CN107142092A - Modified graphene ethylene glycol type engine coolant - Google Patents
Modified graphene ethylene glycol type engine coolant Download PDFInfo
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- CN107142092A CN107142092A CN201710545163.1A CN201710545163A CN107142092A CN 107142092 A CN107142092 A CN 107142092A CN 201710545163 A CN201710545163 A CN 201710545163A CN 107142092 A CN107142092 A CN 107142092A
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- ethylene glycol
- modified graphene
- engine coolant
- dimethicone
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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
Abstract
A kind of modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is comprised at least in parts by weight：10 50 parts of ethylene glycol, 15 parts of potassium citrate, 1 10 parts of dimethicone, 0.1 8 parts of sorbierite, 0.01 0.5 parts of boric acid, 15 parts of borax, 5 10 parts of pentaerythrite, 1 10 parts of Benzotriazole Derivative, 0.1 10 parts of mould inhibitor, 1 20 parts of nitrate, 5 15 parts of silicate, 1 10 parts of decanedioic acid, 2 15 parts of isooctyl acid, 0.001 10 parts of modified graphene, 20 50 parts of deionized water.
Description
Technical field
The present invention relates to the fields such as auto industry, engineering machinery, farm machinery, more particularly to a kind of modified graphene second two
Alcohol type engine coolant.
Background technology
Engine is the heart of vehicle, and power is provided for the safe operation of vehicle, is played in terms of the performance quality of vehicle
Decisive role.Particularly under the motive force that automotive light weight technology technology is developed rapidly, modern automobile industry field is to starting
The requirement more and more higher of machine, thus causes the problems faced in terms of the maintenance of engine also increasingly severeer.
Cooling system, be exactly engine maintain normal work operating an important accessory system, be engine can not or
Scarce part.The developing direction of Hyundai Motor field engine tends to densification, specific power bigizationner, so as to cause to start
The working strengthening degree of machine is higher, and the heat produced during engine fast turn-around is more, and heat flow density is bigger, and this is also just to cooling
The operating efficiency of system proposes higher requirement.
Cooling system ensure that the heat of whole system to be spread out with endothermic process identical speed, reach phase
To thermal balance, maintain engine and the suitable operating temperature of transmission device, and ensure that engine is real rapidly in cold start-up
Existing normal work, directly affects fuel economy, acceleration, reliability and the service life of engine.Cooling system energy
Reduction aeration quantity, the reduction phenomenon such as volumetric efficiency and pinking caused by engine overheat are enough prevented, and prevents moving component
Damage, the oxidation deterioration of lubricant grease and generate paint film.
The cooling of engine is made up of in terms of the type of cooling air-cooled and water cooling two parts, and automobile is typically cold but using liquid,
The circulation of liquid is carried out by substantial amounts of pipeline in engine and path.
Engine coolant is the heat transfer medium in cooling system, is referred to cooling, anti-corrosion, antiscale, antifreeze effect
Added with the engine coolant of antifreezing agent.Coolant is commonly called as " anti-icing fluid " or " non-freezing solution ", traditional coolant it is main by water, it is anti-
Freeze agent and various additives (based on corrosion inhibiter, supplemented by buffer, scale preventative, defoamer and colouring agent) composition.
Common water type can meet the cooling requirement of engine low load operation, but it is anti-to solve (less than 0 DEG C) of low temperature
Freeze and etch-proof problem.Forefathers add inorganic salts (such as iron chloride, calcium chloride, sodium chloride), polysaccharide in coolant
The trial of class (such as honey, sucrose, starch) is not good and fail because of its anticorrosive property or thermal stability；Unary alcohol (methanol,
Ethanol etc.) once once it had been used widely because its reduction freezing point effect is good, finally because its low boiling point, flash-point are low, volatile, easy
The shortcomings of catching fire is eliminated；Dihydric alcohol h type engine h coolant have low freezing point, higher boiling, chemical stability preferably etc. characteristic,
Using relatively broad.
Graphene is a kind of quasi- two-dimensional material of only one of which atomic layer level thickness, carbon atom it is regular be arranged in cellular point
Among battle array construction unit.Each carbon atom in addition to being connected with three carbon atoms of σ keys and other, remaining pi-electron and other
The pi-electron formation big pi bond of delocalization of carbon atom.The unique monoatomic layer structure of graphene, determines that it possesses many excellent things
Rationality matter.As it was previously stated, each carbon atom in graphene has the pi-electron of a non-bonding, these electronics can be formed and put down
The vertical π tracks in face, pi-electron can be moved freely in this long-range π tracks, so as to impart the outstanding electric conductivity of graphene
Energy.Because each carbon atom in graphene is combined into very strong σ keys with three adjacent carbon atoms, therefore graphene is same
Show excellent mechanical property.Graphene is equally a kind of excellent heat conductor.
With the continuous improvement of engine power, the continuous diminution of volume, the strict control of discharge, thermic load and correlation
Integrity problem becomes more and more prominent, and the importance of cooling system is growing day by day.Existing engine cooling medium is due to depositing
The shortcomings of low boiling point and poor thermal conductivity, it is impossible to meet the use requirement of advanced engine.Accordingly, it would be desirable to a kind of stability
Good, the strong cooling medium of exchange capability of heat is used for engine-cooling system.
The content of the invention
In order to solve prior art problem, the first aspect of the present invention provides a kind of modified graphene ethylene glycol type engine
Coolant, the preparing raw material of the engine coolant is comprised at least in parts by weight：10-50 parts of ethylene glycol, potassium citrate
1-5 parts, 1-10 parts of dimethicone, 0.1-8 parts of sorbierite, 0.01-0.5 parts of boric acid, 1-5 parts of borax, 5-10 parts of pentaerythrite,
1-10 parts of Benzotriazole Derivative, 0.1-10 parts of mould inhibitor, 1-20 parts of nitrate, 5-15 parts of silicate, 1-10 parts of decanedioic acid,
2-15 parts of isooctyl acid, 0.001-10 parts of modified graphene, 20-50 parts of deionized water.
In some embodiments, the preparing raw material of the engine coolant in parts by weight, is comprised at least：Second two
10-40 parts of alcohol, 1-4 parts of potassium citrate, 1-8 parts of dimethicone, 0.1-5 parts of sorbierite, 0.01-0.3 parts of boric acid, borax 1-3
Part, 5-9 parts of pentaerythrite, 1-8 parts of Benzotriazole Derivative, 0.1-8 parts of mould inhibitor, 1-15 parts of nitrate, silicate 5-10
Part, 1-8 parts of decanedioic acid, 2-10 parts of isooctyl acid, 0.001-8 parts of modified graphene, 25-40 parts of deionized water.
In some embodiments, the preparing raw material of the engine coolant in parts by weight, is comprised at least：Second two
25 parts of alcohol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, 7 parts of pentaerythrite, benzo
4 parts of triazole derivatives, 3 parts of mould inhibitor, 10 parts of nitrate, 8 parts of silicate, 5 parts of decanedioic acid, 8 parts of isooctyl acid, modified graphene
0.01 part, 30 parts of deionized water.
In some embodiments, the weight average molecular weight of the dimethicone is 5000~50000.
In some embodiments, the weight average molecular weight of the dimethicone is 10000~30000.
In some embodiments, the Benzotriazole Derivative is the BTA containing methyl.
In some embodiments, the Benzotriazole Derivative is the BTA containing two methyl.
In some embodiments, the Benzotriazole Derivative is 5,7- dimethyl -1H- BTAs.
In some embodiments, the modified graphene is sorbierite modified graphene.
The second aspect of the present invention provides a kind of preparation method of modified graphene ethylene glycol type engine coolant, prepares
Step is as follows：1-10 parts of decanedioic acid, 2-15 parts of isooctyl acid, 0.01-0.5 parts of boric acid are added in a reservoir, after stirring, then are added
Enter 0.1-8 parts of sorbierite, 5-10 parts of pentaerythrite, 0.001-10 parts of modified graphene, after stirring, add ethylene glycol
10-50 parts, after stirring, add 1-5 parts of potassium citrate, 1-10 parts of dimethicone, 1-5 parts of borax, BTA
1-10 parts of derivative, 0.1-10 parts of mould inhibitor, 1-20 parts of nitrate, 5-15 parts of silicate, 20-50 parts of deionized water, continue to stir
2h is mixed, is produced.
Embodiment
The participation in the election detailed description of the invention below for being preferable to carry out method and including embodiment this hair can be more easily understood
Bright content.Unless otherwise defined, all technologies used herein and scientific terminology have common with art of the present invention
The identical implication that technical staff is generally understood that.When there is contradiction, the definition in this specification is defined.
As used herein term " by ... prepare " it is synonymous with "comprising".Term "comprising" used herein, " comprising ",
" having ", " containing " or its any other deformation, it is intended that cover including for non-exclusionism.For example, the combination comprising listed elements
Thing, step, method, product or device are not necessarily limited to those key elements, but can include not expressly listed other key elements or
Such a composition, step, method, product or the intrinsic key element of device.
Conjunction " Consists of " excludes any key element do not pointed out, step or component.If be used in claim, this
Phrase will make claim be closed, it is not included the material in addition to materials of those descriptions, but relative normal
Except rule impurity.When being rather than immediately following in the clause that phrase " Consists of " appears in claim main body after theme,
It is only limited to the key element described in the clause；Other key elements are not excluded outside as the overall claim.
Equivalent, concentration or other values or parameter are excellent with scope, preferred scope or a series of upper limit preferred values and lower limit
During the Range Representation that choosing value is limited, this, which is appreciated that, specifically discloses by any range limit or preferred value and any scope
All scopes that any pairing of lower limit or preferred value is formed, regardless of whether whether the scope separately discloses.For example, when open
During scope " 1 to 5 ", described scope should be interpreted as including scope " 1 to 4 ", " 1 to 3 ", " 1 to 2 ", " 1 to 2 and 4 to
5 ", " 1 to 3 and 5 " etc..When number range is described herein, unless otherwise indicated, otherwise the scope is intended to include its end
Value and all integers and fraction within the range.
Singulative includes plural number and object is discussed, unless the context clearly dictates otherwise." optional " or it is " any
It is a kind of " refer to that the item or event that describe thereafter may or may not occur, and the description include situation that event occurs and
The situation that event does not occur.
Approximate term in specification and claims is used for modifying quantity, represents that the present invention is not limited to this specific
Quantity, includes the part of the amendment of the acceptable change without cause related basic function close to the quantity.Phase
Answer, modify a numerical value with " about ", " about " etc., mean that the invention is not restricted to the exact numerical.In some examples, approximately
Term likely corresponds to the precision of the instrument of measured value.In present specification and claims, scope is limited can be with
Combine and/or exchange, these scopes include all subranges contained therebetween if not stated otherwise.
In addition, the indefinite article " one kind " and " one " before key element of the present invention or component are to key element or the quantitative requirement of component
(i.e. occurrence number) unrestriction.Therefore " one " or " one kind " should be read as including one or at least one, and odd number
The key element or component of form also include plural form, unless the obvious purport of the quantity refers to singulative.
Coolant is mainly made up of basal liquid and various additives.The basal liquid of prior art includes water, antifreezing agent.
The main body of coolant is water.60% of heat produced by system needs to take away by cooling system.The specific heat of material
Hold and thermal conductivity factor is higher, the heat more multiple speed that temperature absorbs when raising is faster, and heat transfer property is better.Water be all liquid and
Specific heat capacity maximum and the higher material of thermal conductivity factor in solid matter.Because there is associated molecule in water, when water is heated
Consume considerable heat to dissociate associated molecule, then raise just the temperature of water.This big characteristic of the specific heat of water makes
It is suitable as the heat transfer medium of engine coolant.Moreover, water is made into the certain density aqueous solution with ethylene glycol is more conducive to hair
Antifreeze effect is waved.
In general, pure water type coolant is not suitable in the northern area of China use in winter.Low temperature icing volumetric expansion, water
Case and cooling system pipeline are easily by bursting by freezing.The boiling point of water-ethylene glycol mixed liquor gradually increases with the increase of ethylene glycol content,
And freezing point increases afterwards as the increase of ethylene glycol content first reduces, it can just be reached the freezing point as -25 when content 40vol%
DEG C cooling effect, content be 55vol% when cooling effect preferably, reach -50 DEG C.
The first aspect of the present invention provides a kind of modified graphene ethylene glycol type engine coolant, the engine cool
The preparing raw material of liquid in parts by weight, is comprised at least：10-50 parts of ethylene glycol, 1-5 parts of potassium citrate, dimethicone 1-10
Part, 0.1-8 parts of sorbierite, 0.01-0.5 parts of boric acid, 1-5 parts of borax, 5-10 parts of pentaerythrite, Benzotriazole Derivative 1-10
Part, 0.1-10 parts of mould inhibitor, 1-20 parts of nitrate, 5-15 parts of silicate, 1-10 parts of decanedioic acid, 2-15 parts of isooctyl acid, modified stone
Black alkene 0.001-10 parts, 20-50 parts of deionized water.
In some embodiments, the preparing raw material of the engine coolant in parts by weight, is comprised at least：Second two
10-40 parts of alcohol, 1-4 parts of potassium citrate, 1-8 parts of dimethicone, 0.1-5 parts of sorbierite, 0.01-0.3 parts of boric acid, borax 1-3
Part, 5-9 parts of pentaerythrite, 1-8 parts of Benzotriazole Derivative, 0.1-8 parts of mould inhibitor, 1-15 parts of nitrate, silicate 5-10
Part, 1-8 parts of decanedioic acid, 2-10 parts of isooctyl acid, 0.001-8 parts of modified graphene, 25-40 parts of deionized water.
In some embodiments, the preparing raw material of the engine coolant in parts by weight, is comprised at least：Second two
25 parts of alcohol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, 7 parts of pentaerythrite, benzo
4 parts of triazole derivatives, 3 parts of mould inhibitor, 10 parts of nitrate, 8 parts of silicate, 5 parts of decanedioic acid, 8 parts of isooctyl acid, modified graphene
0.01 part, 30 parts of deionized water.
Silicate of the present invention, its instantiation includes but is not limited to sodium metasilicate, potassium metasilicate.
The instantiation of mould inhibitor includes but is not limited to saccharic acid, sodium benzoate.
The performance of coolant is largely determined by corrosion inhibiter.By chemical composition, can be divided into inorganic type corrosion inhibiter and
Two kinds of organic type corrosion inhibiter.Inorganic type corrosion inhibiter mainly has nitrite/nitrate, chromate/bichromate, phosphate, silicon
Hydrochlorate, borate, molybdate, arsenical etc.；Organic inhibitor mainly has amine, aldehydes, alkynol class, organophosphor/vulcanization
Compound, carboxylic acid and its salt, sulfonic acid and its salt, heterocyclic compound etc..
By corrosion inhibiter to electrode process, corrosion inhibiter is divided into anode suppressive corrosion inhibiter, negative electrode suppressive corrosion inhibiter and mixing
The class of inhibition corrosion inhibiter three.Anodic corrosion inhibitor acts on anode metal, and the anion of corrosion inhibiter shifts to anode, increase anode pole
Change, be that corrosion potential is shuffled, so that anode metal is passivated, there is chromate, nitrite, silicate etc.；Cathode type corrosion inhibiter
Cathodic process can be slowed down, the overpotential that increase hydrogen is separated out, be corrosion potential to negative movement, cation is shifted to cathode surface and may be used also
To form the precipitation diaphragm of chemistry or electrochemistry, there are Quadrafos, arsenic ion, antimony ion etc.；As its name suggests, mixed type inhibition
Agent plays inhibitory action simultaneously to negative electrode and anode, and corrosion current can be obviously reduced, the organic compounds category of mainly nitrogenous/sulphur.
If anodic corrosion inhibitor consumption is not enough, fully comprehensive diaphragm can not be formed in anode surface, is formed on the contrary
The corrosion cell of the big negative electrode of primary anode, accelerated corrosion.Cathode type corrosion inhibiter is that usage amount deficiency also will not accelerated corrosion.
By formed diaphragm, corrosion inhibiter is divided into type oxide film corrosion inhibiter, precipitation membranous type corrosion inhibiter, adsorbed film type corrosion inhibiter
Three classes.The direct or indirect oxidized metal of type oxide film corrosion inhibiter, forms layer of metal sull, prevents corrosion reaction from entering
OK.This kind of corrosion inhibiter mainly for can passive metal in nonacidic solutions have good protection act on.
Precipitation membranous type corrosion inhibiter can form etch-proof precipitation membrane with the ionic reaction in medium and in metal surface, and it is thick
Spend and be continuously increased with the reaction of corrosion inhibiter component present in medium and its corresponding co-precipitation ion, typically than thickness of oxidation film,
Easily cause fouling, compactness and adhesive force are also poorer than oxide-film, so the corrosion mitigating effect of this kind of corrosion inhibiter is not so good as type oxide film.
There is polar group in adsorbed film type inhibitor molecular, metal surface can be changed in metal surface absorption film-forming
Hydrophobic grouping in property, and molecule hinders water and depolarizing agent to reach metal surface, so as to realize inhibition.Film is very thin, but
Stability is slightly worse.
Boiling point, the viscosity ratio for the ethylene glycol type engine coolant that the present invention is provided are more moderate, reduce the effect ratio of freezing point
Preferably.Appropriate inorganic salts and organic acid are added in the engine coolant, and inorganic salts are mainly blunt with metal reaction by itself
Change, generation passivating film reaches the protection to metal, has the disadvantage that depletion rate is fast.Organic acid mainly passes through the active table in metal
Face is adsorbed, so as to change the electrochemical properties of metal surface, to prevent corrosion of metal, durability is strong, depletion rate ratio
It is slower.The ethylene glycol type engine coolant that the present invention is provided is by organic inhibitor, inorganic inhibitor, oxidized form corrosion inhibiter, heavy
Shallow lake type corrosion inhibiter, which combines, to be used.The advantage of all types of corrosion inhibiter is made full use of, it is aoxidized, precipitation, energy of adsorption inhibition mechanism
Comprehensive function is produced, preferable protection can not only be produced to metal, can also extend durability, keep long-acting protection.
In some embodiments, the weight average molecular weight of the dimethicone is 5000~50000.
In some embodiments, the weight average molecular weight of the dimethicone is 10000~30000.
Inventor is had found in research process, and specific point is added in the ethylene glycol type engine coolant containing graphene
The dimethicone of son amount, can adjust the freezing point of ethylene glycol type engine coolant, allow ethylene glycol type engine cool liquid energy
Use at lower temperatures.
In some embodiments, the Benzotriazole Derivative is the BTA containing methyl.
In some embodiments, the Benzotriazole Derivative is the BTA containing two methyl.
In some embodiments, the Benzotriazole Derivative is 5,7- dimethyl -1H- BTAs.
No. CAS of 5,7- dimethyl -1H- BTAs is 49636-63-7, can be bought from Arch Bioscience
Company。
In engine water-cooling system, it is a variety of that coolant will touch red copper, brass, steel, cast iron, cast aluminium, scolding tin simultaneously
Metal, various corrosion of metal behaviors, absorption and passive behavior are also differed, and to realize that the full protection of various metals is accomplished by
Carry out the compounding of corrosion inhibiter.Metal corrosion mechanism in the system of different pH value is different, and flow velocity, temperature of coolant etc. also can shadows
Ring the effect of corrosion inhibiter.
On the premise of effective inhibition is reached, inhibiter consumption is more few better, in the hope of reduction anti-corrosion cost.Most of inhibition
All there is optimal concentration in the use of agent, consumption is excessive or the very few performance for being all unfavorable for corrosion inhibition.For many metals, single group
Point corrosion mitigating effect it is unsatisfactory, it is necessary to carry out the compounding of corrosion inhibiter, and cooperative effect is existed only between some corrosion inhibiter, and
Its consumption realizes that collaboration avoids the problem of antagonism is one very complicated there is also optimal proportion.At present, the cooperation mechanism of corrosion inhibiter
It is unclear, the present invention using the compounding of specific cathode type and anodic corrosion inhibitor, the compounding of different adsorption groups, increase molten
Solve the compounding of dispersiveness, look after the compounding of different metal protection, obtain the formula of this ethylene glycol type engine coolant.
5,7- dimethyl -1H- BTAs are for copper and copper alloy, and the bivalent cupric ion on its surface is with covalent bond
Hydrogen on form substitution nitrogen, while the triazole ring in the form of coordinate bond with another 5,7- dimethyl -1H- BTA
In nitrogen-atoms formation coordination on 3 positions.Methyl on 5 and 7 is uprised by the cloud density on ring, enhances covalent bond
With the intensity of coordinate bond alternate form formation protection film layer, extraordinary anticorrosive effect is served.And with other inorganic
Salt or organic acid produce long-acting lasting corrosion resistance to each metalloid and its oxide.
In some embodiments, the modified graphene is sorbierite modified graphene.
In some embodiments, the weight part ratio of the sorbierite and graphene is (3~5)：1.
In some embodiments, the weight part ratio of the sorbierite and graphene is 4：1.
The preparation method of modified graphene is to disperse the graphene of 10 parts by weight in ultra-pure water, obtain mass concentration
For 8mg/mL disperse system, the 30wt% of 10 parts by weight aqueous hydrogen peroxide solution is added, is sufficiently stirred for, 30~50 are added
The sorbierite of parts by weight, ultrasonic 20min is stirred for 1h, filtering, is dried in vacuo 12h, produces.
In the graphene glycol-cooled liquid that the present invention is provided, cooling can not only be improved using sorbierite modified graphene
Liquid stability, stability particularly at low temperature, additionally it is possible to improve the heat conductivility of coolant.The collective effect of each component
Under, the extent of corrosion of cooling system is preferably minimized.Inventor's discovery, can with the sorbierite modified graphene of special ratios
Compatibility of the graphene in ethylene glycol type anti-icing fluid, the particularly compatibility under low temperature are improved, and then improves the steady of anti-icing fluid
It is qualitative.
The second aspect of the present invention provides a kind of preparation method of modified graphene ethylene glycol type engine coolant, prepares
Step is as follows：1-10 parts of decanedioic acid, 2-15 parts of isooctyl acid, 0.01-0.5 parts of boric acid are added in a reservoir, after stirring, then are added
Enter 0.1-8 parts of sorbierite, 5-10 parts of pentaerythrite, 0.001-10 parts of modified graphene, after stirring, add ethylene glycol
10-50 parts, after stirring, add 1-5 parts of potassium citrate, 1-10 parts of dimethicone, 1-5 parts of borax, BTA
1-10 parts of derivative, 0.1-10 parts of mould inhibitor, 1-20 parts of nitrate, 5-15 parts of silicate, 20-50 parts of deionized water, continue to stir
2h is mixed, is produced.
The present invention is expanded on further with reference to specific embodiment.
Embodiment 1
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：25 parts of ethylene glycol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, season penta
7 parts of tetrol, 4 parts of 5,7- dimethyl -1H- BTAs, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, decanedioic acid
5 parts, 8 parts of isooctyl acid, 0.01 part of modified graphene, 30 parts of deionized water.The weight average molecular weight of the dimethicone is
20000。
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite, 0.01 part of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, the nitrogen of 5,7- dimethyl -1H- benzos three
4 parts of azoles, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
The preparation method of modified graphene is to disperse the graphene of 10 parts by weight in ultra-pure water, obtain mass concentration
For 8mg/mL disperse system, the 30wt% of 10 parts by weight aqueous hydrogen peroxide solution is added, is sufficiently stirred for, add 40 weight
The sorbierite of part, ultrasonic 20min is stirred for 1h, filters, and is dried in vacuo 12h, produces.
Embodiment 2
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：40 parts of ethylene glycol, 4 parts of potassium citrate, 8 parts of dimethicone, 5 parts of sorbierite, 0.3 part of boric acid, 3 parts of borax, season penta
9 parts of tetrol, 8 parts of 5,7- dimethyl -1H- BTAs, 8 parts of sodium benzoate, 15 parts of sodium nitrate, 10 parts of sodium metasilicate, the last of the ten Heavenly stems two
8 parts of acid, 10 parts of isooctyl acid, 8 parts of modified graphene, 48 parts of deionized water.The weight average molecular weight of the dimethicone is
20000。
Preparation method, preparation process is as follows：8 parts of decanedioic acid, 10 parts of isooctyl acid, 0.3 part of boric acid, stirring are added in a reservoir
After uniform, 5 parts of sorbierite, 9 parts of pentaerythrite, 8 parts of modified graphene are added, after stirring, 40 parts of ethylene glycol is added,
After stirring, 4 parts of potassium citrate, 8 parts of dimethicone, 3 parts of borax, 5,7- dimethyl -1H- BTAs 8 are added
Part, 8 parts of sodium benzoate, 15 parts of sodium nitrate, 10 parts of sodium metasilicate, 48 parts of deionized water, continue to stir 2h, produce.
The preparation method of modified graphene is to disperse the graphene of 10 parts by weight in ultra-pure water, obtain mass concentration
For 8mg/mL disperse system, the 30wt% of 10 parts by weight aqueous hydrogen peroxide solution is added, is sufficiently stirred for, add 40 weight
The sorbierite of part, ultrasonic 20min is stirred for 1h, filters, and is dried in vacuo 12h, produces.
Embodiment 3
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：25 parts of ethylene glycol, 1 part of potassium citrate, 1 part of dimethicone, 0.1 part of sorbierite, 0.01 part of boric acid, 1 part of borax,
5 parts of pentaerythrite, 1 part of 5,7- dimethyl -1H- BTAs, 0.1 part of sodium benzoate, 1 part of sodium nitrate, 5 parts of sodium metasilicate,
1 part of decanedioic acid, 2 parts of isooctyl acid, 10 parts of modified graphene, 30 parts of deionized water.The weight average molecular weight of the dimethicone is
20000。
Preparation method, preparation process is as follows：1 part of decanedioic acid, 2 parts of isooctyl acid, 0.01 part of boric acid, stirring are added in a reservoir
After uniform, 0.1 part of sorbierite, 5 parts of pentaerythrite, 10 parts of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 1 part of potassium citrate, 1 part of dimethicone, 1 part of borax, the nitrogen of 5,7- dimethyl -1H- benzos three
1 part of azoles, 0.1 part of sodium benzoate, 1 part of sodium nitrate, 5 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
The preparation method of modified graphene is to disperse the graphene of 10 parts by weight in ultra-pure water, obtain mass concentration
For 8mg/mL disperse system, the 30wt% of 10 parts by weight aqueous hydrogen peroxide solution is added, is sufficiently stirred for, add 40 weight
The sorbierite of part, ultrasonic 20min is stirred for 1h, filters, and is dried in vacuo 12h, produces.
Embodiment 4
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：25 parts of ethylene glycol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, season penta
7 parts of tetrol, 4 parts of 5,7- dimethyl -1H- BTAs, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, decanedioic acid
5 parts, 8 parts of isooctyl acid, 0.01 part of modified graphene, 30 parts of deionized water.The weight average molecular weight of the dimethicone is
30000。
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite, 0.01 part of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, the nitrogen of 5,7- dimethyl -1H- benzos three
4 parts of azoles, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
The preparation method of modified graphene is to disperse the graphene of 10 parts by weight in ultra-pure water, obtain mass concentration
For 8mg/mL disperse system, the 30wt% of 10 parts by weight aqueous hydrogen peroxide solution is added, is sufficiently stirred for, add 40 weight
The sorbierite of part, ultrasonic 20min is stirred for 1h, filters, and is dried in vacuo 12h, produces.
Embodiment 5
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：25 parts of ethylene glycol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, season penta
7 parts of tetrol, 4 parts of 5,7- dimethyl -1H- BTAs, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, decanedioic acid
5 parts, 8 parts of isooctyl acid, 0.01 part of modified graphene, 30 parts of deionized water.The weight average molecular weight of the dimethicone is
50000。
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite, 0.01 part of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, the nitrogen of 5,7- dimethyl -1H- benzos three
4 parts of azoles, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
The preparation method of modified graphene is to disperse the graphene of 10 parts by weight in ultra-pure water, obtain mass concentration
For 8mg/mL disperse system, the 30wt% of 10 parts by weight aqueous hydrogen peroxide solution is added, is sufficiently stirred for, add 40 weight
The sorbierite of part, ultrasonic 20min is stirred for 1h, filters, and is dried in vacuo 12h, produces.
Embodiment 6
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：25 parts of ethylene glycol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, season penta
7 parts of tetrol, 4 parts of 5,7- dimethyl -1H- BTAs, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, decanedioic acid
5 parts, 8 parts of isooctyl acid, 0.01 part of modified graphene, 30 parts of deionized water.The weight average molecular weight of the dimethicone is 5000.
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite, 0.01 part of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, the nitrogen of 5,7- dimethyl -1H- benzos three
4 parts of azoles, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
The preparation method of modified graphene is to disperse the graphene of 10 parts by weight in ultra-pure water, obtain mass concentration
For 8mg/mL disperse system, the 30wt% of 10 parts by weight aqueous hydrogen peroxide solution is added, is sufficiently stirred for, add 40 weight
The sorbierite of part, ultrasonic 20min is stirred for 1h, filters, and is dried in vacuo 12h, produces.
Embodiment 7
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：25 parts of ethylene glycol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, season penta
7 parts of tetrol, 4 parts of 5,7- dimethyl -1H- BTAs, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, decanedioic acid
5 parts, 8 parts of isooctyl acid, 0.01 part of modified graphene, 30 parts of deionized water.The weight average molecular weight of the dimethicone is
20000。
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite, 0.01 part of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, the nitrogen of 5,7- dimethyl -1H- benzos three
4 parts of azoles, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite, 0.01 part of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, the nitrogen of 5,7- dimethyl -1H- benzos three
4 parts of azoles, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 16 parts of deionized water, continue to stir 2h, produce.
Embodiment 8
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：25 parts of ethylene glycol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, season penta
7 parts of tetrol, 4 parts of 5,7- dimethyl -1H- BTAs, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, decanedioic acid
5 parts, 8 parts of isooctyl acid, 0.01 part of modified graphene, 30 parts of deionized water.The weight average molecular weight of the dimethicone is
20000。
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite, 0.01 part of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, the nitrogen of 5,7- dimethyl -1H- benzos three
4 parts of azoles, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
The preparation method of modified graphene is to disperse the graphene of 10 parts by weight in ultra-pure water, obtain mass concentration
For 8mg/mL disperse system, the 30wt% of 10 parts by weight aqueous hydrogen peroxide solution is added, is sufficiently stirred for, add 50 weight
The sorbierite of part, ultrasonic 20min is stirred for 1h, filters, and is dried in vacuo 12h, produces.
Embodiment 9
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：25 parts of ethylene glycol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, season penta
7 parts of tetrol, 4 parts of 5,7- dimethyl -1H- BTAs, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, decanedioic acid
5 parts, 8 parts of isooctyl acid, 0.01 part of modified graphene, 30 parts of deionized water.The weight average molecular weight of the dimethicone is
20000。
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite, 0.01 part of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, the nitrogen of 5,7- dimethyl -1H- benzos three
4 parts of azoles, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
The preparation method of modified graphene is to disperse the graphene of 10 parts by weight in ultra-pure water, obtain mass concentration
For 8mg/mL disperse system, the 30wt% of 10 parts by weight aqueous hydrogen peroxide solution is added, is sufficiently stirred for, add 10 weight
The sorbierite of part, ultrasonic 20min is stirred for 1h, filters, and is dried in vacuo 12h, produces.
Embodiment 10
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：25 parts of ethylene glycol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, season penta
7 parts of tetrol, 4 parts of 5,7- dimethyl -1H- BTAs, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, decanedioic acid
5 parts, 8 parts of isooctyl acid, 0.01 part of modified graphene, 30 parts of deionized water.The weight average molecular weight of the dimethicone is
20000。
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite, 0.01 part of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, the nitrogen of 5,7- dimethyl -1H- benzos three
4 parts of azoles, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
The preparation method of modified graphene is to disperse the graphene of 10 parts by weight in ultra-pure water, obtain mass concentration
For 8mg/mL disperse system, the 30wt% of 10 parts by weight aqueous hydrogen peroxide solution is added, is sufficiently stirred for, add 100 weights
The sorbierite of part is measured, ultrasonic 20min is stirred for 1h, filtered, be dried in vacuo 12h, produce.
Embodiment 11
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：25 parts of ethylene glycol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, season penta
7 parts of tetrol, 4 parts of 5,7- dimethyl -1H- BTAs, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, decanedioic acid
5 parts, 8 parts of isooctyl acid, 0.01 part of graphene, 30 parts of deionized water.The weight average molecular weight of the dimethicone is 20000.
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite, 0.01 part of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, the nitrogen of 5,7- dimethyl -1H- benzos three
4 parts of azoles, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
Embodiment 12
Ethylene glycol type engine coolant, the preparing raw material of the engine coolant in parts by weight, comprising：Second two
25 parts of alcohol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, 7 parts of pentaerythrite, 5,7-
4 parts of dimethyl -1H- BTAs, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 5 parts of decanedioic acid, isooctyl acid 8
Part, 30 parts of deionized water.The weight average molecular weight of the dimethicone is 20000.
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite are added, after stirring, 25 parts of ethylene glycol is added, after stirring, then
Add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, 4 parts of 5,7- dimethyl -1H- BTAs, sodium benzoate 3
Part, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
Embodiment 13
Modified graphene ethylene glycol type engine coolant, the preparing raw material of the engine coolant is according to parts by weight
Meter, comprising：25 parts of ethylene glycol, 3 parts of potassium citrate, 4 parts of dimethicone, 3 parts of sorbierite, 0.1 part of boric acid, 2 parts of borax, season penta
7 parts of tetrol, 4 parts of BTA, 3 parts of sodium benzoate, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 5 parts of decanedioic acid, 8 parts of isooctyl acid,
0.01 part of modified graphene, 30 parts of deionized water.The weight average molecular weight of the dimethicone is 20000.
Preparation method, preparation process is as follows：5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.1 part of boric acid, stirring are added in a reservoir
After uniform, 3 parts of sorbierite, 7 parts of pentaerythrite, 0.01 part of modified graphene are added, after stirring, ethylene glycol 25 is added
Part, after stirring, add 3 parts of potassium citrate, 4 parts of dimethicone, 2 parts of borax, 4 parts of BTA, sodium benzoate 3
Part, 10 parts of sodium nitrate, 8 parts of sodium metasilicate, 30 parts of deionized water, continue to stir 2h, produce.
The preparation method of modified graphene is to disperse the graphene of 10 parts by weight in ultra-pure water, obtain mass concentration
For 8mg/mL disperse system, the 30wt% of 10 parts by weight aqueous hydrogen peroxide solution is added, is sufficiently stirred for, add 30 weight
The sorbierite of part, ultrasonic 20min is stirred for 1h, filters, and is dried in vacuo 12h, produces.
Method of testing
1. freezing point is tested
Freezing point is tested using freezing point instrument.
2. low-temperature stabilization performance is tested
Embodiment 1-13 is placed into 24h at -20 DEG C, -25 DEG C, -30 DEG C, -35 DEG C, -40 DEG C respectively, sees whether occur
Phenomenon of phase separation, the temperature that record phase separation occurs, is still then designated as homogeneous phase for homogeneous phase.
3. high temperature stability performance is tested
Embodiment 1-13 is placed into 24h at 80 DEG C, 100 DEG C respectively, sees whether to be separated, record is separated out
The existing time, still then it is designated as homogeneous phase for homogeneous phase.
4. heat conductivility is tested
Using thermal conductivity factors of the heat conduction coefficient tester testing example 1-13 at 15 DEG C.
5. corrosion-resistant test
According to SH/T 0085-91 glassware corrosion weight-loss method testing example 1-13 to the corrosion feelings of metal testing plate
Condition.Scolding tin is weighed, corrosivity is evaluated with the extent of corrosion of scolding tin, test piece beam is linked to be after weighing, is then fully immersed in
750mL, air mass flow for 100 ± 10mL/min sample in, at 88 ± 2 DEG C test 336 ± 2h.Examination is taken out after off-test
Piece, weighs again after peace and quiet processing, to test mass change value (unit, g) evaluation extent of corrosion of front and rear test piece.
Test result is listed in the table below.
It is described above, it is only the present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto, and is appointed
What those familiar with the art is the invention discloses in the range of, technique according to the invention scheme and inventive concept
It is subject to equivalent substitution or change, belongs to protection scope of the present invention.
Claims (10)
1. a kind of modified graphene ethylene glycol type engine coolant, it is characterised in that the preparation of the engine coolant is former
Material in parts by weight, is comprised at least：10-50 parts of ethylene glycol, 1-5 parts of potassium citrate, 1-10 parts of dimethicone, sorbierite
0.1-8 parts, 0.01-0.5 parts of boric acid, 1-5 parts of borax, 5-10 parts of pentaerythrite, 1-10 parts of Benzotriazole Derivative, mould inhibitor
0.1-10 parts, 1-20 parts of nitrate, 5-15 parts of silicate, 1-10 parts of decanedioic acid, 2-15 parts of isooctyl acid, modified graphene 0.001-
10 parts, 20-50 parts of deionized water.
2. the modified graphene ethylene glycol type engine coolant described in claim 1, it is characterised in that the engine cool
The preparing raw material of liquid in parts by weight, is comprised at least：10-40 parts of ethylene glycol, 1-4 parts of potassium citrate, dimethicone 1-8
Part, 0.1-5 parts of sorbierite, 0.01-0.3 parts of boric acid, 1-3 parts of borax, 5-9 parts of pentaerythrite, Benzotriazole Derivative 1-8
Part, 0.1-8 parts of mould inhibitor, 1-15 parts of nitrate, 5-10 parts of silicate, 1-8 parts of decanedioic acid, 2-10 parts of isooctyl acid, modified graphite
0.001-8 parts of alkene, 25-40 parts of deionized water.
3. the modified graphene ethylene glycol type engine coolant described in claim 1, it is characterised in that the engine cool
The preparing raw material of liquid in parts by weight, is comprised at least：25 parts of ethylene glycol, 3 parts of potassium citrate, 4 parts of dimethicone, sorbierite
3 parts, 0.1 part of boric acid, 2 parts of borax, 7 parts of pentaerythrite, 4 parts of Benzotriazole Derivative, 3 parts of mould inhibitor, 10 parts of nitrate, silicon
8 parts of hydrochlorate, 5 parts of decanedioic acid, 8 parts of isooctyl acid, 0.01 part of modified graphene, 30 parts of deionized water.
4. the modified graphene ethylene glycol type engine coolant described in claim 1, it is characterised in that the dimethicone
Weight average molecular weight be 5000~50000.
5. the modified graphene ethylene glycol type engine coolant described in claim 1, it is characterised in that the dimethicone
Weight average molecular weight be 10000~30000.
6. the modified graphene ethylene glycol type engine coolant described in claim 1, it is characterised in that the BTA
Derivative is the BTA containing methyl.
7. the modified graphene ethylene glycol type engine coolant described in claim 6, it is characterised in that the BTA
Derivative is the BTA containing two methyl.
8. the modified graphene ethylene glycol type engine coolant described in claim 6, it is characterised in that the BTA
Derivative is 5,7- dimethyl -1H- BTAs.
9. the modified graphene ethylene glycol type engine coolant described in claim 1, it is characterised in that the modified graphene
For sorbierite modified graphene.
10. a kind of preparation method of modified graphene ethylene glycol type engine coolant according to claim 1, its feature
It is, preparation process is as follows：1-10 parts of decanedioic acid, 2-15 parts of isooctyl acid, 0.01-0.5 parts of boric acid are added in a reservoir, and stirring is equal
After even, 0.1-8 parts of sorbierite, 5-10 parts of pentaerythrite, 0.001-10 parts of modified graphene are added, after stirring, then is added
Enter 10-50 parts of ethylene glycol, after stirring, add 1-5 parts of potassium citrate, 1-10 parts of dimethicone, 1-5 parts of borax, benzene
And 1-10 parts of triazole derivatives, 0.1-10 parts of mould inhibitor, 1-20 parts of nitrate, 5-15 parts of silicate, deionized water 20-50
Part, continue to stir 2h, produce.
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Inventor after: Lin Bo Inventor after: Luo Jinqiong Inventor after: Hou Guoqing Inventor after: Zhu Binqiang Inventor before: Lin Bo Inventor before: Luo Jinqiong Inventor before: Zhu Binqiang |
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