CN1362501A - Non-flammable hydraulic oil - Google Patents
Non-flammable hydraulic oil Download PDFInfo
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- CN1362501A CN1362501A CN 01106031 CN01106031A CN1362501A CN 1362501 A CN1362501 A CN 1362501A CN 01106031 CN01106031 CN 01106031 CN 01106031 A CN01106031 A CN 01106031A CN 1362501 A CN1362501 A CN 1362501A
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Abstract
The present invention relates to a fire-retardant hydraulic fluid. It comprises emulsifiers of (A) and (B), extreme pressure agent (C), antirusting agent (D), vacuum distillate dewaxing oil and water in oil compound, in which the emulsifier (A) is a polyolefine type water-in-oil emulsifier made up by polymerization of Cr and C5 mono-olefine raw material, and the extrement pressure agent (C) is formed from one of borate of its ester or their mixture. Said invention features good stability, good lubricating property and extreme pressure property.
Description
The present invention relates to a kind of fire resistant hydraulic fluid, the water-in-oil type emulsion of particularly a kind of resistance to abrasion, excellent in stability is pressed oil and preparation method thereof.
Fire resistant hydraulic fluid is the water in oil emulsion carburetion of water-content about 40%, and its stability is determined by the emulsifying agent performance.Prior art adopts low molecule emulsifying agent, as " hydraulic efficiency oil outline ". the water-in-oil emulsifier of the HLB value 3～6 that Coal Industry Press .1986 mentioned in 1 month, the molecular weight of low molecule emulsifying agent Si Ben-80 commonly used is little, viscosity is low, causes emulsion stability not high so film toughness is low.The succimide that CN1157754A, CN1126752A mention, succimide as emulsifying agent have the viscosity height, molecular weight is big, forms the polymer frame shelf structure at the emulsion interface, can form stable splendid water in oil emulsion carburetion, shortcomings such as but emulsion strength is had relatively high expectations, and thermostability is relatively poor.In addition, the raw materials used employing natural substance of Si Ben-80, price is that the macromolecule emulsifier of raw material wants high with the oil.
The object of the present invention is to provide a kind of cheaply, and have long fire resistant hydraulic fluid of high extreme pressure property and stability in storage and preparation method thereof.
A kind of fire resistant hydraulic fluid of the present invention, contain by weight:
Emulsifying agent 0.5～5%
Help emulsion 0.1～2%
Rust-preventive agent 0.5～5%
Extreme pressure agent 2～10%
Defoamer 0.001～0.1%
Sanitas 0.01～1%
Water 40～60%
The pressed oil surplus.
Pressed oil in the fire resistant hydraulic fluid of the present invention is selected from and subtracts two cut pressed oils, subtracts three cut pressed oils, 150SN, 650SN, 120BS, 150BS.
Emulsifying agent in the fire resistant hydraulic fluid of the present invention is the esterification or the saponification reaction product of poly-hydrocarbon carboxylic acids or acid anhydrides and oxy-compound or alkali.The number-average molecular weight of poly-alkyl is 600～3000, is preferably 800～1200, can be the polymkeric substance of carbon four or carbon pentaene hydrocarbon.Carboxylic acid or acid anhydrides are preferably selected maleic anhydride for use from toxilic acid, maleic anhydride, fumaric acid, pentanedioic acid, hexanodioic acid in poly-hydrocarbon carboxylic acids or the acid anhydrides; Oxy-compound is from one or more oxy-compound, and its hydroxyl value is more than 1 or 1, as selecting HO-(CH
2CH
2O)
n-H is n=1-10 wherein, preferably n=2-3, or monoethanolamine, diethanolamine, trolamine, glycerine, sorbyl alcohol, tetramethylolmethane etc.; Alkali is from sodium hydroxide, potassium hydroxide, lithium hydroxide, calcium hydroxide, magnesium hydroxide, hydrated barta etc.The viscosity of emulsifying agent is 500～3000 (100 ℃ of mm
2/ s).Emulsifying agent amount ranges preferably 1～2%.The condition of above-mentioned esterification or saponification reaction can adopt common reaction conditions.
The emulsion that helps of the present invention is SP-40, SP-60, SP-65, SP-80, SP-85, M-201, fatty acid monoglyceride and two sweet esters, ethylene glycol monostearate, the glycol ether monostearate, propyleneglycoles list dodecyl ester, sodium stearate, sodium oleate, potassium stearate, potassium oleate, Yelkin TTS, phosphoric acid fat, fatty alcohol-polyoxyethylene ether (10), aliphatic acid polyethenoxy ether (15), alkylphenol polyoxyethylene (7), aliphatic amine polyoxyethylene ether (15), polyoxyethylene glycol (400), the Yatall MA acid amides, sodium laurylsulfonate, one or more mixtures of dodecyl alcohol acyl phosphoric acid ester.Help emulsion amount ranges preferably 0.3～1%.
Rust-preventive agent in the fire resistant hydraulic fluid of the present invention is petroleum sodium sulfonate, calcium mahogany sulfonate, barium mahogany sulfonate, the boric acid monoethanolamine, the boric acid diethanolamine, triethanolamine borate, the molybdic acid monoethanolamine, the molybdic acid diethanolamine, the molybdic acid trolamine, the phenylformic acid monoethanolamine, the phenylformic acid diethanolamine, the phenylformic acid trolamine, phenylformic acid amine, o-nitrophenol sodium, the o-nitrophenol dicyclohexyl amine, the o-nitrophenol stearylamine, benzotriazole, the nitro benzotriazole, 2-mercaptobenzothiazole, hexahydroaniline, monoethanolamine, diethanolamine, one or more mixtures of trolamine.Rust-preventive agent is in fire resistant hydraulic fluid weight, and content is preferably 1～3%.
The extreme pressure agent of fire resistant hydraulic fluid of the present invention is inorganic salt Sodium Tetraborate, potassium borate, sodium tetraborate, water glass, sodium phosphate, trisodium phosphate, boric acid monoethanolamine, boric acid diethanolamine, triethanolamine borate, boric acid pentaerythritol ester, boric acid sorbitol ester, and boric acid glycol ether ester, boric acid triethyleneglycol ester, boric acid glycol ester, carbon four, C 5 monoolefin polymerizable raw material become one or more mixtures of polyolefine diprotic acid borate ester.
The defoamer of fire resistant hydraulic fluid of the present invention is one or more mixtures of polyethers, methyl-silicone oil, hydroxy silicon oil, amido silicon oil, silicon-dioxide.
The sanitas of fire resistant hydraulic fluid of the present invention is Pentachlorophenol, tetra-chloro-phenol, O-SyL, 2,4 dinitrophenols, 2-methylol-2 nitro-1, one or more mixtures of 3-the third two.
The preparation method of fire resistant hydraulic fluid of the present invention, its process are with pressed oil, emulsifying agent, help emulsion, oil-soluble antirust agent, oil soluble extreme pressure agent, defoamer to mix, and water and water soluble anti-rust agent, water-soluble extreme pressure agent, sanitas mix then.Be that will mix oil phase earlier puts into the emulsification still, under the mixture strength of on-line velocity 7～30 meter per seconds, slowly add and mix water with its emulsification, emulsification times 1～60 minute.
The present invention is different from prior art, mainly is that emulsifying agent adopts the cheap intermediate raw material of refinery to make in this fire resistant hydraulic fluid, and the emulsifying agent cost is lower, and the good stability of fire resistant hydraulic fluid, can not produce lamination problem in storage and use.
1. the present invention is a main raw material with the wide material sources that produced in oil refining, the chemical process, cheap carbon four, carbon pentaene hydrocarbon, and therefore the cost of the emulsifying agent of being produced is low.
2. low, the emulsifying agent excellent property of emulsifying agent film toughness height, micellar concentration in the while fire resistant hydraulic fluid of the present invention uses more a spot of emulsifying agent can obtain the hydraulic efficiency oil that the emulsification particle diameter is little, oil is stable.
3. carbon four, C 5 monoolefin are more unmanageable hydro carbons in addition, and other treatment process such as hydration method etc. need the higher alkene of purity, and its purification and processing costs are all very high.The purity requirement of carbon four, C 5 monoolefin that is used for emulsifying agent of the present invention is not high, has saved the expense that a large amount of separation are purified.
4. the alkene of preparation emulsifying agent can be that mixture needn't separate, also needn't separate with the product behind diprotic acid or the anhydride reaction, directly also needn't separate and promptly can be used as emulsifying agent with the polyol reaction after product, emulsifying agent has saved refining sepn process in process of production like this, and productive expense reduces greatly.
5. the emulsifying agent in the fire resistant hydraulic fluid of the present invention makes its emulsifying property good with helping the emulsion synergy, does not have problems of stability in storage in storage and use.
6. the extreme pressure additive in the fire resistant hydraulic fluid of the present invention is the borate compounds of environmentally safe.
7. fire resistant hydraulic fluid of the present invention has good result of use, and the stability in storage of oil in water emulsion is good, excellent oilness, extreme pressure property.Table 1 is emulsifying agent A～J preparation method and character that the present invention uses.Table 2 is compositions of fire resistant hydraulic fluid of the present invention.Table 3 is character and results of use of fire resistant hydraulic fluid of the present invention.
Preparation and the character of table 1 emulsifying agent A～I
Annotate: kinematic viscosity (100mm
2/ s) condition determination is for to measure after four distillates are diluted to 75 weight % with subtracting.
| Emulsifying agent | A | ?B | ?C | ?D | ????E | ????F | ????G | ????H | ????I | ????J |
| The polyolefine number-average molecular weight | 600 | 3000 | ?1000 | 1200 | 800 | 950 | 1100 | 2000 | ?1500 | 700 |
| Adduction temperature ℃/time branch/catalyzer | 110/3/ chlorine | 200/15/ chlorine | 150/7/ chlorine | 180/10/ chlorine | 160/12/ chlorine | 140/5/ chlorine | 175/8/ chlorine | 190/6/ chlorine | 130/14/ chlorine | 160/14/ chlorine |
| Oxy-compound or alkali | HO- (CH 2CH 2O) 2-H | Monoethanolamine | Diethanolamine | Trolamine | Glycerine | Sorbyl alcohol | Tetramethylolmethane | Sodium hydroxide | Potassium hydroxide | Calcium hydroxide |
| Esterification or saponification temperature ℃/time branch/catalyzer | 100/2 /NaOH | 250/10/ KOH | ?120/3/ ?H 2SO 4 | 140/4/ NaOH | 160/9/ tosic acid | 180/6/ KOH | 200/7/ NaOH | 75/35 | ?85/40 | 95/45 |
| Kinematic viscosity (100mm 2/s) | 2105.6 | 1700.5 | ?2215.1 | 2463.5 | 1800 | 1900 | 2005 | 2125 | ?2384 | 1856 |
The composition of table 2 fire resistant hydraulic fluid
| Embodiment | ????1 | ????2 | ????3 | ???????4 | ??????5 | ?????6 | |
| Emulsifying agent | Numbering/content % | ??A/1.5 | ?BD(1∶1)/0.5 | ?HEJ(1∶1∶1)/0.7 | ?GI(1∶2)/1.8 | ????F/1.1 | ??C/3 |
| Pressed oil | Kind/content % | Second line of distillation pressed oil | ?650SN | ?120BS | Subtract three-way pressed oil | ????150SN | ??150SN |
| Water-content, % | ??60 | ?40 | ?50 | ?45 | ????55 | ??53 | |
| Help emulsion | Kind/content % | ??M-201/0.1 | Sodium laurylsulfonate/2 | Fatty acid monoglyceride/0.5 | Alkylphenol polyoxyethylene (7)/1.5 | Potassium stearate/1 | Yelkin TTS/0.5 |
| Rust-preventive agent | Kind | Petroleum sodium sulfonate, boric acid diethanolamine o-nitrophenol sodium | Calcium mahogany sulfonate, triethanolamine borate, benzotriazole | Boric acid monoethanolamine, molybdic acid trolamine | Phenylformic acid monoethanolamine, nitro benzotriazole | Phenylformic acid diethanolamine, 2-mercaptobenzothiazole | Barium mahogany sulfonate, phenylformic acid monoethanolamine, o-nitrophenol stearylamine, trolamine |
| Ratio/content % | ??10∶10∶1/0.5 | ?5∶10∶1/1 | ?1∶1/3 | ?10∶1/2.5 | ????8∶1/1.5 | ??1∶1∶1∶1/5 | |
| Extreme pressure agent | Kind | Sodium Tetraborate, boric acid monoethanolamine, boric acid glycol ether ester, | Potassium borate, boric acid diethanolamine | Boric acid pentaerythritol ester, boric acid sorbitol ester | Boric acid triethyleneglycol ester, potassium borate | Boric acid pentaerythritol ester, Sodium Tetraborate | Triethanolamine borate, boric acid glycol ester, |
| Ratio/content % | ??1∶1∶2/5 | ?1∶2/7 | ?2∶1/2.2 | ?1∶1/9 | ????1∶1/3 | ??1∶1/1.5 | |
| Defoamer | Kind/content % | Methyl-silicone oil/0.001 | Polyethers/0.1 | Polyethers/0.05 | Methyl-silicone oil/0.08 | Hydroxy silicon oil/0.01 | Amido silicon oil/0.05 |
| Sanitas | Kind/content % | Tetra-chloro-phenol/0.02 | Pentachlorophenol/0.6 | Pentachlorophenol/0.01 | Sodium Benzoate/1 | Sodium Nitrite/0.5 | Sodium Benzoate/0.09 |
The character and the result of use of each embodiment of table 3 fire resistant hydraulic fluid of the present invention
| Embodiment | The mother liquor outward appearance | 5% diluent outward appearance | 5% diluent pH value | Stability, day | Extreme pressure property PB value, Kg | Rust-preventing characteristic (35 ℃, one-level cast iron sheet), h | |
| Monolithic | Lamination | ||||||
| Embodiment 1 | Brown transparent | Oyster white | ????8.5 | More than 180 | ????70 | ????48 | ????8 |
| Embodiment 2 | Brown transparent | Oyster white | ????8 | More than 180 | ????70 | ????24 | ????4 |
| Embodiment 3 | Brown transparent | Oyster white | ????8.5 | More than 180 | ????70 | ????24 | ????4 |
| Embodiment 4 | Brown transparent | Oyster white | ????9 | More than 180 | ????70 | ????24 | ????4 |
| Embodiment 5 | Brown transparent | Oyster white | ????8.5 | More than 180 | ????70 | ????24 | ????4 |
| Embodiment 6 | Brown transparent | Oyster white | ????9 | More than 180 | ????70 | ????24 | ????4 |
Annotate: component content among the embodiment or ratio are all by weight.
Claims (13)
1, a kind of fire resistant hydraulic fluid, contain by weight:
Emulsifying agent 0.5～5%
Help emulsion 0.1～2%
Rust-preventive agent 0.5～5%
Extreme pressure agent 2～10%
Defoamer 0.001～0.1%
Sanitas 0.01～1%
Water 40～60%
Pressed oil surplus %.
2,, it is characterized in that described pressed oil is selected from and subtract two cut pressed oils, subtract three cut pressed oils, 150SN, 650SN, 120BS or 150BS according to the described fire resistant hydraulic fluid of claim 1.
3, according to the described fire resistant hydraulic fluid of claim 1, it is characterized in that esterification or the saponification reaction product of described emulsifying agent for poly-hydrocarbon carboxylic acids or acid anhydrides and oxy-compound or alkali, its consumption is 1～2%.
4, according to the described fire resistant hydraulic fluid of claim 3, the number-average molecular weight that it is characterized in that described poly-alkyl is 600～3000.
5, according to the described fire resistant hydraulic fluid of claim 3, the number-average molecular weight that it is characterized in that described poly-alkyl is 800～1200.
6,, it is characterized in that described poly-alkyl comes from the polymkeric substance of carbon four or carbon pentaene hydrocarbon according to the described fire resistant hydraulic fluid of claim 3; Carboxylic acid or acid anhydrides are from toxilic acid, maleic anhydride, fumaric acid, pentanedioic acid, hexanodioic acid in poly-hydrocarbon carboxylic acids or the acid anhydrides; Oxy-compound is from one or more oxy-compound, and its hydroxyl value is more than 1 or 1; Alkali is from sodium hydroxide, potassium hydroxide, lithium hydroxide, calcium hydroxide, magnesium hydroxide, hydrated barta etc.
7,, it is characterized in that described oxy-compound is HO-(CH according to the described fire resistant hydraulic fluid of claim 6
2CH
2O)
n-H is n=1-10 wherein, or monoethanolamine, diethanolamine, trolamine, glycerine, sorbyl alcohol, tetramethylolmethane.
8, according to the described fire resistant hydraulic fluid of claim 3, the viscosity that it is characterized in that described emulsifying agent is 500～3000 (100 ℃ of mm
2/ s).
9, according to the described fire resistant hydraulic fluid of claim 1, it is characterized in that the described emulsion that helps is selected from SP-40, SP-60, SP-65, SP-80, SP-85, M-201, fatty acid monoglyceride and two sweet esters, ethylene glycol monostearate, the glycol ether monostearate, propyleneglycoles list dodecyl ester, sodium stearate, sodium oleate, potassium stearate, potassium oleate, Yelkin TTS, phosphoric acid fat, fatty alcohol-polyoxyethylene ether (10), aliphatic acid polyethenoxy ether (15), alkylphenol polyoxyethylene (7), aliphatic amine polyoxyethylene ether (15), polyoxyethylene glycol (400), the Yatall MA acid amides, sodium laurylsulfonate, one or more mixtures of dodecyl alcohol acyl phosphoric acid ester.
10, according to the described fire resistant hydraulic fluid of claim 1, it is characterized in that described rust-preventive agent is petroleum sodium sulfonate, calcium mahogany sulfonate, barium mahogany sulfonate, the boric acid monoethanolamine, the boric acid diethanolamine, triethanolamine borate, the molybdic acid monoethanolamine, the molybdic acid diethanolamine, the molybdic acid trolamine, the phenylformic acid monoethanolamine, the phenylformic acid diethanolamine, the phenylformic acid trolamine, phenylformic acid amine, o-nitrophenol sodium, the o-nitrophenol dicyclohexyl amine, the o-nitrophenol stearylamine, benzotriazole, the nitro benzotriazole, 2-mercaptobenzothiazole, hexahydroaniline, monoethanolamine, diethanolamine, trolamine.
11, according to the described fire resistant hydraulic fluid of claim 1, it is characterized in that described extreme pressure agent is inorganic salt Sodium Tetraborate, potassium borate, sodium tetraborate, water glass, sodium phosphate, trisodium phosphate, boric acid monoethanolamine, boric acid diethanolamine, triethanolamine borate, boric acid pentaerythritol ester, boric acid sorbitol ester, boric acid glycol ether ester, boric acid triethyleneglycol ester, boric acid glycol ester, carbon four, C 5 monoolefin polymerizable raw material become one or more mixtures of polyolefine diprotic acid borate ester.
12,, it is characterized in that described defoamer is one or more mixtures of polyethers, methyl-silicone oil, hydroxy silicon oil, amido silicon oil, silicon-dioxide according to the described fire resistant hydraulic fluid of claim 1.
13,, it is characterized in that described sanitas is Pentachlorophenol, tetra-chloro-phenol, O-SyL, 2,4 dinitrophenols, 2-methylol-2 nitro-1, one or more mixtures of 3-the third two according to the described fire resistant hydraulic fluid of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01106031 CN1132918C (en) | 2001-01-05 | 2001-01-05 | Non-flammable hydraulic oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01106031 CN1132918C (en) | 2001-01-05 | 2001-01-05 | Non-flammable hydraulic oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1362501A true CN1362501A (en) | 2002-08-07 |
| CN1132918C CN1132918C (en) | 2003-12-31 |
Family
ID=4655089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01106031 Expired - Fee Related CN1132918C (en) | 2001-01-05 | 2001-01-05 | Non-flammable hydraulic oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1132918C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029273B (en) * | 2007-02-15 | 2010-05-26 | 大同云雁石化有限公司 | Liquefied concentrate for hydraulic stand |
| CN101985577A (en) * | 2010-11-01 | 2011-03-16 | 彭美东 | Linear cutting emulsified oil |
| CN102367856A (en) * | 2011-09-02 | 2012-03-07 | 芜湖禾田汽车工业有限公司 | Corrosion-resistant anti-freezing damping fluid for hydraulic suspension product of automotive engine |
| CN102703169A (en) * | 2012-06-06 | 2012-10-03 | 上海火炬润滑油有限公司 | Anti-wear hydraulic oil capable of preventing chromium plated metal from blackening and bluing, as well as preparation method and application thereof |
| CN103937592A (en) * | 2014-04-24 | 2014-07-23 | 特浦朗克化工（营口）股份有限公司 | Emulsified oil for mining hydraulic support |
| CN104845724A (en) * | 2015-04-27 | 2015-08-19 | 苏州劲元油压机械有限公司 | High-viscosity water-based rust-proof and anti-flame hydraulic oil and preparation technology thereof |
| CN104911008A (en) * | 2015-04-28 | 2015-09-16 | 冉井忠 | Hydraulic oil substituting liquid |
| CN105018193A (en) * | 2015-06-15 | 2015-11-04 | 赵兰 | Train specific mineral hydraulic oil and preparation method therefor |
| CN105038907A (en) * | 2015-08-05 | 2015-11-11 | 苏州赛斯德工程设备有限公司 | Preparation method of lubricant oil additive |
| CN107033142A (en) * | 2017-05-15 | 2017-08-11 | 杭州科耀医药科技有限公司 | A kind of synthetic method of Venetoclax key intermediates |
| CN111575098A (en) * | 2020-05-19 | 2020-08-25 | 郑州正赢石化有限公司 | Special high-temperature-resistant flame-retardant wear-resistant hydraulic fluid for coking and preparation method thereof |
| CN113969208A (en) * | 2021-10-26 | 2022-01-25 | 江苏捷达油品有限公司 | Wear-resistant water-based hydraulic oil and preparation method thereof |
-
2001
- 2001-01-05 CN CN 01106031 patent/CN1132918C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029273B (en) * | 2007-02-15 | 2010-05-26 | 大同云雁石化有限公司 | Liquefied concentrate for hydraulic stand |
| CN101985577A (en) * | 2010-11-01 | 2011-03-16 | 彭美东 | Linear cutting emulsified oil |
| CN101985577B (en) * | 2010-11-01 | 2012-10-10 | 彭美东 | Linear cutting emulsified oil |
| CN102367856A (en) * | 2011-09-02 | 2012-03-07 | 芜湖禾田汽车工业有限公司 | Corrosion-resistant anti-freezing damping fluid for hydraulic suspension product of automotive engine |
| CN102703169A (en) * | 2012-06-06 | 2012-10-03 | 上海火炬润滑油有限公司 | Anti-wear hydraulic oil capable of preventing chromium plated metal from blackening and bluing, as well as preparation method and application thereof |
| CN102703169B (en) * | 2012-06-06 | 2014-02-12 | 上海火炬润滑油有限公司 | Anti-wear hydraulic oil capable of preventing chromium plated metal from blackening and bluing, as well as preparation method and application thereof |
| CN103937592B (en) * | 2014-04-24 | 2016-02-17 | 特浦朗克化工（营口）股份有限公司 | A kind of mine hydraulic support oil in water emulsion |
| CN103937592A (en) * | 2014-04-24 | 2014-07-23 | 特浦朗克化工（营口）股份有限公司 | Emulsified oil for mining hydraulic support |
| CN104845724A (en) * | 2015-04-27 | 2015-08-19 | 苏州劲元油压机械有限公司 | High-viscosity water-based rust-proof and anti-flame hydraulic oil and preparation technology thereof |
| CN104911008A (en) * | 2015-04-28 | 2015-09-16 | 冉井忠 | Hydraulic oil substituting liquid |
| CN105018193A (en) * | 2015-06-15 | 2015-11-04 | 赵兰 | Train specific mineral hydraulic oil and preparation method therefor |
| CN105038907A (en) * | 2015-08-05 | 2015-11-11 | 苏州赛斯德工程设备有限公司 | Preparation method of lubricant oil additive |
| CN105038907B (en) * | 2015-08-05 | 2017-12-29 | 苏州赛斯德工程设备有限公司 | A kind of preparation method of lube oil additive |
| CN107033142A (en) * | 2017-05-15 | 2017-08-11 | 杭州科耀医药科技有限公司 | A kind of synthetic method of Venetoclax key intermediates |
| CN111575098A (en) * | 2020-05-19 | 2020-08-25 | 郑州正赢石化有限公司 | Special high-temperature-resistant flame-retardant wear-resistant hydraulic fluid for coking and preparation method thereof |
| CN113969208A (en) * | 2021-10-26 | 2022-01-25 | 江苏捷达油品有限公司 | Wear-resistant water-based hydraulic oil and preparation method thereof |
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Granted publication date: 20031231 Termination date: 20200105 |