CN108130173A - A kind of complex lithium grease and preparation method thereof - Google Patents
A kind of complex lithium grease and preparation method thereof Download PDFInfo
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- CN108130173A CN108130173A CN201711461489.2A CN201711461489A CN108130173A CN 108130173 A CN108130173 A CN 108130173A CN 201711461489 A CN201711461489 A CN 201711461489A CN 108130173 A CN108130173 A CN 108130173A
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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
- C10M169/04—Mixtures of base-materials and additives
-
- 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
- C10M2201/087—Boron oxides, acids or salts
-
- 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
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/127—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids polycarboxylic
-
- 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
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/10—Amides of carbonic or haloformic acids
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
- C10M2219/066—Thiocarbamic type compounds
- C10M2219/068—Thiocarbamate metal salts
-
- 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
- C10M2223/045—Metal containing thio derivatives
-
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
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- 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 complex lithium grease, including water and following component：80~90 parts by weight of base oil；8~10 parts by weight of higher fatty acids；1~3 parts by weight of binary acid；0.8~1.2 parts by weight of boric acid；1.0~4.5 parts by weight of monohydrate lithium hydroxide；0.5~2.5 parts by weight of zinc dialkyl dithiophosphate；0.5~2.5 parts by weight of organic-molybdenum salt.Three component lithium complex greases provided by the invention being prepared by above-mentioned base oil, higher fatty acids, boric acid, binary acid, monohydrate lithium hydroxide, it is combined due to being added to one group by multipurpose additive ZDDP (zinc dialkyl dithiophosphate) and organo-molybdenum friction antiwear additive with the additive of specific proportioning compounding, again plus itself contains lithium borate salt, three groups of constituents generate synergistic effect jointly, finally obtain a with excellent abrasion resistant extreme-pressure, mechanical stability, heat safe long-life multiple-effect complex lithium grease.
Description
Technical field
The present invention relates to technical field of lubricating grease, more particularly, to a kind of long-life complex lithium grease and its preparation side
Method.
Background technology
Complex lithium grease is thickened by the compound lithium soap of hydroxy fatty acid lithium soap and low molecular acid lithium salts composition generation
Base oil and the lubricating grease for adding in additive preparation have excellent high-temperature behavior, can be used for automobile, steel, railway, aviation
Etc. multiple fields, be a kind of multiple-effect, long-life lubricating grease.Domestic compound lithium base fat prod at present mainly by dropping point, point oil, prolong
The routine physical and chemical index such as long work cone penetration change rate is stable to judge the thermal stability of lubricating grease, colloid stability and shearing
Property, even if but the product performance data researched and developed is suitable with external high-end product, the service life of product is still relatively low, causes
High-end market is almost monopolized by external product, this has become a technology bottle of domestic complex lithium grease research and development of products
Neck
The complex lithium grease of existing two component often because of the abrasion resistance of itself deficiency, can not meet mechanic
The demand that industry industry lubricates the long-life of bearing.
Invention content
In view of this, the technical problem to be solved in the present invention is to provide a kind of complex lithium grease, and the present invention provides
Complex lithium grease wear resistence it is good.
The present invention provides a kind of complex lithium grease, including water and following component：
Preferably, the complex lithium grease, including water and following component：
Preferably, the complex lithium grease, including water and following component：
Preferably, the base oil is selected from one or more of mineral oil, synthetic hydrocarbon oil and Esters oil；The organic-molybdenum
One kind in molybdenum dialkyldithiocarbamacompositions salt, carbamic acid molybdenum and second, n-butyl dithiocarbamate molybdenum of salt or
It is several.
Preferably, the base oil is mineral oil；The organic-molybdenum salt is molybdenum dialkyldithiocarbamacompositions salt.
The present invention provides a kind of preparation method of the complex lithium grease described in above-mentioned technical proposal any one, packets
It includes：
A) part basis oil is mixed with higher fatty acids, binary acid, monohydrate lithium hydroxide, 100 DEG C~120 DEG C reactions,
Obtain reaction solution；
B) by the reaction solution and boric acid, water 1~2h of hybrid reaction, 230 DEG C~240 DEG C are warming up to, keeps 5~10min,
It mixes, is answered to 90 DEG C~110 DEG C, then with zinc dialkyl dithiophosphate, organic-molybdenum salt with remaining base oil combination cooling
Close lithium base grease.
Preferably, the weight ratio of the part basis oil and remainder base oil is (0.5~0.6)：(0.4~0.5)；
The higher fatty acids, binary acid, monohydrate lithium hydroxide weight ratio be (8~10)：(1~3)：(1.0~4.5).
Preferably, step A) reaction temperature is 105 DEG C~115 DEG C；The reaction time is 2~3h.
Preferably, the weight ratio of the zinc dialkyl dithiophosphate and organic-molybdenum salt is 1:1.
Preferably, the step B) be specially：By the reaction solution and boric acid, the compound 1~2h of water, be warming up to 230 DEG C~
235 DEG C, 5~7min is kept, with remaining base oil combination cooling to 95 DEG C~105 DEG C, with zinc dialkyl dithiophosphate and having
Machine molybdenum salt mixes, and obtains complex lithium grease.
Compared with prior art, the present invention provides a kind of complex lithium grease, including water and following component：Base oil
80~90 parts by weight；8~10 parts by weight of higher fatty acids；1~3 parts by weight of binary acid；0.8~1.2 parts by weight of boric acid；Single water hydrogen
1.0~4.5 parts by weight of lithia；0.5~2.5 parts by weight of zinc dialkyl dithiophosphate；0.5~2.5 parts by weight of organic-molybdenum salt.
It is provided by the invention by above-mentioned base oil, higher fatty acids, boric acid, binary acid, monohydrate lithium hydroxide and dialkyl dithio phosphorus
Sour zinc is combined with specific proportioning, and three component lubricating grease being prepared can generate synergistic effect, especially because ZDDP, having
The synergistic effect of machine molybdenum salt and boric acid, the complex lithium grease abrasion resistance being finally prepared is good, improves maximum seizing
Dead load PB values and with high sintering load PD.
Specific embodiment
The present invention provides a kind of complex lithium grease, those skilled in the art can use for reference present disclosure, suitably change
It is realized into technological parameter.In particular, it should be pointed out that all similar substitutions and modifications are aobvious for a person skilled in the art
And be clear to, they shall fall within the protection scope of the present invention.The method of the present invention and application are carried out by preferred embodiment
Description, related personnel can significantly not depart from the content of present invention, methods herein and application changed in spirit and scope
It is dynamic or suitably change with combining, to realize and using the technology of the present invention.
The present invention provides a kind of complex lithium grease, including water and following component：
Complex lithium grease provided by the invention is mainly used for automobile industry, mechanical industry matching requirements long-life lubrication
Field.
Complex lithium grease provided by the invention it is following be parts by weight, if total number be 100, each parts by weight
Can be percentage.
Complex lithium grease provided by the invention includes the base oil of 80~90 parts by weight；Preferably include 81~89 weight
The base oil of part；More preferably include the base oil of 82~88 parts by weight.
Base oil of the present invention is preferably selected from one or more of mineral oil, synthetic hydrocarbon oil and Esters oil；More preferably
Selected from mineral oil.The mineral oil is preferably one or more of 150BS and 400SN；More preferably 150BS and 400SN.
40 DEG C of 210~230mm/s of kinematic viscosity of base oil of the present invention2, the present invention to its source without limit,
It is commercially available；The present invention to its purity without limit, it is well known to those skilled in the art.
Complex lithium grease provided by the invention includes the higher fatty acids of 8~10 parts by weight；Preferably include 8.5~
The higher fatty acids of 9.5 parts by weight.
Higher fatty acids of the present invention is preferably selected from the one or two of stearic acid and 12- hydroxy stearic acids, more preferably
For 12- hydroxy stearic acids.The present invention to its source without limit, it is commercially available；The present invention is to its purity without restriction, sheet
Known to field technology personnel.
Complex lithium grease provided by the invention includes the binary acid of 1~3 parts by weight；Can be the two of 1~2 parts by weight
First acid；It can be the binary acid of 2~3 parts by weight.
The present invention for the binary acid source without limit, it is commercially available；The present invention to its purity without limit,
It is well known to those skilled in the art.
The binary acid is preferably the acid containing 4 to 12 carbon atoms；More preferably decanedioic acid, azelaic acid and succinic acid；Most
Preferably decanedioic acid.
Complex lithium grease provided by the invention includes the boric acid of 0.8~1.2 parts by weight, preferably includes 0.85~1.15
The boric acid of parts by weight.
Boric acid of the present invention, three component of aliphatic acid and binary acid, relative to two components of the prior art, abrasion resistance is more
Lithium borate salt good, that particularly boric acid and lithium salts are formed, inherently a kind of extreme pressure agent of lithium borate salt, its presence can be filled up
The deficiency of wear resistence of the zinc dialkyl dithiophosphate/organic-molybdenum salt in two component compositing lithio esters, so as to double to improve most
Kilocalorie kills load PB values, while has high sintering load PD.
Complex lithium grease provided by the invention includes the monohydrate lithium hydroxide of 1.0~4.5 parts by weight；It preferably includes
The monohydrate lithium hydroxide of 1.1~4.3 parts by weight；More preferably include the monohydrate lithium hydroxide of 1.2~4.0 parts by weight.
The present invention for monohydrate lithium hydroxide source without limit, it is commercially available；The present invention is to its purity without limit
It is fixed, it is well known to those skilled in the art.
Complex lithium grease provided by the invention includes the zinc dialkyl dithiophosphate of 0.5~2.5 parts by weight；It is preferred that
Include the zinc dialkyl dithiophosphate of 0.5~2.0 parts by weight；It can be the dialkyl dithiophosphoric acid of 0.5~1.0 parts by weight
Zinc；It can be the zinc dialkyl dithiophosphate of 1.0~2.0 parts by weight.Abbreviation ZDDP.
The present invention to its source without limit, it is commercially available；The present invention is to its purity without restriction, art technology
Known to personnel.
Complex lithium grease provided by the invention includes the organic-molybdenum salt of 0.5~2.5 parts by weight, preferably include 0.5~
The organic-molybdenum salt of 2.0 parts by weight；Can be the organic-molybdenum salt of 0.5~1.0 parts by weight；Can be the organic of 1.0~2.0 parts by weight
Molybdenum salt.
According to the present invention, the organic-molybdenum salt be preferably selected from molybdenum dialkyldithiocarbamacompositions salt, carbamic acid molybdenum and
One or more of second, n-butyl dithiocarbamate molybdenum；It is more preferably selected from molybdenum dialkyldithiocarbamacompositions salt.This
Invention to its source without limit, it is commercially available；The present invention to its purity without limit, it is well known to those skilled in the art
.
According to the present invention, the ratio of the zinc dialkyl dithiophosphate and organic-molybdenum salt is preferably 1:1.The present inventor creates
The discovery for the property made, above-mentioned zinc dialkyl dithiophosphate and organic-molybdenum salt, which carry out compounding, has the function of synergy, with boric acid
Compounding improves abrasion resistance, improves maximum seizing dead load PB values, while have high sintering load with more synergistic function
PD。
In preferred embodiment of the present invention, the complex lithium grease, including water and following component：
In preferred embodiment of the present invention, the complex lithium grease, including water and following component：
The present invention provides a kind of complex lithium grease, including water and following component：80~90 parts by weight of base oil；It is high
Grade 8~10 parts by weight of aliphatic acid；1~3 parts by weight of binary acid；0.8~1.2 parts by weight of boric acid；Monohydrate lithium hydroxide 1.0~4.5
Parts by weight；0.5~2.5 parts by weight of zinc dialkyl dithiophosphate；0.5~2.5 parts by weight of organic-molybdenum salt.It is provided by the invention by
Above-mentioned base oil, higher fatty acids, boric acid, binary acid, monohydrate lithium hydroxide and zinc dialkyl dithiophosphate are with specific proportioning
Combination, three component lubricating grease being prepared can generate synergistic effect, especially because zinc dialkyl dithiophosphate, having
The synergistic effect of machine molybdenum salt and boric acid, the complex lithium grease abrasion resistance being finally prepared is good, improves maximum seizing
Dead load PB values and with high sintering load PD.
The present invention provides a kind of preparation method of the complex lithium grease described in above-mentioned technical proposal any one, packets
It includes：
A) part basis oil is mixed with higher fatty acids, binary acid, monohydrate lithium hydroxide, 100 DEG C~120 DEG C reactions,
Obtain reaction solution；
B) by the reaction solution and boric acid, water 1~2h of hybrid reaction, 230 DEG C~240 DEG C are warming up to, keeps 5~10min,
It mixes, is answered to 90 DEG C~110 DEG C, then with zinc dialkyl dithiophosphate, organic-molybdenum salt with remaining base oil combination cooling
Close lithium base grease.
The preparation method of complex lithium grease provided by the invention is first by part basis oil and higher fatty acids, binary
Acid, monohydrate lithium hydroxide mixing.
In the present invention, the weight ratio of the base oil part basis oil and remainder base oil be preferably (0.5~
0.6)：(0.4~0.5)；More preferably 0.5：0.5.
The present invention is preferably (8~10) for the weight ratio of the higher fatty acids, binary acid, monohydrate lithium hydroxide：(1
~3)：(1.0~4.5).
The present invention is above-mentioned for the base oil, higher fatty acids, binary acid, the composition of monohydrate lithium hydroxide and proportioning
Through being clearly described, details are not described herein.
Mixing of the present invention is preferably mixed in reaction cup or reaction kettle, and the present invention is to this and is not limited.
After mixing, 100 DEG C~120 DEG C reactions obtain reaction solution.The reaction temperature is preferably 105 DEG C~115 DEG C；Institute
It is preferably 2~3h to state the reaction time.
After saponification, by the reaction solution and boric acid, 1~2h of water hybrid reaction.
The present invention is for the boric acid and above-mentioned ratio is above-mentioned has been clearly described, and details are not described herein.
Part water, 1~2h of recombination reaction are supplemented when being mixed with boric acid.The reaction temperature is preferably 105 DEG C~115 DEG C.
230 DEG C~240 DEG C are then warming up to, keeps 5~10min.It is preferred that 230 DEG C~235 DEG C are warming up to, holding 5~
7min。
With remaining base oil combination cooling to 90 DEG C~110 DEG C after heating.
The weight ratio of the base oil part basis oil and remainder base oil is preferably (0.5~0.6)：(0.4~
0.5)；More preferably 0.5：:0.5.The cooling temperature is preferably 95 DEG C~105 DEG C.
It after cooling, then mixes with zinc dialkyl dithiophosphate, organic-molybdenum salt, obtains complex lithium grease.It is preferred that have
After body is cooling, then mix with zinc dialkyl dithiophosphate, organic-molybdenum salt, stirring grinds and obtains complex lithium grease.
Wherein, the weight ratio of the zinc dialkyl dithiophosphate and organic-molybdenum salt is 1:1.The specific component is above-mentioned
It has been be clearly described that, details are not described herein.
The present invention for it is described stirring and grinding concrete mode without limit, it is well known to those skilled in the art i.e.
It can.
In order to further illustrate the present invention, complex lithium grease provided by the invention is carried out with reference to embodiments detailed
Thin description.Base oil described in the embodiment of the present invention 1~4 is 150BS and 400SN with 7:The mineral oil of 3 ratios mixing.
Embodiment 1
Three component compositing lithio ester components are following (100 parts of total amount)：
Technology controlling and process：
It takes 1/2 base oil that 12- hydroxy stearic acids/decanedioic acid/monohydrate lithium hydroxide is added to add in opening reaction cup, keeps temperature
110 ± 5 DEG C of degree, soap point reaction 1~2 hour, adds in boric acid, supplements suitable quantity of water in the process, compound 1~2 hour, be continuously heating to
230~235 DEG C of highest refining temperature, constant temperature for 5 minutes, when adding the remaining base oil to be cooled to 100 ± 5 DEG C, adds dialkyl disulfides
It for trbasic zinc phosphate, organic-molybdenum salt, stirs evenly, crosses grinder to get finished product.Testing result is as shown in table 1, and table 1 is real for the present invention
Apply the results of property of the complex lithium grease of the preparation of example 1.
The results of property of complex lithium grease prepared by 1 embodiment of the present invention 1 of table
Embodiment 2
Three component compositing lithio ester components are following (100 parts of total amount)：
Technique is same as Example 1.Testing result is as shown in table 2, and table 2 is compound lithium base prepared by the embodiment of the present invention 2
The results of property of lubricating grease.
The results of property of complex lithium grease prepared by 2 embodiment of the present invention 2 of table
Embodiment 3
Three component compositing lithio ester components are following (100 parts of total amount)：
Technique is same as Example 1.Testing result is as shown in table 3, and table 3 is compound lithium base prepared by the embodiment of the present invention 3
The results of property of lubricating grease.
The results of property for the complex lithium grease that table 3 is prepared for the embodiment of the present invention 3
Embodiment 4
Three component compositing lithio ester components are following (100 parts of total amount)：
Technology controlling and process：
It takes 1/2 base oil that 12- hydroxy stearic acids/decanedioic acid/monohydrate lithium hydroxide is added to add in opening reaction cup, keeps temperature
110 ± 5 DEG C of degree, soap point reaction 1~2 hour, adds in boric acid, supplements suitable quantity of water in the process, compound 1~2 hour, be continuously heating to
230~235 DEG C of highest refining temperature, constant temperature for 5 minutes, when adding the remaining base oil to be cooled to 100 ± 5 DEG C, adds dialkyl disulfides
It for trbasic zinc phosphate, organic-molybdenum salt, stirs evenly, crosses grinder to get finished product.Testing result is as shown in table 4, and table 4 is real for the present invention
Apply the results of property of the complex lithium grease of the preparation of example 4.
The results of property of complex lithium grease prepared by 4 embodiment of the present invention 4 of table
Comparative example 1
Existing two components compositing lithio ester component is following (100 parts of total amount)：
Technological requirement:Take 1/2 base oil that 12- hydroxy stearic acids/decanedioic acid/monohydrate lithium hydroxide is added to add in opening reaction cup
In, 110 ± 5 DEG C of temperature is kept, soap point reaction 2~3 hours supplements suitable quantity of water, is continuously heating to highest refining temperature in the process
230 ± 5 DEG C, constant temperature for 5 minutes, when adding the remaining base oil to be cooled to 100 ± 5 DEG C, adds zinc dialkyl dithiophosphate, organic-molybdenum
Salt stirs evenly, and crosses grinder to get finished product.Testing result is as shown in table 5, and table 5 prepares compound for comparative example 1 of the present invention
The results of property of lithium base grease.
The results of property of complex lithium grease prepared by 5 comparative example 1 of the present invention of table
Comparative example 2
Three component compositing lithio ester components are following (100 parts of total amount)：
Technology controlling and process：
It takes 1/2 base oil that 12- hydroxy stearic acids/decanedioic acid/monohydrate lithium hydroxide is added to add in opening reaction cup, keeps temperature
110 ± 5 DEG C of degree, soap point reaction 1~2 hour, adds in boric acid, supplements suitable quantity of water in the process, compound 1~2 hour, be continuously heating to
230~235 DEG C of highest refining temperature, constant temperature for 5 minutes, when adding the remaining base oil to be cooled to 100 ± 5 DEG C, adds ZDDP, organic-molybdenum
Salt stirs evenly, and crosses grinder to get finished product.Testing result is as shown in table 6, and table 6 prepares compound for comparative example 2 of the present invention
The results of property of lithium base grease.
The results of property of complex lithium grease prepared by 6 comparative example 2 of the present invention of table
Comparative example 3
Three component compositing lithio ester components are following (100 parts of total amount)：
Technology controlling and process：
It takes 1/2 base oil that 12- hydroxy stearic acids/decanedioic acid/monohydrate lithium hydroxide is added to add in opening reaction cup, keeps temperature
110 ± 5 DEG C of degree, soap point reaction 1~2 hour, adds in boric acid, supplements suitable quantity of water in the process, compound 1~2 hour, be continuously heating to
230~235 DEG C of highest refining temperature, constant temperature for 5 minutes, when adding the remaining base oil to be cooled to 100 ± 5 DEG C, adds ZDDP, organic-molybdenum
Salt stirs evenly, and crosses grinder to get finished product.Testing result is as shown in table 7, and table 7 prepares compound for comparative example 3 of the present invention
The results of property of lithium base grease.
The results of property of complex lithium grease prepared by 7 comparative example 3 of the present invention of table
Comparative example 4
Three component compositing lithio ester components are following (100 parts of total amount)：
Technology controlling and process：
It takes 1/2 base oil that 12- hydroxy stearic acids/decanedioic acid/monohydrate lithium hydroxide is added to add in opening reaction cup, keeps temperature
110 ± 5 DEG C of degree, soap point reaction 1~2 hour, adds in boric acid, supplements suitable quantity of water in the process, compound 1~2 hour, be continuously heating to
230~235 DEG C of highest refining temperature, constant temperature for 5 minutes, when adding the remaining base oil to be cooled to 100 ± 5 DEG C, adds ZDDP, organic-molybdenum
Salt stirs evenly, and crosses grinder to get finished product.Testing result is as shown in table 8, and table 8 prepares compound for comparative example 4 of the present invention
The results of property of lithium base grease.
The results of property of complex lithium grease prepared by 8 comparative example 4 of the present invention of table
Comparative example 5
Three component compositing lithio ester components are following (100 parts of total amount)：
Technology controlling and process：
It takes 1/2 base oil that 12- hydroxy stearic acids/decanedioic acid/monohydrate lithium hydroxide is added to add in opening reaction cup, keeps temperature
110 ± 5 DEG C of degree, soap point reaction 1~2 hour, adds in boric acid, supplements suitable quantity of water in the process, compound 1~2 hour, be continuously heating to
230~235 DEG C of highest refining temperature, constant temperature for 5 minutes, when adding the remaining base oil to be cooled to 100 ± 5 DEG C, adds ZDDP, organic-molybdenum
Salt stirs evenly, and crosses grinder to get finished product.Testing result is as shown in table 9, and table 9 prepares compound for comparative example 5 of the present invention
The results of property of lithium base grease.
The results of property of complex lithium grease prepared by 9 comparative example 5 of the present invention of table
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of complex lithium grease, including water and following component：
2. complex lithium grease according to claim 1, which is characterized in that the complex lithium grease, including water
With following component：
3. complex lithium grease according to claim 1, which is characterized in that the complex lithium grease, including water
With following component：
4. according to the complex lithium grease described in claims 1 to 3 any one, which is characterized in that the base oil is selected from
One or more of mineral oil, synthetic hydrocarbon oil and Esters oil；The organo-molybdenum friction antiwear additive is selected from dialkyl dithio ammonia
One or more of base formic acid molybdenum salt, carbamic acid molybdenum and second, n-butyl dithiocarbamate molybdenum.
5. according to the complex lithium grease described in claim 4 any one, which is characterized in that the base oil is mineral
Oil；The organic-molybdenum salt is molybdenum dialkyldithiocarbamacompositions salt.
6. a kind of preparation method of the complex lithium grease described in Claims 1 to 5 any one, including：
A) part basis oil is mixed with higher fatty acids, binary acid, monohydrate lithium hydroxide, 100 DEG C~120 DEG C reactions obtain
Reaction solution；
B) by the reaction solution and boric acid, water 1~2h of hybrid reaction, 230 DEG C~240 DEG C are warming up to, keeps 5~10min, with remaining
Remaining base oil combination cooling is mixed to 90 DEG C~110 DEG C, then with zinc dialkyl dithiophosphate, organic-molybdenum salt, obtains complex lithium
Base grease.
7. preparation method according to claim 6, which is characterized in that the part basis oil and remainder base oil
Weight ratio is (0.5~0.6)：(0.4~0.5)；The higher fatty acids, binary acid, monohydrate lithium hydroxide weight ratio be (8
~10)：(1~3)：(1.0~4.5).
8. preparation method according to claim 6, which is characterized in that step A) reaction temperature is 105 DEG C~115
℃；The reaction time is 2~3h.
9. preparation method according to claim 6, which is characterized in that the zinc dialkyl dithiophosphate and organic-molybdenum salt
Weight ratio be 1:1.
10. preparation method according to claim 6, which is characterized in that the step B) be specially：By the reaction solution with
Compound 1~the 2h of boric acid, water, is warming up to 230 DEG C~235 DEG C, keeps 5~7min, with remaining base oil combination cooling to 95 DEG C~
It 105 DEG C, is mixed with zinc dialkyl dithiophosphate and organic-molybdenum salt, obtains complex lithium grease.
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| CN109181821A (en) * | 2018-08-17 | 2019-01-11 | 东莞理工学院 | A kind of multi-purpose grease and preparation method thereof |
| CN111892972A (en) * | 2020-07-31 | 2020-11-06 | 东莞太平洋博高润滑油有限公司 | Petrochemical first-class extreme pressure composite lithium-based lubricating grease and preparation method thereof |
| CN111961517A (en) * | 2020-08-26 | 2020-11-20 | 惠州市阿特斯润滑技术有限公司 | Lubricating grease for automobile safety belt system |
| WO2022021921A1 (en) * | 2020-07-28 | 2022-02-03 | 安美科技股份有限公司 | Lubricating grease for robot harmonic reducer |
| CN115368952A (en) * | 2022-08-29 | 2022-11-22 | 新疆金雪驰科技股份有限公司 | Lubricating grease composition special for cotton picker spindles and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181821A (en) * | 2018-08-17 | 2019-01-11 | 东莞理工学院 | A kind of multi-purpose grease and preparation method thereof |
| WO2022021921A1 (en) * | 2020-07-28 | 2022-02-03 | 安美科技股份有限公司 | Lubricating grease for robot harmonic reducer |
| CN111892972A (en) * | 2020-07-31 | 2020-11-06 | 东莞太平洋博高润滑油有限公司 | Petrochemical first-class extreme pressure composite lithium-based lubricating grease and preparation method thereof |
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| CN115368952A (en) * | 2022-08-29 | 2022-11-22 | 新疆金雪驰科技股份有限公司 | Lubricating grease composition special for cotton picker spindles and preparation method thereof |
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Application publication date: 20180608 |