CN107686763A - Hydraulic engineering food-grade bearing grease and preparation method and application - Google Patents

Hydraulic engineering food-grade bearing grease and preparation method and application Download PDF

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Publication number
CN107686763A
CN107686763A CN201710735784.6A CN201710735784A CN107686763A CN 107686763 A CN107686763 A CN 107686763A CN 201710735784 A CN201710735784 A CN 201710735784A CN 107686763 A CN107686763 A CN 107686763A
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China
Prior art keywords
aluminium
food
base oil
grade
thickening agent
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Chinese (zh)
Inventor
张广辽
徐琳
张小阳
方超群
赵文峰
耿红磊
包锐
王志民
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NATIONAL CENTER OF QUALITY INSPECTION & TESTING FOR HYDRAULIC METAL STRUCTURE MINISTRY OF WATER RESOURCES
China Petroleum and Chemical Corp
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NATIONAL CENTER OF QUALITY INSPECTION & TESTING FOR HYDRAULIC METAL STRUCTURE MINISTRY OF WATER RESOURCES
China Petroleum and Chemical Corp
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Priority to CN201710735784.6A priority Critical patent/CN107686763A/en
Publication of CN107686763A publication Critical patent/CN107686763A/en
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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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • 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
    • C10M2207/1265—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 used as thickening agent
    • 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
    • C10M2207/128—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 containing hydroxy groups; Ethers thereof
    • C10M2207/1285—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 containing hydroxy groups; Ethers thereof used as thickening agents
    • 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
    • C10M2207/1415—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings monocarboxylic used as thickening agent
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/223—Five-membered rings containing nitrogen and carbon only
    • C10M2215/224—Imidazoles
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral 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
    • 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
    • C10M2223/043—Ammonium or amine salts thereof
    • 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
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/02—Viscosity; Viscosity index
    • 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
    • C10N2030/08—Resistance to extreme temperature
    • 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
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • 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
    • C10N2030/62—Food grade properties
    • 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
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/02—Bearings

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

The invention provides hydraulic engineering food-grade bearing grease and preparation method and application；The lubricant composition includes food-grade base oil, thickening agent and compositions of additives.Its component and weight percentage are as follows：Base oil：84~94%；Thickening agent：6~16%；Additional antirust agent：0.5~10%；Additional extreme pressure anti-wear additives：0.1~10%.The thickening agent is by C16‑C20Long chain fatty acids, the reactant composition of aromatic acid and organo-aluminium, meet food-grade requirement.The mol ratio of three kinds of raw materials is 1：(1~1.7)：(1~1.3).Organo-aluminium includes aluminium isopropoxide or the oxygen aluminium of three isopropanol three.The wear-resistant extreme pressure property of lubricating grease of the present invention is good, extends bearing life；Water-resistance is good, and high temperature performance is good, and operating temperature range is 40 DEG C~80 DEG C, and lubricating grease of the invention disclosure satisfy that the lubrication needs of hydraulic engineering bearing, meet Drinking Water Industry safety and health request.

Description

Hydraulic engineering food-grade bearing grease and preparation method and application
Technical field
The present invention relates to food-grade lubricating grease, more precisely applied to the food-grade lubricating grease on hydraulic engineering bearing And preparation method thereof, preparation technology is simple, pollution-free to water body, have excellent water-resistance, extreme pressure anti-wear, high and low temperature, Rust-preventing characteristic.
Background technology
Hydraulic engineering is typically blocked rivers or built according to rivers, and this feature determines its development activities for local water environment Influence it is more direct, the influence of construction time particularly highlights.The use of lubricating grease is at present industry on the bearing of water engineering machinery Rank, contain heavy metal and carcinogen in technical grade lubricating grease.Bearing can contact with water in the course of the work, adhere on bearing Excess oil can enter in water, cause local and downstream water environment pollution, produced to downstream resident living and industrial and agricultural production Harm.
At present, China is paid high attention to drinking water source prevention and cure of pollution problem.《People's Republic of China's water prevention and cure of pollution Method》、《Drinking water source protection zone prevention and cure of pollution administrative provisions》、《Drinking Water hygienic quality specification》、《Drinking Water is examined Test specification》It is made that etc. harmful substance species, limit value in management of the laws and regulations file to drinking water source protection zone and water etc. Clear stipulaties.Technical grade lubricating grease is used in hydraulic engineering, water pollution will be triggered, not meeting relevant laws and regulations and country can hold Supervention opens up strategic requirement.
The bearing of water engineering machinery contacts with water for a long time exposed to open air, and live load is big, and this has resulted in steel wire High humidity in the course of work of restricting, heavy load, operating temperature are with the features such as seasonal variations are obvious.Therefore, on hydraulic engineering bearing The lubricating grease used should possess good water-resistance, extreme pressure anti-wear, high and low temperature, rust-preventing characteristic, while pollution-free to water body.
By document and patent consulting, at present both at home and abroad it has not been found that being used for the food-grade lubricating grease of hydraulic engineering bearing Document and patent report.
The content of the invention
, should especially suitable for the use of hydraulic engineering bearing the invention provides a kind of food-grade consistent lubricant and preparation method Lubricant composition includes food-grade base oil, thickening agent and compositions of additives.Have food-grade lubricating grease at present to be used for The machinery such as processing, packaging, conveying is set in food, beverage, meat products, fruits and vegetables, chocolate, pharmacy, toy and feedstuff industry The lubrication of standby friction part.Hydraulic engineering bearing operation working environment has the characteristics of high temperature, high humidity, heavy load, above-mentioned existing Food-grade lubricating grease is not suitable for the operating mode.Food-grade lubricating grease in the present invention had both been carried out well to hydraulic engineering bearing Protection, will not be polluted to water body again.
Concrete technical scheme of the present invention is as follows：
The food-grade lubricating grease of the present invention, its component and weight percentage are as follows：
Base oil：84~94%；
Thickening agent：6~16%；
Calculated using base oil and thickening agent quality as 100%:
Additional antirust agent：0.5~10%；
Additional extreme pressure anti-wear additives：0.1~10%.
Base oil includes the ready-mixed oil of food-grade mineral oil, artificial oil or both；Meet food-grade requirement, and it is described 100 DEG C of kinematic viscosity of base oil are 10~60mm2/s。
The thickening agent is by C16-C20Long chain fatty acids, the reactant composition of aromatic acid and organo-aluminium, meet food Level requires.The mol ratio of three kinds of raw materials is 1：(1~1.7)：(1~1.3).
The thickening agent C16-C20Aliphatic acid include stearic acid, ten dihydroxystearic acids or palmitic acid.The aromatic acid Including benzoic acid or alkyl substituted benzoic acid.The organo-aluminium includes aluminium isopropoxide or the oxygen aluminium of three isopropanol three.
The antirust agent is sulfonate, imidazolines.
The extreme pressure anti-wear additives are carbonate, phosphoric acid salt.
The preparation of greases method of the present invention, when its organo-aluminium is aluminium isopropoxide, comprises the following steps：
1) aliphatic acid, aromatic acid, organo-aluminium are proportionally added into 70%~95% base oil, it is mixed and heated to 60~ 100 DEG C, recombination reaction is carried out, the reaction time is 1~2 hour；
2) compound material 1) is continuously heating to 100~140 DEG C, adds running water, water equivalent is organic equivalent thickness of aluminium 1~3 times, constant temperature 1~2 hour；
3) compound material 2) is continuously heating to 195~220 DEG C, constant temperature 5~30 minutes；Then remaining basis is added Oil stirs；
4) material 3) is further cooled to after less than 140 DEG C addition antirust agent, extreme pressure anti-wear additives stir and carried out After produce required product.
The preparation of greases method of the present invention, when its organo-aluminium is three isopropanols, three oxygen aluminium, comprises the following steps：
1) aliphatic acid, aromatic acid, organo-aluminium are proportionally added into base oil, are mixed and heated to 60~100 DEG C, carried out Recombination reaction, reaction time are 1~2 hour；
2) compound material 1) is continuously heating to 195~220 DEG C, constant temperature 5~30 minutes；
3) material 2) is cooled to after being carried out after less than 140 DEG C addition antirust agent, extreme pressure anti-wear additives stir and produced Required product.
Food-grade lubricating grease of the present invention, it is characterized in that being mainly used in water conservancy industry protection.
The lubricating grease of the present invention belongs to food grade lubricating grease, has following outstanding advantages：Meet Drinking Water Industry health peace Full specification, drinking water source will not be caused to pollute；Abrasion resistant extreme-pressure is good, it is ensured that optimum load ability, friction is extremely effective reduced, Greatly extend bearing life；Water-resistance is good, long-term soluble in water, will not decompose, oil bloom are seldom；High temperature performance is good, work Temperature range is -40 DEG C~80 DEG C, ensures long-term normal work under lubricant housings high temperature and low temperature；Rust-preventing characteristic is good, can be to bearing Effectively protected.Therefore, lubricating grease of the invention disclosure satisfy that the lubrication needs of hydraulic engineering bearing, meet Drinking Water Industry Safety and health request.
In table 1 below, industrial grease used in existing market upper bearing (metal) is given and according to example of the present invention Property embodiment prepare food-grade lubricating grease toxicological properties contrast.
The PERFORMANCE OF GREASES of table 1 contrasts
Embodiment
Example 1：
Base oil：87%；
Thickening agent：13%；
Sulfonate：5% (additional)；
The base oil is food-grade artificial oil, and 100 DEG C of kinematic viscosity of described base oil are respectively 10mm2/ s and 40mm2/s；The thickening agent is made up of stearic acid, benzoic acid, aluminium isopropoxide, and its mol ratio is 1:1.2:1.3；The organo-aluminium For aluminium isopropoxide；The antirust agent is sulfoacid calcium.
By 150 grams of stearic acid, 77 grams of benzoic acid, 140 grams of aluminium isopropoxide is added to 2000 grams of food-grade artificial oil (ν100= 10) in, 80 DEG C are heated to, is reacted 1 hour, continues to be heated to 100 DEG C, adds 37 grams of running water, constant temperature 1 hour, continue thing Material is warming up to 210 DEG C, constant temperature 10 minutes, adds 500g food-grade artificial oils (ν100=40), when temperature is down to below 140 DEG C, add Enter 143 grams of sulfoacid calcium, carry out post-processing to obtain finished product fat after stirring evenly.
PERFORMANCE OF GREASES made from present invention process formula is shown in Table 2.
Example 2：
Base oil：94%；
Thickening agent：6%；
Imidazoline：0.5% (additional)；
Phosphate amine salt：0.5% (additional)；
Triphenyl thiophosphate：0.5% (additional)；
Calcium carbonate：5% (additional)；
The base oil is food-grade artificial oil, and 100 DEG C of kinematic viscosity of described base oil are respectively 10mm2/ s and 60mm2/s；The thickening agent is made up of ten dihydroxystearic acids, p-methylbenzoic acid, aluminium isopropoxide, and its mol ratio is 1:1:1； The organo-aluminium is aluminium isopropoxide；The antirust agent is imidazoline；The extreme pressure anti-wear additives are phosphate amine salt, triphenyl is thio Phosphate, calcium carbonate.
By 150 grams of ten dihydroxystearic acid, 68 grams of p-methylbenzoic acid, 102 grams of aluminium isopropoxide is added to 3509 grams of food Level artificial oil (ν100=10) in, 60 DEG C are heated to, is reacted 1.5 hours, continues to be heated to 120 DEG C, adds 18 grams of running water, it is permanent Temperature 1.5 hours, continues material being warming up to 195 DEG C, constant temperature 5 minutes, adds 1504g food-grade artificial oils (ν100=60) temperature, is worked as When being down to less than 140 DEG C, 14 grams of imidazoline, 14 grams of phosphate amine salt, 14 grams of triphenyl thiophosphate, calcium carbonate 143 are added Gram, carry out post-processing to obtain finished product fat after stirring evenly.
PERFORMANCE OF GREASES made from present invention process formula is shown in Table 2.
Example 3：
Base oil：85%；
Thickening agent：15%；
Phosphate amine salt：0.1% (additional)；
Triphenyl thiophosphate：0.1% (additional)；
Calcium carbonate：10% (additional)；
Sulfoacid calcium：10% (additional)；
The base oil is food-grade artificial oil, and 100 DEG C of kinematic viscosity of described base oil are respectively 10mm2/ s and 40mm2/s；The thickening agent is made up of palmitic acid, benzoic acid, aluminium isopropoxide, and its mol ratio is 1:1.7:1.1；The organo-aluminium For aluminium isopropoxide；The antirust agent is sulfoacid calcium；The extreme pressure anti-wear additives are phosphate amine salt, triphenyl thiophosphate, carbon Sour calcium.
By 150 grams of palmitic acid, 109 grams of benzoic acid, 119 grams of aluminium isopropoxide is added to 2035 grams of food-grade artificial oil (ν100= 10) in, 100 DEG C are heated to, is reacted 2 hours, continues to be heated to 140 DEG C, adds 11 grams of running water, constant temperature 2 hours, continue thing Material is warming up to 220 DEG C, constant temperature 30 minutes, adds 107g food-grade artificial oils (ν100=40), when temperature is down to below 140 DEG C, add Enter 253 grams of sulfoacid calcium, 2.5 grams of phosphate amine salt, 2.5 grams of triphenyl thiophosphate, 253 grams of calcium carbonate, after being carried out after stirring evenly Handle to obtain finished product fat.
PERFORMANCE OF GREASES made from present invention process formula is shown in Table 2.
Example 4：
Base oil：84%；
Thickening agent：16%；
Sulfoacid calcium：5% (additional)；
The base oil is food-grade artificial oil, and 100 DEG C of kinematic viscosity of described base oil are respectively 10mm2/ s and 40mm2/s；The thickening agent is made up of stearic acid, benzoic acid, the oxygen aluminium of three isopropanol three, and its mol ratio is 1:1:1.1；It is described to have Machine aluminium is the oxygen aluminium of three isopropanol three；The antirust agent is sulfoacid calcium.
By 298 grams of stearic acid, 128 grams of benzoic acid, 234 grams of three isopropanols, three oxygen aluminium is added to 450 grams of food-grade artificial oils (ν100=10) with 1700 grams of food-grade artificial oil (ν100=40) in ready-mixed oil, 60 DEG C are heated to, is reacted 1 hour, Ran Houji It is continuous to be warming up to 195 DEG C, 5 minutes are incubated, stops heating, when temperature is down to below 140 DEG C, 141 grams of sulfoacid calcium is added, after stirring evenly Carry out post-processing to obtain finished product fat.
PERFORMANCE OF GREASES made from present invention process formula is shown in Table 2.
Example 5：
Base oil：84%；
Thickening agent：16%；
Imidazoline：0.5% (additional)；
Phosphate amine salt：0.5% (additional)；
Triphenyl thiophosphate：0.5% (additional)；
Calcium carbonate：5% (additional)；
The base oil is food-grade artificial oil, and 100 DEG C of kinematic viscosity of described base oil are respectively 10mm2/ s and 40mm2/s；The thickening agent is made up of stearic acid, benzoic acid, the oxygen aluminium of three isopropanol three, and its mol ratio is 1:1:1.1；It is described to have Machine aluminium is the oxygen aluminium of three isopropanol three；The antirust agent is imidazoline；The extreme pressure anti-wear additives are phosphate amine salt, triphenyl is thio Phosphate, calcium carbonate.
By 298 grams of stearic acid, 128 grams of benzoic acid, 234 grams of three isopropanols, three oxygen aluminium is added to 450 grams of food-grade artificial oils (ν100=10) with 1700 grams of food-grade artificial oil (ν100=40) 80 DEG C are heated in ready-mixed oil, reacts 1.5 hours, then 210 DEG C are continuously heating to, is incubated 20 minutes, stops heating, when temperature is down to below 140 DEG C, adds 14 grams of imidazoline, phosphoric acid 14 grams of ester amine salt, 14 grams of triphenyl thiophosphate, 141 grams of calcium carbonate, carry out post-processing to obtain finished product fat after stirring evenly.
Example 6：
Base oil：84%；
Thickening agent：16%；
Sulfoacid calcium：0.5% (additional)；
Phosphate amine salt：0.5% (additional)；
Triphenyl thiophosphate：0.5% (additional)；
Calcium carbonate：5% (additional)；
The base oil is food-grade artificial oil, and 100 DEG C of kinematic viscosity of described base oil are respectively 10mm2/ s and 40mm2/s；The thickening agent is made up of stearic acid, benzoic acid, the oxygen aluminium of three isopropanol three, and its mol ratio is 1:1:1.1；It is described to have Machine aluminium is the oxygen aluminium of three isopropanol three；The antirust agent is sulfoacid calcium；The extreme pressure anti-wear additives are phosphate amine salt, triphenyl is thio Phosphate, calcium carbonate.
By 298 grams of stearic acid, 128 grams of benzoic acid, 234 grams of three isopropanols, three oxygen aluminium is added to 450 grams of food-grade artificial oils (ν100=10) with 1700 grams of food-grade artificial oil (ν100=40) 100 DEG C are heated in ready-mixed oil, reacts 2 hours, then 220 DEG C are continuously heating to, is incubated 30 minutes, stops heating, when temperature is down to below 140 DEG C, adds 141 grams of sulfoacid calcium, phosphorus 14 grams of acid esters amine salt, 14 grams of triphenyl thiophosphate, 141 grams of calcium carbonate, carry out post-processing to obtain finished product fat after stirring evenly.
PERFORMANCE OF GREASES made from present invention process formula is shown in Table 2.
Example 7：
Base oil：91%；
Thickening agent：9%；
Sulfoacid calcium：5% (additional)；
The base oil is food-grade mineral oil, and 100 DEG C of kinematic viscosity of described base oil are respectively 10mm2/ s and 40mm2/s；The thickening agent is made up of stearic acid, benzoic acid, aluminium isopropoxide, and its mol ratio is 1:1.2:1.3；The organo-aluminium For aluminium isopropoxide；The antirust agent is sulfoacid calcium.
By 150 grams of stearic acid, 77 grams of benzoic acid is added to 2000 grams of food-grade mineral oil (ν100=10) in, 60 are heated to DEG C, 140 grams of aluminium isopropoxide is added, rises to 80 DEG C, is reacted 1 hour, continues to be heated to 100 DEG C, adds 35 grams of running water, constant temperature 1 Hour, continue material being warming up to 205~210 DEG C, constant temperature 10 minutes, add 500g food-grade mineral oils (ν100=40) temperature, is worked as When being down to less than 140 DEG C, 143 grams of sulfoacid calcium is added, carries out post-processing to obtain finished product fat after stirring evenly.
PERFORMANCE OF GREASES made from present invention process formula is shown in Table 2.
Example 8：
Base oil：91%；
Thickening agent：9%；
Imidazoline：0.5% (additional)；
Phosphate amine salt：0.5% (additional)；
Triphenyl thiophosphate：0.5% (additional)；
Calcium carbonate：5% (additional)；
The base oil is food-grade mineral oil, and 100 DEG C of kinematic viscosity of described base oil are respectively 10mm2/ s and 40mm2/s；The thickening agent is made up of stearic acid, benzoic acid, aluminium isopropoxide, and its mol ratio is 1:1.2:1.3；The organo-aluminium For aluminium isopropoxide；The antirust agent is imidazoline；The extreme pressure anti-wear additives are phosphate amine salt, triphenyl thiophosphate, carbon Sour calcium.
By 150 grams of stearic acid, 77 grams of benzoic acid is added to 2000 grams of food-grade mineral oil (ν100=10) in, 60 are heated to DEG C, 140 grams of aluminium isopropoxide is added, rises to 80 DEG C, is reacted 1 hour, continues to be heated to 100 DEG C, adds 35 grams of running water, constant temperature 1 Hour, continue material being warming up to 205~210 DEG C, constant temperature 10 minutes, add 500g food-grade mineral oils (ν100=40) temperature, is worked as When being down to less than 140 DEG C, 14 grams of imidazoline, 14 grams of phosphate amine salt, 14 grams of triphenyl thiophosphate, calcium carbonate 143 are added Gram, carry out post-processing to obtain finished product fat after stirring evenly.
PERFORMANCE OF GREASES made from present invention process formula is shown in Table 2.
Example 9：
Base oil：91%；
Thickening agent：9%；
Phosphate amine salt：0.5% (additional)；
Triphenyl thiophosphate：0.5% (additional)；
Calcium carbonate：5% (additional)；
Sulfoacid calcium：5% (additional)；
The base oil is food-grade artificial oil, and 100 DEG C of kinematic viscosity of described base oil are respectively 10mm2/ s and 40mm2/s；The thickening agent is made up of stearic acid, benzoic acid, aluminium isopropoxide, and its mol ratio is 1:1.2:1.3；The organo-aluminium For aluminium isopropoxide；The antirust agent is sulfoacid calcium；The extreme pressure anti-wear additives are phosphate amine salt, triphenyl thiophosphate, carbon Sour calcium.
By 150 grams of stearic acid, 77 grams of benzoic acid is added to 2000 grams of food-grade mineral oil (ν100=10) in, 60 are heated to DEG C, 140 grams of aluminium isopropoxide is added, rises to 80 DEG C, is reacted 1 hour, continues to be heated to 100 DEG C, adds 35 grams of running water, constant temperature 1 Hour, continue material being warming up to 205~210 DEG C, constant temperature 10 minutes, add 500g food-grade mineral oils (ν100=40) temperature, is worked as When being down to less than 140 DEG C, 143 grams of sulfoacid calcium, 14 grams of phosphate amine salt, 14 grams of triphenyl thiophosphate, calcium carbonate 143 are added Gram, carry out post-processing to obtain finished product fat after stirring evenly.
PERFORMANCE OF GREASES made from present invention process formula is shown in Table 2.
The performance specification of the lubricating grease of 2 each embodiment of table
Seen using the performance comparision of the lubricating grease and existing industrial grease of the present embodiment 1,2,3,4,5,6,7,8 and 9 Go out：
(1) nine sample extreme pressure and antiwear behavior is good, adapts to the working environment of bearing high load capacity, bearing is carried out effective Protection, extend bearing life.
(2) nine sample waters leaching numbers of dropouts are smaller, hence it is evident that are better than industrial grease, the lubricating grease of this and the present invention has good Good water-resistance has uniformity.
(3) nine samples -40 spend low temperature torque and are respectively less than 1.0N.m, and cryogenic property is substantially better than in general hydraulic engineering axle Lubricating grease is held, the lubrication of the hydraulic engineering bearing under the conditions of Different climate in all parts of the country can be met.
(4) nine samples are different from industrial grease by water hygiene specification, will not be to water in application process Body pollutes.
The preparation and application of hydraulic engineering food-grade bearing grease proposed by the present invention, have passed through preferred embodiment Son is described, person skilled substantially can not depart from present invention, in spirit and scope to as described herein group Divide and method is modified or suitably changed with combining, to realize the technology of the present invention.In particular, it is all similar Replacement and change it is apparent to those skilled in the art, they are considered as being included in spirit of the invention, model Enclose with content.

Claims (9)

1. a kind of hydraulic engineering food-grade bearing grease, its component and weight percentage are as follows：
Base oil：85~94%；
Thickening agent：6~15%；
Calculated using base oil and thickening agent quality as 100%:
Additional antirust agent：0.5~10%；
Additional extreme pressure anti-wear additives：0.1~10%.
Base oil includes the ready-mixed oil of food-grade mineral oil, artificial oil or both, meets food-grade requirement, and described base oil 100 DEG C of kinematic viscosity are 10~60mm2/s。
2. lubricating grease as claimed in claim 1, it is characterized in that the thickening agent is by C16-C20Long chain fatty acids, aromatic acid and The reactant composition of organo-aluminium, meets food-grade requirement.
3. lubricating grease as claimed in claim 2, it is characterized in that the mol ratio of three kinds of raw materials of the thickening agent is 1：(1~1.7)： (1~1.2).
4. lubricating grease as claimed in claim 2, it is characterized in that the thickening agent thickening agent C16-C20Aliphatic acid include tristearin Acid, ten dihydroxystearic acids or palmitic acid；The aromatic acid includes benzoic acid or alkyl substituted benzoic acid；The organo-aluminium includes Aluminium isopropoxide or the oxygen aluminium of three isopropanol three.
5. lubricating grease as claimed in claim 1, it is characterized in that the antirust agent is sulfonate or imidazolines.
6. lubricating grease as claimed in claim 1, it is characterized in that the extreme pressure anti-wear additives are carbonate or phosphoric acid salt.
7. preparation of greases method as claimed in claim 1, it is characterized in that when organo-aluminium is aluminium isopropoxide, including following step Suddenly：
1) aliphatic acid, aromatic acid, organo-aluminium are proportionally added into 70%~100% base oil, are mixed and heated to 60~100 DEG C, recombination reaction is carried out, the reaction time is 1~2 hour；
2) compound material 1) is continuously heating to 100~140 DEG C, adds running water, water equivalent be organic equivalent thickness of aluminium 1~ 3 times, constant temperature 1~2 hour；
3) compound material 2) is continuously heating to 195~220 DEG C, constant temperature 5~30 minutes；Then remaining base oil is added to stir Mix uniformly；
4) material 3) is further cooled to after being carried out after less than 140 DEG C addition antirust agent, extreme pressure anti-wear additives stir i.e. Product needed for obtaining.
8. preparation of greases method as claimed in claim 1, it is characterized in that when organo-aluminium is three isopropanols, three oxygen aluminium, including Following steps：
1) aliphatic acid, aromatic acid, organo-aluminium are proportionally added into base oil, are mixed and heated to 60~100 DEG C, carried out compound Reaction, reaction time are 1~2 hour；
2) compound material 1) is continuously heating to 195~220 DEG C, constant temperature 5~30 minutes；
3) material 2) is cooled to after being carried out after less than 140 DEG C addition antirust agent, extreme pressure anti-wear additives stir needed for producing Product.
9. the food-grade lubricating grease described in claim 1, it is characterized in that lubrication and protection applied to water conservancy industry bearing.
CN201710735784.6A 2017-08-24 2017-08-24 Hydraulic engineering food-grade bearing grease and preparation method and application Pending CN107686763A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109679744A (en) * 2018-11-30 2019-04-26 佛山市海明威生态科技股份有限公司 A kind of food-grade antirust oil and preparation method thereof
CN114133975A (en) * 2021-11-22 2022-03-04 江西优宝新材料科技有限公司 Food-grade lubricating grease and preparation method thereof
WO2022120897A1 (en) * 2020-11-12 2022-06-16 江南大学 Food-grade lubricating grease and application thereof
US20230068690A1 (en) * 2020-04-28 2023-03-02 Jiangnan University Food-grade Lubricating Grease and Method for Preparing Same

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Publication number Priority date Publication date Assignee Title
CN102268320A (en) * 2011-07-07 2011-12-07 中国石油化工股份有限公司 Food-grade lubricating grease as well as preparation method and application thereof
CN104250575A (en) * 2013-06-25 2014-12-31 中国石油天然气股份有限公司 Wire-rope grease composition with excellent performances and preparation method thereof
CN104371796A (en) * 2014-10-25 2015-02-25 中国石油化工股份有限公司 Low-temperature lubricating grease composition and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN102268320A (en) * 2011-07-07 2011-12-07 中国石油化工股份有限公司 Food-grade lubricating grease as well as preparation method and application thereof
CN104250575A (en) * 2013-06-25 2014-12-31 中国石油天然气股份有限公司 Wire-rope grease composition with excellent performances and preparation method thereof
CN104371796A (en) * 2014-10-25 2015-02-25 中国石油化工股份有限公司 Low-temperature lubricating grease composition and preparation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109679744A (en) * 2018-11-30 2019-04-26 佛山市海明威生态科技股份有限公司 A kind of food-grade antirust oil and preparation method thereof
US20230068690A1 (en) * 2020-04-28 2023-03-02 Jiangnan University Food-grade Lubricating Grease and Method for Preparing Same
US11965141B2 (en) * 2020-04-28 2024-04-23 Jiangnan University Food-grade lubricating grease and method for preparing same
WO2022120897A1 (en) * 2020-11-12 2022-06-16 江南大学 Food-grade lubricating grease and application thereof
CN114133975A (en) * 2021-11-22 2022-03-04 江西优宝新材料科技有限公司 Food-grade lubricating grease and preparation method thereof
CN114133975B (en) * 2021-11-22 2023-03-14 江西优宝新材料科技有限公司 Food-grade lubricating grease and preparation method thereof

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