CN114561239A - Anti-leakage hydraulic transmission oil - Google Patents
Anti-leakage hydraulic transmission oil Download PDFInfo
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- CN114561239A CN114561239A CN202210027090.8A CN202210027090A CN114561239A CN 114561239 A CN114561239 A CN 114561239A CN 202210027090 A CN202210027090 A CN 202210027090A CN 114561239 A CN114561239 A CN 114561239A
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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
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, 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
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/06—Well-defined aromatic 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
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
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- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/022—Ethene
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- 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
- C10M2209/084—Acrylate; Methacrylate
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- 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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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/14—Containing carbon-to-nitrogen double bounds, e.g. guanidines, hydrazones, semicarbazones
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- 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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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
- C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
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- 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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- 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
- C10M2223/047—Thioderivatives not containing metallic elements
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- 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
- C10M2223/049—Phosphite
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- 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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- 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
- C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
- C10M2229/051—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon containing halogen
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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
- C10N2030/04—Detergent property or dispersant property
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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
- C10N2030/06—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
- C10N2030/36—Seal compatibility, e.g. with rubber
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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Abstract
The invention provides drip-proof hydraulic transmission oil which comprises the following components: elastomer compatible material, ethylene and alpha-olefin copolymer HC-100, polymethacrylate, defoaming agent, N' -bis-salicylic acid-1, 2-propane diamine, extreme pressure antiwear agent, flame retardant, antioxidant, KT5023, corrosion inhibitor and base oil. The invention adopts elastomer compatible materials, can perform elastic sealing on the sealing element when the lubricating oil generates contraction action on the sealing element, and prevents the problems of leakage of the lubricating oil, work failure, accidents and the like.
Description
Technical Field
The invention relates to the technical field of lubricating oil, in particular to anti-drip hydraulic transmission oil.
Background
The hydraulic transmission oil is also called automatic transmission oil (ATF) or automatic transmission oil, is used as a working medium in a vehicle automatic transmission consisting of a hydraulic torque converter, a hydraulic coupler and a mechanical transmission, and plays a role of transmitting energy by virtue of the kinetic energy of liquid. The hydraulic transmission oil is used as a working medium to not only transmit power, but also lubricate a bearing and a gear, and is a carrier of slip heat to take away heat. The performance of hydraulic transmission oil is directly related to the reliability, transmission efficiency and service life of hydraulic elements.
Hydraulic transmission oil is a high-grade lubricating oil variety, and is widely applied to the fields of machine tools, loaders, automobiles, industrial and mining equipment, robots, agricultural machinery and the like at present. However, at present, the hydraulic transmission oil has a contraction effect on a sealing element, so that the hydraulic transmission oil is easy to drip after being used for a long time, the lubrication transmission effect is influenced if the hydraulic transmission oil is used for a long time, and the work failure and the accident are caused if the hydraulic transmission oil is used for a long time.
Disclosure of Invention
The technical problem to be solved is as follows: the invention adopts elastomer compatible materials, can elastically seal the sealing element when lubricating oil contracts the sealing element, and prevents the lubricating oil from leaking.
The technical scheme is as follows: the utility model provides a antidrip hydraulic drive oil which characterized in that: comprises the following components in percentage by weight:
preferably, the base oil is 100N hydrogenated base oil and/or 150N hydrogenated base oil.
Preferably, the elastomer compatible material is a mixture of alkylnaphthalene, dialkylbenzene and a modified hydroxyl terminated liquid rubber.
Preferably, the volume ratio of the alkyl naphthalene to the dialkyl benzene to the modified hydroxyl-terminated liquid rubber is 1:1: 3.
Preferably, the preparation method of the modified hydroxyl-terminated liquid rubber comprises the following steps:
(1) taking 500mL of hydroxyl-terminated liquid rubber, adding 10mL of 10% titanium tetrachloride solution, heating to 50 ℃, slowly dripping 20mL of 2mol/L NaOH solution while stirring, adjusting the pH to 8.5, finishing dripping within 30min, and preserving the temperature for 30min after the reaction is finished;
(2) adding 5mL of calcium dodecyl benzene sulfonate, and preserving the heat at 75 ℃ for 30 min;
(3) and (3) after deionized washing for 2 times, carrying out reduced pressure distillation to obtain the modified hydroxyl-terminated liquid rubber.
Preferably, the defoaming agent is methyl silicone oil ester or/and fluorine-containing silicone oil.
Preferably, the extreme pressure antiwear agent is one or more of sulfurized isoolefin, amino thioester and isooctyl acidic lecithin octadecylamine.
Preferably, the flame retardant is di-n-butyl phosphite and/or tricresyl phosphate.
Preferably, the antioxidant is one or more of alkyl diphenylamine, octyl diphenylamine and p, p-diisooctyl diphenylamine.
Preferably, the corrosion inhibitor is benzotriazole and/or methylbenzotriazole.
Has the advantages that:
1. the invention adopts elastomer compatible materials, can perform elastic sealing on the sealing element when the lubricating oil generates contraction action on the sealing element, and prevents the problems of leakage of the lubricating oil, work failure, accidents and the like.
2. The invention adopts the compounding way of the alkyl naphthalene, the dialkyl benzene and the modified hydroxyl-terminated liquid rubber to make up the respective defects of the alkyl naphthalene, the dialkyl benzene and the modified hydroxyl-terminated liquid rubber, exert the respective advantages and be more beneficial to elastic sealing.
3. The modified hydroxyl-terminated liquid rubber is adopted, and the hydroxyl-terminated liquid rubber is provided with hydroxyl by introducing the metal oxide and is effectively combined with an organic matter containing oleophilic groups, so that the modified hydroxyl-terminated liquid rubber has good lipophilicity and can obtain better dispersibility in base oil.
4. The invention may also be applied in mineral oil formulations and synthetic formulations.
Detailed Description
Example 1
The utility model provides a antidrip hydraulic drive oil which characterized in that: comprises the following components in percentage by weight: 3.0 percent of mixture of alkyl naphthalene, dialkyl benzene and modified hydroxyl-terminated liquid rubber, HC-1005 percent of ethylene-alpha-olefin copolymer, 2.0 percent of polymethacrylate, 5.0ppm of methyl silicone oil ester or/and fluorine-containing silicone oil, 5.0ppm of N, N' -disalicylidene-1, 2-propane diamine, 1.0 percent of sulfurized isoolefin, 1.0 percent of di-N-butyl phosphite, 0.2 percent of alkyl diphenylamine, KT 50231.0 percent, 0.02 percent of benzotriazole and/or methyl benzotriazole and the balance of 100N hydrogenated base oil; wherein the volume ratio of the alkyl naphthalene to the dialkyl benzene to the modified hydroxyl-terminated liquid rubber is 1:1: 3. The preparation method of the modified hydroxyl-terminated liquid rubber comprises the following steps:
(1) taking 500mL of hydroxyl-terminated liquid rubber, adding 10mL of 10% titanium tetrachloride solution, heating to 50 ℃, slowly dripping 20mL of 2mol/L NaOH solution while stirring, adjusting the pH to 8.5, finishing dripping within 30min, and preserving the temperature for 30min after the reaction is finished;
(2) adding 5mL of calcium dodecyl benzene sulfonate, and preserving the heat at 75 ℃ for 30 min;
(3) and (3) after deionized washing for 2 times, carrying out reduced pressure distillation to obtain the modified hydroxyl-terminated liquid rubber.
Example 2
The utility model provides a antidrip hydraulic drive oil which characterized in that: comprises the following components in percentage by weight: 4.0 percent of mixture of alkyl naphthalene, dialkyl benzene and modified hydroxyl-terminated liquid rubber, HC-10010.0 percent of ethylene-alpha-olefin copolymer, 3.0 percent of polymethacrylate, 10.0ppm of methyl silicone oil ester or/and fluorine-containing silicone oil, 20ppm of N, N' -bis (salicylic acid) -1, 2-propane diamine, 2.0 percent of aminothio ester, or 1.5 percent of tricresyl phosphate, 0.4 percent of octylbutyldiphenylamine, KT 50231.5 percent, 0.03 percent of methylbenzotriazole and the balance of 150N hydrogenated base oil; wherein the volume ratio of the alkyl naphthalene to the dialkyl benzene to the modified hydroxyl-terminated liquid rubber is 1:1: 3.
The preparation method of the modified hydroxyl-terminated liquid rubber comprises the following steps:
(1) taking 500mL of hydroxyl-terminated liquid rubber, adding 10mL of 10% titanium tetrachloride solution, heating to 50 ℃, slowly dripping 20mL of 2mol/L NaOH solution while stirring, adjusting the pH to 8.5, finishing dripping within 30min, and preserving the temperature for 30min after the reaction is finished;
(2) adding 5mL of calcium dodecyl benzene sulfonate, and preserving the heat at 75 ℃ for 30 min;
(3) and (3) after deionized washing for 2 times, carrying out reduced pressure distillation to obtain the modified hydroxyl-terminated liquid rubber.
Example 3
The utility model provides a antidrip hydraulic drive oil which characterized in that: comprises the following components in percentage by weight: 5.0 percent of mixture of alkyl naphthalene, dialkyl benzene and modified hydroxyl-terminated liquid rubber, HC-10015.0 percent of ethylene and alpha-olefin copolymer, 4.0 percent of polymethacrylate, 10.0ppm of methyl silicone oil ester or/and fluorine-containing silicone oil, 50ppm of N, N' -bis (salicylic acid) -1, 2-propane diamine, 2.0 percent of isooctyl acid sulfophospholipid octadecylamine, 1.5 percent of dibutyl phosphite, 0.6 percent of p, p-diisooctyl diphenylamine, KT 50231.5, 0.05 percent of benzotriazole, 100N hydrogenated base oil and the balance of 150N hydrogenated base oil; wherein the volume ratio of the alkyl naphthalene to the dialkyl benzene to the modified hydroxyl-terminated liquid rubber is 1:1: 3; the volume ratio of 100N hydrogenated base oil to 150N hydrogenated base oil was 1: 1.
The preparation method of the modified hydroxyl-terminated liquid rubber comprises the following steps:
(1) taking 500mL of hydroxyl-terminated liquid rubber, adding 10mL of 10% titanium tetrachloride solution, heating to 50 ℃, slowly dripping 20mL of 2mol/L NaOH solution while stirring, adjusting the pH to 8.5, finishing dripping within 30min, and preserving the temperature for 30min after the reaction is finished;
(2) adding 5mL of calcium dodecyl benzene sulfonate, and preserving the heat at 75 ℃ for 30 min;
(3) and (3) after deionized washing for 2 times, carrying out reduced pressure distillation to obtain the modified hydroxyl-terminated liquid rubber.
Example 4
The utility model provides a antidrip hydraulic drive oil which characterized in that: comprises the following components in percentage by weight: 6.0 percent of mixture of alkyl naphthalene, dialkyl benzene and modified hydroxyl-terminated liquid rubber, HC-10015.0 percent of ethylene-alpha-olefin copolymer, 5.0 percent of polymethacrylate, 10.0ppm of methyl silicone oil ester or/and fluorine-containing silicone oil, 80ppm of N, N' -disalicylidene-1, 2-propane diamine, 2.0 percent of sulfurized isoolefin, 1.5 percent of tricresyl phosphate, 0.6 percent of alkyl diphenylamine, KT 50232.0 percent, 0.06 percent of methylbenzotriazole and the balance of 100N hydrogenated base oil; wherein the volume ratio of the alkyl naphthalene to the dialkyl benzene to the modified hydroxyl-terminated liquid rubber is 1:1: 3.
The preparation method of the modified hydroxyl-terminated liquid rubber comprises the following steps:
(1) taking 500mL of hydroxyl-terminated liquid rubber, adding 10mL of 10% titanium tetrachloride solution, heating to 50 ℃, slowly dripping 20mL of 2mol/L NaOH solution while stirring, adjusting the pH to 8.5, finishing dripping within 30min, and preserving the temperature for 30min after the reaction is finished;
(2) adding 5mL of calcium dodecyl benzene sulfonate, and preserving the heat at 75 ℃ for 30 min;
(3) and (3) after deionized washing for 2 times, carrying out reduced pressure distillation to obtain the modified hydroxyl-terminated liquid rubber.
Example 5
A kind of antidrip hydraulic drive oil, characterized by that: comprises the following components in percentage by weight: 7.0 percent of mixture of alkyl naphthalene, dialkyl benzene and modified hydroxyl-terminated liquid rubber, HC-10015.0 percent of ethylene-alpha-olefin copolymer, 5.0 percent of polymethacrylate, 10.0ppm of methyl silicone oil ester or/and fluorine-containing silicone oil, 100ppm of N, N' -disalicylidene-1, 2-propane diamine, 2.5 percent of aminothioester, 1.5 percent of di-N-butyl phosphite, 0.8 percent of octylbutyl diphenylamine, KT 50232.5 percent, 0.07 percent of benzotriazole and the balance of 150N hydrogenated base oil; wherein the volume ratio of the alkyl naphthalene to the dialkyl benzene to the modified hydroxyl-terminated liquid rubber is 1:1: 3.
The preparation method of the modified hydroxyl-terminated liquid rubber comprises the following steps:
(1) taking 500mL of hydroxyl-terminated liquid rubber, adding 10mL of titanium tetrachloride solution with the concentration of 10%, heating to 50 ℃, simultaneously slowly dropwise adding 20mL of 2mol/L NaOH solution while stirring, adjusting the pH to 8.5, completing dropwise addition within 30min, and preserving heat for 30min after the reaction is finished;
(2) adding 5mL of calcium dodecyl benzene sulfonate, and preserving the heat at 75 ℃ for 30 min;
(3) and (3) after deionized washing for 2 times, carrying out reduced pressure distillation to obtain the modified hydroxyl-terminated liquid rubber.
Example 6
The utility model provides a antidrip hydraulic drive oil which characterized in that: comprises the following components in percentage by weight: 8.0 percent of mixture of alkyl naphthalene, dialkyl benzene and modified hydroxyl-terminated liquid rubber, HC-10020.0 percent of ethylene-alpha-olefin copolymer, 6.0 percent of polymethacrylate, 15.0ppm of methyl silicone oil ester or/and fluorine-containing silicone oil, 150ppm of N, N' -bis (salicylic acid) -1, 2-propane diamine, 3.0 percent of isooctyl acid sulfophospholipid octadecylamine, 2.0 percent of tricresyl phosphate, 1.0 percent of p, p-diisooctyl diphenylamine, KT50232.6, 0.09 percent of methyl benzotriazole, 100N hydrogenated base oil and the balance of 150N hydrogenated base oil; wherein the volume ratio of the alkyl naphthalene to the dialkyl benzene to the modified hydroxyl-terminated liquid rubber is 1:1: 3; the volume ratio of 100N hydrogenated base oil to 150N hydrogenated base oil was 1: 1.
The preparation method of the modified hydroxyl-terminated liquid rubber comprises the following steps:
(1) taking 500mL of hydroxyl-terminated liquid rubber, adding 10mL of 10% titanium tetrachloride solution, heating to 50 ℃, slowly dripping 20mL of 2mol/L NaOH solution while stirring, adjusting the pH to 8.5, finishing dripping within 30min, and preserving the temperature for 30min after the reaction is finished;
(2) adding 5mL of calcium dodecyl benzene sulfonate, and preserving the heat at 75 ℃ for 30 min;
(3) and (3) after deionized washing for 2 times, carrying out reduced pressure distillation to obtain the modified hydroxyl-terminated liquid rubber.
Comparative example 1
This example differs from example 6 in that it does not contain alkylnaphthalenes and dialkylbenzenes, in particular:
the utility model provides a antidrip hydraulic drive oil which characterized in that: comprises the following components in percentage by weight: 8.0 percent of modified hydroxyl-terminated liquid rubber, HC-10020.0 percent of ethylene-alpha-olefin copolymer, 6.0 percent of polymethacrylate, 15.0ppm of methyl silicone oil ester or/and fluorine-containing silicone oil, 150ppm of N, N' -bis-salicylic acid-1, 2-propane diamine, 3.0 percent of isooctyl acid sulfophospholipid octadecylamine, 2.0 percent of tricresyl phosphate, 1.0 percent of p, p-diisooctyl diphenylamine, KT50232.6 percent, 0.09 percent of methyl benzotriazole, 100N hydrogenated base oil and the balance of 150N hydrogenated base oil; wherein the volume ratio of the 100N hydrogenated base oil to the 150N hydrogenated base oil is 1: 1. The preparation method of the modified hydroxyl-terminated liquid rubber comprises the following steps:
(1) taking 500mL of hydroxyl-terminated liquid rubber, adding 10mL of 10% titanium tetrachloride solution, heating to 50 ℃, slowly dripping 20mL of 2mol/L NaOH solution while stirring, adjusting the pH to 8.5, finishing dripping within 30min, and preserving the temperature for 30min after the reaction is finished;
(2) adding 5mL of calcium dodecyl benzene sulfonate, and preserving the heat at 75 ℃ for 30 min;
(3) after deionized and washed for 2 times, the modified hydroxyl-terminated liquid rubber is obtained by reduced pressure distillation.
Comparative example 2
The difference between this example and example 5 is that no elastomer compatible material is included, specifically:
a kind of antidrip hydraulic drive oil, characterized by that: comprises the following components in percentage by weight: ethylene and alpha-olefin copolymer HC-10020.0%, polymethacrylate 6.0%, methyl silicone oil ester or/and fluorine-containing silicone oil 15.0ppm, N' -disalicylidene-1, 2-propanediamine 150ppm, isooctyl acid lecithin octadecylamine 3.0%, tricresyl phosphate 2.0%, p-diisooctyl diphenylamine 1.0%, KT 50232.6%, methylbenzotriazole 0.09%, 100N hydrogenated base oil and 150N hydrogenated base oil the rest; wherein the volume ratio of the 100N hydrogenated base oil to the 150N hydrogenated base oil is 1: 1.
The preparation method of the modified hydroxyl-terminated liquid rubber comprises the following steps:
(1) taking 500mL of hydroxyl-terminated liquid rubber, adding 10mL of 10% titanium tetrachloride solution, heating to 50 ℃, slowly dripping 20mL of 2mol/L NaOH solution while stirring, adjusting the pH to 8.5, finishing dripping within 30min, and preserving the temperature for 30min after the reaction is finished;
(2) adding 5mL of calcium dodecyl benzene sulfonate, and preserving the heat at 75 ℃ for 30 min;
(3) and (3) after deionized washing for 2 times, carrying out reduced pressure distillation to obtain the modified hydroxyl-terminated liquid rubber.
The anti-dripping hydraulic transmission oil of the embodiment is applied to a loader, a machine tool and a robot in a simulation mode respectively, and the dripping condition is observed.
TABLE 1 first time drip time of transmission oil
TABLE 2 Transmission oil drop leakage accident time
Claims (10)
1. The utility model provides a antidrip hydraulic drive oil which characterized in that: comprises the following components in percentage by weight:
2. a drip resistant hydraulic transmission oil as defined in claim 1, wherein: the base oil is 100N hydrogenated base oil and/or 150N hydrogenated base oil.
3. A drip resistant hydraulic transmission oil as defined in claim 1, wherein: the elastomer compatible material is a mixture of alkylnaphthalene, dialkylbenzene and modified hydroxyl-terminated liquid rubber.
4. A drip resistant hydraulic transmission oil as defined in claim 3, wherein: the volume ratio of the alkyl naphthalene to the dialkyl benzene to the modified hydroxyl-terminated liquid rubber is 1:1: 3.
5. A drip resistant hydraulic transmission oil as defined in claim 3, wherein: the preparation method of the modified hydroxyl-terminated liquid rubber comprises the following steps:
(1) taking 500mL of hydroxyl-terminated liquid rubber, adding 10mL of 10% titanium tetrachloride solution, heating to 50 ℃, slowly dripping 20mL of 2mol/L NaOH solution while stirring, adjusting the pH to 8.5, finishing dripping within 30min, and preserving the temperature for 30min after the reaction is finished;
(2) adding 5mL of calcium dodecyl benzene sulfonate, and preserving the heat at 75 ℃ for 30 min;
(3) and (3) after deionized washing for 2 times, carrying out reduced pressure distillation to obtain the modified hydroxyl-terminated liquid rubber.
6. A drip resistant hydraulic transmission oil as defined in claim 1, wherein: the defoaming agent is methyl silicone oil ester or/and fluorine-containing silicone oil.
7. The anti-drip hydraulic transmission oil according to claim 1, wherein: the extreme pressure antiwear agent is one or more of sulfurized isoolefin, amino thioester and isooctyl acidic lecithin octadecylamine.
8. A drip resistant hydraulic transmission oil as defined in claim 1, wherein: the flame retardant is di-n-butyl phosphite and/or tricresyl phosphate.
9. A drip resistant hydraulic transmission oil as defined in claim 1, wherein: the antioxidant is one or more of alkyl diphenylamine, octyl diphenylamine and p, p-diisooctyl diphenylamine.
10. A drip resistant hydraulic transmission oil as defined in claim 1, wherein: the corrosion inhibitor is benzotriazole and/or methylbenzotriazole.
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