CN105838484B - High-temperature chain oil composition and preparation method thereof - Google Patents
High-temperature chain oil composition and preparation method thereof Download PDFInfo
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- 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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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
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- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
- C10M137/04—Phosphate esters
- C10M137/08—Ammonium or amine salts
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- 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
- 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
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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
- 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
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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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- 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
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
- C10M2219/024—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of esters, e.g. fats
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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
- C10M2223/043—Ammonium or amine salts thereof
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/02—Viscosity; Viscosity index
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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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Abstract
The invention provides a high-temperature chain oil composition and a preparation method thereof. The high temperature chain oil composition of the present invention comprises: (a) synthesizing ester base oil; (b) alkoxy phosphate extreme pressure antiwear agents; (c) an oily agent; (d) a viscosity index improver; (e) an antioxidant; (f) the anticorrosive agent is characterized in that the synthetic ester base oil (a) is a mixture of dipentaerythritol ester and aromatic ester. The chain oil composition is suitable for being used at high temperature, has excellent high-temperature performance, does not have carbon deposition residue after long-time work at high temperature, does not drip, and has excellent wear resistance, wear reduction performance and corrosion resistance, low friction coefficient and small chain wear. In addition, the high-temperature chain oil composition disclosed by the invention has the characteristics of low toxicity, easiness in decomposition, environmental friendliness and the like.
Description
Technical Field
The invention relates to a high-temperature chain oil composition, in particular to a high-temperature chain oil composition with excellent wear resistance and wear resistance, low oil sludge, low evaporation loss and low coking amount and a preparation method thereof.
Background
The chain is an important part of mechanical transmission and has wide application in various industrial fields. The chain oil is an important auxiliary agent used for the chain, is mainly used for reducing friction and protecting the chain and other parts from being abraded, and also has the functions of rust prevention and buffering. In addition, the high-temperature chain oil also needs to have good heat resistance, plays a role in protecting a lubricating chain at high temperature, and is mainly used for lubricating and protecting chains of a heat setting machine, a stretching tenter and a printing machine in the textile printing and dyeing industry, a film stretcher in the plastic film industry, a baking finish drying room in the automobile manufacturing industry and the like.
At present, the research on the high-temperature chain oil in the industry mainly focuses on the high-temperature performance, and the lubricating performance, the wear resistance and the antifriction performance are less concerned. For example, patent document 1 discloses a high-temperature chain oil which can be used under a high-temperature condition of 280 ℃ and can significantly reduce the amount of high-temperature coking, and a method for producing the same, wherein dipentaerythritol ester and aromatic ester are mixed in a certain ratio, and an extreme pressure antiwear agent is added. However, the extreme pressure antiwear agent selected in patent document 1 is mainly conventional additives such as triphenyl phosphate, tricresyl phosphate, and phosphate ester, and has general antiwear performance, and oil sludge and many sediments are easily generated at high temperature. Patent document 2 discloses a high-temperature chain oil composition which is prepared from a low-viscosity ester oil, a high-viscosity complex ester, a polyisobutylene tackifier and a conventional triphenyl phosphate antiwear agent, and which can be used at a high temperature of 260 ℃ or higher with evaporation loss controlled to be within 1%. However, the above patent documents mainly study how to improve the high temperature performance by changing the kind and the blending ratio of the base oil, but there is almost no innovation in the selection of the anti-wear agent, and there is no breakthrough in the anti-wear performance.
Documents of the prior art
Patent document 1: chinese patent application CN101117609A
Patent document 2: chinese patent application CN101240219A
Disclosure of Invention
Problems to be solved by the invention
The invention aims to provide a high-temperature chain oil composition and a preparation method thereof, which are different from the prior art. The chain oil composition is suitable for being used at high temperature, has super high-temperature performance, excellent wear resistance, wear resistance and corrosion resistance, and lower friction coefficient, and can ensure that the operation of a machine is safer and more reliable, and the comprehensive performance is more excellent.
Means for solving the problems
In order to achieve the above object, the present invention provides a high temperature chain oil composition comprising: (a) synthesizing ester base oil; (b) alkoxy phosphate extreme pressure antiwear agents; (c) an oily agent; (d) a viscosity index improver; (e) an antioxidant; (f) the anticorrosive agent is characterized in that the synthetic ester base oil (a) is a mixture of dipentaerythritol ester and aromatic ester.
In the high-temperature chain oil composition, the mass ratio of the dipentaerythritol ester to the aromatic ester is 1: 4-4: 1, and preferably 1: 3-3: 1.
In the high-temperature chain oil composition of the invention, the kinematic viscosity of the (a) synthetic ester base oil at 40 ℃ is50～400mm2/s。
In the high-temperature chain oil composition, the (c) oiliness agent is at least one of fatty acid, fatty acid ester, fatty alcohol, amine, amide and organic sulfur compound, and the mass ratio of the (b) alkoxy phosphate extreme pressure antiwear agent to the (c) oiliness agent is 5: 1-1: 5, preferably 4: 1-1: 1.
In the high-temperature chain oil composition of the present invention, the viscosity index improver (d) is at least one of a high-viscosity complex ester oil, polyisobutylene, a styrene-isoprene copolymer, an ethylene-propylene polymer, and a polyisoprene copolymer.
In the high temperature chain oil composition of the present invention, the viscosity index of the (d) viscosity index improver is 200 or more.
In the high temperature chain oil composition of the present invention, the (e) antioxidant comprises an amine antioxidant, a phenol antioxidant or a mixture thereof.
In the high temperature chain oil composition of the present invention, the (f) anticorrosive agent includes a carboxylic acid derivative or a carboxylic acid ester derivative.
In the high-temperature chain oil composition, the content of the synthetic ester base oil (a) is 85-98 mass%, preferably 90-95 mass%, calculated by taking the total mass of the chain oil composition as 100%; the content of the (b) alkoxy phosphate extreme pressure antiwear agent is 0.1-3 mass%, preferably 0.2-1.5 mass%; the content of the oily agent (c) is 0.1 to 2 mass%, preferably 0.3 to 1 mass%; the content of the viscosity index improver (d) is 1-10 mass%, preferably 3-8 mass%; the content of the antioxidant (e) is 0.1-2 mass%, preferably 0.3-1.5 mass%; the content of the anticorrosive agent (f) is 0.01 to 0.5 mass%, preferably 0.03 to 0.1 mass%.
The invention also provides a preparation method of the high-temperature chain oil composition, which comprises the following steps: and mixing and stirring the components uniformly to obtain the high-temperature chain oil composition.
ADVANTAGEOUS EFFECTS OF INVENTION
The high-temperature chain oil composition disclosed by the invention is excellent in high-temperature performance and wear resistance and wear reduction performance, and free of carbon deposition residue and dripping after long-time working at high temperature, so that the consumption of lubricating oil can be effectively reduced, and the chain wear is reduced. In addition, the high-temperature chain oil composition disclosed by the invention has the characteristics of low toxicity, easiness in decomposition, environmental friendliness and the like.
Specifically, the high temperature chain oil composition of the present invention has the following advantages:
(1) the selected alkoxy phosphate extreme pressure antiwear agent has outstanding antiwear and wear resistance, the characteristic is incomparable to any additive at home and abroad, and compared with the common antiwear agent, the alkoxy phosphate extreme pressure antiwear agent can increase the maximum non-seizure load PB value of a four-ball test of a chain oil composition by more than 4 grades under the same condition.
(2) The invention fully utilizes the anti-wear and lubrication synergistic action and compatibility of the alkoxy phosphate extreme pressure anti-wear agent and the oiliness agent, can ensure that the chain oil composition has excellent friction resistance and lubrication performance even under a smaller additive amount, and can reduce the generation amount of high-temperature oil sludge and sediments of oil products. In addition, the mass ratio of the alkoxy phosphate extreme pressure antiwear agent to the oiliness agent is further within a certain range, the maximum non-seizure load PB value of the chain oil composition can reach over 160kg, the wear-resisting spot diameter can be below 0.32mm, and the wear-resisting lubricating property is very excellent.
(3) The working temperature of the high-temperature chain oil is basically over 200 ℃, if the viscosity index of the oil product is low, the viscosity at the high temperature is obviously reduced, so that the adhesion of the oil product is poor, the oil product is easy to flow off, and the chain is subjected to dry grinding. The viscosity index improver with high viscosity index can improve the viscosity index of the chain oil composition by more than 10, effectively improve the adhesiveness of oil products, ensure that the oil can be firmly adhered to a friction surface and reduce the chance of falling off.
(4) The dipentaerythritol ester is the best high-temperature oil in various ester oils, and has the advantages of less evaporation loss and coking and low carbon residue. The aromatic ester has good high-temperature oxidation resistance, good compatibility with additives and low cost. According to the invention, the dipentaerythritol saturated aromatic ester is selected as the base oil, so that the high-temperature chain oil composition has the characteristics of good high temperature property, viscosity-temperature property, low coking, no oil sludge, low evaporation loss and the like, and the two ester oils are both very suitable for being used as the base oil of the chain oil, have high cost performance and are easy to industrially produce and popularize.
Detailed Description
The present invention will be described in detail below.
< A) synthetic ester base oil >
The synthetic ester base oil is a mixture of dipentaerythritol ester and aromatic ester. Examples of the aromatic ester include trimellitic acid ester and phthalic acid diester. The content of the synthetic ester base oil is 85-98 mass%, preferably 90-95 mass%, calculated on the basis of 100% of the total mass of the chain oil composition.
In the invention, the mass ratio of the dipentaerythritol ester to the aromatic ester is 1: 4-4: 1, preferably 1: 3-3: 1.
The kinematic viscosity of the synthetic ester base oil at 40 ℃ is 50-400 mm2(ii) s, preferably 100 to 380mm2And s. As used herein, kinematic viscosity at 40 ℃ refers to kinematic viscosity at 40 ℃ as determined according to GB/T265-1988. If the kinematic viscosity at 40 ℃ of the synthetic ester base oil exceeds 400mm2S, which affects the permeability and jetting properties of the chain oil composition and does not provide sufficient lubrication to the chain; if the kinematic viscosity at 40 ℃ is less than 50mm2And/s, the resulting chain oil composition has poor lubricity at the lubrication sites and greater evaporation loss.
The dipentaerythritol ester selected by the invention is the base oil with the best high-temperature performance at present, has lower evaporation loss and carbon residue, and is not easy to coke. The aromatic ester has an aromatic ring structure, so that the aromatic ester can show better high-temperature oxidation resistance, can also increase the compatibility with additives, and has low cost. According to the invention, the dipentaerythritol ester and the aromatic ester are blended, so that the advantages of the dipentaerythritol ester and the aromatic ester can be fully exerted, and the high-temperature chain oil composition with excellent comprehensive performance is prepared.
Alkoxy phosphate extreme pressure antiwear agent
In the present invention, the alkoxyphosphate-based extreme pressure anti-wear agent is not particularly limited, and either a synthetic one or a commercially available one may be used. The method for synthesizing the alkoxyphosphate is not particularly limited, and may be prepared, for example, by the following method: reacting low-carbon alcohol with phosphorus oxychloride to prepare alkyl phosphoric acid, and reacting the obtained alkyl phosphoric acid with amine to obtain alkoxy phosphate. As an example of a commercially available product, for example, a P120 phosphorus star extreme pressure antiwear agent manufactured by Shenyang Huanlan oil products chemical Co., Ltd can be used.
In the invention, the alkoxy phosphate extreme pressure antiwear agent is used as the extreme pressure antiwear agent, so that the antiwear performance of the chain oil composition is greatly improved, and compared with other common antiwear agents, the alkoxy phosphate extreme pressure antiwear agent can greatly improve the maximum non-seizure load PB value of a four-ball test under the same condition, and can further reduce the wear scar diameter.
The content of the alkoxy phosphate extreme pressure antiwear agent is 0.1-3 mass percent, preferably 0.2-1.5 mass percent, calculated by the total mass of the chain oil composition as 100 percent. If the content of the alkoxy phosphate extreme pressure antiwear agent is less than 0.1 mass percent, the high-temperature chain oil composition can not provide the required extreme pressure antiwear performance, and the safe and reliable operation of the chain under the heavy load working condition can not be realized; if the content of the alkoxy phosphate extreme pressure antiwear agent is more than 3 mass percent, the extreme pressure antiwear performance of the chain oil composition is not greatly improved, and the comprehensive performance of the chain oil composition is also influenced.
[ oil-based agent ]
The oily agent is at least one of fatty acid, fatty acid ester, fatty alcohol, amine, amide, and organic sulfur compound, and examples thereof include: sulfurized cottonseed oil, sulfurized olefin cottonseed oil, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, laurylamine, myristylamine, palmitylamine, stearylamine, oleylamine, trihexylamine oleate, lauryl alcohol, myristyl alcohol, palmityl alcohol, stearyl alcohol, oleyl alcohol, methyl laurate, methyl myristate, methyl palmitate, methyl stearate, methyl oleate, glyceryl monooleate, glyceryl monostearate, phosphonate, ethylene glycol oleate, butyl oleate, phosphate ester, epoxy oleate, ethylene glycol dimer acid ester, lauramide, myristamide, palmitamide, stearamide, oleamide, etc., preferably at least one of sulfurized cottonseed oil, ethylene glycol oleate and sulfurized olefin cottonseed oil, more preferably sulfurized olefin cottonseed oil.
The content of the oiliness agent is 0.1 to 2 mass%, preferably 0.3 to 1 mass%, based on 100 mass% of the total chain oil composition. If the content of the oiliness agent is less than 0.1 mass%, good oiliness and antifriction performance cannot be embodied, and if the content of the oiliness agent is more than 2 mass%, the water diversion performance of the oil product is affected.
In addition, the oiliness agent and the alkoxy phosphate extreme pressure antiwear agent have excellent antiwear synergistic effect and compatibility, so that the antiwear and antiwear performance is further improved, the excellent lubricating performance of the chain oil composition can be ensured, and the purpose of reducing energy consumption is achieved.
In the invention, the mass ratio of the alkoxy phosphate extreme pressure antiwear agent to the oiliness agent is 5: 1-1: 5, preferably 4: 1-1: 1.
< viscosity index improver >
The viscosity index improver used in the present invention is at least one of high viscosity complex ester oil, polyisobutylene, styrene-isoprene copolymer, ethylene propylene polymer, and polyisoprene copolymer, and preferably high viscosity complex ester oil or styrene-isoprene copolymer.
The viscosity index improver of the present invention has a viscosity index of 200 or more, preferably 250 or more. When the viscosity index is within the range, the viscosity index of the chain oil composition can be greatly improved, the oil product adhesiveness can be effectively improved, the oil can be firmly adhered to a friction surface, and the falling chance is reduced. If the viscosity index is lower than 200, the viscosity-temperature performance of the chain oil composition cannot be effectively improved, so that the adhesion of oil products is poor, the oil products are easy to flow off, and the chain is dry-ground. The viscosity index referred to herein denotes the viscosity index measured according to GB/T1995-1998.
The content of the viscosity index improver is 1 to 10 mass%, preferably 3 to 8 mass%, based on 100 mass% of the total chain oil composition. When the content of the viscosity index improver is less than 1 mass%, the improvement effect on the viscosity-temperature performance of the chain oil composition is poor; when the viscosity index improver is contained in an amount of more than 10% by mass, the viscosity becomes too high, which affects the permeability of the chain oil composition.
[ e ] antioxidant
The chain oil composition comprises an antioxidant as a component (e), wherein the antioxidant comprises an amine antioxidant, a phenol antioxidant or a mixture of the amine antioxidant and the phenol antioxidant, specifically, the antioxidant comprises at least one of p, p-dioctyl diphenylamine, alkylated phenyl- α -naphthylamine and high molecular thioether phenol, and the antioxidants have high-temperature performance and can better play a role at a temperature of more than 200 ℃.
< f) anticorrosive agent >
The chain oil composition comprises an anticorrosive agent, wherein the anticorrosive agent can perform chemical reaction on the metal surface of the chain to form a chemical film, so that the metal is effectively prevented from being directly contacted with oxygen and moisture, the chain is effectively prevented from being corroded, and the service life of the chain is prolonged.
In the present invention, the anticorrosive agent includes a carboxylic acid derivative or a carboxylic acid ester derivative, for example, preferably dodecenylsuccinic acid, alkenylsuccinic acid ester, and the like.
In addition to the above components, the high temperature chain oil composition of the present invention may further include other conventional additives within a range that does not affect the above components.
In addition, the invention also provides a preparation method of the high-temperature chain oil composition, which comprises the following steps: the components are weighed according to the proportion, mixed and stirred evenly.
Preferably, the method comprises the steps of: and weighing the synthetic ester base oil, the viscosity index improver, the antioxidant, the alkoxy phosphate extreme pressure antiwear agent, the oiliness agent and the preservative according to the proportion, adding the weighed materials into a container, and uniformly stirring at 50-60 ℃ to obtain the high-temperature chain oil composition.
The following examples of the present invention are provided for the purpose of illustration and description only and are not intended to limit the invention. In the examples, "parts" means "parts by mass".
Example 1
69 parts of dipentaerythritol ester DIPE-3 (manufactured by Tokay Chemical Co., Ltd.), 23.5 parts of trimellitate ester Emkarate1938 (manufactured by Croda Chemical Company) and 4.9 parts of viscosity index improver Priolube 3986 (viscosity index of 278, manufactured by Croda Chemical Company) were added to a 200ml beaker, followed by sequentially adding 1 part of P-dioctyldiphenylamine antioxidant Irganox L01 (manufactured by Basf Chemical Company Co., Ltd.), 1 part of P120 phosphorus star extreme pressure agent (manufactured by Shenyang Huanlun antiwear Chemical Co., Ltd.), 0.5 part of oiliness agent sulfurized olefin cottonseed oil T405A (manufactured by Kangtai lubricating oil additives Co., Ltd., N.) and 0.1 part of anticorrosive alkenyl succinate Irganox L12 (manufactured by Basf Chemical Company Co., Ltd.), and stirred at 60 ℃ until uniform and transparent to obtain a high temperature chain oil composition I.
Example 2
59 parts of dipentaerythritol ester DIPE-2 (manufactured by Kingy Rajie Chemical Co., Ltd.), 35 parts of trimellitate ester Emkarate1938 (manufactured by Croda Chemical Company) and 4 parts of viscosity index improver Priolube 3986 (manufactured by Croda Chemical Company, viscosity index 278) were added to a 200ml beaker, followed by sequentially adding 0.4 part of a thioether-group-containing high molecular weight phenolic antioxidant Irganox L115 (manufactured by Basf Chemical Company, Ltd.), 0.8 part of P120 phosphorus star extreme pressure antiwear agent (manufactured by Shenyang Huanlun oil Chemical Co., Ltd.), 0.7 part of an oiliness agent sulfurized olefin cottonseed oil T405A (manufactured by Kangtai lubricating oil additives Co., Ltd.) and 0.1 part of an anticorrosive alkenyl succinate Irganox L12 (manufactured by Basf Chemical Company, Ltd.), and stirred at 60 ℃ until uniform and transparent to obtain a high temperature chain oil composition II.
Comparative example 1
A chain oil composition III was prepared in the same manner as in example 1, except that the P120 phosphorus star extreme pressure antiwear agent in example 1 was replaced with tricresyl phosphate T306 (manufactured by mitsuki lubricating oil additives ltd, nju).
Comparative example 2
A chain oil composition IV was prepared in the same manner as in example 1, except that the oiliness agent sulfurized olefin cottonseed oil T405A in example 1 was replaced with a P120 phosphorus star extreme pressure antiwear agent.
Comparative example 3
A chain oil composition V was prepared in the same manner as in example 1, except that the viscosity index improver Priolube 3986 in example 1 was replaced with the dipentaerythritol ester DIPE-3.
Comparative example 4
A chain oil composition VI was prepared in the same manner as in example 1 except that the base oil dipentaerythritol ester DIPE-3 in example 1 was replaced with the saturated polyol ester SDYZ-17 (manufactured by Nanjing Wille Biochemical Co., Ltd.), and the trimellitate ester Emkarate1938 was replaced with the saturated polyol ester Priolube3987 (manufactured by Croda Chemical Company).
Table 1 lists the performance test data for the above chain oil compositions I-VI.
TABLE 1
As can be seen from Table 1, the high-temperature chain oil composition has the advantages of high maximum non-seizure load PB value, small wear-resisting spot diameter, obvious wear-resisting and wear-resisting properties, low oil coking, no oil sludge, low evaporation loss and excellent high-temperature performance.
Compared with the comparative example 1 added with a conventional antiwear agent, namely tricresyl phosphate T306, the maximum non-seizure load PB value of the example 1 added with the P120 phosphorus extreme pressure antiwear agent is up to 161kg, the maximum non-seizure load PB value is improved by 4 grades compared with the comparative example 1, the diameter of the wear mark is 0.3mm, and the diameter of the wear mark is far smaller than that of the wear mark in the comparative example 1 by 0.45 mm.
As can be seen from the comparison between the comparative example 2 and the example 1, the alkoxy phosphate extreme pressure antiwear agent and the oiliness agent are compounded to show the synergistic effect of wear resistance and wear resistance, and the wear resistance and wear resistance are further improved.
In comparative example 3, after replacing the viscosity index improver with DIPE-erythritol ester DIPE-3, the viscosity index of the chain oil composition decreased greatly and the viscosity-temperature performance became poor. In addition, the diameter of the wear marks tends to increase, and it can be seen that the viscosity index improver of the present invention also has a certain anti-wear effect.
The comparative example 4 selects saturated polyol ester as base oil, although the viscosity index is increased, the evaporation loss and the coking tendency of oil products are also obviously increased, the high-temperature performance of the oil products is reduced, the service life is shortened, and the comprehensive performance is poorer than that of the example 1.
Claims (9)
1. A high temperature chain oil composition comprising: (a) synthesizing ester base oil; (b) alkoxy phosphate extreme pressure antiwear agents; (c) an oily agent; (d) a viscosity index improver; (e) an antioxidant; (f) the corrosion inhibitor is a mixture of a corrosion inhibitor,
wherein the synthetic ester base oil (a) is a mixture of dipentaerythritol ester and aromatic ester,
the content of the synthetic ester base oil (a) is 85-98% by mass based on 100% by mass of the total chain oil composition; the content of the (b) alkoxy phosphate extreme pressure antiwear agent is 0.1-3 mass%; the content of the oily agent (c) is 0.1-2 mass%; the content of the viscosity index improver (d) is 1-10 mass%; the content of the antioxidant (e) is 0.1-2 mass%; the content of the anticorrosive agent (f) is 0.01-0.5 mass%;
the (c) oiliness agent is an organic sulfur compound, and the mass ratio of the (b) alkoxy phosphate extreme pressure antiwear agent to the (c) oiliness agent is 5: 1-1: 5;
the viscosity index improver (d) is high-viscosity composite ester oil;
the viscosity index of the (d) viscosity index improver is more than 200.
2. The high-temperature chain oil composition as claimed in claim 1, wherein the mass ratio of the dipentaerythritol ester to the aromatic ester is 1: 4-4: 1.
3. The high-temperature chain oil composition as claimed in claim 2, wherein the mass ratio of the dipentaerythritol ester to the aromatic ester is 1: 3-3: 1.
4. A high temperature chain oil composition as claimed in any one of claims 1 to 3, wherein the kinematic viscosity of the (a) synthetic ester base oil at 40 ℃ is 50 to 400mm2/s。
5. A high-temperature chain oil composition as claimed in any one of claims 1 to 3, wherein the mass ratio of the (b) alkoxy phosphate extreme pressure antiwear agent to the (c) oiliness agent is 4:1 to 1: 1.
6. A high temperature chain oil composition as claimed in any one of claims 1 to 3, wherein the (e) antioxidant comprises an amine antioxidant, a phenolic antioxidant or a mixture thereof.
7. A high temperature chain oil composition as claimed in any one of claims 1 to 3, wherein the (f) corrosion inhibitor comprises a carboxylic acid derivative or a carboxylic acid ester derivative.
8. A high temperature chain oil composition as claimed in claim 1, wherein the content of the (a) synthetic ester base oil is 90-95% by mass, based on 100% by mass of the total chain oil composition; the content of the (b) alkoxy phosphate extreme pressure antiwear agent is 0.2-1.5 mass%; the content of the oily agent (c) is 0.3-1% by mass; the content of the viscosity index improver (d) is 3-8 mass%; the content of the antioxidant (e) is 0.3-1.5 mass%; the content of the anticorrosive agent (f) is 0.03-0.1% by mass.
9. A preparation method of the high-temperature chain oil composition as claimed in any one of claims 1 to 8, comprising the following steps: and mixing and stirring the components uniformly to obtain the high-temperature chain oil composition.
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| CN106520308A (en) * | 2016-11-04 | 2017-03-22 | 广西大学 | Lubricant composite for permalloy cold forging processing technology |
| CN106753688B (en) * | 2016-12-30 | 2021-01-29 | 天津南开大学蓖麻工程科技有限公司 | Biodegradable chain oil special for electric chain saw |
| CN107353980A (en) * | 2017-07-26 | 2017-11-17 | 合肥铭佑高温技术有限公司 | A kind of high-temperature chain oil composition and preparation method thereof |
| CN108048633A (en) * | 2017-12-28 | 2018-05-18 | 南京科润新材料技术有限公司 | A kind of new synthesizing ester tempering oil compound and preparation method thereof |
| CN108865383A (en) * | 2018-09-19 | 2018-11-23 | 苏州玖城润滑油有限公司 | Synthesizing high temperature chain oils |
| CN109943403A (en) * | 2019-04-23 | 2019-06-28 | 中国石油化工股份有限公司 | A kind of high-temperature chain oil composition and preparation method thereof |
| CN111377578A (en) * | 2020-03-10 | 2020-07-07 | 江山市恒生实业有限公司 | Wastewater treatment and purification process for chain production |
| CN115433623A (en) * | 2022-09-07 | 2022-12-06 | 广州诺拜因化工有限公司 | Polyester type high-temperature chain oil for high-temperature-resistant non-coking plastic biaxial stretching machine |
| CN115368543B (en) * | 2022-09-23 | 2024-03-26 | 黄山嘉恒科技有限公司 | Polyester resin for powder coating and preparation method thereof |
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| US3947369A (en) * | 1972-02-15 | 1976-03-30 | Hercules Incorporated | Lubricating oil base stock |
| CN101117609B (en) * | 2006-08-04 | 2010-05-12 | 中国石油天然气股份有限公司大连润滑油研究开发中心 | High-temperature chain oil and preparation method thereof |
| DE202006019075U1 (en) * | 2006-09-13 | 2007-04-12 | Addinol Lube Oil Gmbh | High temperature lubricant, useful in lubricating chains, comprises oil mixture comprising trimellitate ester, polyolester and complex ester, additive package, high pressure additives, antioxidants, metal-deactivator and wear reducer |
| CN101696369A (en) * | 2009-10-26 | 2010-04-21 | 益田润石（北京）化工有限公司 | High-temperature chain oil composition |
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