CN108753412B - Environment-friendly self-repairing trace lubricating oil and preparation method thereof - Google Patents
Environment-friendly self-repairing trace lubricating oil and preparation method thereof Download PDFInfo
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- CN108753412B CN108753412B CN201810751847.1A CN201810751847A CN108753412B CN 108753412 B CN108753412 B CN 108753412B CN 201810751847 A CN201810751847 A CN 201810751847A CN 108753412 B CN108753412 B CN 108753412B
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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
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M129/38—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
- C10M129/40—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms 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
- 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
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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
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
-
- 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
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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
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- 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
- 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
- C10N2030/02—Pour-point; Viscosity index
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
-
- 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
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
-
- 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
- C10N2030/64—Environmental friendly compositions
Abstract
the invention provides an environment-friendly self-repairing trace lubricating oil precursor and an environment-friendly self-repairing trace lubricating oil, which are characterized in that: the environmental-friendly self-repairing trace lubricating oil precursor is organic neodymium salt; the organic neodymium salt is prepared from neodymium oxide and fatty acid in a molar ratio of 1: 3-4. After the organic neodymium salt prepared by the invention is sprayed to a running workpiece, neodymium ions can be effectively released and then combined with iron on the surface of the worn workpiece to generate an iron-neodymium metal compound with certain magnetism, so that the wear part has better self-repairing capability, and meanwhile, the organic neodymium salt has better antirust performance and good lubricating performance.
Description
Technical Field
The invention belongs to the technical field of lubrication, and relates to environment-friendly self-repairing trace lubricating oil and a preparation method thereof.
Background
In the traditional open gear, guide rail and bearing workpiece lubricated by thin oil, because external impurities can enter a friction pair, the self abrasion of machinery can cause the service life of the gear, the guide rail and the bearing to be greatly shortened. The minimal quantity lubrication technology is a novel lubrication technology developed in recent years, namely a minimal quantity lubrication system is used on a metal friction surface to lubricate and cool a minimal quantity lubricating oil friction surface with good extreme pressure abrasion resistance and lubricity, and the problems of large lubricating oil usage amount, large waste leakage amount and the like in the traditional lubrication mode are solved.
In the micro-lubricating technology, compressed air is often used as power of a micro-lubricating device, a short-time negative pressure can be formed on the surface of a friction pair, impurities entering from the outside can be partially blown off, and meanwhile, due to the fact that the using amount of micro-lubricating oil is extremely small and the micro-lubricating oil is not recycled, the damage of the impurities generated by the outside impurities and the friction to gears, guide rails, bearings and the like can be effectively solved, but the existing micro-lubricating technology does not have a modification function on the damaged gears, guide rails and bearings, and the damaged parts cannot be repaired to prolong the service life of the parts. The development of a minimal amount of lubricating oil that can autonomously restore wear is an interesting and challenging task.
disclosure of Invention
In view of the above defects, the present invention aims to overcome the defects of the prior art and provide an environment-friendly self-repairing trace lubricating oil.
the invention provides an environment-friendly self-repairing trace lubricating oil precursor which is organic neodymium salt.
The organic neodymium salt is prepared from neodymium oxide and fatty acid in a molar ratio of 1: 3-4.
the fatty acid is preferably one or more selected from saturated or unsaturated fatty acids with carbon atoms of C8-C20, preferably one or more selected from isooctanoic acid, n-capric acid, lauric acid, palmitic acid, myristic acid, linoleic acid, oleic acid and stearic acid.
The preparation method of the environment-friendly self-repairing trace lubricating oil precursor comprises the following steps: the neodymium oxide and the fatty acid are put into a stirrer and stirred and reacted at the temperature of 90-110 ℃ until no obvious particulate matters are observed in a sampling (the reaction time is 2-3 hours generally), and the neodymium oxide and the fatty acid are the precursors of the environment-friendly self-repairing trace lubricating oil, namely the organic neodymium salt.
The organic neodymium salt is an important component for manufacturing the environment-friendly self-repairing trace lubricating oil, and is characterized in that the environment-friendly self-repairing trace lubricating oil is manufactured by raw materials of the organic neodymium salt, wherein the mass percentage of the organic neodymium salt accounts for 5-10% of the total weight of the raw materials.
In addition, the invention also provides an environment-friendly self-repairing trace lubricating oil, which is characterized in that: the paint is prepared from the following components in percentage by weight:
5-10% of organic neodymium salt
90-95% of neopentyl glycol diisocaprylate.
The preparation method of the environment-friendly self-repairing trace lubricating oil comprises the following steps: weighing organic neodymium and neopentyl glycol diisocaprylate, and mixing and stirring at 40-60 ℃ until the mixture is transparent or basically transparent.
in addition, the invention also provides an environment-friendly self-repairing trace lubricating oil, which is characterized in that: the paint is prepared from the following components in percentage by weight:
5-10% of organic neodymium salt;
90-95% of soapberry oil;
0 to 0.5 percent of antioxidant.
Further, the invention provides an environment-friendly self-repairing trace lubricating oil, which is characterized in that: the soapberry oil is a compound which is prepared from soapberry kernels by a squeezing or leaching process and mainly contains tri-unsaturated fatty acid glyceride.
The antioxidant is antioxidant BHT, namely: 2, 6-di-tert-butyl-4-methylphenol.
The preparation method of the environment-friendly self-repairing trace lubricating oil comprises the following steps: weighing organic neodymium, soapberry oil and polymeric antioxidant, and mixing and stirring at 40-60 ℃ until the mixture is transparent or basically transparent.
Action and Effect of the invention
After the organic neodymium salt prepared by the invention is sprayed to a running workpiece, neodymium ions can be effectively released and then combined with iron on the surface of the worn workpiece to generate an iron-neodymium metal compound with certain magnetism, so that the wear part has better self-repairing capability, and meanwhile, the organic neodymium salt has better antirust performance and good lubricating performance.
the neopentyl glycol diisocaprylate has better lubricity and biodegradability, and the lower kinematic viscosity can effectively reduce the kinematic viscosity of trace lubricating oil, so that the neopentyl glycol diisocaprylate is conveniently used in a trace lubricating device.
the soapberry oil is a good healthy biological raw material, and has good lubricity and biodegradability.
The antioxidant is mainly used for preventing the oxidation of the soapberry oil and can also prevent the oxidation of organic neodymium.
Detailed Description
Example one
336.48g (1mol) of neodymium oxide and 769.26g (3mol) of palmitic acid are weighed and put into a stirrer to be stirred and reacted for 3 hours at the temperature of 100 ℃, and the organic neodymium salt is obtained.
100g of the organic neodymium salt and 900g of neopentyl glycol diisocaprylate are weighed, mixed and stirred at the temperature of 50 ℃ until the mixture is basically transparent, and the environment-friendly self-repairing trace lubricating oil is obtained.
the prepared environment-friendly self-repairing trace lubricating oil has the following physical and chemical indexes through experiments:
the environmental-friendly self-repairing trace lubricating oil is applied to a TIMKEN experiment machine for repairing experiments:
Adding 32# mechanical oil into an oil groove of a TIMKEN tester, installing a new roller, starting a motor switch, continuously adding a weight, and when the weight is increased to 50 pounds, generating sharp noise by the motor, and observing that the roller has the abrasion with the diameter of about 6mm (longitudinal direction) after the switch is switched off, and the abrasion surface is rough. The mechanical oil in the oil groove is replaced by the environment-friendly self-repairing micro lubricating oil, the switch is restarted, the weight is continuously and slowly added until 50 pounds, the TIMKEN machine runs normally without sharp noise, the roller wear surface is observed not to be obviously increased after running for 5 minutes, and meanwhile, the original rough wear surface becomes smooth.
After a guide rail of a numerical control lathe (model: CJK-0620) processes a workpiece for a period of time, a serious shaking phenomenon occurs, the original guide rail oil is changed into a KS-2102 trace lubricating device (a 3 nozzle, the nozzle is an energy-saving nozzle produced by Shanghai Jinmega energy-saving science and technology Limited) and the environment-friendly self-repairing trace lubricating oil after being cleaned, and the shaking phenomenon of the guide rail basically disappears after 4 minutes.
Example two
336.48g (1mol) of neodymium oxide and 576.8g (4mol) of isooctanoic acid are weighed and put into a stirrer to be stirred and reacted for 3 hours at the temperature of 100 ℃, and the organic neodymium salt is obtained.
50g of organic neodymium salt and 950g of neopentyl glycol diisocaprylate are weighed, mixed and stirred at the temperature of 40 ℃ until the mixture is basically transparent, and the environment-friendly self-repairing trace lubricating oil is obtained.
EXAMPLE III
336.48g (1mol) of neodymium oxide and 602.91g (3.5mol) of n-decanoic acid are weighed and put into a stirrer to be stirred and reacted for 2 hours at the temperature of 110 ℃, and the organic neodymium salt is obtained.
60g of organic neodymium salt, 935g of soapberry oil and antioxidant BHT5g are weighed and mixed at the temperature of 60 ℃ and stirred until the mixture is transparent, thus obtaining the environmental-friendly self-repairing micro-lubricating oil.
The micro-lubricating oil and the comparison group are special micro-lubricating oil (model KS-1042C) for steel processing (produced by Shanghai Jinmega energy-saving science and technology Co., Ltd.) applied to the turning and milling processing of H17 die steel, and the model of a numerical control processing center is as follows: CMV-510AII, oil-water-gas three-phase minimal quantity lubrication device type: KS-2107(3 nozzles, used nozzle is the energy-conserving nozzle of profit gas three-phase that the energy-conserving science and technology limited company of Shanghai Jinmega provided), the processing work piece is placed naturally and is observed rusty spot and is carried out damp and hot test according to GB/T2361:
Example four
336.48g (1mol) of neodymium oxide and 903.91g (3.2mol) of oleic acid are weighed and put into a stirrer to be stirred and reacted for 2 hours at the temperature of 105 ℃, and the organic neodymium salt is obtained.
100g of organic neodymium salt and 900g of soapberry oil are weighed, mixed and stirred at the temperature of 55 ℃ until the mixture is transparent, and the environment-friendly self-repairing micro-lubricating oil is obtained.
EXAMPLE five
336.48g (1mol) of neodymium oxide and 661.06g (3.3mol) of lauric acid are weighed and put into a stirrer to be stirred and reacted for 2.5 hours at the temperature of 95 ℃, and the organic neodymium salt is obtained.
80g of organic neodymium salt, 917g of soapberry oil and 3g of antioxidant are weighed, mixed and stirred at the temperature of about 50 ℃ until the mixture is transparent, and the environment-friendly self-repairing trace lubricating oil is obtained.
Claims (10)
1. An environment-friendly self-repairing trace lubricating oil precursor is characterized in that: the environment-friendly self-repairing trace lubricating oil precursor is organic neodymium salt;
The organic neodymium salt is prepared from neodymium oxide and fatty acid in a molar ratio of 1: 3-4;
The preparation method comprises the following steps:
And (3) putting neodymium oxide and fatty acid into a stirrer, and stirring at the temperature of 90-110 ℃ until no obvious particulate matter is observed in a sampling, namely the environment-friendly self-repairing trace lubricating oil precursor.
2. the environmentally friendly autoremediation minimal lube oil precursor of claim 1 wherein:
The fatty acid is selected from one or more of the saturated or unsaturated fatty acids with 8-20 carbon atoms.
3. The environmentally friendly autoremediation minimal lube oil precursor of claim 1 wherein:
The fatty acid is selected from one or more of isooctanoic acid, n-capric acid, lauric acid, palmitic acid, myristic acid, linoleic acid, oleic acid and stearic acid.
4. an environmentally friendly autoremediation minimal essential oil prepared from an environmentally friendly autoremediation minimal essential oil precursor as claimed in any one of claims 1 to 3, wherein: is prepared from organic neodymium salt 5-10 wt%.
5. an environmentally friendly autoremediation minimal essential oil prepared from an environmentally friendly autoremediation minimal essential oil precursor as claimed in any one of claims 1 to 3, wherein: the paint is prepared from the following components in percentage by weight:
5-10% of organic neodymium salt
90-95% of neopentyl glycol diisocaprylate.
6. The environmental-friendly self-repairing minimal quantity of lubricating oil as claimed in claim 5, wherein the specific preparation method comprises the following steps:
mixing and stirring the organic neodymium salt and neopentyl glycol diisocaprylate at the temperature of 40-60 ℃ until the mixture is basically transparent.
7. an environmentally friendly autoremediation minimal essential oil prepared from an environmentally friendly autoremediation minimal essential oil precursor as claimed in any one of claims 1 to 3, wherein: the paint is prepared from the following components in percentage by weight:
5-10% of organic neodymium salt;
90-95% of soapberry oil;
0 to 0.5 percent of antioxidant.
8. The environmentally friendly self-healing minimal quantity of lubricating oil of claim 7, wherein:
The soapberry oil is prepared from soapberry kernels by squeezing or leaching processes.
9. The environmentally friendly self-healing minimal quantity of lubricating oil of claim 7, wherein:
The antioxidant is antioxidant BHT.
10. the environment-friendly self-repairing minimal quantity of lubricating oil as claimed in claim 7, wherein the specific preparation method comprises:
Mixing and stirring the organic neodymium salt, the soapberry oil and the antioxidant at the temperature of 40-60 ℃ until the mixture is basically transparent.
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| CN201810751847.1A CN108753412B (en) | 2018-07-10 | 2018-07-10 | Environment-friendly self-repairing trace lubricating oil and preparation method thereof |
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| CN201810751847.1A CN108753412B (en) | 2018-07-10 | 2018-07-10 | Environment-friendly self-repairing trace lubricating oil and preparation method thereof |
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| CN108753412B true CN108753412B (en) | 2019-12-10 |
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