CN109943402A - It is a kind of to synthesize low charcoal type ultra high temperature lubricating grease and preparation method - Google Patents
It is a kind of to synthesize low charcoal type ultra high temperature lubricating grease and preparation method Download PDFInfo
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Abstract
It is a kind of to synthesize low charcoal type ultra high temperature lubricating grease and preparation method, including trimellitate, polyisobutene, polyureas and functional additive；Wherein polyureas includes MDI, tallow amine and cyclohexylamine；Functional additive includes high-temperature antioxidant, anti-copper corrosion additive, ferrous metal antirust, anticorrosive agent, flame-resistant lubricant, fire-proof smoke suppressor, superhigh temperature solid lubricant.Firstly, the preparation synthesis polyurea grease in rouge kettle processed；Then, material temperature in kettle is risen to 120~130 DEG C, until moisture is forced out only completely in kettle；Material temperature in kettle is risen to 170 ± 3 DEG C, and is kept at this temperature about 10 minutes.Start cooling system, when material temperature in kettle is down to 150 DEG C, sequentially metered functional additive, obtains synthesizing low charcoal type ultra high temperature lubricating grease.Product of the present invention performance is comprehensive, excellent, and bearing capacity is strong, and antiwear and antifriction is good, and adhesiveness is good, resistant to high temperatures, superhigh temperature ability is strong, and carbon deposit is inclined to low, long service life, and cost performance is high.
Description
Technical field
The present invention relates to a kind of low charcoal type ultra high temperature lubricating grease of synthesis and preparation methods, belong to chemical materials reaction and combination
Technical field.
Background technique
Currently, thering are many equipment to be in high temperature or superhigh temperature working environment in industries such as metallurgy, steel, petrochemical industry, chemical industry
In.As the stokehold track bearing of steel plant, it is directly faced with radiation, the baking of 1000 DEG C or more high temperature iron (steel) water, building ring
Border is extremely severe.
Known, the bearing in these working environments generally uses molybdenum disulfide lithium saponify and added with molybdenum disulfide
Complex calcium sulfonate rouge etc..These lubricating grease have clearly disadvantageous: 1, the dropping point of molybdenum disulfide lithium saponify is low, low using temperature,
Easily rouge is caused to be lost in work；2, all contain big viscosity dormant oil, easily coking at high temperature causes axis or bearing locking etc.
Accident；3, a large amount of burnt cigarette, or even kindling are easy to produce in use process；4, the maximum operation (service) temperature of molybdenum disulfide is 350 DEG C,
It is not able to satisfy the use condition of superhigh temperature；5, molybdenum disulfide can be oxidized at high temperature, so that corrosivity can be generated to metal.
Summary of the invention
The present invention is in view of the deficienciess of the prior art, provide a kind of low charcoal type ultra high temperature lubricating grease of synthesis and preparation side
Method, bearing capacity is strong, and antiwear and antifriction is good, and adhesiveness is good, and (250 DEG C) resistant to high temperatures and superhigh temperature performance (2200 DEG C) ability is strong；
It is that carbon deposit is inclined to extremely low trimellitic acid ester base oil, polyureas and ashless functional additive (hydroxide as used in formula
Except magnesium and zirconium oxide), the carbon deposit of product is inclined to extremely low, long service life, and cost performance is high.
The technical scheme to solve the above technical problems is that a kind of low charcoal type ultra high temperature lubricating grease of synthesis, described
The component and part ratio of lubricating grease are as follows:
100 parts of areidofat of synthesis: trimellitate is 74~85 parts, and polyisobutene is 10~15 parts, 5~11 parts of polyureas；
12.9~38.9 parts of functional additive: 0.5~3 part of high-temperature antioxidant, 0.1~0.3 part of anti-copper corrosion additive is black
0.1~0.8 part of non-ferrous metal antirust, anticorrosive agent, 2~8 parts of flame-resistant lubricant, 5~12 parts of fire-proof smoke suppressor, superhigh temperature solid lubrication
5~15 parts of agent；
In the polyureas, MDI is 2~4.4 parts, and tallow amine is 2~4.4 parts, and cyclohexylamine is 1~2.2 part.
As the preferred embodiment for synthesizing low charcoal type ultra high temperature lubricating grease, the trimellitate is SDPZ-2 and/or SDPZ-
3；The polyisobutene is PIB2400；The MDI is WANNATE MDI-100；The tallow amine is perfectly straight non-plus hydrogen tallow
Amine.
As the preferred embodiment for synthesizing low charcoal type ultra high temperature lubricating grease, the high-temperature antioxidant is di-iso-octyldiphenylamine
T516Z；The anti-copper corrosion additive is T706；The ferrous metal antirust, anticorrosive agent is alkenyl succinic acid T746；The resistance
Combustion lubricant is MCA；The fire-proof smoke suppressor is nanometric magnesium hydroxide；The superhigh temperature solid lubricant is nanoscale
Zirconium.
The embodiment of the present invention also provides a kind of synthesis low charcoal type ultra high temperature lubricating grease preparation method, which is characterized in that including
Following steps:
1) according to output, accurately metering puts into 60~90% trimellitate and whole poly- isobutyls in rouge kettle processed
Alkene, stirring are warming up to 70~75 DEG C；
2) by the metered rouge kettle processed of tallow amine and cyclohexylamine, stirring is dissolved completely to tallow amine；
3) remaining trimellitate is dosed to MDI to dissolve in kettle, stirring is warming up to 70~75 DEG C；It is metered
MDI, stirring are completely melt and transparent to MDI；
4) in the case where rouge kettle processed stirs, MDI solution is pumped at a slow speed in rouge kettle processed, is heated up under stiring, rouge processed is made
Material isothermal reaction 30 ± 2 minutes between 85~95 DEG C in kettle；
5) pure water weighed up is added in rouge kettle processed, and continues constant temperature and is stirred to react 15 ± 1 minutes；
6) it is warming up to material in rouge kettle processed between 120~130 DEG C, keeps 10~30 points at this temperature
Clock；
7) material in rouge kettle processed is warming up to 170 ± 3 DEG C, stops heating, start cooling cycle；
8) when rouge temperature in the kettle processed is down to 150 DEG C, stop stirring, stop cooling cycle；Functional additive is disposable
Successively all it is added；Continue stirring to obtain synthesizing low charcoal type ultra high temperature lubricating grease for 20 minutes.
As the preferred embodiment for synthesizing low charcoal type ultra high temperature lubricating grease preparation method, the trimellitate is 74~85
Part, polyisobutene is 10~15 parts.
As the preferred embodiment for synthesizing low charcoal type ultra high temperature lubricating grease preparation method, the trimellitate is SDPZ-2
And/or SDPZ-3；The polyisobutene is PIB2400.
As the preferred embodiment for synthesizing low charcoal type ultra high temperature lubricating grease preparation method, the MDI is 2~4.4 parts, tallow amine
It is 2~4.4 parts, cyclohexylamine is 1~2.2 part.
As the preferred embodiment for synthesizing low charcoal type ultra high temperature lubricating grease preparation method, the MDI is WANNATE MDI-
100；The tallow amine is perfectly straight non-plus hydrogen tallow amine.
As the preferred embodiment for synthesizing low charcoal type ultra high temperature lubricating grease preparation method, the functional additive 12.9~38.9
Part: 0.5~3 part of high-temperature antioxidant, 0.1~0.3 part of anti-copper corrosion additive, 0.1~0.8 part of ferrous metal antirust, anticorrosive agent,
2~8 parts of flame-resistant lubricant, 5~12 parts of fire-proof smoke suppressor, 5~15 parts of superhigh temperature solid lubricant.
As the preferred embodiment for synthesizing low charcoal type ultra high temperature lubricating grease preparation method, the high-temperature antioxidant is diisooctyl
Diphenylamines T516Z；The anti-copper corrosion additive is T706；The ferrous metal antirust, anticorrosive agent is alkenyl succinic acid T746；
The flame-resistant lubricant is MCA；The fire-proof smoke suppressor is nanometric magnesium hydroxide；The superhigh temperature solid lubricant is nanometer
Grade zirconium oxide.
The beneficial effects of the present invention are: lubricating grease comprehensive performance is splendid, cost performance is high: bearing capacity is strong, antifriction antiwear
Good, adhesiveness is good, and high-temperature resistance is strong, resists the ability of 1000 DEG C or more superhigh temperature excellent, and carbon deposit tendency is extremely low, in use process
Smog is few, is not easy to catch fire, long service life, the lubrication of particularly suitable high temperature and the heavy load bearing in the work of/hyperthermal environments.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below with reference to subordinate list to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Referring to table 1, for the raw material for the low charcoal type ultra high temperature lubricating grease of synthesis that the embodiment of the present invention 1 is provided into embodiment 7
Composition and ratio.
Table 1 synthesizes the raw material composition and ratio of low charcoal type ultra high temperature lubricating grease
Wherein, the amount of the pure water of each embodiment is determined according to the amount of MDI 100, and 1 part of MDI 100 corresponds to
0.0887 part of pure water, the amount of pure water is the approximate number after rounding up in embodiment.
Embodiment 1:
The embodiment of the present invention 1 provides a kind of synthesis low charcoal type ultra high temperature lubricating grease, the component and parts by weight of the lubricating grease
Number ratio are as follows:
Synthesis areidofat 100kg: trimellitate 85kg, polyisobutene 10kg, polyureas 5kg；
Functional additive 12.9kg: high-temperature antioxidant 0.5kg, anti-copper corrosion additive 0.3kg, ferrous metal antirust, anti-corrosive
Agent 0.1kg, flame-resistant lubricant 2kg, fire-proof smoke suppressor 5kg, superhigh temperature solid lubricant 5kg；
In the polyureas of 5kg, MDI 2kg, tallow amine 2kg, cyclohexylamine 1kg.
The low charcoal type ultra high temperature lubricating grease of the synthesis of embodiment 1 the preparation method comprises the following steps:
1) according to output, it is different that gathering for the trimellitate and 10kg for putting into 51~76.5kg is accurately measured in rouge kettle processed
Butylene, stirring are warming up to 70~75 DEG C；
2) by the metered rouge kettle processed of 2kg tallow amine and 1kg cyclohexylamine, stirring is dissolved completely to tallow amine；
3) remaining trimellitate is dosed to MDI to dissolve in kettle, stirring is warming up to 70~75 DEG C；It is metered
The MDI of 2kg, stirring are completely melt and transparent to MDI；
4) in the case where rouge kettle processed stirs, MDI solution is pumped at a slow speed in rouge kettle processed, is heated up under stiring, rouge processed is made
Material isothermal reaction 30 ± 2 minutes between 85~95 DEG C in kettle；
5) the pure water 0.18Kg weighed up is added in rouge kettle processed, and continues constant temperature and is stirred to react 15 ± 1 minutes；
6) be warming up to material in rouge kettle processed between 120~130 DEG C, 120~130 DEG C at a temperature of keep
10~30 minutes；
7) material in rouge kettle processed is warming up to 170 ± 3 DEG C, stops heating, start cooling cycle；
8) when rouge temperature in the kettle processed is down to 150 DEG C, stop stirring, stop cooling cycle；The function of 12.9kg is added
Agent is disposably successively all added；Continue stirring to obtain synthesizing low charcoal type ultra high temperature lubricating grease for 20 minutes.
Embodiment 2:
The embodiment of the present invention 2 provides a kind of synthesis low charcoal type ultra high temperature lubricating grease, the component and parts by weight of the lubricating grease
Number ratio are as follows:
Synthesis areidofat 100kg: trimellitate 84kg, polyisobutene 10kg, polyureas 6kg；
Functional additive 20.4kg: high-temperature antioxidant 0.8kg, anti-copper corrosion additive 0.3kg, ferrous metal antirust, anti-corrosive
Agent 0.3kg, flame-resistant lubricant 3kg, fire-proof smoke suppressor 8kg, superhigh temperature solid lubricant 8kg；
In the polyureas of 6kg, MDI 2.4kg, tallow amine 2.4kg, cyclohexylamine 1.2kg.
The low charcoal type ultra high temperature lubricating grease of the synthesis of embodiment 2 the preparation method comprises the following steps:
1) according to output, accurately metering puts into the trimellitate of 50.4~75.6kg and gathering for 10kg in rouge kettle processed
Isobutene, stirring are warming up to 70~75 DEG C；
2) by the metered rouge kettle processed of 2.4kg tallow amine and 1.2kg cyclohexylamine, stirring is dissolved completely to tallow amine；
3) remaining trimellitate is dosed to MDI to dissolve in kettle, stirring is warming up to 70~75 DEG C；It is metered
The MDI of 2.4kg, stirring are completely melt and transparent to MDI；
4) in the case where rouge kettle processed stirs, MDI solution is pumped at a slow speed in rouge kettle processed, is heated up under stiring, rouge processed is made
Material isothermal reaction 30 ± 2 minutes between 85~95 DEG C in kettle；
5) pure water 0.22 weighed up is added in rouge kettle processed, and continues constant temperature and is stirred to react 15 ± 1 minutes；
6) be warming up to material in rouge kettle processed between 120~130 DEG C, 120~130 DEG C at a temperature of keep
10~30 minutes；
7) material in rouge kettle processed is warming up to 170 ± 3 DEG C, stops heating, start cooling cycle；
8) when rouge temperature in the kettle processed is down to 150 DEG C, stop stirring, stop cooling cycle；The function of 20.4kg is added
Agent is disposably successively all added；Continue stirring to obtain synthesizing low charcoal type ultra high temperature lubricating grease for 20 minutes.
Embodiment 3:
The embodiment of the present invention 3 provides a kind of synthesis low charcoal type ultra high temperature lubricating grease, the component and parts by weight of the lubricating grease
Number ratio are as follows:
Synthesis areidofat 100kg: trimellitate 81g, polyisobutene 11.5kg, polyureas 7.5kg；
Functional additive 26.7kg: high-temperature antioxidant 1kg, anti-copper corrosion additive 0.3kg, ferrous metal antirust, anticorrosive agent
0.4kg, flame-resistant lubricant 5kg, fire-proof smoke suppressor 10kg, superhigh temperature solid lubricant 10kg；
In the polyureas of 7.5kg, MDI 3kg, tallow amine 3kg, cyclohexylamine 1.5kg.
The low charcoal type ultra high temperature lubricating grease of the synthesis of embodiment 3 the preparation method comprises the following steps:
1) according to output, the trimellitate and 11.5kg for putting into 48.6~72.9kg are accurately measured in rouge kettle processed
Polyisobutene, stirring are warming up to 70~75 DEG C；
2) by the metered rouge kettle processed of 3kg tallow amine and 1.5kg cyclohexylamine, stirring is dissolved completely to tallow amine；
3) remaining trimellitate is dosed to MDI to dissolve in kettle, stirring is warming up to 70~75 DEG C；It is metered
The MDI of 3kg, stirring are completely melt and transparent to MDI；
4) in the case where rouge kettle processed stirs, MDI solution is pumped at a slow speed in rouge kettle processed, is heated up under stiring, rouge processed is made
Material isothermal reaction 30 ± 2 minutes between 85~95 DEG C in kettle；
5) the pure water 0.27Kg weighed up is added in rouge kettle processed, and continues constant temperature and is stirred to react 15 ± 1 minutes；
6) be warming up to material in rouge kettle processed between 120~130 DEG C, 120~130 DEG C at a temperature of keep
10~30 minutes；
7) material in rouge kettle processed is warming up to 170 ± 3 DEG C, stops heating, start cooling cycle；
8) when rouge temperature in the kettle processed is down to 150 DEG C, stop stirring, stop cooling cycle；The function of 26.7kg is added
Agent is disposably successively all added；Continue stirring to obtain synthesizing low charcoal type ultra high temperature lubricating grease for 20 minutes.
Embodiment 4:
The embodiment of the present invention 4 provides a kind of synthesis low charcoal type ultra high temperature lubricating grease, the component and parts by weight of the lubricating grease
Number ratio are as follows:
Synthesis areidofat 100kg: trimellitate 80g, polyisobutene 12kg, polyureas 8kg；
Functional additive 29.2kg: high-temperature antioxidant 1.5kg, anti-copper corrosion additive 0.2kg, ferrous metal antirust, anti-corrosive
Agent 0.5kg, flame-resistant lubricant 6kg, fire-proof smoke suppressor 10kg, superhigh temperature solid lubricant 11kg；
In the polyureas of 8kg, MDI 3.2kg, tallow amine 3.2kg, cyclohexylamine 1.6kg.
The low charcoal type ultra high temperature lubricating grease of the synthesis of embodiment 4 the preparation method comprises the following steps:
1) according to output, accurately metering puts into the trimellitate of 48~72kg and the poly- isobutyl of 12kg in rouge kettle processed
Alkene, stirring are warming up to 70~75 DEG C；
2) by the metered rouge kettle processed of 3.2kg tallow amine and 1.6kg cyclohexylamine, stirring is dissolved completely to tallow amine；
3) remaining trimellitate is dosed to MDI to dissolve in kettle, stirring is warming up to 70~75 DEG C；It is metered
The MDI of 3.2kg, stirring are completely melt and transparent to MDI；
4) in the case where rouge kettle processed stirs, MDI solution is pumped at a slow speed in rouge kettle processed, is heated up under stiring, rouge processed is made
Material isothermal reaction 30 ± 2 minutes between 85~95 DEG C in kettle；
5) the pure water 0.29Kg weighed up is added in rouge kettle processed, and continues constant temperature and is stirred to react 15 ± 1 minutes；
6) be warming up to material in rouge kettle processed between 120~130 DEG C, 120~130 DEG C at a temperature of keep
10~30 minutes；
7) material in rouge kettle processed is warming up to 170 ± 3 DEG C, stops heating, start cooling cycle；
8) when rouge temperature in the kettle processed is down to 150 DEG C, stop stirring, stop cooling cycle；The function of 29.2kg is added
Agent is disposably successively all added；Continue stirring to obtain synthesizing low charcoal type ultra high temperature lubricating grease for 20 minutes.
Embodiment 5:
The embodiment of the present invention 5 provides a kind of synthesis low charcoal type ultra high temperature lubricating grease, the component and parts by weight of the lubricating grease
Number ratio are as follows:
Synthesis areidofat 100kg: trimellitate 78g, polyisobutene 13kg, polyureas 9kg；
Functional additive 31.8kg: high-temperature antioxidant 2kg, anti-copper corrosion additive 0.2kg, ferrous metal antirust, anticorrosive agent
0.6kg, flame-resistant lubricant 6kg, fire-proof smoke suppressor 11kg, superhigh temperature solid lubricant 12kg；
In the polyureas of 9kg, MDI 3.6kg, tallow amine 3.6kg, cyclohexylamine 1.8kg.
The low charcoal type ultra high temperature lubricating grease of the synthesis of embodiment 5 the preparation method comprises the following steps:
1) according to output, accurately metering puts into the trimellitate of 46.8~70.2kg and gathering for 13kg in rouge kettle processed
Isobutene, stirring are warming up to 70~75 DEG C；
2) by the metered rouge kettle processed of 3.6kg tallow amine and 1.8kg cyclohexylamine, stirring is dissolved completely to tallow amine；
3) remaining trimellitate is dosed to MDI to dissolve in kettle, stirring is warming up to 70~75 DEG C；It is metered
The MDI of 3.6kg, stirring are completely melt and transparent to MDI；
4) in the case where rouge kettle processed stirs, MDI solution is pumped at a slow speed in rouge kettle processed, is heated up under stiring, rouge processed is made
Material isothermal reaction 30 ± 2 minutes between 85~95 DEG C in kettle；
5) the pure water 0.32Kg weighed up is added in rouge kettle processed, and continues constant temperature and is stirred to react 15 ± 1 minutes；
6) be warming up to material in rouge kettle processed between 120~130 DEG C, 120~130 DEG C at a temperature of keep
10~30 minutes；
7) material in rouge kettle processed is warming up to 170 ± 3 DEG C, stops heating, start cooling cycle；
8) when rouge temperature in the kettle processed is down to 150 DEG C, stop stirring, stop cooling cycle；The function of 31.8kg is added
Agent is disposably successively all added；Continue stirring to obtain synthesizing low charcoal type ultra high temperature lubricating grease for 20 minutes.
Embodiment 6:
The embodiment of the present invention 6 provides a kind of synthesis low charcoal type ultra high temperature lubricating grease, the component and parts by weight of the lubricating grease
Number ratio are as follows:
Synthesis areidofat 100kg: trimellitate 76g, polyisobutene 14kg, polyureas 10kg；
Functional additive 35.3kg: high-temperature antioxidant 2.5kg, anti-copper corrosion additive 0.1kg, ferrous metal antirust, anti-corrosive
Agent 0.7kg, flame-resistant lubricant 7kg, fire-proof smoke suppressor 11kg, superhigh temperature solid lubricant 14kg；
In the polyureas of 10kg, MDI 4kg, tallow amine 4kg, cyclohexylamine 2kg.
The low charcoal type ultra high temperature lubricating grease of the synthesis of embodiment 6 the preparation method comprises the following steps:
1) according to output, accurately metering puts into the trimellitate of 45.6~68.4kg and gathering for 14kg in rouge kettle processed
Isobutene, stirring are warming up to 70~75 DEG C；
2) by the metered rouge kettle processed of 4kg tallow amine and 2kg cyclohexylamine, stirring is dissolved completely to tallow amine；
3) remaining trimellitate is dosed to MDI to dissolve in kettle, stirring is warming up to 70~75 DEG C；It is metered
The MDI of 4kg, stirring are completely melt and transparent to MDI；
4) in the case where rouge kettle processed stirs, MDI solution is pumped at a slow speed in rouge kettle processed, is heated up under stiring, rouge processed is made
Material isothermal reaction 30 ± 2 minutes between 85~95 DEG C in kettle；
5) the pure water 0.36Kg weighed up is added in rouge kettle processed, and continues constant temperature and is stirred to react 15 ± 1 minutes；
6) be warming up to material in rouge kettle processed between 120~130 DEG C, 120~130 DEG C at a temperature of keep
10~30 minutes；
7) material in rouge kettle processed is warming up to 170 ± 3 DEG C, stops heating, start cooling cycle；
8) when rouge temperature in the kettle processed is down to 150 DEG C, stop stirring, stop cooling cycle；The function of 35.3kg is added
Agent is disposably successively all added；Continue stirring to obtain synthesizing low charcoal type ultra high temperature lubricating grease for 20 minutes.
Embodiment 7:
The embodiment of the present invention 7 provides a kind of synthesis low charcoal type ultra high temperature lubricating grease, the component and parts by weight of the lubricating grease
Number ratio are as follows:
Synthesis areidofat 100kg: trimellitate 74g, polyisobutene 15kg, polyureas 11kg；
Functional additive 38.9kg: high-temperature antioxidant 3kg, anti-copper corrosion additive 0.1kg, ferrous metal antirust, anticorrosive agent
0.8kg, flame-resistant lubricant 8kg, fire-proof smoke suppressor 12kg, superhigh temperature solid lubricant 15kg；
In the polyureas of 11kg, MDI 4.4kg, tallow amine 4.4kg, cyclohexylamine 2kg.
The low charcoal type ultra high temperature lubricating grease of the synthesis of embodiment 6 the preparation method comprises the following steps:
1) according to output, accurately metering puts into the trimellitate of 44.4~66.6kg and gathering for 15kg in rouge kettle processed
Isobutene, stirring are warming up to 70~75 DEG C；
2) by the metered rouge kettle processed of 4.4kg tallow amine and 2kg cyclohexylamine, stirring is dissolved completely to tallow amine；
3) remaining trimellitate is dosed to MDI to dissolve in kettle, stirring is warming up to 70~75 DEG C；It is metered
The MDI of 4.4kg, stirring are completely melt and transparent to MDI；
4) in the case where rouge kettle processed stirs, MDI solution is pumped at a slow speed in rouge kettle processed, is heated up under stiring, rouge processed is made
Material isothermal reaction 30 ± 2 minutes between 85~95 DEG C in kettle；
5) the pure water 0.39Kg weighed up is added in rouge kettle processed, and continues constant temperature and is stirred to react 15 ± 1 minutes；
6) be warming up to material in rouge kettle processed between 120~130 DEG C, 120~130 DEG C at a temperature of keep
10~30 minutes；
7) material in rouge kettle processed is warming up to 170 ± 3 DEG C, stops heating, start cooling cycle；
8) when rouge temperature in the kettle processed is down to 150 DEG C, stop stirring, stop cooling cycle；The function of 38.9kg is added
Agent is disposably successively all added；Continue stirring to obtain synthesizing low charcoal type ultra high temperature lubricating grease for 20 minutes.
It is the performance data of optimum embodiment 3 of the present invention referring to table 2.
The low charcoal type ultra high temperature lubricating grease performance data of the synthesis of 2 optimum embodiment 3 of table
The lubricating grease of technical solution of the present invention production, comprehensive performance is splendid, and cost performance is high, and bearing capacity is strong, antifriction antiwear
Property it is good, adhesiveness is good, and high-temperature resistance is strong, resist 1000 DEG C or more superhigh temperature ability it is excellent, as formula used in be long-pending
Charcoal is inclined to extremely low trimellitic acid ester base oil, polyureas and ashless functional additive (except magnesium hydroxide and zirconium oxide), product
Carbon deposit tendency it is extremely low, smog is few in use process, be not easy to catch fire, safe to use, long service life, particularly suitable high temperature
With the lubrication of the heavy load bearing in the work of/hyperthermal environments.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of synthesize low charcoal type ultra high temperature lubricating grease, which is characterized in that the component and part ratio of the lubricating grease are as follows:
100 parts of areidofat of synthesis: trimellitate is 74~85 parts, and polyisobutene is 10~15 parts, 5~11 parts of polyureas；
12.9~38.9 parts of functional additive: 0.5~3 part of high-temperature antioxidant, 0.1~0.3 part of anti-copper corrosion additive, black gold
0.1~0.8 part of antirust, anticorrosive agent of category, 2~8 parts of flame-resistant lubricant, 5~12 parts of fire-proof smoke suppressor, superhigh temperature solid lubricant 5~
15 parts；
In the polyureas, MDI is 2~4.4 parts, and tallow amine is 2~4.4 parts, and cyclohexylamine is 1~2.2 part.
2. a kind of low charcoal type ultra high temperature lubricating grease of synthesis according to claim 1, which is characterized in that the trimellitate
For SDPZ-2 and/or SDPZ-3；The polyisobutene is PIB2400；The MDI is WANNATE MDI-100；The tallow amine
For perfectly straight non-plus hydrogen tallow amine.
3. a kind of low charcoal type ultra high temperature lubricating grease of synthesis according to claim 1, which is characterized in that the high-temperature antioxidant
For di-iso-octyldiphenylamine T516Z；The anti-copper corrosion additive is T706；The ferrous metal antirust, anticorrosive agent is allyl butyrate
Diacid T746；The flame-resistant lubricant is MCA；The fire-proof smoke suppressor is nanometric magnesium hydroxide；The superhigh temperature solid profit
Lubrication prescription is nanoscale zirconia.
4. a kind of synthesize low charcoal type ultra high temperature lubricating grease preparation method, which comprises the following steps:
1) according to output, accurately metering puts into 60~90% trimellitate and whole polyisobutene in rouge kettle processed,
Stirring is warming up to 70~75 DEG C；
2) by the metered rouge kettle processed of tallow amine and cyclohexylamine, stirring is dissolved completely to tallow amine；
3) remaining trimellitate is dosed to MDI to dissolve in kettle, stirring is warming up to 70~75 DEG C；Metered MDI,
Stirring is completely melt and transparent to MDI；
4) in the case where rouge kettle processed stirs, MDI solution is pumped at a slow speed in rouge kettle processed, is heated up under stiring, is made in rouge kettle processed
Material isothermal reaction 30 ± 2 minutes between 85~95 DEG C；
5) pure water weighed up is added in rouge kettle processed, and continues constant temperature and is stirred to react 15 ± 1 minutes；
6) it is warming up to material in rouge kettle processed between 120~130 DEG C, is kept for 10~30 minutes at this temperature；
7) material in rouge kettle processed is warming up to 170 ± 3 DEG C, stops heating, start cooling cycle；
8) when rouge temperature in the kettle processed is down to 150 DEG C, stop stirring, stop cooling cycle；Disposably successively by functional additive
All it is added；Continue stirring to obtain synthesizing low charcoal type ultra high temperature lubricating grease for 20 minutes.
5. a kind of low charcoal type ultra high temperature lubricating grease preparation method of synthesis according to claim 4, which is characterized in that it is described partially
Benzenetricarboxylic acid ester is 74~85 parts, and polyisobutene is 10~15 parts.
6. a kind of low charcoal type ultra high temperature lubricating grease preparation method of synthesis according to claim 5, which is characterized in that it is described partially
Benzenetricarboxylic acid ester is SDPZ-2 and/or SDPZ-3；The polyisobutene is PIB2400.
7. a kind of low charcoal type ultra high temperature lubricating grease preparation method of synthesis according to claim 4, which is characterized in that described
MDI is 2~4.4 parts, and tallow amine is 2~4.4 parts, and cyclohexylamine is 1~2.2 part.
8. a kind of low charcoal type ultra high temperature lubricating grease preparation method of synthesis according to claim 7, which is characterized in that described
MDI is WANNATE MDI-100；The tallow amine is perfectly straight non-plus hydrogen tallow amine.
9. a kind of low charcoal type ultra high temperature lubricating grease preparation method of synthesis according to claim 4, which is characterized in that the function
Can be 12.9~38.9 parts of additive: 0.5~3 part of high-temperature antioxidant, 0.1~0.3 part of anti-copper corrosion additive, ferrous metal antirust
0.1~0.8 part of preservative, 2~8 parts of flame-resistant lubricant, 5~12 parts of fire-proof smoke suppressor, 5~15 parts of superhigh temperature solid lubricant.
10. a kind of low charcoal type ultra high temperature lubricating grease preparation method of synthesis according to claim 9, which is characterized in that described
High-temperature antioxidant is di-iso-octyldiphenylamine T516Z；The anti-copper corrosion additive is T706；The ferrous metal antirust, anti-corrosive
Agent is alkenyl succinic acid T746；The flame-resistant lubricant is MCA；The fire-proof smoke suppressor is nanometric magnesium hydroxide；It is described super
High temperature solid lubricant is nanoscale zirconia.
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