US2509620A - Nonflammable hydraulic fluid - Google Patents
Nonflammable hydraulic fluid Download PDFInfo
- Publication number
- US2509620A US2509620A US747844A US74784447A US2509620A US 2509620 A US2509620 A US 2509620A US 747844 A US747844 A US 747844A US 74784447 A US74784447 A US 74784447A US 2509620 A US2509620 A US 2509620A
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- United States
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- hydraulic
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- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000012530 fluid Substances 0.000 title claims description 40
- 239000004615 ingredient Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 description 42
- 239000003795 chemical substances by application Substances 0.000 description 23
- 230000007797 corrosion Effects 0.000 description 22
- 238000005260 corrosion Methods 0.000 description 22
- RWNKSTSCBHKHTB-UHFFFAOYSA-N Hexachloro-1,3-butadiene Chemical compound ClC(Cl)=C(Cl)C(Cl)=C(Cl)Cl RWNKSTSCBHKHTB-UHFFFAOYSA-N 0.000 description 18
- 239000002480 mineral oil Substances 0.000 description 18
- 150000001722 carbon compounds Chemical class 0.000 description 17
- 150000002148 esters Chemical class 0.000 description 17
- 150000001875 compounds Chemical class 0.000 description 16
- 239000003112 inhibitor Substances 0.000 description 15
- 235000010446 mineral oil Nutrition 0.000 description 11
- 239000003921 oil Substances 0.000 description 11
- 235000019198 oils Nutrition 0.000 description 11
- 239000002253 acid Substances 0.000 description 9
- 150000002896 organic halogen compounds Chemical class 0.000 description 9
- 150000002118 epoxides Chemical class 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 235000021317 phosphate Nutrition 0.000 description 6
- XNJDQHLXEBQMDE-UHFFFAOYSA-N 2-(cyclohexyloxymethyl)oxirane Chemical compound C1OC1COC1CCCCC1 XNJDQHLXEBQMDE-UHFFFAOYSA-N 0.000 description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 5
- -1 aromatic epoxides Chemical class 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000004129 EU approved improving agent Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 125000006267 biphenyl group Chemical group 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 150000002989 phenols Chemical class 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 3
- 150000008282 halocarbons Chemical class 0.000 description 3
- VFDYKPARTDCDCU-UHFFFAOYSA-N hexachloropropene Chemical group ClC(Cl)=C(Cl)C(Cl)(Cl)Cl VFDYKPARTDCDCU-UHFFFAOYSA-N 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 3
- YEVQZPWSVWZAOB-UHFFFAOYSA-N 2-(bromomethyl)-1-iodo-4-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=C(I)C(CBr)=C1 YEVQZPWSVWZAOB-UHFFFAOYSA-N 0.000 description 2
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical class NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 159000000032 aromatic acids Chemical class 0.000 description 2
- 150000004982 aromatic amines Chemical class 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 125000005395 methacrylic acid group Chemical group 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000009972 noncorrosive effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 125000004434 sulfur atom Chemical group 0.000 description 2
- JHPBZFOKBAGZBL-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylprop-2-enoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)=C JHPBZFOKBAGZBL-UHFFFAOYSA-N 0.000 description 1
- GIEXQJPBBBSMBO-UHFFFAOYSA-N 1,2,3-trichloro-4-propan-2-ylbenzene Chemical compound CC(C)C1=CC=C(Cl)C(Cl)=C1Cl GIEXQJPBBBSMBO-UHFFFAOYSA-N 0.000 description 1
- ZPQOPVIELGIULI-UHFFFAOYSA-N 1,3-dichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1 ZPQOPVIELGIULI-UHFFFAOYSA-N 0.000 description 1
- VQBIYCQGHAHVPN-UHFFFAOYSA-N 1,7-dichloronaphthalene Chemical compound C1=CC=C(Cl)C2=CC(Cl)=CC=C21 VQBIYCQGHAHVPN-UHFFFAOYSA-N 0.000 description 1
- KGYYLUNYOCBBME-UHFFFAOYSA-M 4-fluoro-2-phenyl-4-(4-propylcyclohexyl)cyclohexa-1,5-diene-1-carboxylate Chemical compound C1CC(CCC)CCC1C1(F)C=CC(C([O-])=O)=C(C=2C=CC=CC=2)C1 KGYYLUNYOCBBME-UHFFFAOYSA-M 0.000 description 1
- NTDQQZYCCIDJRK-UHFFFAOYSA-N 4-octylphenol Chemical compound CCCCCCCCC1=CC=C(O)C=C1 NTDQQZYCCIDJRK-UHFFFAOYSA-N 0.000 description 1
- WEPMDZSMAYHRGN-UHFFFAOYSA-N 6,6-dichlorocyclohexa-2,4-dien-1-ol Chemical compound OC1C=CC=CC1(Cl)Cl WEPMDZSMAYHRGN-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- AWMVMTVKBNGEAK-UHFFFAOYSA-N Styrene oxide Chemical compound C1OC1C1=CC=CC=C1 AWMVMTVKBNGEAK-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- UCAOGXRUJFKQAP-UHFFFAOYSA-N n,n-dimethyl-5-nitropyridin-2-amine Chemical compound CN(C)C1=CC=C([N+]([O-])=O)C=N1 UCAOGXRUJFKQAP-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/041—Mixtures of base-materials and additives the additives being macromolecular compounds only
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/12—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
- C07D303/18—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals
- C07D303/20—Ethers with hydroxy compounds containing no oxirane rings
- C07D303/24—Ethers with hydroxy compounds containing no oxirane rings with polyhydroxy compounds
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- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
- C10M101/02—Petroleum fractions
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- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/34—Esters of monocarboxylic acids
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- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/36—Esters of polycarboxylic acids
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- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/50—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen
- C10M105/52—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen containing carbon, hydrogen and halogen only
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- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/74—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing phosphorus
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- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/76—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing silicon
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- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/16—Ethers
- C10M129/18—Epoxides
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- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M133/12—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
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- C10M135/32—Heterocyclic sulfur, selenium or tellurium compounds
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- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
- C10M145/12—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
- C10M145/14—Acrylate; Methacrylate
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- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
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- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
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- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
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- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/08—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-nitrogen bonds
- C10M2223/083—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-nitrogen bonds used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/10—Phosphatides, e.g. lecithin, cephalin
- C10M2223/103—Phosphatides, e.g. lecithin, cephalin used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/02—Esters of silicic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/02—Esters of silicic acids
- C10M2227/025—Esters of silicic acids used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/04—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes
- C10M2227/045—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/04—Groups 2 or 12
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/14—Electric or magnetic purposes
- C10N2040/16—Dielectric; Insulating oil or insulators
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/14—Electric or magnetic purposes
- C10N2040/17—Electric or magnetic purposes for electric contacts
Definitions
- This invention relates to oleaginous compositions, and particularly to compositions suitable for use as hydraulic fluids and/or insulating oils. More specifically, the invention is concerned with nonflammable synthetic oils having excellent viscosity indices.
- Mineral oils have for many years been universally used as bases for lubricants and for hydraulic fluids. This has been due in large part to the abundant supplies of petroleum and to the fact that with improved means of refinement, and through treatment with chemical .addition agents, it has been possible to modify or overcome some of the inherent properties of these oils which are undesirable for a number of purposes involving lubrication, electrical insulation, etc.
- the structural complexity of petroleum oils, and their relations of the chemical and physical properties are conducive to many problems in performance. have relatively poor viscosity indices. This property may at times be improved to a limited degree by the addition of certain materials which raise the viscosity index.
- the essential bases which comprise hydraulic fluids of the present composition are substantially completely halogenated organic compounds which are liquid at normal temperatures.
- normal temperatures is meant temperatures varying from about 20- C. to about 200 C.
- These include chlorinated, brominated, iodinated and fiuorinated organic compounds, especially the fully halogenated lower hydrocarbons (whether saturated or unsaturated) wherein substantially all of the hydrogen atoms have been replaced by the same or different halogen atoms.
- the compound most suitable for use in the subject hydraulic fluid is hexachlorobutadiene.
- Other suitable bases for the present composition include hexachloropropylene, hexabrornopropylene, as well as their fully halogenated homologs and analogs.
- Viscosity index improving agents It was appreciated that mineral oils could be modified by a variety of substances in order to improve the viscosity indices thereof. However, it was found that the action of many of these modifying substances was specific to mineral oil alone and that for the most part such modifiers had substantially no effect upon the viscosity in dices of fully halogenated carbon compounds. However, it was discovered that two classes of substances form highly effective agents for the improvement of the viscosity indices of fully halogenated organic compounds, namely, highly polymerized olefins and polymerized unsaturated esters.
- Suitable polymerized olenns include polyisobutylene, polystyrene, polyindene, polymerized 1,3-butadiene and polyisoprene.
- the more satisfactory polymers for the present use are those obtained by polymerizing esters of run saturated acids, especially esteriiied methacrylic and more particularly, those in which the alcohol portion of the ester contains from about a to about 16 carbon atoms.
- Corrosion inhibitors One of the essential features of oleaginous compositions, especially when used for such purposes as hydraulic fluids or insulating oils is that they be of low, preferably negligible corrosivity. Especially when such compositions are employed as hydraulic fluids, it is an essential feature thereof that the corrosion characteristics be so low that the relatively moving parts of the hydraulic apparatus are not corroded during extended period of use. Any appreciable amount of corrosion whatsoever in a hydraulic apparatus such as landinggear might be fatal in its consequences to the safety of an aircraft and its passengers.
- halogenated epoxides such as epichlorohydrin.
- Another highly satisfactory class of unsaturated corrosion inhibitors for halogenated compounds are the epoxides containing at least one unsaturated hydrocarbon group such as butadiene monoxide, and styrene oxide.
- a third type of satisfactory corrosion inhibitor includes the glycidyl cycloaliphatic ethcrs such as glycidylcyclohexyl ether and substituted derivatives thereof such as the alkylated glycidylcyclohexyl ethers.
- a fourth type of corrosion inhibitor for use in the present composition is the glycidyl aromatic ether such as glycidylphenyl ether and its alkylated derivatives, alkyl groups being substituted either in the glycidyl or on the aromatic radical.
- Two other types of corrosion inhibitors which substantially reduce the corrosion characteristics of fully halogenated carbon compounds are the condensates of aldehydes with phenols such as the condensates of formaldehyde such as para-octylphenol, and the metallic salts of alkylated aromatic acids such as zinc or magnesium disopropylsalicylate.
- a further accomplishment of this addition is the adjustment of the viscosity of these compositions to a desired degree for a specific purpose.
- mineral oils may be added having a suitable viscosity from about that of gas oil to about that of heavy lubricating 011, depending upon the viscosity of the composition which is required.
- the flammability of the resulting composition is substantially that of the unmodified fully halogenated carbon compounds. As greater amounts than those specified above are employed the composition becomes more and more inflammable.
- the mineral oils added to modify the wear characteristics, density and/or viscosity of the hydraulic fluids may contain any of the well known additives employed with mineral oil such as oxidationinhibitors, corrosion inhibitors, viscosity index improvers, pour point depressants,
- the hy-- draulic fluid contains more than about parts of mineral oil per 100 parts of the fully halogenated carbon compound it is desirable to modify the oil with a viscosity index improving agent.
- a viscosity index improving agent may includes the two types specified above but any of the other well known types of viscosity index improvers may be used for this purpose.
- Partially halogenated organic compounds It is known according to past experience that other partially halogenated organic compounds contain a certain amount of non-flammability, but for maximum safety, such compounds can not be used as hydraulic fluids when substantially complete non-flammability is highly desirable. This is especially true of hydraulic fluids used in aircraft equipment.
- partially halogenated organic compounds and particularly partially halogenated hydrocarbons may be included in the composition if desired up to about 50 parts per 100 parts of the fully halogenated organic compound without appreciably impairing the flammability of the resulting composition.
- halogenated hydrocarbons include the partially chlorinated aromatic hydrocarbons such as-partially chlorinated benzene, diphenyl, naphthalene or their derivatives such as alkylated, arylated. or alkyarylated aromatic hydrocarbons. Suitable examples of this variety include especially trichlorocumene, 2,2-dichlorophenol. 3,5-dichloronaphthalene, and 1,3-dichlorobenzene. If amounts of the partially halogenated hydrocarbons are increased by the limit set above the resulting composition becomes increasingly flammable and less suitable for uses where maximum safety is a major requirement.
- Oxidation inhibitors While the compositions of the present invention ordinarily have satisfactory oxidation stabilization it has been found that the addition of substituted phenols, amino phenols, and aromatic amines, appreciably improve the stability of the composition especially when the latter are subject to attack by oxygen. Under normal conditions, such as in full enclosed hydraulic systems, hydraulic fluid is not subject to oxygen attack, but, for storage purposes and under more Tl stringent use the inclusion of 0.5-5 parts of the above types of inhibitors per 100 parts of fully halogenated organic compounds is desirable.
- compositions according to the present invention include the polymerized C4 to C9 unsaturated hydrocarbons and polymerized esters of C4 to Cm alcohols with an acid of the acrylic acid series, said polymer being present in an amount between improving polymer oi the group consisting of following ingredients: 5 2 and 15 parts by weight per 100 parts 01' said major ingredient. Com mm parts by 5.
- An hydraulic fluid according to claim 4 conweigh taming 0.5-5 parts by weight, per 100 parts of 100 said major ingredient, of a corrosion inhibitor r a compound m of the group consisting of halogenated epoxides, iii?fiieifiiif ifio tfiyiiirifi tdiiiii 2-15 unsaturated epoxides, glycidyl cycloaliphatic g gigg g f Select from the group (Embed H ethers, glycidyl aromatic ethers, phenol-aldehyde Extreme pressure agentsasdcscribed above 0-15 COIIdEIISBJtBS, and metallic Salts Of alkylated aror zi r t i a li l ialogcnated organic compound 81% matic acids I ijexidotign Inhibitors .IIIIIIIIIIIIIIIII 0-5 i6 6.
- a substantially non-flammable hydraulic fluid consisting essentially of an organic com-
- S id Compound lowing composition is highly desirable: 233 q v trarilsg Of f om i 0 C.
- The'iollowing examples are specific composi- I.
- Cer fluid consisting essentially of an organic comtain data accompany the compositions.
- the pound containing only halogen and carbon atoms wear test referred to in Example 5 is described as the major ingredient thereof, said compound by Boerlage in Engineering June 13, 1933. so being a liquid over the range C. to 200 0.,
- Example 1 2 3 4- 5 Hexachlorobutadiene 9o so so 67.5 Hexachloropropylene 90 Chlorinated diphenyl 9 Poly (methacrylic ester) l0 l0 10 10 8. 5 Transformer mineral oil 19 Giyoidylcyclohexyl ether l Trioctyl phosphate. 10 6 Viscosity, cs. at 100 12.33 13.65 14.23 13.37 14.31 Viscosity Index 237 222 222 229 224 Pour Point, "F less than 65 less than -65 Wear test, mm. scar diameter" 0.36
- a substantially non-flammable hydraulic group consisting of polymerized C4 to C9 unsatflllid Consisting essentially the following urated hydrocarbons and polymerized esters oi gredient in sta y the S d Proportions: C4 to C16 alcohols and an acid of the acrylic acid Parts by weight, series, said polymer being present in an amount Hexachlorobutadiene 100 between 2 and 15 parts by weight per 100 parts Polymerized ester of methacrylic acid 245 of said major ingredient. Glycidyl cyclohexyl ether 0.5-5 8.
- a substantially non-flammable hydraulic pqlymerized of methacrync 2-15 fluid consisting essentially of hexachlorobuta Mmeml on diene as the major ingredient thereof and from An extreme i i agent selected i 2 to 15 parts by weight, per 100 parts of hexa- 05 the F of Sulfunzed chlorobutadiene, of a viscosity index improving mal Sulfunzed Vegetable polymerized ester of methacrylic acid with an alky 1 p p afndatnary phosphate- 3-15 alcohol having from 4 to 16 carbon atoms.
- a cormslon i m selected from h 4.
- a substantially non-flammable hydraulic gr9up conslstmg of halpgenated fluid consisting essentially of an organic com- X1de'a.nm1atumted epoxlde aglycldyl pound containing only chlorine and carbon cycloallphatic ether, a glycidyl aromatic atoms as the major ingredient thereof, said ether a Phenolaldehyde condensate and compound being a liquid over the range of a metallic salt of an alkylated aromatic from 20 c. to 200" 0., and a viscosity index acid II 10.
- a substantially non-flammable hydraulic 9 fluid consisting essentially of the following ingredients in substantially the stated proportions:
- Hexachlorobutadiene 100 Polymerized ester of methacrylic acid 2-15 Chlorinated diphenyl -50 Organic phosphate selected from the group consisting of a trialkyl phosphate and a triaryl phosphate 3-15 Metallic salt of an alkylated aromatic acid- 0.5-5
- a substantially non-flammable hydraulic fluid consisting essentially of the following composition: 80 parts by weight hexachlorobutadiene, 9 parts by weight chlorinated diphenyl, 10 parts by weight of a polymerized ester of methacrylic acid and 1 part by weight of glycidyl cyclohexyl ether.
- a substantially non-flammable hydraulic fluid consisting essentially of the following com position: 90 parts by weight hexachloropropylene and 10 parts by weight of a polymerized ester of methacrylic acid.
- a substantially non-flammable hydraulic fluid consisting essentially of hexachlorobutadiene as the major ingredient thereof and from 2 to parts by weight per 100 parts of hexachlorobutadiene of a viscosity index improving polymer 0! the group consisting of (a) polymerized C4 to Co unsaturated hydrocarbons and (b) polymerized esters of C4 to C15 alcohols and an acid of the acrylic acid series, and 0-50 parts by weight per parts of hexachlorobutadiene of chlorinated dlphenyl.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Engineering & Computer Science (AREA)
- Lubricants (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR966140D FR966140A (fr) | 1947-05-13 | ||
| US747844A US2509620A (en) | 1947-05-13 | 1947-05-13 | Nonflammable hydraulic fluid |
| GB11798/48A GB656854A (en) | 1947-05-13 | 1948-04-29 | Oleaginous compositions particularly suitable for use as hydraulic fluids and/or insulating oils |
| NL140410A NL71899C (fr) | 1947-05-13 | 1948-05-12 | |
| NL184080A NL91728C (fr) | 1947-05-13 | 1954-01-04 | |
| FR1091127D FR1091127A (fr) | 1947-05-13 | 1954-01-04 | Compositions lubrifiantes |
| BE525466D BE525466A (fr) | 1947-05-13 | 1954-01-04 | |
| GB186/54A GB759284A (en) | 1947-05-13 | 1954-01-04 | Improvements in or relating to lubricating compositions |
| DEN8267A DE939523C (de) | 1947-05-13 | 1954-01-05 | Schmiermittel auf Esterbasis |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US747844A US2509620A (en) | 1947-05-13 | 1947-05-13 | Nonflammable hydraulic fluid |
| US759284XA | 1953-01-05 | 1953-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2509620A true US2509620A (en) | 1950-05-30 |
Family
ID=31949681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US747844A Expired - Lifetime US2509620A (en) | 1947-05-13 | 1947-05-13 | Nonflammable hydraulic fluid |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2509620A (fr) |
| BE (1) | BE525466A (fr) |
| DE (1) | DE939523C (fr) |
| FR (2) | FR1091127A (fr) |
| GB (2) | GB656854A (fr) |
| NL (2) | NL71899C (fr) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2636861A (en) * | 1950-06-09 | 1953-04-28 | Shell Dev | Hydraulic fluid |
| US2683120A (en) * | 1950-08-29 | 1954-07-06 | Standard Oil Dev Co | Hydraulic transmission fluids |
| US2686760A (en) * | 1951-10-27 | 1954-08-17 | Shell Dev | Hydraulic fluids and lubricating compositions |
| US2707176A (en) * | 1951-01-15 | 1955-04-26 | Monsanto Chemicals | Tricresyl phosphate-chlorinated biphenyl functional fluid improved by alkylated polystyrene |
| DE950805C (de) * | 1953-07-17 | 1956-10-18 | Shell Res Ltd | Nichtentflammbare hydraulische Fluessigkeit |
| US2842497A (en) * | 1953-01-05 | 1958-07-08 | Shell Dev | Phosphorus esters containing diarylamines and polyepoxypolyhydroxy polyethers |
| US2851421A (en) * | 1951-08-07 | 1958-09-09 | Pure Oil Co | Power transmission fluids |
| US2933449A (en) * | 1956-09-21 | 1960-04-19 | Douglas Aircraft Co Inc | Functional fluid and lubricant |
| US2934501A (en) * | 1952-10-20 | 1960-04-26 | Douglas Aircraft Co Inc | Fire-resistant functional fluid and lubricant composition |
| US2961408A (en) * | 1957-06-14 | 1960-11-22 | Shell Oil Co | Power transmission mineral oil base fluids |
| US3031410A (en) * | 1958-06-10 | 1962-04-24 | Detrex Chem Ind | Composition and method of inhibiting corrosion of ferrous metals by amine-stabilized unsaturated chlorinated hydrocarbons |
| US3075040A (en) * | 1957-07-26 | 1963-01-22 | Siemens Ag | Method for improving the electric strength and flash-over or glowdischarge resistance of olefine polymers |
| US3129186A (en) * | 1961-03-24 | 1964-04-14 | Westinghouse Electric Corp | Damping and flotation fluid |
| US3136726A (en) * | 1957-06-28 | 1964-06-09 | Douglas Aircraft Co Inc | Fire-resistant hydraulic fluid and lubricant |
| US3496107A (en) * | 1969-03-13 | 1970-02-17 | Fmc Corp | Fire-resistant functional fluids |
| US3793207A (en) * | 1971-11-05 | 1974-02-19 | Chevron Res | Fire-resistant hydraulic fluid |
| US3862048A (en) * | 1972-05-01 | 1975-01-21 | Mc Donnell Douglas Corp | Functional fluid compositions |
| US3865743A (en) * | 1972-05-01 | 1975-02-11 | Mc Donnell Douglas Corp | Functional fluids |
| US3873464A (en) * | 1970-12-28 | 1975-03-25 | Mobil Oil Corp | Flame resistant hydraulic fluid |
| US6156228A (en) * | 1994-11-16 | 2000-12-05 | Houghton International, Inc. | Trialkoxyalkylphosphate-based fire resistant fluid containing triglyceride |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL110202C (fr) * | 1958-07-15 | |||
| DE1218097B (de) * | 1961-04-01 | 1966-06-02 | Bayer Ag | Hydraulikoele |
| US3637507A (en) * | 1968-02-12 | 1972-01-25 | Stauffer Chemical Co | Aircraft hydraulic fluid and method of controlling acid buildup therein with acid acceptor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1082528A (en) * | 1913-08-08 | 1913-12-30 | Matthew Albert Hunter | Low-freezing liquid. |
| GB418230A (en) * | 1932-04-22 | 1934-10-22 | Ig Farbenindustrie Ag | New or improved compositions comprising chlorinated organic substances |
| US2017089A (en) * | 1934-07-16 | 1935-10-15 | Wagner Electric Corp | Operating fluid for hydraulic transmission |
| US2102825A (en) * | 1935-03-06 | 1937-12-21 | Du Pont | Hydraulic fluids |
| US2408983A (en) * | 1943-01-25 | 1946-10-08 | Union Oil Co | Composition of matter suitable as a hydraulic fluid |
| US2413170A (en) * | 1943-04-01 | 1946-12-24 | Gen Electric | Liquid stable at low temperatures |
| US2423927A (en) * | 1942-05-22 | 1947-07-15 | Standard Oil Co | Constant viscosity hydraulic fluid compositions |
| US2438446A (en) * | 1945-05-25 | 1948-03-23 | Standard Oil Dev Co | Lubricant and hydraulic fluid composition |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE23229E (en) * | 1943-09-15 | 1950-05-09 | Compounded lubricating oil | |
| NL142969B (nl) * | 1947-10-28 | Monsanto Co | Werkwijze voor het bereiden van een mengsel, dat polyvinylchloride en/of een of meer vinylchloridevinylacetaatcopolymeren en een ftalaat als weekmaker bevat. |
-
0
- FR FR966140D patent/FR966140A/fr not_active Expired
-
1947
- 1947-05-13 US US747844A patent/US2509620A/en not_active Expired - Lifetime
-
1948
- 1948-04-29 GB GB11798/48A patent/GB656854A/en not_active Expired
- 1948-05-12 NL NL140410A patent/NL71899C/xx active
-
1954
- 1954-01-04 BE BE525466D patent/BE525466A/xx unknown
- 1954-01-04 FR FR1091127D patent/FR1091127A/fr not_active Expired
- 1954-01-04 GB GB186/54A patent/GB759284A/en not_active Expired
- 1954-01-04 NL NL184080A patent/NL91728C/xx active
- 1954-01-05 DE DEN8267A patent/DE939523C/de not_active Expired
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1082528A (en) * | 1913-08-08 | 1913-12-30 | Matthew Albert Hunter | Low-freezing liquid. |
| GB418230A (en) * | 1932-04-22 | 1934-10-22 | Ig Farbenindustrie Ag | New or improved compositions comprising chlorinated organic substances |
| US2017089A (en) * | 1934-07-16 | 1935-10-15 | Wagner Electric Corp | Operating fluid for hydraulic transmission |
| US2102825A (en) * | 1935-03-06 | 1937-12-21 | Du Pont | Hydraulic fluids |
| US2423927A (en) * | 1942-05-22 | 1947-07-15 | Standard Oil Co | Constant viscosity hydraulic fluid compositions |
| US2408983A (en) * | 1943-01-25 | 1946-10-08 | Union Oil Co | Composition of matter suitable as a hydraulic fluid |
| US2413170A (en) * | 1943-04-01 | 1946-12-24 | Gen Electric | Liquid stable at low temperatures |
| US2438446A (en) * | 1945-05-25 | 1948-03-23 | Standard Oil Dev Co | Lubricant and hydraulic fluid composition |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2636861A (en) * | 1950-06-09 | 1953-04-28 | Shell Dev | Hydraulic fluid |
| US2683120A (en) * | 1950-08-29 | 1954-07-06 | Standard Oil Dev Co | Hydraulic transmission fluids |
| US2707176A (en) * | 1951-01-15 | 1955-04-26 | Monsanto Chemicals | Tricresyl phosphate-chlorinated biphenyl functional fluid improved by alkylated polystyrene |
| US2851421A (en) * | 1951-08-07 | 1958-09-09 | Pure Oil Co | Power transmission fluids |
| US2686760A (en) * | 1951-10-27 | 1954-08-17 | Shell Dev | Hydraulic fluids and lubricating compositions |
| US2934501A (en) * | 1952-10-20 | 1960-04-26 | Douglas Aircraft Co Inc | Fire-resistant functional fluid and lubricant composition |
| US2842497A (en) * | 1953-01-05 | 1958-07-08 | Shell Dev | Phosphorus esters containing diarylamines and polyepoxypolyhydroxy polyethers |
| DE950805C (de) * | 1953-07-17 | 1956-10-18 | Shell Res Ltd | Nichtentflammbare hydraulische Fluessigkeit |
| US2933449A (en) * | 1956-09-21 | 1960-04-19 | Douglas Aircraft Co Inc | Functional fluid and lubricant |
| US2961408A (en) * | 1957-06-14 | 1960-11-22 | Shell Oil Co | Power transmission mineral oil base fluids |
| US3136726A (en) * | 1957-06-28 | 1964-06-09 | Douglas Aircraft Co Inc | Fire-resistant hydraulic fluid and lubricant |
| US3075040A (en) * | 1957-07-26 | 1963-01-22 | Siemens Ag | Method for improving the electric strength and flash-over or glowdischarge resistance of olefine polymers |
| US3031410A (en) * | 1958-06-10 | 1962-04-24 | Detrex Chem Ind | Composition and method of inhibiting corrosion of ferrous metals by amine-stabilized unsaturated chlorinated hydrocarbons |
| US3129186A (en) * | 1961-03-24 | 1964-04-14 | Westinghouse Electric Corp | Damping and flotation fluid |
| US3496107A (en) * | 1969-03-13 | 1970-02-17 | Fmc Corp | Fire-resistant functional fluids |
| US3873464A (en) * | 1970-12-28 | 1975-03-25 | Mobil Oil Corp | Flame resistant hydraulic fluid |
| US3793207A (en) * | 1971-11-05 | 1974-02-19 | Chevron Res | Fire-resistant hydraulic fluid |
| US3862048A (en) * | 1972-05-01 | 1975-01-21 | Mc Donnell Douglas Corp | Functional fluid compositions |
| US3865743A (en) * | 1972-05-01 | 1975-02-11 | Mc Donnell Douglas Corp | Functional fluids |
| US6156228A (en) * | 1994-11-16 | 2000-12-05 | Houghton International, Inc. | Trialkoxyalkylphosphate-based fire resistant fluid containing triglyceride |
| US6521142B1 (en) | 1994-11-16 | 2003-02-18 | Houghton Technical Corp. | Fire-resistant hydraulic fluid compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| BE525466A (fr) | 1956-05-25 |
| NL91728C (fr) | 1959-08-15 |
| GB656854A (en) | 1951-09-05 |
| FR1091127A (fr) | 1955-04-07 |
| FR966140A (fr) | 1950-09-30 |
| DE939523C (de) | 1956-02-23 |
| NL71899C (fr) | 1953-03-16 |
| GB759284A (en) | 1956-10-17 |
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