CN105733748A - Low-viscosity energy-saving engine friction reducer and preparation method thereof - Google Patents

Low-viscosity energy-saving engine friction reducer and preparation method thereof Download PDF

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Publication number
CN105733748A
CN105733748A CN201610173185.5A CN201610173185A CN105733748A CN 105733748 A CN105733748 A CN 105733748A CN 201610173185 A CN201610173185 A CN 201610173185A CN 105733748 A CN105733748 A CN 105733748A
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saving engine
viscosity energy
low viscosity
parts
friction agent
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CN105733748B (en
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黄毅
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Shenzhen Jimmy Chemical Technology Co., Ltd.
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黄毅
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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
    • C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, 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
    • C10M2201/087—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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/022—Ethene
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/024—Propene
    • 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
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • 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
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/02—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen and halogen only
    • 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
    • C10M2215/086—Imides
    • 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
    • C10M2227/066—Organic compounds derived from inorganic acids or metal salts derived from Mo or W
    • 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
    • C10N2030/12—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
    • C10N2030/76—Reduction of noise, shudder, or vibrations
    • 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
    • C10N2040/25—Internal-combustion engines

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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 low-viscosity energy-saving engine friction reducer and a preparation method thereof. The low-viscosity energy-saving engine friction reducer is prepared from the following raw materials in parts by weight: 10-20 parts of organic molybdenum, 5-10 parts of polytetrafluoroethylene, 8-12 parts of ethylene-propylene copolymer, 5-15 parts of modified nano calcium borate, 15-25 parts of monoalkenyl succimide and 40-60 parts of base oil. The preparation method is simple, and can effectively prevent the lubricating oil from generating deposits in the use process. The low-viscosity energy-saving engine friction reducer has the advantages of excellent friction resistance, excellent friction improvement and excellent rust resistance. When being added into the lubricating oil, the low-viscosity energy-saving engine friction reducer can lower the oil consumption and noise of the motor vehicle, the exhaust emission can reach the standard, and the service life of the entire vehicle is prolonged.

Description

A kind of low viscosity energy-saving engine anti-friction agent and preparation method thereof
Technical field
The present invention relates to engine lubricating oil technical field, be specifically related to a kind of energy-conservation of low viscosity Motivation anti-friction agent and preparation method thereof.
Background technology
In recent years, due to worldwide oil shortage and the rise of fuel price, fuel economy Property become one of international much-talked-about topic, additionally, due to also relate to natural resources and enviroment protect The problem such as protecting, the fuel efficiency of vehicle the most increasingly causes the common concern of people.The U.S. is common Average fuel economy (CAFE) requires that automobile to have high fuel economy, and legislation demands is beautiful The vehicle fuel economy index nineteen ninety of state is 8.6 L/100 km, will carry during by 2003 High to 6.7 L/100 km；Japan then proposes the vehicle fuel economy ratio 1995 of 2010 Year improves 23%, reaches the index request of 6.6 L/100 km；European Union is the most studying the fullest The vehicle fuel economy index of foot 6 L/100 km in 2008.China is the most by energy-conservation and ring Guarantor's problem has been listed among sustainable development plan.
Improving fuel economy can be by improving electromotor design, raising fuel mass, improving and send out The approach such as motivation lubricants performance realize.Research shows, effective energy produced by fuel combustion 60% is lost in cylinder cooling and exhaust process, and only 40% is supplied to power.Wherein provide It is lost in friction to the effective energy of power 25%.As can be seen here, improve engine oil performance, Reducing friction loss is one of effective way improving fuel economy.
Summary of the invention
For deficiency of the prior art, one of present invention solves the technical problem that and to be to provide one The energy-conservation anti-friction agent of ultra-low viscosity.
Two present invention solves the technical problem that are to provide the preparation method of above-mentioned anti-friction agent.
The technical scheme is that
A kind of low viscosity energy-saving engine anti-friction agent, is made up of the raw material of following weight parts: organic Molybdenum 10-20 part, politef 5-10 part, ethylene-propylene copolymer 8-12 part, modified Nano boron Acid calcium 5-15 part, mono alkenyl succimide 15-25 part, base oil 40-60 part.
Described base oil is by di-n-octyl sebacate, Dermol DIPS, tetramethylolmethane four meat Myristate mixes, described di-n-octyl sebacate, Dermol DIPS, tetramethylolmethane The mass ratio of four myristinates is (1-3): (1-3): (1-3).
Preferably, described organic-molybdenum is by 40-60wt%N, N-bis-(2-ethylhexyl) two sulfur For carbamic acid molybdenum and 40-60wt%N, N-bis-(12) alkyl molybdenum dithiocarbamate group Become.
Preferably, described modified Nano Calcium pyroborate is oleic acid modified Nano Calcium pyroborate.
Preferably, described politef is ptfe micropowder.
The invention also discloses the preparation method of above-mentioned low viscosity energy-saving engine anti-friction agent, will have Machine molybdenum, politef, ethylene-propylene copolymer, modified Nano Calcium pyroborate, mono alkenyl succinyl is sub- Amine, base oil add mix homogeneously in mediation still, obtain described low viscosity energy-saving engine antifriction Agent.
Low viscosity energy-saving engine anti-friction agent of the present invention, preparation method is simple, can effectively prevent The deposit that lubricating oil in use produces, has excellent wear resistence, friction changes simultaneously Enter agent and rust-preventing characteristic, when the present invention is added to use in lubricating oil, this motor vehicle fuel consumption can be made Low, noise reduces, exhaust emissions is up to standard and car load extends service life.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further, the following stated, is only to this The preferred embodiment of invention, not does the restriction of other forms to the present invention, any familiar Professional and technical personnel is changed to become on an equal basis possibly also with the technology contents of the disclosure above The Equivalent embodiments changed.Every without departing from the present invention program content, the technology according to the present invention is real Any simple modification that confrontation following example are done or equivalent variations, all fall within the guarantor of the present invention In the range of protecting.
Each raw material introduction in embodiment:
Politef is ptfe micropowder, No. CAS: 9002-84-0, use Shenyang The ptfe micropowder that model is B01 that the sky, city auspicious micropowder material factory provides.
Ethylene-propylene copolymer, No. CAS: 9010-79-1, use the exploitation of grand celebration new high-tech industry The ethylene-propylene copolymer that model is T613A of Lin Qiang oil preparation Products Co., Ltd of district.
Modified Nano Calcium pyroborate is oleic acid modified Nano Calcium pyroborate, referring in particular to number of patent application: 201310293345.6 prepared by the method for middle embodiment 2.
Mono alkenyl succimide, its structural formula is as follows:
Wherein, PIB be molecular weight be the polyisobutylene of 1000, n=3.
Di-n-octyl sebacate, No. CAS: 2432-87-3.
Dermol DIPS, No. CAS: 7491-02-3.
Pentaerythritol tetramyristate, No. CAS: 18641-59-3.
N, N-bis-(2-ethylhexyl) molybdenum dithiocarbamate, its structural formula is as follows: its knot Structure formula is as follows:
Wherein R is 2-ethylhexyl.
N, N-bis-(12) alkyl molybdenum dithiocarbamate, its structural formula is as follows: its structure Formula is as follows:
Wherein R is straight chain dodecyl.
Embodiment 1
Low viscosity energy-saving engine anti-friction agent raw material (weight portion): organic-molybdenum 14 parts, poly-four Fluorothene micropowder 7 parts, ethylene-propylene copolymer 10 parts, oleic acid modified Nano Calcium pyroborate 8 parts, list Allyl butyrate imidodicarbonic diamide 20 parts, base oil 51 parts.
Described base oil is by di-n-octyl sebacate, Dermol DIPS, tetramethylolmethane four meat Myristate is uniformly mixed for 1:1:1 in mass ratio and obtains.
Described organic-molybdenum is by 50wt%N, N-bis-(2-ethylhexyl) molybdenum dithiocarbamate With 50wt%N, N-bis-(12) alkyl molybdenum dithiocarbamate is uniformly mixed and obtains.
Low viscosity energy-saving engine anti-friction agent, preparation method is:
Base oil is added in mediation still and be heated to 40 DEG C；
Adding mono alkenyl succimide, keeping temperature is 40 DEG C, and 300 revs/min are stirred 10 minutes；
Adding ptfe micropowder, ethylene-propylene copolymer, keeping temperature is 40 DEG C, 300 revs/min Stir 10 minutes；
Adding organic-molybdenum, keeping temperature is 40 DEG C, and 300 revs/min are stirred 10 minutes；
Adding oleic acid modified Nano Calcium pyroborate, at temperature is 50 DEG C, 300 revs/min of stirrings 2 are little Time.Obtain the low viscosity energy-saving engine anti-friction agent of embodiment 1 preparation.
Embodiment 2
Substantially the same manner as Example 1, it differs only in: described base oil is by decanedioic acid Diisopropyl ester, pentaerythritol tetramyristate are uniformly mixed for 1:1 in mass ratio and obtain. Obtain the low viscosity energy-saving engine anti-friction agent of embodiment 2 preparation.
Embodiment 3
Substantially the same manner as Example 1, it differs only in: described base oil is by decanedioic acid Dioctyl ester, pentaerythritol tetramyristate are uniformly mixed for 1:1 in mass ratio and obtain. Obtain the low viscosity energy-saving engine anti-friction agent of embodiment 3 preparation.
Embodiment 4
Substantially the same manner as Example 1, it differs only in: described base oil is by decanedioic acid Dioctyl ester, Dermol DIPS are uniformly mixed for 1:1 in mass ratio and obtain.Obtain reality Execute the low viscosity energy-saving engine anti-friction agent of example 4 preparation.
Embodiment 5
Substantially the same manner as Example 1, it differs only in: described organic-molybdenum is by only N, N- Two (2-ethylhexyl) molybdenum dithiocarbamate.Obtain the low viscosity joint of embodiment 5 preparation Can electromotor anti-friction agent.
Embodiment 6
Substantially the same manner as Example 1, it differs only in: described organic-molybdenum is only N, N- Two (12) alkyl molybdenum dithiocarbamate.The low viscosity obtaining embodiment 6 preparation is energy-conservation Electromotor anti-friction agent.
Test case 1
Low viscosity energy-saving engine anti-friction agent prepared by embodiment 1-6 by mass percentage 7% It is added separately in 0W20 and 10W40 finished engine oils (the most every 100 grams of engine oils addition 7 grams of low viscosity energy-saving engine anti-friction agents), after stirring, test physical and chemical index and wear-resistant Antifriction quality.
Testing equipment is that Xiamen Tenkey Automation Co., Ltd. produces the friction examination of MS-10A type four ball Test machine, steel ball size 12.7mm used, meet II grade of bearing steel of GB/T308-2002 standard Ball, material is GCrl5, and hardness HRC is 64-66.
Test method: " SH/T 0189-92 lubrication oil antiwear damages performance measurement method (four ball) ". Experimental condition: upper ball revolution is 1500r/min；Oil temperature is 40 DEG C；Time is 60min； Load is 392N.
The anti-of oil product is evaluated by this test determination wear scar diameter, coefficient of friction and machine oil temperature rise Mill antifriction performance.
After off-test, it is measured microscopically the wear scar diameter of end ball with electronics, with ball milling at the bottom of three The arithmetic mean of instantaneous value of spot diameter characterizes abrasion resistance, and wear scar diameter is the least, and abrasion resistance is the best, Evaluating antifriction ability with average friction coefficient and machine oil average temperature rising, coefficient of friction is the least, machine Oil temperature rises the least, and antifriction performance is the best.Result of the test such as table 1:
Table 1: test result table
From test result, add the low viscosity energy-saving engine anti-friction agent of the present invention, even if 0W20 rank oil viscosity also decreases, and adds wear scar diameter after agent, coefficient of friction and machine oil temperature Rise and the most significantly decline, show that added agent has prominent antiwear and friction reduction property, can be at various It is widely used in motivation oil, improves fuel economy, reduce fuel oil consumption, save a performance Source.
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (di-n-octyl sebacate, decanedioic acid Diisopropyl ester, pentaerythritol tetramyristate are compounding) antifriction performance is substantially better than embodiment 2-4 (appoints in di-n-octyl sebacate, Dermol DIPS, pentaerythritol tetramyristate Anticipate two kinds and compound)；Comparing embodiment 1 and embodiment 5-6, embodiment 1 (N, N-bis-(2- Ethylhexyl) molybdenum dithiocarbamate, N, N-bis-(12) alkyl aminodithioformic acid Molybdenum compounds) antifriction performance is substantially better than embodiment 5-6 (N, N-bis-(2-ethylhexyl) two sulfur For carbamic acid molybdenum, N, single raw material in N-bis-(12) alkyl molybdenum dithiocarbamate).
For the effect of the additive of the checking present invention further, low by the embodiment of the present invention 7 is glued Degree energy-saving engine anti-friction agent addition carries out test drive, test knot in the machine oil used by electromotor Fruit shows, after adding anti-friction agent of the present invention, its oil consumption is reduced to by original 8.2 liters/hundred kilometers 6.4 liters/hundred kilometers, ECT is dropped to 86 DEG C by original 90 DEG C, electromotor Can't hear any noise, easily, car drives ratio not with more smoothly during anti-friction agent in speed-raising.

Claims (5)

1. a low viscosity energy-saving engine anti-friction agent, it is characterised in that by following weight parts Raw material composition: organic-molybdenum 10-20 part, politef 5-10 part, ethylene-propylene copolymer 8-12 Part, modified Nano Calcium pyroborate 5-15 part, mono alkenyl succimide 15-25 part, base oil 40-60 part；
Described base oil is by di-n-octyl sebacate, Dermol DIPS, tetramethylolmethane four meat Myristate mixes, described di-n-octyl sebacate, Dermol DIPS, tetramethylolmethane The mass ratio of four myristinates is (1-3): (1-3): (1-3).
2. low viscosity energy-saving engine anti-friction agent as claimed in claim 1, it is characterised in that: Described organic-molybdenum is by 40-60wt%N, N-bis-(2-ethylhexyl) molybdenum dithiocarbamate And 40-60wt%N, N-bis-(12) alkyl molybdenum dithiocarbamate composition.
3. the low viscosity energy-saving engine anti-friction agent as described in claim 1 and 2, its feature It is: described modified Nano Calcium pyroborate is oleic acid modified Nano Calcium pyroborate.
4. the low viscosity energy-saving engine anti-friction agent as described in claim 1 and 2, its feature It is: described politef is ptfe micropowder.
5. low viscosity energy-saving engine anti-friction agent as according to any one of claim 1-4 Preparation method, it is characterised in that: by organic-molybdenum, politef, ethylene-propylene copolymer, modification Nano boric acid calcium, mono alkenyl succimide, base oil add mix homogeneously in mediation still, i.e. Obtain described low viscosity energy-saving engine anti-friction agent.
CN201610173185.5A 2016-03-24 2016-03-24 A kind of low viscosity energy-saving engine anti-friction agent and preparation method thereof Active CN105733748B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106367162A (en) * 2016-08-31 2017-02-01 湖州高源金机械有限公司 Preparation method of oleic acid modified nano calcium borate and oil preparing process thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5962377A (en) * 1995-05-31 1999-10-05 Ashland Inc. Lubricant additive formulation
CN101974361A (en) * 2010-08-20 2011-02-16 泰安天健应用技术推广中心 Multifunctional nanocomposite antiwear agent
CN103571576A (en) * 2012-07-24 2014-02-12 巴鲁德（天津）石油化工有限公司 Antiwear energy-saving lubricating oil
CN105255545A (en) * 2015-11-01 2016-01-20 刘应才 Preparation method of lubricating oil for methanol engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5962377A (en) * 1995-05-31 1999-10-05 Ashland Inc. Lubricant additive formulation
CN101974361A (en) * 2010-08-20 2011-02-16 泰安天健应用技术推广中心 Multifunctional nanocomposite antiwear agent
CN103571576A (en) * 2012-07-24 2014-02-12 巴鲁德（天津）石油化工有限公司 Antiwear energy-saving lubricating oil
CN105255545A (en) * 2015-11-01 2016-01-20 刘应才 Preparation method of lubricating oil for methanol engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106367162A (en) * 2016-08-31 2017-02-01 湖州高源金机械有限公司 Preparation method of oleic acid modified nano calcium borate and oil preparing process thereof

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