CN115786027B - Water-based microemulsified cutting fluid - Google Patents
Water-based microemulsified cutting fluid Download PDFInfo
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- CN115786027B CN115786027B CN202211605104.6A CN202211605104A CN115786027B CN 115786027 B CN115786027 B CN 115786027B CN 202211605104 A CN202211605104 A CN 202211605104A CN 115786027 B CN115786027 B CN 115786027B
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- microemulsified
- nickel
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- 239000002173 cutting fluid Substances 0.000 title claims abstract description 158
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 143
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 71
- -1 alcohol amine Chemical class 0.000 claims abstract description 21
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 21
- 239000012991 xanthate Substances 0.000 claims abstract description 18
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 17
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005979 thermal decomposition reaction Methods 0.000 claims abstract description 15
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 13
- 239000010413 mother solution Substances 0.000 claims abstract description 13
- 229920000570 polyether Polymers 0.000 claims abstract description 13
- 239000002199 base oil Substances 0.000 claims abstract description 11
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 claims abstract description 11
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003208 petroleum Substances 0.000 claims abstract description 10
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 10
- 239000011734 sodium Substances 0.000 claims abstract description 10
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 10
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 10
- 239000011701 zinc Substances 0.000 claims abstract description 10
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000012964 benzotriazole Substances 0.000 claims abstract description 9
- 239000013530 defoamer Substances 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 21
- 238000002360 preparation method Methods 0.000 claims description 12
- 150000002815 nickel Chemical class 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 6
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims description 5
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 5
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 5
- IDOQDZANRZQBTP-UHFFFAOYSA-N 2-[2-(2,4,4-trimethylpentan-2-yl)phenoxy]ethanol Chemical compound CC(C)(C)CC(C)(C)C1=CC=CC=C1OCCO IDOQDZANRZQBTP-UHFFFAOYSA-N 0.000 claims description 4
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 claims description 4
- 229920004929 Triton X-114 Polymers 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- CUVLMZNMSPJDON-UHFFFAOYSA-N 1-(1-butoxypropan-2-yloxy)propan-2-ol Chemical compound CCCCOCC(C)OCC(C)O CUVLMZNMSPJDON-UHFFFAOYSA-N 0.000 claims description 3
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 3
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 claims description 3
- IYFATESGLOUGBX-YVNJGZBMSA-N Sorbitan monopalmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O IYFATESGLOUGBX-YVNJGZBMSA-N 0.000 claims description 3
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 claims description 3
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 claims description 3
- 229920004890 Triton X-100 Polymers 0.000 claims description 3
- 239000013504 Triton X-100 Substances 0.000 claims description 3
- LWZFANDGMFTDAV-BURFUSLBSA-N [(2r)-2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O LWZFANDGMFTDAV-BURFUSLBSA-N 0.000 claims description 3
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 claims description 3
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 3
- 229940078494 nickel acetate Drugs 0.000 claims description 3
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims description 3
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 3
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 3
- 235000011067 sorbitan monolaureate Nutrition 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 22
- 238000012360 testing method Methods 0.000 description 18
- 230000001050 lubricating effect Effects 0.000 description 17
- 239000012452 mother liquor Substances 0.000 description 16
- 239000004530 micro-emulsion Substances 0.000 description 14
- 238000010079 rubber tapping Methods 0.000 description 14
- 239000008367 deionised water Substances 0.000 description 13
- 229910021641 deionized water Inorganic materials 0.000 description 13
- 238000011156 evaluation Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 235000019198 oils Nutrition 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000002518 antifoaming agent Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003917 TEM image Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000013556 antirust agent Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention belongs to the technical field of cutting fluids, and provides a water-based microemulsified cutting fluid. The water-based microemulsified cutting fluid comprises the following components in parts by weight: 2 parts of cutting fluid mother solution, 0.06-0.4 part of nano nickel sulfide and 37-38 parts of water; the cutting fluid mother solution comprises the following components in parts by weight: 5-15 parts of base oil, 2-4 parts of zinc dialkyl dithiophosphate, 0.3-0.7 part of benzotriazole, 0.3-0.7 part of defoamer, 5-7 parts of organic alcohol amine, 6-10 parts of triton, 1-3 parts of petroleum sodium sulfonate, 4-6 parts of polyether, 4-6 parts of span and 18-20 parts of water; the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl xanthate nickel. The water-based microemulsified cutting fluid provided by the invention has excellent extreme pressure wear resistance, and the maximum seizure-free load can reach 1069N.
Description
Technical Field
The invention relates to the technical field of cutting fluids, in particular to a water-based microemulsified cutting fluid.
Background
The cutting fluid is used for cooling and lubricating industrial fluid of a cutter and a workpiece in the metal cutting and grinding process, and the reasonable use of the cutting fluid in the metal cutting process can not only reduce friction between the cutter and a processing surface, but also reduce cutting force, cutting temperature and cutter abrasion. The cutting fluid can be divided into an oil-based cutting fluid and a water-based cutting fluid, wherein the oil-based cutting fluid is synthesized by compounding base oil with extreme pressure wear-resistant additives, lubricants, rust inhibitors and the like in different proportions, and has good cutting performance such as cutter durability, dimensional accuracy and surface roughness, but the oil-based cutting fluid has the problems of low flash point, strong irritation, difficult cleaning, high cost and the like. In recent years, the water-based cutting fluid takes water as a matrix, has the advantages of poor irritation, easy cleaning and low cost, and further is rapidly developed, and is prepared by scientifically compounding a plurality of additives, such as a defoaming agent, an antirust agent, a dispersing agent, a stabilizing agent, an extreme pressure agent and the like, but the existing water-based cutting fluid still has the problem of poor extreme pressure performance and lubricating performance.
Disclosure of Invention
In view of the above, the present invention aims to provide a water-based microemulsified cutting fluid. The water-based microemulsified cutting fluid provided by the invention has excellent extreme pressure property and lubricating property.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a water-based microemulsified cutting fluid, which comprises the following components in parts by weight:
2 parts of cutting fluid mother solution, 0.06-0.4 part of nano nickel sulfide and 37-38 parts of water;
the cutting fluid mother solution comprises the following components in parts by weight:
5-15 parts of base oil, 2-4 parts of Zinc Dialkyl Dithiophosphate (ZDDP), 0.3-0.7 part of benzotriazole, 0.3-0.7 part of defoamer, 18-20 parts of water, 5-7 parts of organic alcohol amine, 6-10 parts of triton, 1-3 parts of petroleum sodium sulfonate, 4-6 parts of polyether and 4-6 parts of span;
the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl xanthate nickel.
Preferably, the preparation method of the nano nickel sulfide comprises the following steps:
mixing and stirring a long-chain alkyl potassium xanthate aqueous solution and a nickel salt aqueous solution to obtain a long-chain alkyl nickel xanthate solution;
carrying out thermal decomposition on the long-chain alkyl xanthate nickel solution to obtain the nano nickel sulfide;
the concentration of the long-chain alkyl xanthogen acid nickel solution is 0.005-0.015 mol/L.
Preferably, the thermal decomposition temperature is 70-90 ℃ and the thermal decomposition time is 80-100 min.
Preferably, the number of carbons in long-chain alkyl in the water-soluble long-chain alkyl xanthate is 10-35; the water-soluble nickel salt comprises one or more of nickel nitrate, nickel chloride, nickel sulfate and nickel acetate.
Preferably, the molar ratio of the water-soluble nickel salt to the water-soluble long-chain alkyl potassium xanthate is 1:0.5 to 1.5.
Preferably, the triton comprises triton X-100 and/or triton X-114.
Preferably, the polyether comprises one or more of ethylene glycol monobutyl ether, diethylene glycol butyl ether and dipropylene glycol butyl ether.
Preferably, the span includes one or more of span 20, span 40, span 60, and span 80.
Preferably, the organic alcohol amine comprises one or more of triisopropanolamine, diethanolamine and triethanolamine.
The invention provides a water-based microemulsified cutting fluid, which comprises the following components in parts by weight: 2 parts of cutting fluid mother solution, 0.06-0.4 part of nano nickel sulfide and 37-38 parts of water; the cutting fluid mother solution comprises the following components in parts by weight: 5-15 parts of base oil, 2-4 parts of zinc dialkyl dithiophosphate, 0.3-0.7 part of benzotriazole, 0.3-0.7 part of defoamer, 18-20 parts of water, 5-7 parts of organic alcohol amine, 6-10 parts of triton, 1-3 parts of petroleum sodium sulfonate, 4-6 parts of polyether and 4-6 parts of span; the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl xanthate nickel. In the water-based microemulsified cutting fluid, the zinc dialkyldithiophosphate has very excellent lubricating and bearing capacities; the lubricating property of the water-based microemulsified cutting fluid can be improved by compounding the lubricating oil with base oil and nano nickel sulfide, and the lubricating oil has a high antiwear extreme pressure synergistic effect.
Drawings
FIG. 1 shows the maximum seizure-free load P of the water-based microemulsion cutting fluids obtained in comparative example 1 and examples 1 to 5 B A value map;
FIG. 2 is a graph showing the friction coefficient of the water-based microemulsified cutting fluids obtained in comparative example 1 and examples 1 to 5 (392N load, 1450r/min rotation speed);
FIG. 3 is a graph showing tapping torque of the water-based microemulsion cutting fluids obtained in comparative example 1 and examples 1 to 5;
FIG. 4 is a plot of the plaque of the water-based microemulsified cutting fluid obtained in comparative example 1 (load 392N, rotational speed 1450 r/min);
FIG. 5 is a plot of the plaque of the water-based microemulsified cutting fluid obtained in example 1 (load 392N, rotational speed 1450 r/min);
FIG. 6 is a graph showing the friction coefficient curve and the plaque plot (392N load, 1200r/min speed) of the water-based microemulsified cutting fluid obtained in example 1;
FIG. 7 is a graph showing the friction coefficient curve and the plaque plot (load 510N, rotational speed 1450 r/min) of the water-based microemulsified cutting fluid obtained in example 1;
FIG. 8 is a transmission electron micrograph of nano nickel sulfide obtained in example 1;
FIG. 9 is a plot of the plaque of the water-based microemulsified cutting fluid obtained in example 2 (392N load, 1450 r/min);
FIG. 10 is a graph showing the friction coefficient curve and the plaque plot (392N load, 1200r/min speed) of the water-based microemulsified cutting fluid obtained in example 2;
FIG. 11 is a graph showing the friction coefficient curve and the plaque plot (load 510N, rotational speed 1450 r/min) of the water-based microemulsified cutting fluid obtained in example 2;
FIG. 12 is a plot of the plaque of the water-based microemulsified cutting fluid obtained in example 3 (392N load, 1450 r/min);
FIG. 13 is a plot of the plaque of the water-based microemulsified cutting fluid obtained in example 4 (392N load, 1450 r/min);
FIG. 14 is a plot of the plaque on the water-based microemulsified cutting fluid obtained in example 5 (load 392N, rotational speed 1450 r/min).
Detailed Description
The invention provides a water-based microemulsified cutting fluid, which comprises the following components in parts by weight:
2 parts of cutting fluid mother solution, 0.06-0.4 part of nano nickel sulfide and 37-38 parts of water;
the cutting fluid mother solution comprises the following components in parts by weight:
5-15 parts of base oil, 2-4 parts of Zinc Dialkyl Dithiophosphate (ZDDP), 0.3-0.7 part of benzotriazole, 0.3-0.7 part of defoamer, 5-7 parts of organic alcohol amine, 6-10 parts of triton, 1-3 parts of petroleum sodium sulfonate, 4-6 parts of polyether, 4-6 parts of span and 18-20 parts of deionized water;
the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl xanthate nickel.
In the present invention, the raw materials used in the present invention are preferably commercially available products unless otherwise specified.
The water-based microemulsified cutting fluid provided by the invention comprises 2 parts by weight of cutting fluid mother liquor. In the invention, the cutting fluid mother solution comprises the following components in parts by weight: 5-15 parts of base oil, 2-4 parts of zinc dialkyl dithiophosphate ZDDP, 0.3-0.7 part of benzotriazole, 0.3-0.7 part of defoamer, 5-7 parts of organic alcohol amine, 6-10 parts of triton, 1-3 parts of petroleum sodium sulfonate, 4-6 parts of polyether, 4-6 parts of span and 18-20 parts of deionized water.
In the present invention, the cutting fluid mother liquor includes 5 to 15 parts by weight, preferably 7 to 13 parts by weight, and more preferably 9 to 11 parts by weight of a base oil. In the present invention, the base oil preferably includes one or more of white oil, vegetable oil, and paraffin oil, and further preferably is white oil.
In the present invention, the cutting fluid mother liquor includes 2 to 4 parts by weight, preferably 2.5 to 3.5 parts by weight, and more preferably 3 parts by weight of zinc dialkyldithiophosphate.
In the present invention, the cutting fluid mother liquor includes 0.3 to 0.7 parts by weight, preferably 0.4 to 0.6 parts by weight, and more preferably 0.5 parts by weight of benzotriazole. In the invention, the benzotriazole has better antirust lubricating effect and antibacterial stabilizing effect, and can effectively prevent corrosion and deterioration.
In the present invention, the cutting fluid mother liquor includes 0.3 to 0.7 part by weight, preferably 0.4 to 0.6 part by weight, and more preferably 0.5 part by weight of an antifoaming agent. In the present invention, the antifoaming agent preferably includes one or more of modified silicone oil, natural oil and polyether, and more preferably is modified silicone oil.
In the present invention, the cutting fluid mother liquor includes 18 to 20 parts by weight, preferably 18.5 to 19.5 parts by weight, and more preferably 19 parts by weight of water. In the present invention, the water preferably includes deionized water.
In the present invention, the cutting fluid mother liquor includes 5 to 7 parts by weight, preferably 5.5 to 6.5 parts by weight, and more preferably 6 parts by weight of an organic alcohol amine. In the present invention, the organic alcohol amine preferably includes one or more of triisopropanolamine, diethanolamine and triethanolamine, and further preferably triethanolamine.
In the present invention, the cutting fluid mother liquor includes 6 to 10 parts by weight, preferably 7 to 9 parts by weight, and more preferably 8 parts by weight of triton. In the present invention, the triton preferably includes triton X-100 and/or triton X-114, and more preferably triton X-114.
In the present invention, the cutting fluid mother liquor includes 1 to 3 parts by weight, preferably 1.5 to 2.5 parts by weight, and more preferably 2 parts by weight of sodium petroleum sulfonate. In the present invention, the sodium petroleum sulfonate has a very excellent rust inhibitive effect.
In the present invention, the cutting fluid mother liquor includes 4 to 6 parts by weight, preferably 4.5 to 5.5 parts by weight, and more preferably 5 parts by weight of polyether. In the present invention, the polyether preferably includes one or more of ethylene glycol monobutyl ether, diethylene glycol butyl ether and dipropylene glycol butyl ether, and further preferably diethylene glycol butyl ether. In the invention, the polyether has the functions of emulsification, dispersion and lubrication in the water-based microemulsified cutting fluid.
In the present invention, the cutting fluid mother liquor includes 4 to 6 parts by weight, preferably 4.5 to 5.5 parts by weight, and more preferably 5 parts by weight of span. In the present invention, the span preferably includes one or more of span 20, span 40, span 60 and span 80, and more preferably span 80. In the invention, the span has strong emulsifying, dispersing and lubricating properties, and is also a good stabilizer and defoamer.
In the invention, the polyether, span and petroleum sodium sulfonate are compounded to play a good role in emulsion stabilization, so that each component is uniformly and stably dispersed in water, the sedimentation, layering, agglomeration, flocculation or aging of active ingredients are prevented, and the storage stability of the water-based microemulsified cutting fluid is improved.
The water-based microemulsified cutting fluid provided by the invention comprises 0.06-0.4 part by weight of nano nickel sulfide, and particularly preferably 0.2 part by weight, 0.3 part by weight, 0.4 part by weight, 0.1 part by weight and 0.06 part by weight. In the invention, the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl xanthate nickel. In the present invention, the preparation method of the nano nickel sulfide preferably comprises the following steps: uniformly mixing a long-chain alkyl potassium xanthate aqueous solution and a nickel salt aqueous solution to obtain a long-chain alkyl nickel xanthate solution; and carrying out thermal decomposition on the long-chain alkyl xanthate nickel solution to obtain the nano nickel sulfide. In the present invention, the concentration of the long-chain alkyl nickel xanthate solution is preferably 0.005 to 0.015mol/L, and more preferably 0.01mol/L. In the present invention, the thermal decomposition temperature is preferably 70 to 90 ℃, and more preferably 80 ℃; the time is preferably 80 to 100 minutes, more preferably 90 minutes. After the thermal decomposition, the method preferably further comprises extraction and drying, and the operation of the extraction and drying is not particularly limited, so long as the nano nickel sulfide can be extracted and dried.
In the present invention, the number of carbons in the long-chain alkyl group in the water-soluble long-chain alkyl potassium xanthate is preferably 10 to 35, more preferably 33. In the present invention, the water-soluble nickel salt preferably includes one or more of nickel nitrate, nickel chloride, nickel sulfate and nickel acetate, and further preferably nickel nitrate. In the present invention, the molar ratio of the water-soluble nickel salt to the water-soluble long-chain alkyl potassium xanthate is preferably 1:0.5 to 1.5, more preferably 1:1.
in the invention, the zinc dialkyl dithiophosphate has very excellent lubricating and bearing capacity, and the zinc dialkyl dithiophosphate can be compounded with base oil and nano nickel sulfide to improve the lubricating performance of the water-based microemulsified cutting fluid, and has high antiwear extreme pressure synergistic effect. The water-based microemulsified cutting fluid provided by the invention comprises 37-38 parts by weight of water. In the present invention, the water preferably includes deionized water.
The preparation method of the water-based microemulsified cutting fluid is not particularly limited, and a person skilled in the art can adopt a conventional preparation method of a mixture.
The water-based microemulsified cutting fluids provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Comparative example 1
A preparation method of a water-based microemulsified cutting fluid comprises the following steps:
to a flask, 10 parts by weight of white oil, 3 parts by weight of ZDDP, 0.5 parts by weight of benzotriazole, 0.5 parts by weight of a defoaming agent, and the mixture was heated to 40℃and stirred for 30 minutes to obtain a first solution.
To the other flask was added 19 parts by weight of deionized water, 6 parts by weight of triethanolamine, and the temperature was raised to 40℃and stirred for 30 minutes to obtain a second solution.
And pouring the second solution into the first solution, maintaining the temperature at 40 ℃, sequentially adding 2 parts by weight of triton X-1148 parts by weight of petroleum sodium sulfonate, 5 parts by weight of diethylene glycol butyl ether and 805 parts by weight of span, and stirring for 30min to obtain a light yellow semitransparent uniform cutting fluid mother solution.
2 parts by weight of cutting fluid mother liquor and 38 parts by weight of deionized water are added into a flask, and the water-based microemulsified cutting fluid with semitransparent and uniform properties is obtained after uniform mixing.
The tribological properties of the resulting water-based microemulsified cutting fluid were tested using a four-ball friction tester (MS-10A). The steel ball used in the test isThe test conditions of the GCr15 bearing steel ball are as follows: maximum no-bite load P B Measurement of the values and coefficient of friction (COF) at room temperature under a load of 392N at a rotational speed of 1450r/min for 30 min. The surface of the steel ball was tested for plaque diameter using an XDS-0745D optical microscope and a MicroXAM3D non-contact surface tester.
A tapping torque test system is used to test the cutting or deformation process during metal working. The test condition is that the rotating speed is 800r/min, the nut is 6082# aluminum alloy, the inner diameter is 3.7mm, the tap is a high-precision plating Huang Tai extrusion tap, and the model is TTT_M4F-TINT.
Maximum non-biting load P of the obtained water-based microemulsified cutting fluid B The values are shown in FIG. 1, the friction coefficient graph is shown in FIG. 2, the tapping torque graph is shown in FIG. 3, and the mill marks graph is shown in FIG. 4.
As shown in FIG. 1, the maximum non-biting load of the obtained water-based micro-emulsion cutting fluid can reach 588N, and the water-based micro-emulsion cutting fluid has certain extreme pressure performance. As shown in FIG. 2, the coefficient of friction of the resulting water-based microemulsified cutting fluid was 0.078. As shown in fig. 3, the tapping torque value of the obtained water-based micro-emulsion cutting fluid is low, which indicates that the obtained water-based micro-emulsion cutting fluid has a certain lubricating property. As shown in FIG. 4, the obtained water-based micro-emulsified cutting fluid has a plaque diameter (WSD) of 0.566mm, and the plaque diameter is small; in addition, the surface of the mill spots is smoother and flatter.
Example 1
A preparation method of a water-based microemulsified cutting fluid comprises the following steps:
2 parts by weight of a cutting fluid mother solution (same as comparative example 1), 0.2 part by weight of nano nickel sulfide and 37.8 parts by weight of deionized water are added into a flask, and the mixture is uniformly mixed to obtain a semitransparent and uniform water-based microemulsified cutting fluid.
The preparation method of the nano nickel sulfide comprises the following steps:
2mmol of water-soluble long-chain alkyl potassium xanthate (the number of carbon atoms of long-chain alkyl in the water-soluble long-chain alkyl potassium xanthate is 33) is dissolved in 150mL of deionized water, and the solution is uniformly stirred to obtain a first solution. And dissolving equimolar nickel nitrate into 50mL of deionized water, and uniformly oscillating to obtain a second solution. And (3) dropwise adding the second solution into the first solution to obtain a long-chain alkyl nickel xanthate solution with the concentration of 0.01mol/L, thermally decomposing the long-chain alkyl nickel xanthate solution at 80 ℃ for 90min, and then extracting and drying to obtain the nano nickel sulfide.
The tribological property evaluation test conditions of the water-based microemulsified cutting fluid were the same as comparative example 1. Maximum non-biting load P of the obtained water-based microemulsified cutting fluid B The values are shown in fig. 1, the friction coefficient graph is shown in fig. 2, the tapping torque graph is shown in fig. 3, and the mill marks graph is shown in fig. 5.
As can be seen from fig. 1: the maximum non-biting load of the obtained water-based microemulsified cutting fluid can reach 1069N, and compared with comparative example 1, the maximum non-biting load of the water-based microemulsified cutting fluid is greatly improved. As can be seen from fig. 2: the coefficient of friction of the obtained water-based microemulsified cutting fluid is 0.088 and is always kept below 0.1. As can be seen from fig. 3: the tapping torque values of the water-based micro-emulsified cutting fluid containing nickel sulfide are not much different from those of comparative example 1, which shows that the lubricating performance of the obtained water-based micro-emulsified cutting fluid is good. As can be seen from fig. 5: the obtained water-based microemulsified cutting fluid has a mill-spot diameter (WSD) of 0.474mm, a smaller mill-spot diameter and a smooth and flat surface.
The rotational speed 1200r/min in the test conditions for evaluating tribological properties in comparative example 1 was set, and the tribological properties of the obtained water-based microemulsified cutting fluid were measured, and the results are shown in FIG. 6. As can be seen from fig. 6: the reduction of the rotational speed to 1200r/min, the coefficient of friction of the water-based microemulsified cutting fluid obtained in example 1 below 0.1, and the plaque diameter (WSD) of 0.426mm, indicates that the water-based microemulsified cutting fluid obtained in example 1 has good lubricating properties under the test condition of reduced rotational speed. In addition, the diameter of the abrasive spots is reduced along with the reduction of the rotating speed, and the surface is smoother and smoother.
The tribological properties of the resulting water-based microemulsified cutting fluid were measured by setting the load in the tribological property evaluation test conditions in example 1 to 510N, and the results are shown in fig. 7. As can be seen from fig. 7: the bearing capacity is increased to 510N, and the friction coefficient of the water-based microemulsified cutting fluid obtained in the embodiment 1 is still stable and always kept below 0.1; the plaque diameter (WSD) was 0.459mm, indicating that the aqueous microemulsion cutting fluid obtained in example 1 still had good lubricating properties under more severe test conditions. In addition, the diameter of the abrasive spots does not change greatly with the increase of the bearing capacity, and the surface is smooth and even.
Fig. 8 is a transmission electron micrograph of the obtained nano nickel sulfide, as can be seen from fig. 8: the particle size of the particles is uniform, and no agglomeration phenomenon exists.
Example 2
A preparation method of a water-based microemulsified cutting fluid comprises the following steps:
into a flask, 2 parts by weight of a cutting fluid mother liquor (same as comparative example 1), 0.3 parts by weight of nano nickel sulfide (same as example 1) and 37.7 parts by weight of deionized water were added, and the mixture was uniformly mixed to obtain a translucent uniform water-based microemulsified cutting fluid.
The tribological property evaluation test conditions of the water-based microemulsified cutting fluid were the same as comparative example 1. Maximum non-biting load P of the obtained water-based microemulsified cutting fluid B The values are shown in fig. 1, the friction coefficient graph is shown in fig. 2, the tapping torque graph is shown in fig. 3, and the mill marks graph is shown in fig. 9.
As shown in FIG. 1, the obtained water-based microemulsified cutting fluid has a maximum seizure-free load P B The value is still 1069N. As shown in fig. 2, waterThe friction coefficient of the base microemulsified cutting fluid is 0.091 and is always kept below 0.1. As shown in fig. 3: the tapping torque value of the obtained water-based micro-emulsified cutting fluid is lower than that of comparative example 1, which shows that the lubricating performance of the obtained water-based micro-emulsified cutting fluid is improved. As shown in FIG. 9, the obtained water-based microemulsified cutting fluid has a plaque diameter (WSD) of 0.412mm, a smaller plaque diameter, and a smooth and flat surface, and is suitable for use as a metal cutting fluid. It is comprehensively seen that the weight percentage content of nano nickel sulfide in the water-based micro-emulsified cutting fluid is increased to 15%, and the extreme pressure performance, the bearing capacity and the maximum seizure-free load of the water-based micro-emulsified cutting fluid can be effectively improved.
The tribological properties of the obtained water-based microemulsified cutting fluid were measured by setting the rotational speed of 1200r/min under the test conditions for evaluating tribological properties in example 2, and the results are shown in FIG. 10. As can be seen from fig. 10: reducing the rotation speed to 1200r/min, wherein the friction coefficient of the water-based micro-emulsified cutting fluid obtained in the example 2 is kept below 0.1; the plaque diameter (WSD) was 0.446mm, indicating that the water-based microemulsified cutting fluid obtained in example 2 has good lubrication properties under reduced rotational speed test conditions. In addition, the surface of the mill spots is smooth and flat.
The tribological properties of the resulting water-based microemulsified cutting fluid were measured by setting the load in the test conditions for tribological property evaluation in example 2 to 510N, and the results are shown in fig. 11. As can be seen from fig. 11: increasing the bearing capacity to 510N, wherein the friction coefficient of the obtained water-based microemulsified cutting fluid is still stable and always kept below 0.1; the plaque diameter (WSD) was 0.477mm, indicating that the water-based microemulsified cutting fluid obtained in example 2 still has good lubrication properties under more severe test conditions. In addition, the diameter of the grinding spots increases slightly with the increase of the bearing capacity, but the surface of the grinding spots is smooth and even.
Example 3
A preparation method of a water-based microemulsified cutting fluid comprises the following steps:
into a flask, 2 parts by weight of a cutting fluid mother liquor (same as comparative example 1), 0.4 parts by weight of nano nickel sulfide (same as example 1) and 37.6 parts by weight of deionized water were added, and the mixture was uniformly mixed to obtain a translucent uniform water-based microemulsified cutting fluid.
The water-based micro-scaleTribological property evaluation test conditions of the emulsified cutting fluid were the same as comparative example 1. Maximum non-biting load P of the obtained water-based microemulsified cutting fluid B The values are shown in fig. 1, the friction coefficient graph is shown in fig. 2, the tapping torque graph is shown in fig. 3, and the mill marks graph is shown in fig. 12.
As shown in FIG. 1, the maximum seizure-free load P of the obtained water-based microemulsion cutting fluid B 1069N may still be reached. As shown in FIG. 2, the resulting water-based microemulsion cutting fluid had a coefficient of friction of 0.075, which was lower than that of comparative example 1, and which remained below 0.1 at all times. As shown in fig. 3, the tapping torque value of the water-based micro-emulsion cutting fluid containing water-soluble nano nickel sulfide is lower than that of comparative example 1, which shows that the lubricating performance of the obtained water-based micro-emulsion cutting fluid is better. As shown in FIG. 12, the abrasive spot diameter (WSD) was 0.498mm, the abrasive spot diameter was small, and the surface was smooth and flat, and was suitable for use as a metal cutting fluid. The combination can be seen: the mass percentage of nano nickel sulfide in the water-based micro-emulsified cutting fluid is increased to 20%, and the extreme pressure performance, the bearing capacity and the maximum seizure-free load of the water-based micro-emulsified cutting fluid can be still effectively improved.
Example 4
A preparation method of a water-based microemulsified cutting fluid comprises the following steps:
into a flask, 2 parts by weight of a cutting fluid mother liquor (same as comparative example 1), 0.1 part by weight of nano nickel sulfide (same as example 1) and 37.9 parts by weight of deionized water were added, and the mixture was uniformly mixed to obtain a translucent uniform water-based microemulsified cutting fluid.
The tribological property evaluation test conditions of the water-based microemulsified cutting fluid were the same as comparative example 1. Maximum non-biting load P of the obtained water-based microemulsified cutting fluid B The values are shown in fig. 1, the friction coefficient graph is shown in fig. 2, the tapping torque graph is shown in fig. 3, and the mill marks graph is shown in fig. 13.
As shown in FIG. 1, the maximum seizure-free load P of the obtained water-based microemulsion cutting fluid B 755N may be reached. As shown in fig. 2, the coefficient of friction of the resulting water-based microemulsion cutting fluid was 0.081, and remained below 0.1 at all times. As shown in FIG. 3, the tapping torque value of the water-based microemulsified cutting fluid containing water-soluble nano nickel sulfide is significantly lower than that of the comparative example1, the lubricating property of the obtained water-based microemulsified cutting fluid is good. As shown in FIG. 13, the abrasive spot diameter (WSD) was 0.508mm, the abrasive spot diameter was small, and the surface thereof was smooth and flat, and suitable for use as a metal cutting fluid. The combination can be seen: the mass percentage of the nano nickel sulfide in the water-based micro-emulsified cutting fluid is reduced to 5%, and the extreme pressure performance, the bearing capacity and the maximum seizure-free load of the water-based micro-emulsified cutting fluid can be improved to a certain extent.
Example 5
A preparation method of a water-based microemulsified cutting fluid comprises the following steps:
into a flask, 2 parts by weight of a cutting fluid mother liquor (same as in example 1), 0.06 parts by weight of nano nickel sulfide (same as in example 1) and 37.94 parts by weight of deionized water were added, and the mixture was uniformly mixed to obtain a translucent and uniform water-based microemulsified cutting fluid.
The tribological property evaluation test conditions of the water-based microemulsified cutting fluid were the same as comparative example 1. Maximum non-biting load P of the obtained water-based microemulsified cutting fluid B The values are shown in FIG. 1, the friction coefficient curves are shown in FIG. 2, the tapping torque diagrams are shown in FIG. 3, and the mill marks diagrams are shown in FIG. 14.
As shown in FIG. 1, the maximum seizure-free load P of the obtained water-based microemulsion cutting fluid B 618N may be reached. As shown in FIG. 2, the coefficient of friction of the resulting water-based microemulsified cutting fluid was 0.073 and remained below 0.1 at all times. As shown in fig. 3, the tapping torque value of the water-based micro-emulsified cutting fluid containing the water-soluble nano nickel sulfide is not much different from that of comparative example 1, which shows that the obtained water-based micro-emulsified cutting fluid has certain lubricating property. As shown in FIG. 14, the diameter of the mill (WSD) was 0.490mm, the diameter of the mill was small, and the surface thereof was smooth and flat, and suitable for use as a metal cutting fluid. The combination can be seen: the mass percentage content of the nano nickel sulfide in the water-based micro-emulsified cutting fluid is reduced to 3%, and the extreme pressure performance, the bearing capacity and the maximum seizure-free load of the water-based micro-emulsified cutting fluid can be still effectively improved.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. The water-based microemulsified cutting fluid is characterized by comprising the following components in parts by weight:
2 parts of cutting fluid mother solution, 0.06-0.4 part of nano nickel sulfide and 37-38 parts of water;
the cutting fluid mother solution comprises the following components in parts by weight:
5-15 parts of base oil, 2-4 parts of zinc dialkyl dithiophosphate, 0.3-0.7 part of benzotriazole, 0.3-0.7 part of defoamer, 5-7 parts of organic alcohol amine, 6-10 parts of triton, 1-3 parts of petroleum sodium sulfonate, 4-6 parts of polyether, 4-6 parts of span and 18-20 parts of water;
the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl xanthate nickel;
the preparation method of the nano nickel sulfide comprises the following steps:
uniformly mixing a long-chain alkyl potassium xanthate aqueous solution and a nickel salt aqueous solution to obtain a long-chain alkyl nickel xanthate solution;
carrying out thermal decomposition on the long-chain alkyl xanthate nickel solution to obtain the nano nickel sulfide;
the concentration of the long-chain alkyl nickel xanthate solution is 0.005-0.015 mol/L;
the thermal decomposition temperature is 70-90 ℃ and the thermal decomposition time is 80-100 min.
2. The water-based microemulsified cutting fluid of claim 1, wherein the number of carbons in long-chain alkyl groups in the water-soluble long-chain alkyl xanthate is 10-35; the water-soluble nickel salt comprises one or more of nickel nitrate, nickel chloride, nickel sulfate and nickel acetate.
3. The water-based microemulsified cutting fluid of claim 1, wherein the molar ratio of the water-soluble nickel salt to the water-soluble long-chain alkyl potassium xanthate is 1:0.5 to 1.5.
4. The water-based microemulsified cutting fluid of claim 1, wherein the triton comprises triton X-100 and/or triton X-114.
5. The water-based microemulsified cutting fluid of claim 1, wherein the polyether comprises one or more of ethylene glycol monobutyl ether, diethylene glycol butyl ether, and dipropylene glycol butyl ether.
6. The water-based microemulsified cutting fluid of claim 1, wherein the span comprises one or more of span 20, span 40, span 60, and span 80.
7. The water-based microemulsified cutting fluid of claim 1, wherein the organic alcohol amine comprises one or more of triisopropanolamine, diethanolamine, and triethanolamine.
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