CN108822948A - A kind of preparation method of the environment-friendly type microemulsified metalworking fluid of low foam - Google Patents

A kind of preparation method of the environment-friendly type microemulsified metalworking fluid of low foam Download PDF

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CN108822948A
CN108822948A CN201810493290.6A CN201810493290A CN108822948A CN 108822948 A CN108822948 A CN 108822948A CN 201810493290 A CN201810493290 A CN 201810493290A CN 108822948 A CN108822948 A CN 108822948A
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parts
metalworking fluid
added
surfactant
emulsifier
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李国宝
林文绪
蔡雪
隋卫平
冯季军
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University of Jinan
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University of Jinan
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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
    • C10M173/00Lubricating compositions containing more than 10% water
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    • 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
    • C10M2203/00Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/106Naphthenic fractions
    • C10M2203/1065Naphthenic fractions used as base material
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    • 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
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    • 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
    • C10M2207/127Carboxylix 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 polycarboxylic
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    • 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
    • C10M2207/14Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/141Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings monocarboxylic
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    • 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
    • C10M2207/28Esters
    • C10M2207/283Esters of polyhydroxy compounds
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    • 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
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    • 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
    • C10M2209/108Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
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    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/062Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups bound to the aromatic ring
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    • 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
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22Heterocyclic nitrogen compounds
    • C10M2215/223Five-membered rings containing nitrogen and carbon only
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22Heterocyclic nitrogen compounds
    • C10M2215/225Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
    • C10M2215/226Morpholines
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    • 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
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    • 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
    • C10N2030/18Anti-foaming property
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/64Environmental friendly compositions
    • 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
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/20Metal working
    • C10N2040/22Metal working with essential removal of material, e.g. cutting, grinding or drilling

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

The present invention provides a kind of low environment-friendly type microemulsified metalworking fluid of foam, the parts by weight of raw material are:20~30 parts of mineral oil, 5~8 parts of organic dibasic acid, 3~7 parts of triethanolamine, 3~7 parts of single hydramine, hard water resistance dose 1~3 part, 0.5~1 part of antirust agent, 0.1~0.3 part of antibacterial agent, 0.1~0.3 part of preservative, 11~14 parts of surfactant, 0.2-1.0 parts of emulsifier, 30~40 parts of water.Base oil used is the mineral oil that structure is uniform, low toxicity low evil, easily emulsifies, other raw materials are free of phenols, nitrite and heavy metallic salt;The present invention also provides the preparation methods of this cutting fluid simultaneously, have lower interfacial tension using cutting fluid made from this method, thus are not easy to spume.

Description

A kind of preparation method of the environment-friendly type microemulsified metalworking fluid of low foam
Technical field
The present invention relates to metalworking fluid field more particularly to a kind of systems of the environment-friendly type microemulsified metalworking fluid of low foam Preparation Method.
Background technique
Cutting fluid is essential important consumptive material in metal cutting and machining, is had in metal cutting process cold But, the critical functions such as lubrication, antirust, cleaning.At present on the market cutting fluid mainly have emulsified cutting fluid, semi-synthetic cutting fluid and Fully synthetic cutting fluid three categories.Be easy to make bacterial reproduction when emulsified cutting fluid ingress of air, make emulsion it is corrupt, it is rotten, It is smelly, it shortens the working life;Fully synthetic cutting fluid lubrication and rustless property are poor;Semi-synthetic cutting fluid combines emulsifying cutting The properties advantage of liquid and fully synthetic cutting fluid, comprehensive performance with higher, but its is easy to foaming.With modern instruments plus Work is popularized, and the demand to high-performance cutting fluid is more and more, to obtain more preferably machining surface.Due to import height Shelves cutting fluid is expensive, limits its large-scale promotion application, therefore develop the high-grade water-based metal working fluid of super quality and competitive price, To meet the needs of machining center material processing diversity and technique processing diversity are to high-performance cutting fluid market.In addition, working as Modern Green Sustainable theory greatly enhances the environmental consciousness of people, and it is advanced that clean manufacturing, green manufacturing have become development One of theme of manufacturing technology.
Summary of the invention
The problems such as poor, easy to be corrupt, easy to foaming, price is high for lubricity existing for existing cutting fluid and rust-preventing characteristic, this hair Bright to provide a kind of environment-friendly type microemulsified metalworking fluid of low foam, base oil used is uniform structure, the low evil of low toxicity, easily emulsifies Mineral oil, other raw materials are free of phenols, nitrite and heavy metallic salt;The present invention also provides this cutting fluids simultaneously Preparation method has lower interfacial tension using cutting fluid made from this method, thus is not easy to spume.
A kind of environment-friendly type microemulsified metalworking fluid of low foam, the parts by weight of raw material are:20~30 parts of mineral oil, organic two First acid 5~8 parts, 3~7 parts of triethanolamine, 3~7 parts of single hydramine, hard water resistance dose 1~3 part, 0.5~1 part of antirust agent, antibacterial agent 0.1~0.3 part, 0.1~0.3 part of preservative, 11~14 parts of surfactant, 0.2-1.0 parts of emulsifier, 30~40 parts of water.
Preferably, a kind of environment-friendly type microemulsified metalworking fluid of low foam, the parts by weight of raw material are:23 parts of naphthene base crude oil, 7 parts of organic dibasic acid, 5 parts of triethanolamine, 5 parts of single hydramine, hard water resistance dose 1.5 parts, 0.5 part of antirust agent, 0.2 part of antibacterial agent, 0.2 part of preservative, 12 parts of surfactant, 0.6 part of emulsifier, 35 parts of water.
Described hard water resistance dose is hard water resistance dose of alcohol ether carboxylate class;The antirust agent is benzotriazole.
The antibacterial agent is morpholine bactericide;The preservative is sodium benzoate.
The surfactant is sulfuric acid triethanolamine soap, triethanolamine oleate, fatty alcohol, four poly- ricinoleic acids Any three kinds of compositions in ester, oleic acid.
The emulsifier is nonionic emulsifier fatty alcohol alkoxy compound.
A kind of preparation method of the environment-friendly type microemulsified metalworking fluid of low foam, includes the following steps:
(1)Organic dibasic acid, triethanolamine, monoethanolamine, antirust agent and water are mixed under stirring, mixing temperature It is 30~50 DEG C, incorporation time is 30~60 min, obtains clarification mixed liquor A;
(2)Mineral oil is heated 40~60 DEG C, under stirring, antibacterial agent, preservative, emulsifier, constant temperature stirring 30 is added ~60 min, obtain mixed liquid B;
(3)By step(2)Obtained in mixed liquid B be at the uniform velocity added to step(1)Obtained in mixed liquor A, while stirring plus Enter;
(4)All addition finishes liquid B to be mixed, sequentially adds surfactant, and often plus one kind stirs evenly immediately, until being added A kind of last surfactant, is added while stirring, and system is gradually thinning to brighten last to bright, and it is micro- that low foam environment-friendly type is made Emulsion cutting fluid.
The step(3)Middle mixed liquid B is added to the mode in mixed liquor A as uniform speed slow addition, and it is 0.4 that speed, which is added, ~1.2 Kg/min.
Beneficial effect of the present invention
1, low foam
Low foam environment-friendly type Emulsified Metal Cutting Fluid prepared by the present invention is because having lower interfacial tension, to be not likely to produce bubble Foam, visual specific environment condition can be not added in use or slightly defoaming agent, invention are compounded by each raw material, phase It mutually influences to reduce surface tension, the lowest surface tension of 5% working solution of product is 29 dyn/cm, is significantly less than GB/T6144-85 The numerical value of standard value or similar product, and the stability in storage of this product is good, room temperature can be saved at least 1 year or more.
2, environment-friendly type
Low foam environment-friendly type Emulsified Metal Cutting Fluid prepared by the present invention, base oil used are uniform structure, the low evil of low toxicity, easy cream The mineral oil of change, other raw material are without phenols, nitrite and heavy metallic salt, and safety and environmental protection is easily handled.
3, preparation method is simple
Preparation method provided by the invention mixes water-soluble component with water, and oil-soluble constitents are mixed with oil heating, finally will The two mixing, is finally made low foam environment-friendly type Emulsified Metal Cutting Fluid, preparation method is simple, preparation condition is mild, original used Material is free of phenols, nitrite and heavy metallic salt, no pollution to the environment, safety and environmental protection harmless to human health.
4, using wide
The low foam environment-friendly type Emulsified Metal Cutting Fluid that the present invention prepares, since foam is few when processing uses, it may not be necessary to add Defoaming agent is solved because of foam bring a series of problems, can be widely applied to the intermetallic composite coatings such as cast iron, carbon steel, steel alloy, raw It produces at low cost, is worthy to be popularized.
Specific embodiment
Embodiment 1
A kind of environment-friendly type microemulsified metalworking fluid of low foam, the parts by weight of raw material are:20 parts of mineral oil, 5 parts of organic dibasic acid, 3 parts of triethanolamine, 7 parts of single hydramine, hard water resistance dose 1 part, 0.5 part of antirust agent, 0.3 part of antibacterial agent, 0.3 part of preservative, surface 11 parts of activating agent, 0.4 part of emulsifier, 30 parts of water.
Described hard water resistance dose is hard water resistance dose of alcohol ether carboxylate class;The antirust agent is benzotriazole.
The antibacterial agent is morpholine bactericide;The preservative is sodium benzoate.
The surfactant is 9 parts of sulfuric acid triethanolamine soap, 2 parts of triethanolamine oleate, 1 part of fatty alcohol.
The emulsifier is nonionic emulsifier fatty alcohol alkoxy compound.
A kind of preparation method of the environment-friendly type microemulsified metalworking fluid of low foam, includes the following steps:
(1)Organic dibasic acid, triethanolamine, monoethanolamine, antirust agent and water are mixed under stirring, mixing temperature It is 30 DEG C, incorporation time is 60 min, obtains clarification mixed liquor A;
(2)Mineral oil is heated 40 DEG C, under stirring, antibacterial agent, preservative, emulsifier is added, constant temperature stirs 60 min, Obtain mixed liquid B;
(3)By step(2)Obtained in mixed liquid B be at the uniform velocity added to step(1)Obtained in mixed liquor A, while stirring plus Enter;
(4)All addition finishes liquid B to be mixed, sequentially adds surfactant, and often plus one kind stirs evenly immediately, until being added A kind of last surfactant, is added while stirring, and system is gradually thinning to brighten last to bright, and it is micro- that low foam environment-friendly type is made Emulsion cutting fluid.
The step(3)Middle mixed liquid B is added to the mode in mixed liquor A as uniform speed slow addition, and speed, which is added, is 0.4Kg/min。
Embodiment 2
A kind of environment-friendly type microemulsified metalworking fluid of low foam, the parts by weight of raw material are:30 parts of mineral oil, 8 parts of organic dibasic acid, 7 parts of triethanolamine, 3 parts of single hydramine, hard water resistance dose 3 parts, 1 part of antirust agent, 0.1 part of antibacterial agent, 0.1 part of preservative, surface work Property 14 parts of agent, 0.8 part of emulsifier, 40 parts of water.
Described hard water resistance dose is hard water resistance dose of alcohol ether carboxylate class;The antirust agent is benzotriazole.
The antibacterial agent is morpholine bactericide;The preservative is sodium benzoate.
The surfactant is 2 parts of fatty alcohol, 9 parts of Monoethanolamine Oleate soap, 3 parts of oleic acid.
The emulsifier is nonionic emulsifier fatty alcohol alkoxy compound.
A kind of preparation method of the environment-friendly type microemulsified metalworking fluid of low foam, includes the following steps:
(1)Organic dibasic acid, triethanolamine, monoethanolamine, antirust agent and water are mixed under stirring, mixing temperature It is 50 DEG C, incorporation time is 30 min, obtains clarification mixed liquor A;
(2)Mineral oil is heated 60 DEG C, under stirring, antibacterial agent, preservative, emulsifier is added, constant temperature stirs 30 min, Obtain mixed liquid B;
(3)By step(2)Obtained in mixed liquid B be at the uniform velocity added to step(1)Obtained in mixed liquor A, while stirring plus Enter;
(4)All addition finishes liquid B to be mixed, sequentially adds surfactant, and often plus one kind stirs evenly immediately, until being added A kind of last surfactant, is added while stirring, and system is gradually thinning to brighten last to bright, and it is micro- that low foam environment-friendly type is made Emulsion cutting fluid.
The step(3)Middle mixed liquid B is added to the mode in mixed liquor A as uniform speed slow addition, and it is 1.2 that speed, which is added, Kg/min。
Embodiment 3
A kind of environment-friendly type microemulsified metalworking fluid of low foam, the parts by weight of raw material are:23 parts of naphthene base crude oil, organic dibasic acid 7 Part, 5 parts of triethanolamine, 5 parts of single hydramine, hard water resistance dose 1.5 parts, 0.5 part of antirust agent, 0.2 part of antibacterial agent, 0.2 part of preservative, 12 parts of surfactant, 0.6 part of emulsifier, 35 parts of water.
Described hard water resistance dose is hard water resistance dose of alcohol ether carboxylate class;The antirust agent is benzotriazole.
The antibacterial agent is morpholine bactericide;The preservative is sodium benzoate.
The surfactant is 7 parts of triethanolamine oleate, 2 parts of fatty alcohol, four 3 parts of poly- ricinoleate esters.
The emulsifier is nonionic emulsifier fatty alcohol alkoxy compound.
A kind of preparation method of the environment-friendly type microemulsified metalworking fluid of low foam, includes the following steps:
(1)Organic dibasic acid, triethanolamine, monoethanolamine, antirust agent and water are mixed under stirring, mixing temperature It is 40 DEG C, incorporation time is 50 min, obtains clarification mixed liquor A;
(2)Mineral oil is heated 50 DEG C, under stirring, antibacterial agent, preservative, emulsifier is added, constant temperature stirs 50 min, Obtain mixed liquid B;
(3)By step(2)Obtained in mixed liquid B be at the uniform velocity added to step(1)Obtained in mixed liquor A, while stirring plus Enter;
(4)All addition finishes liquid B to be mixed, sequentially adds surfactant, and often plus one kind stirs evenly immediately, until being added A kind of last surfactant, is added while stirring, and system is gradually thinning to brighten last to bright, and it is micro- that low foam environment-friendly type is made Emulsion cutting fluid.
The step(3)Middle mixed liquid B is added to the mode in mixed liquor A as uniform speed slow addition, and it is 0.8 that speed, which is added, Kg/min。
1 raw material of comparative example changes
A kind of environment-friendly type microemulsified metalworking fluid of low foam, the parts by weight of raw material are:23 parts of naphthene base crude oil, organic dibasic acid 7 Part, 5 parts of triethanolamine, 5 parts of single hydramine, hard water resistance dose 1.5 parts, 0.5 part of antirust agent, 0.2 part of antibacterial agent, 0.2 part of preservative, 12 parts of surfactant, 35 parts of water.
Described hard water resistance dose is hard water resistance dose of alcohol ether carboxylate class;The antirust agent is benzotriazole.
The antibacterial agent is morpholine bactericide;The preservative is sodium benzoate.
The surfactant is 7 parts of triethanolamine oleate, 2 parts of fatty alcohol, four 3 parts of poly- ricinoleate esters.
A kind of preparation method of the environment-friendly type microemulsified metalworking fluid of low foam, includes the following steps:
(1)Organic dibasic acid, triethanolamine, monoethanolamine, antirust agent and water are mixed under stirring, mixing temperature It is 40 DEG C, incorporation time is 50 min, obtains clarification mixed liquor A;
(2)Mineral oil is heated 50 DEG C, under stirring, antibacterial agent, preservative is added, constant temperature stirs 50 min, must mix Liquid B;
(3)By step(2)Obtained in mixed liquid B be at the uniform velocity added to step(1)Obtained in mixed liquor A, while stirring plus Enter;
(4)All addition finishes liquid B to be mixed, sequentially adds surfactant, and often plus one kind stirs evenly immediately, until being added A kind of last surfactant, is added while stirring, and system is gradually thinning to brighten last to bright, and it is micro- that low foam environment-friendly type is made Emulsion cutting fluid.
The step(3)Middle mixed liquid B is added to the mode in mixed liquor A as uniform speed slow addition, and it is 0.8 that speed, which is added, Kg/min。
2 raw material of comparative example changes
A kind of environment-friendly type microemulsified metalworking fluid of low foam, the parts by weight of raw material are:23 parts of naphthene base crude oil, 5 parts of triethanolamine, 5 parts of single hydramine, hard water resistance dose 1.5 parts, 0.5 part of antirust agent, 0.2 part of antibacterial agent, 0.2 part of preservative, 12 parts of surfactant, 0.6 part of emulsifier, 35 parts of water.
Described hard water resistance dose is hard water resistance dose of alcohol ether carboxylate class;The antirust agent is benzotriazole.
The antibacterial agent is morpholine bactericide;The preservative is sodium benzoate.
The surfactant is 7 parts of triethanolamine oleate, 2 parts of fatty alcohol, four 3 parts of poly- ricinoleate esters.
The emulsifier is nonionic emulsifier fatty alcohol alkoxy compound.
A kind of preparation method of the environment-friendly type microemulsified metalworking fluid of low foam, includes the following steps:
(1)Monoethanolamine, antirust agent and water are mixed under stirring, mixing temperature is 40 DEG C, incorporation time 50 Min obtains clarification mixed liquor A;
(2)Mineral oil is heated 50 DEG C, under stirring, antibacterial agent, preservative, emulsifier is added, constant temperature stirs 50 min, Obtain mixed liquid B;
(3)By step(2)Obtained in mixed liquid B be at the uniform velocity added to step(1)Obtained in mixed liquor A, while stirring plus Enter;
(4)All addition finishes liquid B to be mixed, sequentially adds surfactant, and often plus one kind stirs evenly immediately, until being added A kind of last surfactant, is added while stirring, and system is gradually thinning to brighten last to bright, and it is micro- that low foam environment-friendly type is made Emulsion cutting fluid.
The step(3)Middle mixed liquid B is added to the mode in mixed liquor A as uniform speed slow addition, and it is 0.8 that speed, which is added, Kg/min。
Compared with embodiment cutting fluid prepared by the comparative example is carried out performance.It the results are shown in Table 1
1 metalworking fluid performance evaluation of table
Note:Surface tension is the measurement result that this product concentration is 5% working solution (distilled water preparation).

Claims (8)

1. a kind of environment-friendly type microemulsified metalworking fluid of low foam, which is characterized in that the parts by weight of raw material are:Mineral oil 20~30 Part, 5~8 parts of organic dibasic acid, 3~7 parts of triethanolamine, 3~7 parts of single hydramine, hard water resistance dose 1~3 part, antirust agent 0.5~1 Part, 0.1~0.3 part of antibacterial agent, 0.1~0.3 part of preservative, 11~14 parts of surfactant, 0.2-1.0 parts of emulsifier, water 30 ~40 parts.
2. metalworking fluid according to claim 1, which is characterized in that the parts by weight of raw material are:23 parts of naphthene base crude oil has 7 parts of machine binary acid, 5 parts of triethanolamine, 5 parts of single hydramine, hard water resistance dose 1.5 parts, it is 0.5 part of antirust agent, 0.2 part of antibacterial agent, anti- 0.2 part of rotten agent, 12 parts of surfactant, 0.6 part of emulsifier, 35 parts of water.
3. metalworking fluid according to claim 1 or 2, which is characterized in that described hard water resistance dose is alcohol ether carboxylate class Hard water resistance dose;The antirust agent is benzotriazole.
4. metalworking fluid according to claim 1 or 2, which is characterized in that the antibacterial agent is morpholine bactericide; The preservative is sodium benzoate.
5. metalworking fluid according to claim 1 or 2, which is characterized in that the surfactant is sulphur triethylenetetraminehexaacetic acid Hydramine soap, triethanolamine oleate, fatty alcohol, four poly- ricinoleate esters, any three kinds of compositions in oleic acid.
6. metalworking fluid according to claim 1 or 2, which is characterized in that the emulsifier is nonionic emulsifier Fatty alcohol alkoxy compound.
7. a kind of preparation method of metalworking fluid of any of claims 1 or 2, which is characterized in that include the following steps:
(1)Organic dibasic acid, triethanolamine, monoethanolamine, antirust agent and water are mixed under stirring, mixing temperature It is 30~50 DEG C, incorporation time is 30~60 min, obtains clarification mixed liquor A;
(2)Mineral oil is heated 40~60 DEG C, under stirring, antibacterial agent, preservative, emulsifier, constant temperature stirring 30 is added ~60 min, obtain mixed liquid B;
(3)By step(2)Obtained in mixed liquid B be at the uniform velocity added to step(1)Obtained in mixed liquor A, while stirring plus Enter;
(4)All addition finishes liquid B to be mixed, sequentially adds surfactant, and often plus one kind stirs evenly immediately, until being added A kind of last surfactant, is added while stirring, and system is gradually thinning to brighten last to bright, and it is micro- that low foam environment-friendly type is made Emulsion cutting fluid.
8. metalworking fluid according to claim 1, which is characterized in that the step(3)Middle mixed liquid B is added to mixing Mode in liquid A is uniform speed slow addition, and addition speed is 0.4~1.2 Kg/min.
CN201810493290.6A 2018-05-22 2018-05-22 A kind of preparation method of the environment-friendly type microemulsified metalworking fluid of low foam Pending CN108822948A (en)

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CN113801724A (en) * 2021-09-30 2021-12-17 安美科技股份有限公司 Metal processing cutting fluid and preparation method thereof

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