 0.01~6 part of corrosion inhibiter, 0.01~2 part of antioxidant, 0.01~4 part of neutralizer；The hydroxylating fullerene is fullerene
C60Hydroxylation derivative, fullerene C70One or more of hydroxylation derivative, high fullerene hydroxylation derivative.
2. the water-free cooling of hydroxyl fullerene as described in claim 1, which is characterized in that the hydroxylating fullerene
In, the number of hydroxyl is 20-32.
3. the water-free cooling of hydroxyl fullerene as described in claim 1, which is characterized in that the dihydric alcohol is 1,2-
One or more of butanediol, 1,3 butylene glycol, 1,4- butanediol, 1,2- propylene glycol, 1,3- propylene glycol, ethylene glycol.
4. the water-free cooling of hydroxyl fullerene as described in claim 1, which is characterized in that described to subtract thick dose as dipropyl
2-ethoxyethanol.
5. the water-free cooling of hydroxyl fullerene as described in claim 1, which is characterized in that the moisturizer is sweet
One or more of oil, propylene glycol, D-sorbite, silicone oil fatty alcohol, polypropylene glycol, xylitol.
6. the water-free cooling of hydroxyl fullerene as described in claim 1, which is characterized in that the defoaming agent is sorb
Alcohol, dimethyl silicone polymer, polyoxypropylene ethylene oxide glycerin ether are one or more of poly-.
7. the water-free cooling of hydroxyl fullerene as described in claim 1, which is characterized in that the metal passivation is slow
Erosion agent be methyl benzotriazazole, propyl benzotriazole, benzotriazole, molybdate, nitrite, chromate, phosphate,
One or more of the amine of nitrous acid two.
8. the water-free cooling of hydroxyl fullerene as described in claim 1, which is characterized in that the antioxidant is three
Ethanol amine.
9. the water-free cooling of hydroxyl fullerene as described in claim 1, which is characterized in that the neutralizer is hydrogen-oxygen
Change one or both of sodium, potassium hydroxide.
10. the preparation method of the water-free cooling of -9 described in any item hydroxyl fullerenes according to claim 1, feature
It is, comprising the following steps:
A. it weighs 0.01~1 part of hydroxylating fullerene to be dissolved into distilled water, stirring is added 50~92 part two to being completely dissolved
First alcohol, vacuum distillation remove distilled water, and solvent displacement obtains hydroxylating fullerene polyhydric alcohol solutions, is added in this solution
Enough anhydrous cupric sulfates obtain coolant liquid basal liquid to remove remaining moisture；
B. it weighs 0.01~6 part of metal passivation corrosion inhibiter and 1~10 part subtracts thick dose, 1~10 part of moisturizer, be added to a step
In basal liquid, 40 DEG C~60 DEG C constant temperature stir to being completely dissolved, obtain mixed liquor X；
C. it weighs 0.01~2 part of antioxidant to be added in the mixed liquor X of b step, stirs, obtain mixed liquor Y；
D. 1-10 parts of defoamings are weighed to be added in the mixed liquor Y of step c, stirs, obtains mixed liquor Z；
E. it weighs 0.01~4 part of neutralizer to be added in the mixed liquor Z of Step d, stirs to being completely dissolved, obtain the hydroxyl
Change the water-free cooling of fullerene.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114317089A (en) * | 2021-12-17 | 2022-04-12 | 厦门福纳新材料科技有限公司 | Fullerene-based water-soluble composite working solution for wire-cut electrical discharge machining and preparation method thereof |
| CN114605979A (en) * | 2022-01-28 | 2022-06-10 | 东北石油大学 | Calcium carbonate scale inhibitor for oil field and preparation method thereof |
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