CN112210423A - High-stability guide rail lubricating oil and preparation method thereof - Google Patents
High-stability guide rail lubricating oil and preparation method thereof Download PDFInfo
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- CN112210423A CN112210423A CN201910624098.0A CN201910624098A CN112210423A CN 112210423 A CN112210423 A CN 112210423A CN 201910624098 A CN201910624098 A CN 201910624098A CN 112210423 A CN112210423 A CN 112210423A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
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- 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
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- 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
- C10M2201/043—Sulfur; Selenenium; Tellurium
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- 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
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- 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
- C10M2201/08—Inorganic acids or salts thereof
- C10M2201/081—Inorganic acids or salts thereof containing halogen
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- 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
- C10M2201/08—Inorganic acids or salts thereof
- C10M2201/082—Inorganic acids or salts thereof containing nitrogen
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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
- C10M2201/08—Inorganic acids or salts thereof
- C10M2201/084—Inorganic acids or salts thereof containing sulfur, selenium or tellurium
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- 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
- C10M2201/085—Phosphorus oxides, acids or salts
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- 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
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- 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
- C10M2207/144—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups
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- 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
- C10M2207/16—Naphthenic acids
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- 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
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/401—Fatty vegetable or animal oils 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
- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/045—Metal containing thio derivatives
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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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/066—Organic compounds derived from inorganic acids or metal salts derived from Mo or W
Abstract
The invention relates to the technical field of industrial lubricating oil, in particular to high-stability guide rail lubricating oil, which comprises the following components in part by weight: 100 parts of base oil, 0.1-3 parts of graphene, 0.5-5 parts of organic molybdenum, 0.1-0.5 part of barium petroleum sulfonate, 0.5-2.0 parts of polyisobutylene, 0.5-2.0 parts of antirust agent, 0.5-3.0 parts of anticorrosive agent, 0.1-2.0 parts of bactericide, 1-5 parts of pour point depressant and 0.1-1.0 part of anti-emulsifier. The preparation method comprises the steps of stirring and mixing the base oil, the barium petroleum sulfonate, the polyisobutylene, the antirust agent, the anticorrosive agent and the bactericide at constant temperature, adding the graphene and the organic molybdenum for ultrasonic treatment, adding the pour point depressant and the anti-emulsifier, stirring at constant temperature, cooling and grinding. The invention solves the problems of poor friction control and poor stability of the guide rail lubricating oil in the prior art, and the provided guide rail lubricating oil has higher stability, can better control the friction coefficient and has stronger anti-creep capability.
Description
Technical Field
The invention relates to the technical field of industrial lubricating oil, in particular to high-stability guide rail lubricating oil and a preparation method thereof.
Background
The industrial lubricating oil has a wide application range, and the types of base oil are also various, such as: pure mineral oil, PAO poly alpha dilute hydrocarbon synthetic oil, polyether synthetic oil, alkylbenzene oil and biodegradable lipid oil. When they are industrial lubricating oils, they cannot be mixed with each other, and when they are mixed with, for example, polyether synthetic oils and other industrial oils, their properties are remarkably deteriorated. The additives of the industrial lubricating oil are different in different application occasions. The hydraulic oil for outdoor use cannot be used in an indoor closed environment if the temperature changes appropriately in the local area. In addition, the heavy duty gear oil and the forming oil have different use conditions, the heavy duty gear oil contains an extreme pressure additive to ensure that the heavy duty gear oil can be used in a harsh environment, and the forming oil is usually pure mineral oil and does not contain the additive.
Lubricating oils are generally composed of two parts, a base oil and additives. The base oil is the main component of the lubricating oil, determines the basic properties of the lubricating oil, and the additive can make up and improve the deficiency in the performance of the base oil, endows certain new performances and is an important component of the lubricating oil.
The lubricating oil base oil mainly comprises mineral base oil, synthetic base oil and vegetable oil base oil. Mineral base oils are widely used in large quantities (above about 95%), but in some applications it is necessary to use products formulated with synthetic or vegetable (bio-based) base oils, thus allowing rapid development of both base oils. The mineral base oil is extracted from crude oil. The main production process of the lubricating oil base oil comprises the following steps: atmospheric and vacuum distillation, solvent deasphalting, solvent refining, solvent dewaxing, and clay or hydrogenation refining. The production of mineral lubricating oils, and most importantly, the selection of the best crude oil. The chemical composition of the mineral base oil includes a mixture of high boiling, high molecular weight hydrocarbons and non-hydrocarbons. The components of the compound are alkane (straight chain, branched chain and multi-branched chain), cyclane (monocyclic, bicyclic and polycyclic), aromatic hydrocarbon (monocyclic aromatic hydrocarbon and polycyclic aromatic hydrocarbon), naphthenic aromatic hydrocarbon, oxygen-containing, nitrogen-containing and sulfur-containing organic compounds, colloid, asphaltene and other non-hydrocarbon compounds. Bio-base oils (vegetable oils) are becoming more popular and are biodegradable to rapidly reduce environmental pollution. Since all industrial enterprises in the world are seeking measures to reduce environmental pollution, and the natural lubricating oil has the characteristic that although vegetable oil is high in cost, the increased cost can sufficiently offset the environmental management cost caused by using other mineral oil and synthetic lubricating oil.
The additive is the essence of modern high-grade lubricating oil, and is properly and reasonably added, so that the physical and chemical properties of the lubricating oil can be improved, new special performance is endowed to the lubricating oil, or certain performance originally possessed by the lubricating oil is enhanced, and higher requirements are met. The common additives include viscosity index improver, pour point depressant, antioxidant, detergent dispersant, friction moderator, oiliness agent, extreme pressure agent, anti-foaming agent, metal deactivator, emulsifier, anticorrosive agent, antirust agent and demulsifier.
In the prior art, in a machining device, a machine tool guide rail plays a role in guiding and supporting, and the precision, the rigidity, the structural form and the like of the machine tool guide rail have the most direct influence on the machining precision and the bearing capacity of the machine tool. In high-speed precision machining, the function of guide rail lubrication in the whole machine of a machine tool is very critical, and poor friction control and poor stability of guide rail lubricating oil or unbalanced formulas of base oil and additives can cause the reduction of machining precision and finally cause the loss of the production efficiency of the machine tool.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a high-stability rail lubricant for solving the problems of poor friction control and poor stability of the rail lubricant in the prior art, and also to provide a high-stability rail lubricant and a preparation method thereof. The guide rail lubricating oil provided by the invention has higher stability, can better control the friction coefficient and has stronger anti-creep capability.
In order to attain the above and other related objects,
in a first aspect of the present invention, a high-stability rail lubricant is provided, which includes the following components in parts by weight: 100 parts of base oil, 0.1-3 parts of graphene, 0.5-5 parts of organic molybdenum, 0.1-0.5 part of barium petroleum sulfonate, 0.5-2.0 parts of polyisobutylene, 0.5-2.0 parts of antirust agent, 0.5-3.0 parts of anticorrosive agent, 0.1-2.0 parts of bactericide, 1-5 parts of pour point depressant and 0.1-1.0 part of anti-emulsifier.
Graphene and organic molybdenum are added into the guide rail lubricating oil, so that the stability of the guide rail lubricating oil is improved, the anti-creep capability of the guide rail lubricating oil is enhanced, wherein the organic molybdenum is a multifunctional lubricating oil additive with good antioxidant and extreme pressure effects, the corrosion of corrosive substances such as sulfur and the like to metal materials can be reduced, the organic molybdenum and the friction surface are ground again under the local high-temperature and high-pressure conditions to form a relatively flat friction surface, and the grooves are filled through rheological action, so that the abrasion is reduced; the graphene and the organic molybdenum have synergistic effect by mixing the graphene and the organic molybdenum, and the anti-creeping capability of the graphene and the organic molybdenum is superior to that of the case of only using the organic molybdenum and is also superior to that of the case of using the nitrogen-containing modified organic molybdenum; by adding barium petroleum sulfonate and polyisobutylene into the guide rail lubricating oil, the adhesive force, flexibility, aging resistance, air tightness and electrical insulation of the guide rail lubricating oil can be effectively improved; the performance of the guide rail lubricating oil is improved by adding other additives, so that the application range of the guide rail lubricating oil is wider.
In an embodiment of the present invention, the high-stability rail lubricant includes the following components in parts by weight: 100 parts of base oil, 0.5-1.0 part of graphene, 2-3 parts of organic molybdenum, 0.1-0.5 part of barium petroleum sulfonate, 0.5-2.0 parts of polyisobutylene, 0.5-2.0 parts of antirust agent, 0.5-3.0 parts of anticorrosive agent, 0.1-2.0 parts of bactericide, 1-5 parts of pour point depressant and 0.1-1.0 part of anti-emulsifier. Within the range, the guide rail lubricating oil has higher stability, easier control of friction coefficient and stronger anti-climbing capability.
In one embodiment of the invention, the base oil is a synthetic base oil and a vegetable oil in a ratio of 1: (0.2-0.5) by mass; the number average molecular weight of the polyisobutylene is 300000-500000. The base oil is prepared by mixing the synthetic base oil and the vegetable oil, has excellent viscosity-temperature performance, low-temperature performance and chemical stability, has little environmental pollution and good compatibility with additives, improves the stability of the guide rail lubricating oil, also improves the anti-creep performance of the guide rail lubricating oil, and has wider application range.
In an embodiment of the present invention, the organic molybdenum is at least one of molybdenum dialkyl dithiophosphate, molybdenum amine complex, molybdenum naphthenate, and molybdenum alkyl salicylate. The organic molybdenum is dialkyl molybdenum dithiophosphate, dialkyl molybdenum dithiocarbamate, molybdenum amine complex, and molybdenum naphthenateAnd oil-soluble organic molybdenum compounds such as molybdenum alkylsalicylate. The lubricating and friction reducing mechanism of organic molybdenum is mainly related to the polished surface of friction pair, and on the surface of friction pair, at every point of high load pressure, the tip can produce chemical reaction to promote organic molybdenum to decompose and decompose MOS2And certain phosphides, sulfides, nitrides and the like, dispersed in an oil solvent, adsorbed and deposited on friction surfaces, MOS2The formed film is covered on the anti-wear layer, thereby achieving the functions of friction reduction, wear resistance and lubrication.
In an embodiment of the invention, the antirust agent comprises the following components in parts by weight: 100 parts of phosphoric acid, 0-10 parts of nitric acid, 5-15 parts of hydrochloric acid, 10-30 parts of sodium sulfite, 5-10 parts of sodium dodecyl benzene sulfonate and 150-200 parts of water; wherein the concentration of the phosphoric acid is 85 percent, the concentration of the nitric acid is 65 percent, and the concentration of the hydrochloric acid is 36.5 percent. The rust inhibitor is a super efficient synthetic penetrant, has the properties of penetrating rust removal, loosening lubrication, corrosion resistance, metal protection and the like, can form and store a lubricating film on the surface of a part, and can inhibit corrosion caused by moisture and many other chemical components. The antirust agent is a surfactant which can make liquid quickly and uniformly permeate into a certain solid, has multiple functions of rust loosening, corrosion prevention, moisture prevention, cleaning, lubrication, protection and the like, has strong permeability and convenient use, does not corrode materials such as metal, woodware, decorative surfaces and the like, and has a protection function.
In an embodiment of the present invention, the corrosion inhibitor is at least one of corrosion inhibitors T202, T203, and T201;
the bactericide is at least one of sulfur powder, copper sulfate, copper hydroxide and cuprous oxide;
the pour point depressant is at least one of pour point depressant T801, pour point depressant T802 and pour point depressant T803A;
the anti-emulsifier is at least one of an anti-emulsifier T1001 and an anti-emulsifier D114.
The performance of the guide rail lubricating oil is improved by adding the anticorrosive agent, the bactericide, the pour point depressant and the anti-emulsifying agent, so that the application range of the guide rail lubricating oil is wider.
In a second aspect of the present invention, there is provided a method for preparing the above-mentioned high-stability rail lubricant, comprising the steps of:
step one, adding barium petroleum sulfonate into base oil according to the weight part ratio, heating to 100-120 ℃, stirring at a constant temperature for at least 30min, cooling to 60-80 ℃, adding polyisobutylene, an antirust agent, an anticorrosive agent and a bactericide according to the weight part ratio, and stirring at a constant temperature for at least 10min to obtain a mixed solution for later use;
and secondly, adding graphene and organic molybdenum into the mixed solution according to the weight part ratio for ultrasonic treatment, adding a pour point depressant and an anti-emulsifier, heating to 60-80 ℃, stirring at a constant temperature for at least 30min, cooling to room temperature, adding into a grinding machine, and grinding for at least 30min to obtain the high-stability guide rail lubricating oil.
In the preparation process of the guide rail lubricating oil, a mixed solution is formed by preheating and mixing, wherein the heating is favorable for quick mixing, the water in the base oil can be effectively removed, and the graphene and the organic molybdenum are dispersed by ultrasonic treatment again, so that the components of the guide rail lubricating oil are dispersed more uniformly, and the using effect is better; and then large-particle substances contained in the guide rail lubricating oil are prevented from influencing the friction coefficient and the anti-creep performance of the lubricating agent through grinding.
In an embodiment of the invention, the rotation speed of the constant-temperature stirring in the first step is 300-500 r/min; and the rotation speed of constant-temperature stirring in the second step is 300-500 r/min.
In an embodiment of the invention, the ultrasonic frequency of the ultrasonic treatment in the second step is 30-40 kHz, and the ultrasonic time is 10-20 min.
As described above, the high-stability rail lubricant and the preparation method thereof of the present invention have the following beneficial effects: graphene and organic molybdenum are added into the guide rail lubricating oil, so that the stability of the guide rail lubricating oil is improved, the anti-creep capability of the guide rail lubricating oil is enhanced, wherein the organic molybdenum is a multifunctional lubricating oil additive with good antioxidant and extreme pressure effects, the corrosion of corrosive substances such as sulfur and the like to metal materials can be reduced, the organic molybdenum and the friction surface are ground again under the local high-temperature and high-pressure conditions to form a relatively flat friction surface, and the grooves are filled through rheological action, so that the abrasion is reduced; the graphene and the organic molybdenum have a synergistic effect by mixing the graphene and the organic molybdenum, and the anti-creeping capability of the graphene and the organic molybdenum is superior to that of the case of only using the organic molybdenum; by adding barium petroleum sulfonate and polyisobutylene into the guide rail lubricating oil, the adhesive force, flexibility, aging resistance, air tightness and electrical insulation of the guide rail lubricating oil can be effectively improved; the performance of the guide rail lubricating oil is improved by adding other additives, so that the application range of the guide rail lubricating oil is wider.
Drawings
FIG. 1 is a graph showing the relationship between the feeding speed of a table and the amount of creep and the efficiency of creep in embodiment 1 of the present invention;
FIG. 2 is a graph showing the relationship between the feeding speed of the table and the amount of creep and the efficiency of creep in embodiment 2 of the present invention;
FIG. 3 is a graph showing the relationship between the feeding speed of the table and the amount of creep and the efficiency of creep in embodiment 3 of the present invention;
fig. 4 is a graph showing the relationship between the table feed speed and the amount of creep and the efficiency of creep in embodiment 4 of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Example 1
The high-stability guide rail lubricating oil comprises the following components in parts by weight: 100 parts of base oil, 0.1 part of graphene, 0.5 part of molybdenum oxygen dialkyl dithiophosphate, 0.1 part of barium petroleum sulfonate, 0.5 part of polyisobutene, 0.5 part of antirust agent, 0.5 part of anticorrosive agent T202, 0.1 part of sulfur powder, 1 part of pour point depressant T801 and 0.1 part of anti-emulsifier T1001;
the base oil is a synthetic base oil and a vegetable oil according to the weight ratio of 1: 0.2 by mass ratio;
the number average molecular weight of the polyisobutylene is 350000;
the antirust agent comprises the following components in parts by weight: 100 parts of phosphoric acid, 5 parts of nitric acid, 5 parts of hydrochloric acid, 10 parts of sodium sulfite, 5 parts of sodium dodecyl benzene sulfonate and 150 parts of water.
Wherein the concentration of the phosphoric acid is 85 percent, the concentration of the nitric acid is 65 percent, and the concentration of the hydrochloric acid is 36.5 percent.
The method for preparing the guide rail lubricating oil with high stability comprises the following steps:
step one, adding barium petroleum sulfonate into base oil according to the weight part ratio, heating to 100 ℃, stirring at a constant temperature of 300r/min for at least 30min, cooling to 60 ℃, adding polyisobutylene, an antirust agent, an anticorrosive agent and a bactericide according to the weight part ratio, and stirring at a constant temperature of 300r/min for at least 10min to obtain a mixed solution for later use;
and secondly, adding graphene and organic molybdenum into the mixed solution according to the weight part ratio, performing ultrasonic treatment at the ultrasonic frequency of 30kHz for 20min, adding a pour point depressant and an anti-emulsifier, heating to 60 ℃, stirring at a constant temperature of 300r/min for at least 30min, cooling to room temperature, adding into a grinding machine, and grinding for at least 30min to obtain the high-stability guide rail lubricating oil.
Example 2
The high-stability guide rail lubricating oil comprises the following components in parts by weight: 100 parts of base oil, 3 parts of graphene, 5 parts of molybdenum naphthenate, 0.5 part of barium petroleum sulfonate, 2.0 parts of polyisobutene, 2.0 parts of antirust agent, 3.0 parts of anticorrosive agent T203, 2.0 parts of copper sulfate, 5 parts of pour point depressant T802 and 1.0 part of anti-emulsifier D114;
the base oil is a synthetic base oil and a vegetable oil according to the weight ratio of 1: 0.5 by mass ratio;
the number average molecular weight of the polyisobutylene is 400000;
the antirust agent comprises the following components in parts by weight: 100 parts of phosphoric acid, 3 parts of nitric acid, 15 parts of hydrochloric acid, 30 parts of sodium sulfite, 10 parts of sodium dodecyl benzene sulfonate and 200 parts of water; wherein the concentration of the phosphoric acid is 85 percent, the concentration of the nitric acid is 65 percent, and the concentration of the hydrochloric acid is 36.5 percent.
The method for preparing the guide rail lubricating oil with high stability comprises the following steps:
step one, adding barium petroleum sulfonate into base oil according to the weight part ratio, heating to 120 ℃, stirring at a constant temperature of 500r/min for at least 30min, cooling to 80 ℃, adding polyisobutylene, an antirust agent, an anticorrosive agent and a bactericide according to the weight part ratio, and stirring at a constant temperature of 500r/min for at least 10min to obtain a mixed solution for later use;
and secondly, adding graphene and organic molybdenum into the mixed solution according to the weight part ratio, performing ultrasonic treatment at the ultrasonic frequency of 40kHz for 20min, adding a pour point depressant and an anti-emulsifier, heating to 80 ℃, stirring at a constant temperature of 500r/min for at least 30min, cooling to room temperature, adding into a grinding machine, and grinding for at least 30min to obtain the high-stability guide rail lubricating oil.
Example 3
The high-stability guide rail lubricating oil comprises the following components in parts by weight: 100 parts of base oil, 0.5 part of graphene, 2 parts of molybdenum alkylsalicylate, 0.4 part of barium petroleum sulfonate, 1.0 part of polyisobutene, 1.5 parts of antirust agent, 1.0 part of anticorrosive agent T201, 1.0 part of copper hydroxide, 4 parts of pour point depressant T803A and 0.8 part of anti-emulsifier D114;
the base oil is a synthetic base oil and a vegetable oil according to the weight ratio of 1: 0.3 by mass ratio;
the number average molecular weight of the polyisobutylene is 350000;
the antirust agent comprises the following components in parts by weight: 100 parts of phosphoric acid, 10 parts of nitric acid, 10 parts of hydrochloric acid, 15 parts of sodium sulfite, 8 parts of sodium dodecyl benzene sulfonate and 180 parts of water; wherein the concentration of the phosphoric acid is 85 percent, the concentration of the nitric acid is 65 percent, and the concentration of the hydrochloric acid is 36.5 percent.
The method for preparing the guide rail lubricating oil with high stability comprises the following steps:
step one, adding barium petroleum sulfonate into base oil according to the weight part ratio, heating to 110 ℃, stirring at a constant temperature of 400r/min for at least 30min, cooling to 70 ℃, adding polyisobutylene, an antirust agent, an anticorrosive agent and a bactericide according to the weight part ratio, and stirring at a constant temperature of 400r/min for at least 10min to obtain a mixed solution for later use;
and secondly, adding graphene and organic molybdenum into the mixed solution according to the weight part ratio, performing ultrasonic treatment at the ultrasonic frequency of 35kHz for 15min, adding a pour point depressant and an anti-emulsifier, heating to 70 ℃, stirring at a constant temperature of 400r/min for at least 30min, cooling to room temperature, adding into a grinding machine, and grinding for at least 30min to obtain the high-stability guide rail lubricating oil.
Example 4
The high-stability guide rail lubricating oil comprises the following components in parts by weight: 100 parts of base oil, 1.0 part of graphene, 3 parts of molybdenum dialkyl dithiophosphate, 0.4 part of barium petroleum sulfonate, 1.5 parts of polyisobutylene, 1.0 part of antirust agent, 1.5 parts of anticorrosive agent T201, 1.0 part of cuprous oxide, 3 parts of pour point depressant T803A and 0.5 part of anti-emulsifier D114;
the base oil is a synthetic base oil and a vegetable oil according to the weight ratio of 1: 0.3 by mass ratio;
the number average molecular weight of the polyisobutylene is 350000;
the antirust agent comprises the following components in parts by weight: 100 parts of phosphoric acid, 5 parts of nitric acid, 8 parts of hydrochloric acid, 15 parts of sodium sulfite, 10 parts of sodium dodecyl benzene sulfonate and 180 parts of water; wherein the concentration of the phosphoric acid is 85 percent, the concentration of the nitric acid is 65 percent, and the concentration of the hydrochloric acid is 36.5 percent.
The method for preparing the guide rail lubricating oil with high stability comprises the following steps:
step one, adding barium petroleum sulfonate into base oil according to the weight part ratio, heating to 110 ℃, stirring at a constant temperature of 500r/min for at least 30min, cooling to 80 ℃, adding polyisobutylene, an antirust agent, an anticorrosive agent and a bactericide according to the weight part ratio, and stirring at a constant temperature of 500r/min for at least 10min to obtain a mixed solution for later use;
and secondly, adding graphene and organic molybdenum into the mixed solution according to the weight part ratio, performing ultrasonic treatment at the ultrasonic frequency of 40kHz for 20min, adding a pour point depressant and an anti-emulsifier, heating to 80 ℃, stirring at a constant temperature of 500r/min for at least 30min, cooling to room temperature, adding into a grinding machine, and grinding for at least 30min to obtain the high-stability guide rail lubricating oil.
The results of the performance tests on the rail lubricating oils prepared in examples 1 to 4 are shown in table 1:
table 1
| Test items | Example 1 | Example 2 | Example 3 | Example 4 | Detection standard |
| Rust (tap water) | No corrosion | No corrosion | No corrosion | No corrosion | GB/T11143 |
| Rust (synthetic seawater) | No corrosion | No corrosion | No corrosion | No corrosion | GB/T11143 |
| Rust (distilled water) | No corrosion | No corrosion | No corrosion | No corrosion | GB/T11143 |
| Viscosity cst/50 deg.C | 28～32 | 28～32 | 28～32 | 28～32 | -- |
Among them, the table feed speed of embodiments 1 to 4 is shown in fig. 1 to 4 in relation to the creep amount and the creep efficiency. As can be seen from table 1 and fig. 1 to 4, the rail lubricant is excellent in corrosion resistance and has good anti-creep properties.
In conclusion, the guide rail lubricating oil provided by the invention has higher stability, can better control the friction coefficient and has stronger anti-creep capability. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The high-stability guide rail lubricating oil is characterized by comprising the following components in parts by weight: 100 parts of base oil, 0.1-3 parts of graphene, 0.5-5 parts of organic molybdenum, 0.1-0.5 part of barium petroleum sulfonate, 0.5-2.0 parts of polyisobutylene, 0.5-2.0 parts of antirust agent, 0.5-3.0 parts of anticorrosive agent, 0.1-2.0 parts of bactericide, 1-5 parts of pour point depressant and 0.1-1.0 part of anti-emulsifier.
2. A high stability rail lubricant as set forth in claim 1, wherein: the high-stability guide rail lubricating oil comprises the following components in parts by weight: 100 parts of base oil, 0.5-1.0 part of graphene, 2-3 parts of organic molybdenum, 0.1-0.5 part of barium petroleum sulfonate, 0.5-2.0 parts of polyisobutylene, 0.5-2.0 parts of antirust agent, 0.5-3.0 parts of anticorrosive agent, 0.1-2.0 parts of bactericide, 1-5 parts of pour point depressant and 0.1-1.0 part of anti-emulsifier.
3. A high stability rail lubricant according to claim 1 or 2, characterized in that: the base oil is a synthetic base oil and a vegetable oil according to the weight ratio of 1: (0.2-0.5) by mass; the number average molecular weight of the polyisobutylene is 300000-500000.
4. A high stability rail lubricant according to claim 1 or 2, characterized in that: the organic molybdenum is at least one of dialkyl molybdenum dithiophosphate, molybdenum amine complex, molybdenum naphthenate and molybdenum alkyl salicylate.
5. A high stability rail lubricant according to claim 1 or 2, characterized in that: the antirust agent comprises the following components in parts by weight: 100 parts of phosphoric acid, 0-10 parts of nitric acid, 5-15 parts of hydrochloric acid, 10-30 parts of sodium sulfite, 5-10 parts of sodium dodecyl benzene sulfonate and 150-200 parts of water.
6. A high stability rail lubricant according to claim 1 or 2, characterized in that: the corrosion inhibitor is at least one of a corrosion inhibitor T202, a corrosion inhibitor T203 and a corrosion inhibitor T201;
the bactericide is at least one of sulfur powder, copper sulfate, copper hydroxide and cuprous oxide;
the pour point depressant is at least one of pour point depressant T801, pour point depressant T802 and pour point depressant T803A;
the anti-emulsifier is at least one of an anti-emulsifier T1001 and an anti-emulsifier D114.
7. A method for preparing the high-stability rail lubricant oil as defined in any one of claims 1 to 6, comprising the steps of:
step one, adding barium petroleum sulfonate into base oil according to the weight part ratio, heating to 100-120 ℃, stirring at a constant temperature for at least 30min, cooling to 60-80 ℃, adding polyisobutylene, an antirust agent, an anticorrosive agent and a bactericide according to the weight part ratio, and stirring at a constant temperature for at least 10min to obtain a mixed solution for later use;
and secondly, adding graphene and organic molybdenum into the mixed solution according to the weight part ratio for ultrasonic treatment, adding a pour point depressant and an anti-emulsifier, heating to 60-80 ℃, stirring at a constant temperature for at least 30min, cooling to room temperature, adding into a grinding machine, and grinding for at least 30min to obtain the high-stability guide rail lubricating oil.
8. The method for preparing a high-stability rail lubricant according to claim 7, wherein: the rotating speed of constant-temperature stirring in the first step is 300-500 r/min; and the rotation speed of constant-temperature stirring in the second step is 300-500 r/min.
9. The method for preparing a high-stability rail lubricant according to claim 7 or 8, wherein: and in the second step, the ultrasonic frequency of ultrasonic treatment is 30-40 kHz, and the ultrasonic time is 10-20 min.
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