CN112410101A - Precise high-molecular special lubricating grease and preparation method thereof - Google Patents
Precise high-molecular special lubricating grease and preparation method thereof Download PDFInfo
- Publication number
- CN112410101A CN112410101A CN202011367777.3A CN202011367777A CN112410101A CN 112410101 A CN112410101 A CN 112410101A CN 202011367777 A CN202011367777 A CN 202011367777A CN 112410101 A CN112410101 A CN 112410101A
- Authority
- CN
- China
- Prior art keywords
- parts
- weight
- lubricating grease
- stirring
- thickening agent
- 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
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
-
- 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
- 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
- C10M2205/026—Butene
-
- 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
- C10M2207/126—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 monocarboxylic
-
- 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
- C10M2209/12—Polysaccharides, e.g. cellulose, biopolymers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a precision high-molecular special lubricating grease which is characterized by comprising the following components in parts by weight: 63-82 parts of base oil, 7-10 parts of a thickening agent, 5-10 parts of lithium hydroxide (LiOH. H2O), 2-4 parts of colloidal graphite, 3-5 parts of nano-scale light calcium carbonate, 2-5 parts of polyisobutylene, 5-8 parts of dimer acid, 3-5 parts of borate and 1-3 parts of cellulose. The special lubricating grease is high temperature resistant, water spray resistant and extreme pressure resistant, can effectively protect a belt and a gear, prolongs the service life and reduces the use cost.
Description
Technical Field
The invention belongs to the technical field of lubricating grease, and particularly relates to precision high-molecular special lubricating grease and a preparation method thereof.
Background
The parts of open gears, belts and the like are often required to be lubricated with lubricating grease with the characteristics of rain resistance, dust resistance, shear resistance, high temperature resistance and the like. The traditional lubrication mode of the part is wet lubrication or spray lubrication, and the traditional lubrication is also adopted. Not only does this approach require frequent maintenance, but the amount of gear wear can reach 2.87mm per year. In addition, under the condition of high temperature, the open gear and the belt often have the problems of lubrication failure, trapezoidal lines on the surface of the belt, large vibration, tooth cracking and the like.
Disclosure of Invention
The invention aims to provide precise high-molecular special lubricating grease suitable for wheel belts and gears working under high-temperature conditions, which is high-temperature resistant, water-spray resistant and extreme-pressure resistant, and can effectively protect the wheel belts and the gears, so that the service life is prolonged, and the use cost is reduced. In addition, the invention also provides a preparation method of the lubricating grease, and the method has the advantages of reasonable raw material proportion, advanced process and low cost.
The invention relates to a precision high-molecular special lubricating grease which is characterized by comprising the following components in parts by weight: 63-82 parts of base oil, 7-10 parts of a thickening agent, 5-10 parts of lithium hydroxide (LiOH. H2O), 2-4 parts of colloidal graphite, 3-5 parts of nano light calcium carbonate, 2-5 parts of polyisobutylene, 5-8 parts of dimer acid, 3-5 parts of borate and 1-3 parts of cellulose, wherein the thickening agent is a mixture of 40% of boric acid and 60% of stearic acid.
The paint comprises the following components in parts by weight: 66 parts of base oil, 8 parts of thickening agent, 6 parts of lithium hydroxide (LiOH. H2O), 2 parts of colloidal graphite, 4 parts of nano-grade light calcium carbonate, 3 parts of polyisobutylene, 6 parts of dimer acid, 3 parts of borate and 2 parts of cellulose.
The method comprises the following steps:
(1) uniformly stirring 7-10 parts by weight of thickening agent and 3-5 parts by weight of nano light calcium carbonate, adding the uniformly stirred thickening agent and 33-40 parts by weight of base oil into a saponification kettle, gradually heating until the thickening agent is dissolved, and starting stirring;
(2) dissolving 5-10 parts of lithium hydroxide (LiOH. H2O) in water to form a lithium hydroxide aqueous solution, adding the lithium hydroxide aqueous solution into a saponification kettle when the temperature of the mixed solution in the step (1) is raised to 60-70 ℃, continuously raising the temperature for saponification, controlling the saponification at the temperature of 90-110 ℃ for 3 hours, and stirring the materials uniformly;
(3) after the saponification reaction is finished, continuously stirring, heating and dehydrating, sampling and measuring the free alkali of the soap base when the temperature reaches 120-130 ℃, continuously heating the qualified materials to 135-140 ℃, adding 30-42 parts by weight of base oil for thickening, adding 5-8 parts by weight of dimer acid and 2-4 parts by weight of colloidal graphite for stirring, continuously heating to 150-160 ℃, keeping the temperature for 15min, adding 2-5 parts by weight of polyisobutylene and 3-5 parts by weight of borate, enabling the content in the kettle to be in a true liquid state, and pumping the lubricating grease into a blending kettle through a filter for reflux cooling;
the lubricating grease is refluxed and cooled for 2 to 4 hours in a blending kettle under stirring, 1 to 3 parts of cellulose is added when the temperature is reduced to 145 ℃ under stirring, the lubricating grease is cooled after being stirred evenly and is ground and filtered by a grinder, and the precision high polymer special lubricating grease is prepared by filtering and refining.
The precision high molecular special lubricating grease is mainly applied to lubrication of a belt and a gear under the high-temperature condition, has a wide working temperature range (-60 ℃ -230 ℃), namely, under the temperature range, a protective oil film with enough thickness can be formed, good abrasion protection performance can be provided under impact load, and the annual abrasion loss of the gear adopting the lubricating grease is 0.478 mm. The lubricating grease is high temperature resistant, water spray resistant and extreme pressure resistant, can effectively protect a belt and a gear, prolongs the service life and reduces the use cost.
Detailed Description
The present invention is described in further detail below with reference to examples, but it should not be construed that the scope of the above subject matter of the present invention is limited to the following examples, and that all the technologies realized based on the above subject matter of the present invention belong to the scope of the present invention.
Example 1
The precision high-molecular special lubricating grease comprises the following components in parts by weight: 66 parts of base oil, 8 parts of thickening agent, 6 parts of lithium hydroxide (LiOH. H2O), 2 parts of colloidal graphite, 4 parts of nano-grade light calcium carbonate, 3 parts of polyisobutylene, 6 parts of dimer acid, 3 parts of borate and 2 parts of cellulose.
The preparation method of the precision high-molecular special lubricating grease comprises the following steps:
(1) uniformly stirring 8 parts by weight of thickening agent and 4 parts by weight of nano-scale light calcium carbonate, adding the uniformly stirred thickening agent and 35 parts by weight of base oil into a saponification kettle, gradually heating until the thickening agent is dissolved, and starting stirring;
(2) dissolving 6 parts of lithium hydroxide (LiOH. H2O) in water to form a lithium hydroxide aqueous solution, adding the lithium hydroxide aqueous solution into a saponification kettle when the temperature of the mixed solution in the step (1) is raised to 60-70 ℃, continuously raising the temperature for saponification, controlling the saponification at 90-110 ℃ for 3H, and stirring the materials uniformly;
(3) after the saponification reaction is finished, continuously stirring, heating and dehydrating, sampling and measuring the free alkali of the soap base when the temperature reaches 120-140 ℃, continuously heating the qualified materials to 135-140 ℃, adding 31 parts by weight of base oil for thickening, adding 6 parts by weight of dimer acid and 2 parts by weight of colloidal graphite for stirring, continuously heating to 150-160 ℃, keeping the temperature for 15min, adding 3 parts by weight of polyisobutylene and 3 parts by weight of borate, making the content in the kettle in a true liquid state, and pumping the lubricating grease into a blending kettle through a filter for reflux cooling;
(4) and (3) refluxing and cooling the lubricating grease in a blending kettle for 2-4h under stirring, adding 2 parts of cellulose when stirring and cooling to 145 ℃, uniformly stirring, cooling, grinding by a grinding machine, filtering, and refining by filtering to obtain the precision high-molecular special lubricating grease.
Example 2
The precision high-molecular special lubricating grease comprises the following components in parts by weight: 63 parts of base oil, 7 parts of a thickening agent, 5 parts of lithium hydroxide (LiOH. H2O), 2 parts of colloidal graphite, 3 parts of nano light calcium carbonate, 2 parts of polyisobutylene, 5 parts of dimer acid, 3 parts of borate and 1 part of cellulose.
The preparation method of the precision high-molecular special lubricating grease comprises the following steps:
(1) uniformly stirring 7 parts by weight of thickening agent and 3 parts by weight of nano-scale light calcium carbonate, adding the uniformly stirred thickening agent and 33 parts by weight of base oil into a saponification kettle, gradually heating until the thickening agent is dissolved, and starting stirring;
(2) dissolving 5 parts of lithium hydroxide (LiOH. H2O) in water to form a lithium hydroxide aqueous solution, adding the lithium hydroxide aqueous solution into a saponification kettle when the temperature of the mixed solution in the step (1) is raised to 60-70 ℃, continuously raising the temperature for saponification, controlling the saponification at 90-110 ℃ for 3H, and stirring the materials uniformly;
(3) after the saponification reaction is finished, continuously stirring, heating and dehydrating, sampling and measuring the free alkali of the soap base when the temperature reaches 120-140 ℃, continuously heating the qualified materials to 135-140 ℃, adding 30 parts by weight of base oil for thickening, adding 5 parts by weight of dimer acid and 2 parts by weight of colloidal graphite for stirring, continuously heating to 150-160 ℃, keeping the temperature for 15min, adding 2 parts by weight of polyisobutylene and 3 parts by weight of borate, making the content in the kettle in a true liquid state, and pumping the lubricating grease into a blending kettle through a filter for reflux cooling;
(4) and (3) refluxing and cooling the lubricating grease in a blending kettle for 2-4h under stirring, adding 1 part of cellulose when stirring and cooling to 145 ℃, uniformly stirring, cooling, grinding by a grinding machine, filtering, and refining by filtering to obtain the precision high-molecular special lubricating grease.
Example 3
The precision high-molecular special lubricating grease comprises the following components in parts by weight: 82 parts of base oil, 10 parts of a thickening agent, 10 parts of lithium hydroxide (LiOH. H2O), 4 parts of colloidal graphite, 5 parts of nano-grade light calcium carbonate, 5 parts of polyisobutylene, 8 parts of dimer acid, 5 parts of borate and 3 parts of cellulose.
The preparation method of the precision high-molecular special lubricating grease comprises the following steps:
(1) uniformly stirring 10 parts by weight of thickening agent and 5 parts by weight of nano-scale light calcium carbonate, adding the uniformly stirred thickening agent and 40 parts by weight of base oil into a saponification kettle, gradually heating until the thickening agent is dissolved, and starting stirring;
(2) dissolving 10 parts of lithium hydroxide (LiOH. H2O) in water to form a lithium hydroxide aqueous solution, adding the lithium hydroxide aqueous solution into a saponification kettle when the temperature of the mixed solution in the step (1) is raised to 60-70 ℃, continuously raising the temperature for saponification, controlling the saponification at 90-110 ℃ for 3H, and stirring the materials uniformly;
(3) after the saponification reaction is finished, continuously stirring, heating and dehydrating, sampling and measuring the free alkali of the soap base when the temperature reaches 120-140 ℃, continuously heating the qualified materials to 135-140 ℃, adding 42 parts by weight of base oil for thickening, adding 8 parts by weight of dimer acid and 4 parts by weight of colloidal graphite for stirring, continuously heating to 150-160 ℃, keeping the temperature for 15min, adding 5 parts by weight of polyisobutylene and 5 parts by weight of borate, making the content in the kettle in a true liquid state, and pumping the lubricating grease into a blending kettle through a filter for reflux cooling;
(4) and (3) refluxing and cooling the lubricating grease in a blending kettle for 2-4h under stirring, adding 3 parts of cellulose when stirring and cooling to 145 ℃, uniformly stirring, cooling, grinding by a grinding machine, filtering, and refining by filtering to obtain the precision high-molecular special lubricating grease.
The gear and wheel belt adopting the traditional lubricating oil generally change oil once every 3 months, and 1.2 tons/unit of oil is added every time, while the precision polymer special lubricating grease in the above examples 1-3 is adopted, and the annual lubricating agent is 200 kilograms. And the wear loss of the open gear under the traditional lubrication mode is 2.87mm per year, and the wear loss after the lubricating grease is adopted is 0.478mm per year.
Compared with other lubricating greases on the market, the precision high polymer special lubricating grease is high-temperature resistant, water-spray resistant and extreme-pressure resistant, is particularly suitable for lubricating the wheel belt and the gear part working under severe environmental conditions, and effectively protects the wheel belt and the gear, so that the service life is prolonged, and the use cost is reduced.
While there have been shown and described what are at present considered to be the principles of the invention, its essential features and advantages, it will be understood that the invention is capable of numerous modifications and variations, all of which are within the scope of the invention as hereinafter claimed.
Claims (3)
1. The precision high-molecular special lubricating grease is characterized by comprising the following components in parts by weight: 63-82 parts of base oil, 7-10 parts of a thickening agent, 5-10 parts of lithium hydroxide (LiOH. H2O), 2-4 parts of colloidal graphite, 3-5 parts of nano light calcium carbonate, 2-5 parts of polyisobutylene, 5-8 parts of dimer acid, 3-5 parts of borate and 1-3 parts of cellulose, wherein the thickening agent is a mixture of 40% of boric acid and 60% of stearic acid.
2. The precision polymer special lubricating grease of claim 1, which is characterized by comprising the following components in parts by weight: 66 parts of base oil, 8 parts of thickening agent, 6 parts of lithium hydroxide (LiOH. H2O), 2 parts of colloidal graphite, 4 parts of nano-grade light calcium carbonate, 3 parts of polyisobutylene, 6 parts of dimer acid, 3 parts of borate and 2 parts of cellulose.
3. The preparation method of the precision polymer special lubricating grease as claimed in claim 1, which is characterized by comprising the following steps:
uniformly stirring 7-10 parts by weight of thickening agent and 3-5 parts by weight of nano light calcium carbonate, adding the uniformly stirred thickening agent and 33-40 parts by weight of base oil into a saponification kettle, gradually heating until the thickening agent is dissolved, and starting stirring;
dissolving 5-10 parts of lithium hydroxide (LiOH. H2O) in water to form a lithium hydroxide aqueous solution, adding the lithium hydroxide aqueous solution into a saponification kettle when the temperature of the mixed solution in the step (1) is raised to 60-70 ℃, continuously raising the temperature for saponification, controlling the saponification at the temperature of 90-110 ℃ for 3 hours, and stirring the materials uniformly;
after the saponification reaction is finished, continuously stirring, heating and dehydrating, sampling and measuring the free alkali of the soap base when the temperature reaches 120-130 ℃, continuously heating the qualified materials to 135-140 ℃, adding 30-42 parts by weight of base oil for thickening, adding 5-8 parts by weight of dimer acid and 2-4 parts by weight of colloidal graphite for stirring, continuously heating to 150-160 ℃, keeping the temperature for 15min, adding 2-5 parts by weight of polyisobutylene and 3-5 parts by weight of borate, enabling the content in the kettle to be in a true liquid state, and pumping the lubricating grease into a blending kettle through a filter for reflux cooling;
the lubricating grease is refluxed and cooled for 2 to 4 hours in a blending kettle under stirring, 1 to 3 parts of cellulose is added when the temperature is reduced to 145 ℃ under stirring, the lubricating grease is cooled after being stirred evenly and is ground and filtered by a grinder, and the precision high polymer special lubricating grease is prepared by filtering and refining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011367777.3A CN112410101A (en) | 2020-11-30 | 2020-11-30 | Precise high-molecular special lubricating grease and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011367777.3A CN112410101A (en) | 2020-11-30 | 2020-11-30 | Precise high-molecular special lubricating grease and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112410101A true CN112410101A (en) | 2021-02-26 |
Family
ID=74828803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011367777.3A Pending CN112410101A (en) | 2020-11-30 | 2020-11-30 | Precise high-molecular special lubricating grease and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112410101A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388436A (en) * | 2021-06-18 | 2021-09-14 | 中国石油化工股份有限公司 | Boric acid lithium complex grease composition and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011095155A1 (en) * | 2010-02-02 | 2011-08-11 | Fuchs Petrolub Ag | Lubricating greases containing lignosulfonate, the production thereof, and the use thereof |
| CN107418689A (en) * | 2017-05-22 | 2017-12-01 | 新乡市恒星科技有限责任公司 | Wide temperature extreme pressure water-resistant antiwear lubricating grease and preparation method thereof |
| CN110358610A (en) * | 2019-08-19 | 2019-10-22 | 新乡市恒星科技有限责任公司 | A kind of preparation method and applications of low speed high load Hmp grease |
| CN111303967A (en) * | 2020-03-31 | 2020-06-19 | 无锡市宜能石化有限公司 | Biodegradable main bearing sealing grease |
-
2020
- 2020-11-30 CN CN202011367777.3A patent/CN112410101A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011095155A1 (en) * | 2010-02-02 | 2011-08-11 | Fuchs Petrolub Ag | Lubricating greases containing lignosulfonate, the production thereof, and the use thereof |
| CN102770513A (en) * | 2010-02-02 | 2012-11-07 | 福斯油品股份公司 | Lubricating greases containing lignosulfonate, the production thereof, and the use thereof |
| CN107418689A (en) * | 2017-05-22 | 2017-12-01 | 新乡市恒星科技有限责任公司 | Wide temperature extreme pressure water-resistant antiwear lubricating grease and preparation method thereof |
| CN110358610A (en) * | 2019-08-19 | 2019-10-22 | 新乡市恒星科技有限责任公司 | A kind of preparation method and applications of low speed high load Hmp grease |
| CN111303967A (en) * | 2020-03-31 | 2020-06-19 | 无锡市宜能石化有限公司 | Biodegradable main bearing sealing grease |
Non-Patent Citations (2)
| Title |
|---|
| 朱廷彬: "《润滑脂技术大全》", 30 April 2005, 中国石化出版社 * |
| 詹益兴等: "《精细化工新产品 第4集》", 30 June 2009, 科学技术文献出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388436A (en) * | 2021-06-18 | 2021-09-14 | 中国石油化工股份有限公司 | Boric acid lithium complex grease composition and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102433203A (en) | Lithium-based lubricating grease composition and preparation method | |
| CN112410101A (en) | Precise high-molecular special lubricating grease and preparation method thereof | |
| CN108822938B (en) | Mixed lithium-based grease for improving dropping point and thermal stability and preparation method thereof | |
| CN103666658B (en) | Multi-use universal aviation grease | |
| CN110358610A (en) | A kind of preparation method and applications of low speed high load Hmp grease | |
| CN102399614B (en) | Composite solid lubricating agent, its preparation method and construction technology | |
| CN110616103B (en) | Commercial vehicle wheel hub bearing lubricating grease and preparation method thereof | |
| CN108300552A (en) | A kind of biodegradable exposed gear grease and preparation method thereof | |
| CN106701259A (en) | Shield tunneling machine shield tail lubricating grease and preparation method thereof | |
| CN107805538B (en) | Special gear oil for enhanced oil pumping unit and preparation method thereof | |
| CN111303977A (en) | Lubricating grease for continuous casting machine and preparation method thereof | |
| CN102660366A (en) | Water-based synthetic cutting fluid lubricating agent, and preparation method and application thereof | |
| CN101445759B (en) | Ultra high temperature lubricating grease and production method thereof | |
| CN111876217A (en) | Steel wire rope lubricating grease composition and preparation method thereof | |
| CN112522017B (en) | Composite barium-based lubricating grease and preparation method thereof | |
| CN114426898B (en) | Lubricating grease compound additive and lubricating grease composition prepared from same | |
| CN105199817A (en) | Low-temperature lithium-calcium bearing lubricating grease and preparation method | |
| CN109679734A (en) | A kind of brake block heat dissipation barrier cream and preparation method | |
| CN101619260A (en) | Preparation method of high shear stability lithium grease | |
| CN106995742B (en) | Lubricating grease and preparation method thereof | |
| CN107384515B (en) | Lubricating oil extreme pressure antiwear agent and preparation method thereof | |
| CN106675706A (en) | Heavy-duty exposed gear lubricating grease for steel ball coal mill and preparation method of heavy-duty exposed gear lubricating grease | |
| CN102660369A (en) | Trace lubricant for machining hobbing and preparation method of lubricant | |
| CN110982594A (en) | Special low-temperature lubricating grease for coal mine and preparation method thereof | |
| CN112342069A (en) | High-temperature anti-sticking sealing lubricating grease 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: 20210226 |