CN110331024A - A kind of environmental protection wearproof lubricant and preparation method thereof - Google Patents
A kind of environmental protection wearproof lubricant and preparation method thereof Download PDFInfo
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- CN110331024A CN110331024A CN201910688726.1A CN201910688726A CN110331024A CN 110331024 A CN110331024 A CN 110331024A CN 201910688726 A CN201910688726 A CN 201910688726A CN 110331024 A CN110331024 A CN 110331024A
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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
- C10M167/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound, a non-macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
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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
- C10M2201/087—Boron oxides, acids or 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/102—Silicates
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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
- C10M2207/144—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups
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- 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
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
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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
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/402—Castor oils
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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
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms 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
- 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
- C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
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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
- C10M2209/12—Polysaccharides, e.g. cellulose, biopolymers
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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
- C10M2227/061—Esters derived from boron
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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
- C10M2229/02—Unspecified siloxanes; Silicones
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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
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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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
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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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
- C10N2030/56—Boundary lubrication or thin film lubrication
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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
- C10N2030/64—Environmental friendly compositions
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- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The present invention provides a kind of environmentally friendly wearproof lubricant and preparation method thereof, by weight including following component, 5 ~ 20 parts of base oil, 55 ~ 85 parts of castor oil, 3 ~ 18 parts of cithrol, 0.1 ~ 1.5 part of stabilizer of esterification, 0.1 ~ 5 part of antiwear additive, 0.5 ~ 4 part of auxiliary additive.The beneficial effects of the invention are as follows reacting to form adsorbed film in metal surface by the castor oil that esterification is added, the wear-resistant effect of anti-attrition is played；Borate/ester inclusion is avoided borate to corrosion of metal in cyclodextrin, and has given full play to its wear resistence by New Kind of Anti-Abrasion agent, and environmentally friendly and abrasion resistance is good；The antiwear additive that magnesium silicate/talcum powder is formed reacts the monofilm to form metallic soap with metal surface, plays the wear-resistant effect of anti-attrition；Cithrol reconcile each ingredient make its homogeneous, enhance lubricating oil antioxygenic property and greasy property；The present invention is environmentally friendly by the lubricating oil for esterification castor oil being added, cithrol and novel antiwear additive are prepared, and environmentally protective, abrasion resistance is good.
Description
Technical field
The invention belongs to mechanical engineering fields, more particularly, to a kind of environmentally friendly wearproof lubricant and preparation method thereof.
Background technique
Lubricating oil is used in various types mechanical equipment, in automobile to reduce friction, protection is mechanical and the liquid of workpiece
Body or semisolid lubricants are applied to two phases the effects of mainly playing lubrication, supplement heat rejecter, antirust, cleaning, sealing and buffer
To between the object of movement, it is possible to reduce the function of friction and abrasion that two articles are generated by contact, as lubricating oil.
Lubricating oil is generally made of base oil and additive two parts.Base oil is the main component of lubricating oil, is decide
The fundamental property of lubricating oil, additive can then make up and improve the deficiency of base oil aspect of performance, assign certain new performances, are
The important component of lubricating oil.Lube base oil mainly divides mineral base oil, synthetic base oil and biological basis oil three
Major class.
Since mineral base oil, synthetic base oil need more purification or chemical reaction during the preparation process, to environment
Pollution it is more serious, influence ecological environment and industry long-run development, Curing circumstance pollution is used costly；Therefore vegetable oil
Just be becoming increasingly popular, it have the characteristics that mineral oil and most of synthetic oils it is incomparable, be exactly can biodegrade and
Rapidly reduce environmental pollution.Due to industrial enterprise all in the world today all seek reduce environmental pollution measure,
And this " natural " lubricating oil is just possessing this feature, although vegetable oil is at high cost, the increased expense of institute is enough to offset use
Environmental improvement expense brought by other mineral oil, synthetic lubricant fluid.Vegetable oil advantage is the low greasy property of toxicity and extreme pressure property
Can be better than synthesis based lubricating oil, but there is also the disadvantages of stability difference and low temperature flow difference for vegetable oil.
Common antiwear additive in lubricating oil has sulphur class antiwear additive, Phosphorus antiwear additive, the Phosphorus antiwear additive of sulphur, halogen wear-resistant
Agent, organic metal class antiwear additive and boron class antiwear additive.Most of antiwear additives have had pollution or even some antiwear additives to environment
It is used by many restraints of trade.
Summary of the invention
The object of the present invention is to provide a kind of preparation methods of lubricating oil and the lubricating oil that environmental protection is wear-resistant.
The technical scheme is that
A kind of lubricating oil that environmental protection is wear-resistant, including base oil, esterification castor oil, cithrol, stabilizer are wear-resistant
Agent, auxiliary additive.
A kind of lubricating oil that environmental protection is wear-resistant, by weight include following component, 5 ~ 20 parts of base oil, esterification castor oil 55 ~
85 parts, 3 ~ 18 parts of cithrol, 0.1 ~ 1.5 part of stabilizer, 0.1 ~ 5 part of antiwear additive, 0.5 ~ 4 part of auxiliary additive.
A kind of lubricating oil that environmental protection is wear-resistant, by weight include following component, 8 ~ 15 parts of base oil, esterification castor oil 65 ~
75 parts, 5 ~ 15 parts of cithrol, 0.5 ~ 1 part of stabilizer, 0.5 ~ 4.5 part of antiwear additive, 1 ~ 3 part of auxiliary additive.
A kind of lubricating oil that environmental protection is wear-resistant 12 parts of base oil, is esterified 70 parts of castor oil by weight including following component,
12 parts of cithrol, 1 part of stabilizer, 4 parts of antiwear additive, 1 part of auxiliary additive.
A kind of lubricating oil that environmental protection is wear-resistant 12 parts of base oil, is esterified 73 parts of castor oil by weight including following component,
10 parts of cithrol, 1 part of stabilizer, 3 parts of antiwear additive, 1 part of auxiliary additive.
A kind of lubricating oil that environmental protection is wear-resistant 14 parts of base oil, is esterified 72 parts of castor oil by weight including following component,
11 parts of cithrol, 0.5 part of stabilizer, 1.5 parts of antiwear additive, 1 part of auxiliary additive.
In order to achieve better technical results, the esterification castor oil is selected from Sulfation castor oil or maleated
Castor oil；
In order to achieve better technical results, the cithrol is selected from polyethylene glycol (PEG) oleate or poly- second two
Alcohol stearate；
In order to achieve better technical results, the polyethylene glycol is selected from polyethylene glycol 150, polyethylene glycol 350, polyethylene glycol
400, Macrogol 600, polyethylene glycol-800 or cetomacrogol 1000；
In order to achieve better technical results, the stabilizer is selected from methyl p-hydroxybenzoate or ethyl-para-hydroxybenzoate,
Or propylparaben, butyl p-hydroxybenzoate are one or more；
In order to achieve better technical results, the auxiliary additive is selected from silicone emulsion, the fatty acid ester compounded object of higher alcohols, gathers
The defoaming agent of dimethyl silica alkanes；Or the detersive of sodium ascorbate, alkyl sodium salicylate, linoleic acid；
In order to achieve better technical results, the antiwear additive is one of cyclodextrin inclusion compound, magnesium silicate/talcum powder or more
Kind；
The cyclodextrin inclusion compound is selected from cyclodextrin borate/ester inclusion compound: being the ring of 1:0.2 ~ 0.5:0.6 ~ 1.2 by mass ratio
Dextrin, borate, organic boric acid ester are uniformly mixed, and are heated to 65 ~ 85 degrees Celsius of stirrings, then mixture is stirred at room temperature
After 10-15 hours, cyclodextrin borate/ester inclusion compound is prepared.
The borate is selected from Boratex or potassium borate.
The organic boric acid ester is selected from lauric acid imidazoline borate, trimethylphenyl borate, succimide borate.
The preparation of the magnesium silicate/talcum powder antiwear additive:
Be the silicic acid anhydride magnesium of 0.2:1.0 ~ 1.5 by mass ratio: talcum powder is uniformly mixed, and is then crushed to partial size to 3-8 microns.
In order to achieve better technical results, the preparation method of the environmentally friendly wearproof lubricant: by base oil and poly- second two
Alcohol fatty acid ester mixing, heating, heat preservation are prepared into mixed liquor 1；It will esterification castor oil, stabilizer, antiwear additive and auxiliary additive
Mixing, is sufficiently stirred and is prepared into mixed liquor 2, then mixed liquor 1 is slowly added into mixed liquor 2, is prepared into the wear-resistant profit of environmental protection
Lubricating oil.
Base oil is selected from minerals base oil or synthetic base oil in the present invention.
Compared with prior art, the invention has the benefit that
Esterification castor oil oil molecule of the invention can react to form adsorbed film in metal surface, play the wear-resistant effect of anti-attrition；Newly
Borate/ester inclusion is avoided borate to corrosion of metal in cyclodextrin by type antiwear additive, and it is wear-resistant to have given full play to its
Property, environmentally friendly and abrasion resistance is good, and the antiwear additive formed with other compositions of the invention solves the problems, such as that stability is poor；Silicic acid
The antiwear additive that magnesium/talcum powder is formed reacts the monofilm to form metallic soap with metal surface, plays the wear-resistant effect of anti-attrition；Poly- second
Diol fatty acid ester reconcile each ingredient make its homogeneous, enhance lubricating oil antioxygenic property, increase the stability of lubricating oil；This
Invention is friendly to environment by the lubricating oil for esterification castor oil being added, cithrol and novel antiwear additive are prepared
Good, environmentally protective, abrasion resistance is good.
Specific embodiment
Embodiment 1
A kind of lubricating oil that environmental protection is wear-resistant, including 12 parts of base oil, 70 parts of Sulfation castor oil, polyethylene glycol 400 list oleic acid
12 parts of ester, cyclodextrin borate/4 parts of ester inclusion compound, 1 part of methyl p-hydroxybenzoate, 1 part of silicone emulsion.
Base oil is mixed with polyethylene glycol 400 monoleate, is heated to 150 degrees Celsius, heat preservation forms mixed liquor 1；It will
Sulfation castor oil, cyclodextrin borate/ester inclusion compound, methyl p-hydroxybenzoate, after silicone emulsion mixing, stirring 2 is small
When, it is prepared into mixed liquor 2.Then mixed liquor 1 is slowly added into mixed liquor 2, is prepared into environmentally friendly wearproof lubricant.
Cyclodextrin borate/the ester the preparation method comprises the following steps:
Cyclodextrin, Boratex, lauric acid imidazoline borate that mass ratio is 1:0.3:1.0 are uniformly mixed, 75 is heated to and takes the photograph
The stirring of family name's degree, after mixture is then stirred at room temperature 12 hours, is prepared cyclodextrin borate/ester inclusion compound.
Embodiment 2
A kind of lubricating oil that environmental protection is wear-resistant, including 12 parts of base oil, 73 parts of Sulfation castor oil, Macrogol 600 stearic acid
10 parts of ester, 3 parts of magnesium silicate/talcum powder, 1 part of ethyl-para-hydroxybenzoate, 1 part of alkyl sodium salicylate.
Base oil is mixed with Macrogol 600 stearate, is heated to 150 degrees Celsius, heat preservation forms mixed liquor 1；It will
Sulfation castor oil, magnesium silicate/talcum powder, ethyl-para-hydroxybenzoate stir 2 hours after alkyl sodium salicylate mixing, system
For at mixed liquor 2.Then mixed liquor 1 is slowly added into mixed liquor 2, is prepared into environmentally friendly wearproof lubricant.
In the present embodiment, silicic acid anhydride magnesium: the mass ratio of talcum powder is after 0.2:1.2 is weighed, uniformly to mix.
Embodiment 3
A kind of lubricating oil that environmental protection is wear-resistant, including 14 parts of base oil, 72 parts of maleated castor oil, the single oil of polyethylene glycol 350
11 parts of acid esters, cyclodextrin borate/1.5 parts of ester inclusion compound, 0.5 part of butyl p-hydroxybenzoate, 1 part of silicone emulsion.
Base oil is mixed with 350 monoleate of polyethylene glycol, is heated to flow back, heat preservation forms mixed liquor 1；By sulfuric ester
Change castor oil, monoleate, cyclodextrin borate/ester inclusion compound, ethyl-para-hydroxybenzoate, after silicone emulsion mixing, stirring 2
Hour, it is prepared into mixed liquor 2.Then mixed liquor 1 is slowly added into mixed liquor 2, is prepared into environmentally friendly wearproof lubricant.
The borate of cyclodextrin described in the present embodiment/ester the preparation method comprises the following steps:
Cyclodextrin, potassium borate, trimethylphenyl borate that mass ratio is 1:0.5:0.8 are uniformly mixed, are heated to 80 degrees Celsius
Stirring, after mixture is then stirred at room temperature 13 hours, is prepared cyclodextrin borate/ester inclusion compound.
Comparative examples 1
A kind of lubricating oil that environmental protection is wear-resistant, including 12 parts of base oil, 70 parts of Sulfation castor oil, polyethylene glycol 400 list oleic acid
12 parts of ester, 4 parts of calcium carbonate/kaolin, 1 part of methyl p-hydroxybenzoate, 1 part of silicone emulsion.
Base oil is mixed with polyethylene glycol 400 monoleate, is heated to 150 degrees Celsius, heat preservation forms mixed liquor 1；It will
Sulfation castor oil, calcium carbonate/kaolin, methyl p-hydroxybenzoate are stirred 2 hours, are prepared into after silicone emulsion mixing
Mixed liquor 2.Then mixed liquor 1 is slowly added into mixed liquor 2, is prepared into the lubricating oil of comparative examples 1.
Comparative examples 2
A kind of lubricating oil that environmental protection is wear-resistant, including 12 parts of base oil, 70 parts of Sulfation castor oil, magnesium silicate/talcum powder 4
Part, 1 part of ethyl-para-hydroxybenzoate, 1 part of alkyl sodium salicylate.
Base oil is heated to 120 degrees Celsius, heat preservation forms solution 1；By Sulfation castor oil, magnesium silicate/talcum powder,
Ethyl-para-hydroxybenzoate stirs 2 hours after alkyl sodium salicylate mixing, is prepared into mixed liquor 2.Then solution 1 is slowly added
Enter into mixed liquor 2, is prepared into the lubricating oil of comparative examples 2.
In the present embodiment, silicic acid anhydride magnesium: the mass ratio of talcum powder is after 0.2:1.2 is weighed, uniformly to mix.
Comparative examples 3
A kind of lubricating oil that environmental protection is wear-resistant, including 86 parts of base oil, 11 parts of 350 monoleate of polyethylene glycol, cyclodextrin boric acid
Salt/1.5 parts of ester inclusion compound, 0.5 part of ethyl-para-hydroxybenzoate, 1 part of silicone emulsion.
Base oil is mixed with 350 monoleate of polyethylene glycol, is heated to flow back, heat preservation forms mixed liquor 1；By single oleic acid
Ester, cyclodextrin borate/ester inclusion compound, ethyl-para-hydroxybenzoate stir 2 hours after silicone emulsion mixing, are prepared into mixing
Liquid 2.Then mixed liquor 1 is slowly added into mixed liquor 2, is prepared into the lubricating oil of comparative examples 3.
The borate of cyclodextrin described in the present embodiment/ester the preparation method comprises the following steps:
Cyclodextrin, potassium borate, trimethylphenyl borate that mass ratio is 1:0.5:0.8 are uniformly mixed, are heated to 80 degrees Celsius
Stirring, after mixture is then stirred at room temperature 13 hours, is prepared cyclodextrin borate/ester inclusion compound.
Lubricants performance test
100 DEG C of dynamic viscosities are measured according to GB/T265 " oil product dynamic viscosity measuring method "；
According to SH/T 0189-2017 the measurement four ball method of performance " lubrication oil antiwear damage " condition A, 75 ± 2 DEG C, speed 1200
± 60r/min, 60 ± 1min, 147 ± 2N of load measure grinding defect diameter；
According to 0196 lubricating oil anti-oxidative stability measuring method (140 DEG C, 14h) of SH/T.
Kinematic viscosity is an important indicator of lubricating oil, and the too small rubbing surface of viscosity cannot form firm oil film, cannot
Guarantee engine components proper lubrication, thus will increase abrasion, viscosity is excessive, engine start can be made difficult, low temperature flow
Difference increases abrasion, reduces power.
| Blank example | Embodiment 1 | Comparative examples 1 | Embodiment 2 | Comparative examples 2 | Embodiment 3 | Comparative examples 3 | |
| Kinematic viscosity/100mm2/s | 12.56 | 16.96 | 14.64 | 17.07 | 14.98 | 16.89 | 13.39 |
| Acid value mgKOH/g after oxidation | 0.256 | 0.086 | 0.168 | 0.071 | 0.389 | 0.083 | 0.196 |
| Oxygenated oil precipitates (mass fraction) % | 0.073 | 0 | 0.036 | 0 | 0.097 | 0 | 0.034 |
| Grinding defect diameter (mm) | 0.56 | 0.15 | 0.65 | 0.25 | 0.35 | 0.13 | 0.42 |
Blank example: contain 100% base oil.
For the lubricating oil that the present invention is prepared compared with the antiwear additive of comparative examples 1, abrasion resistance of the present invention is preferable；With
The comparative examples 2 that polyethylene glycol fatty ester is not added are compared, and antioxygenic property is improved well；It is contained only with main component
The comparative examples 3 of base oil are compared, and in kinematic viscosity, oxidation stability and wear-resistant aspect have larger improvement.
One embodiment of the present invention has been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still be within the scope of the patent of the present invention.
Claims (10)
1. a kind of lubricating oil that environmental protection is wear-resistant, it is characterised in that: by weight including following component, 5 ~ 20 parts of base oil, be esterified
55 ~ 85 parts of castor oil, 3 ~ 18 parts of cithrol, 0.1 ~ 1.5 part of stabilizer, 0.1 ~ 5 part of antiwear additive, auxiliary additive
0.5 ~ 4 part.
2. a kind of wear-resistant lubricating oil of environmental protection according to claim 1, it is characterised in that: by weight include below at
Point, 8 ~ 15 parts of base oil, 65 ~ 75 parts of castor oil of esterification, 5 ~ 15 parts of cithrol, 0.5 ~ 1 part of stabilizer, antiwear additive
0.5 ~ 4.5 part, 1 ~ 3 part of auxiliary additive.
3. a kind of wear-resistant lubricating oil of environmental protection according to claim 1, it is characterised in that: by weight include below at
Point, 12 parts of base oil, 70 parts of castor oil are esterified, 12 parts of cithrol, 1 part of stabilizer, 4 parts of antiwear additive, auxiliary adds
Add 1 part of agent.
4. a kind of wear-resistant lubricating oil of environmental protection according to claim 1-6, it is characterised in that: the esterification castor-oil plant
Oil is selected from Sulfation castor oil or maleated castor oil.
5. a kind of wear-resistant lubricating oil of environmental protection according to claim 1, it is characterised in that: the cithrol
Selected from polyethylene glycol (PEG) oleate or polyethylene glycol stearate.
6. a kind of wear-resistant lubricating oil of environmental protection according to claim 1, it is characterised in that: the polyethylene glycol is selected from poly- second
Glycol 150, polyethylene glycol 350, polyethylene glycol 400, Macrogol 600, polyethylene glycol-800 or cetomacrogol 1000.
7. a kind of wear-resistant lubricating oil of environmental protection according to claim 1, it is characterised in that: the stabilizer is selected to hydroxyl
Methyl benzoate or ethyl-para-hydroxybenzoate or propylparaben, butyl p-hydroxybenzoate are one or more.
8. the wear-resistant lubricating oil of described in any item a kind of environmental protection according to claim 1, it is characterised in that: the antiwear additive is ring
Cyclodextrin inclusion compound, one of magnesium silicate/talcum powder or a variety of.
9. according to a kind of described in any item lubricating oil that environmental protection is wear-resistant of claim 8, it is characterised in that: the system of the antiwear additive
Standby: cyclodextrin borate/ester inclusion compound: being about the cyclodextrin, borate, organic boron of 1:0.2 ~ 0.5:0.6 ~ 1.2 by mass ratio
Acid esters is uniformly mixed, and is heated to 65 ~ 85 degrees Celsius of stirrings, after mixture is then stirred at room temperature 10-15 hours, is prepared into
To cyclodextrin borate/ester inclusion compound；The borate is selected from Boratex or potassium borate, and the organic boric acid ester is selected from laurel
Imidazole acid quinoline borate, trimethylphenyl borate, succimide borate；
Magnesium silicate/talcum powder antiwear additive: be the silicic acid anhydride magnesium of 0.2:1.0 ~ 1.5 by mass ratio: talcum powder is uniformly mixed, then
Partial size is crushed to 3-8 microns.
10. the method for environmental protection wearproof lubricant described in preparation claim 1: base oil is mixed with cithrol,
Heating, heat preservation are prepared into mixed liquor 1；Esterification castor oil, stabilizer, antiwear additive and auxiliary additive are mixed, system is sufficiently stirred
For at mixed liquor 2, then mixed liquor 1 is slowly added into mixed liquor 2, is prepared into environmentally friendly wearproof lubricant.
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