CN109536238A - A kind of high temperature resistant gear grease - Google Patents
A kind of high temperature resistant gear grease Download PDFInfo
- Publication number
- CN109536238A CN109536238A CN201811311390.9A CN201811311390A CN109536238A CN 109536238 A CN109536238 A CN 109536238A CN 201811311390 A CN201811311390 A CN 201811311390A CN 109536238 A CN109536238 A CN 109536238A
- Authority
- CN
- China
- Prior art keywords
- parts
- high temperature
- magnesium silicate
- added
- temperature resistant
- 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.)
- Pending
Links
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
- C10M125/26—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
- 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
- C10M169/06—Mixtures of thickeners 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
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
-
- 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
- C10M2201/102—Silicates
-
- 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
- C10M2201/14—Inorganic compounds or elements as ingredients in lubricant compositions inorganic compounds surface treated with organic compounds
-
- 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
- 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
- C10M2207/1276—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 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
- C10M2207/10—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
- C10M2207/1285—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 used as thickening agents
-
- 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
- C10M2223/049—Phosphite
-
- 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
- C10N2030/04—Detergent property or dispersant property
-
- 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
- C10N2030/08—Resistance to extreme temperature
-
- 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
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The present invention provides a kind of high temperature resistant gear greases, following component is weighed by weight: 85-95 parts of polyalphaolefin, 6-9 parts of 12- hydroxy stearic acid, 2-3 parts of azelaic acid, 20-25 parts of 10-15wt% lithium hydroxide solution, 1-1.8 parts of antioxidant, 0.5-2 parts of di-n-butyl phosphite, 1.5-2.8 parts of modified Nano magnesium silicate powders.High temperature gear grease of the invention, the addition of the nanometer magnesium silicate powders prepared by the method for the invention, nanometer magnesium silicate powders shape of particle and size, nanometer magnesium silicate powders particle product and lubricating grease is set to have good dispersibility, blending, collaboration improves dropping point and high temperature cone penetration of product etc., with the excellent performance such as heat-resisting quantity outstanding, the lubricating requirement at the larger load equipment position of high temperature can be met.
Description
Technical field
The present invention relates to lubricating oil fields, and in particular to a kind of high temperature resistant gear grease.
Background technique
Lubricant has extremely important effect in the industrial production, it can reduce friction to reduce unnecessary energy
It loses and protects its service life of Mechanical extension.Lithium base grease has been widely applied in industrial circle as multipurpose grease,
But with the rapid development of modern industry, heavy duty, the use of high temperature, high-speed equipment, common lithium base grease, which has been unable to meet, to be set
Standby lubricating requirement.Complex lithium grease, which removes, has the excellent mechanical stability of lithium base grease, colloid stability, oxidation peace
It is qualitative outer, also there is the applied at elevated temperature performances such as dropping point height, therefore be increasingly valued by people and pay close attention to, is lubricated in high temperature resistant
Sizable specific gravity is occupied in rouge.In the event of high temperatures, the structure of lubricating grease has substantially been destroyed, during this time
Play lubricating action is the additive of the inside.Our common solid lubricants are graphite, molybdenum disulfide etc..Natural graphite and
Molybdenite usually contains the total gangue of association therewith, thus its purity is difficult to improve, it is difficult to meet the greasy property of machine；When two
When being mixed with 5/1000ths silica in molybdenum sulfide, although coefficient of friction rises very little, the increase of abrasion is apparent.
The present invention improves the high temperature resistance of lubricating grease by addition nanometer magnesium silicate powders.
Summary of the invention
Technical problems to be solved: the object of the present invention is to provide a kind of high temperature resistant gear greases, have outstanding resistance to
It is high temperatures, the larger load gear grease of high temperature can be met and be not lost, there is good high-temperature stability and adhesion.
Technical solution: a kind of high temperature resistant gear grease weighs following component by weight:
85-95 parts of polyalphaolefin, 6-9 parts of 12- hydroxy stearic acid, 2-3 parts of azelaic acid, 10-15wt% lithium hydroxide solution 20-25
Part, 1-1.8 parts of antioxidant, 0.5-2 parts of di-n-butyl phosphite, 1.5-2.8 parts of modified Nano magnesium silicate powders；
Above-mentioned high temperature resistant gear grease the preparation method comprises the following steps: by 12- hydroxy stearic acid be added 1/2 parts by weight polyalphaolefin base
In plinth oil, heating saponification is warming up to 140-150 DEG C, then be cooled to 90 DEG C, azelaic acid is added, and continues to add lithium hydroxide solution soap
Change, 100-110 DEG C of heat preservation 4-8h is warming up to after saponification, then be rapidly heated to 170-190 DEG C, it is de- that heat preservation 3-5h carries out heat preservation
Water is added surplus polyalphaolefin base and remaining ingredient, is to slowly warm up to 200-210 DEG C and is refined after dehydration, fast after refining
Quickly cooling but, grind, finished product by homogenizing.
Further, the nanometer magnesium silicate powders the preparation method comprises the following steps:
S1. ethyl orthosilicate is added into ethanol water, is mixed to uniformly, microwave spoke at being 40-50 DEG C in temperature
According to 20-30min, silica solution is obtained；
S2. the silica solution that step S1 is prepared is sheared under ultrasonic wave 2-4h, is then sintered, obtains under oxygen-free environment
Silicon dioxide nano powder；
S3. configuration concentration is the NaOH solution of 2-5mol/L, and epsom salt is then added in the solution, is mixed into solidifying
Then glue adds NaHCO3And PEG-2000, to complete, washing obtains magnesium carbonate, obtained magnesium carbonate is existed for reaction
It is sintered 1h at 600 DEG C, obtains nano magnesia；
S4. silicon dioxide nano powder is prepared in step S2 and S3 and nano magnesia is added into ball grinder, with two kinds
Various sizes of zirconium pearl carries out ball milling 20-30h, raw material and zirconium pearl is put into baking oven and is dried after ball milling as ball-milling medium
It is dry, raw material powder is isolated, then by the raw material isolated in reduction furnace, is sintered 8- under conditions of 1100-1300 DEG C
14h, heating rate are 3-5 DEG C/min, will finally be sintered blocking magnesium silicate and are first ground and carry out ball milling again, are put into agate and grind
It grinds, is then placed in ball grinder in alms bowl, use zirconium ball as abrasive media, acetone is as dispersing agent, dry screening after ball milling 48h
Nanometer magnesium silicate powder out；
S5. according to oleic acid, stearic acid is that 6:3:1 is mixed according to volume ratio with hexamethylene, after ultrasonic disperse is uniform, in mass ratio
10:2 is added step S4 and a nanometer magnesium silicate powder is prepared, and ultrasonic disperse is uniform at 50-60 DEG C, obtains modified Nano silicic acid
Magnesium powder body.
Further, sintering parameter is set as 2-3 DEG C/min and is warming up to 100 DEG C in the step S2, and then 2-3 DEG C/min
160 DEG C are warming up to, last 4 DEG C/min is warming up to 380 DEG C, and keeps the temperature 2h.
Further, n(Mg in the step S32+): n(NaOH): n(NaHCO3) ratio be 4-6:6.5-8.5:6-7.
The utility model has the advantages that high temperature gear grease of the invention, the nanometer magnesium silicate powders prepared by the method for the invention
Addition, nanometer magnesium silicate powders shape of particle and size have nanometer magnesium silicate powders particle product and lubricating grease very
Dispersibility well, blending, collaboration improve dropping point and high temperature cone penetration of product etc., have heat-resisting quantity outstanding etc. excellent
Performance can meet the lubricating requirement at the larger load equipment position of high temperature.
Specific embodiment
Embodiment 1
Nanometer magnesium silicate powders the preparation method comprises the following steps:
S1. ethyl orthosilicate is added into ethanol water, is mixed to uniformly, microwave irradiation at being 40 DEG C in temperature
20min obtains silica solution；
S2. the silica solution that step S1 is prepared is sheared under ultrasonic wave 4h, is then sintered under oxygen-free environment, sintering ginseng
Number is set as 2 DEG C/min and is warming up to 100 DEG C, and then 3 DEG C/min is warming up to 160 DEG C, and last 4 DEG C/min is warming up to 380 DEG C, and protects
Warm 2h, obtains silicon dioxide nano powder；
S3. configuration concentration is the NaOH solution of 2mol/L, and epsom salt is then added in the solution, is mixed into gel
Then shape adds NaHCO3And PEG-2000, wherein n(Mg2+): n(NaOH): n(NaHCO3) ratio be 4:8.5:6, instead
Should be to complete, washing obtains magnesium carbonate, obtained magnesium carbonate is sintered 1h at 600 DEG C, obtains nano magnesia；
S4. silicon dioxide nano powder is prepared in step S2 and S3 and nano magnesia is added into ball grinder, with two kinds
Various sizes of zirconium pearl carries out ball milling 20h, raw material and zirconium pearl is put into baking oven and is dried after ball milling as ball-milling medium,
Raw material powder is isolated, then by the raw material isolated in reduction furnace, is sintered 8h under conditions of 1100 DEG C, heating rate is
3 DEG C/min, it will finally be sintered blocking magnesium silicate and first ground and carry out ball milling again, be put into agate mortar and grind, then put
Enter in ball grinder, use zirconium ball as abrasive media, acetone is as dispersing agent, and drying filters out nano-silicon acid magnesium powder after ball milling 48h
Body；；
S5. according to oleic acid, stearic acid is that 6:3:1 is mixed according to volume ratio with hexamethylene, after ultrasonic disperse is uniform, in mass ratio
10:2 is added step S4 and a nanometer magnesium silicate powder is prepared, and ultrasonic disperse is uniform at 50 DEG C, obtains modified Nano magnesium silicate
Powder.
Embodiment 2
Nanometer magnesium silicate powders the preparation method comprises the following steps:
S1. ethyl orthosilicate is added into ethanol water, is mixed to uniformly, microwave irradiation at being 50 DEG C in temperature
30min obtains silica solution；
S2. the silica solution that step S1 is prepared is sheared under ultrasonic wave 2h, is then sintered under oxygen-free environment, sintering ginseng
Number is set as 3 DEG C/min and is warming up to 100 DEG C, and then 2 DEG C/min is warming up to 160 DEG C, and last 4 DEG C/min is warming up to 380 DEG C, and protects
Warm 2h, obtains silicon dioxide nano powder；
S3. configuration concentration is the NaOH solution of 5mol/L, and epsom salt is then added in the solution, is mixed into gel
Then shape adds NaHCO3And PEG-2000, wherein n(Mg2+): n(NaOH): n(NaHCO3) ratio be 6:6.5:6, instead
Should be to complete, washing obtains magnesium carbonate, obtained magnesium carbonate is sintered 1h at 600 DEG C, obtains nano magnesia；
S4. silicon dioxide nano powder is prepared in step S2 and S3 and nano magnesia is added into ball grinder, with two kinds
Various sizes of zirconium pearl carries out ball milling 30h, raw material and zirconium pearl is put into baking oven and is dried after ball milling as ball-milling medium,
Raw material powder is isolated, then by the raw material isolated in reduction furnace, is sintered 14h, heating rate under conditions of 1300 DEG C
For 5 DEG C/min, it will finally be sintered blocking magnesium silicate and first ground and carry out ball milling again, be put into agate mortar and grind, then
It is put into ball grinder, uses zirconium ball as abrasive media, acetone is as dispersing agent, and drying filters out nano-silicon acid magnesium after ball milling 48h
Powder；
S5. according to oleic acid, stearic acid is that 6:3:1 is mixed according to volume ratio with hexamethylene, after ultrasonic disperse is uniform, in mass ratio
10:2 is added step S4 and a nanometer magnesium silicate powder is prepared, and ultrasonic disperse is uniform at 60 DEG C, obtains modified Nano magnesium silicate
Powder.
Embodiment 3
Nanometer magnesium silicate powders the preparation method comprises the following steps:
S1. ethyl orthosilicate is added into ethanol water, is mixed to uniformly, microwave irradiation at being 45 DEG C in temperature
25min obtains silica solution；
S2. the silica solution that step S1 is prepared is sheared under ultrasonic wave 3h, is then sintered under oxygen-free environment, sintering ginseng
Number is set as 2 DEG C/min and is warming up to 100 DEG C, and then 2 DEG C/min is warming up to 160 DEG C, and last 4 DEG C/min is warming up to 380 DEG C, and protects
Warm 2h, obtains silicon dioxide nano powder；
S3. configuration concentration is the NaOH solution of 3mol/L, and epsom salt is then added in the solution, is mixed into gel
Then shape adds NaHCO3And PEG-2000, wherein n(Mg2+): n(NaOH): n(NaHCO3) ratio be 7:7.5:6.5,
To complete, washing obtains magnesium carbonate, obtained magnesium carbonate is sintered 1h at 600 DEG C, obtains nano magnesia for reaction；
S4. silicon dioxide nano powder is prepared in step S2 and S3 and nano magnesia is added into ball grinder, with two kinds
Various sizes of zirconium pearl carries out ball milling 25h, raw material and zirconium pearl is put into baking oven and is dried after ball milling as ball-milling medium,
Raw material powder is isolated, then by the raw material isolated in reduction furnace, is sintered 10h, heating rate under conditions of 1200 DEG C
For 4 DEG C/min, it will finally be sintered blocking magnesium silicate and first ground and carry out ball milling again, be put into agate mortar and grind, then
It is put into ball grinder, uses zirconium ball as abrasive media, acetone is as dispersing agent, and drying filters out nano-silicon acid magnesium after ball milling 48h
Powder；
S5. according to oleic acid, stearic acid is that 6:3:1 is mixed according to volume ratio with hexamethylene, after ultrasonic disperse is uniform, in mass ratio
10:2 is added step S4 and a nanometer magnesium silicate powder is prepared, and ultrasonic disperse is uniform at 55 DEG C, obtains modified Nano magnesium silicate
Powder.
Embodiment 4
A kind of high temperature resistant gear grease, weighs following component by weight:
85 parts of polyalphaolefin, 6 parts of 12- hydroxy stearic acid, 2 parts of azelaic acid, 25 parts of 15wt% lithium hydroxide solution, antioxidant 1.8
Part, 0.5 part of di-n-butyl phosphite, 1.5 parts of modified Nano magnesium silicate powders of the preparation of embodiment 1；
Above-mentioned high temperature resistant gear grease the preparation method comprises the following steps: by 12- hydroxy stearic acid be added 1/2 parts by weight polyalphaolefin base
In plinth oil, heating saponification is warming up to 140 DEG C, then be cooled to 90 DEG C, azelaic acid is added, and continues to add lithium hydroxide solution saponification, soap
It is warming up to 100 DEG C of heat preservation 8h after change, then is rapidly heated to 170 DEG C, heat preservation 3h carries out heat preservation dehydration, and surplus is added after dehydration
Polyalphaolefin base and remaining ingredient, are to slowly warm up to 200 DEG C and are refined, cooled down rapidly after refining, and homogenizing grinding is made
Finished product.
Embodiment 5
A kind of high temperature resistant gear grease, weighs following component by weight:
95 parts of polyalphaolefin, 9 parts of 12- hydroxy stearic acid, 3 parts of azelaic acid, 20 parts of 10wt% lithium hydroxide solution, 1 part of antioxidant,
2 parts of di-n-butyl phosphite, 2.8 parts of modified Nano magnesium silicate powders of the preparation of embodiment 2；
Above-mentioned high temperature resistant gear grease the preparation method comprises the following steps: by 12- hydroxy stearic acid be added 1/2 parts by weight polyalphaolefin base
In plinth oil, heating saponification is warming up to 150 DEG C, then be cooled to 90 DEG C, azelaic acid is added, and continues to add lithium hydroxide solution saponification, soap
It is warming up to 110 DEG C of heat preservation 4h after change, then is rapidly heated to 190 DEG C, heat preservation 5h carries out heat preservation dehydration, and surplus is added after dehydration
Polyalphaolefin base and remaining ingredient, are to slowly warm up to 210 DEG C and are refined, cooled down rapidly after refining, and homogenizing grinding is made
Finished product.
Embodiment 6
A kind of high temperature resistant gear grease, weighs following component by weight:
90 parts of polyalphaolefin, 8 parts of 12- hydroxy stearic acid, 2.6 parts of azelaic acid, 23 parts of 12wt% lithium hydroxide solution, antioxidant
1.5 parts, 1 part of di-n-butyl phosphite, 2.2 parts of modified Nano magnesium silicate powders of the preparation of embodiment 3；
Above-mentioned high temperature resistant gear grease the preparation method comprises the following steps: by 12- hydroxy stearic acid be added 1/2 parts by weight polyalphaolefin base
In plinth oil, heating saponification is warming up to 145 DEG C, then be cooled to 90 DEG C, azelaic acid is added, and continues to add lithium hydroxide solution saponification, soap
It is warming up to 110 DEG C of heat preservation 6h after change, then is rapidly heated to 180 DEG C, heat preservation 4h carries out heat preservation dehydration, and surplus is added after dehydration
Polyalphaolefin base and remaining ingredient, are to slowly warm up to 200 DEG C and are refined, cooled down rapidly after refining, and homogenizing grinding is made
Finished product.
Comparative example is same as Example 6, wherein common magnesium silicate powders are added, remaining parameter is all the same.
The comparison of various performances see the table below in embodiment and comparative example.
| Test index | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example | |
| Dropping point (DEG C) | GB/T 3498 | 303 | 306 | 308 | 245 |
| Lubricating life (h) | At 150 DEG C, 1000r/min, 204 bearings | 850 | 824 | 836 | 600 |
| Cone penetration (200 DEG C, for 24 hours), 0.1mm | GB/T 269 | 312 | 322 | 328 | 266 |
| Extreme pressure property (maximum nonseizure load PB value) N | GB/T 12583 | 824 | 831 | 845 | 665 |
| Extreme pressure property (sintering load PD value) N | GB/T 12583 | 3825 | 3984 | 3988 | 2612 |
Claims (4)
1. a kind of high temperature resistant gear grease, which is characterized in that weigh following component by weight:
85-95 parts of polyalphaolefin, 6-9 parts of 12- hydroxy stearic acid, 2-3 parts of azelaic acid, 10-15wt% lithium hydroxide solution 20-25
Part, 1-1.8 parts of antioxidant, 0.5-2 parts of di-n-butyl phosphite, 1.5-2.8 parts of modified Nano magnesium silicate powders；
Above-mentioned high temperature resistant gear grease the preparation method comprises the following steps: by 12- hydroxy stearic acid be added 1/2 parts by weight polyalphaolefin base
In plinth oil, heating saponification is warming up to 140-150 DEG C, then be cooled to 90 DEG C, azelaic acid is added, and continues to add lithium hydroxide solution soap
Change, 100-110 DEG C of heat preservation 4-8h is warming up to after saponification, then be rapidly heated to 170-190 DEG C, it is de- that heat preservation 3-5h carries out heat preservation
Water is added surplus polyalphaolefin base and remaining ingredient, is to slowly warm up to 200-210 DEG C and is refined after dehydration, fast after refining
Quickly cooling but, grind, finished product by homogenizing.
2. a kind of high temperature resistant gear grease according to claim 1, which is characterized in that the nanometer magnesium silicate powders
The preparation method comprises the following steps:
S1. ethyl orthosilicate is added into ethanol water, is mixed to uniformly, microwave spoke at being 40-50 DEG C in temperature
According to 20-30min, silica solution is obtained；
S2. the silica solution that step S1 is prepared is sheared under ultrasonic wave 2-4h, is then sintered, obtains under oxygen-free environment
Silicon dioxide nano powder；
S3. configuration concentration is the NaOH solution of 2-5mol/L, and epsom salt is then added in the solution, is mixed into solidifying
Then glue adds NaHCO3And PEG-2000, to complete, washing obtains magnesium carbonate, obtained magnesium carbonate is existed for reaction
It is sintered 1h at 600 DEG C, obtains nano magnesia；
S4. silicon dioxide nano powder is prepared in step S2 and S3 and nano magnesia is added into ball grinder, with two kinds
Various sizes of zirconium pearl carries out ball milling 20-30h, raw material and zirconium pearl is put into baking oven and is dried after ball milling as ball-milling medium
It is dry, raw material powder is isolated, then by the raw material isolated in reduction furnace, is sintered 8- under conditions of 1100-1300 DEG C
14h, heating rate are 3-5 DEG C/min, will finally be sintered blocking magnesium silicate and are first ground and carry out ball milling again, are put into agate and grind
It grinds, is then placed in ball grinder in alms bowl, use zirconium ball as abrasive media, acetone is as dispersing agent, dry screening after ball milling 48h
Nanometer magnesium silicate powder out；
S5. according to oleic acid, stearic acid is that 6:3:1 is mixed according to volume ratio with hexamethylene, after ultrasonic disperse is uniform, in mass ratio
10:2 is added step S4 and a nanometer magnesium silicate powder is prepared, and ultrasonic disperse is uniform at 50-60 DEG C, obtains modified Nano silicic acid
Magnesium powder body.
3. a kind of high temperature resistant gear grease according to claim 1, it is characterised in that: sintering parameter in the step S2
It is set as 2-3 DEG C/min and is warming up to 100 DEG C, then 2-3 DEG C/min is warming up to 160 DEG C, and last 4 DEG C/min is warming up to 380 DEG C, and
Keep the temperature 2h.
4. a kind of high temperature resistant gear grease according to claim 2, it is characterised in that: n(Mg in the step S32+): n
(NaOH): n(NaHCO3) ratio be 4-6:6.5-8.5:6-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311390.9A CN109536238A (en) | 2018-11-06 | 2018-11-06 | A kind of high temperature resistant gear grease |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311390.9A CN109536238A (en) | 2018-11-06 | 2018-11-06 | A kind of high temperature resistant gear grease |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109536238A true CN109536238A (en) | 2019-03-29 |
Family
ID=65844389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811311390.9A Pending CN109536238A (en) | 2018-11-06 | 2018-11-06 | A kind of high temperature resistant gear grease |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109536238A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200670A (en) * | 2006-12-12 | 2008-06-18 | 中国石油天然气集团公司 | Composite lithium-base grease and method for making same |
| CN101386713A (en) * | 2008-07-28 | 2009-03-18 | 中国人民解放军装甲兵工程学院 | Nano hydroxyl magnesium silicate powder and preparation method thereof |
| WO2014124698A1 (en) * | 2013-02-18 | 2014-08-21 | Amril Ag | Ester lubricant for oilfield- and other industrial lubricant applications |
| CN105316080A (en) * | 2014-07-29 | 2016-02-10 | 上海宝钢工业技术服务有限公司 | Preparation method for lubricating oil additive with energy-saving, antiwear and self-repairing functions |
| CN107338100A (en) * | 2017-07-21 | 2017-11-10 | 程叶红 | A kind of lubricating oil |
| CN107488484A (en) * | 2017-08-21 | 2017-12-19 | 北京交通大学 | A kind of method that scion grafting aliphatic acid prepares antiwear composite additive |
-
2018
- 2018-11-06 CN CN201811311390.9A patent/CN109536238A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200670A (en) * | 2006-12-12 | 2008-06-18 | 中国石油天然气集团公司 | Composite lithium-base grease and method for making same |
| CN101386713A (en) * | 2008-07-28 | 2009-03-18 | 中国人民解放军装甲兵工程学院 | Nano hydroxyl magnesium silicate powder and preparation method thereof |
| WO2014124698A1 (en) * | 2013-02-18 | 2014-08-21 | Amril Ag | Ester lubricant for oilfield- and other industrial lubricant applications |
| CN105316080A (en) * | 2014-07-29 | 2016-02-10 | 上海宝钢工业技术服务有限公司 | Preparation method for lubricating oil additive with energy-saving, antiwear and self-repairing functions |
| CN107338100A (en) * | 2017-07-21 | 2017-11-10 | 程叶红 | A kind of lubricating oil |
| CN107488484A (en) * | 2017-08-21 | 2017-12-19 | 北京交通大学 | A kind of method that scion grafting aliphatic acid prepares antiwear composite additive |
Non-Patent Citations (1)
| Title |
|---|
| 成诺: "高压烧结硅酸镁陶瓷及其微波介电性能研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103981004B (en) | Extreme pressure Al Matrix Grease composition and preparation method | |
| CN103666640B (en) | Inorganic lubricant powder and preparation method thereof | |
| CN102943224B (en) | Copper alloy base self-lubricating composite material and preparation method thereof | |
| CN104439250B (en) | Method for manufacturing dispersion strengthening copper-based oil bearing | |
| CN109022110A (en) | Using micro-nano powder as liquid metal lubricant of additive and preparation method thereof | |
| CN104480336B (en) | A kind of high-temperature-resistant high WC-Co-Ti3siC2the preparation method of Hardmetal materials | |
| CN104327917A (en) | Modified SiO2 lubricating grease and preparation method thereof | |
| CN105036749A (en) | Hot-pressing preparation method for hexagonal boron nitride-added silicon nitride | |
| CN106086556B (en) | A kind of low-noise wearable oiliness bearing | |
| CN1088114C (en) | Tin-bronze base self-lubricating composite material | |
| CN109536238A (en) | A kind of high temperature resistant gear grease | |
| CN105273813A (en) | Graphite lubricant with good high temperature adhesion | |
| CN114749658A (en) | Preparation method of composite rare earth element reinforced powder metallurgy friction material | |
| CN103113969A (en) | Modified composite titanium-based grease of micron-nano particles and preparation method thereof | |
| CN103627921B (en) | A kind of interpolation WS 2and MoS 2copper radical self-lubricating matrix material and preparation method thereof | |
| CN111001811B (en) | Wide-temperature-range Ni taking Cu @ Ni core-shell structure as lubricating phase3Al-based self-lubricating composite material and preparation method thereof | |
| CN108465808A (en) | A kind of preparation method of tin bronze ferrous based powder metallurgical and its oiliness bearing | |
| CN106493353A (en) | A kind of copper silver-based self-lubricating composite and preparation method thereof | |
| CN106995742B (en) | Lubricating grease and preparation method thereof | |
| CN106947580B (en) | Exposed gear waterproof grease composition and preparation method thereof | |
| CN105400978A (en) | Wide-adaptability double-mechanism self-lubricating bearing material | |
| CN115572635A (en) | Wear-resistant lubricating oil for drill bit and preparation method thereof | |
| CN108085096A (en) | A kind of high dropping point universal lithium base grease and preparation method thereof | |
| CN103361578A (en) | Alloy chromium-powder-containing metallurgical steel and preparation method thereof | |
| CN108262474A (en) | A kind of articulated robot self-lubricating material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190329 |