CN109082328A - Machine oil constituent and preparation method thereof - Google Patents
Machine oil constituent and preparation method thereof Download PDFInfo
- Publication number
- CN109082328A CN109082328A CN201710448433.7A CN201710448433A CN109082328A CN 109082328 A CN109082328 A CN 109082328A CN 201710448433 A CN201710448433 A CN 201710448433A CN 109082328 A CN109082328 A CN 109082328A
- Authority
- CN
- China
- Prior art keywords
- machine oil
- preparation
- aqueous sol
- metal oxide
- constituent
- 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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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/10—Metal oxides, hydroxides, carbonates or bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/26—Compounds containing silicon or boron, e.g. silica, sand
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The present invention provides a kind of machine oil constituent and preparation method thereof, comprising preparing the aqueous sol containing metal oxide the step of the preparation method, machine oil and aqueous sol are mixed, and remove the polarity liquid medium of aqueous sol and obtain machine oil constituent.The preparation method can reduce the damage that the machine oil constituent containing the metal oxide as antiwear additive is generated because contacting oil-dissolving solvent.
Description
Technical field
The invention relates to a kind of machine oil constituent, in particular to it is a kind of metal oxide is configured to it is aqueous molten
The machine oil constituent that glue is formed with being mixed into machine oil.
Background technique
Machine oil is added in gasoline cylinder can allow the various components of engine to keep lubrication, avoid rust corrosion, draw vehicle
It is smooth to hold up maintenance operation.Mostly containing base oil and two kinds of ingredients of additive in well known machine oil, the effect of base oil is to protect
The lubrication between component is held, and additive is then used to make up deficiency of the base oil composition in existing characteristic, or further provides for
The effect of auxiliary, such as detersive, dispersing agent, antioxidant, antirust or anticorrosive additive, viscosity or flow promoters
Or the auxiliary additives such as antiwear additive.
The preparation of above-mentioned additive is main component to be dissolved in organic solvent (specifically oil-soluble is molten mostly
Agent) in be made.For example, it is considered that titanium dioxide has the partial size being well suited to as antiwear additive, to fill up
The gap of gasoline cylinder.The preparation of machine oil containing titanium dioxide at present is that titania powder is mixed in oil-dissolving solvent (example
Such as: the solvent of aromatic series or high carbon number, atoleine or mineral oil), it is further added in machine oil.But because added at present
The titania powder added is mostly micron order, and effect only focuses on removal carbon slag, it is more difficult to effective filling chink, and to cylinder wall
Adsorption capacity is poor, therefore durability is poor.In addition, persistently there is organic solvent in machine oil may destroy the characteristic of base oil, or
Increase a possibility that destroying other additives, and then change the kinematic viscosity of oil product, cylinder is damaged.
Summary of the invention
Take a broad view of aforementioned, the present inventor concentrates on studies through pains, thinks and design a kind of machine oil constituent and its system
Preparation Method replaces well known micron order antiwear additive with nanoscale metal oxide, and does not use oil-dissolving solvent, needle
The missing of the prior art is improved, and then the implementation in enhancement industry utilizes.
In view of above-mentioned known problem, the purpose of the present invention is to propose to a kind of machine oil constituents and preparation method thereof, can
To prepare the machine oil constituent for filling up effect with good gap, and reduce simultaneously known additive oil-soluble solvent for
A possibility that destruction of machine oil composition.
Based on above-mentioned purpose, the present invention provides a kind of preparation method of machine oil constituent, it includes: by metal oxide
Polarity liquid medium is scattered in form aqueous sol;Machine oil is mixed with the aqueous sol, with draft machine oil mixture;With
And be evacuated machine oil mixture, machine oil constituent is obtained to remove polarity liquid medium, wherein metal oxide
Comprising titanium dioxide, aluminium oxide or silica, polarity liquid medium includes water or alcohols solvent.
Preferably, machine oil and aqueous sol are mixed with 70g~90g:5mg~30mg ratio.
Preferably, polarity liquid medium includes water, methanol, ethyl alcohol, isopropanol or combinations thereof.
Preferably, metal oxide can account for the 0.1% to 10% of aqueous sol total weight.
Preferably, the partial size of metal oxide is 1nm~500nm in aqueous sol.
Based on above-mentioned purpose, the present invention provides a kind of machine oil constituent again, made by preparation method as described above
It is standby to form.
From the above, machine oil constituent under this invention and preparation method thereof can have the advantages that one or more are following:
(1) present invention is by the way that metal oxide to be formulated in polarity liquid medium, in add enter machine oil after vacuum again
Polarity liquid medium is removed, and oxidizes metal object and remaines in machine oil as antiwear additive, it is molten to reduce oil-soluble whereby
The chance of agent contact machine oil.
(2) machine oil constituent of the invention is worn by filling up the metal oxide in machine oil constituent in gasoline cylinder
The indentation of generation, and when gasoline cylinder is heated, it oxidizes metal object and forms fine and close oxidation film in the indentation, reduction is drawn again
The chance of wound.
In order to allow after above-mentioned purpose, technical characteristic and actual implementation it is incremental become apparent understandable, below will
Corresponding relevant attached drawing is assisted preferably to implement example to be described in more detail.
Detailed description of the invention
Fig. 1 is the preparation step flow chart of machine oil constituent according to the present invention.
Specific embodiment
Referring to Figure 1, it is the preparation step flow chart of machine oil constituent according to the present invention, prepares machine oil of the invention
Constituent may include following steps.
In step S10, by metal oxide dispersion in polarity liquid medium to form aqueous sol, above-mentioned metal oxidation
Object may include titanium dioxide, aluminium oxide or silica, and metal oxide can form aqueous sol after dispersion, wherein with water
Property colloidal sol total restatement, the content of metal oxide is 0.1% to 10% (w/w), but is not limited on implementing, for example,
The implementation for considering following steps S30, can also prepare total restatement with aqueous sol, containing 0.1%, 0.2%, 0.4%, 0.6%,
0.8%, 1%, 1.5%, 2%, 2.5%, 3%, 4%, 5%, 6%, 6.5%, 7%, 7.5%, 8%, 9%, 10% (w/w)
The aqueous sol of metal oxide.
The medium of dispersing metal oxides can be water or the polarity liquid medium of alcohols, and alcoholic medium can be methanol, second
The combination of the alcohols of the low carbon number of alcohol, propyl alcohol, isopropanol or above-mentioned medium, but be not limited in implementation.In implementation, this hair
The polarity liquid medium of bright meaning is can be by metal oxide dispersion in the liquid for wherein forming aqueous sol.
In step S20, machine oil and aqueous sol can be mixed with draft machine oil mixture.The mixing ratio of machine oil and aqueous sol
Example can be 70g~90g:5mg~30mg, it is preferable that can be 70g~90g:5mg~15mg.It is preferably carried out, above-mentioned is mixed
Close can by machine oil with any content and aqueous sol of 70g, 75g, 80g, 85g and 90g with 5mg, 6mg, 7mg, 8mg, 10mg,
Any content of 11mg, 12mg, 14mg and 15mg are obtained by mixing.
In step S30, machine oil mixture can be evacuated, machine oil composition is obtained after removing polarity liquid medium
Object.Above-mentioned vacuum suction is not limited for the purpose of removing the polarity liquid medium in machine oil mixture, but in implementation.
In addition, through experimental example of the invention it has proven convenient that not exclusively removing pole if aqueous sol is less than certain content in machine oil mixture
It also can reach the purpose of the present invention in the case where property liquid medium.
In implementation, in above-mentioned aqueous sol the partial size of metal oxide can be 1nm~500nm, preferably 1nm~100nm,
More preferably 30nm~50nm, to fill up the indentation generated in gasoline cylinder by impurity abrasion.
The present invention more provides a kind of machine oil constituent being prepared by above method.Two according to aqueous sol kenel
The characteristic of titanium oxide, aluminium oxide or silica, machine oil constituent of the invention can be added in gasoline cylinder when cold vehicle, to gasoline
After indentation in cylinder is filled up by metal oxide, metal oxide can form fine and close oxidation film in the environment of high fever,
Reduction scratches again.
It is the specific implementation aspect using titanium dioxide as metal oxide below, however, following signified preparation condition
It is equally applicable to aluminium oxide or silica.
[experimental example 1]
It disperses the titanium dioxide that partial size is 10nm~100nm in alcoholic solution and forms aqueous sol, wherein with aqueous
Total restatement of colloidal sol, the content of titanium dioxide are 0.1%~5% (w/w).By machine oil and aqueous sol with the ratio of 80g:5mg
Mixing, in after mixing being drained alcohol to prepare machine oil constituent with vacuum suction.
[experimental example 2]
Other than machine oil and aqueous sol are mixed with the ratio of 80g:15mg, other conditions are all identical as experimental example 1.
[experimental example 3]
Other than machine oil and aqueous sol are mixed with the ratio of 80g:25mg, other conditions are all identical as experimental example 1.
[comparative example 1]
Comparative example 1 is single use the group of machine oil.
[comparative example 2]
Other than machine oil and aqueous sol are mixed with the ratio of 80g:2mg, other conditions are all identical as experimental example 1.
Machine oil constituent suggests that the preceding 100km of milimeter number is carried out more in the replacement of original machine oil (as above-mentioned machine oil)
It changes, it, should cold vehicle replacement when traveling 900km if this means, this kind of machine oil suggestion is replaced when milimeter number reaches 1000km
For machine oil constituent of the invention.The pre- 100km that runs makes the titanium dioxide in machine oil constituent fill up indentation, carries out speed per hour 0 later
The time detection of the acceleration of kilometer to 100 kilometers, as the result is shown in following table 1.
Table 1
Sample | Accelerate to the number of seconds of 100km/hr |
Comparative example 1 (machine oil) | 6.5s |
Comparative example 2 | 6.5s |
Experimental example 1 | 6.3s |
Experimental example 2 | 6.2s |
Experimental example 3 | 6.4s |
The results show that the acceleration number of seconds of experimental example 1,2,3 is all lower than comparative example 1, and also lower than the applied model of the present invention
Comparative example 2 other than enclosing, wherein the experimental example 1,2 that preferably parameter is implemented according to the present invention has better effect.The above results
It indicates that the titanium dioxide in machine oil constituent of the invention has filled up the indentation in gasoline cylinder, and then reduces the resistance needed for accelerating
Power, and can with it is shorter when reach predetermined speed.
The preparation method of machine oil constituent through the invention, can oxidize metal object does not make the oil for having nocuity high molten
Property solvent in the case where retain into machine oil.And above-mentioned result also demonstrates the titanium dioxide in machine oil constituent of the invention
Really it can increase the degree of lubrication of gasoline cylinder, actuation when engine being allowed to accelerate is more labor-saving.In addition, more because its partial size is small enough,
Machine oil constituent of the invention can also be made in forming protective oxide layer on indentation in the state of high fever, reduce and scratched again by impurity
Form the chance of indentation.
The foregoing is merely illustratives, rather than are restricted person.It is any without departing from spirit and scope of the invention, and to it
The equivalent modifications or change of progress, are intended to be limited solely by appended claims.
Claims (6)
1. a kind of preparation method of machine oil constituent, characterized by comprising:
By metal oxide dispersion in polarity liquid medium to form aqueous sol;
Machine oil is mixed with the aqueous sol, with draft machine oil mixture;And
The machine oil mixture is evacuated, obtains the machine oil constituent to remove the polarity liquid medium,
Wherein, the metal oxide include titanium dioxide, aluminium oxide or silica, the polarity liquid medium include water or
Alcohols solvent.
2. preparation method as described in claim 1, which is characterized in that by the machine oil and the aqueous sol with 70g~
The ratio of 90g:5mg~30mg mixes.
3. preparation method as described in claim 1, which is characterized in that the alcohols solvent include methanol, ethyl alcohol, isopropanol or
A combination thereof.
4. preparation method as described in claim 1, which is characterized in that the metal oxide accounts for the aqueous sol total weight
0.1% to 10%.
5. preparation method as described in claim 1, which is characterized in that the partial size of the metal oxide in the aqueous sol
For 1nm~500nm.
6. a kind of machine oil constituent, which is characterized in that the machine oil constituent is by such as any one of claims 1 to 5 institute
It is formed prepared by the preparation method stated.
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CN109082328B CN109082328B (en) | 2021-08-10 |
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CN1968894A (en) * | 2004-02-26 | 2007-05-23 | 新型材料莱布尼兹研究所公益性有限责任公司 | Amphiphilic nanoparticles |
TW200817503A (en) * | 2006-10-03 | 2008-04-16 | Wei-Sung Lin | Oil lubricants containing suspended nano-powder lubricants |
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