CN104004574A - Antirust lubricant - Google Patents
Antirust lubricant Download PDFInfo
- Publication number
- CN104004574A CN104004574A CN201410176104.8A CN201410176104A CN104004574A CN 104004574 A CN104004574 A CN 104004574A CN 201410176104 A CN201410176104 A CN 201410176104A CN 104004574 A CN104004574 A CN 104004574A
- Authority
- CN
- China
- Prior art keywords
- rust
- stirring
- sulfonate
- parts
- secondary stirring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Lubricants (AREA)
Abstract
The invention discloses an antirust lubricant. The antirust lubricant is prepared through the steps of adding odorless kerosene, aluminum stearate, barium petroleum sulfonate and sodium petroleum sulfonate into a variable-frequency dispersion kettle, and carrying out first stirring at 60-80DEG C for 30-40min; adding sodium alkyl benzene sulfonate, sodium secondary alkyl sulfonate, triethanolamine, sorbitan monostearate and glycerol, and carrying out second stirring at 70-85DEG C for 60-80min; and adding a rust remover, and carrying out third stirring at 30-40DEG C for 20-25min to obtain the antirust lubricant. The antirust lubricant has the advantages of excellent antirust and lubrication properties, improvement of the friction pair bearing capability of a workpiece, good wear resistance of the workpiece, and prolongation of the service life of the workpiece.
Description
Technical field
The present invention relates to lubricant technical field, relate in particular to a kind of rust-inhibiting lubricant.
Background technology
Because we live in the occurring in nature of general aqueous electrolyte, getting rusty of mechanical means, rubbing, wearing and tearing is universal phenomenon, is also the major reason that causes apparatus, equipment failure.The whole world accounts for the suitable vast scale of current year's production total value in the direct economic loss that causes of getting rusty, wearing and tearing.Reduce the wearing and tearing of getting rusty, improve plant factor, be one of important content of countries in the world lubricant research always.During current workpiece of mutually pegging graft in separation, often because workpiece connecting portion in wet environment gets rusty, be difficult to separation, rust-inhibiting lubricant can significantly alleviate getting rusty, wearing and tearing of workpiece, improves workpiece reliability, increases the service life, and reduces energy consumption.
Summary of the invention
The technical problem that basic background technology exists, the present invention proposes a kind of rust-inhibiting lubricant, antirust and lubricity excellent, and can improve the friction pair supporting capacity of workpiece, and workpiece abrasion resistance properties is good, extends workpiece work-ing life.
A kind of rust-inhibiting lubricant that the present invention proposes, comprise: by weight 60-90 part tasteless kerosene, 2-6 part aluminum stearate, 1-3 part barium mahogany sulfonate, 4-8 part petroleum sodium sulfonate are added in frequency conversion Scattered Kettle and once stirred, a churning time is 30-40min, and a whipping temp is 60-80 ℃; Then add 0.5-2.0 part sodium alkyl benzene sulfonate, 4-6 part Seconary Alkane Sulphonate Sodium, 3-8 part trolamine, the smooth monostearate of 4-7 part sorb, 8-15 part glycerol to carry out secondary stirring, the secondary stirring time is 60-80min, and secondary stirring temperature is 70-85 ℃; Then add 7-9 part rust remover to carry out triple mixing and obtain rust-inhibiting lubricant, the triple mixing time is 20-25min, and triple mixing temperature is 30-40 ℃.
Preferably, the model of described frequency conversion Scattered Kettle is TSK-0.5.
Preferably, the Trisodium Citrate that the dilute hydrochloric acid that described rust remover is 2mol/L by concentration and concentration are 43.53-47.62% forms, and the volume ratio of dilute hydrochloric acid and Trisodium Citrate is 2-6:1-4.
Preferably, described sodium alkyl benzene sulfonate is that Witco 1298 Soft Acid and hexadecyl Phenylsulfonic acid are configured by the mol ratio of 3-4:1-3.
Preferably, the mass ratio of described aluminum stearate, barium mahogany sulfonate and petroleum sodium sulfonate is 5-6:1-2:3-4.
Preferably, in described once stirring, maintaining negative pressure is 0.06-0.09MPa, and in described secondary stirring, maintaining negative pressure is 0.10-0.12MPa, and in described triple mixing, maintaining negative pressure is 0.01-0.02MPa.
Preferably, the described rotating speed once stirring is 400-500rpm, and the rotating speed of described secondary stirring is 450-550rpm, and the rotating speed of described triple mixing is 200-300rpm.
The present invention is with tasteless kerosene for oil substantially, and take aluminum stearate, barium mahogany sulfonate, petroleum sodium sulfonate is rust-preventive agent, strengthens the antirust function of lubricant, forms an oil phase protective membrane, isolated air and moisture in rust cleaning at article surface; Using sodium alkyl benzene sulfonate, Seconary Alkane Sulphonate Sodium, trolamine, the smooth monostearate of sorb, glycerol as emulsifying agent and permeate agent, water and oil phase are combined, and promote that rust-preventive agent enters in the tiny micropore of article surface, strengthen rustless property; By comparison and detection, prove that the antirust and lubricity of the present invention is excellent, and can improve the friction pair supporting capacity of workpiece, workpiece abrasion resistance properties is good, extends workpiece work-ing life.
Embodiment
A kind of rust-inhibiting lubricant that the present invention proposes, comprise: by weight 60-90 part tasteless kerosene, 2-6 part aluminum stearate, 1-3 part barium mahogany sulfonate, 4-8 part petroleum sodium sulfonate are added in frequency conversion Scattered Kettle and once stirred, a churning time is 30-40min, and a whipping temp is 60-80 ℃; Then add 0.5-2.0 part sodium alkyl benzene sulfonate, 4-6 part Seconary Alkane Sulphonate Sodium, 3-8 part trolamine, the smooth monostearate of 4-7 part sorb, 8-15 part glycerol to carry out secondary stirring, the secondary stirring time is 60-80min, and secondary stirring temperature is 70-85 ℃; Then add 7-9 part rust remover to carry out triple mixing and obtain rust-inhibiting lubricant, the triple mixing time is 20-25min, and triple mixing temperature is 30-40 ℃.
Below, by specific embodiment, technical scheme of the present invention is elaborated.
Embodiment 1
A kind of rust-inhibiting lubricant that the present invention proposes, comprise: by weight 60 parts of tasteless kerosenes, 6 parts of aluminum stearates, 1 part of barium mahogany sulfonate, 8 parts of petroleum sodium sulfonates are added in frequency conversion Scattered Kettle and once stirred, the model of described frequency conversion Scattered Kettle is TSK-0.5, a churning time is 40min, one time whipping temp is 60 ℃, the rotating speed once stirring is 500rpm, and in once stirring, maintaining negative pressure is 0.06MPa; Then add 0.5 part of sodium alkyl benzene sulfonate, 6 parts of Seconary Alkane Sulphonate Sodium, 3 parts of trolamines, 7 parts of smooth monostearates of sorb, 8 parts of glycerol to carry out secondary stirring, wherein said sodium alkyl benzene sulfonate is that Witco 1298 Soft Acid and hexadecyl Phenylsulfonic acid are configured by the mol ratio of 1:1, the secondary stirring time is 80min, secondary stirring temperature is 70 ℃, the rotating speed of secondary stirring is 550rpm, and in secondary stirring, maintaining negative pressure is 0.1MPa; Then add 9 parts of rust removers to carry out triple mixing and obtain rust-inhibiting lubricant, the Trisodium Citrate that the dilute hydrochloric acid that wherein rust remover is 2mol/L by concentration and concentration are 46.52% forms, the volume ratio of dilute hydrochloric acid and Trisodium Citrate is 1:2, the triple mixing time is 25min, triple mixing temperature is 30 ℃, the rotating speed of triple mixing is 300rpm, and in triple mixing, maintaining negative pressure is 0.01MPa.
Embodiment 2
A kind of rust-inhibiting lubricant that the present invention proposes, comprise: by weight 90 parts of tasteless kerosenes, 2 parts of aluminum stearates, 3 parts of barium mahogany sulfonates, 4 parts of petroleum sodium sulfonates are added in frequency conversion Scattered Kettle and once stirred, the model of described frequency conversion Scattered Kettle is TSK-0.5, a churning time is 30min, one time whipping temp is 80 ℃, the rotating speed once stirring is 400rpm, and in once stirring, maintaining negative pressure is 0.09MPa; Then add 2 parts of sodium alkyl benzene sulfonates, 4 parts of Seconary Alkane Sulphonate Sodium, 8 parts of trolamines, 4 parts of smooth monostearates of sorb, 15 parts of glycerol to carry out secondary stirring, wherein said sodium alkyl benzene sulfonate is that Witco 1298 Soft Acid and hexadecyl Phenylsulfonic acid are configured by the mol ratio of 4:1, the secondary stirring time is 60min, secondary stirring temperature is 85 ℃, the rotating speed of secondary stirring is 450rpm, and in secondary stirring, maintaining negative pressure is 0.12MPa; Then add 7 parts of rust removers to carry out triple mixing and obtain rust-inhibiting lubricant, the Trisodium Citrate that the dilute hydrochloric acid that wherein rust remover is 2mol/L by concentration and concentration are 43.53% forms, the volume ratio of dilute hydrochloric acid and Trisodium Citrate is 6:1, the triple mixing time is 20min, triple mixing temperature is 40 ℃, the rotating speed of triple mixing is 200rpm, and in triple mixing, maintaining negative pressure is 0.02MPa.
Embodiment 3
A kind of rust-inhibiting lubricant that the present invention proposes, comprise: by weight 73 parts of tasteless kerosenes, 3 parts of aluminum stearates, 1 part of barium mahogany sulfonate, 7 parts of petroleum sodium sulfonates are added in frequency conversion Scattered Kettle and once stirred, the model of described frequency conversion Scattered Kettle is TSK-0.5, a churning time is 34min, one time whipping temp is 78 ℃, the rotating speed once stirring is 470rpm, and in once stirring, maintaining negative pressure is 0.06MPa; Then add 0.9 part of sodium alkyl benzene sulfonate, 6 parts of Seconary Alkane Sulphonate Sodium, 7 parts of trolamines, 4 parts of smooth monostearates of sorb, 14 parts of glycerol to carry out secondary stirring, wherein said sodium alkyl benzene sulfonate is that Witco 1298 Soft Acid and hexadecyl Phenylsulfonic acid are configured by the mol ratio of 2:1, the secondary stirring time is 65min, secondary stirring temperature is 73 ℃, the rotating speed of secondary stirring is 460rpm, and in secondary stirring, maintaining negative pressure is 0.11MPa; Then add 7 parts of rust removers to carry out triple mixing and obtain rust-inhibiting lubricant, the Trisodium Citrate that the dilute hydrochloric acid that wherein rust remover is 2mol/L by concentration and concentration are 47.62% forms, the volume ratio of dilute hydrochloric acid and Trisodium Citrate is 1:1, the triple mixing time is 21min, triple mixing temperature is 32 ℃, the rotating speed of triple mixing is 220rpm, and in triple mixing, maintaining negative pressure is 0.01MPa.
Embodiment 4
A kind of rust-inhibiting lubricant that the present invention proposes, comprise: by weight 67 parts of tasteless kerosenes, 4 parts of aluminum stearates, 1 part of barium mahogany sulfonate, 6 parts of petroleum sodium sulfonates are added in frequency conversion Scattered Kettle and once stirred, the model of described frequency conversion Scattered Kettle is TSK-0.5, a churning time is 33min, one time whipping temp is 73 ℃, the rotating speed once stirring is 430rpm, and in once stirring, maintaining negative pressure is 0.08MPa; Then add 1.3 parts of sodium alkyl benzene sulfonates, 4.4 parts of Seconary Alkane Sulphonate Sodium, 4 parts of trolamines, 6 parts of smooth monostearates of sorb, 13 parts of glycerol to carry out secondary stirring, wherein said sodium alkyl benzene sulfonate is that Witco 1298 Soft Acid and hexadecyl Phenylsulfonic acid are configured by the mol ratio of 3:1, the secondary stirring time is 67min, secondary stirring temperature is 77 ℃, the rotating speed of secondary stirring is 470rpm, and in secondary stirring, maintaining negative pressure is 0.1MPa; Then add 7.7 parts of rust removers to carry out triple mixing and obtain rust-inhibiting lubricant, the Trisodium Citrate that the dilute hydrochloric acid that wherein rust remover is 2mol/L by concentration and concentration are 45.55% forms, the volume ratio of dilute hydrochloric acid and Trisodium Citrate is 2:1, the triple mixing time is 22min, triple mixing temperature is 33 ℃, the rotating speed of triple mixing is 240rpm, and in triple mixing, maintaining negative pressure is 0.01MPa.
Embodiment 5
A kind of rust-inhibiting lubricant that the present invention proposes, comprise: by weight 69 parts of tasteless kerosenes, 5 parts of aluminum stearates, 3 parts of barium mahogany sulfonates, 5 parts of petroleum sodium sulfonates are added in frequency conversion Scattered Kettle and once stirred, the model of described frequency conversion Scattered Kettle is TSK-0.5, a churning time is 35min, one time whipping temp is 70 ℃, the rotating speed once stirring is 450rpm, and in once stirring, maintaining negative pressure is 0.07MPa; Then add 1.3 parts of sodium alkyl benzene sulfonates, 5 parts of Seconary Alkane Sulphonate Sodium, 5 parts of trolamines, 5 parts of smooth monostearates of sorb, 10 parts of glycerol to carry out secondary stirring, wherein said sodium alkyl benzene sulfonate is that Witco 1298 Soft Acid and hexadecyl Phenylsulfonic acid are configured by the mol ratio of 1.5:1, the secondary stirring time is 69min, secondary stirring temperature is 83 ℃, the rotating speed of secondary stirring is 500rpm, and in secondary stirring, maintaining negative pressure is 0.12MPa; Then add 8.3 parts of rust removers to carry out triple mixing and obtain rust-inhibiting lubricant, the Trisodium Citrate that the dilute hydrochloric acid that wherein rust remover is 2mol/L by concentration and concentration are 44.3% forms, the volume ratio of dilute hydrochloric acid and Trisodium Citrate is 3:1, the triple mixing time is 24min, triple mixing temperature is 35 ℃, the rotating speed of triple mixing is 260rpm, and in triple mixing, maintaining negative pressure is 0.013MPa.
Embodiment 6
A kind of rust-inhibiting lubricant that the present invention proposes, comprise: by weight 83 parts of tasteless kerosenes, 4 parts of aluminum stearates, 2 parts of barium mahogany sulfonates, 5 parts of petroleum sodium sulfonates are added in frequency conversion Scattered Kettle and once stirred, the model of described frequency conversion Scattered Kettle is TSK-0.5, a churning time is 36min, one time whipping temp is 66 ℃, the rotating speed once stirring is 470rpm, and in once stirring, maintaining negative pressure is 0.08MPa; Then add 1.6 parts of sodium alkyl benzene sulfonates, 5 parts of Seconary Alkane Sulphonate Sodium, 7 parts of trolamines, 6 parts of smooth monostearates of sorb, 10 parts of glycerol to carry out secondary stirring, wherein said sodium alkyl benzene sulfonate is that Witco 1298 Soft Acid and hexadecyl Phenylsulfonic acid are configured by the mol ratio of 2:1, the secondary stirring time is 64min, secondary stirring temperature is 78 ℃, the rotating speed of secondary stirring is 540rpm, and in secondary stirring, maintaining negative pressure is 0.11MPa; Then add 8 parts of rust removers to carry out triple mixing and obtain rust-inhibiting lubricant, the Trisodium Citrate that the dilute hydrochloric acid that wherein rust remover is 2mol/L by concentration and concentration are 47.01% forms, the volume ratio of dilute hydrochloric acid and Trisodium Citrate is 4:1, the triple mixing time is 23min, triple mixing temperature is 36 ℃, the rotating speed of triple mixing is 290rpm, and in triple mixing, maintaining negative pressure is 0.01MPa.
Rust-inhibiting lubricant to embodiment 1-6 detects, and result is as follows:
Wherein heat stability test condition is 24h, 138 ℃; Degree of corrosion testing conditions is 100 ℃, 24h; Salt-fog test testing conditions is 5%NaCl, 35 ℃ ± 1 ℃, and 45 steel prints, 7 days; Humid heat test testing conditions is 49 ℃, 45 steel prints, 45 days.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.
Claims (7)
1. a rust-inhibiting lubricant, it is characterized in that, comprise: by weight 60-90 part tasteless kerosene, 2-6 part aluminum stearate, 1-3 part barium mahogany sulfonate, 4-8 part petroleum sodium sulfonate are added in frequency conversion Scattered Kettle and once stirred, a churning time is 30-40min, and a whipping temp is 60-80 ℃; Then add 0.5-2.0 part sodium alkyl benzene sulfonate, 4-6 part Seconary Alkane Sulphonate Sodium, 3-8 part trolamine, the smooth monostearate of 4-7 part sorb, 8-15 part glycerol to carry out secondary stirring, the secondary stirring time is 60-80min, and secondary stirring temperature is 70-85 ℃; Then add 7-9 part rust remover to carry out triple mixing and obtain rust-inhibiting lubricant, the triple mixing time is 20-25min, and triple mixing temperature is 30-40 ℃.
2. rust-inhibiting lubricant as claimed in claim 1, is characterized in that, the model of described frequency conversion Scattered Kettle is TSK-0.5.
3. rust-inhibiting lubricant as claimed in claim 1, is characterized in that, the Trisodium Citrate that the dilute hydrochloric acid that described rust remover is 2mol/L by concentration and concentration are 43.53-47.62% forms, and the volume ratio of dilute hydrochloric acid and Trisodium Citrate is 2-6:1-4.
4. rust-inhibiting lubricant as claimed in claim 1, is characterized in that, described sodium alkyl benzene sulfonate is that Witco 1298 Soft Acid and hexadecyl Phenylsulfonic acid are configured by the mol ratio of 3-4:1-3.
5. rust-inhibiting lubricant as claimed in claim 1, is characterized in that, the mass ratio of described aluminum stearate, barium mahogany sulfonate and petroleum sodium sulfonate is 5-6:1-2:3-4.
6. rust-inhibiting lubricant as claimed in claim 1, is characterized in that, described to maintain negative pressure in once stirring be 0.06-0.09MPa, and in described secondary stirring, maintaining negative pressure is 0.10-0.12MPa, and in described triple mixing, maintaining negative pressure is 0.01-0.02MPa.
7. rust-inhibiting lubricant as claimed in claim 1, is characterized in that, the described rotating speed once stirring is 400-500rpm, and the rotating speed of described secondary stirring is 450-550rpm, and the rotating speed of described triple mixing is 200-300rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410176104.8A CN104004574A (en) | 2014-04-28 | 2014-04-28 | Antirust lubricant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410176104.8A CN104004574A (en) | 2014-04-28 | 2014-04-28 | Antirust lubricant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104004574A true CN104004574A (en) | 2014-08-27 |
Family
ID=51365486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410176104.8A Pending CN104004574A (en) | 2014-04-28 | 2014-04-28 | Antirust lubricant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104004574A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109096925A (en) * | 2018-07-02 | 2018-12-28 | 湖州师范学院 | A kind of environmentally protective scratch resistance aqua type lapping liquid and preparation method thereof |
| CN112175694A (en) * | 2020-10-22 | 2021-01-05 | 安徽中天石化股份有限公司 | Lubricating grease for automobile brake and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037636A (en) * | 2006-03-14 | 2007-09-19 | 上海帕卡兴产化工有限公司 | Antirust composition and preparation method thereof |
| CN101353793A (en) * | 2007-07-26 | 2009-01-28 | 江苏海迅实业集团股份有限公司 | Copper alloy antirust agent |
| CN103484220A (en) * | 2013-08-23 | 2014-01-01 | 吴江骏达电梯部件有限公司 | Fingerprint removal type antirust oil and preparation method thereof |
| CN103602379A (en) * | 2013-10-20 | 2014-02-26 | 安徽嘉木橡塑工业有限公司 | Antirust lubricant |
| CN103740445A (en) * | 2013-12-11 | 2014-04-23 | 三达奥克化学股份有限公司 | Hard film dry anti-rust oil with very strong water resistance |
-
2014
- 2014-04-28 CN CN201410176104.8A patent/CN104004574A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037636A (en) * | 2006-03-14 | 2007-09-19 | 上海帕卡兴产化工有限公司 | Antirust composition and preparation method thereof |
| CN101353793A (en) * | 2007-07-26 | 2009-01-28 | 江苏海迅实业集团股份有限公司 | Copper alloy antirust agent |
| CN103484220A (en) * | 2013-08-23 | 2014-01-01 | 吴江骏达电梯部件有限公司 | Fingerprint removal type antirust oil and preparation method thereof |
| CN103602379A (en) * | 2013-10-20 | 2014-02-26 | 安徽嘉木橡塑工业有限公司 | Antirust lubricant |
| CN103740445A (en) * | 2013-12-11 | 2014-04-23 | 三达奥克化学股份有限公司 | Hard film dry anti-rust oil with very strong water resistance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109096925A (en) * | 2018-07-02 | 2018-12-28 | 湖州师范学院 | A kind of environmentally protective scratch resistance aqua type lapping liquid and preparation method thereof |
| CN112175694A (en) * | 2020-10-22 | 2021-01-05 | 安徽中天石化股份有限公司 | Lubricating grease for automobile brake and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104004574A (en) | Antirust lubricant | |
| CN104120010B (en) | A kind of excellent performance intermetallic composite coating aqueous cutting fluid and preparation method thereof | |
| CN109468162B (en) | Water-based rolling liquid containing hexagonal boron nitride nanoparticles and preparation method thereof | |
| CN105907446A (en) | Lubricant grease composition and preparation method of same | |
| CN105132144B (en) | A method of peanut oil is extracted using surfactant water phase | |
| CN104877749A (en) | Water-based cutting fluid for vermicular cast iron processing, and dilution solution thereof | |
| CN109181833B (en) | Oil film bearing oil and preparation method thereof | |
| CN109135880B (en) | Synthetic water-soluble industrial gear oil and preparation method thereof | |
| CN106318592A (en) | Aqueous cutting fluid for hard and brittle material multi-line cutting and preparation method thereof | |
| CN105568289A (en) | Modified metal polishing solution | |
| CN105238460A (en) | Marine oil emulsifier composition and application thereof | |
| CN109097170A (en) | A kind of low oil fume metal pressure of environment-friendly type makes lubricant | |
| CN106221731A (en) | A kind of demulsifier | |
| CN104651028A (en) | Cutting fluid | |
| CN104120002A (en) | Cutting liquid with antibacterial and antimould effects and preparation method of cutting liquid | |
| CN106883906A (en) | A kind of conductivity type cup grease | |
| CN105713710A (en) | Improved water-based synthetic cutting fluid | |
| CN108998167B (en) | Graphene modified emulsion, and preparation method and application thereof | |
| CN108048198B (en) | Environment-friendly fully-synthetic cutting fluid and preparation method thereof | |
| CN105647629A (en) | Water dispersible switch rail anti-friction agent and preparation method thereof | |
| CN112481010B (en) | Viscosity-series water-glycol flame-retardant hydraulic fluid and preparation method thereof | |
| CN104357173A (en) | High-temperature-resistant cutting liquid | |
| CN105886075B (en) | A kind of wire drawing lubricant and preparation method thereof | |
| CN102286748B (en) | Gas field gas dehydrated ethanediol regenerator corrosion inhibitor | |
| CN105695072A (en) | Improved water-soluble cutting fluid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140827 |