CN108559612A - A kind of preparation method of soap-base lubricant - Google Patents

A kind of preparation method of soap-base lubricant Download PDF

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Publication number
CN108559612A
CN108559612A CN201810352251.4A CN201810352251A CN108559612A CN 108559612 A CN108559612 A CN 108559612A CN 201810352251 A CN201810352251 A CN 201810352251A CN 108559612 A CN108559612 A CN 108559612A
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lotion
water
soap
preparation
base lubricant
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CN108559612B (en
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陈文�
卢志敏
刘保
蔡熙扬
沈平
何辉
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Guangzhou Daily Chemical Industry Research Institute Co ltd
Guangzhou Langqi Daily Necessities Co ltd
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GUANGZHOU DAILY CHEMICAL INDUSTRY INSTITUTE Co Ltd
LANGQI INDUSTRY Co Ltd GUANGZHOU
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M177/00Special 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
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M117/00Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M117/00Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
    • C10M117/02Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M117/00Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
    • C10M117/02Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
    • C10M117/04Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen containing hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M117/00Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
    • C10M117/06Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having more than one carboxyl group bound to an acyclic carbon atom or cycloaliphatic carbon atom
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating 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
    • C10M169/06Mixtures of thickeners and additives
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02Hydroxy compounds
    • C10M2207/021Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125Carboxylix 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
    • C10M2207/1256Carboxylix 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 used as thickening agent
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40Fatty vegetable or animal oils
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40Fatty vegetable or animal oils
    • C10M2207/402Castor oils
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/042Sulfate esters
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02Pour-point; Viscosity index
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/08Resistance to extreme temperature

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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)
  • Cosmetics (AREA)
  • Lubricants (AREA)

Abstract

The purpose of the present invention is to provide a kind of preparation method of soap-base lubricant, the preparation method mild condition, the reaction time is short, can effectively improve the efficiency of reaction, reduces energy consumption.The present invention is by grease emulsifying at the lotion of W/O/W, reach microemulsified effect, the grain size of lotion is 50~100nm, and grease is made adequately to have been disperseed before carrying out saponification, increase the surface area that grease is contacted with lye in saponification, is conducive to the progress of reaction.In saponification process, it will not be demulsified, only intermediate layer material changes, after reaction, oil layer becomes fatty acid soaps layer, is wrapped up by fatty acid soaps by the water layer of oil layer package before reaction, it is evenly distributed on fatty acid soaps internal layer, becomes the peptizing agent of lubricant.

Description

A kind of preparation method of soap-base lubricant
Technical field
The invention belongs to field of lubricant more particularly to a kind of preparation methods of soap-base lubricant.
Background technology
Soap-base lubricant is the lubricating grease that fatty acid soaps make thickening agent.Common are calcium base, anhydrous calcium base, composite calcium-base, The lubricating grease such as Composite calcium-sulfonate-batetrapolyurea, sodium base amine sodium base, aluminium base, composite aluminum base, lithium base, compound lithium base.Calcium sodium base, barium base and lead base Lubricating grease has been eliminated.Since the characteristic of various aliphatic acid is different, the performance of obtained lubricating grease is also different.
It is to make thickening agent with fatty acid soaps that lubricating grease, which has 90%, i.e., saponification system occurs with alkali with fat or aliphatic acid At.Common fat and aliphatic acid have butter, lard, cotton seed oil, stearic acid, 12- carboxyl stearic acid etc., also have using oxidation stone Synthetic fatty acid made of wax, but effect is not as good as natural acid.Bases used is generally the hydrogen of alkali and alkaline earth metal ions Oxide, such as sodium hydroxide, calcium hydroxide, lithium hydroxide.
Soap-base lubricant is widely used because having good lubrication and protective action to mechanical part.But existing In technology, conventional fat saponification technique needs high temperature to react for a long time, and general saponification temperature needs to be more than 100 DEG C, saponification At least 3~4 hours time, reaction efficiency is low, high energy consumption, can not adapt to current growing lubricant demand.Therefore, having must Research and develop the soap-base lubricant that a kind of Saponification Conditions are mild, saponification time is short.
Invention content
The object of the present invention is to provide a kind of preparation method of soap-base lubricant, the preparation method mild condition, instead It is short between seasonable, the efficiency of reaction can be effectively improved, energy consumption is reduced.
The invention is realized by the following technical scheme:
A kind of preparation method of soap-base lubricant, comprises the steps of:
1) emulsifier of grease, HLB value < 6 is uniformly mixed, obtains oil phase, water, polyalcohol are uniformly mixed, water is obtained Water phase A is slowly added to continue to stir in oil phase to emulsify, obtains lotion a, lotion a is that oil wraps by phase A after being sufficiently stirred The lotion of water-bound;
2) polyalcohol, the emulsifier of HLB value > 15, water are uniformly mixed, obtain aqueous phase B, by the lotion a obtained by step 1) It is added in aqueous phase B to continue to stir under stiring and be emulsified, obtain lotion b, lotion b is the lotion of W/O/W structure;
3) potassium hydroxide, water are mixed to get potassium hydroxide solution, then add the lotion b that step 2) obtains under stiring Enter into potassium hydroxide solution and carry out saponification, obtains soap-base lubricant.
Preferably, the emulsifier of 40~48% greases, 3~5%HLB values < 6 is uniformly mixed by the step 1), obtains oil 3~5% water, 4~6% polyalcohols are uniformly mixed, obtain water phase A by phase;It is highly preferred that the step 1) is oily by 42~46% Fat, the emulsifier of 3.5~4%HLB values < 6 are uniformly mixed, obtain oil phase, and 3.5~4% water, 5~5.5% polyalcohols are mixed Uniformly, water phase A is obtained.
Preferably, after step 1) the water phase A is sufficiently stirred under the mixing speed of 1000~1200rpm, water phase A is delayed Continue stirring in slow addition oil phase to be emulsified, emulsifying temperature is 40~50 DEG C, and emulsification times are 25~35min, obtain lotion A, lotion a are the lotion of Water-In-Oil structure.
Preferably, the step 2) mixes 4~6% polyalcohols, the emulsifier of 2~3%HLB values > 15,7~12% water Uniformly, aqueous phase B is obtained;It is highly preferred that the step 2) is by 4.5~5% polyalcohols, the emulsifier of 2~3%HLB values > 15,8 ~10% water is uniformly mixed, and obtains aqueous phase B.
Preferably, step 2) the lotion a, which is added under the mixing speed of 600~800rpm in aqueous phase B, continues to stir It is emulsified, emulsifying temperature is 30~40 DEG C, and emulsification times are 20~30min, obtains lotion b, and lotion b is W/O/W knot The lotion of structure.
Preferably, 10~15% potassium hydroxide, 10~15% water are mixed to get potassium hydroxide solution by the step 3);More Preferably, 11~13% potassium hydroxide, 13~15% water are mixed to get potassium hydroxide solution by the step 3).
Preferably, step 3) the lotion b be added under the mixing speed of 600~800rpm in potassium hydroxide solution into Row saponification, it is 40~50 DEG C to keep reaction temperature, reacts 50~80min.
Above-described percentage is that constituent mass accounts for the percentage for preparing raw material gross mass needed for the soap-base lubricant Than.
Preferably, the polyalcohol is the compounding of one or more of propylene glycol, glycerine, sorbierite.
The principle of the present invention is:By first being slowly added to step 1) the water phase A to be stirred emulsification in oil phase, formed The lotion a of Water-In-Oil structure;Then lotion a is slowly added in step 2) be stirred emulsification in aqueous phase B, is further formed The lotion of W/O/W structure reaches microemulsified effect, and the grain size of lotion is 50~100nm, keeps grease anti-in progress saponification It should adequately have been disperseed before, increase the surface area that grease is contacted with lye in saponification, be conducive to the progress of reaction. It in saponification process, will not be demulsified, only intermediate layer material changes, and after reaction, oil layer becomes aliphatic acid Soap layer is wrapped up by the water layer of oil layer package by fatty acid soaps before reaction, and water is evenly distributed on fatty acid soaps internal layer, becomes lubrication The peptizing agent of agent.The present invention due to preparation process unlike the prior art so that the microstructure of lubricant is moistened with conventional soap base Lubrication prescription is different, and performance, which also obtains, significantly to be promoted.
The present invention has the advantages that compared with prior art:
1. grease microemulsified before saponification forms the lotion of W/O/W structure, adequately disperseed, in soap Change and increase the surface area that grease is contacted with lye in reaction, improves reaction rate, 95 were foreshortened to from 3~4 hours of the prior art ~145 minutes, and saponification is easier to make under mild reaction conditions, it is anti-more than 100 DEG C from the prior art Temperature is answered to drop to 30~50 DEG C;
2. the present invention is not in be demulsified and destroy the emulsion structure of W/O/W in saponification process, in reaction process In only intermediate layer material change, after reaction, oil layer becomes fatty acid soaps layer, the water wrapped up by oil layer before reaction Layer is wrapped up by fatty acid soaps, is evenly distributed on fatty acid soaps internal layer, is become the peptizing agent of lubricant, wrapped moisture is difficult to steam Hair, reduces the evaporativity of lubricant, keeps lubricant more stable, improves the performance under hot conditions;
3. emulsion state makes lubricant have better adhesiveness, it can preferably be adhered in machinery equipment, have simultaneously There is better mobility, reduces resistance when machine run, reduce the loss of power.
Specific implementation mode
Below by way of specific embodiment, the invention will be further elaborated.
In embodiment of the present invention, the grease used is coconut oil, castor oil, cottonseed oil, palm oil, palm kernel One or more mixtures in oil, rape oil, tallow oil;The emulsifier of HLB value < 6 be selected from ethoxylated dodecyl alcohol -2, In ethoxylated dodecyl alcohol -3, ethoxylated dodecyl alcohol -7, ethoxylated dodecyl alcohol -9, Span-80, this disk -60 The emulsifier of one or more kinds of compoundings, HLB value > 15 is selected from polyethers L35, sldium lauryl sulfate, enuatrol, Tween-20 One or more of compounding, the polyalcohol used is selected from propylene glycol, glycerine, one or more of sorbierite Compounding.
The soap-base lubricant in various embodiments of the present invention is prepared by the following method:
1) emulsifier of grease, HLB value < 6 is uniformly mixed, obtains oil phase, water, polyalcohol are uniformly mixed, water is obtained Water phase A is slowly added to continue to stir in oil phase to emulsify, obtains lotion a, lotion a is that oil wraps by phase A after being sufficiently stirred The lotion of water-bound;
2) polyalcohol, the emulsifier of HLB value > 15, water are uniformly mixed, obtain aqueous phase B, by the lotion a obtained by step 1) It is added in aqueous phase B to continue to stir under stiring and be emulsified, obtain lotion b, lotion b is the lotion of W/O/W structure;
3) potassium hydroxide, water are mixed to get potassium hydroxide solution, then add the lotion b that step 2) obtains under stiring Enter into potassium hydroxide solution and carry out saponification, obtains soap-base lubricant.
The specific component of each embodiment and the reaction condition of preparation are as shown in following table -1:
Table -1
The lubricant that soap-base lubricant obtained by embodiment 2 is synthesized with conventional saponification method is subjected to contrast test, test As a result as shown in following table -2.
Table -2
From the contrast test result of table -2 as it can be seen that the soap synthesized compared to the lubricant that conventional saponification method synthesizes, embodiment 2 Base lubricating agent has higher dropping point, heat resistance more preferable;Divide oil cut rate low, the colloid stability under hot conditions is good, in machine It is not easy a point oily phenomenon occur in operation;Evaporation capacity is low, and oxidation stability is good, and water leaching number of dropouts is low, more stablizes;It is similar Viscosity is low, and friction loss is small in machine running process, and greasy property is more preferable.
Soap-base lubricant obtained by embodiment 1, embodiment 3~6 obtains and result similar in embodiment 2 afterwards after testing. Grease of the present invention can be various in coconut oil, castor oil, cottonseed oil, palm oil, palm-kernel oil, rape oil, tallow oil etc. It is freely replaced between one or more mixtures in vegetable and animals oils;The emulsifier of the HLB < 6 can be in laruyl alcohol polyoxy Vinethene -2, ethoxylated dodecyl alcohol -3, ethoxylated dodecyl alcohol -7, ethoxylated dodecyl alcohol -9, Span-80, this It is freely replaced between the compounding of one or more of the various emulsifiers such as disk -60;The emulsifier of HLB > 15 can be poly- Between the compounding of one or more of the various emulsifiers such as ether L35, sldium lauryl sulfate, enuatrol, Tween-20 freely It replaces;The polyalcohol can between the compounding of one or more of the polyalcohols such as propylene glycol, glycerine, sorbierite from By replacing.Above-mentioned freely replacing can make soap-base lubricant obtained reach similar effect.
It should be pointed out that above-mentioned specific embodiment is only the further explanation to the present invention rather than limits, for For those skilled in the art, without departing from the principle of the present invention, can also make it is several improvement and Retouching, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of preparation method of soap-base lubricant, which is characterized in that comprise the steps of:
1)The emulsifier of grease, HLB value < 6 is uniformly mixed, oil phase is obtained;Water, polyalcohol are uniformly mixed, water phase A is obtained, After being sufficiently stirred, water phase A is slowly added to continue to stir in oil phase to emulsify, obtains lotion a, lotion a is Water-In-Oil knot The lotion of structure;
2)Polyalcohol, the emulsifier of HLB value > 15, water are uniformly mixed, aqueous phase B is obtained;By step 1)The lotion a of gained is being stirred It mixes down to be added in aqueous phase B to continue to stir and be emulsified, obtain lotion b, lotion b is the lotion of W/O/W structure;
3)Potassium hydroxide, water are mixed to get potassium hydroxide solution;Then by step 2)Obtained lotion b is added under stiring Saponification is carried out in potassium hydroxide solution, obtains soap-base lubricant.
2. the preparation method of soap-base lubricant according to claim 1, which is characterized in that the step 1)By 40~48% Grease, the emulsifier of 3~5% HLB value < 6 are uniformly mixed, obtain oil phase;3~5% water, 4~6% polyalcohols are uniformly mixed, Obtain water phase A.
3. the preparation method of soap-base lubricant according to claim 2, which is characterized in that the step 1)By 42~46% Grease, the emulsifier of 3.5~4% HLB value < 6 are uniformly mixed, obtain oil phase;3.5~4% water, 5~5.5% polyalcohols are mixed It closes uniformly, obtains water phase A.
4. according to the preparation method of claims 1 to 3 any one of them soap-base lubricant, which is characterized in that step 1)It is described After water phase A is sufficiently stirred under the mixing speed of 1000~1200rpm, water phase A is slowly added to continue stirring progress in oil phase Emulsification, emulsifying temperature are 40~50 DEG C, and emulsification times are 25~35min, obtain lotion a, and lotion a is the breast of Water-In-Oil structure Liquid.
5. the preparation method of soap-base lubricant according to claim 1, which is characterized in that the step 2)More than 4~6% First alcohol, the emulsifier of 2~3% HLB value > 15,7~12% water are uniformly mixed, and obtain aqueous phase B.
6. the preparation method of soap-base lubricant according to claim 5, which is characterized in that the step 2)By 4.5~5% Polyalcohol, the emulsifier of 2~3% HLB value > 15,8~10% water are uniformly mixed, and obtain aqueous phase B.
7. according to the preparation method of 1,5,6 any one of them soap-base lubricant of claim, which is characterized in that step 2)It is described Lotion a is added in aqueous phase B to continue to stir under the mixing speed of 600~800rpm and be emulsified, and emulsifying temperature is 30~40 DEG C, emulsification times are 20~30min, obtain lotion b, and lotion b is the lotion of W/O/W structure.
8. the preparation method of soap-base lubricant according to claim 1, which is characterized in that the step 3)By 10~15% Potassium hydroxide, 10~15% water are mixed to get potassium hydroxide solution.
9. the preparation method of soap-base lubricant according to claim 8, which is characterized in that the step 3)By 11~13% Potassium hydroxide, 13~15% water are mixed to get potassium hydroxide solution.
10. according to the preparation method of 1,8,9 any one of them soap-base lubricant of claim, which is characterized in that step 3)Institute It states lotion b and is added under the mixing speed of 600~800rpm in potassium hydroxide solution and carry out saponification, keep reaction temperature It is 40~50 DEG C, reacts 50~80min.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109233984A (en) * 2018-10-30 2019-01-18 长沙博大机械零部件有限公司 A kind of environment-friendly and energy-efficient phosphatization saponification formula and preparation method thereof and saponification process
CN112410095A (en) * 2020-12-01 2021-02-26 浙江可思克高新材料股份有限公司 Preparation method of lubricant

Citations (5)

* Cited by examiner, † Cited by third party
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