CN108165345A - A kind of micro lubricating oil and preparation method thereof - Google Patents
A kind of micro lubricating oil and preparation method thereof Download PDFInfo
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- CN108165345A CN108165345A CN201810122741.5A CN201810122741A CN108165345A CN 108165345 A CN108165345 A CN 108165345A CN 201810122741 A CN201810122741 A CN 201810122741A CN 108165345 A CN108165345 A CN 108165345A
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- lubricating oil
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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
- C10M139/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups C10M127/00 - C10M137/00
-
- 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
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular 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
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
-
- 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
- C10M2207/28—Esters
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/082—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type monocarboxylic
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- 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
-
- 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
- C10N2030/12—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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
A kind of micro lubricating oil provided by the invention, which is characterized in that by being fabricated following weight percentage components：Micro lubricating oil precursor 5 10%；Dibasic acid esters 70 85%；Poly- ricinoleate ester 10 20%.The workpiece lubrication and cooling that the micro lubricating oil of the present invention good can be solved the problems, such as in process, and in the case that the oil product of the present invention need not add sulfur-bearing, have the additive of larger pressure to environment containing chlorine etc., still there is fabulous extreme pressure anti-wear, and can realize degradable effect, not only environmental protection and can effective tool life.
Description
Technical field
The invention belongs to lubrication technical fields, are related to a kind of micro lubricating oil and preparation method thereof.
Background technology
Traditional metal cutting process carries out a large amount of shower formula lubrications, lubricant using mineral oil or vegetable oil or cutting fluid
Usage amount it is big, not only waste of resource, causes the huge pollution of processing site and environment, while can also seriously affect operator
Health, to solve these problems, certain progress, micro lubricating skill are obtained to the research of Minimal Quantity Lubrication Technology in recent years
It is big that art solves more than lubricant usage amount, it is seriously polluted the problems such as, but to the research of micro lubricating agent, but in application aspect also
There are it is certain the problem of, mainly lubricate and cool down problem not can solve.In addition, it is exactly that micro lubricating agent generally requires
It adds a large amount of sulfur-bearing, have the additive of larger pressure to environment containing chlorine etc. to increase the extreme pressure anti-wear of product, extend cutter
Service life.It is few in order to pursue the micro lubricating oil usage amount used, so constitutive material tends not to degrade, it can also aggravate ring
The burden in border.
Invention content
In view of disadvantages described above, the purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of micro lubricating oil.
The present invention provides a kind of micro lubricating oil precursors, it is characterised in that：By the component for including following ratio of weight and number
It is fabricated：
1 part of borate；
10-20 parts of castor oil.
One or more of above-mentioned borate preferred boric acid sodium, potassium borate, dipotassium tetraborate, potassium metaborate mixture.
The preparation method of above-mentioned micro lubricating oil precursor：Castor oil, borate are put into blender, at 90-110 DEG C
At a temperature of be stirred to react 3-4 hours, as a kind of micro lubricating oil precursor.
The present invention also provides a kind of micro lubricating oils, which is characterized in that by manufacturing following weight percentage components and
Into：
Micro lubricating oil precursor 5-10%；
Dibasic acid esters 70-85%；
Poly- ricinoleate ester 10-20%.
Above-mentioned dibasic acid esters is selected from neopentyl glycol dioctyl ester, suberic acid di-isooctyl, dioctyl sebacate, glycerine dioctyl ester, pungent
Diethyl adipate, dioctyl azelate, ethylene glycol dioleate, Rikemal PO 200, butanediol dioleate, ethylene glycol two
One or more of mixture in palmitate, propylene glycol dipalmitate, butanediol dipalmitate.
The preparation method of above-mentioned poly- ricinoleate ester, includes the following steps：
Step 1：Ricinoleic acid and catalyst are put into polymeric kettle respectively；
Step 2：It is filled with the air that inert gas replacement goes out in polymeric kettle；
Step 3：Warming while stirring is reacted 4-5 hours to 180 DEG C -220 DEG C；
Step 4：Moisture content is removed under reduced pressure, obtains product.
Above-mentioned catalyst can select one in organic acid, inorganic acid, metal salt, cation exchange resin, molecular sieve etc.
Kind is several.
The preferred perboric acid of above-mentioned catalyst or perborate；
The preferred sodium perborate of above-mentioned perborate or potassium perborate.Select perborate as catalyst benefit for：
Rear catalyst is completed in reaction to be detached, and reduce production cost, and also catalyst participates in the product castor oil boric acid of reaction
The proportional good antifriction antirust function of ester salt.
The dosage of the catalyst is generally the 0.01-15% of reactant total weight；It is imitated according to the type of catalyst and catalysis
The difference of fruit is adjusted its dosage.
When above-mentioned catalyst selects perborate, dosage is preferably the 0.3-0.5% of reactant total weight.
Above-mentioned inert gas is generally nitrogen.
In addition, the present invention also provides a kind of preparation methods of micro lubricating oil：Weigh micro lubricating oil precursor, dibasic acid esters,
Poly- ricinoleate ester, when mixing to transparent at a temperature of 40~60 DEG C.
The effect of invention
The castor oil borate of the micro lubricating oil precursor prepared using the present invention, castor oil and the generation of boric acid reactant salt
Salt has preferable friction reducing effect and rust-preventing characteristic.
Dibasic acid esters has preferable lubricity, biological degradability, and relatively low kinematic viscosity can effectively reduce the fortune of micro lubricating oil
Kinetic viscosity, it is easy to use in minimum quantity lubrication device.
Poly- ricinoleate ester has relatively good lubricity, splendid extreme pressure anti-wear.
The workpiece lubrication that good can be solved the problems, such as in process after above-mentioned each component is selected to be compounded and cooling,
And in the case that the oil product of the present invention need not add sulfur-bearing, have the additive of larger pressure to environment containing chlorine etc., still have
Fabulous extreme pressure anti-wear, and can realize degradable effect, not only environmental protection and can effective tool life.
Specific embodiment
Embodiment one
Weigh castor oil 1500g, dipotassium tetraborate 100g is put into blender and is stirred to react at a temperature of 100 DEG C 4 hours,
As castor-oil plant borate sylvite, a kind of micro lubricating oil precursor can be used as.
Above-mentioned micro lubricating oil precursor 100g, neopentyl glycol dioctyl ester 700g, poly- ricinoleate ester 200g are weighed at 50 DEG C
At a temperature of as a kind of micro lubricating oil when mixing to transparent.
The preparation method of above-mentioned poly- ricinoleate ester, includes the following steps：
Step 1：1000g ricinoleic acids and catalyst (5g sodium perborate) are put into polymeric kettle respectively；
Step 2：It is filled with nitrogen and displaces air in polymeric kettle；
Step 3：Warming while stirring is reacted 4.5 hours to 200 DEG C；
Step 4：Moisture content is removed under reduced pressure, obtains product.
Micro lubricating oil prepared by the above method, it is as follows through testing physical and chemical index：
| Project | Master data | Experimental method |
| Appearance | Yellow transparent | Range estimation |
| 40 DEG C of mm of kinematic viscosity@2/s | 31 | GB/T265 |
| Pour point DEG C | -23 | GB/T3535 |
| Open flash point DEG C | 191 | GB/T3536 |
| 20 DEG C of kg/m of density@3 | 912 | GB/T1884 |
| Copper corrosion grade | 1a | GB/T5096 |
Above-mentioned micro lubricating oil is applied to aluminum alloy spare part Vehicle Processing, numerical control machining center model：CMV-510AII.It is former
With emulsion cutting fluid (concentration about 5%) carry out cycle lubrication, be changed to now KS-2107 minimum quantity lubrication devices (3 nozzles,
Nozzle used is the energy-conserving spray nozzle that Shanghai Jinzhao Conservation of Energy Science ＆ Technology Co., Ltd. provides) and above-mentioned micro lubricating oil, as a result such as following table：
| Project | Conventional lubrication mode | Micro lubricating mode |
| Lubricant consumes (liter/day) | 10 liters | 0.12 liter |
| Workpiece surface finish | Generally | It is obviously improved |
Embodiment two
Weigh castor oil 2000g, potassium borate 100g is put into blender and is stirred to react 3 hours at a temperature of 110 DEG C, i.e.,
For castor-oil plant borate sylvite, a kind of micro lubricating oil precursor can be used as.
Above-mentioned micro lubricating oil precursor 50g, dioctyl sebacate 850g, poly- ricinoleate ester 100g are weighed in 40 DEG C of temperature
Under as a kind of micro lubricating oil when mixing to transparent.
The preparation method of above-mentioned poly- ricinoleate ester, includes the following steps：
Step 1：1000g ricinoleic acids and catalyst (3g potassium perborates) are put into polymeric kettle respectively；
Step 2：It is filled with nitrogen and displaces air in polymeric kettle；
Step 3：Warming while stirring is reacted 4 hours to 220 DEG C；
Step 4：Moisture content is removed under reduced pressure, obtains product.
Embodiment three
Weigh castor oil 1000g, potassium metaborate 100g is put into blender and is stirred to react at a temperature of 90 DEG C 4 hours,
As castor-oil plant borate sylvite, a kind of micro lubricating oil precursor can be used as.
Above-mentioned micro lubricating oil precursor 80g, ethylene glycol dioleate 800g, poly- ricinoleate ester 120g are weighed in 60 DEG C of temperature
As a kind of micro lubricating oil when mixing to transparent under degree.
The preparation method of above-mentioned poly- ricinoleate ester, includes the following steps：
Step 1：1000g ricinoleic acids and catalyst (15g cation exchange resins) are put into polymeric kettle respectively；
Step 2：It is filled with nitrogen and displaces air in polymeric kettle；
Step 3：Warming while stirring is reacted 4 hours to 180 DEG C；
Step 4：Moisture content is removed under reduced pressure, removes cation exchange resin, obtains product.
Example IV
Weigh castor oil 1600g, dipotassium tetraborate 100g is put into blender and is stirred to react at a temperature of 100 DEG C 4 hours,
As castor-oil plant borate sylvite, a kind of micro lubricating oil precursor can be used as.
Above-mentioned micro lubricating oil precursor 70g, ethylene glycol dipalmitate 770g, poly- ricinoleate ester 160g are weighed at 50 DEG C
As a kind of micro lubricating oil when mixing to transparent at a temperature of left and right.
The preparation method of above-mentioned poly- ricinoleate ester, includes the following steps：
Step 1：1000g ricinoleic acids and catalyst (5g perboric acids) are put into polymeric kettle respectively；
Step 2：It is filled with nitrogen and displaces air in polymeric kettle；
Step 3：Warming while stirring is reacted 4 hours to 210 DEG C；
Step 4：Moisture content is removed under reduced pressure, obtains product.
Embodiment five
Weigh castor oil 1200g, Boratex 100g is put into blender and is stirred to react 4 hours at a temperature of 100 DEG C, i.e.,
For castor-oil plant borate sylvite, a kind of micro lubricating oil precursor can be used as.
Above-mentioned micro lubricating oil precursor 60g, Rikemal PO 200 820g, poly- ricinoleate ester 120g are weighed in 50 DEG C of temperature
As a kind of micro lubricating oil when mixing to transparent under degree.
The preparation method of above-mentioned poly- ricinoleate ester, includes the following steps：
Step 1：1000g ricinoleic acids and catalyst (4g sodium perborate) are put into polymeric kettle respectively；
Step 2：It is filled with nitrogen and displaces air in polymeric kettle；
Step 3：Warming while stirring is reacted 4.5 hours to 200 DEG C；
Step 4：Moisture content is removed under reduced pressure, obtains product.
Above-mentioned micro lubricating oil is applied to gear teeth to process, gear-hobbing machine model：YK3132；Process gear：
Diameter 100mm, modulus 2.0mm；Hobboing cutter：TiN coatings, diameter 75mm, length 70mm.Originally cycle profit was carried out with 46# machinery oil
Sliding cooling, being changed to KS-2107 minimum quantity lubrication devices now, (3 nozzles, all nozzles are given birth to for Shanghai Jinzhao Conservation of Energy Science ＆ Technology Co., Ltd.
The energy-conserving spray nozzle of production) and above-mentioned preparation micro lubricating oil, as a result such as following table：
Claims (10)
1. a kind of micro lubricating oil precursor, it is characterised in that：It is fabricated by the component for including following ratio of weight and number：
1 part of borate；
10-20 parts of castor oil.
2. a kind of micro lubricating oil precursor as described in claim 1, it is characterised in that：
The borate is selected from the mixture of one or more of Boratex, potassium borate, dipotassium tetraborate, potassium metaborate.
3. a kind of preparation method of micro lubricating oil precursor as described in claim 1, it is characterised in that：
Castor oil, borate are put into blender, are stirred to react at a temperature of 90-110 DEG C 3-4 hours, it is as a kind of micro-
Measure lubricating oil precursor.
4. a kind of micro lubricating oil, which is characterized in that by being fabricated following weight percentage components：
Micro lubricating oil precursor 5-10%；
Dibasic acid esters 70-85%；
Poly- ricinoleate ester 10-20%.
5. a kind of micro lubricating oil as claimed in claim 4, it is characterised in that：
The dibasic acid esters is selected from neopentyl glycol dioctyl ester, suberic acid di-isooctyl, dioctyl sebacate, glycerine dioctyl ester, suberic acid
Diethylester, dioctyl azelate, ethylene glycol dioleate, Rikemal PO 200, butanediol dioleate, two palm of ethylene glycol
One or more of mixture in acid esters, propylene glycol dipalmitate, butanediol dipalmitate.
6. a kind of micro lubricating oil as claimed in claim 4, it is characterised in that：
The poly- ricinoleate ester is fabricated by following processing step：
Step 1：Ricinoleic acid and catalyst are put into polymeric kettle respectively；
Step 2：It is filled with the air that inert gas replacement goes out in polymeric kettle；
Step 3：Warming while stirring is reacted 4-5 hours to 180 DEG C -220 DEG C；
Step 4：Moisture content is removed under reduced pressure, obtains product.
7. a kind of micro lubricating oil as claimed in claim 6, it is characterised in that：
The catalyst is selected from one or more of organic acid, inorganic acid, metal salt, cation exchange resin, molecular sieve.
8. a kind of micro lubricating oil as claimed in claim 6, it is characterised in that：
The catalyst is selected from perboric acid or perborate；
The catalyst preferably is selected from sodium perborate or potassium perborate.
9. a kind of micro lubricating oil as claimed in claim 6, it is characterised in that：
The dosage of the catalyst is the 0.3-0.5% of reactant total weight.
10. a kind of preparation method of micro lubricating oil as claimed in claim 4, it is characterised in that：
Micro lubricating oil precursor, dibasic acid esters, poly- ricinoleate ester are weighed, at a temperature of 40~60 DEG C, when mixing to transparent i.e.
It can.
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| CN201810122741.5A CN108165345A (en) | 2018-02-07 | 2018-02-07 | A kind of micro lubricating oil and preparation method thereof |
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| CN201810122741.5A CN108165345A (en) | 2018-02-07 | 2018-02-07 | A kind of micro lubricating oil and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109337733A (en) * | 2018-11-09 | 2019-02-15 | 上海金兆节能科技有限公司 | Lubricant compositions and preparation method thereof and micro cutting liquid is prepared with the composition |
| CN109761804A (en) * | 2018-11-29 | 2019-05-17 | 南开大学 | A kind of preparation method of oligomeric ricinoleate ester |
| CN110872535A (en) * | 2019-12-03 | 2020-03-10 | 上海源育节能环保科技有限公司 | Environment-friendly metal sub-dry processing lubricant and preparation method thereof |
| CN114479997A (en) * | 2021-12-17 | 2022-05-13 | 东莞市耐斯润滑科技有限公司 | Method and process for producing environment-friendly trace lubricating oil based on renewable resource material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105524678A (en) * | 2015-12-17 | 2016-04-27 | 上海金兆节能科技有限公司 | Intelligent repair trace lubricating oil and preparation method thereof |
| CN105623823A (en) * | 2015-12-30 | 2016-06-01 | 青岛文晟汽车零部件有限公司 | Emulsion-type environment-friendly cutting fluid |
-
2018
- 2018-02-07 CN CN201810122741.5A patent/CN108165345A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105524678A (en) * | 2015-12-17 | 2016-04-27 | 上海金兆节能科技有限公司 | Intelligent repair trace lubricating oil and preparation method thereof |
| CN105623823A (en) * | 2015-12-30 | 2016-06-01 | 青岛文晟汽车零部件有限公司 | Emulsion-type environment-friendly cutting fluid |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109337733A (en) * | 2018-11-09 | 2019-02-15 | 上海金兆节能科技有限公司 | Lubricant compositions and preparation method thereof and micro cutting liquid is prepared with the composition |
| CN109337733B (en) * | 2018-11-09 | 2021-06-25 | 上海金兆节能科技有限公司 | Lubricant composition, preparation method thereof and trace cutting fluid prepared from same |
| CN109761804A (en) * | 2018-11-29 | 2019-05-17 | 南开大学 | A kind of preparation method of oligomeric ricinoleate ester |
| CN110872535A (en) * | 2019-12-03 | 2020-03-10 | 上海源育节能环保科技有限公司 | Environment-friendly metal sub-dry processing lubricant and preparation method thereof |
| CN110872535B (en) * | 2019-12-03 | 2022-02-08 | 上海源育节能环保科技有限公司 | Environment-friendly metal sub-dry processing lubricant and preparation method thereof |
| CN114479997A (en) * | 2021-12-17 | 2022-05-13 | 东莞市耐斯润滑科技有限公司 | Method and process for producing environment-friendly trace lubricating oil based on renewable resource material |
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Application publication date: 20180615 |