CN105316092A - Plastic gear lubricating oil and preparation method thereof - Google Patents
Plastic gear lubricating oil and preparation method thereof Download PDFInfo
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- CN105316092A CN105316092A CN201510817245.8A CN201510817245A CN105316092A CN 105316092 A CN105316092 A CN 105316092A CN 201510817245 A CN201510817245 A CN 201510817245A CN 105316092 A CN105316092 A CN 105316092A
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Abstract
The invention provides plastic gear lubricating oil. The plastic gear lubricating oil is prepared from, by weight, 55-70 parts of base oil, 1-2 parts of antioxidant, 0.3-0.8 part of antirust agent, 0.5-1 part of defoaming agent, 2-5 parts of anti-wear reagent at extreme pressure, 2-3 parts of dispersing agent, 6-8 parts of thickening agent, 3-6 parts of tackifier, 8-12 parts of silicon phosphide and 6-9 parts of polyarylsulfone. The invention further provides a preparation method of the plastic gear lubricating oil. The plastic gear lubricating oil has good heat resistance, abrasion resistance and flame resistance.
Description
Technical field:
The present invention relates to a kind of plastic gear lubricating oil and preparation method thereof.
Background technology:
Plastic gear lubricating oil, based on petroleum oil base oil or ucon oil, add a kind of important lubricating oil that extreme pressure anti-wear additives, oiliness improver etc. regulate auxiliary agent modulation, for various wheel gearing, to prevent tooth surface abrasion, scratch, sintering etc., extend its work-ing life, improve transmitted power efficiency.Plastic gear lubricating oil is mainly applicable to plastic gear under various underloading or high-speed working condition, plastics moving parts, the lubrication of nylon cages bearing, protection and noise reduction; The plastic gear of office equipment, electronic toy, household electrical appliance, precision instrument, micromotor, timer and sound-track engraving apparatus, CD-ROM device, digital camera etc., the lubrication and protection etc. of sliding surface bearing.Plastic gear lubricating oil and ordinary gear lubricating oil have similarity, such as good wear-resistant, withstand load performance, suitable viscosity, and good thermal oxidation stability, anti-bubble, water separable performance energy and rustless property, but plastic gear is made of plastics, certain difference is had with common metal gear, the key distinction is for metal, all there is larger gap in the thermotolerance of plastics, wear resistance and flame retardant resistance, therefore the requirement of plastic gear lubricating oil in these is higher than ordinary gear lubricating oil accordingly.
Publication number is CN102776056B, publication date is 2014.04.02, application people is that the Chinese patent application of Sinopec Group discloses " a kind of open gear lubricatng composition and method of making the same ", is (55 ~ 93): (5 ~ 25) by weight ratio: the high viscosity synthetic base oil of (2 ~ 20), synthesizing ester base oil and additive form.Because the viscosity index of high viscosity synthetic base oil is high, high temperature performance good, frictional coefficient is lower, and the pour point of synthesizing ester base oil is low, to solubility of additive and susceptibility excellence, therefore, this invention by high viscosity synthetic base oil and synthesizing ester base oil with the use of, add appropriate additive simultaneously, ensure that lubricating oil composition has following features: have compared with high viscosity and fabulous viscosity-temperature characteristics energy, and be beneficial to formation and the maintenance of oil-bound film in oil product use procedure; There is excellent low temperature flowability in the open gear lubricatng of equal viscosity scope, expand its use temperature scope; Gear pair in use can be brought in the low fluid friction of load area, reduce the service temperature of gear and wheel gearing, improve gear efficiency.But, there is the not good problem of thermotolerance, wear resistance and flame retardant resistance in said composition, can not be used for the lubrication of plastic gear equally.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of plastic gear lubricating oil, and it has good thermotolerance, wear resistance and flame retardant resistance simultaneously.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of plastic gear lubricating oil, its component and parts by weight are: base oil 55 ~ 70 parts, 1 ~ 2 part, oxidation inhibitor, rust-preventive agent 0.3 ~ 0.8 part, defoamer 0.5 ~ 1 part, extreme pressure anti-wear additives 2 ~ 5 parts, dispersion agent 2 ~ 3 parts, viscosifying agent 6 ~ 8 parts, tackifier 3 ~ 6 parts, phosphatization silicon 8 ~ 12 parts, polyarylsulphone 6 ~ 9 parts.
Preferably, base oil of the present invention is refined mineral oil or synthetic ester lubricant.
Preferably, oxidation inhibitor of the present invention is antioxidant BHT.
Preferably, rust-preventive agent of the present invention is alkenyl succinic acid ester.
Preferably, defoamer of the present invention is methyl-silicone oil.
Preferably, extreme pressure anti-wear additives of the present invention is zinc dialkyl dithiophosphate.
Preferably, dispersion agent of the present invention is succimide.
Preferably, viscosifying agent of the present invention is lithium 12-hydroxy stearate.
Preferably, tackifier of the present invention are ethylene-propylene copolymer.
Another technical problem that the present invention will solve is to provide the preparation method of above-mentioned plastic gear lubricating oil.
For solving the problems of the technologies described above, technical scheme is:
A preparation method for plastic gear lubricating oil, its step is as follows:
(1) phosphatization silicon powder to be soaked in dehydrated alcohol 40 minutes, stir and obtain phosphatization silicon mixed solution after 50 minutes, titanate coupling agent is dissolved in dimethylbenzene, ultrasonic disperse adds in phosphatization silicon mixed solution after 30 minutes, regulate ph value to be that 9,80 DEG C of lower magnetic forces stir 30 minutes ultrasonic disperse 45 minutes, leave standstill taking-up after 10 hours, to put into after centrifugation at vacuum drying oven 90 DEG C dry 20 hours, obtain modification phosphatization silicon for subsequent use;
(2) by formula ratio, base oil, oxidation inhibitor, rust-preventive agent, defoamer, extreme pressure anti-wear additives, dispersion agent, viscosifying agent, tackifier are added in stirring tank, add polyarylsulphone by formula ratio to stirring tank after stirring, modification phosphatization silicon that step (1) obtains, stir 2 hours after being heated to 90 DEG C, after naturally cooling to room temperature, obtain plastic gear lubricating oil.
Therefore compared with prior art, the present invention has following beneficial effect:
1) phosphatization silicon is the inorganic materials that a kind of hardness is very high, there is stronger resistance to elevated temperatures and wear resisting property, but its surfaces hydrophilic, and surface energy is higher, difficulties in dispersion in base oil, easy reunion, therefore the present invention by titanate coupling agent to carrying out modification, one end of titanate coupling agent and the free protons of phosphatization silicon face and hydroxyl generation bonding reaction, phosphatization silicon face is coated on firmly chemical bond mode of connection, wetting ability is become hydrophobicity, and significantly reduce surface energy, improve the consistency between phosphatization silicon and base oil, phosphatization silicon is made to can be uniformly dispersed in base oil, simultaneously the other end of titanate coupling agent and base oil produce compact winding by Van der Waals force, interface binding power between phosphatization silicon and base oil is greatly improved, thus resistance to elevated temperatures and the wear resisting property of phosphatization silicon can be given full play to, greatly improve thermotolerance and the wear resistance of lubricating oil.
2) polyarylsulphone is the aromatic series polysulfones formed by phenyl ether, biphenyl, sulfuryl, and it has good fire-retardant self-extinguishing, effectively can improve the oxygen index of lubricating oil, thus greatly improve the flame retardant resistance of lubricating oil after making an addition to base oil; In addition, the hardness of polyarylsulphone is higher, and resistance to elevated temperatures, wear resisting property are all better, therefore can improve thermotolerance and the wear resistance of lubricating oil further.
Embodiment:
Describe the present invention in detail below in conjunction with specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment 1
Plastic gear lubricating oil, its component and parts by weight are: refined mineral oil 55 parts, antioxidant BHT 1.5 parts, alkenyl succinic acid ester 0.8 part, methyl-silicone oil 0.7 part, zinc dialkyl dithiophosphate 4 parts, succimide 2.5 parts, lithium 12-hydroxy stearate 6.5 parts, ethylene-propylene copolymer 5 parts, phosphatization silicon 10 parts, polyarylsulphone 8 parts.
The step of its preparation method is as follows:
(1) phosphatization silicon powder to be soaked in dehydrated alcohol 40 minutes, stir and obtain phosphatization silicon mixed solution after 50 minutes, titanate coupling agent is dissolved in dimethylbenzene, ultrasonic disperse adds in phosphatization silicon mixed solution after 30 minutes, regulate ph value to be that 9,80 DEG C of lower magnetic forces stir 30 minutes ultrasonic disperse 45 minutes, leave standstill taking-up after 10 hours, to put into after centrifugation at vacuum drying oven 90 DEG C dry 20 hours, obtain modification phosphatization silicon for subsequent use;
(2) by formula ratio, refined mineral oil, antioxidant BHT, alkenyl succinic acid ester, methyl-silicone oil, zinc dialkyl dithiophosphate, succimide, lithium 12-hydroxy stearate, ethylene-propylene copolymer are added in stirring tank, add polyarylsulphone by formula ratio to stirring tank after stirring, modification phosphatization silicon that step (1) obtains, stir 2 hours after being heated to 90 DEG C, after naturally cooling to room temperature, obtain plastic gear lubricating oil.
Embodiment 2
Plastic gear lubricating oil, its component and parts by weight are: refined mineral oil 65 parts, antioxidant BHT 2 parts, alkenyl succinic acid ester 0.4 part, methyl-silicone oil 0.5 part, zinc dialkyl dithiophosphate 3.5 parts, succimide 2.4 parts, lithium 12-hydroxy stearate 6 parts, ethylene-propylene copolymer 4.5 parts, phosphatization silicon 11.5 parts, polyarylsulphone 9 parts.
The step of its preparation method is as follows:
(1) phosphatization silicon powder to be soaked in dehydrated alcohol 40 minutes, stir and obtain phosphatization silicon mixed solution after 50 minutes, titanate coupling agent is dissolved in dimethylbenzene, ultrasonic disperse adds in phosphatization silicon mixed solution after 30 minutes, regulate ph value to be that 9,80 DEG C of lower magnetic forces stir 30 minutes ultrasonic disperse 45 minutes, leave standstill taking-up after 10 hours, to put into after centrifugation at vacuum drying oven 90 DEG C dry 20 hours, obtain modification phosphatization silicon for subsequent use;
(2) by formula ratio, refined mineral oil, antioxidant BHT, alkenyl succinic acid ester, methyl-silicone oil, zinc dialkyl dithiophosphate, succimide, lithium 12-hydroxy stearate, ethylene-propylene copolymer are added in stirring tank, add polyarylsulphone by formula ratio to stirring tank after stirring, modification phosphatization silicon that step (1) obtains, stir 2 hours after being heated to 90 DEG C, after naturally cooling to room temperature, obtain plastic gear lubricating oil.
Embodiment 3
Plastic gear lubricating oil, its component and parts by weight are: synthetic ester lubricant 70 parts, antioxidant BHT 1.4 parts, alkenyl succinic acid ester 0.5 part, methyl-silicone oil 0.9 part, zinc dialkyl dithiophosphate 2 parts, succimide 2.8 parts, lithium 12-hydroxy stearate 7.5 parts, ethylene-propylene copolymer 6 parts, phosphatization silicon 11 parts, polyarylsulphone 8.5 parts.
The step of its preparation method is as follows:
(1) phosphatization silicon powder to be soaked in dehydrated alcohol 40 minutes, stir and obtain phosphatization silicon mixed solution after 50 minutes, titanate coupling agent is dissolved in dimethylbenzene, ultrasonic disperse adds in phosphatization silicon mixed solution after 30 minutes, regulate ph value to be that 9,80 DEG C of lower magnetic forces stir 30 minutes ultrasonic disperse 45 minutes, leave standstill taking-up after 10 hours, to put into after centrifugation at vacuum drying oven 90 DEG C dry 20 hours, obtain modification phosphatization silicon for subsequent use;
(2) by formula ratio, synthetic ester lubricant, antioxidant BHT, alkenyl succinic acid ester, methyl-silicone oil, zinc dialkyl dithiophosphate, succimide, lithium 12-hydroxy stearate, ethylene-propylene copolymer are added in stirring tank, add polyarylsulphone by formula ratio to stirring tank after stirring, modification phosphatization silicon that step (1) obtains, stir 2 hours after being heated to 90 DEG C, after naturally cooling to room temperature, obtain plastic gear lubricating oil.
Embodiment 4
Plastic gear lubricating oil, its component and parts by weight are: synthetic ester lubricant 60 parts, antioxidant BHT 1.2 parts, alkenyl succinic acid ester 0.6 part, methyl-silicone oil 0.6 part, zinc dialkyl dithiophosphate 5 parts, succimide 2 parts, lithium 12-hydroxy stearate 8 parts, ethylene-propylene copolymer 4 parts, phosphatization silicon 8 parts, polyarylsulphone 7.5 parts.
The step of its preparation method is as follows:
(1) phosphatization silicon powder to be soaked in dehydrated alcohol 40 minutes, stir and obtain phosphatization silicon mixed solution after 50 minutes, titanate coupling agent is dissolved in dimethylbenzene, ultrasonic disperse adds in phosphatization silicon mixed solution after 30 minutes, regulate ph value to be that 9,80 DEG C of lower magnetic forces stir 30 minutes ultrasonic disperse 45 minutes, leave standstill taking-up after 10 hours, to put into after centrifugation at vacuum drying oven 90 DEG C dry 20 hours, obtain modification phosphatization silicon for subsequent use;
(2) by formula ratio, synthetic ester lubricant, antioxidant BHT, alkenyl succinic acid ester, methyl-silicone oil, zinc dialkyl dithiophosphate, succimide, lithium 12-hydroxy stearate, ethylene-propylene copolymer are added in stirring tank, add polyarylsulphone by formula ratio to stirring tank after stirring, modification phosphatization silicon that step (1) obtains, stir 2 hours after being heated to 90 DEG C, after naturally cooling to room temperature, obtain plastic gear lubricating oil.
Embodiment 5
Plastic gear lubricating oil, its component and parts by weight are: synthetic ester lubricant 66 parts, antioxidant BHT 1 part, alkenyl succinic acid ester 0.7 part, methyl-silicone oil 0.8 part, zinc dialkyl dithiophosphate 4.5 parts, succimide 3 parts, lithium 12-hydroxy stearate 7.7 parts, ethylene-propylene copolymer 3 parts, phosphatization silicon 12 parts, polyarylsulphone 6 parts.
The step of its preparation method is as follows:
(1) phosphatization silicon powder to be soaked in dehydrated alcohol 40 minutes, stir and obtain phosphatization silicon mixed solution after 50 minutes, titanate coupling agent is dissolved in dimethylbenzene, ultrasonic disperse adds in phosphatization silicon mixed solution after 30 minutes, regulate ph value to be that 9,80 DEG C of lower magnetic forces stir 30 minutes ultrasonic disperse 45 minutes, leave standstill taking-up after 10 hours, to put into after centrifugation at vacuum drying oven 90 DEG C dry 20 hours, obtain modification phosphatization silicon for subsequent use;
(2) by formula ratio, synthetic ester lubricant, antioxidant BHT, alkenyl succinic acid ester, methyl-silicone oil, zinc dialkyl dithiophosphate, succimide, lithium 12-hydroxy stearate, ethylene-propylene copolymer are added in stirring tank, add polyarylsulphone by formula ratio to stirring tank after stirring, modification phosphatization silicon that step (1) obtains, stir 2 hours after being heated to 90 DEG C, after naturally cooling to room temperature, obtain plastic gear lubricating oil.
Embodiment 6
Plastic gear lubricating oil, its component and parts by weight are: refined mineral oil 64 parts, antioxidant BHT 1.8 parts, alkenyl succinic acid ester 0.3 part, methyl-silicone oil 1 part, zinc dialkyl dithiophosphate 3 parts, succimide 2.7 parts, lithium 12-hydroxy stearate 7 parts, ethylene-propylene copolymer 5.5 parts, phosphatization silicon 9 parts, polyarylsulphone 7 parts.
The step of its preparation method is as follows:
(1) phosphatization silicon powder to be soaked in dehydrated alcohol 40 minutes, stir and obtain phosphatization silicon mixed solution after 50 minutes, titanate coupling agent is dissolved in dimethylbenzene, ultrasonic disperse adds in phosphatization silicon mixed solution after 30 minutes, regulate ph value to be that 9,80 DEG C of lower magnetic forces stir 30 minutes ultrasonic disperse 45 minutes, leave standstill taking-up after 10 hours, to put into after centrifugation at vacuum drying oven 90 DEG C dry 20 hours, obtain modification phosphatization silicon for subsequent use;
(2) by formula ratio, refined mineral oil, antioxidant BHT, alkenyl succinic acid ester, methyl-silicone oil, zinc dialkyl dithiophosphate, succimide, lithium 12-hydroxy stearate, ethylene-propylene copolymer are added in stirring tank, add polyarylsulphone by formula ratio to stirring tank after stirring, modification phosphatization silicon that step (1) obtains, stir 2 hours after being heated to 90 DEG C, after naturally cooling to room temperature, obtain plastic gear lubricating oil.
After tested, the thermotolerance of embodiment 1-6 and comparative example, wear resistance, flame retardant resistance are as shown in the table, wherein,
The Chinese patent of comparative example to be publication number be CN102776056B;
Thermotolerance adopts the heat decomposition temperature of thermogravimetry test determinand, and this numerical value is higher shows that thermotolerance is better;
Wearability test carries out on four ball frictional testing machiness, and test the maximum capacity load of measured oil according to GB3142-82 and measure the wear scar diameter of steel ball, maximum load load is larger, the less then wear resistance of wear scar diameter is better;
Flame retardant resistance tests the oxygen index of measured oil according to GB/T2406-2008, and oxygen index more high flame retardant is better:
As seen from the above table, the heat decomposition temperature of embodiment of the present invention 1-6, maximum load load and oxygen index are all apparently higher than comparative example, and wear scar diameter is then significantly less than comparative example, shows that thermotolerance of the present invention, wear resistance, flame retardant resistance are all better.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a plastic gear lubricating oil, it is characterized in that: its component and parts by weight are: base oil 55 ~ 70 parts, 1 ~ 2 part, oxidation inhibitor, rust-preventive agent 0.3 ~ 0.8 part, defoamer 0.5 ~ 1 part, extreme pressure anti-wear additives 2 ~ 5 parts, dispersion agent 2 ~ 3 parts, viscosifying agent 6 ~ 8 parts, tackifier 3 ~ 6 parts, phosphatization silicon 8 ~ 12 parts, polyarylsulphone 6 ~ 9 parts.
2. a kind of plastic gear lubricating oil according to claim 1, is characterized in that: described base oil is refined mineral oil or synthetic ester lubricant.
3. a kind of plastic gear lubricating oil according to claim 1, is characterized in that: described oxidation inhibitor is antioxidant BHT.
4. a kind of plastic gear lubricating oil according to claim 1, is characterized in that: described rust-preventive agent is alkenyl succinic acid ester.
5. a kind of plastic gear lubricating oil according to claim 1, is characterized in that: described defoamer is methyl-silicone oil.
6. a kind of plastic gear lubricating oil according to claim 1, is characterized in that: described extreme pressure anti-wear additives is zinc dialkyl dithiophosphate.
7. a kind of plastic gear lubricating oil according to claim 1, is characterized in that: described dispersion agent is succimide.
8. a kind of plastic gear lubricating oil according to claim 1, is characterized in that: described viscosifying agent is lithium 12-hydroxy stearate.
9. a kind of plastic gear lubricating oil according to claim 1, is characterized in that: described tackifier are ethylene-propylene copolymer.
10. the preparation method of a kind of plastic gear lubricating oil according to claim 1 ~ 9 any one, is characterized in that: its step is as follows:
(1) phosphatization silicon powder to be soaked in dehydrated alcohol 40 minutes, stir and obtain phosphatization silicon mixed solution after 50 minutes, titanate coupling agent is dissolved in dimethylbenzene, ultrasonic disperse adds in phosphatization silicon mixed solution after 30 minutes, regulate ph value to be that 9,80 DEG C of lower magnetic forces stir 30 minutes ultrasonic disperse 45 minutes, leave standstill taking-up after 10 hours, to put into after centrifugation at vacuum drying oven 90 DEG C dry 20 hours, obtain modification phosphatization silicon for subsequent use;
(2) by formula ratio, base oil, oxidation inhibitor, rust-preventive agent, defoamer, extreme pressure anti-wear additives, dispersion agent, viscosifying agent, tackifier are added in stirring tank, add polyarylsulphone by formula ratio to stirring tank after stirring, modification phosphatization silicon that step (1) obtains, stir 2 hours after being heated to 90 DEG C, after naturally cooling to room temperature, obtain plastic gear lubricating oil.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108130178A (en) * | 2018-01-31 | 2018-06-08 | 厦门六烯科技有限公司 | A kind of fluorinated graphene enhancing lubricating oil and preparation method thereof |
| CN110591798A (en) * | 2019-09-25 | 2019-12-20 | 上海德联化工有限公司 | Engine oil with cleaning function for engine and preparation method thereof |
| CN112940824A (en) * | 2021-02-06 | 2021-06-11 | 中国科学院兰州化学物理研究所 | Application and preparation method of lubricating oil additive, high-temperature lubricating oil, preparation method and application |
| CN112940825A (en) * | 2021-02-06 | 2021-06-11 | 中国科学院兰州化学物理研究所 | Application of silicon phosphide quantum dots as lubricating oil additive, lubricating oil and preparation method and application thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130178A (en) * | 2018-01-31 | 2018-06-08 | 厦门六烯科技有限公司 | A kind of fluorinated graphene enhancing lubricating oil and preparation method thereof |
| CN108130178B (en) * | 2018-01-31 | 2021-03-23 | 厦门六烯科技有限公司 | Fluorinated graphene enhanced lubricating oil and preparation method thereof |
| CN110591798A (en) * | 2019-09-25 | 2019-12-20 | 上海德联化工有限公司 | Engine oil with cleaning function for engine and preparation method thereof |
| CN112940824A (en) * | 2021-02-06 | 2021-06-11 | 中国科学院兰州化学物理研究所 | Application and preparation method of lubricating oil additive, high-temperature lubricating oil, preparation method and application |
| CN112940825A (en) * | 2021-02-06 | 2021-06-11 | 中国科学院兰州化学物理研究所 | Application of silicon phosphide quantum dots as lubricating oil additive, lubricating oil and preparation method and application thereof |
| CN112940825B (en) * | 2021-02-06 | 2022-05-13 | 中国科学院兰州化学物理研究所 | Application of silicon phosphide quantum dots as lubricating oil additive, lubricating oil and preparation method and application thereof |
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Application publication date: 20160210 |