CN102719299A - Ash-free anti-wear hydraulic oil - Google Patents
Ash-free anti-wear hydraulic oil Download PDFInfo
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Abstract
The invention discloses ash-free anti-wear hydraulic oil. The ash-free anti-wear hydraulic oil consists of the following components in percentage by weight: 92 to 97 percent of base oil, 0.5 to 3 percent of ash-free extreme-pressure anti-wear additive, 0.01 to 2 percent of metal deactivator, 0.01 to 0.05 percent of purification dispersant, 0.1 to 1.0 percent of antioxidant, 0.5 to 1.0 percent of antioxidant preservative, 0.01 to 0.08 percent of antirusting agent, 0.1 to 1.0 percent of viscosity index improver and 0.01 to 0.05 percent of anti-foaming agent, wherein the base oil is steam turbine oil with relatively high oxidation stability and emulsification resistance; the ash-free extreme-pressure anti-wear additive is at least one of S-P-N, S-P and P type ash-free extreme-pressure anti-wear additives; and the purification dispersant is DT-6 sulfurized calcium alkyl phenolate. The ash-free anti-wear hydraulic oil has high wear resistance, oxidation resistance, hydrolytic stability and rust resistance, can meet the requirement of high abrasion resistance of vane pumps, and can also meet the requirement of low corrosivity of plunger pumps.
Description
Technical field
The invention belongs to technical field of lubricating oil, relate to a kind of hydraulicefficiency oil, particularly a kind of ashless anti-wear hydraulic oil.
Background technology
Antiwear hydraulic oil can be divided into zinc dialkyl dithiophosphate (ZDDP type) and is the grey zinc type of having of host and is two kinds of the Ashless types (no zinc) of host with sulphur, phosphorus, nitrogen agent.There is grey zinc type antiwear hydraulic oil to have good resistance to abrasion, can satisfies the request for utilization of vanepump.But when being used for rampump, ZDDP can cause corrosion to the copper part of rampump, thereby causes the wearing and tearing of plunger pin, swash plate to break.In addition, because the poor heat stability of ZDDP at the high-pressure hydraulic greasy filth that is easy to generate in service, is stopped up filter screen, cause the hydraulicefficiency system operation malfunctioning.The Ashless type antiwear hydraulic oil has many not available performances of zinc antiwear hydraulic oil that contain as the branch of hydraulicefficiency oil.
Summary of the invention
The technical problem that the present invention will solve is: a kind of ashless anti-wear hydraulic oil with good hydrolysis stability, demulsification resistance, oil product filtrability and thermal oxidation stability is provided, to overcome the deficiency of prior art.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of ashless anti-wear hydraulic oil is characterized in that, is made up of following components by weight percent:
Said base oil is to have the turbine oil of performance such as oxidation stability and resistance to emulsion preferably;
Said ashless extreme-pressure anti-friction additive is the S-P-N type, S-P type, at least a in the P type;
Said metal passivator is the mixture that 124 Triazole class T551 and thiadiazole T561 form;
Said detergent-dispersant additive is the DT-6 calcium sulfenyl phenolate;
Said oxidation inhibitor is the mixture that N-phenyl-αNai An T531 and 2,6 ditertbutylparacresol T501 form;
Said antioxidant preservative is a dialkyl dithiophosphate;
Said rust-preventive agent is a kind of among barium mahogany sulfonate T701, alkaline dinonyl naphthalene sulfonate barium T705, the dodecenylsuccinic acid T746;
Said viscosity index improver; With ethylene propylene copolymer (OCP) is main, is the recombiner of assisting with Rohm tech inc (PMA), vinylbenzene-diene copolymer (SD), decentralized ethylene propylene copolymer (DOCP) or decentralized Rohm tech inc (DPMA);
Said kilfoam is the mixture of a kind of in methyl-silicone oil, the methyl-silicone oil fat or two kinds.
Above-mentioned a kind of ashless anti-wear hydraulic oil preparation of compositions method, step is following:
Base oil is warming up to 75～85 ℃, and the control mixing speed is 300～400r/min, stirs behind 3～5h oxidation inhibitor; Antioxidant preservative, ashless extreme pressure anti-wear additives, metal passivator; Rust-preventive agent, viscosity index improver, kilfoam adds together; Under 50～60 ℃, the control mixing speed is that 300～400r/min stirs 3～5h after-filtration, finally obtains ashless anti-wear hydraulic oil composition product of the present invention.
The invention has the beneficial effects as follows:
The present invention has selected the base oil of refining deep, turbine oil base oil with performance such as oxidation stability and resistance to emulsion preferably as development oil; In addition through various additives being comprised the meticulous selection of Ashless type anti-wear agent, rust-preventive agent, metal passivator, detergent-dispersant additive and oxidation inhibitor; Make this green ashless anti-wear hydraulic oil have good wear resistance, antioxidant property, hydrolysis stability, rustless property, the high-wearing feature that has satisfied system requires and the low-corrosiveness requirement.
Ashless anti-wear hydraulic oil of the present invention both can use in basic, normal, high hydraulic fluid pressing system, also can be used on other power lubrication positions with moderate duty and used.Ashless anti-wear hydraulic oil compsn of the present invention has good hydrolysis stability, demulsification resistance, oil product filtrability and thermal oxidation stability, can improve the service life of total system.It can satisfy the high-wearing feature requirement of vanepump, can satisfy the low-corrosiveness requirement of rampump again.
Embodiment
Below in conjunction with embodiment, the present invention is further specified.
Embodiment 1
The 1# ashless anti-wear hydraulic oil, form by following components by weight percent:
Base oil:
Has steam turbine oil 95% ashless extreme-pressure anti-friction additive: the 3.0%AW-2 of performance such as oxidation stability and resistance to emulsion preferably; (S-P-N type): AW-3; (S-P type): AW-5; (P type) pressed mixture 0.09% detergent-dispersant additive that the mixture metal deactivator that mass ratio 3:2:1 mixes: T551 and T561 mix by mass ratio 1:1: mixture 0.5% antioxidant preservative that DT-6 calcium sulfenyl phenolate 0.01% antioxidant: T531 and T501 mix by mass ratio 1:1: dialkyl dithiophosphate 1.0% antirust agent: barium mahogany sulfonate T7010.05% viscosity index improver: OCP and PMA press complexing agent 0.3% anti-foaming agent of mass ratio 15:2: methyl-silicone oil 0.05%
Above-mentioned ashless anti-wear hydraulic oil preparation of compositions method, step is following:
Base oil is warming up to 85 ℃, and the control mixing speed is 300r/min, stirs behind the 3h oxidation inhibitor; Antioxidant preservative, ashless extreme pressure anti-wear additives, metal passivator; Rust-preventive agent, viscosity index improver, kilfoam adds together; Under 50 ℃, the control mixing speed is that 400r/min stirs the 5h after-filtration, finally obtains product.
Embodiment 2
The 2# ashless anti-wear hydraulic oil, form by following components by weight percent:
Base oil:
Have the turbine oil 94.9% ashless extreme-pressure anti-friction additive of performance such as oxidation stability and resistance to emulsion preferably:
AW-3; (S-P type): AW-5; (P type) pressed mixture 0.8% detergent-dispersant additive that mixture 2.6% metal deactivator that mass ratio 5:2 mixes: T551 and T561 mix by mass ratio 2:1: mixture 0.6% antioxidant preservative that DT-6 calcium sulfenyl phenolate 0.03% antioxidant: T531 and T501 mix by mass ratio 1:2: dialkyl dithiophosphate 0.5% antirust agent: alkaline dinonyl naphthalene sulfonate barium T7050.06% viscosity index improver: OCP and PMA press complexing agent 0.5% anti-foaming agent of mass ratio 9:2: methyl-silicone oil 0.01%
Above-mentioned ashless anti-wear hydraulic oil preparation of compositions method, step is following:
Base oil is warming up to 75 ℃, and the control mixing speed is 400r/min, stirs behind the 5h oxidation inhibitor; Antioxidant preservative, ashless extreme pressure anti-wear additives, metal passivator; Rust-preventive agent, viscosity index improver, kilfoam adds together; Under 60 ℃, the control mixing speed is that 300r/min stirs the 4h after-filtration, finally obtains product.
Embodiment 3
The 3# ashless anti-wear hydraulic oil, form by following components by weight percent:
Base oil:
Has good oxidation stability and resistance to emulsification and other properties of turbine oil 92% ashless anti-wear extreme pressure additives: AW-3 (SP type) 3% of the metal deactivator: T551 and T561 at a mass ratio of 1:2 mixture of the 2% detergent dispersant: DT-6 sulfurized alkylphenol calcium 0.05% Antioxidant: T531 and T501 mass ratio of 2:1 mixture of the 1.0% antioxidant preservative agent: dialkyl dithiophosphate 0.82% rust inhibitor: Dodecencylsuccinic Acid T746 0.08% viscosity index improver: OCP and SD by mass 11:2 ratio of complexing agent 1.0% anti-foam agent: methyl silicone grease 0.05%
Above-mentioned ashless anti-wear hydraulic oil preparation of compositions method, step is following:
Base oil is warming up to 80 ℃, and the control mixing speed is 350r/min, stirs behind the 4h oxidation inhibitor; Antioxidant preservative, ashless extreme pressure anti-wear additives, metal passivator; Rust-preventive agent, viscosity index improver, kilfoam adds together; Under 55 ℃, the control mixing speed is that 350r/min stirs the 3h after-filtration, finally obtains product.
Embodiment 4
The 4# ashless anti-wear hydraulic oil, form by following components by weight percent:
Base oil:
Has good oxidation stability and resistance to emulsification and other properties of turbine oil 93.9% ashless anti-wear extreme pressure additives: AW-2 (SPN model) 1.82% metal deactivator: T551 and T561 the mass ratio of 2:1 mixture of the 2% clean dispersant: DT-6 sulfurized alkylphenol calcium 0.05% Antioxidant: T531 the mass ratio of 2:1 and T501 mixture of the 1.0% antioxidant preservative: dialkyl dithiophosphate 1.0% anti-rust agent: barium petroleum sulfonate T701 0.08% viscosity index improver: OCP and the mass ratio of 11:2 DPMA Mixtures 0.1% anti-foam agent: methyl silicone oil with methyl silicone oil mixed at a mass ratio of 1:1 mixture 0.05%
Above-mentioned ashless anti-wear hydraulic oil preparation of compositions method, step is following:
Base oil is warming up to 85 ℃, and the control mixing speed is 300r/min, stirs behind the 4h oxidation inhibitor; Antioxidant preservative, ashless extreme pressure anti-wear additives, metal passivator; Rust-preventive agent, viscosity index improver, kilfoam adds together; Under 55 ℃, the control mixing speed is that 400r/min stirs the 4h after-filtration, finally obtains product.
Embodiment 5
The 5# ashless anti-wear hydraulic oil, form by following components by weight percent:
Base oil:
Have the turbine oil 94.82% ashless extreme-pressure anti-friction additive of performance such as oxidation stability and resistance to emulsion preferably:
AW-2; (S-P-N type): AW-3; (S-P type) pressed mixture 2% detergent-dispersant additive that mixture 0.5% metal deactivator that mass ratio 5:2 mixes: T551 and T561 mix by mass ratio 1:2: mixture 1.0% antioxidant preservative that DT-6 calcium sulfenyl phenolate 0.05% antioxidant: T531 and T501 mix by mass ratio 1:2: dialkyl dithiophosphate 1.0% antirust agent: alkaline dinonyl naphthalene sulfonate barium T7050.08% viscosity index improver: OCP and complexing agent 1.0% anti-foaming agent of DOCP by mass ratio 7:2: the mixture 0.05% that methyl-silicone oil and methyl-silicone oil fat mix by mass ratio 2:1
Above-mentioned ashless anti-wear hydraulic oil preparation of compositions method, step is following:
Base oil is warming up to 75 ℃, and the control mixing speed is 400r/min, stirs behind the 4h oxidation inhibitor; Antioxidant preservative, ashless extreme pressure anti-wear additives, metal passivator; Rust-preventive agent, viscosity index improver, kilfoam adds together; Under 50 ℃, the control mixing speed is that 400r/min stirs the 5h after-filtration, finally obtains product.
Embodiment 6
The 6# ashless anti-wear hydraulic oil, form by following components by weight percent:
Base oil:
Has good oxidation stability and resistance to emulsification and other properties of turbine oil 97% ashless anti-wear extreme pressure additives: AW-2 (SPN model) 0.86% metal deactivator: T551 and T561 the mass ratio of 2:1 mixture of the 0.01% clean dispersant: DT-6 sulfurized alkylphenol calcium 0.01% Antioxidant: T531 the mass ratio of 2:1 and T501 mixture of the 0.1% antioxidant preservative: dialkyl dithiophosphate 1.0% rust inhibitor: Dodecencylsuccinic acid T746 0.01% viscosity index improver: OCP and DPMA complexing agent the mass ratio of 13:2 1.0% anti-foam agent: methyl silicone grease 0.01%
Above-mentioned ashless anti-wear hydraulic oil preparation of compositions method, step is following:
Base oil is warming up to 85 ℃, and the control mixing speed is 300r/min, stirs behind the 4h oxidation inhibitor; Antioxidant preservative, ashless extreme pressure anti-wear additives, metal passivator; Rust-preventive agent, viscosity index improver, kilfoam adds together; Under 55 ℃, the control mixing speed is that 400r/min stirs the 4h after-filtration, finally obtains product.
The performance test test:
To the ashless anti-wear hydraulic oil product of embodiment 1-6 gained, carry out performance tests such as kinematic viscosity, oxidation stability, erosion resistance, anti-bubble property respectively, test result is following:
Ashless anti-wear hydraulic oil performance of products evaluation result
Can know that by above-mentioned performance test data ashless anti-wear hydraulic oil of the present invention reaches index request in the GB11118.1-94 specification, have good hydrolysis stability, demulsification resistance, oil product filtrability and thermal oxidation stability.The high-wearing feature requirement of vanepump can be satisfied, the low-corrosiveness requirement of rampump can be satisfied again.
The application test example:
Ashless anti-wear hydraulic oil of the present invention uses in the middle and high hydraulic fluid pressing system of the machine tool of certain engine manufacturer, uses the result to show, adopts ashless anti-wear hydraulic oil of the present invention can replace the ashless anti-wear hydraulic oil product of original import fully.From result of use, ashless anti-wear hydraulic oil of the present invention can satisfy the high-wearing feature requirement of vanepump, can satisfy the low-corrosiveness requirement of rampump again, can improve the service life of total system.
Claims (8)
1. an ashless anti-wear hydraulic oil is characterized in that, is made up of following components by weight percent:
Said base oil is to have the turbine oil of oxidation stability and demulsification performance preferably;
Said ashless extreme-pressure anti-friction additive is the S-P-N type, S-P type, at least a in the P type.
2. ashless anti-wear hydraulic oil as claimed in claim 1 is characterized in that, said detergent-dispersant additive is the DT-6 calcium sulfenyl phenolate.
3. ashless anti-wear hydraulic oil as claimed in claim 2 is characterized in that, said metal passivator is the mixture that 124 Triazole class T551 and thiadiazole T561 form.
4. ashless anti-wear hydraulic oil as claimed in claim 3 is characterized in that, said oxidation inhibitor is the mixture that N-phenyl-αNai An T531 and 2,6 ditertbutylparacresol T501 form.
5. ashless anti-wear hydraulic oil as claimed in claim 4 is characterized in that, said antioxidant preservative is a dialkyl dithiophosphate.
6. ashless anti-wear hydraulic oil as claimed in claim 5 is characterized in that, said rust-preventive agent is a kind of among barium mahogany sulfonate T701, alkaline dinonyl naphthalene sulfonate barium T705, the dodecenylsuccinic acid T746.
7. ashless anti-wear hydraulic oil as claimed in claim 6; It is characterized in that; Said viscosity index improver; Being to be main with ethylene propylene copolymer (OCP), is the recombiner of assisting with Rohm tech inc (PMA), vinylbenzene-diene copolymer (SD), decentralized ethylene propylene copolymer (DOCP) or decentralized Rohm tech inc (DPMA).
8. ashless anti-wear hydraulic oil as claimed in claim 7 is characterized in that, said kilfoam is the mixture of a kind of in methyl-silicone oil, the methyl-silicone oil fat or two kinds.
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| CN111040823A (en) * | 2020-01-02 | 2020-04-21 | 济南佳进新材料有限公司 | Antiwear agent, application thereof, preparation method thereof, ashless hydraulic oil composition and preparation method thereof |
| CN111040823B (en) * | 2020-01-02 | 2022-06-28 | 济南佳进新材料有限公司 | Anti-wear agent, application thereof, preparation method thereof, ashless hydraulic oil composition and preparation method thereof |
| CN111187654A (en) * | 2020-01-13 | 2020-05-22 | 辽宁百特润滑科技有限责任公司 | Copper corrosion inhibitor composition, preparation method thereof and oil product |
| CN112592755A (en) * | 2020-12-14 | 2021-04-02 | 滨州市坤厚工贸有限责任公司 | Efficient ashless hydraulic oil complexing agent composition and preparation method thereof |
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Application publication date: 20121010 |