CN107699328A - A kind of biodegradation type lubricating grease - Google Patents

A kind of biodegradation type lubricating grease Download PDF

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Publication number
CN107699328A
CN107699328A CN201710983993.2A CN201710983993A CN107699328A CN 107699328 A CN107699328 A CN 107699328A CN 201710983993 A CN201710983993 A CN 201710983993A CN 107699328 A CN107699328 A CN 107699328A
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CN
China
Prior art keywords
parts
lubricating grease
type lubricating
biodegradation type
extreme pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710983993.2A
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Chinese (zh)
Inventor
高晓谋
高荣权
何甲生
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.)
Anhui Zhong Tian Petrochemical Co Ltd
Original Assignee
Anhui Zhong Tian Petrochemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Zhong Tian Petrochemical Co Ltd filed Critical Anhui Zhong Tian Petrochemical Co Ltd
Priority to CN201710983993.2A priority Critical patent/CN107699328A/en
Publication of CN107699328A publication Critical patent/CN107699328A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • 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
    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C10M2201/066—Molybdenum sulfide
    • 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
    • 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
    • C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
    • C10M2207/044—Cyclic ethers having four or more ring atoms, e.g. furans, dioxolanes
    • 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
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/122—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms 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
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40—Fatty vegetable or animal oils
    • C10M2207/401—Fatty vegetable or animal oils 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
    • C10M2207/40—Fatty vegetable or animal oils
    • C10M2207/402—Castor oils
    • 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
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
    • C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
    • 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
    • C10M2223/049—Phosphite
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy

Abstract

The present invention relates to a kind of biodegradation type lubricating grease, include the raw material of following parts by weight：45 55 parts of rapeseed oil, 25 35 parts of castor oil, 8 15 parts of pentaerythritol ester, 10 25 parts of bentonite, 0.5 2 parts of dispersant, 0.5 2 parts of antioxidant, 0.1 0.5 parts of preservative, 0.2 0.8 parts of extreme pressure anti-wear additives, 0.1 0.5 parts of filler, 0.1 0.5 parts of antirust agent.The lubricating grease good combination property of the present invention, property indices reach requirement, and biological degradation rate reaches more than 90%.There are the extreme pressure anti-wear additives to act synergistically by adding di-n-butyl phosphite and dibenzyldisulfide, substantially increase lubricating grease extreme pressure anti-wear, by adding filler, not only increase the sintering load for improving lubricating grease, while reduce grinding defect diameter.There is the antioxidant of synergy by adding thiocarbamate, vitamin C and tocopherol, further increase the oxidation stability of lubricating grease.

Description

A kind of biodegradation type lubricating grease
Technical field
The invention belongs to technical field of lubricating grease, more particularly to a kind of biodegradation type lubricating grease.
Background technology
Lubricating grease is a kind of lubriation material between liquid and solid, its yield institute's accounting in whole lubrication product Example is far away from lubricating oil.But grease lubrication performance is better than lubricating oil, in normal temperature state, it can be adsorbed in metal watch Without flowing on face；In heated or mechanism, lubricating grease is thinning, can as liquid lubrication friction surface, work as heat effect Tapered into mechanism to when disappearing, lubricating grease recovers its state.Because lubricating grease has this particularity, therefore, The fields such as industry, agricultural, communications and transportation, national defense industry are widely used, and turn into most promising lubriation material One of.
In recent years, developing rapidly and improving with China's industrial manufacturing level, the mechanization degree of all trades and professions is continuous Improve, to use and consume every year a large amount of lubricating grease, cause the pollution to environment, soil and water body, destroy ecological environment.Government Department also begins to increasingly pay close attention to lubricating grease to pollution problem caused by environment, so, the biodegradation type lubrication of environment-friendly type Fat also necessarily turns into one of following lubricating grease development trend.
The content of the invention
It is an object of the invention to：There is provided a kind of combination property good biodegradation type lubricating grease.
To achieve these goals, the present invention provides following technical scheme：
A kind of biodegradation type lubricating grease, include the raw material of following parts by weight：
Rapeseed oil 45-55 parts, castor oil 25-35 parts, pentaerythritol ester 8-15 parts, bentonite 10-25 parts, dispersant 0.5- 2 parts, antioxidant 0.5-2 parts, preservative 0.1-0.5 parts, extreme pressure anti-wear additives 0.2-0.8 parts, filler 0.1-0.5 parts, antirust Agent 0.1-0.5 parts.
Preferably, a kind of biodegradation type lubricating grease, the raw material of following parts by weight is included：
50 parts of rapeseed oil, 30 parts of castor oil, 12 parts of pentaerythritol ester, 20 parts of bentonite, 1 part of dispersant, antioxidant 1.2 Part, 0.2 part of preservative, 0.5 part of extreme pressure anti-wear additives, 0.2 part of filler, 0.2 part of antirust agent.
Preferably, described dispersant is ethanol.
Preferably, described antioxidant be by mass ratio be 8：1：1 thiocarbamate, vitamin C and fertility Phenol forms.
Preferably, described preservative is sodium Diacetate.
Preferably, described extreme pressure anti-wear additives be by mass ratio be 2：3 di-n-butyl phosphite and benzyl disulfide Thing forms.
Preferably, described filler be by mass ratio be 1：1 graphite and molybdenum disulfide composition.
Preferably, described antirust agent is span 80.
The beneficial effects of the present invention are：
The lubricating grease good combination property of the present invention, property indices reach requirement, and biological degradation rate reaches More than 90%.There are the extreme pressure anti-wear additives to act synergistically by adding di-n-butyl phosphite and dibenzyldisulfide, significantly Lubricating grease extreme pressure anti-wear is improved, by adding filler, the sintering load for improving lubricating grease is not only increased, reduces simultaneously Grinding defect diameter.There is the antioxidant of synergy by adding thiocarbamate, vitamin C and tocopherol, further Add the oxidation stability of lubricating grease.
Specific embodiment
Embodiment 1
A kind of biodegradation type lubricating grease, include the raw material of following parts by weight：
45 parts of rapeseed oil, 25 parts of castor oil, 8 parts of pentaerythritol ester, 10 parts of bentonite, 0.5 part of ethanol, thiocarbamic acid 0.4 part of ester, 0.05 part of vitamin C, 0.05 part of tocopherol, 0.1 part of sodium Diacetate, 0.08 part of di-n-butyl phosphite, dibenzyl 0.12 part of disulphide, 0.05 part of graphite, 0.05 part of molybdenum disulfide, 0.1 part of span 80.
Embodiment 2
A kind of biodegradation type lubricating grease, include the raw material of following parts by weight：
50 parts of rapeseed oil, 30 parts of castor oil, 12 parts of pentaerythritol ester, 20 parts of bentonite, 1 part of ethanol, thiocarbamic acid 0.96 part of ester, 0.12 part of vitamin C, 0.12 part of tocopherol, 0.2 part of sodium Diacetate, 0.2 part of di-n-butyl phosphite, dibenzyl 0.3 part of disulphide, 0.1 part of graphite, 0.1 part of molybdenum disulfide, 0.2 part of span 80.
Embodiment 3
A kind of biodegradation type lubricating grease, include the raw material of following parts by weight：
55 parts of rapeseed oil, 35 parts of castor oil, 15 parts of pentaerythritol ester, 25 parts of bentonite, 2 parts of ethanol, thiocarbamic acid 1.6 parts of ester, 0.2 part of vitamin C, 0.2 part of tocopherol, 0.5 part of sodium Diacetate, 0.32 part of di-n-butyl phosphite, dibenzyl two 0.48 part of sulfide, 0.25 part of graphite, 0.25 part of molybdenum disulfide, 0.5 part of span 80.
The application note of the present invention：
Present invention is mainly applied to metallurgical, mining and various outdoor gear, fluted disc, rack and the chains and biography of engineering machinery The lubrication of motivation structure；It is also applied for the lubrication of various hinges, slideway and steel cable.
Temperature in use：- 30 DEG C~150 DEG C
The performance detection data such as table 1 below of the lubricating grease of the present invention：
Table 1 is the performance detection data of the lubricating grease of the present invention
As can be seen from Table 1：
Lubricating grease prepared by the present invention has excellent extreme pressure anti-wear, inoxidizability and water-resistance, excellent colloid Stability, mechanical stability, low volatility and anticorrosive property, it can meet that equipment lubricates in the presence of a harsh environment and environmental protection will simultaneously Ask.

Claims (8)

  1. A kind of 1. biodegradation type lubricating grease, it is characterised in that：Include the raw material of following parts by weight：
    Rapeseed oil 45-55 parts, castor oil 25-35 parts, pentaerythritol ester 8-15 parts, bentonite 10-25 parts, dispersant 0.5-2 parts, Antioxidant 0.5-2 parts, preservative 0.1-0.5 parts, extreme pressure anti-wear additives 0.2-0.8 parts, filler 0.1-0.5 parts, antirust agent 0.1-0.5 parts.
  2. A kind of 2. biodegradation type lubricating grease according to claim 1, it is characterised in that：Include the original of following parts by weight Material：
    50 parts of rapeseed oil, 30 parts of castor oil, 12 parts of pentaerythritol ester, 20 parts of bentonite, 1 part of dispersant, 1.2 parts of antioxidant, 0.2 part of preservative, 0.5 part of extreme pressure anti-wear additives, 0.2 part of filler, 0.2 part of antirust agent.
  3. A kind of 3. biodegradation type lubricating grease according to claim 1, it is characterised in that：Described dispersant is second Alcohol.
  4. A kind of 4. biodegradation type lubricating grease according to claim 1, it is characterised in that：Described antioxidant be by Mass ratio is 8：1：1 thiocarbamate, vitamin C and tocopherol composition.
  5. A kind of 5. biodegradation type lubricating grease according to claim 1, it is characterised in that：Described preservative is double second Sour sodium.
  6. A kind of 6. biodegradation type lubricating grease according to claim 1, it is characterised in that：Described extreme pressure anti-wear additives are It is 2 by mass ratio：3 di-n-butyl phosphite forms with dibenzyldisulfide.
  7. A kind of 7. biodegradation type lubricating grease according to claim 1, it is characterised in that：Described filler is by matter Amount is than being 1：1 graphite and molybdenum disulfide composition.
  8. A kind of 8. biodegradation type lubricating grease according to claim 1, it is characterised in that：Described antirust agent is this disk 80。
CN201710983993.2A 2017-10-20 2017-10-20 A kind of biodegradation type lubricating grease Pending CN107699328A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710983993.2A CN107699328A (en) 2017-10-20 2017-10-20 A kind of biodegradation type lubricating grease

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710983993.2A CN107699328A (en) 2017-10-20 2017-10-20 A kind of biodegradation type lubricating grease

Publications (1)

Publication Number Publication Date
CN107699328A true CN107699328A (en) 2018-02-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108587748A (en) * 2018-06-07 2018-09-28 芜湖市欧贝润滑剂有限责任公司 A kind of wear-resistant antirust chain grease

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101619261A (en) * 2009-07-17 2010-01-06 无锡中石油润滑脂有限责任公司 Flame-retarded lubricating grease and preparation method thereof
CN102433195A (en) * 2011-10-24 2012-05-02 中国石油化工股份有限公司 Open gear lubricating grease composition
CN103265999A (en) * 2013-05-19 2013-08-28 广西大学 Biodegradable lubricating grease
CN103497812A (en) * 2013-08-29 2014-01-08 中国石油化工股份有限公司 Biodegradable bentonite lubricating grease composition and preparation method thereof
US20140256605A1 (en) * 2013-03-08 2014-09-11 Elevance Renewable Sciences, Inc. Natural oil based grease compositions and processes for making such compositions
CN106367186A (en) * 2016-08-30 2017-02-01 宝捷润滑油镇江有限公司 Degradable lubricant based on plant oil
CN106398830A (en) * 2016-08-30 2017-02-15 宝捷润滑油镇江有限公司 Environment-friendly biodegradable lubricating grease for vehicles and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101619261A (en) * 2009-07-17 2010-01-06 无锡中石油润滑脂有限责任公司 Flame-retarded lubricating grease and preparation method thereof
CN102433195A (en) * 2011-10-24 2012-05-02 中国石油化工股份有限公司 Open gear lubricating grease composition
US20140256605A1 (en) * 2013-03-08 2014-09-11 Elevance Renewable Sciences, Inc. Natural oil based grease compositions and processes for making such compositions
CN103265999A (en) * 2013-05-19 2013-08-28 广西大学 Biodegradable lubricating grease
CN103497812A (en) * 2013-08-29 2014-01-08 中国石油化工股份有限公司 Biodegradable bentonite lubricating grease composition and preparation method thereof
CN106367186A (en) * 2016-08-30 2017-02-01 宝捷润滑油镇江有限公司 Degradable lubricant based on plant oil
CN106398830A (en) * 2016-08-30 2017-02-15 宝捷润滑油镇江有限公司 Environment-friendly biodegradable lubricating grease for vehicles and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108587748A (en) * 2018-06-07 2018-09-28 芜湖市欧贝润滑剂有限责任公司 A kind of wear-resistant antirust chain grease

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Application publication date: 20180216

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