CN107254341A - A kind of compound potassium base grease and preparation method thereof - Google Patents
A kind of compound potassium base grease and preparation method thereof Download PDFInfo
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- CN107254341A CN107254341A CN201710458835.5A CN201710458835A CN107254341A CN 107254341 A CN107254341 A CN 107254341A CN 201710458835 A CN201710458835 A CN 201710458835A CN 107254341 A CN107254341 A CN 107254341A
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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
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
- C10M159/12—Reaction products
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/05—Metals; Alloys
-
- 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
- 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
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/141—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings monocarboxylic
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups used as base material
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
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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
- 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
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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
- 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
- C10M2223/0405—Phosphate esters used as base material
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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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
- C10M2229/0415—Siloxanes with specific structure containing aliphatic substituents used as base material
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- 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
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- 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
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- 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
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- 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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- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
This application discloses a kind of compound potassium base grease and preparation method thereof, include by weight：340 425 parts of synthetic base oil, 54 86 parts of benzoic acid, 32 74 parts of SA, 165 190 parts of 12 hydroxy stearic acid soap, 210 263 parts of solution of potassium carbonate, 72 104 parts of barium mahogany sulfonate, 112 152 parts of antimony dialkyl-dithiocarbamate, 23 41 parts of corrosion inhibiting and descaling agent, 12 37 parts of copper nanoparticle.Thus, the lubricating grease of the present invention is compared with complex lithium grease prepared by prior art, with higher, the good high temperature performance of dropping point and mechanical stability, colloid stability, more prominent abrasion resistant extreme-pressure, especially to being damaged the characteristics of bearing has repair function.
Description
Technical field
The present invention relates to lubricating grease, more particularly to a kind of compound potassium base grease and preparation method thereof.
Background technology
Lubricating grease is that a kind of grease-like of stiff is semi-solid, for the friction portion of machinery, plays lubrication and sealing function.
For metal surface, play filling space and antirust is made
Adapted.It is main to be formed by mineral oil or the modulation of synthetic lubricant fluid and thickening agent.Complex lithium grease is by hydroxyl fat
The compound lithium soap of fat acid lithium soap and low molecular acid lithium salts composition generation is thickened base oil and adds the lubricating grease of additive preparation, tool
There is excellent high-temperature behavior, can be used for the multiple fields such as automobile, steel, railway, aviation, be a kind of multiple-effect, long-life lubrication
Fat.
However, in the market complex lithium grease formula species is various, and it is each has something to recommend him, if but various aspects of performance can be taken into account
Product is few, and its main cause side of being is unqualified, therefore, and in the market needs a kind of scientific and reasonable formula badly, to produce
High performance complex lithium grease.
The content of the invention
It is an object of the invention to provide a kind of compound potassium base grease and preparation method thereof, solve in above-mentioned prior art problem
One or more.
According to an aspect of the present invention there is provided a kind of compound potassium base grease, include by weight：Synthetic base oil
340-425 parts, 54-86 parts of benzoic acid, 32-74 parts of SA, 165-190 parts of 12- hydroxy stearic acid soaps, solution of potassium carbonate 210-
263 parts, 72-104 parts of barium mahogany sulfonate, 112-152 parts of antimony dialkyl-dithiocarbamate, 23-41 parts of corrosion inhibiting and descaling agent, receive
12-37 parts of copper powder of rice.
In some embodiments：Synthetic base oil kinematic viscosity at 120 DEG C is 24-68mm2/s.
In some embodiments：The synthetic base oil is the one or more in polyethers, silicone oil or phosphate.
In some embodiments：The solution of potassium carbonate concentration is 5.3%.
In some embodiments：The corrosion inhibiting and descaling agent is TTA or borate.
Present invention also offers a kind of preparation method of above-mentioned compound potassium base grease, comprise the following steps:
Saponification:The 1/2 of synthetic base oil is added in saponification kettle, strong stirring is carried out, stirs while sequentially adding
Benzoic acid, SA and 12- hydroxy stearic acid soaps, temperature is promoted to after 105-120 DEG C of reaction 20-45m, potassium carbonate is added molten
Liquid saponification 1.5-3h；
Heating dehydration:Material in saponification kettle is transferred to potheater, rapid lifting temperature is added surplus to 270-340 DEG C
Remaining synthetic base oil, the sustained response 15-35m under 4-7Mpa high pressure；
Add additive：Room temperature is cooled to, barium mahogany sulfonate, antimony dialkyl-dithiocarbamate and corrosion-mitigation scale-inhibition is added
Agent persistently stirs 6-9h under 120-150r/min mixing speed；
Grinding：Add copper nanoparticle and grind, that is, compound potassium base grease is made.
The lubricating grease of the present invention is higher, good with dropping point compared with complex lithium grease prepared by prior art
High temperature performance and mechanical stability, colloid stability, more prominent abrasion resistant extreme-pressure, especially to be damaged bearing have repair
The characteristics of multiple function.
Embodiment
The present invention is described in further detail below by embodiment.
Embodiment 1：
Compound potassium base grease, includes by weight：385 parts of synthetic base oil, 62 parts of benzoic acid, 71 parts of SA, 12-
184 parts of hydroxy stearic acid soap, 254 parts of solution of potassium carbonate, 99 parts of barium mahogany sulfonate, 141 parts of antimony dialkyl-dithiocarbamate,
34 parts of corrosion inhibiting and descaling agent, 22 parts of copper nanoparticle.
Wherein, synthetic base oil kinematic viscosity at 120 DEG C is 54mm2/s；The synthetic base oil is polyethers, silicon
One or more in oil or phosphate.
Wherein, the solution of potassium carbonate concentration is 5.3%；The corrosion inhibiting and descaling agent is TTA or boric acid
Salt.
The preparation method of the compound potassium base grease of the present invention：Comprise the following steps:
Saponification:The 1/2 of synthetic base oil is added in saponification kettle, strong stirring is carried out, stirs while sequentially adding
Benzoic acid, SA and 12- hydroxy stearic acid soaps, temperature is promoted to after 1115 DEG C of reaction 37m, solution of potassium carbonate saponification is added
2.5h；
Heating dehydration:Material in saponification kettle is transferred to potheater, rapid lifting temperature is added remaining to 304 DEG C
Synthetic base oil, the sustained response 24m under 6Mpa high pressure；
Add additive：Room temperature is cooled to, barium mahogany sulfonate, antimony dialkyl-dithiocarbamate and corrosion-mitigation scale-inhibition is added
Agent persistently stirs 6h under 142r/min mixing speed；
Grinding：Add copper nanoparticle and grind, that is, compound potassium base grease is made.
Embodiment 2：
Compound potassium base grease, includes by weight：347 parts of synthetic base oil, 59 parts of benzoic acid, 67 parts of SA, 12-
172 parts of hydroxy stearic acid soap, 217 parts of solution of potassium carbonate, 96 parts of barium mahogany sulfonate, 141 parts of antimony dialkyl-dithiocarbamate,
27 parts of corrosion inhibiting and descaling agent, 23 parts of copper nanoparticle.
Wherein, synthetic base oil kinematic viscosity at 115 DEG C is 60mm2/s；The synthetic base oil is polyethers, silicon
One or more in oil or phosphate.
Wherein, the solution of potassium carbonate concentration is 5.5%；The corrosion inhibiting and descaling agent is TTA or boric acid
Salt.
The preparation method of the compound potassium base grease of the present invention：Comprise the following steps:
Saponification:The 1/3 of synthetic base oil is added in saponification kettle, strong stirring is carried out, stirs while sequentially adding
Benzoic acid, SA and 12- hydroxy stearic acid soaps, temperature is promoted to after 122 DEG C of reaction 45m, solution of potassium carbonate saponification is added
3h；
Heating dehydration:Material in saponification kettle is transferred to potheater, rapid lifting temperature is added remaining to 298 DEG C
Synthetic base oil, the sustained response 27m under 4Mpa high pressure；
Add additive：Room temperature is cooled to, barium mahogany sulfonate, antimony dialkyl-dithiocarbamate and corrosion-mitigation scale-inhibition is added
Agent persistently stirs 8h under 142r/min mixing speed；
Grinding：Add copper nanoparticle and grind, that is, compound potassium base grease is made.
Embodiment 3：
Compound potassium base grease, includes by weight：420 parts of synthetic base oil, 87 parts of benzoic acid, 43 parts of SA, 12-
167 parts of hydroxy stearic acid soap, 215 parts of solution of potassium carbonate, 85 parts of barium mahogany sulfonate, 143 parts of antimony dialkyl-dithiocarbamate,
40 parts of corrosion inhibiting and descaling agent, 34 parts of copper nanoparticle.
Wherein, synthetic base oil kinematic viscosity at 115 DEG C is 55mm2/s；The synthetic base oil is polyethers, silicon
One or more in oil or phosphate.
Wherein, the solution of potassium carbonate concentration is 5.3%；The corrosion inhibiting and descaling agent is TTA or boric acid
Salt.
The preparation method of the compound potassium base grease of the present invention：Comprise the following steps:
Saponification:The 1/2 of synthetic base oil is added in saponification kettle, strong stirring is carried out, stirs while sequentially adding
Benzoic acid, SA and 12- hydroxy stearic acid soaps, temperature is promoted to after 117 DEG C of reaction 38m, solution of potassium carbonate saponification is added
1.5h；
Heating dehydration:Material in saponification kettle is transferred to potheater, rapid lifting temperature is added remaining to 334 DEG C
Synthetic base oil, the sustained response 22m under 5.5Mpa high pressure；
Add additive：Room temperature is cooled to, barium mahogany sulfonate, antimony dialkyl-dithiocarbamate and corrosion-mitigation scale-inhibition is added
Agent persistently stirs 8.5h under 131r/min mixing speed；
Grinding：Add copper nanoparticle and grind, that is, compound potassium base grease is made.
Embodiment 4：
Compound potassium base grease, includes by weight：376 parts of synthetic base oil, 58 parts of benzoic acid, 48 parts of SA, 12-
184 parts of hydroxy stearic acid soap, 253 parts of solution of potassium carbonate, 86 parts of barium mahogany sulfonate, 117 parts of antimony dialkyl-dithiocarbamate,
38 parts of corrosion inhibiting and descaling agent, 32 parts of copper nanoparticle.
Wherein, synthetic base oil kinematic viscosity at 130 DEG C is 26mm2/s；The synthetic base oil is polyethers, silicon
One or more in oil or phosphate.
Wherein, the solution of potassium carbonate concentration is 4.8%；The corrosion inhibiting and descaling agent is TTA or boric acid
Salt.
The preparation method of the compound potassium base grease of the present invention：Comprise the following steps:
Saponification:The 1/3 of synthetic base oil is added in saponification kettle, strong stirring is carried out, stirs while sequentially adding
Benzoic acid, SA and 12- hydroxy stearic acid soaps, temperature is promoted to after 115 DEG C of reaction 30m, solution of potassium carbonate saponification is added
3h；
Heating dehydration:Material in saponification kettle is transferred to potheater, rapid lifting temperature is added remaining to 334 DEG C
Synthetic base oil, the sustained response 28m under 6.3Mpa high pressure；
Add additive：Room temperature is cooled to, barium mahogany sulfonate, antimony dialkyl-dithiocarbamate and corrosion-mitigation scale-inhibition is added
Agent persistently stirs 8h under 130/min mixing speed；
Grinding：Add copper nanoparticle and grind, that is, compound potassium base grease is made.
Embodiment 5：
Compound potassium base grease, includes by weight：375 parts of synthetic base oil, 76 parts of benzoic acid, 38 parts of SA, 12-
190 parts of hydroxy stearic acid soap, 256 parts of solution of potassium carbonate, 87 parts of barium mahogany sulfonate, 142 parts of antimony dialkyl-dithiocarbamate,
38 parts of corrosion inhibiting and descaling agent, 36 parts of copper nanoparticle.
Wherein, synthetic base oil kinematic viscosity at 120 DEG C is 57mm2/s；The synthetic base oil is polyethers, silicon
One or more in oil or phosphate.
Wherein, the solution of potassium carbonate concentration is 5.5%；The corrosion inhibiting and descaling agent is TTA or boric acid
Salt.
The preparation method of the compound potassium base grease of the present invention：Comprise the following steps:
Saponification:The 1/2 of synthetic base oil is added in saponification kettle, strong stirring is carried out, stirs while sequentially adding
Benzoic acid, SA and 12- hydroxy stearic acid soaps, temperature is promoted to after 105 DEG C of reaction 30m, solution of potassium carbonate saponification is added
2.5h；
Heating dehydration:Material in saponification kettle is transferred to potheater, rapid lifting temperature is added remaining to 330 DEG C
Synthetic base oil, the sustained response 20m under 4.8Mpa high pressure；
Add additive：Room temperature is cooled to, barium mahogany sulfonate, antimony dialkyl-dithiocarbamate and corrosion-mitigation scale-inhibition is added
Agent persistently stirs 8h under 140r/min mixing speed；
Grinding：Add copper nanoparticle and grind, that is, compound potassium base grease is made.
The product of above-described embodiment tests as follows with traditional lubrication fat for mechanical bearing lubricant effect：
Wherein, inventor is drawn by substantial amounts of experiment, the compound lithium base that lubricating grease of the invention is prepared with prior art
Lubricating grease compares, and with higher, the good high temperature performance of dropping point and mechanical stability, colloid stability, more prominent is anti-
Extreme pressure property is ground, especially to being damaged the characteristics of bearing has repair function.
Described above is only one embodiment of the present invention, it is noted that to those skilled in the art,
Without departing from the concept of the premise of the invention, some similar modification and improvement can also be made, these also should be regarded as this
Within the protection domain of invention.
Claims (6)
1. a kind of compound potassium base grease, it is characterised in that include by weight：340-425 parts of synthetic base oil, benzoic acid
54-86 parts, 32-74 parts of SA, 165-190 parts of 12- hydroxy stearic acid soaps, 210-263 parts of solution of potassium carbonate, barium mahogany sulfonate
72-104 parts, 112-152 parts of antimony dialkyl-dithiocarbamate, 23-41 parts of corrosion inhibiting and descaling agent, 12-37 parts of copper nanoparticle.
2. a kind of compound potassium base grease according to claim 1, it is characterised in that：The synthetic base oil is at 120 DEG C
Lower kinematic viscosity is 24-68mm2/s。
3. a kind of compound potassium base grease according to claim 2, it is characterised in that：The synthetic base oil be polyethers,
One or more in silicone oil or phosphate.
4. a kind of compound potassium base grease according to claim 1, it is characterised in that：The solution of potassium carbonate concentration is
5.3%.
5. a kind of compound potassium base grease according to claim 1, it is characterised in that：The corrosion inhibiting and descaling agent is methylbenzene
Parallel triazole or borate.
6. a kind of method for preparing any one of the claim 1-5 compound potassium base greases, it is characterised in that, including following step
Suddenly:
Saponification:The 1/2 of synthetic base oil is added in saponification kettle, strong stirring is carried out, stirs while sequentially adding benzene first
Acid, SA and 12- hydroxy stearic acid soaps, temperature is promoted to after 105-120 DEG C of reaction 20-45m, solution of potassium carbonate soap is added
Change 1.5-3h；
Heating dehydration:Material in saponification kettle is transferred to potheater, rapid lifting temperature is added remaining to 270-340 DEG C
Synthetic base oil, the sustained response 15-35m under 4-7Mpa high pressure；
Add additive：Room temperature is cooled to, barium mahogany sulfonate, antimony dialkyl-dithiocarbamate and corrosion inhibiting and descaling agent is added and exists
6-9h is persistently stirred under 120-150r/min mixing speed；
Grinding：Add copper nanoparticle and grind, that is, compound potassium base grease is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458835.5A CN107254341A (en) | 2017-06-16 | 2017-06-16 | A kind of compound potassium base grease and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458835.5A CN107254341A (en) | 2017-06-16 | 2017-06-16 | A kind of compound potassium base grease and preparation method thereof |
Publications (1)
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