CN115305136A - High-temperature chain oil with excellent adhesion performance and preparation method thereof - Google Patents
High-temperature chain oil with excellent adhesion performance and preparation method thereof Download PDFInfo
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- CN115305136A CN115305136A CN202210920787.8A CN202210920787A CN115305136A CN 115305136 A CN115305136 A CN 115305136A CN 202210920787 A CN202210920787 A CN 202210920787A CN 115305136 A CN115305136 A CN 115305136A
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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
- C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
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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
- 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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- 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
- C10M2207/285—Esters of aromatic polycarboxylic acids
- C10M2207/2855—Esters of aromatic polycarboxylic acids used as base material
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/10—Amides of carbonic or haloformic acids
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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
- 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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- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/28—Amides; Imides
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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
- 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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- 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
- 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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- 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
- C10N2030/02—Pour-point; Viscosity index
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- 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
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
-
- 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
- C10N2040/38—Conveyors or chain belts
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses high-temperature chain oil with excellent adhesion performance and a preparation method thereof, and relates to the technical field of chain oil. The high-temperature chain oil is prepared from synthetic ester base oil, a MDI (diphenyl-methane-diisocyanate) -functionalized diphenylamine-type epoxy soybean oil additive, a thiophenol ester antioxidant, an antiwear agent and a dispersing agent, wherein the MDI-functionalized diphenylamine-type epoxy soybean oil additive is prepared by reacting 4-aminodiphenylamine with epoxy soybean oil and then reacting with MDI. The high-temperature chain oil disclosed by the invention is excellent in oxidation resistance, and can enhance the adhesion performance of the chain oil and obviously solve the problem of poor adhesion of the chain oil.
Description
Technical Field
The invention belongs to the technical field of chain oil, and particularly relates to high-temperature chain oil with excellent adhesion performance and a preparation method thereof.
Background
The synthetic ester high-temperature chain oil is widely applied to chain transmission in a high-temperature environment, and the application fields of the synthetic ester high-temperature chain oil mainly comprise a high-temperature oven, an automobile coating production line, an artificial board production line, a polyvinyl chloride glove production line and the like.
At present, with the large-scale, rapid and high-temperature mechanical equipment, high requirements are provided for whether the high-temperature chain oil can provide sufficient lubrication at higher temperature and higher speed. The oxidation resistance at high temperature is directly related to the degradation trend of the oil product, and if the oxidation resistance of the oil product is poor, the oil product is very easy to volatilize to generate oil smoke under the harsh high-temperature environment. The volatile oil fume not only can affect the workshop environment but also can bring certain environmental pollution.
At the same time, the viscosity of the lubricating oil will gradually decrease with increasing ambient temperature. Especially under high temperature conditions, the viscosity of the lubricating oil is generally very low, and sufficient adhesion performance cannot be provided, so that the stability of a lubricating oil film cannot be ensured. Therefore, the development of a chain oil with excellent adhesion performance under high-temperature use environment is a hot spot of current research.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides high-temperature chain oil with excellent adhesion performance and a preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme to realize the purpose:
the high-temperature chain oil with excellent adhesion performance is prepared from the following raw materials in percentage by mass:
82-98% of synthetic ester base oil
0.1-10% MDI functionalized diphenylamine epoxy soybean oil additive
0.1-3% of thiophenol ester type antioxidant
0.1-3% of antiwear agent
0.1-2% of a dispersant;
the MDI functionalized diphenylamine epoxy soybean oil additive is prepared by reacting 4-aminodiphenylamine with epoxy soybean oil and then reacting with MDI.
Preferably, the synthetic ester base oil is trimellitate.
Preferably, the MDI is diphenylmethane diisocyanate MDI-100.
Further preferably, the preparation method of the MDI functionalized diphenylamine-type epoxidized soybean oil additive comprises the following steps:
10g of epoxidized soybean oil and 1.84g of 4-aminodiphenylamine are subjected to ring-opening reaction for 3 to 6 hours at the temperature of 80 to 90 ℃, and MDI with the molar ratio of 4-aminodiphenylamine and the like is added to the mixture for stirring reaction for 2 to 3 hours at the temperature of 80 to 90 ℃.
Preferably, the thiophenol ester antioxidant is at least one of didodecanediol thiodipropionate, dioctadecyl thiodipropionate and ethyl 2,2' -thiobis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ].
Preferably, the antiwear agent is a mixture of tricresyl phosphate T306 and benzotriazole fatty acid amine salt T406.
Preferably, the dispersant is polyisobutylene succinimide T154.
The invention also provides a preparation method of the high-temperature chain oil with excellent adhesion performance, which comprises the steps of mixing the synthetic ester base oil, the MDI functionalized diphenylamine epoxy soybean oil additive, the thiophenol ester antioxidant, the antiwear agent and the dispersant in proportion, and uniformly stirring at 75-85 ℃ to prepare the high-temperature chain oil. The preferred stirring temperature is 80 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to chain oil prepared by using MDI functionalized diphenylamine epoxy soybean oil additive as a raw material, wherein the structure of the chain oil contains-NH-diphenylamine structure which can provide oxidation resistance, the chain oil is better in antioxidant property after being compounded with a thiophenol antioxidant, and the chain oil contains-N-COO-group obtained after the reaction of isocyanate and hydroxyl, so that the adhesion force of the chain oil to the metal surface can be enhanced. Therefore, the high-temperature chain oil disclosed by the invention is excellent in oxidation resistance, and can be used for enhancing the adhesion performance and remarkably solving the problem of poor adhesion of the chain oil.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to make the objects, features and advantages of the invention more comprehensible. Several embodiments of the invention are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
The preparation method of the high-temperature chain oil with excellent adhesion performance comprises the following steps:
(1) 10g of epoxidized soybean oil and 1.84g of 4-aminodiphenylamine are mixed, stirred and reacted for 4 hours at 85 ℃, then 2.51g of MDI is added, and stirred and reacted for 2 hours at 85 ℃ to obtain the MDI functionalized diphenylamine-type epoxidized soybean oil additive.
(2) 96g of iso-decyl isotridecyl trimellitate, 1g of MDI functionalized diphenylamine epoxy soybean oil additive, 1g of antioxidant ethyl 2,2' -thiobis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 1g of antiwear agent T306, 0.5g of T406 and 0.5g of dispersant T154 are mixed and stirred for 60min at 80 ℃.
Example 2
A high-temperature chain oil with excellent adhesion performance is prepared by the following steps:
(1) 10g of epoxidized soybean oil and 1.84g of 4-aminodiphenylamine are mixed, stirred and reacted for 4 hours at 85 ℃, then 2.51g of MDI is added, and stirred and reacted for 2 hours at 85 ℃, and the MDI functionalized diphenylamine-type epoxidized soybean oil additive is obtained.
(2) 95g of iso-decyl isotridecyl trimellitate, 2g of MDI functionalized diphenylamine epoxy soybean oil additive, 1g of antioxidant ethyl 2,2' -thiobis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 1g of antiwear agent T306, 0.5g of T406 and 0.5g of dispersant T154 are mixed and stirred for 60min at 80 ℃.
Example 3
The preparation method of the high-temperature chain oil with excellent adhesion performance comprises the following steps:
(1) 10g of epoxidized soybean oil and 1.84g of 4-aminodiphenylamine are mixed, stirred and reacted for 4 hours at 85 ℃, then 2.51g of MDI is added, and stirred and reacted for 2 hours at 85 ℃, and the MDI functionalized diphenylamine-type epoxidized soybean oil additive is obtained.
(2) 91g of iso-decyl isotridecyl trimellitate, 5g of MDI functionalized diphenylamine epoxy soybean oil additive, 2g of antioxidant ethyl 2,2' -thiobis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 1g of antiwear agent T306, 0.5g of T406 and 0.5g of dispersant T154 are mixed and stirred for 60min at 80 ℃.
Example 4
The preparation method of the high-temperature chain oil with excellent adhesion performance comprises the following steps:
(1) 10g of epoxidized soybean oil and 1.84g of 4-aminodiphenylamine are mixed, stirred and reacted for 4 hours at 85 ℃, then 2.51g of MDI is added, and stirred and reacted for 2 hours at 85 ℃, and the MDI functionalized diphenylamine-type epoxidized soybean oil additive is obtained.
(2) 88g of iso-decyl isotridecyl trimellitate, 8g of MDI functionalized diphenylamine epoxy soybean oil additive, 2g of antioxidant ethyl 2,2' -thiobis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 1g of antiwear agent T306, 0.5g of T406 and 0.5g of dispersant T154 are mixed and stirred for 60min at 80 ℃.
Comparative example 1
A chain oil is prepared by the following steps:
(1) 97g of isotridecanol trimellitate, 1g of ethyl 2,2' -thiobis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] as an antioxidant, 1g of T306 as an antiwear agent, 0.5g of T406 and 0.5g of T154 as a dispersant were mixed and stirred at 80 ℃ for 60 minutes.
Comparative example 2
A chain oil is prepared by the following steps:
96g of isotridecanol trimellitate, 2g of ethyl 2,2' -thiobis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] as an antioxidant, 1g of T306 as an antiwear agent, 0.5g of T406 and 0.5g of T154 as a dispersant were mixed and stirred at 80 ℃ for 60 minutes.
TABLE 1 data for examples 1-4 and comparative examples 1-2
The test method of each performance index is as follows:
kinematic viscosity: method for measuring kinematic viscosity of GB/T265 petroleum product
Open flash point: determination of flash point and ignition point of GB/T3536 Petroleum products (Cleveland open cup method)
Oxidation resistance: SH/T0719 lubricating oil oxidation induction period determination (pressure differential scanning calorimetry), (temperature, 220 ℃; nitrogen pressure, 35bar; oxygen flow, 100 ml/min)
And (3) wear resistance: SH/T0189 method for measuring antiwear performance of lubricating oil (four-ball method)
Evaporation loss: oven baking (260 ℃,50g oil, 2 h)
And (3) analyzing test results: the chain oil of examples 1-4, to which the MDI-functionalized diphenylamine-based epoxidized soybean oil additive was added, had a PDSC time significantly longer than that of comparative examples 1-2 at 220 ℃ and a high-temperature evaporation loss at 260 ℃ significantly less than that of comparative examples 1-2, indicating that the additive and the thiophenol ester antioxidant have a synergistic effect, enhancing the antioxidant properties of the chain oil composition, prolonging the service life and reducing the oil smoke volatilization.
In addition, the antioxidant performance of the examples 1-4 is slightly improved with the increase of the MDI functionalized diphenylamine epoxy soybean oil additive, which shows that the additive can provide certain antioxidant performance. The four-ball wear stains of examples 1 to 4 and comparative examples 1 to 2, each having a diameter of less than 0.5mm, exhibited very excellent anti-wear properties.
The chain oils prepared in examples 1 to 4 were excellent in transport viscosity at 40 ℃ and open flash point index properties, especially in adhesion to chains, and suitable for chain lubrication in a high temperature environment.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The high-temperature chain oil with excellent adhesion performance is characterized by comprising the following raw materials in percentage by mass:
82-98% of synthetic ester base oil
0.1-10% MDI functionalized diphenylamine epoxy soybean oil additive
0.1-3% of sulfophenol ester type antioxidant
0.1-3% of antiwear agent
0.1-2% of a dispersant;
the MDI functionalized diphenylamine epoxy soybean oil additive is prepared by reacting 4-aminodiphenylamine with epoxy soybean oil and then reacting with MDI.
2. A high temperature chain oil having excellent adhesion according to claim 1, wherein the synthetic ester base oil is trimellitate.
3. A high-temperature chain oil with excellent adhesion property according to claim 1, wherein MDI is diphenylmethane diisocyanate MDI-100.
4. The high-temperature chain oil with excellent adhesion property of claim 3, wherein the MDI functionalized diphenylamine-based epoxidized soybean oil additive is prepared by the following method:
10g of epoxidized soybean oil and 1.84g of 4-aminodiphenylamine are subjected to ring-opening reaction for 3 to 6 hours at the temperature of 80 to 90 ℃, and MDI with the molar ratio of 4-aminodiphenylamine and the like is added to the mixture for stirring reaction for 2 to 3 hours at the temperature of 80 to 90 ℃.
5. The high-temperature chain oil with excellent adhesion property according to claim 1, wherein the thiophenol ester antioxidant is at least one of didodecanediol thiodipropionate, dioctadecyl thiodipropionate, and ethyl 2,2' -thiobis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ].
6. The high-temperature chain oil with excellent adhesion property of claim 1, wherein the antiwear agent is a mixture of tricresyl phosphate T306 and benzotriazole fatty acid amine salt T406.
7. A high temperature chain oil with excellent adhesion property according to claim 1, wherein the dispersant is polyisobutylene succinimide T154.
8. The preparation method of the high-temperature chain oil with excellent adhesion performance according to any one of claims 1 to 7, characterized by mixing synthetic ester base oil, MDI (Diphenyl-methane-diisocyanate) -functionalized diphenylamine-type epoxy soybean oil additive, a thiophenol ester antioxidant, an antiwear agent and a dispersant in proportion, and uniformly stirring at 75-85 ℃ to prepare the high-temperature chain oil.
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CN101886018A (en) * | 2010-07-06 | 2010-11-17 | 中国海洋石油总公司 | Functional urea-based lubricating grease and preparation method thereof |
CN105176638A (en) * | 2015-06-30 | 2015-12-23 | 上海禾泰特种润滑科技股份有限公司 | Chain lubricating oil composite agent and preparation method thereof |
CN107541307A (en) * | 2017-08-31 | 2018-01-05 | 青岛中科润美润滑材料技术有限公司 | One vegetable oil base amine antioxidant and preparation method thereof |
CN109355061A (en) * | 2018-09-27 | 2019-02-19 | 新丰见微化工实业有限公司 | A kind of epoxidized soybean oil adhesive and preparation method thereof of amine hardener modified polyurethane effect |
CN111205911A (en) * | 2020-01-15 | 2020-05-29 | 山东奇士登润滑科技有限公司 | Long-life synthetic high-temperature chain oil and preparation method thereof |
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- 2022-08-02 CN CN202210920787.8A patent/CN115305136B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101886018A (en) * | 2010-07-06 | 2010-11-17 | 中国海洋石油总公司 | Functional urea-based lubricating grease and preparation method thereof |
CN105176638A (en) * | 2015-06-30 | 2015-12-23 | 上海禾泰特种润滑科技股份有限公司 | Chain lubricating oil composite agent and preparation method thereof |
CN107541307A (en) * | 2017-08-31 | 2018-01-05 | 青岛中科润美润滑材料技术有限公司 | One vegetable oil base amine antioxidant and preparation method thereof |
CN109355061A (en) * | 2018-09-27 | 2019-02-19 | 新丰见微化工实业有限公司 | A kind of epoxidized soybean oil adhesive and preparation method thereof of amine hardener modified polyurethane effect |
CN111205911A (en) * | 2020-01-15 | 2020-05-29 | 山东奇士登润滑科技有限公司 | Long-life synthetic high-temperature chain oil and preparation method thereof |
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