CN115029175A - Zinc alloy cutting fluid free of phosphorus and boron and preparation method thereof - Google Patents

Zinc alloy cutting fluid free of phosphorus and boron and preparation method thereof Download PDF

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Publication number
CN115029175A
CN115029175A CN202210645528.9A CN202210645528A CN115029175A CN 115029175 A CN115029175 A CN 115029175A CN 202210645528 A CN202210645528 A CN 202210645528A CN 115029175 A CN115029175 A CN 115029175A
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zinc alloy
percent
cutting fluid
stirring
corrosion inhibitor
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陈志刚
黄河
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Cyma Oil Products Zhenjiang Co ltd
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Cyma Oil Products Zhenjiang Co ltd
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    • 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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    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
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    • C10M2207/022Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
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    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
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    • C10M2207/128Carboxylix 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 containing hydroxy groups; Ethers thereof
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    • 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
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    • C10M2215/02Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
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    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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    • C10N2040/20Metal working
    • C10N2040/22Metal working with essential removal of material, e.g. cutting, grinding or drilling
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Abstract

The invention provides a zinc alloy cutting fluid without phosphorus and boron and a preparation method thereof, wherein the zinc alloy cutting fluid comprises the following components in percentage by weight: mineral oil: 20 to 40 percent; lubricant: 5 to 15 percent; antirust agent: 3 to 6 percent; coupling agent: 1 to 3 percent; metal passivator: 0.1 to 1 percent; and (3) antiseptic bactericide: 0.5 to 3 percent; defoaming agent: 0.001 to 0.1 percent; pH stabilizer: 2 to 6 percent; nonionic surfactant: 2 to 10 percent; hard water resisting agent: 0.5-1%; zinc alloy corrosion inhibitor: 1 to 3 percent; deionized water: 15 to 30 percent; the zinc alloy corrosion inhibitor comprises the specific components of glycerin, sodium metasilicate pentahydrate, deionized water and organosilicone. The self-made zinc alloy corrosion inhibitor is added, so that the problems of oxidation blackening and short storage period between working procedures in the zinc alloy processing process are solved, meanwhile, the product does not contain phosphorus and boron, is environment-friendly, reduces the generation of bacterial fungi due to the absence of phosphorus, is difficult to deteriorate cutting fluid, prolongs the fluid change period and creates a good workshop environment.

Description

Zinc alloy cutting fluid free of phosphorus and boron and preparation method thereof
Technical Field
The invention relates to the field of preparation of zinc alloy cutting fluid, and particularly relates to zinc alloy cutting fluid without phosphorus and boron and a preparation method thereof.
Background
The metal cutting processing is a processing process that a metal blank is cut by a cutter under the condition that a machine tool provides power, so that the shape, the size, the precision and the surface quality of the metal blank meet requirements, and the processing process can be divided into turning, milling, drilling, planing, boring, reaming, pulling, grinding and the like. In the cutting process, chips act on the front cutter face of the cutter under the pressure of 2-3 GPa, and the rear cutter face of the cutter and the surface of a machined workpiece generate friction heat to enable the temperature of a machining area to rise rapidly to over 1000 ℃, so that the surface can bear the load of 5000N/mm by the cutting pressure on a contact point of the cutter and the surface of the machined workpiece 2 The above. Therefore, cutting fluid is required to be used in the metal cutting process, and the cutting fluid must have excellent lubricity, cooling property and rust prevention property to prevent local welding or tool annealing wear during cutting.
The zinc alloy is an alloy formed by adding other elements on the basis of zinc. The common alloy elements comprise low-temperature zinc alloy such as aluminum, copper, magnesium, cadmium, lead, titanium and the like. The zinc alloy has good casting performance, can be used for die-casting precision parts with complex shapes and thin walls, and has smooth casting surfaces; surface treatment, such as electroplating, spraying, painting, polishing, grinding, etc.; during melting and die casting, the iron is not absorbed, the die is not corroded, and the die is not stuck; has good normal temperature mechanical property and wear resistance; low melting point, easy die-casting formation, good fluidity, easy welding, brazing and plastic processing, and can be melted at 385 ℃. The unique properties of zinc alloys make them very versatile. The wear-resistant steel is used for mechanical parts and the like with special requirements on mechanical properties, high requirements on hardness, good wear resistance and general requirements on dimensional accuracy. Although the zinc alloy has very good casting performance, the zinc alloy has a plurality of problems in mechanical processing after casting, and particularly has the phenomena of easy oxidation and discoloration in the processing process or corrosion phenomena such as blackening, spots and the like on the surface of a workpiece in a short time after processing. Most of the existing zinc alloy cutting fluids in the market are non-environment-friendly products containing phosphorus and boron, the corrosion inhibition on zinc alloy is poor, some zinc alloy is discolored in the machining process, and some zinc alloy is discolored after being placed for about 3 days, so that a large number of waste parts are caused, and the production efficiency is seriously influenced due to frequent reworking. Therefore, the cutting fluid which does not contain phosphorus and boron and has super corrosion inhibition on zinc alloy is very important to develop, and has good market prospect.
Disclosure of Invention
In order to solve the existing defects, the zinc alloy cutting fluid without phosphorus and boron and the preparation method thereof are provided.
The specific scheme is as follows:
a zinc alloy cutting fluid without phosphorus and boron comprises the following components in percentage by weight: mineral oil: 20 to 40 percent; lubricant: 5 to 15 percent; antirust agent: 3 to 6 percent; coupling agent: 1 to 3 percent; metal passivator: 0.1 to 1 percent; and (3) antiseptic bactericide: 0.5-3%; defoaming agent: 0.001-0.1%; pH stabilizer: 2 to 6 percent; nonionic surfactant: 2 to 10 percent; hard water resisting agent: 0.5-1%; zinc alloy corrosion inhibitor: 1 to 3 percent; deionized water: 15 to 30 percent.
The mineral oil is a mixture of one or more of 15# cycloalkyl, 22# cycloalkyl and 30# cycloalkyl, preferably 22# cycloalkyl, and the 22# cycloalkyl has proper viscosity, so that the lubricating oil has certain lubricity and better emulsibility, the dosage of an emulsifier in a formula can be greatly reduced, and the formula cost is reduced.
The lubricant is one or a mixture of more of ricinoleic acid, tall oil acid, tetrapoly ricinoleate and self-emulsifying ester, and the preferable lubricant not only has good lubricity, but also has excellent surface activity so as to reduce the dosage of the surfactant in the formula and reduce the formula cost.
The antirust agent is one or a mixture of more of sodium molybdate, lauric acid and dicarboxylic acid amine salt, and the sodium molybdate has excellent antirust effect on ferrous metal, excellent abrasion resistance and certain corrosion inhibition effect on zinc alloy. The three optimized antirust agents not only have the antirust effect, but also have other special effects, so that the use amount of other additives in the formula is greatly reduced, and the overall performance of the formula is also improved.
The coupling agent is one or a mixture of more of salso 14-15 alcohol, isohexide and Guerbet alcohol, the preferable coupling agent has a low friction coefficient and an excellent coupling effect, is colorless and tasteless, and is an environment-friendly material for replacing alcohol ether solvents with large odor, such as diethylene glycol monobutyl ether, ethylene glycol monobutyl ether and the like.
The metal passivator is a benzotriazole compound, the benzotriazole compound is one or a mixture of more of benzotriazole, benzotriazole sodium salt, 1-hydroxy benzotriazole, methyl benzotriazole and 4-hydroxy benzotriazole, and the preferable metal passivator has an excellent passivation effect on copper parts, a certain passivation capability on aluminum alloy and ferrous metals, and a certain protection effect on machine equipment, parts and workpieces.
The antiseptic bactericide is a mixture of any one of 1, 2-phenylpropyl isothiazolin-3-one and 2-methyl-1, 2-benzisothiazol-3-one and 3-iodo-2-propynyl butyl carbamate, and the preferable antiseptic bactericide is a broad-spectrum bactericide which does not contain formaldehyde, has low toxicity and low irritation and has small influence on the environment. The compound use of 1, 2-phenylpropyl isothiazoline-3-ketone or 2-methyl-1, 2-benzisothiazole-3-ketone and 3-iodine-2-propynyl butyl carbamate has the double functions of bacteriostasis and sterilization, has good compatibility with other chemical additives, can keep activity in a larger pH value range, has the characteristics of small addition amount, quick response, strong bactericidal power and the like, and can not cause pollution to the environment after long-term use.
The defoaming agent is emulsified silicone oil, preferably is one or a mixture of two of Dow Corning 1247 and Dow Corning 1267, has high defoaming speed and long defoaming persistence, and can not be filtered for a circulating system with a high-precision filter screen due to extremely small particle size distribution, so that the stability of the defoaming agent in a formula is improved.
The nonionic surfactant is one or a mixture of more of sorbitan monooleate, cetyl alcohol polyoxyethylene ether, isomeric tridecanol polyoxyethylene ether, oleyl alcohol polyoxyethylene ether and alkoxylated fatty alcohol polyoxyethylene ether, preferably alkoxylated fatty alcohol polyoxyethylene ether, isomeric tridecanol polyoxyethylene ether and oleyl alcohol polyoxyethylene ether.
The hard water resisting agent is one or a mixture of more of alcohol ether carboxylic acid, 8-hydroxyquinoline and polyepoxysuccinic acid, has excellent hard water resisting performance and excellent calcium soap dispersing capacity, effectively reduces the generation of saponified substances of the cutting fluid in the using process, greatly reduces the influence of zinc ions on the stability of the cutting fluid, and prolongs the service life of the cutting fluid.
The zinc alloy corrosion inhibitor comprises the specific components of glycerin, sodium metasilicate pentahydrate, deionized water and organosilicone. Sodium metasilicate pentahydrate in the self-made corrosion inhibitor has the capabilities of descaling, emulsification, dispersion, wetting, permeability and pH value buffering, is a common material for preparing industrial cleaning agents and washing powder, but has very good corrosion inhibition effect on nonferrous metals, and particularly can form a transparent film on the surface of zinc alloy for zinc alloy, thereby preventing the zinc alloy from being oxidized and blackened quickly; the zinc alloy corrosion inhibitor prepared by matching sodium metasilicate pentahydrate and the organic siloxane has strong corrosion inhibition performance, does not contain phosphorus compared with the common phosphate corrosion inhibitor, does not cause serious pollution to the environment, and simultaneously has better corrosion inhibition performance and lower cost.
A preparation method of a zinc alloy cutting fluid without phosphorus and boron is characterized by mainly comprising the following steps:
s1, preparation of a zinc alloy corrosion inhibitor: adding 12% of deionized water, 10% of sodium metasilicate pentahydrate and 70% of glycerol by weight into a stirring kettle, heating to 70-80 ℃, stirring at 200-300 rpm for 1h until the solid is dissolved, cooling to normal temperature, slowly adding the remaining 8% of organic siloxane into the kettle, stirring until the liquid is uniform, and stopping stirring to obtain the zinc alloy corrosion inhibitor;
s2, aqueous part preparation: mixing deionized water, a pH stabilizer, an antirust agent and a metal passivator, wherein the stirring temperature is 15-40 ℃; the stirring speed is 100rpm-150 rpm. Stirring was stopped until all the solids dissolved.
S3, preparing an oily part: mixing mineral oil, lubricant, nonionic surfactant, hard water resisting agent, coupling agent, and antiseptic. The stirring temperature is 15-40 ℃; the stirring speed is 100rpm-150rpm, and the stirring is carried out for 1 hour under the condition of heat preservation.
S4: adding the prepared aqueous part into the oily part, stirring at 15-40 deg.C and 100-150 rpm, and stirring for 1 hr. Then adding the self-made zinc alloy corrosion inhibitor, and continuously stirring until the mixture is transparent and uniform liquid.
S5: and finally adding the defoaming agent, stirring at 100-150 rpm for 10min, and sampling and detecting.
Has the advantages that:
(1) the zinc alloy cutting fluid provided by the invention is added with the zinc alloy corrosion inhibitor which is prepared independently, and sodium metasilicate pentahydrate in the corrosion inhibitor has the capabilities of descaling, emulsification, dispersion, wetting, permeability and pH value buffering, and can form a transparent film on the surface of the zinc alloy, so that the zinc alloy is prevented from being oxidized and blackened quickly; and due to the special structure and performance of the organic siloxane, the organic siloxane can well form Zn-O-Si bonds with the zinc alloy, and the sulfonic group of the siloxane can form a strong adsorption film with the surface of the zinc alloy, so that the corrosion resistance of the zinc alloy is greatly improved. The zinc alloy corrosion inhibitor has excellent corrosion inhibition performance through the synergistic effect of the sodium metasilicate pentahydrate and the organic siloxane, solves the problems of oxidation blackening and short storage period between working procedures in the processing process of the zinc alloy, and improves the production efficiency and the product quality.
(2) The zinc alloy cutting fluid provided by the invention does not contain phosphorus and boron, has small influence on the environment, and meets increasingly strict environmental protection requirements and European Union Rach requirements.
(3) Because the product does not contain phosphorus, the production of bacterial fungi is reduced from the source, the cutting fluid is not easy to deteriorate, the fluid replacement period is greatly prolonged, a good workshop environment is created, and the consumption cost of enterprises is reduced.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be described in further detail with reference to examples, which are provided for illustration only and are not intended to limit the scope of the present invention.
Example 1
The formula of the phosphorus-free boron-zinc-free alloy cutting fluid comprises the following components in parts by weight:
42% of 22# naphthenic base oil, 3% of ricinoleic acid, 2% of tall oil acid, 3% of alkoxylated fatty alcohol-polyoxyethylene ether, 1% of alcohol ether carboxylic acid, 6% of tetra-polyricinoleate, 3% of self-emulsifying ester, 1.5% of 14-15 fatty alcohol, 2% of sodium molybdate, 3% of 2-amino-2-methyl-1-propanol, 2% of isopropanolamine, 7% of triethanolamine, 3% of lauric acid, 0.2% of benzotriazole, 1% of zinc alloy corrosion inhibitor, 0.5% of 1, 2-phenylpropyl isothiazoline-3-ketone, 300.3% of IPBC, 19.3% of deionized water and 12470.2% of Dow Corning.
The preparation method comprises the following steps:
(1) preparing a zinc alloy corrosion inhibitor: adding 12% by weight of deionized water, 10% by weight of sodium metasilicate pentahydrate and 70% by weight of glycerol into a stirring kettle according to the mass percent, heating to 70-80 ℃, stirring at 200-300 rpm for 1h until the solid is dissolved, then cooling to normal temperature, finally slowly adding the remaining 8% of organosilicone into the kettle, stirring to obtain a uniform liquid, and stopping stirring to obtain the zinc alloy corrosion inhibitor;
(2) aqueous fraction preparation: adding deionized water, 2-amino-2-methyl-1-propanol, isopropanolamine, triethanolamine, lauric acid, benzotriazole, sodium molybdate and 1, 2-benzisothiazoline-3-one into a stirring kettle, wherein the stirring temperature is 15-40 ℃; the stirring speed is 100rpm-150 rpm. Stirring was stopped until all the solids dissolved.
(3) Preparation of oily part: adding 22# naphthenic base oil, 3% of ricinoleic acid, 2% of tall oil acid, alkoxylated fatty alcohol-polyoxyethylene ether, alcohol ether carboxylic acid, tetrapoly ricinoleic acid ester, self-emulsifying ester and 14-15 fatty alcohol into a stirring kettle according to mass percentage, wherein the stirring temperature is 15-40 ℃, the stirring speed is 100-150 rpm, and the stirring is carried out for 1h under heat preservation.
(3) Adding the prepared aqueous part into the oily part, wherein the stirring temperature is 15-40 ℃, the stirring speed is 100-150 rpm, and continuously stirring for 1h under heat preservation. Then adding the self-made zinc alloy corrosion inhibitor, and continuously stirring until the mixture is transparent and uniform liquid.
(4) And finally adding the defoaming agent, stirring at 100-150 rpm for 10min, and then sampling and detecting.
Example 2
The formula of the phosphorus-free boron-zinc-free alloy cutting fluid comprises the following components in parts by weight:
41% of 22# cycloalkyl base oil, 3% of ricinoleic acid, 2% of tall oil acid, 3% of alkoxylated fatty alcohol-polyoxyethylene ether, 1% of alcohol ether carboxylic acid, 6% of tetra-polyricinoleate, 3% of self-emulsifying ester, 1.5% of 14-15 fatty alcohol, 2% of sodium molybdate, 3% of 2-amino-2-methyl-1-propanol, 2% of isopropanolamine, 7% of triethanolamine, 3% of lauric acid, 0.2% of benzotriazole, 2% of zinc alloy corrosion inhibitor, 0.5% of 1, 2-phenylisothiazoline-3-one, 300.3% of IPBC, 19.3% of deionized water and 12470.2% of Dow Corning.
The preparation method comprises the following steps:
(1) preparing a zinc alloy corrosion inhibitor: adding 12% of deionized water, 10% of sodium metasilicate pentahydrate and 70% of glycerol by weight into a stirring kettle, heating to 70-80 ℃, stirring at 200-300 rpm for 1h until the solid is dissolved, cooling to normal temperature, slowly adding the remaining 8% of organic siloxane into the kettle, stirring until the liquid is uniform, and stopping stirring to obtain the zinc alloy corrosion inhibitor;
(2) aqueous fraction preparation: adding deionized water, 2-amino-2-methyl-1-propanol, isopropanolamine, triethanolamine, lauric acid, benzotriazole, sodium molybdate and 1, 2-phenylpropylisothiazoline-3-one into a stirring kettle, wherein the stirring temperature is 15-40 ℃; the stirring speed is 100rpm-150 rpm. Stirring was stopped until all the solids dissolved.
(3) Preparation of oily part: adding 22# naphthenic base oil, 3% of ricinoleic acid, 2% of tall oil acid, alkoxylated fatty alcohol-polyoxyethylene ether, alcohol ether carboxylic acid, tetrapolyricinoleate, self-emulsifying ester and 14-15 fatty alcohol into a stirring kettle according to the mass percentage, wherein the stirring temperature is 15-40 ℃, the stirring speed is 100-150 rpm, and stirring for 1h under heat preservation.
(3) Adding the prepared aqueous part into the oily part, wherein the stirring temperature is 15-40 ℃, the stirring speed is 100-150 rpm, and continuously stirring for 1h under heat preservation. Then adding the self-made zinc alloy corrosion inhibitor, and continuously stirring until the mixture is transparent and uniform liquid.
(4) And finally adding the defoaming agent, stirring at 100-150 rpm for 10min, and then sampling and detecting.
Example 3
The formula of the phosphorus-free boron-zinc-free alloy cutting fluid comprises the following components in parts by weight:
40% of 22# naphthenic base oil, 3% of ricinoleic acid, 2% of tall oil acid, 3% of alkoxylated fatty alcohol-polyoxyethylene ether, 1% of alcohol ether carboxylic acid, 6% of tetra-polyricinoleate, 3% of self-emulsifying ester, 1.5% of 14-15 fatty alcohol, 2% of sodium molybdate, 3% of 2-amino-2-methyl-1-propanol, 2% of isopropanolamine, 7% of triethanolamine, 3% of lauric acid, 0.2% of benzotriazole, 3% of zinc alloy corrosion inhibitor, 0.5% of 1, 2-phenylpropyl isothiazoline-3-ketone, 300.3% of IPBC, 19.3% of deionized water and 12470.2% of Dow Corning.
The preparation method comprises the following steps:
(1) preparing a zinc alloy corrosion inhibitor: adding 12% of deionized water, 10% of sodium metasilicate pentahydrate and 70% of glycerol by weight into a stirring kettle, heating to 70-80 ℃, stirring at 200-300 rpm for 1h until the solid is dissolved, cooling to normal temperature, slowly adding the remaining 8% of organic siloxane into the kettle, stirring until the liquid is uniform, and stopping stirring to obtain the zinc alloy corrosion inhibitor;
(2) aqueous fraction preparation: adding deionized water, 2-amino-2-methyl-1-propanol, isopropanolamine, triethanolamine, lauric acid, benzotriazole, sodium molybdate and 1, 2-benzisothiazoline-3-one into a stirring kettle, wherein the stirring temperature is 15-40 ℃; the stirring speed is 100rpm-150 rpm. Stirring was stopped until all the solids dissolved.
(3) Preparation of oily part: adding 22# naphthenic base oil, 3% of ricinoleic acid, 2% of tall oil acid, alkoxylated fatty alcohol-polyoxyethylene ether, alcohol ether carboxylic acid, tetrapoly ricinoleic acid ester, self-emulsifying ester and 14-15 fatty alcohol into a stirring kettle according to mass percentage, wherein the stirring temperature is 15-40 ℃, the stirring speed is 100-150 rpm, and the stirring is carried out for 1h under heat preservation.
(3) Adding the prepared aqueous part into the oily part, wherein the stirring temperature is 15-40 ℃, the stirring speed is 100-150 rpm, and continuously stirring for 1h under heat preservation. Then adding the self-made zinc alloy corrosion inhibitor, and continuously stirring until the mixture is transparent and uniform liquid.
(4) And finally adding the defoaming agent, stirring at 100-150 rpm for 10min, and sampling for detection.
The cutting fluids prepared in the above examples 1-3 were tested for their performance, and the results are shown in the following table:
Figure BDA0003685746130000091
from the above table, the corrosion inhibition time of the zinc alloy is gradually prolonged along with the continuous improvement of the proportion of the self-made zinc alloy corrosion inhibitor in the zinc alloy cutting fluid without phosphorus and boron prepared by the embodiment, and the corrosion inhibition time can reach one month without oxidation and blackening.
As a further improvement, the above-mentioned is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The zinc alloy cutting fluid is characterized by comprising the following components in percentage by weight: mineral oil: 20 to 40 percent; lubricant: 5 to 15 percent; antirust agent: 3 to 6 percent; coupling agent: 1 to 3 percent; metal passivator: 0.1 to 1 percent; and (3) antiseptic bactericide: 0.5-3%; defoaming agent: 0.001-0.1%; pH stabilizer: 2 to 6 percent; nonionic surfactant: 2 to 10 percent; hard water resisting agent: 0.5-1%; zinc alloy corrosion inhibitor: 1 to 3 percent; deionized water: 15 to 30 percent;
the zinc alloy corrosion inhibitor comprises the specific components of glycerin, sodium metasilicate pentahydrate, deionized water and organosilicone.
2. The cutting fluid of zinc alloy of claim 1, wherein the mineral oil is a mixture of one or more of 15# cycloalkyl, 22# cycloalkyl and 30# cycloalkyl; the lubricant is one or a mixture of more of ricinoleic acid, tall oil acid, tetrapolyricinoleate and self-emulsifying ester; the antirust agent is one or a mixture of more of sodium molybdate, lauric acid and dicarboxylic acid amine salt.
3. The phosphorus-boron-free zinc alloy cutting fluid as claimed in claim 1, wherein the coupling agent is one or a mixture of more of salso 14-15 alcohol, isohexane glycol and Guerbet alcohol.
4. The zinc alloy cutting fluid free of phosphorus and boron according to claim 1, wherein the metal passivator is a benzotriazole compound, and the benzotriazole compound is one or a mixture of benzotriazole, benzotriazole sodium salt, 1-hydroxy benzotriazole, methyl benzotriazole and 4-hydroxy benzotriazole.
5. The cutting fluid of zinc alloy of claim 1, wherein the corrosion inhibitor is a mixture of 3-iodo-2-propynyl butyl carbamate and any one of 1, 2-phenylpropyl isothiazolin-3-one and 2-methyl-1, 2-benzisothiazol-3-one.
6. The cutting fluid of zinc alloy of claim 1, wherein said antifoaming agent is one or a mixture of Dow Corning 1247 and Dow Corning 1267.
7. The cutting fluid of zinc alloy of claim 1, wherein the pH stabilizer is one or more of monoethanolamine, diethanolamine, triethanolamine, isopropanolamine, diglycolamine, 2-amino-2-methyl-1-propanol, and special amine CHO 2O.
8. The boron-phosphorus-free zinc alloy cutting fluid as claimed in claim 1, wherein the nonionic surfactant is one or more of sorbitan monooleate, cetyl polyoxyethylene ether, isotridecyl polyoxyethylene ether, oleyl polyoxyethylene ether and alkoxylated fatty alcohol polyoxyethylene ether.
9. The phosphorus-boron-free zinc alloy cutting fluid as claimed in claim 1, wherein the hardness resisting agent is a mixture of one or more of alcohol ether carboxylic acid, 8-hydroxyquinoline and polyepoxysuccinic acid.
10. The method for preparing a zinc alloy cutting fluid free of phosphorus and boron according to any one of claims 1 to 9, comprising the main steps of:
s1, preparation of a zinc alloy corrosion inhibitor: adding 12% of deionized water, 10% of sodium metasilicate pentahydrate and 70% of glycerol by weight into a stirring kettle, heating to 70-80 ℃, stirring at 200-300 rpm for 1h until the solid is dissolved, cooling to normal temperature, slowly adding the remaining 8% of organic siloxane into the kettle, stirring until the liquid is uniform, and stopping stirring to obtain the zinc alloy corrosion inhibitor;
s2, aqueous part preparation: mixing deionized water, a pH stabilizer, an antirust agent and a metal passivator, stirring, and stopping stirring when all solids are dissolved to obtain a water-based part;
s3, preparing an oily part: mixing mineral oil, lubricant, nonionic surfactant, anti-hard water agent, coupling agent and antiseptic bactericide, and stirring to obtain oily part;
s4: adding the aqueous part prepared in the step S2 into the oily part prepared in the step S3, stirring, adding the zinc alloy corrosion inhibitor prepared in the step S1, and continuously stirring until the mixture is transparent and uniform;
s5: and adding an antifoaming agent into the liquid prepared in S4, stirring at 100-150 rpm for 10min, and sampling and detecting.
CN202210645528.9A 2022-06-09 2022-06-09 Zinc alloy cutting fluid free of phosphorus and boron and preparation method thereof Pending CN115029175A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104479833A (en) * 2014-12-17 2015-04-01 江苏鑫露新材料股份有限公司 High-efficiency safe environment-friendly all-synthetic cutting fluid and preparation method thereof
CN107723072A (en) * 2017-11-13 2018-02-23 东莞市晶索润滑科技有限公司 Working fluid for kirsite
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
TWI757210B (en) * 2021-07-06 2022-03-01 安淨生物科技股份有限公司 Highly alkaline ionized water environmentally friendly cutting fluid

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104479833A (en) * 2014-12-17 2015-04-01 江苏鑫露新材料股份有限公司 High-efficiency safe environment-friendly all-synthetic cutting fluid and preparation method thereof
CN107723072A (en) * 2017-11-13 2018-02-23 东莞市晶索润滑科技有限公司 Working fluid for kirsite
TWI757210B (en) * 2021-07-06 2022-03-01 安淨生物科技股份有限公司 Highly alkaline ionized water environmentally friendly cutting fluid
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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Application publication date: 20220909