CN104263481A - Air compressor oil and preparation method thereof - Google Patents
Air compressor oil and preparation method thereof Download PDFInfo
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- CN104263481A CN104263481A CN201410567329.6A CN201410567329A CN104263481A CN 104263481 A CN104263481 A CN 104263481A CN 201410567329 A CN201410567329 A CN 201410567329A CN 104263481 A CN104263481 A CN 104263481A
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Abstract
The invention provides air compressor oil which comprises the following components in parts by weight: 75-94 parts of synthetic hydrocarbon base oil, 5-20 parts of synthetic ester base oil and 1-5 parts of functional additive, wherein the functional additive comprises a purification dispersant, an antiwear agent, a metal deactivator, an antirust agent, an antioxidant, a pour point depressant, a demulsifying agent and an anti-foaming agent. The invention provides a preparation method of the air compressor oil. The preparation method comprises the step of mixing the synthetic hydrocarbon base oil, the synthetic ester base oil and the functional additive at the temperature of 60-80DEG C to obtain the air compressor oil. According to the air compressor oil provided by the invention, the synthetic oil is used as the base oil and the compound type functional additive is added, so that the air compressor oil provided by the invention has low oil sludge property. In addition, the air compressor oil provided by the invention also has the advantages of better thermal oxidation stability, low-temperature fluidity and higher viscosity index, and the use requirement of an air compressor is met.
Description
Technical field
The present invention relates to air compressor technical field, particularly relate to a kind of air compressor oil and preparation method thereof.
Background technology
Air compressor is a kind of universal machine being supplied to power by pressurized air, uses more air compressor to mainly contain screw air compressor, piston type air compressor and centrifugal air compressor.Air compressor is applied to the fields such as mine, chemical industry, machinery, food widely.Air compressor oil is mainly used in the lubrication of air compressor, and some air compressor oils can also play cooling, sealing, antirust and rot-resistant effect simultaneously.Along with the development of air compressor, air compressor oil being had higher requirement, as needed air compressor oil, there is the longer oil draining period.
Application number be 201210561736.7 Chinese patent disclose a kind of air compressor oil, comprise: the phosphorous acid ester of 20 parts ~ 30 parts, the fatty sulfide isobutene of 16 parts ~ 20 parts, the borate of 10 parts ~ 16 parts, the dialkyl napthalene sulfonic acids metal-salt of 8 parts ~ 10 parts, the organic silicon modified by polyether of 8 parts ~ 12 parts, the tributyl phosphate of 16 parts ~ 22 parts, the synthesizing ester oil of 40 parts ~ 58 parts.This air compressor oil that prior art provides, has and reduces the advantages such as environmental pollution, anti-high loading, high temperature, high pressure, cost are low.But, this air compressor oil is in use easily oxidized products such as generating aldehyde, ketone, ester, greasy filth can be formed after these oxidation productss and the substance mixture such as water, impurity, the existence of greasy filth is by the oil circuit of blocking air compressor, and carbon distribution is formed on each parts of air compressor, cause Oil life short and cause air compressor to break down.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of air compressor oil and preparation method thereof, the greasy filth that air compressor oil provided by the invention in use produces is less, has low greasy filth.
The invention provides a kind of air compressor oil, with parts by weight, comprising:
The synthin base oil of 75 parts ~ 94 parts;
The synthesizing ester base oil of 5 parts ~ 20 parts;
The functional aid of 1 part ~ 5 parts; Described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.
Preferably, described synthin base oil comprises one or more in poly-alpha olefins base oil, ethylene alpha-olefin copolymeric base oil, hydrogenated base oil and Sweet natural gas synthetic base oil.
Preferably, described synthesizing ester base oil comprises one or more of bis pentaervthritol ester, neopentyl glycol fatty acid ester, sebacic acid aliphatic alcohol ester, nonane diacid aliphatic alcohol ester, cithrol, adipic acid aliphatic alcohol ester, dimerization olein fatty alcohol, decanoin fatty alcohol, olein fatty alcohol, stearate fatty alcohol, phthalic acid aliphatic alcohol ester, terephthalic acid aliphatic alcohol ester, polymethacrylate, trihydroxymethylpropanyl ester compounds, pentaerythritol ester compounds, hexylene glycol ester compound and glycerol fatty ester.
Preferably, described detergent-dispersant additive comprises one or more in sulfonate, alkyl phenate, thio-phosphonates, alkylsalicylate, succimide and succinate compounds.
Preferably, described anti-wear agent comprises containing one or more in S antiwear additive and phosphorous anti-wear agent.
Preferably, described metal passivator comprises one or more in 124 Triazole derivative and thiadiazoles derivative.
Preferably, described oxidation inhibitor comprises one or more in amine antioxidants and phenolic antioxidant.
Preferably, described pour point depressant comprises alkylnaphthalene class pour point depressant, polyester pour point depressant or polyolefins pour point depressant.
Preferably, described non-emulsifying agent comprises non-ionic type non-emulsifying agent.
The invention provides a kind of preparation method of air compressor oil, comprising:
Synthin base oil, synthesizing ester base oil and functional aid are mixed, obtain air compressor oil, the temperature of described mixing is 60 DEG C ~ 80 DEG C; Described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.
The invention provides a kind of air compressor oil, with parts by weight, comprising: the synthin base oil of 75 parts ~ 94 parts; The synthesizing ester base oil of 5 parts ~ 20 parts; The functional aid of 1 part ~ 5 parts, described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.Air compressor oil provided by the invention is oil based on synthetic oil, and add compound functional agent, makes air compressor oil provided by the invention have low greasy filth.The oil circuit blocking that air compressor oil provided by the invention in use can avoid greasy filth to cause, the problem that carbon distribution increases, Oil life is short, ensure the safe operation of air compressor.Experimental result shows, the greasy filth weight percent < 0.01% in air compressor oil provided by the invention.
In addition, air compressor oil provided by the invention also has good thermal oxidation stability, low-temperature fluidity, and viscosity index is higher, meets the service requirements of air compressor.Experimental result shows, the representative data of air compressor oil provided by the invention is the viscosity of 40 DEG C is 32mm
2/ s ~ 68mm
2/ s; Viscosity index is 130 ~ 143; Pour point is-54 DEG C ~-39 DEG C; After oxidation corrosion, the representative data of air compressor oil provided by the invention is that the kinematic viscosity of 40 DEG C is changed to 4% ~ 8%.
The invention provides a kind of preparation method of air compressor oil, comprising: synthin base oil, synthesizing ester base oil and functional aid are mixed, obtain air compressor oil, the temperature of described mixing is 60 DEG C ~ 80 DEG C; Described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.The air compressor oil that method provided by the invention prepares has low greasy filth.In addition, the air compressor oil that method provided by the invention prepares also has good thermal oxidation stability, low-temperature fluidity, and viscosity index is higher, meets the service requirements of air compressor.
Embodiment
Be clearly and completely described the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of air compressor oil, with parts by weight, comprising:
The synthin base oil of 75 parts ~ 94 parts;
The synthesizing ester base oil of 5 parts ~ 20 parts;
The functional aid of 1 part ~ 5 parts; Described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.
Air compressor oil provided by the invention is oil based on synthetic oil, and add compound functional agent, makes air compressor oil provided by the invention have low greasy filth.The oil circuit blocking that air compressor oil provided by the invention in use can avoid greasy filth to cause, the problem that carbon distribution increases, Oil life is short, ensure the safe operation of air compressor.In addition, air compressor oil provided by the invention also has good thermal oxidation stability, low-temperature fluidity, and viscosity index is higher, meets the service requirements of air compressor.
Air compressor oil provided by the invention comprises the synthin base oil of 75 weight part ~ 94 weight parts, is preferably 80 weight part ~ 90 weight parts, is more preferably 84 weight part ~ 88 weight parts.In the present invention, described synthin base oil is preferably one or more in poly-alpha olefins base oil, ethylene alpha-olefin copolymeric base oil, hydrogenated base oil and Sweet natural gas synthetic base oil, be more preferably one or more in poly-alpha olefins base oil, ethylene alpha-olefin copolymeric base oil and hydrogenated base oil, most preferably be one or both in poly-alpha olefins base oil and ethylene alpha-olefin copolymeric base oil.
In the present invention, the viscosity grade of described synthin base oil is preferably 2 ~ 50, is more preferably 3 ~ 40, most preferably is 4 ~ 20.In the present invention, the viscosity grade of described poly-alpha olefins base oil is preferably 2 ~ 40, is more preferably 3 ~ 30, most preferably is 4 ~ 20.In the present invention, described ethylene alpha-olefin copolymeric base oil viscosity rank is preferably 2 ~ 50, is more preferably 3 ~ 40, most preferably is 4 ~ 20.In the present invention, the viscosity grade of described hydrogenated base oil is preferably 2 ~ 30, is more preferably 4 ~ 10.In the present invention, the viscosity grade of described Sweet natural gas synthetic base oil is preferably 2 ~ 30, is more preferably 4 ~ 20.
The source of the present invention to described synthin base oil does not have special restriction, adopts the synthin base oil of mentioned kind well known to those skilled in the art, can be bought obtain by market.In an embodiment of the present invention, the base oil of No. 10 hydrogenated base oils that the PAO 8 type base oil that the PAO 8 type base oil that described synthin base oil can provide for Exxon Mobil Corporation PAO 6 type base oil, Exxon Mobil Corporation provide, Ineos company provide, the two imperial base oil of Korea S, Sinopec lubricant corporation provide or the HC-10 type that Mitsui company provides.
With the parts by weight of described synthin base oil for benchmark, air compressor oil provided by the invention comprises the synthesizing ester base oil of 5 weight part ~ 20 weight parts, is preferably 10 weight part ~ 15 weight parts.In the present invention, described synthesizing ester base oil preferably includes bis pentaervthritol ester, neopentyl glycol fatty acid ester, sebacic acid aliphatic alcohol ester, nonane diacid aliphatic alcohol ester, cithrol, adipic acid aliphatic alcohol ester, dimerization olein fatty alcohol, decanoin fatty alcohol, olein fatty alcohol, stearate fatty alcohol, phthalic acid aliphatic alcohol ester, terephthalic acid aliphatic alcohol ester, polymethacrylate, trihydroxymethylpropanyl ester compounds, pentaerythritol ester compounds, one or more of hexylene glycol ester compound and glycerol fatty ester, be more preferably trimethylolpropane fatty acid ester, pentaerythritol fatty ester, bis pentaervthritol ester, cithrol, sebacic acid aliphatic alcohol ester, phthalic acid aliphatic alcohol ester, one or more of polymethacrylate and glycerol fatty ester, most preferably be sebacic acid aliphatic alcohol ester, one or more in phthalic acid aliphatic alcohol ester and trimethylolpropane fatty acid ester.
In the present invention, described synthin base oil and synthesizing ester base oil can make air compressor oil provided by the invention have good viscosity index and low-temperature fluidity, are conducive to the air compressor oil in use formation of oil film and maintenance.
The source of the present invention to described synthesizing ester base oil does not have special restriction, adopt the synthesizing ester base oil of mentioned kind well known to those skilled in the art, can be bought by market and obtain, also can prepare according to preparation method well known to those skilled in the art.In the present invention, the preparation method of described synthesizing ester base oil is preferably:
Under the effect of tosic acid, organic acid and alcohol are carried out esterification, obtains synthesizing ester base oil.
In the present invention, the temperature of described esterification is preferably 130 DEG C ~ 190 DEG C, is more preferably 140 DEG C ~ 180 DEG C, most preferably is 150 DEG C ~ 170 DEG C.In the present invention, the time of described esterification is preferably 3 hours ~ 5 hours, is more preferably 3.5 hours ~ 4.5 hours.
The kind of the present invention to described organic acid and alcohol does not have special restriction, and described organic acid and alcohol can synthesize synthesizing ester base oil described in technique scheme by esterification.In the present invention, described organic acid is preferably saturated fatty acid, sebacic acid, nonane diacid, adipic acid, phthalic acid, terephthalic acid or dimerization oleic acid.In the present invention, described saturated fatty acid is preferably enanthic acid, sad, n-nonanoic acid, capric acid, butyric acid, valeric acid or caproic acid.In the present invention, described alcohol is preferably 2-Ethylhexyl Alcohol, isooctyl alcohol, isononyl alcohol, isodecyl alcohol, different tridecanol, tetramethylolmethane, dipentaerythritol, neopentyl glycol, TriMethylolPropane(TMP) or polyoxyethylene glycol.The source of the present invention to described organic acid and alcohol does not have special restriction, can be bought obtain by market.
After described esterification completes, the esterification reaction product obtained preferably is carried out reduction vaporization by the present invention, obtains thick ester;
Described thick ester is carried out successively cool, alkali cleaning, washing, drying and filter, obtain synthesizing ester base oil.
The present invention to described reduction vaporization, cooling, alkali cleaning, washing, drying and filter method there is no special restriction, adopt reduction vaporization well known to those skilled in the art, cooling, alkali cleaning, washing, drying and filtration technical scheme.In the present invention, the temperature of described cooling is preferably 50 DEG C ~ 70 DEG C, is more preferably 55 DEG C ~ 65 DEG C, most preferably is 60 DEG C.In the present invention, the method for described drying is preferably vacuum-drying.
With the parts by weight of described synthin base oil for benchmark, air compressor oil provided by the invention comprises the functional aid of 1 weight part ~ 5 weight part, and described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam; Be preferably 2 weight part ~ 4 weight parts, be more preferably 3 weight parts.The present invention does not have special restriction to described detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam consumption, and the total mass of described detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam meets the parts by weight of above-mentioned functions auxiliary agent.
In the present invention, with the parts by weight of described synthin base oil for benchmark, the parts by weight of described detergent-dispersant additive are preferably 0.2 part ~ 0.7 part, are more preferably 0.3 part ~ 0.6 part, most preferably are 0.4 part ~ 0.5 part.In the present invention, described detergent-dispersant additive is preferably one or more in sulfonate, alkyl phenate, thio-phosphonates, alkylsalicylate, succimide and succinate compounds, is more preferably one or more in sulfonate, thio-phosphonates and succimide.The source of the present invention to described detergent-dispersant additive does not have special restriction, adopts the quiet dispersion agent of mentioned kind well known to those skilled in the art, can be bought obtain by market.In an embodiment of the present invention, the T115B type dispersion agent that the LZL156 type dispersion agent that described quiet dispersion agent can provide for road Bo Runlanlian company T109 type detergent-dispersant additive, Lu Borun Lan Lian company provide, Liaoning Tianhe Fine Chemical Co., Ltd. provide or the T164A type dispersion agent that Liaoning Tianhe Fine Chemical Co., Ltd. provides.
In the present invention, with the parts by weight of described synthin base oil for benchmark, the parts by weight of described anti-wear agent are preferably 0.5 part ~ 1.5 parts, are more preferably 0.8 part ~ 1.2 parts, most preferably are 1 part.In the present invention, described anti-wear agent is preferably containing one or more in S antiwear additive and phosphorous anti-wear agent, is more preferably containing one or more in S antiwear additive.The source of the present invention to described anti-wear agent does not have special restriction, adopts the anti-wear agent of mentioned kind well known to those skilled in the art, can be bought obtain by market.In an embodiment of the present invention, the POUPC4002 type anti-wear agent that the T323 type anti-wear agent that the T362 type anti-wear agent that the T306 type anti-wear agent that described anti-wear agent can provide for BASF (BASF) company Irgalube232 type anti-wear agent, Zibo Hui Hua company provide, Qingdao profit jewel oil additive company limited provide, Wangcheng, Changsha petrochemical corporation (complex) provide, associating Beijing, Pacific Ocean petrochemical complex company limited provide or the Vanlube727 type anti-wear agent that Vanderbilt company provides.
In the present invention, with the parts by weight of described synthin base oil for benchmark, the parts by weight of described metal passivator are preferably 0.03 part ~ 0.07 part, are more preferably 0.04 part ~ 0.06 part, most preferably are 0.05 part.In the present invention, described metal passivator is preferably one or more in 124 Triazole derivative and thiadiazoles derivative, is more preferably one or more in thiadiazoles derivative.The source of the present invention to described metal passivator does not have special restriction, adopts the metal passivator of mentioned kind well known to those skilled in the art, can be bought obtain by market.In an embodiment of the present invention, the T561 shaped metal passivator that provides of the described metal passivator T551 shaped metal passivator that can provide for road Bo Runlanlian company or Wangcheng, Changsha petrochemical corporation (complex).
In the present invention, with the parts by weight of described synthin base oil for benchmark, the parts by weight of described rust-preventive agent are preferably 0.05 part ~ 0.1 part, are more preferably 0.06 part ~ 0.08 part.In the present invention, described rust-preventive agent is preferably one or more in organic carboxyl acid compounds rust-preventive agent, Sulfonates rust-preventive agent and heterocycles rust-preventive agent, is more preferably one or more in organic carboxyl acid compounds rust-preventive agent and heterocycles rust-preventive agent.The source of the present invention to described rust-preventive agent does not have special restriction, adopts the rust-preventive agent of mentioned kind well known to those skilled in the art, can be bought obtain by market.In an embodiment of the present invention, the POUPC3001 type rust-preventive agent that provides of the described rust-preventive agent T746 type rust-preventive agent that can provide for Guanghui Chemistry Co., Ltd., Dalian or associating Beijing, Pacific Ocean petrochemical complex company limited.
In the present invention, with the parts by weight of described synthin base oil for benchmark, the parts by weight of described oxidation inhibitor are preferably 0.3 part ~ 0.7 part, are more preferably 0.4 part ~ 0.6 part, most preferably are 0.5 part.In the present invention, described oxidation inhibitor is preferably one or more in amine antioxidants and phenolic antioxidant, is more preferably one or more in phenolic antioxidant.The source of the present invention to described oxidation inhibitor does not have special restriction, adopts the oxidation inhibitor of mentioned kind well known to those skilled in the art, can be bought obtain by market.In an embodiment of the present invention, the Naulube531 type oxidation inhibitor that the T508 type oxidation inhibitor that the T501 type oxidation inhibitor that described oxidation inhibitor can provide for Tianjin Kemai Chemical Co., Ltd. T531 type oxidation inhibitor, Shanghai Huayuan Stocks Trading Co. company limited provide, Liaoning fine chemistry industry limited-liability company provide, Chemtura company provide or the Naulube438L type oxidation inhibitor that Chemtura company provides.
In the present invention, with the parts by weight of described synthin base oil for benchmark, the parts by weight of described pour point depressant are preferably 0.05 part ~ 0.15 part, are more preferably 0.08 part ~ 0.12 part, most preferably are 0.1 part.In the present invention, described pour point depressant is preferably alkylnaphthalene class pour point depressant, polyester pour point depressant or polyolefins pour point depressant, is more preferably polyester pour point depressant or polyolefins pour point depressant.The source of the present invention to described pour point depressant does not have special restriction, adopts the pour point depressant of mentioned kind well known to those skilled in the art, can be bought obtain by market.In an embodiment of the present invention, the described pour point depressant LZL803B type pour point depressant that can provide for road Bo Runlanlian company.
In the present invention, with the parts by weight of described synthin base oil for benchmark, the parts by weight of described non-emulsifying agent are preferably 0.01 part ~ 0.05 part, are more preferably 0.02 part ~ 0.04 part, most preferably are 0.03 part.In the present invention, described non-emulsifying agent is preferably non-ionic type non-emulsifying agent.The source of the present invention to described non-emulsifying agent does not have special restriction, adopts the non-emulsifying agent of mentioned kind well known to those skilled in the art, can be bought obtain by market.In an embodiment of the present invention, the described non-emulsifying agent T1001 type non-emulsifying agent that can provide for the sky, Danyang City petroleum additive factory.
In the present invention, with the parts by weight of described synthin base oil for benchmark, the parts by weight of described kilfoam are preferably 0.005 part ~ 0.015 part, are more preferably 0.008 part ~ 0.012 part, most preferably are 0.01 part.The kind of the present invention to described kilfoam does not have special restriction, and described kilfoam both can be silicon type kilfoam, can be non-silicon type antifoamer yet.In the present invention, described kilfoam is preferably compound kilfoam.The source of the present invention to described kilfoam does not have special restriction, adopts the kilfoam of mentioned kind well known to those skilled in the art, can be bought obtain by market.In an embodiment of the present invention, the described kilfoam T921 type kilfoam that can provide for Shanghai Shen Pu petrochemical complex company limited.
The invention provides a kind of preparation method of air compressor oil, comprising:
Synthin base oil, synthesizing ester base oil and functional aid are mixed, obtain air compressor oil, the temperature of described mixing is 60 DEG C ~ 80 DEG C; Described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.
The air compressor oil that method provided by the invention prepares has low greasy filth.In addition, the air compressor oil that method provided by the invention prepares also has good thermal oxidation stability, low-temperature fluidity, and viscosity index is higher, meets the service requirements of air compressor.
Synthin base oil, synthesizing ester base oil and functional aid mix by the present invention, obtain air compressor oil; Preferably functional aid is joined in synthin base oil and synthesizing ester base oil and mix, obtain air compressor oil.The present invention preferably carries out described mixing under the condition stirred.In the present invention, the temperature of described mixing is 60 DEG C ~ 80 DEG C, is preferably 65 DEG C ~ 75 DEG C, is more preferably 70 DEG C.In the present invention, the time of described mixing is preferably 1 hour ~ 2 hours, is more preferably 2.5 hours.
Before carrying out described mixing, synthin base oil and synthesizing ester base oil are preferably warming up to 100 DEG C ~ 140 DEG C and slough moisture by the present invention, are more preferably warming up to 110 DEG C ~ 130 DEG C, are most preferably warming up to 120 DEG C.
The present invention is according to the standard of GB/T 265-1988 " petroleum products kinematic viscosity assay method and kinetic viscosity computing method ", test the kinematic viscosity of air compressor oil provided by the invention 40 DEG C, test result is, the representative data of the viscosity of air compressor oil provided by the invention 40 DEG C is 32mm
2/ s ~ 68mm
2/ s.
The present invention is according to the standard of GB/T 1995-1998 " petroleum products viscosity index computing method ", test the viscosity index of air compressor oil provided by the invention, test result is, the representative data of the viscosity index of air compressor oil provided by the invention is 130 ~ 143.
The present invention, according to the standard of GB/T 3535-2006 " petroleum products pour point assay method ", tests the pour point of air compressor oil provided by the invention, and test result is, the representative data of the pour point of air compressor oil provided by the invention is-54 DEG C ~-39 DEG C.
The present invention is according to the standard of SH/T 0450-1992 " synthetic oil oxidation corrosion assay method ", test the oxidation corrosion of air compressor oil provided by the invention, test condition is 250mL air, 200 DEG C, 12 hours, test result is, after oxidation corrosion, the representative data of the kinematic viscosity change of air compressor oil provided by the invention 40 DEG C is 4% ~ 8%.
According to greasy filth measuring method in the standard of SH/T 0565-2008 " greasy filth of inhibiting mineral oil and corrosion tendency assay method ", test the greasy filth weight percent in air compressor oil provided by the invention, test result is, the representative data of the greasy filth weight percent in air compressor oil provided by the invention is < 0.01%.
The invention provides a kind of air compressor oil, with parts by weight, comprising: the synthin base oil of 75 parts ~ 94 parts; The synthesizing ester base oil of 5 parts ~ 20 parts; The functional aid of 1 part ~ 5 parts, described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.Air compressor oil provided by the invention is oil based on synthetic oil, and add compound functional agent, makes air compressor oil provided by the invention have low greasy filth.The oil circuit blocking that air compressor oil provided by the invention in use can avoid greasy filth to cause, the problem that carbon distribution increases, Oil life is short, ensure the safe operation of air compressor.In addition, air compressor oil provided by the invention also has good thermal oxidation stability, low-temperature fluidity, and viscosity index is higher, meets the service requirements of air compressor.
The invention provides a kind of preparation method of air compressor oil, comprising: synthin base oil, synthesizing ester base oil and functional aid are mixed, obtain air compressor oil, the temperature of described mixing is 60 DEG C ~ 80 DEG C; Described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.The air compressor oil that method provided by the invention prepares has low greasy filth.In addition, the air compressor oil that method provided by the invention prepares also has good thermal oxidation stability, low-temperature fluidity, and viscosity index is higher, meets the service requirements of air compressor.
Embodiment 1
The base oil of PAO 8 type that the PAO 6 type base oil Exxon Mobil Corporation of 64.87g provided, the Exxon Mobil Corporation of 29g provide, the sebacic acid aliphatic alcohol ester of 5g are heated to 120 DEG C and slough moisture, obtain mixture;
Described mixture is cooled to 60 DEG C, the T109 type detergent-dispersant additive that the Lu Borun Lan Lian company adding 0.2g in described mixture provides, BASF (BASF) company of 0.25g provide Irgalube232 type anti-wear agent, the T306 type anti-wear agent that Zibo Hui Hua company of 0.25g provides, the T551 shaped metal passivator that the Lu Borun Lan Lian company of 0.05g provides, the T746 type rust-preventive agent that Guanghui Chemistry Co., Ltd., Dalian of 0.05g provides, the T531 type oxidation inhibitor that Tianjin Kemai Chemical Co., Ltd. of 0.15g provides, the T501 type oxidation inhibitor that the Shanghai Huayuan Stocks Trading Co. company limited of 0.15g provides, the T921 type kilfoam that the Shanghai Shen Pu petrochemical complex company limited of the T1001 type non-emulsifying agent that the sky, the Danyang City petroleum additive factory of 0.02g provides and 0.01g provides, stir 1 hour, mix, obtain air compressor oil.
According to the method described in technique scheme, test the kinematic viscosity of the air compressor oil 40 DEG C that the embodiment of the present invention 1 prepares, viscosity index, pour point, oxidation corrosion and greasy filth weight percent, test result is as shown in table 1, and table 1 is the performance test data of the air compressor oil that the embodiment of the present invention and comparative example prepare.
Embodiment 2
The phthalic acid aliphatic alcohol ester of the PAO 8 type base oil Ineos company of 52.72g provided, the two dragons of the Korea S of 30g No. 8 hydrogenated base oils, 15g is heated to 120 DEG C and sloughs moisture, obtains mixture;
Described mixture is cooled to 80 DEG C, the LZL156 type detergent-dispersant additive that the Lu Borun Lan Lian company adding 0.5g in described mixture provides, the T362 type anti-wear agent that the Qingdao profit jewel oil additive company limited of 0.5g provides, the T323 type anti-wear agent that Wangcheng, the Changsha petrochemical corporation (complex) of 0.5g provides, the T561 shaped metal passivator that Wangcheng, the Changsha petrochemical corporation (complex) of 0.05g provides, the POUPC3001 type rust-preventive agent that associating Beijing, Pacific Ocean petrochemical complex company limited of 0.1g provides, the T508 type oxidation inhibitor that Liaoning fine chemistry industry limited-liability company of 0.5g provides, the LZL803B type pour point depressant that the Lu Borun Lan Lian company of 0.1g provides, the T921 type kilfoam that the Shanghai Shen Pu petrochemical complex company limited of the T1001 type non-emulsifying agent that the sky, the Danyang City petroleum additive factory of 0.02g provides and 0.01g provides, stir 2 hours, mix, obtain air compressor oil.
According to the method described in technique scheme, test the kinematic viscosity of the air compressor oil 40 DEG C that the embodiment of the present invention 2 prepares, viscosity index, pour point, oxidation corrosion and greasy filth weight percent, test result is as shown in table 1.
Embodiment 3
The TriMethylolPropane(TMP) decylate of No. 10 hydrogenated base oils Sinopec lubricant corporation of 50g provided, HC-10 type base oil that the Mitsui company of 27.77g provides, 20g is heated to 120 DEG C and sloughs moisture, obtains mixture;
Described mixture is cooled to 70 DEG C, the T115B type detergent-dispersant additive that the Liaoning Tianhe Fine Chemical Co., Ltd. adding 0.25g in described mixture provides, the T164A type detergent-dispersant additive that Liaoning Tianhe Fine Chemical Co., Ltd. of 0.25g provides, the POUPC4002 type anti-wear agent that associating Beijing, Pacific Ocean petrochemical complex company limited of 0.75g provides, the Vanlube727 type anti-wear agent that the Vanderbilt company of 0.25g provides, the T561 shaped metal passivator that Wangcheng, the Changsha petrochemical corporation (complex) of 0.05g provides, the T746 type rust-preventive agent that Wangcheng, the Changsha petrochemical corporation (complex) of 0.05g provides, the Naulube531 type oxidation inhibitor that the Chemtura company of 0.25g provides, the Naulube438L type oxidation inhibitor that the Chemtura company of 0.25g provides, the LZL803B type pour point depressant that the Lu Borun Lan Lian company of 0.1g provides, the T921 type kilfoam that the Shanghai Shen Pu petrochemical complex company limited of the T1001 type non-emulsifying agent that the sky, the Danyang City petroleum additive factory of 0.02g provides and 0.01g provides, stir 1.5 hours, mix, obtain air compressor oil.
According to the method described in technique scheme, test the kinematic viscosity of the air compressor oil 40 DEG C that the embodiment of the present invention 3 prepares, viscosity index, pour point, oxidation corrosion and greasy filth weight percent, test result is as shown in table 1.
Comparative example 1
Load air compressor oil in the L-DAB68 that commercially available Sinopec lubricating oil company limited provides.
According to the method described in technique scheme, test the kinematic viscosity of the air compressor oil 40 DEG C that comparative example 1 of the present invention obtains, viscosity index, pour point, oxidation corrosion and greasy filth weight percent, test result is as shown in table 1.
The performance test data of the air compressor oil that table 1 embodiment of the present invention and comparative example prepare
As shown in Table 1, the air compressor oil that the embodiment of the present invention provides has low greasy filth, preferably thermal oxidation stability, low-temperature fluidity, and viscosity index is higher, meets the service requirements of air compressor.
As seen from the above embodiment, the invention provides a kind of air compressor oil, with parts by weight, comprising: the synthin base oil of 75 parts ~ 94 parts; The synthesizing ester base oil of 5 parts ~ 20 parts; The functional aid of 1 part ~ 5 parts, described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.Air compressor oil provided by the invention is oil based on synthetic oil, and add compound functional agent, makes air compressor oil provided by the invention have low greasy filth.The oil circuit blocking that air compressor oil provided by the invention in use can avoid greasy filth to cause, the problem that carbon distribution increases, Oil life is short, ensure the safe operation of air compressor.In addition, air compressor oil provided by the invention also has good thermal oxidation stability, low-temperature fluidity, and viscosity index is higher, meets the service requirements of air compressor.
The invention provides a kind of preparation method of air compressor oil, comprising: synthin base oil, synthesizing ester base oil and functional aid are mixed, obtain air compressor oil, the temperature of described mixing is 60 DEG C ~ 80 DEG C; Described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.The air compressor oil that method provided by the invention prepares has low greasy filth.In addition, the air compressor oil that method provided by the invention prepares also has good thermal oxidation stability, low-temperature fluidity, and viscosity index is higher, meets the service requirements of air compressor.
Claims (10)
1. an air compressor oil, with parts by weight, comprising:
The synthin base oil of 75 parts ~ 94 parts;
The synthesizing ester base oil of 5 parts ~ 20 parts;
The functional aid of 1 part ~ 5 parts; Described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.
2. air compressor oil according to claim 1, is characterized in that, described synthin base oil comprises one or more in poly-alpha olefins base oil, ethylene alpha-olefin copolymeric base oil, hydrogenated base oil and Sweet natural gas synthetic base oil.
3. air compressor oil according to claim 1, it is characterized in that, described synthesizing ester base oil comprises bis pentaervthritol ester, neopentyl glycol fatty acid ester, sebacic acid aliphatic alcohol ester, nonane diacid aliphatic alcohol ester, cithrol, adipic acid aliphatic alcohol ester, dimerization olein fatty alcohol, decanoin fatty alcohol, olein fatty alcohol, stearate fatty alcohol, phthalic acid aliphatic alcohol ester, terephthalic acid aliphatic alcohol ester, polymethacrylate, trihydroxymethylpropanyl ester compounds, pentaerythritol ester compounds, one or more of hexylene glycol ester compound and glycerol fatty ester.
4. air compressor oil according to claim 1, is characterized in that, described detergent-dispersant additive comprises one or more in sulfonate, alkyl phenate, thio-phosphonates, alkylsalicylate, succimide and succinate compounds.
5. air compressor oil according to claim 1, is characterized in that, described anti-wear agent comprises containing one or more in S antiwear additive and phosphorous anti-wear agent.
6. air compressor oil according to claim 1, is characterized in that, described metal passivator comprises one or more in 124 Triazole derivative and thiadiazoles derivative.
7. air compressor oil according to claim 1, is characterized in that, described oxidation inhibitor comprises one or more in amine antioxidants and phenolic antioxidant.
8. air compressor oil according to claim 1, is characterized in that, described pour point depressant comprises alkylnaphthalene class pour point depressant, polyester pour point depressant or polyolefins pour point depressant.
9. air compressor oil according to claim 1, is characterized in that, described non-emulsifying agent comprises non-ionic type non-emulsifying agent.
10. a preparation method for air compressor oil, comprising:
Synthin base oil, synthesizing ester base oil and functional aid are mixed, obtain air compressor oil, the temperature of described mixing is 60 DEG C ~ 80 DEG C; Described functional aid comprises detergent-dispersant additive, anti-wear agent, metal passivator, rust-preventive agent, oxidation inhibitor, pour point depressant, non-emulsifying agent and kilfoam.
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