CN110408459A - A kind of high-performance composite aluminum base bentonite grease and preparation method thereof - Google Patents

A kind of high-performance composite aluminum base bentonite grease and preparation method thereof Download PDF

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Publication number
CN110408459A
CN110408459A CN201910661471.XA CN201910661471A CN110408459A CN 110408459 A CN110408459 A CN 110408459A CN 201910661471 A CN201910661471 A CN 201910661471A CN 110408459 A CN110408459 A CN 110408459A
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lubricating grease
accounts
total weight
performance composite
grease
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卢智聪
孔晓伟
马士建
刘城祥
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Nato Lubrication Technology (shanghai) Co Ltd
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Nato Lubrication Technology (shanghai) Co Ltd
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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
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
    • 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
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
    • 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • 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
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/141—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings monocarboxylic
    • 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/047—Thioderivatives not containing metallic elements
    • 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
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
    • 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
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
    • C10M2227/061—Esters derived from boron
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/26—Waterproofing or water resistance
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/68—Shear stability
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy

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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 present invention relates to lubrication technical field, specifically a kind of high-performance composite aluminum base bentonite grease and preparation method thereof.A kind of high-performance composite aluminum base bentonite grease and preparation method thereof, it is characterised in that: the lubricating grease is composed of base oil, fatty acid, aluminium isopropoxide, benzoic acid, clad aluminum thickening agent, organobentonite, water and additive；Base oil accounts for the 60.0~90.0% of lubricating grease total weight；Fatty acid accounts for the 1 ~ 5% of lubricating grease total weight；Aluminium isopropoxide accounts for the 1 ~ 5% of lubricating grease total weight；Benzoic acid accounts for the 1 ~ 5% of lubricating grease total weight；Clad aluminum thickening agent accounts for the 5 ~ 25% of lubricating grease total weight；Organobentonite accounts for the 2 ~ 10% of lubricating grease total weight.Compared with the existing technology, a kind of high-performance composite aluminum base bentonite grease and preparation method thereof is provided, which has many advantages, such as dropping point height, resistant to shearing, the fretting wear that abrasion resistance is good, excellent, excellent colloid stability, excellent thermal stability and ageing resistance.

Description

A kind of high-performance composite aluminum base bentonite grease and preparation method thereof
Technical field
The present invention relates to lubrication technical field, specifically a kind of high-performance composite aluminum base bentonite grease and its system Preparation Method.
Background technique
Composite aluminum base grease has many-sided good performance, and especially outstanding is pumping, can be used for centralized lubrication System.But since technique is more complex, extreme-pressure wear-resistant is not very well that colloid stability is general, by complex lithium, sulfoacid calcium base The restriction of rouge, polyurea grease etc. develops and unhappy, and by 2014, it is raw that the market share of China's aluminum complex grease only has lubricating grease Produce the 1.05% of total amount.
Summary of the invention
The present invention in order to overcome the deficiencies of the prior art, provides a kind of high-performance composite aluminum base bentonite grease and its preparation Method, the lubricating grease have dropping point height, resistant to shearing, the fretting wear that abrasion resistance is good, excellent, excellent colloid stability, excellent The advantages that different thermal stability and ageing resistance.
To achieve the above object, a kind of high-performance composite aluminum base bentonite grease and preparation method thereof, feature are designed Be: the lubricating grease by base oil, fatty acid, aluminium isopropoxide, benzoic acid, clad aluminum thickening agent, organobentonite, water and Additive is composed；Base oil accounts for the 60.0~90.0% of lubricating grease total weight；Fatty acid accounts for the 1 ~ 5% of lubricating grease total weight； Aluminium isopropoxide accounts for the 1 ~ 5% of lubricating grease total weight；Benzoic acid accounts for the 1 ~ 5% of lubricating grease total weight；Clad aluminum thickening agent accounts for lubricating grease The 5 ~ 25% of total weight；Organobentonite accounts for the 2 ~ 10% of lubricating grease total weight.
The base oil is one or more of naphthenic mineral oil, paraffin base mineral oil, polyalphaolefin synthetic oil group It closes.
The base oil is 40 oCAt a temperature of kinematic viscosity be 80 ~ 460 mm2/ s, pour point are less than -25oC。
The additive is one or more of nitrogen borate and 4- isopropoxy phenyl boric acid, thiophosphate, MCA Combination.
The fatty acid, carbon chain lengths are 12 ~ 24, and relative density is 0.8 ~ 0.9 (g/mL, 20/4 DEG C).
The aluminium isopropoxide, benzoic acid purity are 99.0% or more.
It is specific the preparation method is as follows:
(1) it is added and accounts for 50.0~75.0% base oil of lubricating grease gross weight, account for 1 ~ 5% fatty acid of lubricating grease gross weight, 1 ~ 5% Aluminium isopropoxide in reaction kettle；
(2) stirring is opened, 70 ~ 98 DEG C of progress first step reactions is gradually warming up to, continues 30 ~ 90min；
(3) benzoic acid for accounting for lubricating grease gross weight 1-5% is added, is slowly added dropwise 30 ~ 80 in reaction process and drips (drop of 1g ≈ 20), it is permanent 30 ~ 90min of temperature；
(4) be warming up to 110 ~ 140 DEG C, 10.0~15.0% base oil for accounting for lubricating grease gross weight be added, continue constant temperature 30 ~ 90min；
(5) 180 ~ 220 DEG C of refinings are warming up to, are cooled down after continuing 5 ~ 10min of constant temperature；
(6) after being cooled to 80 DEG C, 2 ~ 10% organobentonite is added, after mixing evenly, 1 ~ 5% ethanol water is added dropwise, instead Answer 30 ~ 60min；
(7) the last additive that surplus is added according to demand, out abrasive lapping three times, finished product.
The present invention compared with the existing technology, provides a kind of high-performance composite aluminum base bentonite grease and preparation method thereof, The lubricating grease has dropping point height, resistant to shearing, the fretting wear that abrasion resistance is good, excellent, excellent colloid stability, excellent heat The advantages that stability and ageing resistance.
Preferable additives, high degree improve Fretting and abrasion resistance, and stable to rouge colloid itself Property, anti-water drenching can have no significant effect；Without polarity dispersing agent, bentonite can be allowed to reach good dispersion effect.This method Preparation method is simple, is readily produced.
Specific embodiment
A kind of high-performance composite aluminum base bentonite grease and preparation method thereof, lubricating grease is by base oil, fatty acid, isopropyl Aluminium alcoholates, benzoic acid, clad aluminum thickening agent, organobentonite, water and additive are composed；Base oil accounts for lubricating grease total weight 60.0~90.0%；Fatty acid accounts for the 1 ~ 5% of lubricating grease total weight；Aluminium isopropoxide accounts for the 1 ~ 5% of lubricating grease total weight；Benzoic acid accounts for The 1 ~ 5% of lubricating grease total weight；Clad aluminum thickening agent accounts for the 5 ~ 25% of lubricating grease total weight；Organobentonite accounts for lubricating grease total weight 2 ~ 10%.
Base oil is the combination of one or more of naphthenic mineral oil, paraffin base mineral oil, polyalphaolefin synthetic oil.
Base oil is 40 oCAt a temperature of kinematic viscosity be 80 ~ 460 mm2/ s, pour point are less than -25oC。
Additive is the combination of one or more of nitrogen borate and 4- isopropoxy phenyl boric acid, thiophosphate, MCA.
Fatty acid, carbon chain lengths are 12 ~ 24, and relative density is 0.8 ~ 0.9 (g/mL, 20/4 DEG C).
Aluminium isopropoxide, benzoic acid purity are 99.0% or more.
It is specific the preparation method is as follows:
(1) it is added and accounts for 50.0~75.0% base oil of lubricating grease gross weight, account for 1 ~ 5% fatty acid of lubricating grease gross weight, 1 ~ 5% Aluminium isopropoxide in reaction kettle；
(2) stirring is opened, 70 ~ 98 DEG C of progress first step reactions is gradually warming up to, continues 30 ~ 90min；
(3) benzoic acid for accounting for lubricating grease gross weight 1-5% is added, is slowly added dropwise 30 ~ 80 in reaction process and drips (drop of 1g ≈ 20), it is permanent 30 ~ 90min of temperature；
(4) be warming up to 110 ~ 140 DEG C, 10.0~15.0% base oil for accounting for lubricating grease gross weight be added, continue constant temperature 30 ~ 90min；
(5) 180 ~ 220 DEG C of refinings are warming up to, are cooled down after continuing 5 ~ 10min of constant temperature；
(6) after being cooled to 80 DEG C, 2 ~ 10% organobentonite is added, after mixing evenly, 1 ~ 5% ethanol water is added dropwise, instead Answer 30 ~ 60min；
(7) the last additive that surplus is added according to demand, out abrasive lapping three times, finished product.
Embodiment one
(A) 40 are put into the autoclave body that a volume is the planetary stirring test kettle of 5LoC kinematic viscosity 100mm2The mineral oil of/s 500SN 1400.0 g, stearic acid 71.0g, aluminium isopropoxide 53.50g are warming up to 70 ~ 98 DEG C, and 60 ~ 90min is reacted after dissolution；
(B) 31.0g benzoic acid, the reaction was continued 30 ~ 60min is added；
(C) 22g water is slowly added dropwise, keeps the temperature 40min；
(D) 120 ~ 140 DEG C are warming up to, 600g500SN is added and adjusts consistency；
(E) 200 ~ 220 DEG C of refining 10min are warming up to；
(F) 80 DEG C are naturally cooled to, 48g bentonite is added, 75% ethanol water of 25g is added dropwise after mixing, it is lasting to stir 30~60min；
(G) 40g thiophosphate is added, 40g 4- isopropoxy phenyl boric acid, after mixing evenly, abrasive lapping three times, are made into out Product.
Testing result is shown in Table 1.
Table 1
Project Testing result Test method
Work cone penetration, 0.1mm 275 GB/T 269
Dropping point,oC 280 GB/T 3498
Stencil oil-dividing (100 oC, 30h), % 0.80 GB/T 0324
Pressure point oil, % 7.00 DIN 51817
Wear scar diameter, mm 0.35 SH/T 0202
Fretting wear 8 SH/T 0176
PB, N 1254 SH/T 0204
RSSOT, min 720 ASTM D7545
Embodiment two
(A) mineral oil of 40oC kinematic viscosity 100mm2/s is put into the autoclave body that a volume is the planetary stirring test kettle of 5L 500N 1400.0 g, stearic acid 71.0g, aluminium isopropoxide 53.50g are warming up to 70 ~ 98 DEG C, and 60 ~ 90min is reacted after dissolution；
(B) 31.0g benzoic acid, the reaction was continued 30 ~ 60min is added；
(C) 22g water is slowly added dropwise, keeps the temperature 40min；
(D) 120 ~ 140 DEG C are warming up to, 600g500N is added and adjusts consistency；
(E) 200 ~ 220 DEG C of refining 10min are warming up to；
(F) 80 DEG C are naturally cooled to, 48g bentonite is added, 75% ethanol water of 25g is added dropwise after mixing, it is lasting to stir 30~60min；
(G) 40g thiophosphate is added, 40g nitrogen-containing borate, 40g MCA, after mixing evenly, abrasive lapping three times, are made out Finished product.
Testing result is shown in Table 2.
Table 2
Project Testing result Test method
Work cone penetration, 0.1mm 280 GB/T 269
Dropping point,oC 300 GB/T 3498
Stencil oil-dividing (100 oC, 30h), % 1.10 GB/T 0324
Pressure point oil, % 8.10 DIN 51817
Wear scar diameter, mm 0.35 SH/T 0202
Fretting wear, mg 6 SH/T 0176
PB, N 1117 SH/T 0204
RSSOT, min 760 ASTM D7545
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technical staff of the industry It should be recognized that the present invention is not limited to the above embodiments, the above embodiments and description only describe of the invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent It defines.

Claims (7)

1. a kind of high-performance composite aluminum base bentonite grease, it is characterised in that: the lubricating grease by base oil, fatty acid, Aluminium isopropoxide, benzoic acid, clad aluminum thickening agent, organobentonite, water and additive are composed；Base oil accounts for lubricating grease gross weight The 60.0~90.0% of amount；Fatty acid accounts for the 1 ~ 5% of lubricating grease total weight；Aluminium isopropoxide accounts for the 1 ~ 5% of lubricating grease total weight；Benzene first Acid accounts for the 1 ~ 5% of lubricating grease total weight；Clad aluminum thickening agent accounts for the 5 ~ 25% of lubricating grease total weight；It is total that organobentonite accounts for lubricating grease The 2 ~ 10% of weight.
2. a kind of high-performance composite aluminum base bentonite grease according to claim 1, it is characterised in that: the basis Oil is that one or more of naphthenic mineral oil, paraffin base mineral oil, polyalphaolefin synthetic oil combine.
3. a kind of high-performance composite aluminum base bentonite grease according to claim 1 or 2, it is characterised in that: described Base oil is 40 oCAt a temperature of kinematic viscosity be 80 ~ 460 mm2/ s, pour point are less than -25oC。
4. a kind of high-performance composite aluminum base bentonite grease according to claim 1, it is characterised in that: the addition Agent is the combination of one or more of nitrogen borate and 4- isopropoxy phenyl boric acid, thiophosphate, MCA.
5. a kind of high-performance composite aluminum base bentonite grease according to claim 1, it is characterised in that: the fat Acid, carbon chain lengths are 12 ~ 24, and relative density is 0.8 ~ 0.9 (g/mL, 20/4 DEG C).
6. a kind of high-performance composite aluminum base bentonite grease according to claim 1, it is characterised in that: the isopropyl Aluminium alcoholates, benzoic acid purity are 99.0% or more.
7. a kind of preparation method of high-performance composite aluminum base bentonite grease, it is characterised in that: it is specific the preparation method is as follows:
(1) it is added and accounts for 50.0~75.0% base oil of lubricating grease gross weight, account for 1 ~ 5% fatty acid of lubricating grease gross weight, 1 ~ 5% Aluminium isopropoxide in reaction kettle；
(2) stirring is opened, 70 ~ 98 DEG C of progress first step reactions is gradually warming up to, continues 30 ~ 90min；
(3) benzoic acid for accounting for lubricating grease gross weight 1-5% is added, is slowly added dropwise 30 ~ 80 in reaction process and drips (drop of 1g ≈ 20), it is permanent 30 ~ 90min of temperature；
(4) be warming up to 110 ~ 140 DEG C, 10.0~15.0% base oil for accounting for lubricating grease gross weight be added, continue constant temperature 30 ~ 90min；
(5) 180 ~ 220 DEG C of refinings are warming up to, are cooled down after continuing 5 ~ 10min of constant temperature；
(6) after being cooled to 80 DEG C, 2 ~ 10% organobentonite is added, after mixing evenly, 1 ~ 5% ethanol water is added dropwise, instead Answer 30 ~ 60min；
(7) the last additive that surplus is added according to demand, out abrasive lapping three times, finished product.
CN201910661471.XA 2019-07-22 2019-07-22 A kind of high-performance composite aluminum base bentonite grease and preparation method thereof Withdrawn CN110408459A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN116240059A (en) * 2023-03-17 2023-06-09 安徽中天石化股份有限公司 Environment-friendly engineering machinery lubricating grease and preparation method and application thereof

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JP5476076B2 (en) * 2008-09-30 2014-04-23 昭和シェル石油株式会社 Grease composition for resin lubrication
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