CN109504500A - A kind of lubricant composition and preparation method thereof for engine bearing assembly - Google Patents
A kind of lubricant composition and preparation method thereof for engine bearing assembly Download PDFInfo
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- CN109504500A CN109504500A CN201811534636.9A CN201811534636A CN109504500A CN 109504500 A CN109504500 A CN 109504500A CN 201811534636 A CN201811534636 A CN 201811534636A CN 109504500 A CN109504500 A CN 109504500A
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- 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
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
-
- 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
-
- 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/16—Paraffin waxes; Petrolatum, e.g. slack wax
- C10M2205/166—Paraffin waxes; Petrolatum, e.g. slack wax used as thickening agent
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
-
- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/041—Triaryl phosphates
-
- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/047—Thioderivatives not containing metallic elements
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/02—Bearings
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
Landscapes
- Chemical & Material Sciences (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 lubricant compositions for engine bearing assembly, are prepared by the raw material for including following components: 45 parts by weight of base oil~89 parts by weight；10 parts by weight of thickening agent~40 parts by weight；1 parts by weight of extreme pressure anti-wear additives~15 parts by weight；The thickening agent is made of paraffin and ceresine.Compared with prior art, the thickening agent of specific components is used provided by the present invention for the lubricant composition of engine bearing assembly, and preferable interaction is realized with other certain content components, the obtained lubricant composition for engine bearing assembly has excellent compatibility with bearing oil on the basis of properties are preferable and stablize；The lubricant composition can be such that engine bearing smoothly assembles, and bearing oil will not be made to become cloudy, spume, and will not block the filter of the bearing oil circulatory system, can play the role of good lubrication to bearing before bearing oil reaches bearing.
Description
Technical field
The present invention relates to lubricant composition technical fields, are to be related to one kind to install for engine shaft more specifically
Lubricant composition matched and preparation method thereof.
Background technique
Certain equipment engine bearings need to reuse, and engine repairs bearing removal after using one period, so
After reassemble bearing, therefore, engine bearing assembly is most important, needs when assembling bearing using lubricating grease, but domestic
So far without a kind of special grease for engine bearing assembly, each engine designs the current engine bearing of production unit
Assembly lubricating grease exists and makes that bearing oil is muddy, spumes and the problems such as plugged filter, i.e. engine bearing assembly lubrication
There are consistency problems with bearing oil for rouge.Certain current lubricating grease can melt under 100 DEG C of hot conditions is dispersed in bearing
In lubricating oil, but lubricating grease can be precipitated at normal temperature, become cloudy bearing oil, influence the performance of bearing oil.It is certain
Current lubricating grease is because containing metallic element, so that bearing oil generates foam in the process of running, influences bearing oil
Performance.For certain current lubricating grease because thickening agent grain diameter is larger, lubricating grease can block the filtering of the bearing oil circulatory system
Device.
Summary of the invention
In view of this, the purpose of the present invention is to provide it is a kind of for engine bearing assembly lubricant composition and its
Preparation method, lubricant composition provided by the invention have on the basis of properties are preferable and stablize with bearing oil
There is excellent compatibility.
The present invention provides a kind of lubricant compositions for engine bearing assembly, by the raw material including following components
It is prepared:
45 parts by weight of base oil~89 parts by weight；
10 parts by weight of thickening agent~40 parts by weight；
1 parts by weight of extreme pressure anti-wear additives~15 parts by weight；
The thickening agent is made of paraffin and ceresine.
Preferably, the base oil is selected from trimethylolpropane ester-based plinth oil, poly alpha olefin base oil and hydrogenated base oil
One of or it is a variety of.
Preferably, the mass ratio of paraffin and ceresine is 1:(5~15 in the thickening agent).
Preferably, the extreme pressure anti-wear additives are selected from zinc dialkyl dithiophosphate, zinc dialkyl dithiocarbamate, two
Alkyl antimony dithiocarbamate, dialkyldithiocarbamacompositions oxygen molybdenum, olefine sulfide, triphenyl, triphenyl sulphur
One of substituted phosphate, tricresyl phosphate and sulfurized fatty are a variety of.
The present invention also provides the lubricant compositions that engine bearing assembly is used for described in a kind of above-mentioned technical proposal
Preparation method, comprising the following steps:
A) base oil is mixed with thickening agent, is reacted under stirring conditions, obtain the first reaction mixture；It is described
Thickening agent is made of paraffin and ceresine；
B) the first reaction mixture for obtaining step a) is ground after mixing with extreme pressure anti-wear additives, is obtained for starting
The lubricant composition of machine bearing assembly.
Preferably, the revolving speed of stirring described in step a) is 30r/min~40r/min.
Preferably, the temperature of reaction described in step a) is 95 DEG C~105 DEG C, and the time is 10min~20min.
Preferably, the mode of mixing described in step b) is stirring；The revolving speed of the stirring is 30r/min~40r/min,
Time is 10min~20min.
Preferably, the device of grinding described in step b) is triple-roller mill；The number of the grinding is 2 times~4 times.
The present invention provides a kind of lubricant compositions for engine bearing assembly, by the raw material including following components
It is prepared: 45 parts by weight of base oil~89 parts by weight；10 parts by weight of thickening agent~40 parts by weight；1 parts by weight of extreme pressure anti-wear additives
~15 parts by weight；The thickening agent is made of paraffin and ceresine.Compared with prior art, provided by the present invention for engine shaft
The thickening agent that the lubricant composition matched uses specific components is installed, and realizes preferable phase interaction with other certain content components
With the obtained lubricant composition for engine bearing assembly is on the basis of properties are preferable and stablize, with bearing
Lubricating oil has excellent compatibility；The lubricant composition can be such that engine bearing smoothly assembles, and will not make bearing oil
It becomes cloudy, spume, and the filter of the bearing oil circulatory system will not be blocked, the energy before bearing oil reaches bearing
Play the role of good lubrication to bearing.
In addition, preparation method provided by the invention is simple, mild condition, it is suitble to large-scale industrial production.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
The present invention provides a kind of lubricant compositions for engine bearing assembly, by the raw material including following components
It is prepared:
45 parts by weight of base oil~89 parts by weight；
10 parts by weight of thickening agent~40 parts by weight；
1 parts by weight of extreme pressure anti-wear additives~15 parts by weight；
The thickening agent is made of paraffin and ceresine.
In the present invention, the lubricant composition for engine bearing assembly is by base oil, thickening agent and extreme pressure
Antiwear additive is prepared.In the present invention, the base oil is preferably selected from trimethylolpropane ester-based plinth oil, poly alpha olefin basis
One of oil and hydrogenated base oil or a variety of, more preferably trimethylolpropane ester-based plinth.The present invention is to the base oil
Source is not particularly limited, using above-mentioned trimethylolpropane ester-based plinth oil well known to those skilled in the art, poly alpha olefin base
The commercial goods of plinth oil and hydrogenated base oil.
In the present invention, the lubricant composition for engine bearing assembly includes 45 parts by weight~89 parts by weight
Base oil, preferably 65 parts by weight.
In the present invention, the thickening agent is made of paraffin and ceresine.In the present invention, paraffin and ground in the thickening agent
The mass ratio of wax is preferably 1:(5~15), more preferably 1:(5.6~10).The present invention use specific components thickening agent, and with
Other certain content components realize preferable interaction, and the obtained lubricant composition for engine bearing assembly is each
Better performances and on the basis of stablizing, have excellent compatibility with bearing oil.Source of the present invention to the thickening agent
It is not particularly limited, using the commercial goods of above-mentioned wax and ceresine well known to those skilled in the art.
In the present invention, the lubricant composition for engine bearing assembly includes 10 parts by weight~40 parts by weight
Thickening agent, preferably 33 parts by weight.
In the present invention, the extreme pressure anti-wear additives are preferably selected from zinc dialkyl dithiophosphate, dialkyl dithio amino
Zinc formate, antimony dialkyl-dithiocarbamate, dialkyldithiocarbamacompositions oxygen molybdenum, olefine sulfide, triphenyl,
One of triphenylphosphorothionate, tricresyl phosphate and sulfurized fatty are a variety of, more preferably tricresyl phosphate and/
Or triphenylphosphorothionate.The present invention is not particularly limited the source of the extreme pressure anti-wear additives, using those skilled in the art
Member known to above-mentioned zinc dialkyl dithiophosphate, zinc dialkyl dithiocarbamate, antimony dialkyl-dithiocarbamate,
Dialkyldithiocarbamacompositions oxygen molybdenum, olefine sulfide, triphenyl, triphenylphosphorothionate, tricresyl phosphate
With the commercial goods of sulfurized fatty.
In the present invention, the lubricant composition for engine bearing assembly includes 1 parts by weight~15 parts by weight
Solid superfine powder extreme pressure anti-wear additives, preferably 2 parts by weight.
Provided by the present invention for engine bearing assembly lubricant composition use specific components thickening agent, and with
Other certain content components realize preferable interaction, and the obtained lubricant composition for engine bearing assembly is each
Better performances and on the basis of stablizing, have excellent compatibility with bearing oil；The lubricant composition can make to start
Machine bearing smoothly assembles, and bearing oil will not be made to become cloudy, spume, and will not block the bearing oil circulatory system
Filter can play the role of good lubrication to bearing before bearing oil reaches bearing.
The present invention also provides the lubricant compositions that engine bearing assembly is used for described in a kind of above-mentioned technical proposal
Preparation method, comprising the following steps:
A) base oil is mixed with thickening agent, is reacted under stirring conditions, obtain the first reaction mixture；It is described
Thickening agent is made of paraffin and ceresine；
B) the first reaction mixture for obtaining step a) is ground after mixing with extreme pressure anti-wear additives, is obtained for starting
The lubricant composition of machine bearing assembly.
The present invention first mixes base oil with thickening agent, is reacted under stirring conditions, and it is mixed to obtain the first reaction
Close object；The thickening agent is made of paraffin and ceresine.In the present invention, in the base oil and thickening agent and above-mentioned technical proposal
Described is identical, and details are not described herein.
In the present invention, the mixed device preferably uses rouge kettle processed well known to those skilled in the art, the present invention couple
This is not particularly limited.
The present invention preferably under stirring conditions mixes base oil with thickening agent, and after being warming up to reaction temperature, is stirring
It is reacted under conditions of mixing, obtains the first reaction mixture.In the present invention, the revolving speed of the stirring is preferably 30r/min
~40r/min, more preferably 35r/min.
In the present invention, the temperature of the reaction is preferably 95 DEG C~105 DEG C, more preferably 100 DEG C；The reaction when
Between preferably 10min~20min, more preferably 15min.
After obtaining first reaction mixture, the present invention mixes the first obtained reaction mixture with extreme pressure anti-wear additives
After ground, obtain for engine bearing assemble lubricant composition.In the present invention, the extreme pressure anti-wear additives with it is upper
State identical described in technical solution, details are not described herein.
In the present invention, the mixed mode preferably stirs, it is therefore an objective to make first reaction mixture and extreme pressure
Antiwear additive is uniformly mixed.In the present invention, the revolving speed of the stirring is 30r/min~40r/min, more preferably 35r/min；Institute
The time for stating stirring is preferably 10min~20min, more preferably 15min.
In the present invention, the device of the grinding is preferably triple-roller mill；The number of the grinding is preferably 2 times~4 times, more
Preferably 3 times.
Preparation method provided by the invention is simple, mild condition, is suitble to large-scale industrial production.
The present invention provides a kind of lubricant compositions for engine bearing assembly, by the raw material including following components
It is prepared: 45 parts by weight of base oil~89 parts by weight；10 parts by weight of thickening agent~40 parts by weight；1 parts by weight of extreme pressure anti-wear additives
~15 parts by weight；The thickening agent is made of paraffin and ceresine.Compared with prior art, provided by the present invention for engine shaft
The thickening agent that the lubricant composition matched uses specific components is installed, and realizes preferable phase interaction with other certain content components
With the obtained lubricant composition for engine bearing assembly is on the basis of properties are preferable and stablize, with bearing
Lubricating oil has excellent compatibility；The lubricant composition can be such that engine bearing smoothly assembles, and will not make bearing oil
It becomes cloudy, spume, and the filter of the bearing oil circulatory system will not be blocked, the energy before bearing oil reaches bearing
Play the role of good lubrication to bearing.
In addition, preparation method provided by the invention is simple, mild condition, it is suitble to large-scale industrial production.
In order to further illustrate the present invention, it is described in detail below by following embodiment.
Embodiment 1
(1) the trimethylolpropane ester-based plinth oil of 65kg and 30kg ceresine, 3kg paraffin are added in rouge kettle processed, in 35r/min
Stirring under conditions of mix；Above-mentioned stirring is maintained, 100 DEG C is warming up to and carries out reaction 15min, obtain the first reaction mixture.
(2) the first reaction mixture and 2kg tricresyl phosphate are obtained in the condition of 35r/min by what step (1) obtained
Lower stirring 15min is ground 3 times to mixing is mixed using triple-roller mill, after analysis is qualified, obtains the profit assembled for engine bearing
Grease composition.
Embodiment 2
(1) the trimethylolpropane ester-based plinth oil of 65kg and 30kg ceresine, 3kg paraffin are added in rouge kettle processed, in 35r/min
Stirring under conditions of mix；Above-mentioned stirring is maintained, 100 DEG C is warming up to and carries out reaction 15min, obtain the first reaction mixture.
(2) the first reaction mixture and 2kg triphenylphosphorothionate are obtained 35r/min's by what step (1) obtained
Under the conditions of stirring 15min mix to mixing, ground 3 times using triple-roller mill, after analysis is qualified, obtain assembling for engine bearing
Lubricant composition.
Embodiment 3
(1) the trimethylolpropane ester-based plinth oil of 65kg and 28kg ceresine, 5kg paraffin are added in rouge kettle processed, in 35r/min
Stirring under conditions of mix；Above-mentioned stirring is maintained, 100 DEG C is warming up to and carries out reaction 15min, obtain the first reaction mixture.
(2) the first reaction mixture and 2kg tricresyl phosphate are obtained in the condition of 35r/min by what step (1) obtained
Lower stirring 15min is ground 3 times to mixing is mixed using triple-roller mill, after analysis is qualified, obtains the profit assembled for engine bearing
Grease composition.
Comparative example 1
The preparation method provided using embodiment 1, difference are: replacing 30kg ceresine, 3kg paraffin using 33kg ceresine.
Comparative example 2
The preparation method provided using embodiment 1, difference are: replacing 30kg ceresine, 3kg paraffin using 33kg paraffin.
The lubricant composition for engine bearing assembly that Examples 1 to 3 and comparative example 1~2 are prepared
Properties are analyzed, and analysis result ginseng is shown in Table 1.
The lubricant composition for engine bearing assembly that 1 Examples 1 to 3 of table and comparative example 1~2 are prepared
Properties data
As shown in Table 1, the lubricant composition for engine bearing assembly that the embodiment of the present invention 1~3 is prepared
On the basis of properties are preferable and stablize, there are the substances of diameter >=125 μm for comparative example product mechanical impurities, therefore can block up
Fill in the filter of bearing lubrication oil circulating system；The lubricant composition can be such that engine bearing smoothly assembles, and will not make axis
Bearing lubrication oil becomes cloudy, spumes, and will not block the filter of the bearing oil circulatory system, reaches in bearing oil
It can play the role of good lubrication to bearing before bearing.
The above description of the disclosed embodiments, enables those skilled in the art to implement or use the present invention.It is right
A variety of modifications of these embodiments will be readily apparent to those skilled in the art, and as defined herein one
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will
It will not be intended to be limited to the embodiments shown herein, and be to fit to consistent with the principles and novel features disclosed herein
Widest scope.
Claims (9)
1. a kind of lubricant composition for engine bearing assembly, is prepared by the raw material for including following components:
45 parts by weight of base oil~89 parts by weight；
10 parts by weight of thickening agent~40 parts by weight；
1 parts by weight of extreme pressure anti-wear additives~15 parts by weight；
The thickening agent is made of paraffin and ceresine.
2. lubricant composition according to claim 1, which is characterized in that the base oil is selected from trihydroxymethylpropanyl ester
One of base oil, poly alpha olefin base oil and hydrogenated base oil are a variety of.
3. lubricant composition according to claim 1, which is characterized in that the quality of paraffin and ceresine in the thickening agent
Than for 1:(5~15).
4. lubricant composition according to claim 1, which is characterized in that the extreme pressure anti-wear additives are selected from dialkyl disulfides
For trbasic zinc phosphate, zinc dialkyl dithiocarbamate, antimony dialkyl-dithiocarbamate, dialkyldithiocarbamacompositions oxygen
One of molybdenum, olefine sulfide, triphenyl, triphenylphosphorothionate, tricresyl phosphate and sulfurized fatty are more
Kind.
5. a kind of preparation method of the described in any item lubricant compositions for engine bearing assembly of Claims 1 to 4,
The following steps are included:
A) base oil is mixed with thickening agent, is reacted under stirring conditions, obtain the first reaction mixture；The thickening
Agent is made of paraffin and ceresine；
B) the first reaction mixture for obtaining step a) is ground after mixing with extreme pressure anti-wear additives, is obtained for engine shaft
Install the lubricant composition matched.
6. preparation method according to claim 5, which is characterized in that the revolving speed of stirring described in step a) is 30r/min
~40r/min.
7. preparation method according to claim 5, which is characterized in that the temperature of reaction described in step a) be 95 DEG C~
105 DEG C, the time is 10min~20min.
8. preparation method according to claim 5, which is characterized in that the mode of mixing described in step b) is stirring；Institute
The revolving speed for stating stirring is 30r/min~40r/min, and the time is 20min~25min.
9. preparation method according to claim 5, which is characterized in that the device of grinding described in step b) is triple-roller mill；
The number of the grinding is 2 times~4 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811534636.9A CN109504500A (en) | 2018-12-14 | 2018-12-14 | A kind of lubricant composition and preparation method thereof for engine bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811534636.9A CN109504500A (en) | 2018-12-14 | 2018-12-14 | A kind of lubricant composition and preparation method thereof for engine bearing assembly |
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| Publication Number | Publication Date |
|---|---|
| CN109504500A true CN109504500A (en) | 2019-03-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811534636.9A Pending CN109504500A (en) | 2018-12-14 | 2018-12-14 | A kind of lubricant composition and preparation method thereof for engine bearing assembly |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5723419A (en) * | 1996-09-19 | 1998-03-03 | Czerwinski; James L. | Engine treatment composition |
| CN1247219A (en) * | 1998-09-09 | 2000-03-15 | 日石三菱株式会社 | Four-stroke engine oil compsns. for two-wheeled motorcycle |
| CN102965178A (en) * | 2012-10-30 | 2013-03-13 | 武汉博达特种润滑技术有限公司 | High-speed chain lubricating grease and preparation method thereof |
| CN109251788A (en) * | 2018-09-27 | 2019-01-22 | 中国石油化工股份有限公司 | A kind of lubricant composition and preparation method thereof for Aero-engine Bearing assembly |
-
2018
- 2018-12-14 CN CN201811534636.9A patent/CN109504500A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5723419A (en) * | 1996-09-19 | 1998-03-03 | Czerwinski; James L. | Engine treatment composition |
| CN1247219A (en) * | 1998-09-09 | 2000-03-15 | 日石三菱株式会社 | Four-stroke engine oil compsns. for two-wheeled motorcycle |
| CN102965178A (en) * | 2012-10-30 | 2013-03-13 | 武汉博达特种润滑技术有限公司 | High-speed chain lubricating grease and preparation method thereof |
| CN109251788A (en) * | 2018-09-27 | 2019-01-22 | 中国石油化工股份有限公司 | A kind of lubricant composition and preparation method thereof for Aero-engine Bearing assembly |
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