CN107955694A - A kind of food machinery special grease and preparation method thereof - Google Patents

A kind of food machinery special grease and preparation method thereof Download PDF

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Publication number
CN107955694A
CN107955694A CN201711414709.6A CN201711414709A CN107955694A CN 107955694 A CN107955694 A CN 107955694A CN 201711414709 A CN201711414709 A CN 201711414709A CN 107955694 A CN107955694 A CN 107955694A
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CN
China
Prior art keywords
parts
food
acid
constant temperature
food machinery
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Pending
Application number
CN201711414709.6A
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Chinese (zh)
Inventor
周忠太
李保莉
齐瑞琴
宋尚珍
周征寰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinxiang Hengxing Technology Co Ltd
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Xinxiang Hengxing Technology Co Ltd
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Priority to CN201711414709.6A priority Critical patent/CN107955694A/en
Publication of CN107955694A publication Critical patent/CN107955694A/en
Pending legal-status Critical Current

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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
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and 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
    • C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/087—Boron oxides, acids or 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
    • 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
    • C10M2207/10—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
    • C10M2207/12—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
    • 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
    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free hydroxy groups
    • 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
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/06—Perfluoro polymers
    • C10M2213/062—Polytetrafluoroethylene [PTFE]
    • 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
    • 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
    • C10N2040/06—Instruments or other precision apparatus, e.g. damping fluids
    • 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 invention discloses a kind of food machinery special grease and preparation method thereof, belong to grease for food machinery technical field.Technical scheme main points are：A kind of food machinery special grease, is as made from the raw material of following parts by weight：250~350 parts of base oil；50~60 parts of aliphatic acid；10~20 parts of calcium hydroxide；5~10 parts of lithium hydroxide；13 parts of inorganic acid, the inorganic acid are boric acid；3~5 parts of antioxidant；8~12 parts of antirust agent.The invention further particularly discloses the preparation method of the food machinery special grease.Food machinery special grease is made using lithium calcium compound soap and kollag compounding in the present invention, its dropping point may be up to more than 260 DEG C, it can be used under damp and hot environmental condition, there is excellent corrosion resistance, water-resistance and rust-preventing characteristic, comply fully with the safety and health request in food-processing industry.

Description

A kind of food machinery special grease and preparation method thereof
Technical field
The invention belongs to grease for food machinery technical field, and in particular to a kind of food machinery special grease and its system Preparation Method.
Background technology
As the improvement of people's living standards, food-safety problem becomes hot issue of concern.In food plus Need to widely use mechanical equipment during work and carry out the processes such as the conveying of product, packaging, drying, puffing, compression, these machineries The inside and outside mechanical device and running part of equipment are in operating and the course of work, to prevent the abrasion of mechanical part, corrosion or drop Heat that low friction produces and good sealing function etc. is provided it is required for using lubricating grease.In the process using lubricating grease In, contact of the lubricating grease with food can not be avoided, therefore food-grade special grease will become a kind of development trend.State at present The food machinery of interior in the market is anhydrous calcium with lubricating grease majority, but anhydrous calcium maximum operation (service) temperature can only be up to 100 DEG C or so, no It can meet the lubricating requirement of food processing process high temperature equipment.
The content of the invention
The technical problem to be solved by the present invention is to provide a kind of food machinery special grease and preparation method thereof, the food Mechanical special grease can not only improve the dropping point of lubricating grease, expand the use temperature range of food mechanical equipment, and have There are excellent corrosion resistance, water-resistance and rust-preventing characteristic, comply fully with the safety and health request in food-processing industry.
The present invention adopts the following technical scheme that a kind of food machinery special grease, it is special to solve above-mentioned technical problem Sign is that as made from the raw material of following parts by weight：
250~350 parts of base oil, the base oil are food-grade mineral white oil, food-grade artificial oil or food-grade organism base oil；
50~60 parts of aliphatic acid, the stearic acid are to meet in ten dihydroxystearic acids, stearic acid or the benzoic acid of food requirement It is one or more；
10~20 parts of calcium hydroxide；
5~10 parts of lithium hydroxide；
1-3 parts of inorganic acid, the inorganic acid are boric acid；
3~5 parts of antioxidant, the antioxidant are polytetrafluoroethylene powder；
8~12 parts of antirust agent, the antirust agent are the dinonyl naphthalene sulphur by the Si Ben -80 and 20wt%~35wt% of 65wt%~80wt% The mixture of sour barium composition.
Further preferably, the food machinery special grease is as made from the raw material of following parts by weight：
300 parts of base oil, the base oil are food-grade mineral white oil；
56 parts of aliphatic acid, the stearic acid are ten dihydroxystearic acids for meeting food requirement；
15 parts of calcium hydroxide；
7.5 parts of lithium hydroxide；
1.5 parts of inorganic acid, the inorganic acid are boric acid；
3.5 parts of antioxidant, the antioxidant are polytetrafluoroethylene powder；
10 parts of antirust agent, the mixture which is made of the dinonyl naphthalene sulfonate barium of the Si Ben -80 and 30wt% of 70wt%.
The preparation method of food machinery special grease of the present invention, it is characterised in that concretely comprise the following steps：
（1）Base oil is added into agitating and heating in reaction kettle, 80 DEG C of addition aliphatic acid is warming up to, 90 DEG C is continuously heating to after dissolving The aqueous solution of lithium hydroxide and calcium hydroxide is added, is uniformly mixed rear constant temperature 30min；
（2）Continue to heat up after constant temperature, be warming up to 100~110 DEG C of addition boric acid aqueous solutions, stir evenly rear constant temperature 30min；
（3）It is dehydrated after constant temperature, then is warming up to 140 DEG C of constant temperature 1h, 220 DEG C of progress high temperature refinings is warming up to after constant temperature 10min, continues stirring cooling, antioxidant and antirust agent is added when temperature is down to below 90 DEG C, through equal after being uniformly mixed Matter machine goes out fat up to food machinery special grease.
Food machinery special grease is made using lithium calcium compound soap and kollag compounding in the present invention, its dropping point can be high It up to more than 260 DEG C, can be used under damp and hot environmental condition, there is excellent corrosion resistance, water-resistance and rust-preventing characteristic, completely symbol Safety and health request in combined foodstuff processing industry.
Embodiment
The above of the present invention is described in further details by the following examples, but this should not be interpreted as to this The scope for inventing above-mentioned theme is only limitted to following embodiment, and all technologies realized based on the above of the present invention belong to this hair Bright scope.
Embodiment 1
（1）300g food-grades mineral white oil is added into agitating and heating in reaction kettle, 80 DEG C is warming up to and adds ten dihydroxy of 56g tristearin Acid, is continuously heating to the 90 DEG C of aqueous solutions of addition containing 7.5g lithium hydroxides and 15g calcium hydroxides, is uniformly mixed after dissolving Constant temperature 30min afterwards；
（2）Continue to heat up after constant temperature, 100~110 DEG C of aqueous solutions of addition containing 1.5g boric acid are warming up to, after stirring evenly Constant temperature 30min；
（3）It is dehydrated after constant temperature, then is warming up to 140 DEG C of constant temperature 1h, 220 DEG C of progress high temperature refinings is warming up to after constant temperature 10min, continues stirring cooling, 3.5g polytetrafluoroethylene powders, bis- nonyl of 7g Si Ben -80 and 3g is added when temperature is down to below 90 DEG C The mixture of base naphthalene sulfonate barium, goes out fat up to food machinery special grease after being uniformly mixed through homogenizer.
Embodiment 2
（1）250g food-grades artificial oil is added into agitating and heating in reaction kettle, 80 DEG C of addition 60g stearic acid are warming up to, after dissolving The 90 DEG C of aqueous solutions of addition containing 10g lithium hydroxides and 10g calcium hydroxides are continuously heating to, are uniformly mixed rear constant temperature 30min；
（2）Continue to heat up after constant temperature, be warming up to 100~110 DEG C of aqueous solutions of addition containing 1g boric acid, perseverance after stirring evenly Warm 30min；
（3）It is dehydrated after constant temperature, then is warming up to 140 DEG C of constant temperature 1h, 220 DEG C of progress high temperature refinings is warming up to after constant temperature 10min, continues stirring cooling, 5g polytetrafluoroethylene powders, 5.2g Si Ben -80 and 2.8g bis- is added when temperature is down to below 90 DEG C The mixture of nonyl naphthalene barium sulfonate, goes out fat up to food machinery special grease after being uniformly mixed through homogenizer.
Embodiment 3
（1）350g food-grades mineral white oil is added into agitating and heating in reaction kettle, is warming up to 80 DEG C of addition 50g benzoic acid, dissolving The 90 DEG C of aqueous solutions of addition containing 5g lithium hydroxides and 20g calcium hydroxides are continuously heating to afterwards, are uniformly mixed rear constant temperature 30min；
（2）Continue to heat up after constant temperature, be warming up to 100~110 DEG C of aqueous solutions of addition containing 3g boric acid, perseverance after stirring evenly Warm 30min；
（3）It is dehydrated after constant temperature, then is warming up to 140 DEG C of constant temperature 1h, 220 DEG C of progress high temperature refinings is warming up to after constant temperature 10min, continues stirring cooling, 3g polytetrafluoroethylene powders, 9.6g Si Ben -80 and 2.4g bis- is added when temperature is down to below 90 DEG C The mixture of nonyl naphthalene barium sulfonate, goes out fat up to food machinery special grease after being uniformly mixed through homogenizer.
The performance comparison of food machinery special grease and anhydrous calcium made from embodiment 1：
The basic principle of the present invention, main feature and advantage has been shown and described above, is not departing from spirit and scope of the invention On the premise of, the present invention also has various changes and modifications, these changes and improvements both fall within the scope of claimed invention.

Claims (3)

1. a kind of food machinery special grease, it is characterised in that be as made from the raw material of following parts by weight：
250~350 parts of base oil, the base oil are food-grade mineral white oil, food-grade artificial oil or food-grade organism base oil；
50~60 parts of aliphatic acid, the stearic acid are to meet in ten dihydroxystearic acids, stearic acid or the benzoic acid of food requirement It is one or more；
10~20 parts of calcium hydroxide；
5~10 parts of lithium hydroxide；
1-3 parts of inorganic acid, the inorganic acid are boric acid；
3~5 parts of antioxidant, the antioxidant are polytetrafluoroethylene powder；
8~12 parts of antirust agent, the antirust agent are the dinonyl naphthalene sulphur by the Si Ben -80 and 20wt%~35wt% of 65wt%~80wt% The mixture of sour barium composition.
2. food machinery special grease according to claim 1, it is characterised in that be by the raw material system of following parts by weight ：
300 parts of base oil, the base oil are food-grade mineral white oil；
56 parts of aliphatic acid, the stearic acid are ten dihydroxystearic acids for meeting food requirement；
15 parts of calcium hydroxide；
7.5 parts of lithium hydroxide；
1.5 parts of inorganic acid, the inorganic acid are boric acid；
3.5 parts of antioxidant, the antioxidant are polytetrafluoroethylene powder；
10 parts of antirust agent, the mixture which is made of the dinonyl naphthalene sulfonate barium of the Si Ben -80 and 30wt% of 70wt%.
A kind of 3. preparation method of the food machinery special grease described in claim 1 or 2, it is characterised in that specific steps For：
（1）Base oil is added into agitating and heating in reaction kettle, 80 DEG C of addition aliphatic acid is warming up to, 90 DEG C is continuously heating to after dissolving The aqueous solution of lithium hydroxide and calcium hydroxide is added, is uniformly mixed rear constant temperature 30min；
（2）Continue to heat up after constant temperature, be warming up to 100~110 DEG C of addition boric acid aqueous solutions, stir evenly rear constant temperature 30min；
（3）It is dehydrated after constant temperature, then is warming up to 140 DEG C of constant temperature 1h, 220 DEG C of progress high temperature refinings is warming up to after constant temperature 10min, continues stirring cooling, antioxidant and antirust agent is added when temperature is down to below 90 DEG C, through equal after being uniformly mixed Matter machine goes out fat up to food machinery special grease.
CN201711414709.6A 2017-12-25 2017-12-25 A kind of food machinery special grease and preparation method thereof Pending CN107955694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN107955694A true CN107955694A (en) 2018-04-24

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110295081A (en) * 2019-07-11 2019-10-01 宁波启航润滑油有限公司 A kind of lubricating grease and its preparation method and application of nontoxic noise reduction
CN115368953A (en) * 2022-09-26 2022-11-22 河南倍佳润滑科技股份有限公司 Food-grade calcium-sodium lubricating grease and application thereof
CN115786017A (en) * 2022-10-19 2023-03-14 无锡中石油润滑脂有限责任公司 Food-grade white special lubricating grease and preparation method thereof
WO2023179897A1 (en) 2022-03-25 2023-09-28 Klueber Lubrication Muenchen Se & Co. Kg Use of a lubricant composition for lubricating equipment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104449983A (en) * 2014-10-25 2015-03-25 中国石油化工股份有限公司 Lithium-calcium complex lubricating grease composition and preparation method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104449983A (en) * 2014-10-25 2015-03-25 中国石油化工股份有限公司 Lithium-calcium complex lubricating grease composition and preparation method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110295081A (en) * 2019-07-11 2019-10-01 宁波启航润滑油有限公司 A kind of lubricating grease and its preparation method and application of nontoxic noise reduction
CN110295081B (en) * 2019-07-11 2021-10-22 宁波启航润滑油有限公司 Non-toxic noise-reducing lubricating grease and preparation method and application thereof
WO2023179897A1 (en) 2022-03-25 2023-09-28 Klueber Lubrication Muenchen Se & Co. Kg Use of a lubricant composition for lubricating equipment
CN115368953A (en) * 2022-09-26 2022-11-22 河南倍佳润滑科技股份有限公司 Food-grade calcium-sodium lubricating grease and application thereof
CN115786017A (en) * 2022-10-19 2023-03-14 无锡中石油润滑脂有限责任公司 Food-grade white special lubricating grease and preparation method thereof
CN115786017B (en) * 2022-10-19 2024-05-14 无锡中石油润滑脂有限责任公司 Food-grade white special lubricating grease and preparation method thereof

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Application publication date: 20180424