CN114456869A - Complex ester type high-viscosity refrigerator oil composition and preparation method thereof - Google Patents
Complex ester type high-viscosity refrigerator oil composition and preparation method thereof Download PDFInfo
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- CN114456869A CN114456869A CN202210072486.4A CN202210072486A CN114456869A CN 114456869 A CN114456869 A CN 114456869A CN 202210072486 A CN202210072486 A CN 202210072486A CN 114456869 A CN114456869 A CN 114456869A
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- complex ester
- oil composition
- ester type
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- 150000002148 esters Chemical class 0.000 title claims abstract description 54
- 239000000203 mixture Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title description 9
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 40
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- OKHXVHLULYUTCR-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;hexanedioic acid Chemical compound CCC(CO)(CO)CO.OC(=O)CCCCC(O)=O OKHXVHLULYUTCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002253 acid Substances 0.000 claims abstract description 21
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 19
- 239000002516 radical scavenger Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 8
- -1 compound ester Chemical class 0.000 claims abstract description 4
- WJUMWVJBOZKPPU-UHFFFAOYSA-N 2,3-bis(6-methylheptyl)-N-phenylaniline Chemical group C(CCCCC(C)C)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCC(C)C WJUMWVJBOZKPPU-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 claims description 6
- 150000004982 aromatic amines Chemical class 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 239000003112 inhibitor Substances 0.000 claims description 6
- IKXFIBBKEARMLL-UHFFFAOYSA-N triphenoxy(sulfanylidene)-$l^{5}-phosphane Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=S)OC1=CC=CC=C1 IKXFIBBKEARMLL-UHFFFAOYSA-N 0.000 claims description 6
- HRWYHCYGVIJOEC-UHFFFAOYSA-N 2-(octoxymethyl)oxirane Chemical compound CCCCCCCCOCC1CO1 HRWYHCYGVIJOEC-UHFFFAOYSA-N 0.000 claims description 5
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical group CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 5
- 239000002530 phenolic antioxidant Substances 0.000 claims description 5
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000012964 benzotriazole Substances 0.000 claims description 3
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 claims description 3
- RMKNTZWZQFIOOB-UHFFFAOYSA-N n-butyl-2-octyl-n-phenylaniline Chemical compound CCCCCCCCC1=CC=CC=C1N(CCCC)C1=CC=CC=C1 RMKNTZWZQFIOOB-UHFFFAOYSA-N 0.000 claims description 3
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 abstract description 9
- 230000003993 interaction Effects 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 31
- 239000003507 refrigerant Substances 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 4
- 239000002199 base oil Substances 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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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
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
-
- 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
- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
- C10M171/008—Lubricant compositions compatible with refrigerants
-
- 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
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
-
- 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
- C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
- C10M2207/046—Hydroxy ethers
-
- 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
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
-
- 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
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
- C10M2211/022—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aliphatic
-
- 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
- C10M2215/02—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
-
- 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
- C10M2215/02—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
- C10M2215/065—Phenyl-Naphthyl amines
-
- 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
-
- 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
-
- 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
- C10M2223/047—Thioderivatives not containing metallic elements
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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
- 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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- 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
- 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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- 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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/09—Characteristics associated with water
- C10N2020/097—Refrigerants
- C10N2020/099—Containing Chlorofluorocarbons
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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
- C10N2030/64—Environmental friendly compositions
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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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/30—Refrigerators lubricants or compressors lubricants
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention provides a compound ester type high-viscosity refrigerator oil composition which is prepared from the following raw materials: 100 parts by weight of trimethylolpropane adipate complex ester; 0.1 to 1 part by weight of an acid scavenger; 0.1 to 1 part by weight of an antioxidant; 1-5 parts of antiwear agent; 0.01 to 0.1 parts by weight of an anticorrosive agent; 0.001 to 0.01 part by weight of an antifoaming agent. Compared with the prior art, the complex ester type high-viscosity refrigerator oil composition provided by the invention adopts components with specific contents, realizes better interaction, can be compatible with a refrigerant R22 on the basis of good performances of the product, is used for a screw machine to reduce the lubricating viscosity reduction in a compressor and improve the efficiency of the compressor, and thus, the requirement of long-time operation of the screw refrigerator of an efficient industrial and commercial refrigerating unit is effectively met.
Description
Technical Field
The invention relates to the technical field of lubricating oil compositions, in particular to a complex ester type high-viscosity refrigerator oil composition and a preparation method thereof.
Background
R22 (chlorodifluoromethane) is a high-efficiency industrial and commercial refrigerating unit of a refrigerant, and the structural design is very compact. At present, a large amount of high-efficiency refrigeration equipment is used in China, so that the refrigerating machine oil is required to have good flash point, low-temperature performance, high viscosity index and high viscosity, and good oil-gas separation performance, and can provide good lubrication and sealing for bearings and running parts; excellent low-temperature performance, good intersolubility with refrigerant (relative to mineral oil and alkylbenzene), high stability with CFC refrigerant, and high oil return and heat exchange efficiency of oil bath evaporator, so as to improve compressor efficiency.
Disclosure of Invention
In view of the above, the present invention provides a complex ester type high viscosity refrigerator oil composition and a preparation method thereof, wherein the complex ester type high viscosity refrigerator oil composition provided by the present invention is partially miscible with a refrigerant (such as R22) and is used in a screw machine to reduce viscosity reduction of lubrication in a compressor and improve efficiency of the compressor.
The invention provides a complex ester type high-viscosity refrigerator oil composition which is prepared from the following raw materials:
100 parts by weight of trimethylolpropane adipate;
0.1 to 1 part by weight of an acid scavenger;
0.1 to 1 weight part of antioxidant;
1-5 parts of antiwear agent;
0.01 to 0.1 parts by weight of an anticorrosive agent;
0.001 to 0.01 part by weight of an antifoaming agent.
Preferably, the viscosity index of the trimethylolpropane adipate complex ester is not less than 145.
Preferably, the acid trapping agent is tert-butyl glycidyl ester and/or octyl glycidyl ether.
Preferably, the antioxidant is selected from one or more of naphthylamine antioxidant, arylamine antioxidant and phenolic antioxidant.
Preferably, the naphthylamine antioxidant is N-phenyl-a-naphthylamine and derivatives thereof;
the arylamine antioxidant is diisooctyl diphenylamine and/or octyl butyl diphenylamine;
the phenolic antioxidant is T501 antioxidant.
Preferably, the antiwear agent is selected from tricresyl phosphate and/or triphenyl thiophosphate.
Preferably, the anticorrosive agent is benzotriazole and derivatives thereof.
Preferably, the anti-foaming agent is selected from 10000 # fluorosilicone oil or 8000 # methylsilicone oil.
The invention also provides a preparation method of the complex ester type high-viscosity refrigerator oil composition, which comprises the following steps:
mixing trimethylolpropane adipic acid complex ester, an acid catcher, an antioxidant, an antiwear agent, an anticorrosive agent and an antifoaming agent to obtain the complex ester type high-viscosity refrigerator oil composition.
Preferably, the mixing mode is stirring; the stirring temperature is 85-105 ℃, the rotating speed is 220-300 r/min, and the time is 90-120 min.
The invention provides a complex ester type high-viscosity refrigerator oil composition which is prepared from the following raw materials: 100 parts by weight of trimethylolpropane adipate; 0.1 to 1 part by weight of an acid scavenger; 0.1 to 1 weight part of antioxidant; 1-5 parts of antiwear agent; 0.01 to 0.1 parts by weight of an anticorrosive agent; 0.001 to 0.01 part by weight of an antifoaming agent. Compared with the prior art, the complex ester type high-viscosity refrigerator oil composition provided by the invention adopts components with specific contents, realizes better interaction, can be compatible with a refrigerant R22 on the basis of good performances of the product, is used for a screw machine to reduce the lubricating viscosity reduction in a compressor and improve the efficiency of the compressor, and thus, the requirement of long-time operation of the screw refrigerator of an efficient industrial and commercial refrigerating unit is effectively met.
In addition, the preparation method provided by the invention is simple, mild in condition, easy to control, low in production cost, easy to carry out industrial large-scale production and wide in application prospect.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a complex ester type high-viscosity refrigerator oil composition which is prepared from the following raw materials:
100 parts by weight of trimethylolpropane adipate;
0.1 to 1 part by weight of an acid scavenger;
0.1 to 1 weight part of antioxidant;
1-5 parts of antiwear agent;
0.01 to 0.1 parts by weight of an anticorrosive agent;
0.001 to 0.01 part by weight of an antifoaming agent.
In the invention, the complex ester type high-viscosity refrigerator oil composition is prepared from raw materials including trimethylolpropane adipic acid complex ester, an acid catcher, an antioxidant, an antiwear agent, an anticorrosive agent and an antifoaming agent, and is preferably prepared from the trimethylolpropane adipic acid complex ester, the acid catcher, the antioxidant, the antiwear agent, the anticorrosive agent and the antifoaming agent.
In the present invention, the viscosity index of the trimethylolpropane adipic acid complex ester is preferably not less than 145; on this basis, can reduce lubricated viscosity reduction in the compressor, promote compressor efficiency. The source of the trimethylolpropane adipate is not particularly limited in the present invention, and commercially available products or self-prepared products known to those skilled in the art may be used. In the present invention, the complex ester type high viscosity refrigerator oil composition includes 100 parts by weight of trimethylolpropane adipate complex ester.
In the present invention, the acid scavenger is preferably t-butyl glycidyl ester and/or octyl glycidyl ether, and more preferably octyl glycidyl ether. The source of the acid scavenger is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used. In the present invention, the complex ester type high viscosity refrigerator oil composition comprises 0.1 to 1 part by weight of the acid scavenger, more preferably 0.5 part by weight.
In the present invention, the antioxidant is preferably selected from one or more of naphthylamine antioxidant, arylamine antioxidant and phenol antioxidant; wherein, the naphthylamine antioxidant is preferably N-phenyl-a-naphthylamine and derivatives thereof; the arylamine antioxidant is preferably diisooctyl diphenylamine and/or octyl butyl diphenylamine, and more preferably diisooctyl diphenylamine; the phenolic antioxidant is preferably a T501 antioxidant. In a preferred embodiment of the present invention, the antioxidant is a mixture of 1: 1 diisooctyldiphenylamine and T501 antioxidant; in another preferred embodiment of the present invention, the antioxidant is a mixture of 1: 1 diisooctyldiphenylamine and N-phenyl-a-naphthylamine; in another preferred embodiment of the present invention, the antioxidant is a mixture of 1: 1 diisooctyldiphenylamine and octyl N-phenyl-a-naphthylamine. The source of the antioxidant is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used. In the present invention, the complex ester type high viscosity refrigerator oil composition comprises 0.1 to 1 part by weight of an antioxidant, more preferably 0.2 part by weight.
In the present invention, the antiwear agent is preferably selected from tricresyl phosphate and/or triphenyl thiophosphate, more preferably tricresyl phosphate or triphenyl thiophosphate. The source of the antiwear agent is not particularly limited in the present invention, and commercially available products well known to those skilled in the art may be used. In the present invention, the complex ester type high viscosity refrigerator oil composition includes 1 to 5 parts by weight of an antiwear agent, more preferably 1 to 2 parts by weight.
In the invention, the corrosion inhibitor is preferably benzotriazole and derivatives thereof; either a commercially available corrosion inhibitor, L39, T706, known to those skilled in the art may be used. In the present invention, the complex ester type high viscosity refrigerator oil composition includes 0.01 to 0.1 parts by weight of an anticorrosive agent, more preferably 0.02 to 0.05 parts by weight.
In the present invention, the anti-foaming agent is preferably selected from 10000 # fluorosilicone oil or 8000 # methylsilicone oil; commercially available products known to those skilled in the art may be used. In the invention, the complex ester type high-viscosity refrigerator oil composition comprises 0.001-0.01 weight part of antifoaming agent, and more preferably 0.002 weight part.
The complex ester type high-viscosity refrigerator oil composition provided by the invention adopts components with specific content, realizes better interaction, can be compatible with a refrigerant R22 on the basis of good performances of the product, is used for a screw machine to reduce the viscosity reduction of lubrication in a compressor and improve the efficiency of the compressor, thereby effectively meeting the requirement of long-time operation of the screw refrigerator of an efficient industrial and commercial refrigerator set, is used for refrigerating the screw refrigerator of the industrial and commercial refrigerator set adopting the R22 refrigerant, and has wide prospect due to the self environmental protection and the compatibility with the environmental protection type refrigerant
The invention also provides a preparation method of the complex ester type high-viscosity refrigerator oil composition, which comprises the following steps:
mixing trimethylolpropane adipic acid complex ester, an acid catcher, an antioxidant, an antiwear agent, an anticorrosive agent and an antifoaming agent to obtain the complex ester type high-viscosity refrigerator oil composition.
In the invention, the trimethylolpropane adipic acid complex ester, the acid catching agent, the antioxidant, the antiwear agent, the anticorrosive agent and the antifoaming agent are the same as those in the technical scheme, and are not described again.
In the present invention, the mixing is preferably performed by stirring; the stirring temperature is preferably 85-105 ℃, and more preferably 95 ℃; the rotating speed of the stirring is preferably 220 r/min-300 r/min, and more preferably 230 r/min; the stirring time is preferably 90 to 120min, and more preferably 90 min.
The preparation method provided by the invention is simple, mild in condition, easy to control, low in production cost, easy to carry out industrial large-scale production and wide in application prospect.
The invention provides a complex ester type high-viscosity refrigerator oil composition which is prepared from the following raw materials: 100 parts by weight of trimethylolpropane adipate; 0.1 to 1 part by weight of an acid scavenger; 0.1 to 1 weight part of antioxidant; 1-5 parts of antiwear agent; 0.01 to 0.1 weight portion of corrosion inhibitor; 0.001 to 0.01 part by weight of an antifoaming agent. Compared with the prior art, the complex ester type high-viscosity refrigerator oil composition provided by the invention adopts components with specific contents, realizes better interaction, can be compatible with a refrigerant R22 on the basis of good performances of the product, is used for a screw machine to reduce the lubricating viscosity reduction in a compressor and improve the efficiency of the compressor, and thus, the requirement of long-time operation of the screw refrigerator of an efficient industrial and commercial refrigerating unit is effectively met.
In addition, the preparation method provided by the invention is simple, mild in condition, easy to control, low in production cost, easy to carry out industrial large-scale production and wide in application prospect.
To further illustrate the present invention, the following examples are provided for illustration. The raw materials used in the following examples of the present invention are all commercially available products; wherein the viscosity index of the trimethylolpropane adipic acid complex ester is not less than 145, and the acid trapping agent is octyl glycidyl ether.
Example 1
The method comprises the steps of taking trimethylolpropane adipic acid complex ester as base oil, adding 0.5 wt% of acid catcher, 0.1 wt% of diisooctyl diphenylamine and 0.1 wt% of T501 as antioxidant, 2.0 wt% of triphenyl thiophosphate, 0.05 wt% of L39 anticorrosion agent and 20ppm of 8000 methyl silicone oil antifoaming agent, stirring for 90min at 95 +/-3 ℃ and 230r/min, and uniformly mixing to obtain the complex ester type high-viscosity refrigerator oil composition.
Example 2
The method comprises the steps of taking trimethylolpropane adipic acid complex ester as base oil, adding 0.5 wt% of acid catcher, 0.1 wt% of diisooctyl diphenylamine and 0.1 wt% of N-phenyl-a-naphthylamine as antioxidants, 2.0 wt% of tricresyl phosphate, 0.05 wt% of T706 corrosion inhibitor and 20ppm of No. 10000 fluorosilicone oil anti-foaming agent, stirring for 90min at the temperature of 95 +/-3 ℃ and 230r/min, and uniformly mixing to obtain the complex ester type high-viscosity refrigerating machine oil composition.
Example 3
Trimethylolpropane adipic acid complex ester is adopted as base oil, 0.5 wt% of acid catcher, 0.1 wt% of diisooctyl diphenylamine and 0.1 wt% of octyl N-phenyl-a-naphthylamine are added as antioxidants, 1.0 wt% of triphenyl thiophosphate, 0.02 wt% of T706 corrosion inhibitor and 20ppm of 8000 methyl silicone oil antifoaming agent are stirred for 90min at the temperature of 95 +/-3 ℃ and 230r/min and are uniformly mixed, and the complex ester type high-viscosity refrigerating machine oil composition is obtained.
The complex ester type high-viscosity refrigerator oil compositions provided in examples 1 to 3 of the present invention were tested for various properties, and the results are shown in table 1.
TABLE 1 data of various properties of the complex ester type high viscosity refrigerator oil compositions provided in examples 1 to 3
As can be seen from Table 1, the complex ester type high viscosity refrigerator oil composition provided by the invention has good various properties, is mutually soluble with the refrigerant R22, and is used for a screw machine to reduce the viscosity reduction of lubrication in a compressor and improve the efficiency of the compressor.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A complex ester type high-viscosity refrigerator oil composition is prepared from the following raw materials:
100 parts by weight of trimethylolpropane adipate;
0.1 to 1 part by weight of an acid scavenger;
0.1 to 1 weight part of antioxidant;
1-5 parts of antiwear agent;
0.01 to 0.1 parts by weight of an anticorrosive agent;
0.001 to 0.01 part by weight of an antifoaming agent.
2. The complex ester type high viscosity refrigerator oil composition according to claim 1, wherein the viscosity index of the trimethylolpropane adipate is not less than 145.
3. The complex ester type high viscosity refrigerator oil composition according to claim 1, wherein the acid scavenger is t-butyl glycidyl ester and/or octyl glycidyl ether.
4. The complex ester type high viscosity refrigerator oil composition according to claim 1, wherein the antioxidant is one or more selected from the group consisting of naphthylamine antioxidant, aromatic amine antioxidant and phenolic antioxidant.
5. The complex ester type high viscosity refrigerator oil composition according to claim 4, wherein the naphthylamine antioxidant is N-phenyl-a-naphthylamine and derivatives thereof;
the arylamine antioxidant is diisooctyl diphenylamine and/or octyl butyl diphenylamine;
the phenolic antioxidant is T501 antioxidant.
6. The complex ester type high viscosity refrigerator oil composition according to claim 1, wherein the antiwear agent is selected from tricresyl phosphate and/or triphenyl thiophosphate.
7. The complex ester type high viscosity refrigerator oil composition according to claim 1, wherein the corrosion inhibitor is benzotriazole and derivatives thereof.
8. The complex ester type high viscosity refrigerator oil composition according to claim 1, wherein the anti-foaming agent is selected from 10000 # fluorosilicone oil or 8000 # methylsilicone oil.
9. A method for preparing the complex ester type high viscosity refrigerator oil composition according to any one of claims 1 to 8, comprising the steps of:
mixing trimethylolpropane adipic acid complex ester, an acid catcher, an antioxidant, an antiwear agent, an anticorrosive agent and an antifoaming agent to obtain the complex ester type high-viscosity refrigerator oil composition.
10. The method according to claim 9, wherein the mixing is carried out by stirring; the stirring temperature is 85-105 ℃, the rotating speed is 220-300 r/min, and the time is 90-120 min.
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