CN106318538A - Long-acting diesel engine lubricating oil composition - Google Patents
Long-acting diesel engine lubricating oil composition Download PDFInfo
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- CN106318538A CN106318538A CN201510338114.1A CN201510338114A CN106318538A CN 106318538 A CN106318538 A CN 106318538A CN 201510338114 A CN201510338114 A CN 201510338114A CN 106318538 A CN106318538 A CN 106318538A
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Abstract
A long-acting diesel oil engine lubricating oil composition comprises, by weight, 0.5-3% of a phenol or amine antioxidant, 0.5-5 wt% of a sulfur-containing antioxidant, 0.01-1 wt% of a metal passivator, 0.5-10 wt% of a detergent, 0.5-10 wt% of a dispersant, 1-8 wt% of a viscosity improver, 0.002-0.08 wt% of an antifoaming agent, and the balance of base oil. The composition has the advantages of good thermal/oxidation stability, good base value maintainability and good anti-wear durability.
Description
Technical field
The present invention relates to a kind diesel engine lubricating oil composite, particularly to a kind of long-acting diesel oil
Engine oil composition.
Background technology
Diesel engine is with the compression-ignited ignition mode as mixed gas, and compression ratio is high, and moment of torsion is big,
Economic performance is good.Engine fuel consumption is low, and CO2 emission is far below gasoline engine oil, can reduce temperature
The discharge of room gas.On the other hand, owing to diesel engine compression ratio is more much higher than gasoline engine, the thermal efficiency
Height, thermic load is big, and heat stability and oxidation stability to lubricating oil require harsher.CF-4
Diesel engine oil, as one of main product in Chinese market, can be used for high speed four-cycle diesel
Machine and requirement use the diesel engine of API CF-4 oil, are particularly suited for the weight of highway driving
Load truck.It is contemplated that a kind of heat/oxidation stability excellent performance of design, base number retentivity with
The long-acting diesel engine oil that wear-resistant persistency is good, meets the performance requirement of API CF-4 oil.
Chinese patent CN101935574A provides a kind of and meets what GB 11122-2006 specified
The diesel engine lubricating oil composite of CF-4 Lube Oil Specification, said composition contains a large amount of hydrotreatings
Base oil, and alkylsalicylate, alkyl monosulfide phenates, sulfonate, macromolecule ashless dispersants
Agent, polyisobutylene-bis-succinimide ashless dispersant, zinc dialkyl dithiophosphate, phenolic resists
Oxygen agent, amine type antioxidant and sulfur type antioxygen antiwear additive.
The open a kind of CF-4 diesel engine oil composition of Chinese patent CN103710084A, its skill
Art scheme requires that in compositions, calcium content is not less than 2000ppm, and calcium is not less than with content of magnesium sum
2700ppm, nitrogen content is not less than 500ppm.
The open a kind of additive composition for lubricant oil of Chinese patent CN1782049A, said composition contains
There are high molecular weight polyisobutylene Ashless butyl diimide dispersant, boronation polyisobutene succinimide
Dispersant, with the polyisobutene succinimide dispersant of phenol coupling, said composition has excellence
Dispersive property to soot, meets CF-4 oil specification requirement.
The open a kind of diesel engine lubricating oil composite of Chinese patent 1523090A, said composition
Containing high base number salicylate, low alkali value salicylate, alkyl monosulfide phenates, the double succinyl of boronation
Imines ashless dispersant, high molecular ashless dispersant, zinc dialkyl dithiophosphate and phenolic/amine type
Auxiliary antioxidant, said composition meets the specification of SAE J300 and API CF-4 diesel engine oil and wants
Ask.
The present invention discloses a kind of new diesel engine lubricating oil composite, its formula composition and technical side
Case is all different from above-mentioned patent.
Summary of the invention
It is an object of the invention to carry the technical characterstic of the present invention is to use multiple to have antioxidant effect
Additive optimum organization, and select suitable detersive, dispersant, antiwear additive, metal deactivator,
Viscosity index improver compounds, and utilizes the synergistic enhancing effect of additive, makes compositions have well
Heat/oxidation stability, base number retentivity and wear-resistant persistency, meet the property of CF-4 diesel engine oil
Can requirement.
The long-acting diesel engine lubricating oil composite of the present invention, by weight percentage, containing as follows
Component:
Phenols or amine antioxidants, content is 0.5～3%；
The antioxidant of sulfur-bearing, content is 0.5～5%；
Metal deactivator, content is 0.01～1%；
Detersive, content is 0.5～10%；
Dispersant, content is 0.5～10%；
Viscous value modifier, content is 1～8%；
Anti-foaming agent, content is 0.002～0.08%；
Base oil, surplus.
Preferably, phenols or amine antioxidants are selected from hindered phenol type antioxidant, aromatic amine antioxygen
Agent, preferably bisphenol type hindered phenol, high molecular phenol, Sulfide-containing Hindered high molecular phenol, in aromatic amine
One or more.The shared in the composition ratio of this component is 0.5～3%, preferably 0.8～
2%.
Preferably, sulfur-bearing antioxidant is selected from alkylaryl zinc dithiophosphate, primary alkyl dithio phosphorus
Acid zinc, secondary alkyl zinc dithiophosphate, zinc diaryl dithiophosphates, dialkyl dithiophosphoric acid
Antimony, zinc dialkyl dithiocarbamate, antimony dialkyl-dithiocarbamate, dialkyl disulfides
For carbamic acid molybdenum, dialkyl dithio amino formate.It is preferably primary alkyl zinc dithiophosphate,
Secondary alkyl zinc dithiophosphate, zinc dialkyl dithiocarbamate, dialkyl dithio amino first
Acid molybdenum, one or more in dialkyl dithio amino formate.This component institute in the composition
The ratio accounted for is 0.5～5%, preferably 1～3%.
Preferably, metal deactivator is selected from benzotriazole derivant, thiadiazoles derivative, sulfur-bearing azepine
Cycle compound, organic amine compound.It is preferably methylbenzotrazole derivant, 2,5-dialkyl group two
Sulfuration-1,3,4 thiadiazoles derivatives, 2,5-dimercapto-1, in 3,4 thiadiazoles derivatives
One or more.This component proportion in the composition is 0.01～1%, preferably 0.02～
0.5%.
Preferably, detersive is selected from petroleum sulfonate, synthesising sulfonate, alkylsalicylate, sulfur
Change one or more in alkyl phenate.Detersive can be low alkali value (total base number TBN < 50
MgKOH/g), middle base number (50<TBN<200mgKOH/g), high base number (TBN>200
mgKOH/g).Detersive can be the salt of Ca, Mg or Ba metal ion.This component is at chemical combination
In thing, proportion is 0.5～10%, preferably 1～6%.
Preferably, dispersant is selected from mono butonediimide, Ramulus Uncariae Cum Uncis imidodicarbonic diamide, many succimides,
Macromolecule succimide, boronation succimide.This component proportion in compound is
0.5～10%, preferably 2～8%.
Preferably, viscous value modifier is selected from polymethacrylates, ethylene propylene copolymer, benzene second
Alkene diene copolymer, one or more in polyisobutylene, and their modified product.This group
Dividing proportion in the composition is 1～8%, preferably 1.5～5%.
Preferably, anti-foaming agent is selected from methyl-silicone oil anti-foaming agent, and this component content in the composition is
0.002～0.08%.
Preferably, base oil is selected from and meets API III, the base oil of IV, V base oil quality index,
This component proportion in the composition is 60～95%, preferably 70～90%.
The preparation method of the lubricating oil composite for diesel engine of the present invention is as follows:
Each component being proportionally added in the base oil of 50～70 DEG C, constant temperature stirs 1～3 hour, makes
Each component uniformly mixes, and i.e. can get the compositions of the present invention.
The present invention uses following simulation experiment and the performance of driving experimental evaluation oil product.
The experiment of coking plate has certain dependency with Ka Tepile 1K engine test, is used for evaluating oil product
Detergency and heat stability；
Use the non-oxidizability of oxidation induction period the effects oil product；
Wear scar diameter investigates the wear resistence of oil product, and wear scar diameter is the least, shows that oil product abrasion resistance is the best.
Contrast with commercially available CF-4 oil product, by, in driving experimentation, damaging tenor with oil abrasion
Change with base number, investigate the base number retentivity of oil product and wear-resistant persistency.
The beneficial effect of the invention
The compositions of the present invention has good heat/oxidation stability, base number retentivity with wear-resistant persistently
Property.
Detailed description of the invention
The present invention is further elaborated by the following examples.
Each component raw material is modulated into by proportioning the lubricating oil meeting CF-4 15W-40 range of viscosities
Compositions, each formula composition is shown in Table 1.TBN represents total base number.
Embodiment 1
The formula of the long-acting diesel engine lubricating oil composite of the present embodiment is as follows:
Phenols or amine antioxidants: bisphenol type hindered phenol 0.5%；
The antioxidant of sulfur-bearing: molybdenum dialkyldithiocarbamacompositions 0.5%；
Metal deactivator: methyl phenylpropyl alcohol triazole derivatives 0.01%；
Detersive: calcium mahogany sulfonate (TBN20～30) 10%；
Dispersant: boronation succimide 0.5%；
Viscous value modifier: ethylene propylene copolymer 8%；
Anti-foaming agent: methyl-silicone oil anti-foaming agent 0.002%；
Base oil: VI class hydrogenated base oil surplus.
Embodiment 2
The formula of the long-acting diesel engine lubricating oil composite of the present embodiment is as follows:
Phenols or amine antioxidants: bisphenol type hindered phenol 0.8%, aromatic amine 0.5%；
The antioxidant of sulfur-bearing: primary alkyl zinc dithiophosphate 1.5%, dialkyl dithio amino first
Acid zinc 1%；
Metal deactivator: methyl phenylpropyl alcohol triazole derivatives 0.5%；
Detersive: calcium mahogany sulfonate (TBN20～30) 1.0%, calcium sulfenyl phenolate (TBN 240)
3.0%；
Dispersant: Ramulus Uncariae Cum Uncis imidodicarbonic diamide 4.0% high molecular succimide 2.0%；
Viscous value modifier: polymethacrylates 4.0%；
Anti-foaming agent: methyl-silicone oil anti-foaming agent 0.05%；
Base oil: III class hydrogenated base oil
Embodiment 3
The formula of the long-acting diesel engine lubricating oil composite of the present embodiment is as follows:
Phenols or amine antioxidants: bisphenol type hindered phenol 0.8%, aromatic amine 0.5%；
The antioxidant of sulfur-bearing: secondary alkyl zinc dithiophosphate 0.5%, dialkyl dithio amino first
Acid zinc 1.5%；
Metal deactivator: 2,5-dialkyl disulfides-1,3,4 thiadiazole derivs 0.3%；
Detersive: calcium mahogany sulfonate (TBN20～30) 1.0%, magnesium alkylsalicylate (TBN 250)
3.0%；
Dispersant: Ramulus Uncariae Cum Uncis imidodicarbonic diamide 4.0% high molecular succimide 2.0%；
Viscous value modifier: polyisobutylene 3.0%；
Anti-foaming agent: methyl-silicone oil anti-foaming agent 0.06%；
Base oil: III class hydrogenated base oil
Embodiment 4
The formula of the long-acting diesel engine lubricating oil composite of the present embodiment is as follows:
Phenols or amine antioxidants: high molecular phenol 0.8%, aromatic amine 0.5%；
The antioxidant of sulfur-bearing: primary alkyl zinc dithiophosphate 1.0%, dialkyl dithio amino first
Acid molybdenum 1.0%；
Metal deactivator: methyl phenylpropyl alcohol triazole derivatives 0.05%；
Detersive: calcium mahogany sulfonate (TBN20～30) 1.0%, calcium mahogany sulfonate (TBN295)
1.0% magnesium alkylsalicylate (TBN 250) 1.5%；
Dispersant: many succimide 4.0% boronation succimides 2.0%；
Viscous value modifier: polymethacrylates 4.0%；
Anti-foaming agent: methyl-silicone oil anti-foaming agent 0.07%；
Base oil: III class hydrogenated base oil surplus
Embodiment 5
The formula of the long-acting diesel engine lubricating oil composite of the present embodiment is as follows:
Phenols or amine antioxidants: Sulfide-containing Hindered high molecular 0.8%, aromatic amine 0.5%；
The antioxidant of sulfur-bearing: primary alkyl zinc dithiophosphate 1.5%, dialkyl dithio amino first
Acid zinc 1%；
Metal deactivator: 2,5-dimercapto-1,3,4 thiadiazoles derivatives 0.2%；
Detersive: calcium mahogany sulfonate (TBN20～30) 1.0% calcium mahogany sulfonate (TBN295)
1.0% calcium sulfenyl phenolate (TBN250) 1.5%；
Dispersant: many succimide 4.0% boronation succimides 2.0%；
Viscous value modifier: polyisobutylene 3.0%；
Anti-foaming agent: methyl-silicone oil anti-foaming agent 0.04%；
Base oil: V class synthetic base oil tetramethylolmethane oleic acid 5%, the IV poly-α of class synthetic base oil-
Alkene PAO6, surplus.
Embodiment 6
The formula of the long-acting diesel engine lubricating oil composite of the present embodiment is as follows:
Phenols or amine antioxidants: Sulfide-containing Hindered high molecular phenol 3%；
The antioxidant of sulfur-bearing: dialkyl dithio amino formate 5%；
Metal deactivator: methyl phenylpropyl alcohol triazole derivatives 1%；
Detersive: magnesium alkylsalicylate (TBN 250) 0.05%；
Dispersant: Ramulus Uncariae Cum Uncis imidodicarbonic diamide 10%；
Viscous value modifier: ethylene propylene copolymer 1.0%；
Anti-foaming agent: methyl-silicone oil anti-foaming agent 0.08%；
Base oil: V class adds hydrogen-based.
Table 1: the formula of each embodiment
Table 2. performance simulation is tested
Table 3. with oil performance test
In test method in table 2 and table 3, the expression GB of GB beginning, the expression of SH beginning
Petroleum chemical industry standard.
Claims (9)
1. a long-acting diesel engine lubricating oil composite, it is characterised in that containing following component:
Phenols or amine antioxidants, content is 0.5～3%；
The antioxidant of sulfur-bearing, content is 0.5～5%；
Metal deactivator, content is 0.01～1%；
Detersive, content is 0.5～10%；
Dispersant, content is 0.5～10%；
Viscous value modifier, content is 1～8%；
Anti-foaming agent, content is 0.002～0.08%；
Base oil, surplus.
Long-acting diesel engine lubricating oil composite the most as claimed in claim 1, it is characterised in that:
Wherein, described phenols or amine antioxidants resist selected from hindered phenol type antioxidant, aromatic amine
One or more in oxygen agent.
Long-acting diesel engine lubricating oil composite the most as claimed in claim 1, it is characterised in that:
Wherein, described sulfur-bearing antioxidant is selected from alkylaryl zinc dithiophosphate, primary alkyl two sulfur
For zinc phosphate, secondary alkyl zinc dithiophosphate, zinc diaryl dithiophosphates, dialkyl disulfides
For phosphoric acid antimony, zinc dialkyl dithiocarbamate, antimony dialkyl-dithiocarbamate, two
Alkyl molybdenum dithiocarbamate, one or more in dialkyl dithio amino formate.
Long-acting diesel engine lubricating oil composite the most as claimed in claim 1, it is characterised in that:
Wherein, described metal deactivator is selected from benzotriazole derivant, thiadiazoles derivative, sulfur-bearing
Nitrogen heterocyclic, one or more in organic amine compound.
Long-acting diesel engine lubricating oil composite the most as claimed in claim 1, it is characterised in that:
Wherein, described detersive is selected from petroleum sulfonate, synthesising sulfonate, alkyl salicylate
Salt, one or more in alkyl monosulfide phenates.
Long-acting diesel engine lubricating oil composite the most as claimed in claim 1, it is characterised in that:
Wherein, described dispersant is selected from mono butonediimide, Ramulus Uncariae Cum Uncis imidodicarbonic diamide, many fourths two
Acid imide, macromolecule succimide, one or more in boronation succimide.
Long-acting diesel engine lubricating oil composite the most as claimed in claim 1, it is characterised in that:
Wherein, described viscous value modifier is selected from polymethacrylates, ethylene propylene copolymer,
Styrene diene copolymer, one or more in polyisobutylene, and their modified product.
Long-acting diesel engine lubricating oil composite the most as claimed in claim 1, it is characterised in that:
Wherein, described anti-foaming agent is methyl-silicone oil anti-foaming agent.
Long-acting diesel engine lubricating oil composite the most as claimed in claim 1, it is characterised in that:
Wherein, described base oil is selected from meeting API III, the base of IV, V base oil quality index
Plinth oil.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110358612A (en) * | 2019-08-06 | 2019-10-22 | 辽宁百特润滑科技有限责任公司 | A kind of bunker oil complexing agent, preparation method and application |
| CN111100725A (en) * | 2018-10-29 | 2020-05-05 | 中国石油化工股份有限公司 | Gear oil antioxidant dispersant composition and preparation method and application thereof |
| CN112143542A (en) * | 2020-09-30 | 2020-12-29 | 新乡市瑞丰新材料股份有限公司 | Diesel engine oil complexing agent and preparation method thereof |
| CN112725058A (en) * | 2019-10-14 | 2021-04-30 | 中国石油化工股份有限公司 | Low-temperature-resistant diesel engine oil composition |
| CN116179256A (en) * | 2023-01-31 | 2023-05-30 | 广西北海玉柴马石油高级润滑油有限公司 | Energy-saving long-mileage total-synthesis heavy-load national six-diesel engine oil composition |
| CN117511625A (en) * | 2023-11-06 | 2024-02-06 | 江柴发动机徐州有限公司 | Diesel engine lubricating oil composition and preparation method thereof |
| WO2025010987A1 (en) * | 2023-07-11 | 2025-01-16 | 中国石油天然气股份有限公司 | Alcohol-resistant low-viscosity lubricating oil composition and use thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111100725A (en) * | 2018-10-29 | 2020-05-05 | 中国石油化工股份有限公司 | Gear oil antioxidant dispersant composition and preparation method and application thereof |
| CN110358612A (en) * | 2019-08-06 | 2019-10-22 | 辽宁百特润滑科技有限责任公司 | A kind of bunker oil complexing agent, preparation method and application |
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| WO2025010987A1 (en) * | 2023-07-11 | 2025-01-16 | 中国石油天然气股份有限公司 | Alcohol-resistant low-viscosity lubricating oil composition and use thereof |
| CN117511625A (en) * | 2023-11-06 | 2024-02-06 | 江柴发动机徐州有限公司 | Diesel engine lubricating oil composition and preparation method thereof |
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