CN105154194A - Food-grade lubricating oil composition - Google Patents
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Abstract
The invention provides a food-grade lubricating oil composition. The food-grade lubricating oil composition comprises the following components in parts by weight: 93-96 parts of base oil, 2-3 parts of an antioxidant, 0.5-2 parts of a metal deactivator, 0.5-2 parts of an extreme pressure anti-wear agent and 0.0005-0.005 part of an anti-foaming agent, wherein the base oil is selected from one or more of poly-alpha-olefin, polybutylene, diester oil, trimethylolpropane ester and pentaerythritol ester; the antioxidant is selected from one or more of organic phenolic compounds, amine compounds and sulfur-nitrogen compounds; the metal deactivator is selected from one or more of benzotriazole, triazole and triazole derivatives; the extreme pressure anti-wear agent is selected from one or more of phosphate compounds, organosulfur compounds, composite phosphorus-nitrogen compounds and composite sulfur-phosphorus-nitrogen compounds. The food-grade lubricating oil composition has excellent high temperature coking resistance, foaming resistance, oxidation corrosion resistance and emulsifying resistance.
Description
Technical field
The present invention relates to technical field of lubricating oil, particularly relate to a kind of Food-grade lubricant composition.
Background technology
In foodstuff production, turbine, the gear and bearing etc. of mechanical means all will use the high full-bodied lubricating oil of security, and this class lubricating oil is called Food-grade lubricant.Because Food-grade lubricant is mainly used in foodstuff production, so very strict to the requirement of lubricating oil, not only to meet the lubrication of machinery, and can not contaminated food products, food safety is impacted.
Food-grade lubricant forms primarily of base oil and additive allotment.Application number be 201510021760.5 Chinese patent literature disclose a kind of Food-grade lubricant, it is made up of the raw material of following parts by weight: food-level white oil 100 ~ 140 parts, food grade silicone grease 10 ~ 14 parts, sucrose ester 6 ~ 12 parts, fatty acid propylene glycol ester 12 ~ 17 parts, treated starch 3 ~ 9 parts, titanium dioxide 1 ~ 3 part, sodium alginate 2 ~ 5 parts, 2 ~ 5 parts, sodium-chlor, butyl carboxyl methyl-phenoxide 5 ~ 9 parts and butylated hydroxytoluene 10 ~ 18 parts.
Above-mentioned Food-grade lubricant is oil based on food-level white oil, with the compatibility of other component under there is excellent water-repellancy and oxidation-resistance, nontoxic, can not pollution be produced to food, but its high temperature anticoking capability is poor.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of Food-grade lubricant composition, Food-grade lubricant composition provided by the invention has excellent high temperature anticoking capability.
The invention provides a kind of Food-grade lubricant composition, with weight parts, comprise following component:
The kilfoam of the base oil of 93 ~ 96 parts, the oxidation inhibitor of 0.4 ~ 3 part, the metal passivator of 0.04 ~ 2 part, the extreme pressure anti-wear additives of 0.2 ~ 2 part and 0.0005 ~ 0.005 part;
Described base oil be selected from food grade polyalphaolefin, polybutene, di-esters oil, trihydroxymethylpropanyl ester and pentaerythritol ester one or more;
Described oxidation inhibitor be selected from organic phenolic compound, aminated compounds and sulphur nitrogen type mixture one or more;
Described metal passivator be selected from three benzazoles, 124 Triazole and 124 Triazole derivative one or more;
Described extreme pressure anti-wear additives be selected from phosphate compounds, organosulfur compound, the compound compound of phosphorus nitrogen and the compound compound of sulphur phosphorus nitrogen one or more.
Preferably, described base oil is 12mm the kinematic viscosity of 40 DEG C
2/ s ~ 35mm
2/ s.
Preferably, described oxidation inhibitor is selected from one or more in alkylphenyl naphthyl amine, alkyl diphenylamine, alkylated phenol and 2,6-di-t-butyl-alpha, alpha-dimethyl amino-p-cresol.
Preferably, the oxidation inhibitor of 0.5 ~ 1 part is comprised.
Preferably, described metal passivator is selected from three benzazoles and/or alkylated benzenes triazole.
Preferably, the metal passivator of 0.05 ~ 0.5 part is comprised.
Preferably, described extreme pressure anti-wear additives is selected from tritolyl phosphate and/or thiophosphatephosphorothioate.
Preferably, the extreme pressure anti-wear additives of 0.2 ~ 0.5 part is comprised.
Preferably, described kilfoam is selected from silicon type kilfoam.
Preferably, described silicon type kilfoam is selected from the trade mark is one or more in No. 8000 silicone oil, No. 10000 methyl-silicone oils and No. 8000 fluorosilicon oils.
With weight parts, Food-grade lubricant composition provided by the invention comprises: the kilfoam of the base oil of 93 ~ 96 parts, the oxidation inhibitor of 0.4 ~ 3 part, the metal passivator of 0.04 ~ 2 part, the extreme pressure anti-wear additives of 0.2 ~ 2 part and 0.0005 ~ 0.005 part; Described base oil be selected from food grade polyalphaolefin, polybutene, di-esters oil, trihydroxymethylpropanyl ester and pentaerythritol ester one or more; Described oxidation inhibitor be selected from organic phenolic compound, aminated compounds and sulphur nitrogen type mixture one or more; Described metal passivator be selected from three benzazoles, 124 Triazole and 124 Triazole derivative one or more; Described extreme pressure anti-wear additives be selected from phosphate compounds, organosulfur compound, the compound compound of phosphorus nitrogen and the compound compound of sulphur phosphorus nitrogen one or more.Food-grade lubricant composition provided by the invention above-mentioned content adhoc basis oil and above-mentioned content other additive compatibility under, make it have excellence high temperature anticoking capability.In addition, this Food-grade lubricant composition also has excellent or anti-foaming, antioxidant anticorrosive and demulsification performance.Experimental result shows: the carbon left of Food-grade lubricant composition provided by the invention is 0.02 ~ 0.03%; The foam characteristic of first 24 DEG C, 93.5 DEG C and latter 24 DEG C is 0/0; No. 45 steel discs, T
3number copper sheet, LY
11duralumin sheet and MB
8number quality change of magnesium alloy plate after 250mL air/min oxidation corrosion 12h is 0mg/cm
2; Demulsification performance is 1 ~ 3min.
Embodiment
The invention provides a kind of Food-grade lubricant composition, with weight parts, comprise following component:
The kilfoam of the base oil of 93 ~ 96 parts, the oxidation inhibitor of 0.4 ~ 3 part, the metal passivator of 0.04 ~ 2 part, the extreme pressure anti-wear additives of 0.2 ~ 2 part and 0.0005 ~ 0.005 part;
Described base oil be selected from food grade polyalphaolefin, polybutene, di-esters oil, trihydroxymethylpropanyl ester and pentaerythritol ester one or more;
Described oxidation inhibitor be selected from organic phenolic compound, aminated compounds and sulphur nitrogen type mixture one or more;
Described metal passivator be selected from three benzazoles, 124 Triazole and 124 Triazole derivative one or more;
Described extreme pressure anti-wear additives be selected from phosphate compounds, organosulfur compound, the compound compound of phosphorus nitrogen and the compound compound of sulphur phosphorus nitrogen one or more.
Food-grade lubricant composition provided by the invention is nontoxic, safety, has excellent high temperature anticoking capability.In addition, this Food-grade lubricant composition has higher or anti-foaming, resistance to emulsion and resistance to metal protection.
With weight parts, Food-grade lubricant composition provided by the invention comprises the base oil of 93 ~ 96 parts, is preferably 94 ~ 95 parts.In the present invention, described base oil is selected from one or more in food grade polyalphaolefin (PAO), polybutene, di-esters oil, trihydroxymethylpropanyl ester and pentaerythritol ester.In the present invention, the kinematic viscosity of described base oil 40 DEG C is preferably 12mm
2/ s ~ 35mm
2/ s, is more preferably 15mm
2/ s ~ 30mm
2/ s.In the present invention, described base oil is selected from hydrocarbon-type oil or Esters oil, nontoxic, smell is little, is the basic components of grease material, plays a part lubrication, cooling.The source of the present invention to above-mentioned base oil does not have special restriction, adopts above-mentioned base oil well known to those skilled in the art, as adopted its commercial goods.
Food-grade lubricant composition provided by the invention comprises the oxidation inhibitor of 0.4 ~ 3 part, is preferably 0.5 ~ 1 part.In the present invention, described oxidation inhibitor be selected from organic phenolic compound, aminated compounds and sulphur nitrogen type mixture one or more, one or more preferably in alkylphenyl naphthyl amine, alkyl diphenylamine, alkylated phenol and 2,6-di-t-butyl-alpha, alpha-dimethyl amino-p-cresol.In a particular embodiment of the present invention, the oxidation inhibitor that described oxidation inhibitor is selected from di-iso-octyldiphenylamine, alkylphenyl naphthyl amine, 2,6-di-t-butyls-alpha, alpha-dimethyl amino-p-cresol, model are L01 and model are one or more in the oxidation inhibitor of L101.The source of the present invention to oxidation inhibitor does not have special restriction, adopts above-mentioned oxidation inhibitor well known to those skilled in the art, as adopted its commercial goods.In the present invention, described oxidation inhibitor is the oxidation inhibitor such as nontoxic phenols or amine, and the antioxidant of Food-grade lubricant composition can be made to strengthen.
Food-grade lubricant composition provided by the invention comprises the metal passivator of 0.04 ~ 2 part, is preferably 0.05 ~ 0.5 part.In the present invention, described metal passivator be selected from three benzazoles, 124 Triazole and 124 Triazole derivative one or more, preferably from three benzazoles and/or alkylated benzenes triazole.The source of the present invention to above-mentioned metal passivator does not have special restriction, adopts above-mentioned metal passivator well known to those skilled in the art, as adopted its commercial goods.
Food-grade lubricant composition provided by the invention comprises the extreme pressure anti-wear additives of 0.2 ~ 2 part, is preferably 0.2 ~ 0.5 part.In the present invention, described extreme pressure anti-wear additives be selected from phosphate compounds, organosulfur compound, the compound compound of phosphorus nitrogen and the compound compound of sulphur phosphorus nitrogen one or more, preferably from tritolyl phosphate and/or thiophosphatephosphorothioate.The source of the present invention to extreme pressure anti-wear additives does not have special restriction, adopts above-mentioned extreme pressure anti-wear additives well known to those skilled in the art, as adopted its commercial goods.
Food-grade lubricant composition provided by the invention comprises the kilfoam of 0.0005 ~ 0.005 part, is preferably 0.001 ~ 0.004 part.In the present invention, described kilfoam preferably from silicon type kilfoam, more preferably from the trade mark be one or more in No. 8000 silicone oil, No. 10000 methyl-silicone oils and No. 8000 fluorosilicon oils.The source of the present invention to kilfoam does not have special restriction, adopts above-mentioned kilfoam well known to those skilled in the art, as adopted its commercial goods.
In the present invention, with weight parts, described Food-grade lubricant composition comprises following component: the kilfoam of the base oil of 95 parts, the oxidation inhibitor of 3 parts, the metal passivator of 1 part, the extreme pressure anti-wear additives of 0.8 part and 0.0005 part; Described base oil be selected from food grade polyalphaolefin, polybutene, di-esters oil, trihydroxymethylpropanyl ester and pentaerythritol ester one or more;
Or described Food-grade lubricant composition comprises the kilfoam of the base oil of 96 parts, the oxidation inhibitor of 3 parts, the metal passivator of 2 parts, the extreme pressure anti-wear additives of 1.5 parts and 0.005 part; Described base oil be selected from food grade polyalphaolefin, polybutene, di-esters oil, trihydroxymethylpropanyl ester and pentaerythritol ester one or more;
Or described Food-grade lubricant composition comprises the kilfoam of the base oil of 93 parts, the oxidation inhibitor of 2.5 parts, the metal passivator of 1.5 parts, the extreme pressure anti-wear additives of 1.0 parts and 0.003 part; Described base oil be selected from food grade polyalphaolefin, polybutene, di-esters oil, trihydroxymethylpropanyl ester and pentaerythritol ester one or more.
In the present invention, the preparation method of described Food-grade lubricant composition preferably includes following steps:
The base oil of above-mentioned parts by weight, oxidation inhibitor, metal passivator, extreme pressure anti-wear additives and kilfoam are mixed, heating, obtains lubricating oil composition.
In the present invention, the kind of the kind of described base oil, oxidation inhibitor, metal passivator, extreme pressure anti-wear additives and kilfoam, source and consumption and base oil, oxidation inhibitor, metal passivator, extreme pressure anti-wear additives and kilfoam described in technique scheme, source and consumption are consistent, do not repeat them here.
The method of the present invention to described mixing does not have special restriction, adopts hybrid technology scheme well known to those skilled in the art.In the present invention, the temperature of described heating is preferably 75 DEG C ~ 85 DEG C, is more preferably 78 DEG C ~ 82 DEG C; The time of described heating is preferably 5min ~ 15min, is more preferably 8min ~ 10min.
In the present invention, no matter the composition that above-mentioned lubricating oil composition comprises is base oil or additive, all meet FDA regulation 21CFRl783570, must ensure that all compositions are all safety, nontoxic formula, also meet the hygienic requirements of state food level lubricating oil, the people such as food, breathing, medicine can be solved and use pneupress system problems of oil consumption.
The present invention adopts GB/T265-1988 " petroleum products kinematic viscosity assay method and kinetic viscosity computing method ", above-mentioned Food-grade lubricant composition is carried out respectively to the test of kinematic viscosity at 100 DEG C and 40 DEG C; The present invention adopts GB/T3536-2008 " mensuration of Flash Point for Petroleum Products and burning-point ", above-mentioned Food-grade lubricant composition is carried out to the test of flash-point; The present invention adopts GB/T510-1983 " petroleum products questionable points assay method ", above-mentioned Food-grade lubricant composition is carried out to the test of condensation point; The present invention adopts GB/T12579-1990 " lubricating oil bubble chamber assay method ", above-mentioned Food-grade lubricant composition is carried out to the test of foam characteristic; The present invention adopts GB/T7304-2014 " mensuration of petroleum products acid number ", above-mentioned Food-grade lubricant composition is carried out to the test of acid number; The present invention adopts petroleum chemical industry standard SH/T0450-1992 " synthetic oil oxidation corrosion assay method ", above-mentioned Food-grade lubricant composition is carried out to the test of oxidation corrosion, test condition is: temperature 200 DEG C, time 12h, gas flow rate 250mL air/min; The present invention adopts GB/T268-1987 " petroleum products Conradson method (converse method) ", carries out carbon residue content test to above-mentioned Food-grade lubricant composition; The present invention adopts GB/T7305 " oil and synthesis liquid resistance to emulsion pipette method ", carries out demulsification performance test to above-mentioned Food-grade lubricant composition.
Result shows, Food-grade lubricant composition provided by the invention above-mentioned content adhoc basis oil and above-mentioned content other additive compatibility under, have excellence high temperature anticoking capability.In addition, this Food-grade lubricant composition also has excellent or anti-foaming, antioxidant anticorrosive and demulsification performance.
In order to further illustrate the present invention, below in conjunction with embodiment, Food-grade lubricant composition provided by the invention being described in detail, but they can not being interpreted as limiting the scope of the present invention.
In following examples, raw material used is commercially available prod; Base oil used is 10mm the kinematic viscosity of 40 DEG C
2/ s ~ 30mm
2/ s.
Embodiment 1
Be the oxidation inhibitor of L01 by 90kg trihydroxymethylpropanyl ester, 10kgPAO, 0.3kg model, 0.1kg alkylphenyl naphthyl amine, 0.05kg tri-benzazole (T706), 0.5kg tritolyl phosphate, 10ppm model be No. 8000 silicone oil mixing, be heated to 80 DEG C, heating 10min, obtains Food-grade lubricant composition.
According to method mentioned above, the present invention carries out performance test to above-mentioned Food-grade lubricant composition, and test result is in table 1, and table 1 is the performance test results of Food-grade lubricant composition prepared by the embodiment of the present invention 1 ~ 3.
Embodiment 2
By 95kg polyalphaolefin, 5kg polybutene, 0.5kg2,6-di-t-butyl-alpha, alpha-dimethyl amino-p-cresol, 0.05kg alkylbenzene triazole, 0.5kg thiophosphatephosphorothioate and 10ppm model are the methyl-silicone oil mixing of No. 10000, be heated to 78 DEG C, heating 10min, obtains Food-grade lubricant composition.
According to method mentioned above, the present invention carries out performance test to above-mentioned Food-grade lubricant composition, and test result is in table 1.
Embodiment 3
Be the oxidation inhibitor of L101,0.04kg alkylbenzene triazole, 0.5kg tritolyl phosphate and 10ppm model by 80kg di-esters oil, 20kgPAO, 0.3kg alkylphenyl naphthyl amine, 0.2kg model be No. 8000 fluorosilicon oils mixing, be heated to 78 DEG C, heating 10min, obtains Food-grade lubricant composition.
According to method mentioned above, the present invention carries out performance test to above-mentioned Food-grade lubricant composition, and test result is in table 1.
Show by with the experimental result in following table 1: the carbon left of the Food-grade lubricant composition that the embodiment of the present invention provides is 0.02% ~ 0.03%; The foam characteristic of first 24 DEG C, 93.5 DEG C and latter 24 DEG C is 0/0; No. 45 steel discs, T
3number copper sheet, LY
11duralumin sheet and MB
8number magnesium alloy plate is through 250mL air/min oxidation corrosion, and the quality change after 12h is 0mg/cm
2; Demulsification performance is 1min ~ 3min.
The performance test results of Food-grade lubricant composition prepared by table 1 embodiment of the present invention 1 ~ 3
As seen from the above embodiment, with weight parts, Food-grade lubricant composition provided by the invention comprises: the kilfoam of the base oil of 93 ~ 96 parts, the oxidation inhibitor of 0.4 ~ 3 part, the metal passivator of 0.04 ~ 2 part, the extreme pressure anti-wear additives of 0.2 ~ 2 part and 0.0005 ~ 0.005 part; Described base oil be selected from food grade polyalphaolefin, polybutene, di-esters oil, trihydroxymethylpropanyl ester and pentaerythritol ester one or more; Described oxidation inhibitor be selected from organic phenolic compound, aminated compounds and sulphur nitrogen type mixture one or more; Described metal passivator be selected from three benzazoles, 124 Triazole and 124 Triazole derivative one or more; Described extreme pressure anti-wear additives be selected from phosphate compounds, organosulfur compound, the compound compound of phosphorus nitrogen and the compound compound of sulphur phosphorus nitrogen one or more.Food-grade lubricant composition provided by the invention above-mentioned content adhoc basis oil and above-mentioned content other additive compatibility under, make it have excellence high temperature anticoking capability.In addition, this Food-grade lubricant composition also has excellent or anti-foaming, antioxidant anticorrosive and demulsification performance.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a Food-grade lubricant composition, with weight parts, comprises following component:
The kilfoam of the base oil of 93 ~ 96 parts, the oxidation inhibitor of 0.4 ~ 3 part, the metal passivator of 0.04 ~ 2 part, the extreme pressure anti-wear additives of 0.2 ~ 2 part and 0.0005 ~ 0.005 part;
Described base oil be selected from food grade polyalphaolefin, polybutene, di-esters oil, trihydroxymethylpropanyl ester and pentaerythritol ester one or more;
Described oxidation inhibitor be selected from organic phenolic compound, aminated compounds and sulphur nitrogen type mixture one or more;
Described metal passivator be selected from three benzazoles, 124 Triazole and 124 Triazole derivative one or more;
Described extreme pressure anti-wear additives be selected from phosphate compounds, organosulfur compound, the compound compound of phosphorus nitrogen and the compound compound of sulphur phosphorus nitrogen one or more.
2. Food-grade lubricant composition according to claim 1, is characterized in that, described base oil is 12mm the kinematic viscosity of 40 DEG C
2/ s ~ 35mm
2/ s.
3. Food-grade lubricant composition according to claim 1, is characterized in that, described oxidation inhibitor be selected from alkylphenyl naphthyl amine, alkyl diphenylamine, alkylated phenol and 2,6-di-t-butyl-alpha, alpha-dimethyl amino-p-cresol one or more.
4. Food-grade lubricant composition according to claim 1, is characterized in that, comprises the oxidation inhibitor of 0.5 ~ 1 part.
5. Food-grade lubricant composition according to claim 1, is characterized in that, described metal passivator is selected from three benzazoles and/or alkylated benzenes triazole.
6. Food-grade lubricant composition according to claim 1, is characterized in that, comprises the metal passivator of 0.05 ~ 0.5 part.
7. Food-grade lubricant composition according to claim 1, is characterized in that, described extreme pressure anti-wear additives is selected from tritolyl phosphate and/or thiophosphatephosphorothioate.
8. Food-grade lubricant composition according to claim 1, is characterized in that, comprises the extreme pressure anti-wear additives of 0.2 ~ 0.5 part.
9. Food-grade lubricant composition according to claim 1, is characterized in that, described kilfoam is selected from silicon type kilfoam.
10. Food-grade lubricant composition according to claim 9, is characterized in that, it is one or more in No. 8000 silicone oil, No. 10000 methyl-silicone oils and No. 8000 fluorosilicon oils that described silicon type kilfoam is selected from the trade mark.
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| CN106479647A (en) * | 2016-10-17 | 2017-03-08 | 中国石油化工股份有限公司 | Food-grade lubricant compositionss and preparation method thereof |
| CN106753703A (en) * | 2016-11-11 | 2017-05-31 | 常熟市筑紫机械有限公司 | The preparation method of safety-type lubricating oil |
| CN106753282A (en) * | 2016-11-29 | 2017-05-31 | 大庆市加通石油化工有限公司 | A kind of industrial composite environmental-friendly oil and preparation method thereof |
| CN106947575A (en) * | 2017-03-31 | 2017-07-14 | 烟台德高石油有限公司 | Composition for food-grade gear oil and preparation method thereof and gear oil comprising said composition and preparation method thereof |
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| CN110283574A (en) * | 2019-05-31 | 2019-09-27 | 沈阳托克斯化工有限公司 | Food-grade conduction oil |
| CN110951526A (en) * | 2019-12-04 | 2020-04-03 | 德耐尔节能科技（上海）股份有限公司 | Food-grade lubricating oil applied to compressor |
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| CN106479647A (en) * | 2016-10-17 | 2017-03-08 | 中国石油化工股份有限公司 | Food-grade lubricant compositionss and preparation method thereof |
| CN106479647B (en) * | 2016-10-17 | 2019-11-26 | 中国石油化工股份有限公司 | Food-grade lubricant composition and preparation method thereof |
| CN106753703A (en) * | 2016-11-11 | 2017-05-31 | 常熟市筑紫机械有限公司 | The preparation method of safety-type lubricating oil |
| CN106753282A (en) * | 2016-11-29 | 2017-05-31 | 大庆市加通石油化工有限公司 | A kind of industrial composite environmental-friendly oil and preparation method thereof |
| CN108239568A (en) * | 2016-12-26 | 2018-07-03 | 克鲁勃润滑产品（上海）有限公司 | Meet chain lubricating oil of " lubricant accidentally contacted with food " hygienic requirements and preparation method thereof |
| CN108239567A (en) * | 2016-12-26 | 2018-07-03 | 克鲁勃润滑产品（上海）有限公司 | Meet gear-box lubricating oil of " lubricant accidentally contacted with food " hygienic requirements and preparation method thereof |
| CN106947575A (en) * | 2017-03-31 | 2017-07-14 | 烟台德高石油有限公司 | Composition for food-grade gear oil and preparation method thereof and gear oil comprising said composition and preparation method thereof |
| CN106947574A (en) * | 2017-03-31 | 2017-07-14 | 烟台德高石油有限公司 | Composition for food-grade hydraulic oil and preparation method thereof and hydraulic oil comprising said composition and preparation method thereof |
| CN110283574A (en) * | 2019-05-31 | 2019-09-27 | 沈阳托克斯化工有限公司 | Food-grade conduction oil |
| CN110951526A (en) * | 2019-12-04 | 2020-04-03 | 德耐尔节能科技（上海）股份有限公司 | Food-grade lubricating oil applied to compressor |
| CN111575090A (en) * | 2020-05-15 | 2020-08-25 | 中国石油化工股份有限公司 | Air compressor oil composition and application thereof |
| CN114989878A (en) * | 2022-04-28 | 2022-09-02 | 中国石油化工股份有限公司 | Gear lubricating oil composition and preparation method thereof |
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