CN112481010B - Viscosity-series water-glycol flame-retardant hydraulic fluid and preparation method thereof - Google Patents
Viscosity-series water-glycol flame-retardant hydraulic fluid and preparation method thereof Download PDFInfo
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- CN112481010B CN112481010B CN202011348017.8A CN202011348017A CN112481010B CN 112481010 B CN112481010 B CN 112481010B CN 202011348017 A CN202011348017 A CN 202011348017A CN 112481010 B CN112481010 B CN 112481010B
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- water
- hydraulic fluid
- glycol
- percent
- viscosity
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- 239000012530 fluid Substances 0.000 title claims abstract description 76
- 239000003063 flame retardant Substances 0.000 title claims abstract description 24
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 34
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 33
- FPVVYTCTZKCSOJ-UHFFFAOYSA-N Ethylene glycol distearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCOC(=O)CCCCCCCCCCCCCCCCC FPVVYTCTZKCSOJ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229940100608 glycol distearate Drugs 0.000 claims abstract description 31
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 14
- 239000000194 fatty acid Substances 0.000 claims abstract description 14
- 229930195729 fatty acid Natural products 0.000 claims abstract description 14
- 235000019864 coconut oil Nutrition 0.000 claims abstract description 13
- 239000003240 coconut oil Substances 0.000 claims abstract description 13
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 34
- 238000005303 weighing Methods 0.000 claims description 25
- 239000008367 deionised water Substances 0.000 claims description 24
- 229910021641 deionized water Inorganic materials 0.000 claims description 24
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 21
- 239000007864 aqueous solution Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 19
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 claims description 18
- 229920002582 Polyethylene Glycol 600 Polymers 0.000 claims description 15
- 230000009970 fire resistant effect Effects 0.000 claims description 15
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 11
- 229920001451 polypropylene glycol Polymers 0.000 claims description 11
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 10
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 10
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 10
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 9
- 229960002446 octanoic acid Drugs 0.000 claims description 9
- 229960004418 trolamine Drugs 0.000 claims description 9
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 claims description 8
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000013556 antirust agent Substances 0.000 claims description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 6
- ICLYJLBTOGPLMC-KVVVOXFISA-N (z)-octadec-9-enoate;tris(2-hydroxyethyl)azanium Chemical compound OCCN(CCO)CCO.CCCCCCCC\C=C/CCCCCCCC(O)=O ICLYJLBTOGPLMC-KVVVOXFISA-N 0.000 claims description 5
- 239000002518 antifoaming agent Substances 0.000 claims description 5
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 5
- 239000012964 benzotriazole Substances 0.000 claims description 5
- 239000003755 preservative agent Substances 0.000 claims description 5
- 230000002335 preservative effect Effects 0.000 claims description 5
- 229940117013 triethanolamine oleate Drugs 0.000 claims description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 4
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 claims description 4
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 claims description 4
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- GYSCBCSGKXNZRH-UHFFFAOYSA-N 1-benzothiophene-2-carboxamide Chemical compound C1=CC=C2SC(C(=O)N)=CC2=C1 GYSCBCSGKXNZRH-UHFFFAOYSA-N 0.000 claims description 2
- KQHZEKNQJJSVDN-KVVVOXFISA-N 2-(2-hydroxyethylamino)ethanol;(z)-octadec-9-enoic acid Chemical compound OCCNCCO.CCCCCCCC\C=C/CCCCCCCC(O)=O KQHZEKNQJJSVDN-KVVVOXFISA-N 0.000 claims description 2
- RZEWIYUUNKCGKA-UHFFFAOYSA-N 2-(2-hydroxyethylamino)ethanol;octadecanoic acid Chemical compound OCCNCCO.CCCCCCCCCCCCCCCCCC(O)=O RZEWIYUUNKCGKA-UHFFFAOYSA-N 0.000 claims description 2
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 claims description 2
- CYDZJGCRARXXGV-UHFFFAOYSA-N 4-octyl-2h-triazole Chemical compound CCCCCCCCC=1C=NNN=1 CYDZJGCRARXXGV-UHFFFAOYSA-N 0.000 claims description 2
- AWQSAIIDOMEEOD-UHFFFAOYSA-N 5,5-Dimethyl-4-(3-oxobutyl)dihydro-2(3H)-furanone Chemical compound CC(=O)CCC1CC(=O)OC1(C)C AWQSAIIDOMEEOD-UHFFFAOYSA-N 0.000 claims description 2
- XZOYHFBNQHPJRQ-UHFFFAOYSA-N 7-methyloctanoic acid Chemical compound CC(C)CCCCCC(O)=O XZOYHFBNQHPJRQ-UHFFFAOYSA-N 0.000 claims description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N Decanoic acid Natural products CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 claims description 2
- 229940043237 diethanolamine Drugs 0.000 claims description 2
- 229940031098 ethanolamine Drugs 0.000 claims description 2
- XMYQHJDBLRZMLW-UHFFFAOYSA-N methanolamine Chemical compound NCO XMYQHJDBLRZMLW-UHFFFAOYSA-N 0.000 claims description 2
- 229940087646 methanolamine Drugs 0.000 claims description 2
- ZHALDANPYXAMJF-UHFFFAOYSA-N octadecanoate;tris(2-hydroxyethyl)azanium Chemical compound OCC[NH+](CCO)CCO.CCCCCCCCCCCCCCCCCC([O-])=O ZHALDANPYXAMJF-UHFFFAOYSA-N 0.000 claims description 2
- 229940029614 triethanolamine stearate Drugs 0.000 claims description 2
- HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 claims 1
- 239000004721 Polyphenylene oxide Substances 0.000 abstract description 14
- 229920000570 polyether Polymers 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 6
- 235000010446 mineral oil Nutrition 0.000 abstract description 5
- 239000000654 additive Substances 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000002480 mineral oil Substances 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 10
- 239000002562 thickening agent Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 230000001050 lubricating effect Effects 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 4
- 239000008118 PEG 6000 Substances 0.000 description 3
- 229920002584 Polyethylene Glycol 6000 Polymers 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000002736 nonionic surfactant Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000010423 industrial mineral Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- -1 metallurgy Substances 0.000 description 2
- 239000000693 micelle Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 1
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000012747 synergistic agent Substances 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- 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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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
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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
- C10M2207/126—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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- 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
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- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
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- 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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- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- 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
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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
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- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
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- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
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- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
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- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
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- Lubricants (AREA)
Abstract
The invention discloses a water-glycol flame-retardant hydraulic fluid and a preparation method thereof. The water-glycol flame-retardant hydraulic fluid is characterized by being prepared from glycol, water, a tackifier, a tackifying synergist and a fixing component. The components with the tackifying effect are mainly the combination of non-polyether polyethylene glycol distearate and coconut oil fatty acid diethanolamide, and the problems that the viscosity of the polyether tackifier is changed and the viscosity is unstable due to floccule precipitation of hydraulic fluid when the addition amount of the polyether tackifier exceeds a certain amount are solved. The invention also adds the water-glycol hydraulic fluid with the viscosity grade of 100, and the water-glycol hydraulic fluid can be used as a substitute of mineral oil type hydraulic fluid products, so that the application of the water-glycol hydraulic fluid is wider. Meanwhile, through the synergistic action of various additives, the flame-retardant hydraulic fluid with good extreme pressure, wear resistance and friction reduction performance is obtained, and the problem of low tribological performance of the hydraulic fluid with low viscosity grade is solved.
Description
Technical Field
The invention belongs to the technical field of flame-retardant hydraulic fluid, relates to a series water glycol flame-retardant hydraulic fluid and a preparation method thereof, and particularly relates to a viscosity series high extreme pressure anti-wear friction-reducing water glycol flame-retardant hydraulic fluid and a preparation method thereof.
Background
The water-glycol fire-resistant hydraulic fluid has the advantages of low condensation point, good fire resistance, long service life, no toxicity, economy, environmental protection and the like, is widely applied to multiple industries such as machinery, cement, metallurgy, petroleum, chemical industry and the like, and has large demand. However, modern hydraulic equipment develops towards high pressure, high speed, high temperature, various varieties and large capacity, the existing water-glycol anti-combustion hydraulic fluid is generally prepared from various special additives such as water, glycol, a thickening agent, an oiliness agent, an antirust agent and the like, and because of containing a large amount of moisture, the kinematic viscosity is low, and a firm extreme pressure lubricating film is difficult to generate on the surface of a friction pair, the extreme pressure and antifriction and antiwear performances are poor. CN102010782A discloses an anti-flaming hydraulic fluid composition and a preparation method thereof, wherein the composition comprises water, ethylene glycol, a polyether type thickener and a pH stabilizer, wherein the pH stabilizer is composed of fatty acid amine with anti-rust and anti-corrosion functions and benzotriazole, but the composition lacks of an additive capable of improving oil lubrication and anti-wear performance, so that the anti-flaming hydraulic fluid composition is poor in wear resistance and not high in maximum non-seizure load value. Meanwhile, the polyether thickener is high in price, floccule precipitates can be generated in hydraulic fluid when the addition amount of polyether in water glycol exceeds 16%, and the viscosity of the water glycol is changed, so that the stability is poor. In addition, the water-glycol hydraulic fluid in China is classified into four grades such as 22, 32, 46 and 68 according to the GB/T21449-2008 water-glycol type fire-retardant hydraulic fluid standard, while the general industrial mineral oil hydraulic fluid can be classified into six grades such as 16, 22, 32, 46, 68 and 100 according to the viscosity, and compared with the industrial mineral oil hydraulic fluid, the viscosity series of the water-glycol fire-retardant hydraulic fluid cannot meet the requirement of a higher working condition of extreme pressure performance. Therefore, hydraulic fluid with a wider viscosity series range and good flame resistance, extreme pressure, wear resistance and friction reduction performance is urgently needed to meet the actual demand.
Disclosure of Invention
The purpose of the invention is: in order to overcome the problem that the viscosity grade of the existing hydraulic fluid cannot meet the requirements of modern hydraulic equipment on development towards high pressure, high speed, high temperature, multiple varieties and large capacity, the water glycol hydraulic fluid realizes viscosity serialization and various physical and chemical properties close to those of mineral oil hydraulic fluid, and simultaneously improves the extreme pressure anti-wear and anti-friction properties of the water glycol hydraulic fluid, the water glycol anti-combustion hydraulic fluid which can meet the requirement of the viscosity grade and has high extreme pressure anti-wear and anti-friction properties and the preparation method thereof are provided.
The purpose of the invention can be realized by the following technical scheme:
the water-glycol flame-retardant hydraulic fluid is characterized by being prepared from glycol, water, a tackifier, a tackifying synergist and a fixing component; wherein the weight percentage of each component is as follows:
the balance of fixed components, and the sum of the weight percentages of the ethylene glycol, the water, the tackifier, the tackifying synergist and the fixed components is 100 percent;
wherein the tackifier is non-polyether type, and the tackifying synergist is selected from one or more of glycerol polyoxyethylene ether (G-18), polypropylene glycol ether (PPG 400) and Sodium Dodecyl Benzene Sulfonate (SDBS); the fixing component comprises an oiliness agent, a defoaming agent, an antirust agent, a preservative and the like.
As a preferable mode of the invention, the weight percentage of each component is as follows:
and the sum of the weight percentages of the components is 100 percent.
The tackifier is the combination of polyethylene glycol distearate (PEG 6000DS, also called as a thickener 638) and coconut oil fatty acid diethanolamide. Polyethylene glycol distearate (hereinafter referred to as PEG6000 DS) is a high-molecular nonionic surfactant. Since the molecule of PEG6000DS is composed of hydrophobic-hydrophilic-hydrophobic parts, it forms a ternary hydrated network in a dilute surfactant aqueous solution, enclosing the surfactant micelles therein, and the micelles are transformed from a spherical shape to a rod shape, thereby increasing the viscosity. Although the single PEG6000DS tackifier has a relatively good tackifying effect and can also improve the tribological performance of the hydraulic fluid to a certain extent, the space for further improving the tribological performance is very limited. The coconut oil fatty acid diethanolamide also belongs to a nonionic surfactant, is easy to dissolve in water, has good functions of foaming, foam stabilization, penetration decontamination, hard water resistance and the like, can be compatible with various surfactants, and has an obvious tackifying effect. The invention provides a water-glycol flame-retardant hydraulic fluid which can meet the requirement of viscosity grade and has high extreme pressure wear-resistant and friction-reducing performance by combining polyethylene glycol distearate and coconut oil fatty acid diethanolamide and compounding a tackifying synergist.
As a preferable mode of the present invention, the viscosity-increasing synergist is one or more selected from the group consisting of glycerol polyoxyethylene ether (G-18), polypropylene glycol ether (PPG 400), and Sodium Dodecylbenzenesulfonate (SDBS). Glycerol polyoxyethylether (G-18) and polypropylene glycol ether (PPG 400) are nonionic surfactants as in PEG6000 DS. The glycerol polyoxyethylene ether (G-18) is an excellent humectant and lubricant, has good compatibility with various surfactants, has obvious tackifying effect, can form a stable lubricant film with large adsorption capacity and bearing capacity in a lubricating state, has a low friction coefficient and strong anti-shearing capacity, and can be used as a viscosity regulator, a foam regulator and a lubricant. The polypropylene glycol ether PPG400 is soluble in water, has lubricating, solubilizing, defoaming and other effects, and can also be used as a viscosity modifier. Sodium dodecyl benzene sulfonate is easy to dissolve in water, is a common anionic surfactant, and has obvious thickening effect when being compatible with coconut oil fatty acid diethanolamide.
As a further preferred aspect of the present invention, in the fixing component, the oiliness agent is one or more of methyl silicone oil, triethanolamine oleate, diethanolamine oleate, triethanolamine stearate, and diethanolamine stearate, preferably methyl silicone oil and triethanolamine oleate, and accounts for 0.1 to 5.0% of the total weight of the hydraulic fluid composition; the defoaming agent is one or two of tributyl phosphate and emulsified silicone oil, and the addition amount is 0.1-3.5%; the antirust agent is one or more of methanolamine, ethanolamine, diethanolamine and triethanolamine, and the addition amount is 2.0-6.0%; the preservative is one or more of caprylic acid, heptanoic acid, nonanoic acid, isononanoic acid, decanoic acid, benzotriazole, benzothiazole, tolyltriazole and octyl triazole, and the addition amount is 0.2-5.0%; the fixing component also comprises polyethylene glycol (PEG 600), the PEG600 has excellent lubricating property and thickening property, but has limited effect when being independently used as a thickening agent of a water-glycol system, the PEG6000DS can be used in cooperation to more effectively improve the viscosity of the water-glycol system, and the addition amount of the PEG600 is 2.0-5.0% of the total weight of the water-glycol flame-retardant hydraulic fluid.
The preparation method of the water glycol flame-retardant hydraulic fluid comprises the steps of preparing 10-20% of water solution from PEG6000 DS; weighing the residual amount of deionized water, heating to 20-45 ℃, sequentially adding the fixed components according to the addition amount from small to large, uniformly stirring, adding 10-20% of tackifier PEG6000DS aqueous solution and a tackifying synergist into the mixture, finally adding ethylene glycol according to the formula amount, uniformly stirring, and preparing the viscosity-serialized high extreme pressure wear-resistant antifriction water glycol flame-resistant hydraulic fluid.
The preparation method of the aqueous solution of PEG6000DS comprises weighing a certain amount of PEG6000DS, putting the weighed PEG6000DS into cold water, slowly heating the mixture to 70-75 ℃, and fully stirring and dissolving the mixture.
The invention has the beneficial effects that:
the invention adopts the idea of non-polyether tackifier for tackifying, and compounding with the tackifying synergist for further tackifying, selects the specific non-polyether tackifier and tackifying synergist, and overcomes the problems that when the addition amount of the polyether tackifier exceeds a certain amount, hydraulic liquid can generate floccule precipitates, so that the viscosity of the hydraulic liquid is changed and the viscosity is unstable. Meanwhile, the polyether type thickening agent is high in price, under the condition that the viscosity grade is guaranteed, the non-polyether type thickening agent is used for thickening, the adding amount of the non-polyether type thickening agent is controlled, and the cost is not increased. Finally, the water-glycol fire-resistant hydraulic fluid with the physical and chemical properties meeting the national standard, excellent tribological properties and series viscosity is prepared. By selecting the types and the adding amounts of the tackifier and the tackifying synergistic agent, in addition to obtaining 4 viscosity series contained in the national standard GB/T21449-2008, the invention also increases the water-glycol hydraulic fluid with the viscosity grade of 100, and the corresponding kinematic viscosity (40 ℃)/mm 2 The water-glycol flame-retardant hydraulic fluid has the advantages of being 100 (90.0-110.0) in the allowed error range, capable of being used as a substitute of mineral oil type hydraulic fluid products, and wide in viscosity series range, and the water-glycol flame-retardant hydraulic fluid is more widely applied. Through the synergistic effect of various additives, the flame-retardant hydraulic fluid with good extreme pressure, wear resistance and friction reduction performance is obtained. Meanwhile, the problem of low tribological performance of the low-viscosity grade hydraulic fluid is solved.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention. The various chemical reagents and chemical articles mentioned in the invention are all the chemical reagents and chemical articles which are well known and commonly used in the prior art, unless otherwise specified; the percentages in the present invention are all weight percentages unless otherwise specified.
The present invention is further illustrated in detail by the following examples:
example 1:
take 1000g of water-glycol fire-resistant hydraulic fluid as an example. Weighing 175g of deionized water, weighing 35g of polyethylene glycol distearate PEG6000DS (DM-638, the same shall apply hereinafter) and putting into the cold deionized water, slowly heating to 75 ℃, and fully stirring and dissolving to prepare a 20% polyethylene glycol distearate aqueous solution. Weighing 235g of deionized water, heating to 40 ℃, then sequentially adding 1g of methyl silicone oil, 10g of tributyl phosphate, 20g of octanoic acid and 50g of triethanolamine, uniformly stirring, then adding the prepared 20% polyethylene glycol distearate aqueous solution, 15g of coconut oil fatty acid diethanolamide (Maya Reagent, the same below) and 20g of sodium dodecyl benzene sulfonate, fully stirring, then adding 39g of PEG600 (a chemical plant of West Longgao, shandong, shanxi, the same below), finally adding 400g of ethylene glycol, uniformly stirring, and completely dissolving to prepare the viscosity-serialized high extreme pressure anti-wear and anti-friction water glycol flame-retardant hydraulic fluid.
Example 2:
take 1000g of water glycol fire-resistant hydraulic fluid as an example. Weighing 150g of deionized water, weighing 30g of polyethylene glycol distearate PEG6000DS, putting into the cold deionized water, slowly heating to 70 ℃, fully stirring and dissolving to prepare a 20% polyethylene glycol distearate aqueous solution. Weighing 260G of deionized water, heating to 40 ℃, then sequentially adding 1G of emulsified silicone oil, 2G of benzotriazole, 10G of triethanolamine oleate and 50G of triethanolamine, stirring uniformly, then adding the prepared 20% polyethylene glycol distearate aqueous solution, 50G of coconut oil fatty acid diethanolamide and 10G of glycerol polyoxyethylene ether (G-18, jiangsu province, haian petrochemical plant, the same below), stirring fully, then adding 27g of PEG600, finally adding 410G of ethylene glycol, stirring uniformly, and completely dissolving to prepare the viscosity-serialized high extreme pressure anti-wear antifriction water glycol anti-flaming hydraulic fluid.
Example 3:
take 1000g of water-glycol fire-resistant hydraulic fluid as an example. Weighing 200g of deionized water, weighing 40g of polyethylene glycol distearate PEG6000DS, putting into the cold deionized water, slowly heating to 75 ℃, fully stirring and dissolving to prepare a 20% polyethylene glycol distearate aqueous solution. Weighing 200G of deionized water, heating to 35 ℃, then sequentially adding 1G of methyl silicone oil, 5G of benzotriazole, 20G of caprylic acid and 60G of diethanolamine, stirring uniformly, then adding the prepared 20% polyethylene glycol distearate aqueous solution, 40G of coconut oil fatty acid diethanolamide and 20G of glycerol polyoxyethylene ether (G-18), stirring fully, then adding 24g of PEG600, finally adding 390G of ethylene glycol, stirring uniformly, and completely dissolving to prepare the viscosity-serialized high extreme pressure anti-wear antifriction water glycol flame-resistant hydraulic fluid.
Example 4:
take 1000g of water-glycol fire-resistant hydraulic fluid as an example. Weighing 250g of deionized water, weighing 50g of polyethylene glycol distearate PEG6000DS, putting into the cold deionized water, slowly heating to 70 ℃, fully stirring and dissolving to prepare a 20% polyethylene glycol distearate aqueous solution. Weighing 140g of deionized water, heating to 30 ℃, then sequentially adding 1g of methyl silicone oil, 10g of tributyl phosphate, 20g of caprylic acid and 50g of triethanolamine, uniformly stirring, then adding the prepared 20% polyethylene glycol distearate aqueous solution, 20g of coconut oil fatty acid diethanolamide and 30g of polypropylene glycol ether (PPG 400, shanghai such as chemical engineering and technology Co., ltd., the same below), fully stirring, then adding 39g of PEG600, finally adding 390g of ethylene glycol, and uniformly stirring to completely dissolve the mixture to prepare the viscosity-serialized high extreme pressure anti-wear antifriction water glycol flame-resistant hydraulic fluid.
Example 5:
take 1000g of water glycol fire-resistant hydraulic fluid as an example. Weighing 250g of deionized water, weighing 50g of polyethylene glycol distearate PEG6000DS, putting into the cold deionized water, slowly heating to 70 ℃, fully stirring and dissolving to prepare a 20% polyethylene glycol distearate aqueous solution. Weighing 140g of deionized water, heating to 30 ℃, then sequentially adding 1g of methyl silicone oil, 10g of tributyl phosphate, 20g of caprylic acid and 50g of triethanolamine, stirring uniformly, then adding the prepared 20% polyethylene glycol distearate aqueous solution, 30g of coconut oil fatty acid diethanolamide and 10g of sodium dodecyl benzene sulfonate, fully stirring, then adding 39g of PEG600, finally adding 400g of ethylene glycol, stirring uniformly, and completely dissolving to prepare the viscosity-serialized high extreme pressure anti-wear antifriction water glycol flame-resistant hydraulic fluid.
Example 6:
take 1000g of water-glycol fire-resistant hydraulic fluid as an example. Weighing 300g of deionized water, weighing 60g of polyethylene glycol distearate PEG6000DS, putting into the cold deionized water, slowly heating to 70 ℃, fully stirring and dissolving to prepare a 20% polyethylene glycol distearate aqueous solution. Weighing 90g of deionized water, heating to 20 ℃, then sequentially adding 1g of methyl silicone oil, 10g of tributyl phosphate, 20g of caprylic acid and 50g of triethanolamine, uniformly stirring, then adding the prepared 20% polyethylene glycol distearate aqueous solution, 10g of coconut oil fatty acid diethanolamide, 20g of polypropylene glycol ether and 10g of sodium dodecyl benzene sulfonate, fully stirring, then adding 39g of PEG600, finally adding 390g of ethylene glycol, uniformly stirring, and completely dissolving to prepare the viscosity-serialized high extreme pressure anti-friction and anti-wear performance water glycol flame-resistant hydraulic fluid.
Example 7:
take 1000g of water-glycol fire-resistant hydraulic fluid as an example. Weighing 300g of deionized water, weighing 60g of polyethylene glycol distearate PEG6000DS, putting into the cold deionized water, slowly heating to 70 ℃, fully stirring and dissolving to prepare a 20% polyethylene glycol distearate aqueous solution. 100g of deionized water is weighed, heated to 20 ℃, then sequentially added with 1g of methyl silicone oil, 10g of tributyl phosphate, 20g of caprylic acid and 50g of triethanolamine, stirred uniformly, then added with the prepared 20% polyethylene glycol distearate aqueous solution, 20g of coconut oil fatty acid diethanolamide and 10g of sodium dodecyl benzene sulfonate, stirred sufficiently, then added with 39g of PEG600, finally added with 390g of ethylene glycol, stirred uniformly, and completely dissolved to prepare the viscosity-series high extreme pressure anti-wear antifriction water glycol flame-resistant hydraulic fluid.
Comparative example 1:
the procedure is essentially the same as for the examples, except that a polyether tackifier is used. The specific method comprises the following steps: take 1000g of water glycol fire-resistant hydraulic fluid as an example. Firstly weighing 442g of deionized water, heating to 30 ℃, sequentially adding 1g of methyl silicone oil, 10g of tributyl phosphate, 20g of caprylic acid and 50g of triethanolamine, uniformly stirring, then heating the solution to 50 ℃, adding 80g of polyethylene glycol block ether F127 (average Mn 10000-12000 of Saien chemical technology, shanghai) Limited), fully stirring, then adding 39g of PEG600, finally adding 430g of ethylene glycol, and uniformly stirring to completely dissolve the mixture to prepare the water-glycol flame-resistant hydraulic fluid.
Comparative example 2:
the water-glycol fire-resistant hydraulic fluid is sold on the market under the national brand name No. 68.
The hydraulic fluid prepared in the above examples and comparative examples is tested, physical and chemical properties such as flash point, rust resistance and the like are tested according to national standards, friction coefficient and wear scar diameter are tested according to SH/T0189-1992, maximum non-seizing load value is tested according to GB/T3142-1982, the smaller the friction coefficient is, the larger the maximum non-seizing load value is, the smaller the wear scar diameter is, and the better extreme pressure wear resistance is, and the obtained results are shown in Table 1.
TABLE 1
The results of the above tests revealed; the general indexes of the 5 viscosity series water-glycol fire-resistant hydraulic fluid products all accord with the national standard GB/T21449-2008 of water-glycol hydraulic fluid. Compared with a control group, each viscosity series of the water-glycol hydraulic fluid has good wear resistance and friction reduction performance under various loads, particularly under high-load conditions. The antiwear, antifriction and lubricating performances of the hydraulic fluid are superior to those of the similar products and the water glycol fire-resistant hydraulic fluid with a brand known in the country. By selecting a thickener and a synergist thereof, a water-glycol type flame-retardant hydraulic fluid having a wide viscosity range and excellent lubricating performance in combination with viscosity and lubricating performance is obtained.
In conclusion, the hydraulic fluid has better performance and is worthy of popularization and application. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the subject matter of the invention is to be construed in all aspects and as broadly as possible, and all changes, equivalents and modifications that fall within the true spirit and scope of the invention are therefore intended to be embraced therein.
Claims (6)
1. A viscosity-serialized water-glycol flame-retardant hydraulic fluid is characterized in that the water-glycol flame-retardant hydraulic fluid is prepared from glycol, water, a tackifier, a tackifying synergist and a fixing component; wherein the weight percentage of each component is as follows:
38.0 to 45.0 percent of ethylene glycol,
38.0 to 45.0 percent of water,
5.0 to 8.0 percent of tackifier,
1.0 to 4.0 percent of tackifying synergist,
the balance of fixed components, and the sum of the weight percentages of the glycol, the water, the tackifier, the tackifying synergist and the fixed components is 100 percent;
the tackifier is a combination of polyethylene glycol distearate PEG6000DS and coconut oil fatty acid diethanolamide, and the tackifying synergist is one or more selected from glycerol polyoxyethylene ether G-18, polypropylene glycol ether PPG400 and sodium dodecyl benzene sulfonate SDBS; the fixing component comprises PEG600, an oiliness agent, a defoaming agent, an antirust agent and a preservative.
2. The viscosity-serialized water glycol fire-resistant hydraulic fluid as claimed in claim 1, wherein the components are in the following weight percentage:
38.0 to 45.0 percent of ethylene glycol,
38.0 to 45.0 percent of water,
5.0 to 8.0 percent of tackifier,
1.0 to 4.0 percent of tackifying synergist,
PEG600 2.0~5.0%，
0.1 to 5.0 percent of oiliness agent,
0.1 to 3.5 percent of defoaming agent,
2.0 to 6.0 percent of antirust agent,
0.2 to 5.0 percent of preservative;
and the sum of the weight percentages of the components is 100 percent.
3. The viscosity-serialized water glycol fire-retardant hydraulic fluid as claimed in claim 2, wherein the oiliness agent is selected from one or more of methyl silicone oil, triethanolamine oleate, diethanolamine oleate, triethanolamine stearate, and diethanolamine stearate; the defoaming agent is selected from one or two of tributyl phosphate and emulsified silicone oil; the antirust agent is selected from one or more of methanolamine, ethanolamine, diethanolamine and triethanolamine; the preservative is selected from one or more of caprylic acid, heptanoic acid, nonanoic acid, isononanoic acid, decanoic acid, benzotriazole, benzothiazole, tolyltriazole and octyl triazole.
4. The viscosity-serialized water glycol fire-resistant hydraulic fluid as claimed in claim 3, wherein the oiliness agent is selected from the group consisting of methyl silicone oil and triethanolamine oleate.
5. The method for preparing the water-glycol flame-retardant hydraulic fluid as claimed in claim 2, wherein the polyethylene glycol distearate is prepared into a 10 to 20% aqueous solution of polyethylene glycol distearate; weighing the residual amount of deionized water, heating to 20-45 ℃, sequentially adding the fixed components except the PEG600 according to the addition amount from small to large, uniformly stirring, adding the prepared 10-20% polyethylene glycol distearate aqueous solution, the residual tackifier, the tackifying synergist and the PEG600, finally adding the ethylene glycol according to the formula amount, and uniformly stirring to prepare the water-glycol flame-retardant hydraulic fluid.
6. The preparation method according to claim 5, wherein the aqueous solution of polyethylene glycol distearate with a concentration of 10 to 20% is prepared by: weighing polyethylene glycol distearate according to the formula ratio, putting into cold water, slowly heating to 70-75 ℃, and fully stirring and dissolving.
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