CN112778526A - Active organic silicon lubricant and preparation method thereof - Google Patents
Active organic silicon lubricant and preparation method thereof Download PDFInfo
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- CN112778526A CN112778526A CN202011621969.2A CN202011621969A CN112778526A CN 112778526 A CN112778526 A CN 112778526A CN 202011621969 A CN202011621969 A CN 202011621969A CN 112778526 A CN112778526 A CN 112778526A
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- catalyst
- lubricant
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- silicone lubricant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/44—Block-or graft-polymers containing polysiloxane sequences containing only polysiloxane sequences
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/10—Block or graft copolymers containing polysiloxane sequences
-
- 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
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/50—Lubricating compositions characterised by the base-material being a macromolecular compound containing silicon
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
- C10M2229/053—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon containing sulfur
- C10M2229/0535—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon containing sulfur used as base material
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Lubricants (AREA)
Abstract
The invention discloses an active organic silicon lubricant and a preparation method thereof. The finished product can be adsorbed on a metal or nonmetal surface at room temperature to form a colorless and transparent nano molecular layer which is invisible to naked eyes and can play a role in protection and lubrication. The finished product can be used as an antifriction lubricating additive to be added into various base oils to improve the wear resistance and load resistance of the lubricating oil, and can also be used as a single lubricant to be coated on the metal or nonmetal surface without additionally adding lubricating oil, thereby playing the roles of reducing the frictional resistance of a sliding surface and improving the sliding performance of the sliding surface.
Description
Technical Field
The invention belongs to the technical field of lubricants, and particularly relates to an active organic silicon lubricant and a preparation method thereof.
Background
The lubricant is used for reducing the friction resistance of a friction pair and slowing down the abrasion of the friction pair, can reduce the friction between a processing surface and a processed surface in a mechanical technician, can reduce the friction resistance of a sliding surface at the same time, improves the sliding performance, and can play roles of cooling, cleaning, pollution prevention and the like. Lubricants can be classified into industrial lubricants including lubricants for vehicles, lubricants for shafts, and the like, and human lubricants including lubricants for medical instruments according to their uses. The existing lubricant has the following problems: 1. the oil film formed on the surface of the existing product is a liquid oil film, the conditions of thicker oil film and softer oil film are easy to occur, and the film forming property needs to be improved; 2. the existing product has certain color and is not suitable for being used in certain occasions where colorless transparent lubricant is coated; 3. the existing product can not be applied to the surface of a product which needs to be contacted with other liquid during lubrication.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the active organic silicon lubricant which has thin oil film, is colorless and transparent and can not be dissolved in aqueous solution.
In order to solve the problems, the invention adopts the following technical scheme:
an active silicone lubricant characterized by: the composition comprises the following components in parts by weight:
main material 100-
Solvent 100-150-
5-15 of catalyst.
Furthermore, the composition comprises the following components in parts by weight:
the main material 170
Solvent 120
A catalyst 10.
Furthermore, the main material is one or more of room temperature vulcanized silicone rubber 107-10000, room temperature vulcanized silicone rubber 107-800, silicone oil or isopropanol.
The solvent is one or more of petroleum ether, pseudocumene, D60, D100 or isododecane.
Furthermore, the raw material of the catalyst is selected from one or more of methacryloxypropylmethyldiethoxysilane, 3-methacryloxypropylmethyldimethoxysilane, 3-mercaptopropyltriethoxysilane, 3-urea propyltrimethoxysilane or cyclohexylaminopropyltrimethoxysilane.
Furthermore, the raw materials of the catalyst are cyclohexylaminopropyl trimethoxy silane and 3-ureidopropyltrimethoxy silane, and the weight ratio of the two components is 1: 1.
Furthermore, the preparation method of the catalyst comprises the following steps:
adding raw materials of a catalyst into a reaction vessel;
heating the reaction container, and reacting the raw materials;
and thirdly, cooling after the reaction is finished to obtain the catalyst.
It is another object of the present invention to provide a reactive silicone lubricant comprising the steps of:
mixing the main material and the solvent;
adding a catalyst, heating and reacting for a period of time;
and cooling after the reaction is finished to obtain a finished product.
The invention has the technical effects that:
in the invention, the main material and the solvent are mixed, then the catalyst is added, and the reaction is carried out for a period of time under a certain temperature condition, thus obtaining the finished product of the organic silicon lubricating oil. The finished product can be adsorbed on a metal or nonmetal surface at room temperature to form a colorless and transparent nano molecular layer which is invisible to naked eyes and can play a role in protection and lubrication. The finished product can be used as an antifriction lubricating additive to be added into various base oils to improve the wear resistance and load resistance of the lubricating oil, and can also be used as a single lubricant to be coated on the metal or nonmetal surface without additionally adding lubricating oil, thereby playing the roles of reducing the frictional resistance of a sliding surface and improving the sliding performance of the sliding surface.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
The invention relates to an active organic silicon lubricant, which is characterized in that: the composition comprises the following components in parts by weight:
main material 100-
Solvent 100-150-
5-15 of catalyst.
The preferred scheme is as follows: the composition comprises the following components in parts by weight:
the main material 170
Solvent 120
A catalyst 10.
The main material is one or more of room temperature vulcanized silicone rubber 107-10000, room temperature vulcanized silicone rubber 107-800 and silicone oil or isopropanol. The solvent is one or more of petroleum ether, pseudocumene, D60, D100 or isododecane. The raw material of the catalyst is selected from one or more of methacryloxypropyl methyldiethoxysilane, 3-methacryloxypropyl methyldimethoxysilane, 3-mercaptopropyl triethoxysilane, 3-urea propyl trimethoxysilane or cyclohexylamino propyl trimethoxysilane.
The preparation method of the catalyst comprises the following steps:
adding catalyst raw materials into a reaction vessel;
heating a reaction kettle, controlling the reaction temperature of materials to be 80-100 ℃ and the reaction time to be 4-6 hours; the preferred scheme is as follows: the reaction temperature is 90 ℃ and the reaction time is 5 hours
And after the reaction is finished, cooling to normal temperature to obtain the catalyst.
The preparation method of the active organic silicon lubricant comprises the following steps:
mixing the main material and the solvent; adding the mixture and a catalyst into a reaction kettle, and sealing and stirring; after the reflux cooling device is started, heating the reaction kettle, and after steam reflux occurs, controlling the reaction temperature of the materials to be 90-120 ℃ and the reaction time to be 8-12 hours; and after the reaction is finished, cooling to below 40 ℃ to obtain the finished product of the active organic silicon lubricant.
Example 1
Preparing a catalyst: 50g of cyclohexylaminopropyltrimethoxysilane and 50g of 3-ureidopropyltrimethoxysilane were charged in a 200ml dry three-necked flask. Starting a stirring device to stir in a sealed way, then starting a heating device to heat to 90 ℃, controlling the temperature to react for 5 hours, and taking out.
Preparation of active silicone lubricant: sequentially adding 60g of 10000-type room temperature vulcanized silicone rubber 107, 60g of 800-type room temperature vulcanized silicone rubber 107, 30g of 201-350 silicone oil, 20g of isopropanol, 90g of D60 solvent and 30g of pseudocumene into a 500ml dry three-neck flask, starting a stirring device, sealing and stirring uniformly, stopping stirring, adding 10g of catalyst, restarting stirring, and sealing and stirring. And (3) after the reflux cooling device is started, heating the three-neck flask, controlling the reaction temperature of the materials to be 100 ℃ after steam reflux occurs, controlling the reaction time to be 10 hours, cooling to normal temperature after the reaction is finished, and taking out the product.
Example 2
Preparing a catalyst: 50g of cyclohexylaminopropyltrimethoxysilane and 50g of 3-ureidopropyltrimethoxysilane were charged in a 200ml dry three-necked flask. Starting a stirring device to stir in a sealed way, then starting a heating device to heat to 80 ℃, controlling the temperature to react for 6 hours, and taking out.
Preparation of active silicone lubricant: sequentially adding 60g of 10000-type room temperature vulcanized silicone rubber 107, 60g of 800-type room temperature vulcanized silicone rubber 107, 30g of 201-350 silicone oil, 20g of isopropanol, 90g of D60 solvent and 30g of pseudocumene into a 500ml dry three-neck flask, starting a stirring device, sealing and stirring uniformly, stopping stirring, adding 10g of catalyst, restarting stirring, and sealing and stirring. And (3) after the reflux cooling device is started, heating the three-neck flask, controlling the reaction temperature of the materials to be 90 ℃ after steam reflux occurs, controlling the reaction time to be 12 hours, cooling to normal temperature after the reaction is finished, and taking out the product.
Example 3
Preparing a catalyst: 50g of cyclohexylaminopropyltrimethoxysilane and 50g of 3-ureidopropyltrimethoxysilane were charged in a 200ml dry three-necked flask. Starting a stirring device to stir in a sealed way, then starting a heating device to heat to 100 ℃, controlling the temperature to react for 4 hours, and taking out.
Preparation of active silicone lubricant: sequentially adding 60g of 10000-type room temperature vulcanized silicone rubber 107, 60g of 800-type room temperature vulcanized silicone rubber 107, 30g of 201-350 silicone oil, 20g of isopropanol, 90g of D60 solvent and 30g of pseudocumene into a 500ml dry three-neck flask, starting a stirring device, sealing and stirring uniformly, stopping stirring, adding 10g of catalyst, restarting stirring, and sealing and stirring. And (3) after the reflux cooling device is started, heating the three-neck flask, controlling the reaction temperature of the materials to be 110 ℃ after steam reflux occurs, controlling the reaction time to be 9 hours, cooling to normal temperature after the reaction is finished, and taking out the product.
Example 4
Preparing a catalyst: 50g of 3-methacryloxypropylmethyldimethoxysilane and 50g of 3-mercaptopropyltriethoxysilane were charged into a 200ml dry three-necked flask. Starting a stirring device to stir in a sealed way, then starting a heating device to heat to 80 ℃, controlling the temperature to react for 6 hours, and taking out.
Preparation of active silicone lubricant: adding 70g of room temperature vulcanized silicone rubber 107-10000, 70g of room temperature vulcanized silicone rubber 107-800, 30g of isopropanol, 90g of isododecane and 30g of pseudocumene into a 500ml dry three-neck flask in sequence, starting a stirring device, stirring uniformly in a sealed manner, stopping stirring, adding 10g of catalyst, starting stirring again, and stirring in a sealed manner. And (3) after the reflux cooling device is started, heating the three-neck flask, controlling the reaction temperature of the materials to be 90 ℃ after steam reflux occurs, controlling the reaction time to be 12 hours, cooling to normal temperature after the reaction is finished, and taking out the product.
Test example
1. Finished product lubricity test
Immersing tens of rubber pistons in the solution prepared by the organic silicon lubricant, taking out the pistons, drying the pistons at 20-25 ℃, randomly extracting ten pistons, evaluating the lubricating films formed on the surfaces of the ten pistons respectively, and extracting ten pistons for a lubricating test
The lubricity is tested by adopting a sliding friction tester, and the specific steps are as follows: and (3) enabling the piston to slide relatively in the plastic sleeve at the speed of 100mm/min by using a sliding friction instrument, displaying the force value change in the sliding process in real time by using equipment, automatically recording the measured maximum peak force, taking the measured maximum peak force as the sliding property detection result value of the piston, and taking the average value of ten detection results as an evaluation value to evaluate the friction force. The results are shown in table 1:
table 1: evaluation of frictional force
The pistons treated by the organic silicon lubricants of the examples 1 to 4 are respectively subjected to a sliding friction force test, and evaluation values of the pistons are all less than 2N, which shows that the organic silicon lubricants of the invention have excellent lubricating performance.
2. Physical and chemical properties of lubricant
TABLE 2 Lubricant physico-chemical Properties
| Appearance of the product | Clear, clear oily substance |
| Density of | 0.975 |
| Kinematic viscosity (mpa.s) | 1500 |
| Surface tension | Less than 50Mn/m |
3. Experimental result of adding finished product serving as wear-resistant lubricant into oil product
The prepared silicone lubricant is added into the base oil 150SN according to the proportion of 5 percent and 10 percent respectively, and a four-ball friction tester is adopted to measure the lubricity. Meanwhile, a certain commercially available ester lubricant B is taken as a comparative example, and is added into the base oil 150SN according to the proportion of 5% and 10% for testing.
Table 3: test results
| Sample (I) | Pb value |
| Pure 150SN base oil | 44kg |
| 95％150SN+5％B | 77kg |
| 90％150SN+10％B | 108kg |
| Finished product of 95% 150SN + 5% organosilicon lubricant | 86kg |
| Finished product of 95% 150SN + 10% organosilicon lubricant | 125kg |
The comparison shows that the finished product of the organic silicon lubricant has better lubricating property than the commercial ester lubricant B, and can provide better lubricating property for the base oil.
Claims (8)
1. An active silicone lubricant characterized by: the composition comprises the following components in parts by weight:
main material 100-
Solvent 100-150-
5-15 of catalyst.
2. The active silicone lubricant of claim 1, characterized in that: the composition comprises the following components in parts by weight:
the main material 170
Solvent 120
A catalyst 10.
3. The active silicone lubricant of claim 2, characterized in that: the main material is one or more of room temperature vulcanized silicone rubber 107-10000, room temperature vulcanized silicone rubber 107-800 and silicone oil or isopropanol.
4. The active silicone lubricant of claim 3, characterized in that: the solvent is one or more of petroleum ether, pseudocumene, D60, D100 or isododecane.
5. The active silicone lubricant according to claim 4, characterized in that: the raw material of the catalyst is selected from one or more of methacryloxypropyl methyldiethoxysilane, 3-methacryloxypropyl methyldimethoxysilane, 3-mercaptopropyl triethoxysilane, 3-urea propyl trimethoxysilane or cyclohexylamino propyl trimethoxysilane.
6. The active silicone lubricant according to claim 5, characterized in that: the catalyst is prepared from cyclohexylaminopropyl trimethoxy silane and 3-ureidopropyltrimethoxy silane in a weight ratio of 1: 1.
7. The active silicone lubricant of claim 6, characterized in that: the preparation method of the catalyst comprises the following steps:
adding raw materials of a catalyst into a reaction vessel;
heating the reaction container, and reacting the raw materials;
and thirdly, cooling after the reaction is finished to obtain the catalyst.
8. The method of preparing an active silicone lubricant according to claim 7, characterized in that: the method comprises the following steps:
mixing the main material and the solvent;
adding a catalyst, heating and reacting for a period of time;
and cooling after the reaction is finished to obtain a finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011621969.2A CN112778526A (en) | 2020-12-31 | 2020-12-31 | Active organic silicon lubricant and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011621969.2A CN112778526A (en) | 2020-12-31 | 2020-12-31 | Active organic silicon lubricant and preparation method thereof |
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| CN112778526A true CN112778526A (en) | 2021-05-11 |
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| CN202011621969.2A Withdrawn CN112778526A (en) | 2020-12-31 | 2020-12-31 | Active organic silicon lubricant and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099409A (en) * | 1993-07-23 | 1995-03-01 | 罗纳-布朗克特殊化学公司 | Non-hydrogen evolving siloxane-based lubricant composition |
| CN108048181A (en) * | 2017-12-07 | 2018-05-18 | 山东冬瑞高新技术开发有限公司 | A kind of lubricant oil composite |
| CN109797027A (en) * | 2019-01-22 | 2019-05-24 | 东莞市港田高分子材料有限公司 | A kind of High Performance Insulation lubricating grease and preparation method thereof |
-
2020
- 2020-12-31 CN CN202011621969.2A patent/CN112778526A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099409A (en) * | 1993-07-23 | 1995-03-01 | 罗纳-布朗克特殊化学公司 | Non-hydrogen evolving siloxane-based lubricant composition |
| CN108048181A (en) * | 2017-12-07 | 2018-05-18 | 山东冬瑞高新技术开发有限公司 | A kind of lubricant oil composite |
| CN109797027A (en) * | 2019-01-22 | 2019-05-24 | 东莞市港田高分子材料有限公司 | A kind of High Performance Insulation lubricating grease and preparation method thereof |
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Application publication date: 20210511 |