CN108822951A - A kind of fully synthetic liquid composition of environment-friendly type aluminium alloy - Google Patents
A kind of fully synthetic liquid composition of environment-friendly type aluminium alloy Download PDFInfo
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- CN108822951A CN108822951A CN201810969291.3A CN201810969291A CN108822951A CN 108822951 A CN108822951 A CN 108822951A CN 201810969291 A CN201810969291 A CN 201810969291A CN 108822951 A CN108822951 A CN 108822951A
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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
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
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- 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
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/127—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids polycarboxylic
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
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- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/044—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms having cycloaliphatic groups
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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- 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
- C10M2223/04—Phosphate esters
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- 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
- C10M2227/061—Esters derived from boron
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- 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
- C10N2030/04—Detergent property or dispersant property
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- 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
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- 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
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/16—Antiseptic; (micro) biocidal or bactericidal
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/40—Low content or no content compositions
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/64—Environmental friendly compositions
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
Abstract
The present invention relates to a kind of fully synthetic liquid compositions of environment-friendly type aluminium alloy, and preparing raw material includes following components and weight percentage：Self-emulsifying ester 15~30, the soluble oil 5~22 with cloud point, borate 1~15, carboxylic acid amine salt 5~20, corrosion inhibiter 1~10, organic amine 1~10, organic acid 1~10, surplus is water, compared with prior art, the present composition is free of mineral oil and vegetable oil, is the transparency liquid of odorless, low smell；With excellent antirust, lubrication, cleaning, refrigerating function, long service life meets the smoothness requirements of workpiece, extends cutter life；Above-mentioned fully synthetic liquid composition can be recycled for a long time, and without poisonous and harmful substances such as nitrite and phenols, discharge is very small, environmentally protective, be a kind of fully synthetic liquid of aluminium alloy haveing excellent performance.
Description
Technical field
The present invention relates to a kind of aluminium alloy fully synthetic cutting fluids, more particularly, to a kind of fully synthetic liquid group of environment-friendly type aluminium alloy
Object is closed, metal cutting process technical field of lubricant is belonged to.
Background technique
Aluminum alloy materials have light material, scratch resistant, environment-protecting and non-poisonous, high intensity and high ductility, height than strong Gao Bimo, heat-proof corrosion-resistant
The features such as be widely used in consumption electronic product such as mobile phone, tablet computer, laptop and auto industry field.
Aluminium alloy is high performance simultaneously in offer, also brings more challenges to processing and manufacturing.Compared to most of ferrous metal, aluminium is closed
Golden hardness is low, and the cutting force needed in process is lower, but the flexibility of aluminium alloy is easy to appear bonding in cutting now
As forming built-up edge on blade, seriously affecting workpiece surface roughness, the high coefficient of thermal expansion of aluminium alloy is but also in machining
Because the heat for the generation that deforms and rub promptly expands on workpiece, to be difficult to control workpiece size, furthermore aluminium alloy is compared to black
Non-ferrous metal is also easier to change colour.Therefore, the lubricity that the cutting fluid of selection should have been shown will also have excellent cooling
Energy.
Current water base aluminum alloy cutting fluid uses hgh-performance emulsified oil and the semi-synthetic liquid of high-performance, such as CN mostly
Aluminium alloy described in 105623809 A cuts oil emulsion, is synthesized using paraffinic base and the mixed base oil of naphthenic base, high temperature resistant
The composition such as ester, high saponification value synthetic ester, petroleum sodium sulfonate, emulsifier, coupling agent, fungicide, although the cutting fluid is free of insatiable hunger
With the extreme pressure agents such as fatty acid soaps and sulphur, phosphorus, chlorine, there is certain lubrication, cooling performance, but floorboard with high oil content and contain
The components such as petroleum sodium sulfonate make cutting fluid easy bacteria-developing, cause the cutting fluid service life not high, and lathe clean level is poor.CN
The semi-synthetic liquid of aluminium alloy described in 106118834 A, using mineral oil, hydramine, emulsifier, antirust agent, lubricant, corrosion inhibiter,
Extreme pressure agent, defoaming agent, fungicide, water composition, the nonionic and anion emulsifier used are also easy to produce foam, disappear although having arranged in pairs or groups
Infusion, but defoaming agent itself defoaming function decays at any time and by strainer filtering, the later period needs that defoaming agent is continuously replenished.With
The continuous improvement of processing efficiency, the spindle revolutions of some CNC machining centers already exceed 75000 revs/min, this variation enable
Traditional oil emulsion and semi-synthetic metal working fluid are unable to satisfy harsh processing request：Better cooling, lower foam,
Less working fluid maintenance, lower discharging of waste liquid.Therefore it needs to develop to meet haveing excellent performance for aluminium alloy processing rigors
Fully synthetic cutting fluid.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of environment-friendly type aluminium alloys
Fully synthetic liquid composition, to solve existing for existing oil emulsion, semi-synthetic liquid processing aluminium alloy, the cutting fluid service life is short, foam
Greatly, the problems such as lathe cleanliness is poor.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of fully synthetic liquid composition of environment-friendly type aluminium alloy, preparing raw material includes following components and weight percentage：
The self-emulsifying ester is polyether ester, and mass percentage is preferably 15~28%.
The soluble oil with cloud point is selected from the reversed Pluronic PE 6800 of polyether ester or the polyethers with cloud point
The mixture of one kind of ester or both, mass percentage are preferably 5~20%.
The borate is selected from boric acid monoethanolamine ester, one kind of boric acid diethanol amine ester or triethanolamine borate ester or
Person is several, and mass percentage is preferably 1~13%.
The carboxylic acid amine salt be the reactant of tricarboxylic acid and hydramine, 12 carbon dicarboxylic acids and hydramine reactant or
The reactant of person's tricarboxylic acid, 12 carbon dicarboxylic acids and hydramine, the hydramine are selected from monoethanolamine or triethanolamine or two
The mixture of person, mass percentage are preferably 5~18%.
The preparation method of the carboxylic acid amine salt is：
It stocks up in predetermined weight ratio, tricarboxylic acid 0-35, dodecanedicarboxylic acid 0-35, monoethanolamine 0-65, three ethyl alcohol
Amine 0-65, put into normal pressure steel bomb 12 carbon dicarboxylic acids, the mixture of tricarboxylic acid or both and monoethanolamine,
The mixture of triethanolamine or both, stirring, reaction temperature are 75-85 DEG C, react 0.5-3 hours, obtain carboxylic acid amine salt.
The corrosion inhibiter is selected from benzotriazole, methyl benzotriazazole, methyl benzotriazazole derivative and silicic acid
Salt, metasilicate, alkyl phosphate arbitrary composition, mass percentage is preferably 1~8%.
The organic amine is selected from monoethanolamine, diethanol amine, triethanolamine, monoisopropanolamine, diisopropanolamine (DIPA) or two
One of cyclohexylamine is several, and mass percentage is preferably 1~9%.
The organic acid is selected from isononanoic acid, the one or more of caprylic acid, isooctyl acid or neodecanoic acid, mass percentage
Preferably 1~8%.
Product of the invention prevents aluminium corrosive nature with excellent, corrosive chameleon problem when aluminium being effectively prevent to process
(sensitive aluminium test piece, 5% originally water diluent, room temperature are non-discolouring under the conditions of r for 24 hours；Sensitive aluminium test piece, 5%IP287 water
(345ppmCaSO4.2H2O) dilution, room temperature are non-discolouring under the conditions of r for 24 hours), product stoste is diluted with 5% tap water, and pH value is
8.9 left and right.Using the hgh-performance emulsified oil test tapping torque of tapping torque machine comparison, tapping efficiency is mentioned than certain hgh-performance emulsified oil
High by 10%, product concentrate is diluted with 5% tap water, is suitable for processing various aluminum alloy materials, has excellent processing performance.
Since aluminium alloy has flexibility, it is easy to appear bonding phenomenon in cutting, forms built-up edge on blade, seriously
Workpiece surface roughness is influenced, the high coefficient of thermal expansion of aluminium alloy is but also in machining promptly because of the heat for the generation that deforms and rub
It expands on workpiece, to be difficult to control workpiece size, therefore aluminum alloy cutting fluid needs excellent lubricity, to reach this
Performance generally uses mineral oil or vegetable oil in the prior art.These components make cutting fluid easy bacteria-developing, lead to the cutting fluid service life
It does not grow, and lathe clean level is poor.The present invention does not use mineral oil or vegetable oil, in order to obtain it is identical or more preferably technology imitate
Fruit has selected self-emulsifying ester and the soluble oil with cloud point.
The self-emulsifying ester used in the present invention contains polyether group, ester group and carboxyl for polyether ester simultaneously in structure, with
The compound that calcium and magnesium ion is formed is water-soluble, has excellent hard water resistance performance.Workpiece table is adsorbed in by the polarity of itself
Face, polarity are strong compared with mineral oil or vegetable oil, provide better greasy property, and do not corrode to aluminium alloy.The polyether-based contained
Group makes polyether ester have excellent cleaning, and workpiece and lathe surface cleanliness are good.
The soluble oil with cloud point used is selected from the reversed Pluronic PE 6800 of polyether ester or the polyethers with cloud point
The mixture of one kind of ester or both.In processing district, temperature is higher, more than the cloud point of the soluble oil, water-soluble lubricating
Agent is no longer dissolve in water, and oil droplet is similar to after precipitation, provides excellent lubricity.The soluble oil does not corrode aluminium,
Itself is not in conjunction with calcium and magnesium ion, and hard water resistance property is excellent, it is possible to provide cleaning, foam are lower.
Compared with prior art, the present invention has following features and beneficial effect：
(1) the fully synthetic liquid composition of high-aluminium alloy of the present invention is free of any mineral oil and vegetable oil, is free of nitrite, phenol
Etc. poisonous and harmful substances, greatly reduce energy consumption, reduce discharge, be green product；
(2) compared to emulsifying, the oil-cutting fluid service life is low, waste liquid handlability is poor, workpiece clanability is poor, board cleanliness is poor
The disadvantages of, the present invention has excellent resistance fungi and bacterium ability, so that working solution long service life in machining；
With excellent cleaning performance, workpiece and board are clean；With resistance to hard water ability outstanding, can be recycled for a long time；Have
Good liquid waste processing performance, can be handled by commonly industrial wastewater；
(3) not sulfur-bearing, phosphorus, chlorine of the invention, polyether ester and the excellent extreme pressure provided with the collocation of cloud point soluble oil,
The corrosion resistance that lubricity and corrosion inhibiter provide prolongs so that this fully synthetic liquid is able to satisfy the smoothness requirements of Al alloy parts
Long cutter life has splendid anticorrosion ability to aluminium alloy, can effectively prevent sensitive aluminium alloy discoloration.The present invention has excellent
Resist miscellaneous oiliness energy, working solution keeps transparent for a long time；With lower foam, it can effectively solve that semi-synthetic vacuole foam is high to be lacked
It falls into；
(4) present invention has excellent cooling, can be effectively reduced and generates when cutter and surface of workpiece contact
Cutting heat is particularly suitable for High-speed machining occasion；
(5) preparation process of the present invention is simple, has cooling, antirust, cleaning, four big functions of lubrication, practical, has good
Good economic value and social benefit.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Embodiment 1
It stocks up according to following components and its mass content, is mixed, obtains product：
Wherein, the preparation method of carboxylic acid amine salt is：By 1:1:1.5:2 weight ratio are put into normal pressure steel bomb
12 carbon dicarboxylic acids, tricarboxylic acid and monoethanolamine, triethanolamine at 85 DEG C, are reacted 0.5 hour, are obtained under stiring
Carboxylic acid amine salt.
Embodiment 2
It stocks up according to following components and its mass content, is mixed, obtains product：
Wherein, the preparation method of carboxylic acid amine salt is in the same manner as in Example 1.
Embodiment 3
It stocks up according to following components and its mass content, is mixed, obtains product：
Wherein, the preparation method of carboxylic acid amine salt is in the same manner as in Example 1.
Embodiment 4
It stocks up according to following components and its mass content, is mixed, obtains product：
Wherein, the preparation method of carboxylic acid amine salt is：12 carbon dicarboxylic acids, ternary carboxylic are put into normal pressure steel bomb
Acid and monoethanolamine, triethanolamine, the weight ratio of above-mentioned raw materials are 35:20:10:35, under stiring, at 75 DEG C, reaction 3 is small
When, obtain carboxylic acid amine salt.
Embodiment 5
It stocks up according to following components and its mass content, is mixed, obtains product：
Wherein, the preparation method of carboxylic acid amine salt is：By 1:1:1.5:2 weight ratio are put into normal pressure steel bomb
12 carbon dicarboxylic acids, tricarboxylic acid and monoethanolamine, triethanolamine at 75 DEG C, react 3 hours under stiring, obtain carboxylic
Amine acid salt.
Embodiment 6
It stocks up according to following components and its mass content, is mixed, obtains product：
Wherein, the preparation method of carboxylic acid amine salt is：12 carbon dicarboxylic acids, ternary carboxylic are put into normal pressure steel bomb
Acid, the weight ratio of the two are 65:35, under stiring, at 75 DEG C, reacts 3 hours, obtain carboxylic acid amine salt.
Embodiment 7
It stocks up according to following components and its mass content, is mixed, obtains product：
Wherein, the preparation method of carboxylic acid amine salt is：12 carbon dicarboxylic acids, ternary carboxylic are put into normal pressure steel bomb
Acid, the weight ratio of the two are 35:65, under stiring, at 80 DEG C, reacts 2 hours, obtain carboxylic acid amine salt.
Embodiment 8
It stocks up according to following components and its mass content, is mixed, obtains product：
Wherein, the preparation method of carboxylic acid amine salt is：12 carbon dicarboxylic acids, ternary carboxylic are put into normal pressure steel bomb
Acid, monoethanolamine, the weight ratio of three are 30:35:35, under stiring, at 80 DEG C, reacts 2 hours, obtain carboxylic acid amine salt.
The aluminium alloy that the present invention is suitble to includes 2024,6061,7050,7075, cast aluminium 380, cast aluminium 390 etc..For aluminium
In processed to heavy load, such as creep feed grinding, drilling, tapping, broaching.
Fully synthetic cutting fluid obtained in the embodiment of the present invention and similar product in the prior art are compared into test,
These experimental datas should be able to embody the service life length of product of the present invention, excellent cleaning performance, resistance to hard water ability, corrosion resistance
The advantages that energy and cooling are good, are suitable for High-speed machining occasion, according to the related patents of search, the data that can be provided such as table
Shown in 1：
The test method of foaming properties test test under 1 various concentration of table or the standard of foundation
The test method of the cleaning test test of 2 cutting fluid of table or the standard of foundation
3 cutting fluid lubrication performance test of table, encloses test condition
Tapping torque test method condition：
Material：6061AL；Screw tap：M6F (squeezing tapping)；Aperture：φ6；Revolving speed：2000rpm.Tapping efficiency=benchmark is attacked
Silk average torque/tapping average torque × 100%, tapping efficiency show that more greatly product lubricity is better.
The hard water resistance performance test of 4 cutting fluid of table, encloses test condition
500ppm hard water：Weigh 0.4819gCaCl2And 0.1627gMgSO4﹒ 7H2O is dissolved in 1L distilled water.1000ppm
Hard water：Weigh 0.9638gCaCl2And 0.3254gMgSO4﹒ 7H2O is dissolved in 1L distilled water.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. a kind of fully synthetic liquid composition of environment-friendly type aluminium alloy, which is characterized in that it includes following components and weight that it, which prepares raw material,
Percentage composition：
2. the fully synthetic liquid composition of a kind of environment-friendly type aluminium alloy according to claim 1, which is characterized in that it prepares raw material
Including following components and weight percentage：
3. the fully synthetic liquid composition of a kind of environment-friendly type aluminium alloy according to claim 1 or 2, which is characterized in that described
Self-emulsifying ester is polyether ester.
4. the fully synthetic liquid composition of a kind of environment-friendly type aluminium alloy according to claim 1 or 2, which is characterized in that described
Soluble oil with cloud point is selected from the mixed of reversed Pluronic PE 6800 or one kind of polyether ester with cloud point or both
Close object.
5. the fully synthetic liquid composition of a kind of environment-friendly type aluminium alloy according to claim 1 or 2, which is characterized in that described
Borate is selected from boric acid monoethanolamine ester, the one or several kinds of boric acid diethanol amine ester or triethanolamine borate ester.
6. the fully synthetic liquid composition of a kind of environment-friendly type aluminium alloy according to claim 1 or 2, which is characterized in that described
Carboxylic acid amine salt is the reactant of tricarboxylic acid and hydramine, the reactant or tricarboxylic acid of 12 carbon dicarboxylic acids and hydramine, ten
The reactant of two carbon dicarboxylic acids and hydramine, the hydramine are selected from the mixture of monoethanolamine or triethanolamine or both.
7. the fully synthetic liquid composition of a kind of environment-friendly type aluminium alloy according to claim 6, which is characterized in that the carboxylic acid
The preparation method of amine salt is：
It stocks up in predetermined weight ratio：Tricarboxylic acid 0-35, dodecanedicarboxylic acid 0-35, monoethanolamine 0-65, triethanolamine 0-
65, and be not simultaneously 0, put into normal pressure steel bomb 12 carbon dicarboxylic acids or tricarboxylic acid or both mixture and
The mixture of monoethanolamine or triethanolamine or both, stirring, reaction temperature are 75-85 DEG C, react 0.5-3 hours, obtain carboxylic
Amine acid salt.
8. the fully synthetic liquid composition of a kind of environment-friendly type aluminium alloy according to claim 1 or 2, which is characterized in that described
Corrosion inhibiter is selected from benzotriazole, methyl benzotriazazole, methyl benzotriazazole derivative and silicate, metasilicate, alkane
The arbitrary composition of base phosphate.
9. the fully synthetic liquid composition of a kind of environment-friendly type aluminium alloy according to claim 1 or 2, which is characterized in that described
Organic amine is selected from one of monoethanolamine, diethanol amine, triethanolamine, monoisopropanolamine, diisopropanolamine (DIPA) or dicyclohexyl amine
Or it is several.
10. the fully synthetic liquid composition of a kind of environment-friendly type aluminium alloy according to claim 1 or 2, which is characterized in that described
Organic acid is selected from isononanoic acid, the one or more of caprylic acid, isooctyl acid or neodecanoic acid.
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