CN101831346A - Flame-retardant hydraulic oil and preparation and application thereof - Google Patents
Flame-retardant hydraulic oil and preparation and application thereof Download PDFInfo
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- CN101831346A CN101831346A CN 201010170514 CN201010170514A CN101831346A CN 101831346 A CN101831346 A CN 101831346A CN 201010170514 CN201010170514 CN 201010170514 CN 201010170514 A CN201010170514 A CN 201010170514A CN 101831346 A CN101831346 A CN 101831346A
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- fire resistant
- hydraulic fluid
- oil
- resistant hydraulic
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- 239000010720 hydraulic oil Substances 0.000 title abstract description 9
- 239000003063 flame retardant Substances 0.000 title abstract description 5
- 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 abstract 4
- 238000002360 preparation method Methods 0.000 title description 22
- 239000002253 acid Substances 0.000 claims abstract description 37
- 239000002199 base oil Substances 0.000 claims abstract description 25
- 150000002148 esters Chemical class 0.000 claims abstract description 19
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 16
- 239000000194 fatty acid Substances 0.000 claims abstract description 16
- 229930195729 fatty acid Natural products 0.000 claims abstract description 16
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 16
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims abstract description 15
- -1 neopentyl polyol Chemical class 0.000 claims abstract description 15
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920005862 polyol Polymers 0.000 claims abstract description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 5
- 230000009970 fire resistant effect Effects 0.000 claims description 57
- 239000012530 fluid Substances 0.000 claims description 55
- 230000003647 oxidation Effects 0.000 claims description 28
- 238000007254 oxidation reaction Methods 0.000 claims description 28
- 150000002632 lipids Chemical class 0.000 claims description 21
- 239000003112 inhibitor Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- GNVMUORYQLCPJZ-UHFFFAOYSA-M Thiocarbamate Chemical compound NC([S-])=O GNVMUORYQLCPJZ-UHFFFAOYSA-M 0.000 claims description 18
- 238000005886 esterification reaction Methods 0.000 claims description 14
- DJOWTWWHMWQATC-KYHIUUMWSA-N Karpoxanthin Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1(O)C(C)(C)CC(O)CC1(C)O)C=CC=C(/C)C=CC2=C(C)CC(O)CC2(C)C DJOWTWWHMWQATC-KYHIUUMWSA-N 0.000 claims description 13
- 230000032050 esterification Effects 0.000 claims description 13
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 13
- WJUMWVJBOZKPPU-UHFFFAOYSA-N 2,3-bis(6-methylheptyl)-N-phenylaniline Chemical compound C(CCCCC(C)C)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCC(C)C WJUMWVJBOZKPPU-UHFFFAOYSA-N 0.000 claims description 12
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 claims description 11
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 11
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical class CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 claims description 9
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 8
- 239000007866 anti-wear additive Substances 0.000 claims description 8
- 239000012964 benzotriazole Substances 0.000 claims description 8
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 6
- 239000013530 defoamer Substances 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 6
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 claims description 4
- JFCQEDHGNNZCLN-UHFFFAOYSA-N glutaric acid Chemical compound OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 claims description 4
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 claims description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 claims description 4
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 claims description 4
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 2
- 239000008158 vegetable oil Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 30
- 230000008901 benefit Effects 0.000 abstract description 8
- 230000003078 antioxidant effect Effects 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 239000003963 antioxidant agent Substances 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 3
- 239000011707 mineral Substances 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 235000019198 oils Nutrition 0.000 description 29
- 239000000047 product Substances 0.000 description 15
- 239000002994 raw material Substances 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000008676 import Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 230000003254 anti-foaming effect Effects 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000002480 mineral oil Substances 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- SKDGWNHUETZZCS-UHFFFAOYSA-N 2,3-ditert-butylphenol Chemical class CC(C)(C)C1=CC=CC(O)=C1C(C)(C)C SKDGWNHUETZZCS-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 150000007520 diprotic acids Chemical class 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000010773 plant oil Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- AEDZKIACDBYJLQ-UHFFFAOYSA-N ethane-1,2-diol;hydrate Chemical compound O.OCCO AEDZKIACDBYJLQ-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Lubricants (AREA)
Abstract
The invention provides flame-retardant hydraulic oil, which comprises the following components in percentage by weight: 1.9 to 4.5 percent of antioxidant, 1.5 to 3.5 percent of extreme-pressure abrasion resistant agent, 5 to 50ppm of antifoaming agent, 0.1 to 0.4 percent of anti-rusting agent and 92 to 97 percent of base oil, wherein the base oil is neopentyl polyol diacid composite ester which is prepared by fully esterifying carboxyl of aliphatic dibasic acid of C5-12 with mixed alcohol consisting of neopentyl glycol, trimethylolpropane and pentaerythritol and terminating the esterified product with unsaturated unitary fatty acid of C14-20. The flame-retardant hydraulic oil provided by the invention can be applied to various high-temperature and high-pressure hydraulic systems easy to contact naked flame. Compared with mineral-based (compressor) hydraulic oil, the flame-retardant hydraulic oil has the advantages of energy conservation, reduced oil consumption, reduced environmental pollution and prolonged service life, and can fully meet the working requirements of the high-temperature and high-pressure hydraulic systems easy to contact naked flame.
Description
Technical field
The present invention relates to a kind of fire resistant hydraulic fluid and preparation thereof and application, belong to the industrial lubricant technical field.
Background technology
Hydraulic machinery has been widely used in industries such as iron and steel, electric power, coal and machinery.Hydraulic efficiency oil as dynamic medium is the critical material of hydraulic transmission technology, also is one of three kinds of important oil products of industrial lubrication oil consumption maximum.Along with the continuous development of modern hydraulic technology, the hydraulic efficiency system that has usually is under high pressure, the hot conditions works.Employed hydraulic efficiency oil has been proposed the more harsh requirement of non-flame properties.Before the seventies in 20th century, various countries are devoted to develop water type emulsion (W/O and O/W type), water-ethylene glycol type and water-free phosphate type, hydrochloric ether type fire resistant hydraulic oil.But the applying pressure of water type anti-flame hydraulic fluid generally is lower than 10Mpa, and poor lubricity, can not satisfy the long lifetime service requirements of hydraulic efficiency system under high temperature, the condition of high voltage.Water-free phosphoric acid ester and hydrochloric ether fire resistant hydraulic oil are owing to be subjected to the restriction of the factors such as environmental requirement of material adaptability, toxicity, price and increasingly stringent, and use range will more and more be subjected to stricter restriction.Along with the progress and the development of science and technology of society, economize on resources and environment protection has become the two big problems that countries in the world realize that Sustainable development faces.Energy-conservation, to reduce discharging, reduce environmental pollution be the direction and the power of industrial sustainable development.A new generation's ester type fire resistant hydraulic oil adopts ester compound to make base oil, have high flash point, high burning-point, low vaporization losses, high viscosity index (HVI), excellent lubricating property, nontoxic, biodegradable and good material adaptability and main raw material from reproducible animal-plant oil through advantages such as chemical process form, be a kind of " green science and technology product " of compliance with environmental protection requirements.
Because the Working environment of fire resistant hydraulic fluid is extremely harsh, therefore the performance requriements to lubricating oil is quite comprehensive and strict.Mainly show as:
(1) sticking warm nature: the working point of hydraulic efficiency system is under the high-temperature and high-pressure conditions for a long time, and this just requires fire resistant hydraulic fluid to have good viscosity temperature characteristic, high viscosity index (HVI), can use in wide temperature range;
(2) non-flame properties: the working point of hydraulic efficiency system is under the high-temperature and high-pressure conditions for a long time, and contact with naked light easily, this safe handling to oil product is a test greatly, this just requires the non-flame properties of fire resistant hydraulic fluid to get well, it is high that the flash-point burning-point of oil product is wanted, and volatility is low; Mineral hydraulic efficiency oil and general synthetic hydraulic fluid are difficult to reach;
(3) High Temperature High Pressure oxidation-resistance: hydraulic efficiency system is worked under high-temperature and high-pressure conditions for a long time, and temperature is that oil product causes the principal element that oxidizing reaction is accelerated, and measures to show 10 ℃ of the every risings of temperature, and oxidation rate increases by 2～4 times.Equally, oxygen partial pressure increases with compressed-air actuated pressure and improves, the oxygenizement of hydraulic efficiency oil and the increase of oxygen partial pressure and accelerate, and this just requires hydraulic efficiency oil to have good antioxidant property;
(4) environmental protection:, more and more stricter, energy-conservation to environmental protection requirement, to reduce discharging, reduce environmental pollution be the direction and the power of industrial sustainable development along with the progress of the development of society and science and technology; For the hydraulic efficiency oil that accounts for very big composition in the lubricating oil, biological degradation, nontoxicity, free from environmental pollution, compliance with environmental protection requirements also are the trend that develops in the future;
(5) long lifetime work: synthetic main advantage of fire resistant hydraulic fluid is to adopt novel synthesizing ester oil as base oil, has realized long lifetime work; Generally can reach 3 years at present, and safe and reliable, so work long hours, hydraulic efficiency oil stands severe condition such as heating, cooling repeatedly, plays effects such as lubricated, cooling, antirust and sealing, and general hydraulic efficiency oil is difficult to reach.
Summary of the invention
The object of the present invention is to provide a kind of environment-friendly fire-retardant hydraulic efficiency oil, hydraulic efficiency system satisfies the needs that association area develops with the above-mentioned technical problem that oil exists under the present high-temperature and high-pressure conditions to overcome.
It is lower and be easy to realize the preparation method of industrialized above-mentioned fire resistant hydraulic fluid to the present invention also aims to disclose a kind of preparation cost, and above-mentioned fire resistant hydraulic fluid is in hydraulic efficiency system, particularly easily contacts application in the hydraulic efficiency installation under the naked light condition in High Temperature High Pressure.
The present invention solves above technical problem by the following technical solutions:
The present invention also provides a kind of fire resistant hydraulic fluid, comprises following components in weight percentage:
Oxidation inhibitor 1.9～4.5%;
Extreme pressure anti-wear additives 1.5～3.5%;
Defoamer 5～50ppm;
Rust-preventive agent 0.1～0.4%;
Base oil 92～97%;
Wherein, described base oil is the multiple ester of amyl-based polyol diprotic acid, and the multiple ester of described amyl-based polyol diprotic acid is with C by earlier
5～12The complete esterification of alcohol mixture formed with neopentyl glycol, TriMethylolPropane(TMP) and new penta tetrol of the carboxyl of binary lipid acid after, use C again
14～20Unsaturated unary fatty acid end-blocking and make.
In the above-mentioned base oil, in the described alcohol mixture, the molar percentage of described neopentyl glycol, TriMethylolPropane(TMP), new penta tetrol is as follows:
Neopentyl glycol: 20～30%;
TriMethylolPropane(TMP): 50～60%;
New penta tetrol: 10～30%.
Preferably, in the described alcohol mixture, the molar percentage of described neopentyl glycol, TriMethylolPropane(TMP), new penta tetrol is as follows:
Neopentyl glycol: 20～25%
TriMethylolPropane(TMP): 50～60%
New penta tetrol: 20～25%
Preferable, described C
5～12Binary lipid acid be two kinds of C
5～12The mixing of straight chain binary lipid acid, described two kinds of C
5～ 12The mol ratio 1: 1～1: 4 of straight chain binary lipid acid.Preferably, described C
5～12Binary lipid acid be two kinds of C
6～10The mixing of straight chain binary lipid acid, described two kinds of C
6～10The mol ratio of straight chain binary lipid acid be 1: 1～1: 2
Described straight chain binary lipid acid can be selected from pentanedioic acid, hexanodioic acid, pimelic acid, suberic acid, nonane diacid, sebacic acid, undecane diacid or dodecanedioic acid.
Preferable, described C
14～20Unsaturated unary fatty acid be selected from vegetable oil acid or hexadecylenic acid.
In the above-mentioned base oil, described with C
5～12The complete esterification of alcohol mixture formed with neopentyl glycol, TriMethylolPropane(TMP) and new penta tetrol of the carboxyl of binary lipid acid, being meant needs to guarantee that the carboxyl of described binary lipid acid is by esterification fully.Can pass through the integral molar quantity and the described C of the alcohol mixture of the described neopentyl glycol of control, TriMethylolPropane(TMP) and new penta tetrol composition
5～12The ratio of molar weight of binary fatty acid esterification reaction be to realize that the error about 1% can be arranged between the two in about 2: 1.
The described C that uses
14～20Unsaturated unary fatty acid end-blocking be meant, after described neopentyl glycol, TriMethylolPropane(TMP) and new penta tetrol and the described binary lipid acid generation esterification polyreaction, the whole hydroxyls that have more again with C
14～20Unary fatty acid carry out the esterification end-blocking.The final multiple ester of the amyl-based polyol diprotic acid that comprises DOPCP, TriMethylolPropane(TMP) alcohol ester and new Doutrate that forms, the structural formula that comprises is as follows:
[C
nH
2n+1COOC
5H
10COO]
2C
mH
2m?????n＝13～19，m＝3～10；
{[C
nH
2n+1COO]
2C
6H
11COO}
2C
mH
2m??n＝13～19，m＝3～10；
{[C
nH
2n+1COO]
3C
5H
8COO}
2C
mH
2m???n＝13～19，m＝3～10。
The present invention also provides the preparation method of base oil described in a kind of above-mentioned fire resistant hydraulic fluid, may further comprise the steps:
1) makes C
5～12The alcohol mixture formed of binary lipid acid and neopentyl glycol, TriMethylolPropane(TMP) and new penta tetrol, esterification takes place under the katalysis of catalyzer;
2) after reaction was finished described in the step 1, adding molar weight was described C
5～12At least 4 times C of binary lipid acid molar weight
14～20Unary fatty acid mixing esterification, obtain reaction product;
3) remove unreacted excess fatty acids and the described catalyzer of step 1 in the products therefrom in the step 2, obtain the multiple ester of described amyl-based polyol diprotic acid.
In the step 1), described catalyzer is zirconic acid four monooctyl esters and tosic acid, and wherein, the molar weight of described zirconic acid four monooctyl esters is described C
5～12Binary lipid acid integral molar quantity 0.95～1.05%, the molar weight of described tosic acid is described C
5～12Binary lipid acid integral molar quantity 1.9～2.1%; The temperature of described esterification is 160～180 ℃, and the reaction times is 140～180 minutes.
Step 2) in, the temperature of reaction is 200～220 ℃, and the reaction times is 100～120 minutes; Described C
14～20The integral molar quantity of unary fatty acid need in the more described alcohol mixture not with the integral molar quantity of the hydroxyl of described binary fatty acid response more excessive so that the second step esterification is complete.
In the step 3), remove described unreacted excess fatty acids by the mode of underpressure distillation.According to the character of selected lipid acid, those skilled in the art can determine the condition of described underpressure distillation, distills under in 200 ℃, the vacuum condition of 3.2Kpa.
In the step 3), remove described catalyzer by the mode of alkali cleaning and washing.The method of this alkali cleaning and washing is known by those skilled in the art, as: the water-soluble neutralization of yellow soda ash of reaction product elder generation adding 3～5% can be washed then.After catalyzer is removed, after dehydration, filtration treatment, can obtain the multiple ester of the amyl-based polyol diprotic acid described in the present invention again.
The preparation method of above-mentioned base oil provided by the present invention has the advantage that processing condition are simple, preparation cost is lower and be easy to realize aspects such as industrialization.
In the above-mentioned fire resistant hydraulic fluid provided by the present invention, the adding of described oxidation inhibitor, extreme pressure anti-wear additives, defoamer and rust-preventive agent is in order to satisfy all round properties requirement of hydraulic efficiency installation under the high temperature and high pressure environment, as satisfies the lubricity, high-temperature thermal oxidation stability, anti-foaming properties, corrosion resistance of oil product under the long term operation etc.
Preferably, described fire resistant hydraulic fluid comprises following components in weight percentage:
Oxidation inhibitor 2.4～3.9%;
Extreme pressure anti-wear additives 2.3～2.6%;
Defoamer 10～30ppm;
Rust-preventive agent 0.1～0.2%;
Base oil 93.9～94.5%.
Fire resistant hydraulic fluid is in work, and the temperature of working point is generally 80～90 ℃, and local temperature may be higher.The easier deterioration by oxidation of oil product under hot conditions generates acidic substance, and the parts generation corrosion to hydraulic efficiency installation influences the normal operation of hydraulic efficiency installation; Viscosity can increase after the simultaneous oxidation, and this also can influence the operating accuracy of hydraulic efficiency installation and increase energy consumption.In order to prolong the work-ing life of hydraulic efficiency installation, slow down the deterioration by oxidation of oil product, need to add various oxidation inhibitor.In addition, the also necessary Research on synergistic effect of paying attention between oxidation inhibitor, primary antioxidant and the antioxygen auxiliary agent.Through lot of experiments, the present invention selects by di-iso-octyldiphenylamine, phenyl-a-naphthylamine, 2, the composite oxidation inhibitor that forms of 6 DI-tert-butylphenol compounds and thiocarbamate, reach the performance advantage complementation of various antioxidants, improved the long term high temperature anti-oxidative stability of fire resistant hydraulic fluid greatly.
Preferable, described oxidation inhibitor comprises di-iso-octyldiphenylamine, phenyl-a-naphthylamine, 2,6 DI-tert-butylphenol compounds and thiocarbamate, the proportioning of each component is as follows:
Di-iso-octyldiphenylamine 4～10 weight parts;
Phenyl-a-naphthylamine 4～10 weight parts;
2,6 DI-tert-butylphenol compounds, 5～10 weight parts;
Thiocarbamate 6～15 weight parts.
Preferably, the proportioning of each component is as follows in the described oxidation inhibitor:
Di-iso-octyldiphenylamine 5～8 weight parts;
Phenyl-a-naphthylamine 5～8 weight parts;
2,6 DI-tert-butylphenol compounds, 6～9 weight parts;
Thiocarbamate 8～14 weight parts.
Above-mentioned oxidation inhibitor provided by the present invention can be about to each raw material and mix by conventional physical mixed method preparation, and stirring gets final product.
Above-mentioned oxidation inhibitor provided by the present invention, also can be used with the lubricating oil or the grease base plinth oil phase of routine, the base oil of described routine as, mineral oil, high-precision (refining) mineral oil, alkylation mineral oil, poly-alpha olefins, polyethers synthetic oil, alkylbenzene oil, biodegradable ester class wet goods.Among the present invention, preferably with the present invention in above-mentioned base oil (the amyl-based polyol diprotic acid multiple ester) use that matches that provided, be higher than 80 ℃ fire resistant hydraulic fluid as working point temperature in the hydraulic efficiency system.
Preferable, described extreme pressure anti-wear additives is tritolyl phosphate and thiophosphatephosphorothioate.Better, described tritolyl phosphate accounts for 2～4 weight parts, and described thiophosphatephosphorothioate accounts for 1～3 weight part.
Described defoamer is a methyl-silicone oil.
Described rust-preventive agent is benzotriazole and benzotriazole derivative.Preferable, described benzotriazole accounts for 1～4 weight part, and described benzotriazole derivative accounts for 1～4 weight part.
Described benzotriazole derivative is home-made additive T551.
Above-mentioned fire resistant hydraulic fluid provided by the present invention can promptly according to the proportioning of described fire resistant hydraulic fluid, mix each raw material by conventional physical mixed method preparation, stirs and can obtain.
Above-mentioned fire resistant hydraulic fluid provided by the present invention, at first by adopting the base oil of base oil of the present invention (the multiple ester of amyl-based polyol diprotic acid) as environmentally friendly synthetic fire resistant hydraulic fluid, satisfied the non-flame properties of hydraulic efficiency system under the High Temperature High Pressure, the job requirement of sticking warm nature, can reach biodegradable environmental requirement, biological degradation rate＞95%; Secondly,, reach various antioxidant properties and have complementary advantages, improved the long term high temperature anti-oxidative stability of fire resistant hydraulic fluid greatly by selecting the composite collaborative of several oxidation inhibitor; At last, by selecting the optimum combination of extreme pressure anti-wear additives, rust-preventive agent, kilfoam, make environmentally friendly synthetic fire resistant hydraulic fluid of the present invention have the excellent comprehensive performance.
Evidence, environmentally friendly synthetic fire resistant hydraulic fluid of the present invention can further improve high temperature antioxygen that improves oil product and the lubricated abrasion resistance that improves oil product and increase the service life; Have high flash point, high burning-point, low vaporization losses, high viscosity index (HVI), excellent lubricating property, nontoxic, biodegradable and good material adaptability and main raw material from reproducible animal-plant oil through performances such as chemical process form.
Above-mentioned fire resistant hydraulic fluid provided by the present invention has excellent viscosity temperature characteristic, high-temperature oxidation resistant stability, non-flame properties, lubricity, rust-preventing characteristic, anti-bubble property, easily contact applicable to various High Temperature High Pressure in the hydraulic efficiency system of naked light, as continuous casting and rolling hydraulic efficiency system, desulfurizing iron system and the RH vacuum oven equipment of Steel Plant.Described high-temperature and high-pressure conditions typically refers to temperature and is higher than 80 ℃, and pressure is higher than the occasion of 20MPa.Compare with mineral base (compressor) hydraulic efficiency oil: have energy-conservation, as to reduce oil consumption, minimizing environmental pollution and increase the service life (more than 3 times) advantage, can satisfy the job requirement that High Temperature High Pressure easily contacts the hydraulic efficiency system of naked light fully.
Embodiment
Further set forth the present invention below in conjunction with embodiment.Should be understood that these embodiment only are used to illustrate the present invention, but not limit the scope of the invention.The reagent of the experimental technique of unreceipted actual conditions and undeclared prescription is according to the condition of normal condition or manufacturers suggestion and carries out or dispose in the following example.
The preparation of embodiment 1 base oil
Preparation process is as follows:
1, selecting carbon number for use is 5～12 diprotic acid, add amount of substance and be the alcohol mixture of forming by neopentyl glycol, TriMethylolPropane(TMP) and new penta tetrol of 2 times of this diprotic acid, add again amount of substance for the tosic acid of zirconic acid four monooctyl esters of this mixed dibasic acid 0.95～1.05% and 1.9～2.1% as catalyzer, stirring reaction is 140～180 minutes under 160～180 ℃ temperature, finishes the first step esterification.
2, adding amount of substance is that the carbon number of mixed dibasic acid more than 4 times is 14 to 20 unary fatty acid, (it is more excessive that unary fatty acid is wanted, so that the second step esterification is complete), stirring reaction is 100～120 minutes under 200～220 ℃ temperature, finishes the second step esterification.
3, with reaction product at 200 ℃, carry out underpressure distillation under the condition of 3.2Kpa, can remove unreacted excess fatty acids.
4, reaction product is cooled to 60 ℃ and puts into the alkali cleaning still, add 3～5% water-soluble neutralization of yellow soda ash earlier, can remove catalyzer and part unreacted reactant; Washing then, also is in order to remove the residual and catalyzer after the alkali cleaning.
5, under vacuum condition, dehydrate, filter and promptly get the multiple ester of desired amyl-based polyol diprotic acid.
Each raw material and consumption are as shown in table 1:
Table 1
Annotate: the data in the table 1 are all represented the mole proportion relation of each stock yard.
Every performance of the multiple ester of amyl-based polyol diprotic acid that employing above-mentioned raw materials proportioning and preparation method are obtained is as shown in table 2:
Table 2
* Comparative Examples is Uniflex 212 base oils of Arizona chemical company.
The preparation of embodiment 2 oxidation inhibitor
Press the weight part formulated oxidation inhibitor in the table 3.
Compound method: raw material mixed by proportioning get final product.
Table 3
| ??1# | ??2# | ??3# | ??4# | |
| Di-iso-octyldiphenylamine (weight part) | ??5 | ??8 | ??4 | ??10 |
| Phenyl-a-naphthylamine (weight part) | ??5 | ??8 | ??4 | ??10 |
| 2,6 DI-tert-butylphenol compounds (weight part) | ??9 | ??6 | ??10 | ??5 |
| Thiocarbamate (weight part) | ??14 | ??8 | ??15 | ??6 |
The structural formula of table 3 thiocarbamate is (C
4H
9)
2NCS
2CS
2CN (C
4H
9)
2
The performance of embodiment 3 oxidation inhibitor
4# prescription base oil among the employing embodiment 1 and the various oxidation inhibitor in the following table mix, and wherein said base oil accounts for 98wt%, and the total amount of oxidation inhibitor accounts for 2wt%.Each raw material is mixed by proportioning, stir.
Table 4
Annotate: the total amount of oxidation inhibitor is 2.0%; Wherein, the structural formula of thiocarbamate is (C
4H
9)
2NCS
2CS
2CN (C
4H
9)
2
Data as can be seen from table 4, the present invention selects by di-iso-octyldiphenylamine, phenyl-a-naphthylamine, 2, the composite oxidation inhibitor that forms of 6 DI-tert-butylphenol compounds and thiocarbamate, reach the performance advantage complementation of various antioxidants, improved the long term high temperature anti-oxidative stability of oil product greatly.
The preparation of embodiment 4 environmentally friendly synthetic fire resistant hydraulic fluids
By following weight percent preparation raw material, mix, can obtain environmentally friendly synthetic fire resistant hydraulic fluid.
Di-iso-octyldiphenylamine 0.5%
Phenyl-a-naphthylamine 0.5%
2,6 DI-tert-butylphenol compounds 0.9%
Thiocarbamate 1.4%
Tritolyl phosphate 1.8%
Thiophosphatephosphorothioate 0.8%
Methyl-silicone oil 10ppm
Benzotriazole 0.14%
Benzotriazole derivative (T551) 0.06%
1# prescription base oil 93.9% among the embodiment 1
The structural formula of described thiocarbamate is (C
4H
9)
2NCS
2CS
2CN (C
4H
9)
2
Environmentally friendly synthetic fire resistant hydraulic fluid to present embodiment detects, and the result is as follows:
Table 5
| Project | Technical indicator | Measured data | Test method |
| 40 ℃ of mm of kinematic viscosity 2/s??100℃???mm 2/s | ??68 #??68±6.8 | ??62.16??11.86 | ??GB/T265 |
| Viscosity index | ??≥180 | ??191 | ??GB/T2541 |
| Flash-point (opening) ℃ | ??≥260 | ??296 | ??GB/T3536 |
| Burning-point ℃ | ??≥310 | ??334 | ??GB/T3536 |
| Pour point ℃ | ??≤-20 | ??-30 | ??GB/T3535 |
| Moisture % | ≤ vestige | Do not have | ??GB/T?260 |
| Acid number mgKOH/g | ??≤2.6 | ??0.22 | ??GB/T?264 |
| Copper corrosion (100 ℃ * 3h) level | ??≤1 | ??1a | ??GB/T5096 |
| 24 ℃, 93 ℃, back 24 ℃ of foaming properties ml/ml | ??≤??100/0?100/0?100/0 | ??5/0?15/0?5/0 | ??GB/T12579 |
| 54 ℃ of min of demulsification performance (40-37-3) | ??≤30 | ??13 | ??GB/T?7305 |
| Mechanical impurity % | Do not have | Do not have | ??GB/T?511 |
| Oxidation stability min | Actual measurement | ??936 | ??SH/T?0193 |
The performance of the fire resistant hydraulic fluid that present embodiment obtained and the like product of import (Quintolubric 888) compares: pour point is low, flash-point burning-point height, and excellent demulsification performance, anti-foaming properties excellence, the extreme pressure anti-wear excellence the results are shown in Table 6.
Table 6
The fire resistant hydraulic fluid that present embodiment obtained is on probation on the RH of steelworks vacuum oven, through nearly 5 years use, should synthesize the normal working performance requirement that (ester type) fire resistant hydraulic fluid can satisfy equipment, every index is all normal, has substituted original import fire resistant hydraulic oil (table 7 is the analytical results of uninterrupted sampling over 5 years) fully.
The practical application of table 7 fire resistant hydraulic fluid (I)
The preparation of embodiment 5 environmentally friendly synthetic fire resistant hydraulic fluids
By following weight percent preparation raw material, mix, can obtain environmentally friendly synthetic fire resistant hydraulic fluid.
Di-iso-octyldiphenylamine 0.8%
Phenyl-a-naphthylamine 0.8%
2,6 DI-tert-butylphenol compounds 0.6%
Thiocarbamate 0.8%
Tritolyl phosphate 1.1%
Thiophosphatephosphorothioate 1.2%
Methyl-silicone oil 30ppm
Benzotriazole 0.08%
Benzotriazole derivative (T551) 0.12%
2# prescription base oil 94.5% among the embodiment 1
The structural formula of described thiocarbamate is (C
4H
9)
2NCS
2CS
2CN (C
4H
9)
2
Above-mentioned environmentally friendly synthetic fire resistant hydraulic fluid is detected result such as table 8.
Table 8
| Project | Technical indicator | Measured data | Test method |
| 40 ℃ of mm of kinematic viscosity 2/s??100℃???mm 2/s | ??68#??68±6.8 | ??62.64??12.08 | ??GB/T265 |
| Viscosity index | ??≥180 | ??194 | ??GB/T2541 |
| Flash-point (opening) ℃ | ??≥260 | ??300 | ??GB/T3536 |
| Burning-point ℃ | ??≥310 | ??332 | ??GB/T3536 |
| Pour point ℃ | ??≤-20 | ??-30 | ??GB/T3535 |
| Moisture % | ≤ vestige | Do not have | ??GB/T?260 |
| Acid number mgKOH/g | ??≤2.6 | ??0.30 | ??GB/T?264 |
| Copper corrosion (100 ℃ * 3h) level | ??≤1 | ??1a | ??GB/T5096 |
| 24 ℃, 93.5 ℃, back 24 ℃ of foaming properties ml/ml | ??≤??100/0?100/0?100/0 | ??10/0?20/0?10/0 | ??GB/T12579 |
| 54 ℃ of min of demulsification performance (40-37-3) | ??≤30 | ??8 | ??GB/T?7305 |
| Mechanical impurity % | Do not have | Do not have | ??GB/T?511 |
| Oxidation stability min | Actual measurement | ??984 | ??SH/T?0193 |
The performance of the fire resistant hydraulic fluid that present embodiment obtained and the like product of import (Quintolubric 888) compares: pour point is low, flash-point burning-point height, and excellent demulsification performance, anti-foaming properties excellence, the extreme pressure anti-wear excellence the results are shown in Table 9.
Table 9
The fire resistant hydraulic fluid that present embodiment obtained is substituted import oil product of the same type on import equipment continuous casting and rolling hydraulic efficiency system, bring into use,, satisfy the normal working performance requirement of equipment equally, obtained satisfied effect through many uses half a year.Afterwards, in the enterprising enforcement usefulness of the desulfurizing iron system of steelworks, through the use in 1 year, the normal working performance that satisfies equipment fully required (table 10 is for using the analytical results of sampling behind half a year/one year) with this fire resistant hydraulic fluid
The practical application of table 10 fire resistant hydraulic fluid (II)
Use by three systems each 5 years, a year and half a year, to seeing carrying out conventional physics and chemistry detected result with oil sample, all test items change little, promptly still meet the standard-required that dispatches from the factory through the oil sample that works long hours, show synthetic (ester type) fire resistant hydraulic fluid steady quality of the present invention, dependable performance, and continue the potentiality that increase the service life in addition.
The preparation of embodiment 6 environmentally friendly synthetic fire resistant hydraulic fluids
By following weight percent preparation raw material, mix, can obtain environmentally friendly synthetic fire resistant hydraulic fluid.
Di-iso-octyldiphenylamine 0.7%
Phenyl-a-naphthylamine 0.7%
2,6 DI-tert-butylphenol compounds 1.3%
Thiocarbamate 1.8%
Tritolyl phosphate 2.3%
Thiophosphatephosphorothioate 1.1%
Methyl-silicone oil 50ppm
Benzotriazole 0.02%
Benzotriazole derivative (T551) 0.08%
2# prescription base oil 92% among the embodiment 1
The structural formula of described thiocarbamate is (C
4H
9)
2NCS
2CS
2CN (C
4H
9)
2
Above-mentioned environmentally friendly synthetic fire resistant hydraulic fluid is detected result such as table 11.
Table 11
| Project | Technical indicator | Measured data | Test method |
| 40 ℃ of mm of kinematic viscosity 2/s??100℃mm 2/s | ??68#??68±6.8 | ??64.45??12.74 | ??GB/T265 |
| Viscosity index | ??≥180 | ??202 | ??GB/T2541 |
| Flash-point (opening) ℃ | ??≥260 | ??310 | ??GB/T3536 |
| Burning-point ℃ | ??≥310 | ??338 | ??GB/T3536 |
| Pour point ℃ | ??≤-20 | ??-36 | ??GB/T3535 |
| Moisture % | ≤ vestige | Do not have | ??GB/T?260 |
| Acid number mgKOH/g | ??≤2.6 | ??0.16 | ??GB/T?264 |
| Copper corrosion (100 ℃ * 3h) level | ??≤1 | ??1a | ??GB/T5096 |
| 24 ℃, 93 ℃, back 24 ℃ of foaming properties ml/ml | ??≤??100/0?100/0??100/0 | ??5/0??10/0??10/0 | ??GB/T12579 |
| 54 ℃ of min of demulsification performance (40-37-3) | ??≤30 | ??8 | ??GB/T?7305 |
| Mechanical impurity % | Do not have | Do not have | ??GB/T?511 |
The preparation of embodiment 7 environmentally friendly synthetic fire resistant hydraulic fluids
By following weight percent preparation raw material, mix, can obtain environmentally friendly synthetic fire resistant hydraulic fluid.
Di-iso-octyldiphenylamine 0.7%
Phenyl-a-naphthylamine 0.7%
2,6 DI-tert-butylphenol compounds 0.2%
Thiocarbamate 0.3%
Tritolyl phosphate 0.5%
Thiophosphatephosphorothioate 1.0%
Methyl-silicone oil 5ppm
Benzotriazole 0.32%
Benzotriazole derivative (T551) 0.08%
2# prescription base oil 96.2% among the embodiment 1.
The structural formula of described thiocarbamate is (C
4H
9)
2NCS
2CS
2CN (C
4H
9)
2
Above-mentioned environmentally friendly synthetic fire resistant hydraulic fluid is detected result such as table 12.
Table 12
| Project | Technical indicator | Measured data | Test method |
| 40 ℃ of mm of kinematic viscosity 2/s??100℃????mm 2/s | ??68#??68±6.8 | ??63.74??12.48 | ??GB/T265 |
| Viscosity index | ??≥180 | ??199 | ??GB/T2541 |
| Flash-point (opening) ℃ | ??≥260 | ??310 | ??GB/T3536 |
| Burning-point ℃ | ??≥310 | ??338 | ??GB/T3536 |
| Pour point ℃ | ??≤-20 | ??-33 | ??GB/T3535 |
| Moisture % | ≤ vestige | Do not have | ??GB/T?260 |
| Acid number mgKOH/g | ??≤2.6 | ??0.15 | ??GB/T?264 |
| Copper corrosion (100 ℃ * 3h) level | ??≤1 | ??1a | ??GB/T5096 |
| 24 ℃, 93 ℃, back 24 ℃ of foaming properties ml/ml | ??≤??100/0?100/0??100/0 | ??0/0??10/0??5/0 | ??GB/T12579 |
| 54 ℃ of min of demulsification performance (40-37-3) | ??≤30 | ??9 | ??GB/T?7305 |
| Mechanical impurity % | Do not have | Do not have | ??GB/T?511 |
Claims (10)
1. fire resistant hydraulic fluid comprises following components in weight percentage:
Oxidation inhibitor 1.9～4.5%;
Extreme pressure anti-wear additives 1.5～3.5%;
Defoamer 5～50ppm;
Rust-preventive agent 0.1～0.4%;
Base oil 92～97%;
Wherein, described base oil is the multiple ester of amyl-based polyol diprotic acid, and the multiple ester of described amyl-based polyol diprotic acid is with C by earlier
5～12The complete esterification of alcohol mixture formed with neopentyl glycol, TriMethylolPropane(TMP) and new penta tetrol of the carboxyl of binary lipid acid after, use C again
14～20Unsaturated unary fatty acid end-blocking and make.
2. fire resistant hydraulic fluid as claimed in claim 1 is characterized in that, in the described alcohol mixture, the molar percentage of described neopentyl glycol, TriMethylolPropane(TMP), new penta tetrol is as follows:
Neopentyl glycol: 20～30%;
TriMethylolPropane(TMP): 50～60%;
New penta tetrol: 10～30%.
3. fire resistant hydraulic fluid as claimed in claim 1 or 2 is characterized in that, described C
5～12Binary lipid acid be two kinds of C
5～ 12The mixing of straight chain binary lipid acid, described two kinds of C
5～12The mol ratio of straight chain binary lipid acid be 1: 1～1: 4.
4. fire resistant hydraulic fluid as claimed in claim 3 is characterized in that, described straight chain binary lipid acid is selected from pentanedioic acid, hexanodioic acid, pimelic acid, suberic acid, nonane diacid, sebacic acid, undecane diacid and dodecanedioic acid.
5. fire resistant hydraulic fluid as claimed in claim 1 or 2 is characterized in that, described C
14～20Unsaturated unary fatty acid be selected from vegetable oil acid or hexadecylenic acid.
6. fire resistant hydraulic fluid as claimed in claim 1 or 2 is characterized in that, described oxidation inhibitor comprises di-iso-octyldiphenylamine, phenyl-a-naphthylamine, 2,6 DI-tert-butylphenol compounds and thiocarbamate, and the proportioning of each component is as follows:
Di-iso-octyldiphenylamine 4～10 weight parts;
Phenyl-a-naphthylamine 4～10 weight parts;
2,6 tert.-butyl phenols, 5～10 weight parts;
Thiocarbamate 6～15 weight parts.
7. fire resistant hydraulic fluid as claimed in claim 1 or 2 is characterized in that, described extreme pressure anti-wear additives is tritolyl phosphate and thiophosphatephosphorothioate; Described defoamer is a methyl-silicone oil; Described rust-preventive agent is benzotriazole and benzotriazole derivative.
8. fire resistant hydraulic fluid as claimed in claim 7 is characterized in that, in the described extreme pressure anti-wear additives, described tritolyl phosphate accounts for 2～4 weight parts, and described thiophosphatephosphorothioate accounts for 1～3 weight part; In the described rust-preventive agent, described benzotriazole accounts for 1～4 weight part, and described benzotriazole derivative accounts for 1～4 weight part.
9. as the application of arbitrary described fire resistant hydraulic fluid in hydraulic efficiency system among the claim 1-8.
10. purposes as claimed in claim 9 is characterized in that, described hydraulic efficiency system is the hydraulic efficiency system that contacts with high temperature in Steel Plant or the power station.
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