CN112342078A - High-water-base lubricating fluid containing porous particles - Google Patents
High-water-base lubricating fluid containing porous particles Download PDFInfo
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- CN112342078A CN112342078A CN202011245293.1A CN202011245293A CN112342078A CN 112342078 A CN112342078 A CN 112342078A CN 202011245293 A CN202011245293 A CN 202011245293A CN 112342078 A CN112342078 A CN 112342078A
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- water
- lubricating fluid
- particles
- based lubricating
- lubricating
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/105—Silica
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a high water-based lubricating fluid containing porous particles, which comprises 0.05-1 part by weight of nano porous particles, 0.1-1 part by weight of water-soluble carboxylate, 0-3 parts by weight of alkali and 95-99 parts by weight of water. The invention adopts porous nano particles as the lubricating additive of the high water-based lubricating fluid, and the nano particles can be filled and adsorbed in a friction micro-area due to small particle size and high activity, so that the direct contact of the surface of a friction pair is prevented, the excessive friction is reduced, and the bearing capacity is improved. Meanwhile, the porous structure can absorb lubricating liquid, so that the lubricating liquid can be released in the extrusion process of the friction micro-area, and the lubricating property of the friction area is improved. Therefore, the high-water-based lubricating fluid provided by the invention can solve the problem of poor lubricating property of the high-water-based lubricating fluid, and is suitable for being used as metal working fluid for cutting, grinding and the like and flame-retardant hydraulic medium.
Description
Technical Field
The invention relates to a lubricating liquid in the field of metal processing and flame-retardant hydraulic media, in particular to a high-water-base lubricating liquid containing porous particles.
Background
In recent years, High Water-based lubricating fluids (High Water-based fluids) have attracted general attention from countries around the world with increasing emphasis on environmental protection and energy conservation. High water-based lubricants refer to liquids consisting of 1-5% functional additives and 95-99% water. Compared with the traditional oil-based lubricant, the high water-based lubricating fluid has the following advantages:
(1) the high water-based lubricant does not contain oil, reduces environmental pollution and is beneficial to the health of workers.
(2) The water is used for replacing oil, and the petroleum energy is saved.
(3) The cost is low, and the price is about 1/10 of that of mineral oil.
(4) The main body of the fire-retardant plastic is water, and the fire-retardant plastic is difficult to burn and safe. Is suitable for being used as a flame-retardant hydraulic medium.
(5) Is easy to clean.
The unique advantages make the high water-based lubricant expected to be widely used as hydraulic transmission medium (especially flame retardant medium) in industrial machinery such as metallurgy, mine, glass, plastics, fiber and the like and as lubricating cooling liquid in metal processing industries such as cutting, grinding, rolling, stamping, drawing and the like. However, the high water-based lubricating fluid is poor in lubricity, low in bearing capacity and serious in friction and abrasion due to the fact that the main body of the high water-based lubricating fluid is water, and is a key for restricting popularization and application of the high water-based lubricating fluid.
At present, in order to improve the lubricating performance of the water-based lubricating fluid in practical use, a lubricating additive must be added. Currently, the commonly used lubricant additives can be mainly divided into three types, one is an oil-soluble commercial lubricant additive such as zinc dialkyldithiophosphate (ZDDP), chlorinated paraffin, lead naphthenate and other commercial lubricants containing sulfur, phosphorus, chlorine, metal elements and other lubricant active elements. However, the obtained high-water-based lubricating fluid product has poor compatibility and is easy to decay and deteriorate, and the existing oil-soluble lubricating additives such as lead naphthenate and the like have high toxicity and cause environmental pollution. The other is water-soluble lubricant additive, such as polyethylene glycol and derivatives, sulfobenzoic acid, dithiodipropionic acid water-soluble carboxylic acid derivatives and the like, but the lubricity of the water-soluble lubricant is far from that of the oil-based lubricant, and the problem of poor lubricity of the high-water-based lubricant cannot be thoroughly solved. In addition, there is also a document that solid particles such as diamond, solid silica, etc. are used as a lubricant for a high water-based lubricating fluid to improve the bearing capacity, but since these solid particles are dense in structure and have high hardness, the resulting wear is severe.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and adopts nano particles with a porous structure as a lubricating additive of a high-water-based lubricating fluid.
In order to achieve the purpose, the invention adopts the following technical scheme that the high water-based lubricating fluid containing porous particles comprises 0.05-1 part by weight of nano porous particles, 0.1-1 part by weight of water-soluble carboxylic ester, 0-3 parts by weight of alkali and 95-99 parts by weight of water.
Further, the nano-porous particles comprise nano-porous silicon oxide or porous aluminum oxide or porous iron oxide.
Further, the diameter of the nano-porous particle is 50-300 nanometers, and the diameter of a pore channel in the nano-porous particle is 1-50 nanometers.
Further, the water-soluble carboxylic acid ester includes mono-or polycarboxylic acids having 4 to 20 carbons.
Further, the water-soluble carboxylic ester is carboxylic glyceride.
Further, the coating also comprises one or more of corrosion inhibitor, surfactant, thickener and preservative.
Further, the alkali is sodium hydroxide or ammonia water or organic alkali.
The invention has the following beneficial effects: the invention adopts porous nano particles as the lubricating additive of the high water-based lubricating oil, and the nano particles can be filled and adsorbed in a friction micro-area due to small particle size and high activity, so that the direct contact of the surface of a friction pair is prevented, the excessive friction is reduced, and the bearing capacity is improved. Meanwhile, the porous structure can absorb lubricating liquid, so that the lubricating liquid can be released in the extrusion process of the friction micro-area, and the lubricating property of the friction area is improved. Therefore, the high-water-based lubricating fluid provided by the invention can solve the problem of poor lubricating property of the high-water-based lubricating fluid, and is suitable for being used as metal working fluid for cutting, grinding and the like and flame-retardant hydraulic medium.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the embodiments of the present invention is provided.
The invention provides a high water-based lubricating fluid containing porous particles, which comprises 0.05-1 part by weight of nano porous particles, 0.1-1 part by weight of water-soluble carboxylate, 0-3 parts by weight of alkali and 95-99 parts by weight of water.
Specifically, the nanoporous particles include nanoporous silica or porous alumina or porous iron oxide. The diameter of the nano-porous particle is 50-300 nanometers, and the diameter of a pore passage in the nano-porous particle is 1-50 nanometers.
Specifically, the water-soluble carboxylic acid ester includes mono-or polycarboxylic acids having 4 to 20 carbons, and specifically may be water-soluble carboxylic acid glycerides.
Specifically, the base in the present invention may be one of sodium hydroxide, ammonia water, and organic base. The organic base may be, for example, methylamine, dimethylamine, tripropylamine, ethylenediamine, ethanolamine, tetramethylammonium hydroxide, and the like.
The high water-based lubricating fluid of the present invention may also include one or more of corrosion inhibitors, surfactants, thickeners, preservatives.
The high water-based lubricating fluids of the present invention are further illustrated by the following examples:
example 1
Under mechanical stirring, 0.1kg of C10 dicarboxylic glyceride and 3kg of sodium hydroxide are sequentially added into 99kg of water, and after the mixture is stirred and dissolved, the solution is transparent. And adding 0.05kg of silicon oxide nano porous particles under stirring, and performing ultrasonic dispersion for 1 hour to obtain the high water-based lubricating liquid. Wherein, the diameter of the silicon oxide nano-porous particle is 50nm, and the diameter of the pore canal in the silicon oxide nano-porous particle is 1 nm.
Example 2
1kg of C4-monocarboxylic acid ester was added to 99kg of water in this order under mechanical stirring, and after dissolution by stirring, the solution was transparent. And adding 1kg of silicon oxide nano porous particles under stirring, and performing ultrasonic dispersion for 1 hour to obtain the high water-based lubricating liquid. Wherein, the diameter of the silicon oxide nano-porous particle is 300nm, and the diameter of the pore canal in the silicon oxide nano-porous particle is 50 nm.
Example 3
Under the mechanical stirring, 0.3kg of dicarboxylic glyceride containing 20 carbon atoms and 2kg of methylamine are sequentially added into 99kg of water, and after the solution is stirred and dissolved, the solution is transparent. And adding 0.1kg of silicon oxide nano porous particles under stirring, and performing ultrasonic dispersion for 1 hour to obtain the high water-based lubricating liquid. Wherein, the diameter of the silicon oxide nano-porous particle is 100nm, and the diameter of the pore canal in the silicon oxide nano-porous particle is 10 nm.
Example 4
0.3kg of C15-dicarboxylic acid glyceride and 2kg of dimethylamine are added to 99kg of water in sequence under mechanical stirring, and the solution is transparent after stirring and dissolving. And adding 0.1kg of alumina nano porous particles under stirring, and performing ultrasonic dispersion for 1 hour to obtain the high water-based lubricating liquid. Wherein the diameter of the alumina nano-porous particle is 200nm, and the diameter of the pore channel in the alumina nano-porous particle is 12 nm.
Example 5
Under mechanical stirring, 0.3kg of C9 dicarboxylic glyceride and 2kg of organic alkali ethylenediamine are sequentially added into 99kg of water, and after the solution is stirred and dissolved, the solution is transparent. And adding 0.1kg of iron oxide nano porous particles under stirring, and performing ultrasonic dispersion for 1 hour to obtain the high water-based lubricating liquid. Wherein the diameter of the iron oxide nano-porous particle is 90nm, and the diameter of a pore channel in the iron oxide nano-porous particle is 9 nm.
Comparative example 1
Under the mechanical stirring, 2kg of organic base methylamine is added into 99kg of water, and after the organic base methylamine is stirred and dissolved, the solution is transparent. And adding 0.1kg of silicon oxide nano porous particles under stirring, and performing ultrasonic dispersion for 1 hour to obtain the high water-based lubricating liquid. Wherein, the diameter of the silicon oxide nano-porous particle is 100nm, and the diameter of the pore canal in the silicon oxide nano-porous particle is 8 nm.
Comparative example 2
Under the mechanical stirring, 0.3kg of C9 dicarboxylic glyceride and 2kg of organic alkali ethylenediamine are sequentially added into 99kg of water, and after stirring and dissolving, the high water-based lubricating liquid is obtained.
The above examples and comparative examples were used for lubricating property tests: the high water-based lubricating fluids of examples 1-5 and comparative examples 1-2 were tested using a four-ball friction tester, with the test index of maximum no-seizure load (P)BValue) and the wear scar diameter (D)20 40)。PBThe test was according to GB 3142-82. The test conditions are as follows: the spindle speed is 1450r/min, and the test temperature is 20 ℃. The steel ball material for the test is GCr15, and the hardness is HRC 64-66. The scrub spot diameter test was carried out using a load of 40kg for a period of 20 min.
P of the various embodimentsBThe values and the scrub spot diameters are shown in Table 2.
TABLE 2 lubricating properties of high water-based lubricants
The embodiment shows that the different types of nano-porous particles can be used as the lubricating additive to effectively improve the bearing capacity of the high-water-based lubricant and reduce the diameter of the wear scar; and the nano porous particles and the water-soluble carboxylic ester are compounded to have obvious lubricating and bearing synergistic effects. Whereas high water-based lubricants that do not contain nanoporous particles have a lower load-bearing capacity.
The invention adopts porous nano particles as the lubricating additive of the high water-based lubricating oil, and the nano particles can be filled and adsorbed in a friction micro-area due to small particle size and high activity, so that the direct contact of the surface of a friction pair is prevented, the excessive friction is reduced, and the bearing capacity is improved. Meanwhile, the porous structure can absorb lubricating liquid, so that the lubricating liquid can be released in the extrusion process of the friction micro-area, and the lubricating property of the friction area is improved. Therefore, the high-water-based lubricating fluid provided by the invention can solve the problem of poor lubricating property of the high-water-based lubricating fluid, and is suitable for being used as metal working fluid for cutting, grinding and the like and flame-retardant hydraulic medium.
The above description is only a preferred embodiment of the present invention, and the embodiment is not intended to limit the scope of the present invention, so that all the equivalent structural changes made by using the description of the present invention should be included in the scope of the appended claims.
Claims (7)
1. A high water-based lubricating fluid containing porous particles is characterized by comprising 0.05-1 part by weight of nano porous particles, 0.1-1 part by weight of water-soluble carboxylic ester, 0-3 parts by weight of alkali and 95-99 parts by weight of water.
2. The high water-based lubricating fluid containing porous particles as claimed in claim 1, wherein the nanoporous particles comprise nanoporous silica or porous alumina or porous iron oxide.
3. The high water-based lubricating fluid containing porous particles as claimed in claim 2, wherein the diameter of the nanoporous particles is 50-300 nm, and the diameter of the channels in the nanoporous particles is 1-50 nm.
4. The high water-based lubricating fluid containing porous particles as claimed in claim 1, wherein the water-soluble carboxylic acid ester is a carboxylic acid glyceride.
5. The high water-based lubricating fluid containing porous particles as claimed in claim 4, wherein the water-soluble carboxylic acid ester comprises a mono-or polycarboxylic acid containing 4 to 20 carbons.
6. The high water-based lubricating fluid containing porous particles of claim 1, further comprising one or more of corrosion inhibitors, surfactants, thickeners, preservatives.
7. The high water-based lubricating fluid containing porous particles as claimed in claim 1, wherein the base is sodium hydroxide or ammonia water or an organic base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011245293.1A CN112342078A (en) | 2020-11-10 | 2020-11-10 | High-water-base lubricating fluid containing porous particles |
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| CN202011245293.1A CN112342078A (en) | 2020-11-10 | 2020-11-10 | High-water-base lubricating fluid containing porous particles |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5762423A (en) * | 1995-07-14 | 1998-06-09 | Ntn Corporation | Bearing device, solid resin lubricating composition and porous oil-impregnated bearing |
| CN1970707A (en) * | 2006-11-09 | 2007-05-30 | 上海大学 | High-performance high water-based lubricant composition |
| WO2010118891A1 (en) * | 2009-04-17 | 2010-10-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Lubrication liquid and method for producing the same |
| US20120040877A1 (en) * | 2009-03-13 | 2012-02-16 | Idemitsu Kosan Co., Ltd. | Aqueous lubricant |
| CN103097497A (en) * | 2010-06-25 | 2013-05-08 | 卡斯特罗尔有限公司 | Uses and compositions |
| CN108165341A (en) * | 2017-12-29 | 2018-06-15 | 北京天元陆兵汽车科技有限公司 | Application of the amidized mesopore silicon dioxide nano material as lubrication oil antiwear agent |
| CN108329976A (en) * | 2017-01-20 | 2018-07-27 | 合肥杰事杰新材料股份有限公司 | A kind of preparation method of the compound additive of lubricating oil |
| CN111778091A (en) * | 2020-07-08 | 2020-10-16 | 上海佳士特润滑科技有限公司 | Lubricating oil composition, and preparation method and application thereof |
-
2020
- 2020-11-10 CN CN202011245293.1A patent/CN112342078A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5762423A (en) * | 1995-07-14 | 1998-06-09 | Ntn Corporation | Bearing device, solid resin lubricating composition and porous oil-impregnated bearing |
| CN1970707A (en) * | 2006-11-09 | 2007-05-30 | 上海大学 | High-performance high water-based lubricant composition |
| US20120040877A1 (en) * | 2009-03-13 | 2012-02-16 | Idemitsu Kosan Co., Ltd. | Aqueous lubricant |
| WO2010118891A1 (en) * | 2009-04-17 | 2010-10-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Lubrication liquid and method for producing the same |
| CN103097497A (en) * | 2010-06-25 | 2013-05-08 | 卡斯特罗尔有限公司 | Uses and compositions |
| CN108329976A (en) * | 2017-01-20 | 2018-07-27 | 合肥杰事杰新材料股份有限公司 | A kind of preparation method of the compound additive of lubricating oil |
| CN108165341A (en) * | 2017-12-29 | 2018-06-15 | 北京天元陆兵汽车科技有限公司 | Application of the amidized mesopore silicon dioxide nano material as lubrication oil antiwear agent |
| CN111778091A (en) * | 2020-07-08 | 2020-10-16 | 上海佳士特润滑科技有限公司 | Lubricating oil composition, and preparation method and application thereof |
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Application publication date: 20210209 |