CN105820860A - Energy-saving engineering machinery hydraulic oil and preparation method thereof - Google Patents
Energy-saving engineering machinery hydraulic oil and preparation method thereof Download PDFInfo
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- CN105820860A CN105820860A CN201610173050.9A CN201610173050A CN105820860A CN 105820860 A CN105820860 A CN 105820860A CN 201610173050 A CN201610173050 A CN 201610173050A CN 105820860 A CN105820860 A CN 105820860A
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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
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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- 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
- C10M2205/04—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing aromatic monomers, e.g. styrene
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- 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
- C10M2205/06—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing conjugated dienes
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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
- C10M2207/02—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
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- 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
- C10M2207/2825—Esters of (cyclo)aliphatic oolycarboxylic acids used as base material
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- 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
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- 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
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
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- 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
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/086—Imides
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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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
- 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
- C10M2223/041—Triaryl phosphates
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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
- 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
- C10M2227/09—Complexes with metals
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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
- 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
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
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- 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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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/54—Fuel economy
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
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Abstract
The invention discloses energy-saving engineering machinery hydraulic oil. The energy-saving engineering machinery hydraulic oil is prepared from, by weight, 0.2-0.9 part of tricresyl phosphate, 0.8-1.2 parts of antiwear agent, 4-6 parts of benzotriazole octadecylamine salt, 2-4 parts of ethylene glycol oleate, 75-85 parts of hydrogenated styrene isoprene copolymer, 1.5-2.5 parts of monoene succinimide, 1.5-2.5 parts of 2,5-di-tert-butylhydroquinone, 2.5-3.5 parts of 4,4'-dioctyl diphenylamine, 4-8 parts of polymethacrylate, 0.02-0.04 part of dimethicone and 850-950 parts of base oil. The energy-saving engineering machinery hydraulic oil has good wear resistance and can provide a lubrication guarantee in time at different working stages; equipment runs stably, pressure is evenly transferred, friction and abrasion are reduced, temperature rise is low, heat dissipation is rapid, power losses are reduced, energy consumption is reduced, and the oil replacement period is prolonged. The energy-saving engineering machinery hydraulic oil is suitable for hydraulic systems of various kinds of industrial equipment, engineering machinery, metallurgical machinery and the like.
Description
Technical field
The present invention relates to static-force hydraulic system, belong to hydraulic oil technical field, particularly to one
Energy conservation project mechanical-hydraulic oil.
Background technology
Energy consumption levels is national economy structure, growth pattern, scientific and technological level, a management
The concentrated expression of ability, consumption mode and national quality.Eleventh Five-Year Plan " the guiding principle of country
Will " further Eleventh Five-Year Plan per Unit GDP Energy Consumption in period is reduced about 20% as restrictive
Index, saves the energy and to take the measure of six aspects, and " energy-conservation by technological progress " is put into
Wherein.Energy-conservation is the core of China's energy strategy and policy.China's efficiency of energy utilization is emulated the advanced
Country is low by about 10%.Weighing with economy of energy efficiency index, energy consumption of unit product is than prosperity
The high 20-80% of country, weighted average is high by about 40%.China is the energy consumption per unit of output value in the world
One of the highest country.According to Eleventh Five-Year Plan, the five-year China per Unit GDP Energy Consumption
Reduce about 20%, it is desirable to 9 emphasis power consumption industries such as iron and steel, oil, petrochemical industry, chemical industry
Carry out industry energy conservation action.
Engineering machinery kind is a lot, including excavator, loader, crane, agitator truck
Deng, these equipment are general all the year round in the field work that natural environment is severe, are required for passing through hydraulic pressure
Transmission system carries out the work of necessity.It is thus desirable to one disclosure satisfy that at the severe bar of natural environment
The engineering machinery liquid of the multi-stage, energy-saving of the wide high viscosity index (HVI) of broad application temperature range used under part
Force feed.
Currently used hydraulic oil, viscosity index (VI) is relatively low, viscosity temperature characteristic is poor, oxidation stability
Difference, during low temperature, oil product produces viscosity, increases energy consumption, under extreme condition, produces abrasion, makes
Parts are damaged, so that cannot normally work；Oxidation at high temperatures shortens Oil life, produces greasy filth,
Blocking filtering device, it is difficult to meet the operating mode under hydraulic system complex environment.
Summary of the invention
The deficiency existed for prior art, present invention solves the technical problem that and be to provide a kind of joint
Energy engineering mechanical hydraulic oil and preparation method thereof.
The present invention seeks to be achieved through the following technical solutions:
A kind of energy conservation project mechanical-hydraulic oil, is made up of the raw material of following weight parts: tripotassium phosphate
Phenolic ester 0.2-0.9 part, antiwear additive 0.8-1.2 part, benzotriazole 18-amine. salt 4-6 part, oleic acid second
Diol ester 2-4 part, hydrogenated styrene isoprene copolymer 75-85 part, mono alkenyl succinyl
Imines 1.5-2.5 part, 2,5 di tert butyl hydroquinone 1.5-2.5 part, 4,4'-dioctyl diphenylamine
2.5-3.5 part, polymethacrylates 4-8 part, dimethicone 0.02-0.04 part, basis
Oil 850-950 part.
Described base oil is by di-n-nonyl sebacate, Dermol DIPS, tetramethylolmethane four meat
Myristate mixes, described di-n-nonyl sebacate, Dermol DIPS, tetramethylolmethane
The mass ratio of four myristinates is (1-3): (1-3): (1-3).
Preferably, described antiwear additive is by 40-60wt%N, N-bis-(2-ethylhexyl) two sulfur
For carbamic acid molybdenum and 40-60wt%N, N-bis-(13) alkyl molybdenum dithiocarbamate group
Become.
The present invention also provides for the preparation method of above-mentioned energy conservation project mechanical-hydraulic oil, by tripotassium phosphate
Phenolic ester, antiwear additive, benzotriazole 18-amine. salt, oleic acid glycol ester, hydrogenated styrene isoamyl
Diene copolymers, mono alkenyl succimide, 2,5 di tert butyl hydroquinone, 4,4'-bis-are pungent
Base diphenylamines, polymethacrylates, dimethicone, base oil add in mediation still and mix
Uniformly, described energy conservation project mechanical-hydraulic oil is obtained.
Energy conservation project mechanical-hydraulic of the present invention oil, has good wear resistence, it is possible to different
Working stage, provides lubrication to ensure in time；Make equipment operate steadily, pressure transmission uniformly,
Reduce friction, reduction is worn and torn, temperature rise is low, rapid heat dissipation, reduction kinetic equation loss, saves the energy and disappears
Consumption, extends the drain period；It is applicable to various industrial equipment, engineering machinery, metallurgical machinery etc.
Hydraulic system.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further, the following stated, is only to this
The preferred embodiment of invention, not does the restriction of other forms to the present invention, any familiar
Professional and technical personnel is changed to become on an equal basis possibly also with the technology contents of the disclosure above
The Equivalent embodiments changed.Every without departing from the present invention program content, the technology according to the present invention is real
Any simple modification that confrontation following example are done or equivalent variations, all fall within the guarantor of the present invention
In the range of protecting.
Each raw material introduction in embodiment:
Di-n-nonyl sebacate, No. CAS: 4121-16-8.
Dermol DIPS, No. CAS: 7491-02-3.
Pentaerythritol tetramyristate, No. CAS: 18641-59-3.
N, N-bis-(2-ethylhexyl) molybdenum dithiocarbamate, its structural formula is as follows: its knot
Structure formula is as follows:
Wherein R is 2-ethylhexyl.
N, N-bis-(13) alkyl molybdenum dithiocarbamate, its structural formula is as follows: its structure
Formula is as follows:
Wherein R is straight chain tridecyl.
Tricresyl phosphate, No. CAS: 1330-78-5.
Benzotriazole 18-amine. salt, has another name called BTA aliphatic ammonium salt, is a kind of multiple-effect oiliness improver,
Molecular formula is as follows: C6H5N3 NH (CH2) 17CH3, with reference to " benzotriazole fat such as Zhang Huibo
The synthesis technique of amine and the research of performance thereof " synthesis.
Oleic acid glycol ester, i.e. ethylene glycol oleate, No. CAS: 4500-01-0.
Hydrogenated styrene isoprene copolymer be hydrogenated polystyrene-b-phenylethylene/butadiene/
Isoprene random copolymer, specifically uses number of patent application: implement in 201410115135.2
Prepared by the method for example 1.
Mono alkenyl succimide, its structural formula is as follows:
Wherein, PIB be molecular weight be the polyisobutylene of 1000, n=3.
4,4'-dioctyl diphenylamines, No. CAS: 101-67-7.
2,5-di-tert-butyl hydroquinones, No. CAS: 88-58-4.
Polymethacrylates, uses number of patent application: in 201410753667.9 embodiment 1
Method prepare polymethacrylates.
Dimethicone, No. CAS: 63148-62-9, use DOW CORNING PMX-200 conventional
Viscosity defoamer dimethicone, viscosity 350cs.
Embodiment 1
Energy conservation project mechanical-hydraulic oil raw material (weight portion): tricresyl phosphate 0.6 part, anti-
Grinding agent 1.0 parts, benzotriazole 18-amine. salt 5 parts, oleic acid glycol ester 3 parts, hydrogenated styrene
Isoprene copolymer 80 parts, mono alkenyl succimide 2 parts, 2,5-di-t-butyl are to benzene two
2 parts of phenol, 4,4'-dioctyl diphenylamine 3 parts, polymethacrylates 6 parts, dimethicone
0.03 part, base oil 900 parts.
Described base oil is by di-n-nonyl sebacate, Dermol DIPS, tetramethylolmethane four meat
Myristate is uniformly mixed for 1:1:1 in mass ratio and obtains.
Described antiwear additive is by 50wt%N, N-bis-(2-ethylhexyl) molybdenum dithiocarbamate
With 50wt%N, N-bis-(13) alkyl molybdenum dithiocarbamate is uniformly mixed and obtains.
Prepared by energy conservation project mechanical-hydraulic oil: added by base oil and be in harmonious proportion in still, be warming up to 75 DEG C,
Add polymethacrylates, hydrogenated styrene isoprene copolymer, 300 revs/min, stir
20 minutes；Add tricresyl phosphate, antiwear additive, benzotriazole 18-amine. salt, mono alkenyl fourth
Imidodicarbonic diamide, 2,5-di-tert-butyl hydroquinone, 4,4'-dioctyl diphenylamine, dimethicone,
300 revs/min, stir 60 minutes；Above procedure is all carried out under 0.1MPa nitrogen is protected,
Bleed off nitrogen, deaerate 10 minutes under conditions of-0.06MPa；Add oleic acid glycol ester,
Temperature is down to 45 DEG C, bleeds off negative pressure, 300 revs/min, stirs 20 minutes；Finally by 5 μm
Filter filter.Obtain the energy conservation project mechanical-hydraulic oil of embodiment 1.
Embodiment 2
Substantially the same manner as Example 1, differ only in: described base oil is by decanedioic acid two
Isopropyl ester, pentaerythritol tetramyristate are uniformly mixed for 1:1 in mass ratio and obtain.
Obtain the energy conservation project mechanical-hydraulic oil of embodiment 2.
Embodiment 3
Substantially the same manner as Example 1, differ only in: described base oil is by decanedioic acid two
Nonyl ester, pentaerythritol tetramyristate are uniformly mixed for 1:1 in mass ratio and obtain.
Obtain the energy conservation project mechanical-hydraulic oil of embodiment 3.
Embodiment 4
Substantially the same manner as Example 1, differ only in: described base oil is by decanedioic acid two
Nonyl ester, Dermol DIPS are uniformly mixed for 1:1 in mass ratio and obtain.Obtain reality
Execute the energy conservation project mechanical-hydraulic oil of example 4.
Embodiment 5
Substantially the same manner as Example 1, differ only in: described antiwear additive is only N, N-
Two (2-ethylhexyl) molybdenum dithiocarbamate.Obtain the energy conservation project machinery of embodiment 5
Hydraulic oil.
Embodiment 6
Substantially the same manner as Example 1, differ only in: described antiwear additive is only N, N-
Two (13) alkyl molybdenum dithiocarbamate.Obtain the energy conservation project machinery liquid of embodiment 6
Force feed.
Test case 1
The energy conservation project mechanical-hydraulic oil preparing embodiment 1-6 carries out wear-resistant test, according to mark
Quasi-GB/T3142, SH/T0189 carry out four-ball test, experimental condition: four-ball tester is arranged
Condition is load 392N, rotating speed 1200rpm, runs time 1h, initial temperature 75 DEG C.Tool
Body the results are shown in Table 1.
Table 1: index test result table
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (di-n-nonyl sebacate, decanedioic acid
Diisopropyl ester, pentaerythritol tetramyristate are compounding) abrasion resistance is substantially better than embodiment
2-4 (appoints in di-n-nonyl sebacate, Dermol DIPS, pentaerythritol tetramyristate
The two is compounding for meaning).
Comparing embodiment 1 and embodiment 5-6, embodiment 1 (N, N-bis-(2-ethylhexyl)
Molybdenum dithiocarbamate and N, N-bis-(13) alkyl molybdenum dithiocarbamate compounds)
Abrasion resistance is substantially better than embodiment 5-6 (N, N-bis-(2-ethylhexyl) dithiocarbamates first
Single raw material in acid molybdenum and N, N-bis-(13) alkyl molybdenum dithiocarbamate).
Test case 2
The energy conservation project mechanical-hydraulic oil preparing embodiment 1-6 carries out oxidation stability test,
Test the mensuration according to SH/T 0193-2008 lubricating oil oxidation stability-rotary bomb oxidation test inspection
Surveying, the longest then antioxidant of oxidization time is the best.Concrete outcome is shown in Table 2.
Table 2: oxidation stability tables of data
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (di-n-nonyl sebacate, decanedioic acid
Diisopropyl ester, pentaerythritol tetramyristate are compounding) antioxygen property is substantially better than embodiment
2-4 (appoints in di-n-nonyl sebacate, Dermol DIPS, pentaerythritol tetramyristate
The two is compounding for meaning).
Comparing embodiment 1 and embodiment 5-6, embodiment 1 (N, N-bis-(2-ethylhexyl)
Molybdenum dithiocarbamate and N, N-bis-(13) alkyl molybdenum dithiocarbamate compounds)
Antioxygen property is substantially better than embodiment 5-6 (N, N-bis-(2-ethylhexyl) dithiocarbamates first
Single raw material in acid molybdenum and N, N-bis-(13) alkyl molybdenum dithiocarbamate).
Claims (3)
1. energy conservation project mechanical-hydraulic oil, it is characterised in that former by following weight parts
Material composition: tricresyl phosphate 0.2-0.9 part, antiwear additive 0.8-1.2 part, benzotriazole 18-amine.
Salt 4-6 part, oleic acid glycol ester 2-4 part, hydrogenated styrene isoprene copolymer 75-85
Part, mono alkenyl succimide 1.5-2.5 part, 2,5 di tert butyl hydroquinone 1.5-2.5 part,
4,4'-dioctyl diphenylamine 2.5-3.5 part, polymethacrylates 4-8 part, dimethicone
0.02-0.04 part, base oil 850-950 part；
Described base oil is by di-n-nonyl sebacate, Dermol DIPS, tetramethylolmethane four meat
Myristate mixes, described di-n-nonyl sebacate, Dermol DIPS, tetramethylolmethane
The mass ratio of four myristinates is (1-3): (1-3): (1-3).
2. energy conservation project mechanical-hydraulic oil as claimed in claim 1, it is characterised in that: institute
The antiwear additive stated by 40-60wt%N, N-bis-(2-ethylhexyl) molybdenum dithiocarbamate and
40-60wt%N, N-bis-(13) alkyl molybdenum dithiocarbamate forms.
3. the preparation method of the energy conservation project mechanical-hydraulic oil as described in claim 1 and 2,
It is characterized in that: by tricresyl phosphate, antiwear additive, benzotriazole 18-amine. salt, oleic acid second
Diol ester, hydrogenated styrene isoprene copolymer, mono alkenyl succimide, 2,5-bis-uncle
Butylhydroquinone, 4,4'-dioctyl diphenylamine, polymethacrylates, dimethicone,
Base oil adds mix homogeneously in mediation still, obtains described energy conservation project mechanical-hydraulic oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610173050.9A CN105820860B (en) | 2016-03-24 | 2016-03-24 | A kind of energy conservation project mechanical-hydraulic oil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610173050.9A CN105820860B (en) | 2016-03-24 | 2016-03-24 | A kind of energy conservation project mechanical-hydraulic oil and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105820860A true CN105820860A (en) | 2016-08-03 |
| CN105820860B CN105820860B (en) | 2019-01-04 |
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| CN201610173050.9A Expired - Fee Related CN105820860B (en) | 2016-03-24 | 2016-03-24 | A kind of energy conservation project mechanical-hydraulic oil and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353977A (en) * | 2017-07-25 | 2017-11-17 | 合肥欧仕嘉机电设备有限公司 | A kind of engineering machinery antiwear hydraulic oil and preparation method thereof |
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| CN103937588A (en) * | 2014-05-07 | 2014-07-23 | 广西大学 | Operating oil composition for digital hydraulic system |
| CN104342229A (en) * | 2013-07-26 | 2015-02-11 | 中国石油化工股份有限公司 | Biodegradable hydraulic oil composition |
| CN104845712A (en) * | 2015-04-27 | 2015-08-19 | 苏州劲元油压机械有限公司 | High-performance anti-wear hydraulic oil and preparation method thereof |
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- 2016-03-24 CN CN201610173050.9A patent/CN105820860B/en not_active Expired - Fee Related
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| CN1369542A (en) * | 2002-03-07 | 2002-09-18 | 中国石油天然气股份有限公司 | Instrument oil composition for automobile horizon instrument |
| CN104342229A (en) * | 2013-07-26 | 2015-02-11 | 中国石油化工股份有限公司 | Biodegradable hydraulic oil composition |
| CN103937588A (en) * | 2014-05-07 | 2014-07-23 | 广西大学 | Operating oil composition for digital hydraulic system |
| CN104845712A (en) * | 2015-04-27 | 2015-08-19 | 苏州劲元油压机械有限公司 | High-performance anti-wear hydraulic oil and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353977A (en) * | 2017-07-25 | 2017-11-17 | 合肥欧仕嘉机电设备有限公司 | A kind of engineering machinery antiwear hydraulic oil and preparation method thereof |
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