EP0055488A1 - Water-based energy transmitting fluid composition - Google Patents
Water-based energy transmitting fluid composition Download PDFInfo
- Publication number
- EP0055488A1 EP0055488A1 EP81110827A EP81110827A EP0055488A1 EP 0055488 A1 EP0055488 A1 EP 0055488A1 EP 81110827 A EP81110827 A EP 81110827A EP 81110827 A EP81110827 A EP 81110827A EP 0055488 A1 EP0055488 A1 EP 0055488A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- percent
- wear
- weight
- acid
- 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.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000012530 fluid Substances 0.000 title claims description 43
- 239000007866 anti-wear additive Substances 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- 159000000032 aromatic acids Chemical class 0.000 claims abstract description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 15
- 230000002378 acidificating effect Effects 0.000 claims abstract description 14
- -1 aromatic carboxylic acids Chemical class 0.000 claims description 22
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 12
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 229910052783 alkali metal Inorganic materials 0.000 claims description 7
- 150000007513 acids Chemical class 0.000 claims description 6
- 150000001340 alkali metals Chemical class 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 239000000539 dimer Substances 0.000 claims description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 description 9
- 239000000654 additive Substances 0.000 description 8
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 239000002562 thickening agent Substances 0.000 description 6
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 239000003112 inhibitor Substances 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 125000006353 oxyethylene group Chemical group 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 150000003863 ammonium salts Chemical class 0.000 description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 229920003169 water-soluble polymer Polymers 0.000 description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical class C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 150000002334 glycols Chemical class 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000005702 oxyalkylene group Chemical group 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000003352 sequestering agent Substances 0.000 description 3
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 2
- 239000005711 Benzoic acid Substances 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- 239000005639 Lauric acid Substances 0.000 description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 235000010233 benzoic acid Nutrition 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical class OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011975 tartaric acid Substances 0.000 description 2
- 235000002906 tartaric acid Nutrition 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- ZDPHROOEEOARMN-UHFFFAOYSA-N undecanoic acid Chemical compound CCCCCCCCCCC(O)=O ZDPHROOEEOARMN-UHFFFAOYSA-N 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- XVOUMQNXTGKGMA-OWOJBTEDSA-N (E)-glutaconic acid Chemical compound OC(=O)C\C=C\C(O)=O XVOUMQNXTGKGMA-OWOJBTEDSA-N 0.000 description 1
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 description 1
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical class CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 description 1
- JKTAIYGNOFSMCE-UHFFFAOYSA-N 2,3-di(nonyl)phenol Chemical class CCCCCCCCCC1=CC=CC(O)=C1CCCCCCCCC JKTAIYGNOFSMCE-UHFFFAOYSA-N 0.000 description 1
- RIZUCYSQUWMQLX-UHFFFAOYSA-N 2,3-dimethylbenzoic acid Chemical compound CC1=CC=CC(C(O)=O)=C1C RIZUCYSQUWMQLX-UHFFFAOYSA-N 0.000 description 1
- QJEBJKXTNSYBGE-UHFFFAOYSA-N 2-(2-heptadecyl-4,5-dihydroimidazol-1-yl)ethanol Chemical compound CCCCCCCCCCCCCCCCCC1=NCCN1CCO QJEBJKXTNSYBGE-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- VYWYYJYRVSBHJQ-UHFFFAOYSA-N 3,5-dinitrobenzoic acid Chemical compound OC(=O)C1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1 VYWYYJYRVSBHJQ-UHFFFAOYSA-N 0.000 description 1
- OXTNCQMOKLOUAM-UHFFFAOYSA-N 3-Oxoglutaric acid Chemical compound OC(=O)CC(=O)CC(O)=O OXTNCQMOKLOUAM-UHFFFAOYSA-N 0.000 description 1
- AFPHTEQTJZKQAQ-UHFFFAOYSA-N 3-nitrobenzoic acid Chemical compound OC(=O)C1=CC=CC([N+]([O-])=O)=C1 AFPHTEQTJZKQAQ-UHFFFAOYSA-N 0.000 description 1
- XMMRNCHTDONGRJ-ZZXKWVIFSA-N 4-nitrocinnamic acid Chemical compound OC(=O)\C=C\C1=CC=C([N+]([O-])=O)C=C1 XMMRNCHTDONGRJ-ZZXKWVIFSA-N 0.000 description 1
- OCJFXVHDIVAONP-UHFFFAOYSA-N 4-nitroisophthalic acid Chemical compound OC(=O)C1=CC=C([N+]([O-])=O)C(C(O)=O)=C1 OCJFXVHDIVAONP-UHFFFAOYSA-N 0.000 description 1
- SLBQXWXKPNIVSQ-UHFFFAOYSA-N 4-nitrophthalic acid Chemical compound OC(=O)C1=CC=C([N+]([O-])=O)C=C1C(O)=O SLBQXWXKPNIVSQ-UHFFFAOYSA-N 0.000 description 1
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- JWQFKVGACKJIAV-UHFFFAOYSA-N 5-[(3-carboxy-4-hydroxyphenyl)methyl]-2-hydroxybenzoic acid Chemical compound C1=C(O)C(C(=O)O)=CC(CC=2C=C(C(O)=CC=2)C(O)=O)=C1 JWQFKVGACKJIAV-UHFFFAOYSA-N 0.000 description 1
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- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 1
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- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
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- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
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- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000176 sodium gluconate Substances 0.000 description 1
- 229940005574 sodium gluconate Drugs 0.000 description 1
- 235000012207 sodium gluconate Nutrition 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
- C10M2219/088—Neutral salts
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
- C10M2219/089—Overbased salts
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/09—Heterocyclic compounds containing no sulfur, selenium or tellurium compounds in the ring
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/102—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon only in the ring
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
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- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/106—Thiadiazoles
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- 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
- C10N2010/02—Groups 1 or 11
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- 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
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- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/01—Emulsions, colloids, or micelles
Definitions
- This invention relates to fluid compositions useful especially for transmitting energy in mechanical systems and, more particularly, to water-based compositions useful in transmitting hydraulic energy having enhanced lubricity and anti-wear properties.
- Water-based hydraulic fluids are well known and have been used commercially for a number of years especially in applications where fire resistance is desired.
- One commonly used class of ' such water-based fluids as disclosed, for example, in U.S. Patent No. 2,602,780 to Zisman et al. and U.S. Patent No. 2,768,141 to Langer et al., contain water soluble glycols or glycol ethers for low temperature protection and a high molecular weight polymeric thickener such as water soluble poly(alkylene oxide) polymers for viscosity control.
- Such compositions also contain a variety of additives in "packages” that are added to enhance lubrication, corrosion protection, and other performance characteristics necessary for hydraulic devices and lubricants.
- Water based hydraulic fluids commonly have high noninflammability, good temperature stability, and a -relatively low cost, but generally have poorer anti-wear characteristics than petroleum-based fluids. Fluids used in energy transmission systems must possess sufficient lubricity and mechanical stability to enable them to be used in the self-lubricated pumps, valves etc. employed in commercial hydraulic systems. Good lubricating properties, especially good lubricity and film strength, are particularly important in reducing the wear of moving components of hydraulic systems where the clearance between frictional surfaces may be very small and pressures may be very high.
- a water-based energy transmitting and lubricating fluid having enhanced anti-wear properties which comprises an aqueous composition having a 10 -6 m 2 /s viscosity of at least about 10 centistokes at 40'C which contains up to about 80 percent by weight of water and has incorporated therein at least 0.1 percent by weight of an acidic lubricity agent and an amount of an anti-wear additive which is effective in enhancing the anti-wear characteristics of said composition, said anti-wear additive comprising the combination of a hydroxyl substituted aromatic acid component and a nitroaromatic compound component.
- compositions of the invention may also contain from 0 to about 50 percent by weight of a water soluble glycol or glycol ether having 2 to about 14 carbon atoms used as a freezing point depressant and from about 5 to about 50 percent by weight of a water-soluble polymeric viscosity control agent.
- Also provided in accordance-with the present invention is a method for enhancing the anti-wear properties of water-based energy transmitting fluids containing an acidic lubricity agent which comprises incorporating in said water-based energy transmitting fluid an anti-wear additive comprising the combination of a hydroxyl substituted aromatic acid component and a nitroaromatic compound component in an amount which is effective in enhancing the anti-wear characteristics of said fluid compositions.
- the water-based energy transmitting fluid is an aqueous composition having a viscosity of at least 10 10 -6 m 2 /s centistokes at 40 * C which contains up to 80 percent by weight of water and a conventional acidic lubricity agent to which has been added an anti-wear and lubricity additive which is the combination of a hydroxyl substituted aromatic acid component and a nitroaromatic
- the acidic lubricity agents suitable for use in compositions of the invention are well known materials which are conventionally used as lubricity improvers in water-based hydraulic and the like fluids.
- suitable acidic materials include, for example, saturated and unsaturated aliphatic carboxylic and polycarboxylic acids having at least 6 carbon atoms such as caproic acid, caprylic acid, pelargonic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linolic acid, undecanoic acid, oxalic.
- aromatic carboxylic acids such as benzoic acid, dimethylbenzoic acid, phthalic acid, terephthalic acid, isophthalic acid and trimellitic acid; alkali metal or organic amine salts of said aliphatic and aromated carboxylic acids such as morpholine; polymerized fatty acids (dimer acids); oxycarboxylic acids such as malic and tartaric acid; and lecto-dicarboxylic acids such as acetonedicarboxylic acid.
- the acidic lubricity agent may be present in an amount between about 0.1 and 10 percent by weight and are conventionally used in an amount between about 0.5 and 2 percent by weight of the water-hased composition, but greater amounts of said agent may be employed if desired for particular applications.
- An essential component of the compositions of the invention is an anti-wear additive which is the combination of a hydroxyl substituted aromatic acid component and a nitroaromatic compound component.
- Nitroaromatic compounds which are suitable for use as an anti-wear additive component in compositions of the invention are mononuclear aromatic compounds having at least one substituent nitro group.
- suitable nitroaromatic compounds are the nitro-substituted aromatic acids and compounds such as nitroaromatic salts, esters, and the like, that, in situ; effect the formation of the acid anion.
- Exemplary suitable nitroaromatic compounds are 3- nitrobenzoic acid, 4- nitrophthalic acid, 4- nitroisophthalic acid, 3,5- dinitrobenzoic acid, p-nitrocinnamic acid, and the like, and alkali metal, amine, or ammonium salts thereof.
- Hydroxyl substituted aromatic acids which are suitable for use in combination with said nitroaromatic compounds are the mononuclear hydroxyl-substituted aromatic acids such as, for example, salicylic acid, and dihydroxy substituted benzoic acid and the bridged dimer of hydroxyl-substituted aromatic carboxylic acids of the general formula: or wherein X is a sulfur atom or a chemically stable group selected from lower alkylene, sulfonyl, and amino groups, and Y and Y' may be the same or different, and are a hydrogen atom, hydroxyl group, amino group, alkyl group, or sulfonyl group.
- bridged dimer acids are methylene or sulfur bridged, hydroxyl-substituted aromatic carboxylic acids such as 5,5' methylenedisalicylic acid, pamoic acid, and thiodisalicylic acid.
- the compound may be present in the composition as a salt such as an alkali metal, amine, or ammonium salt.
- compositions of this invention it is essential that both a nitroaromatic compound and a hydroxyl substituted acid be present in order to prepare water-based compositions that exhibit enhanced anti-wear and lubricity properties.
- the combination of anti-wear additive components hereinabove described should be present in a combined amount sufficient to impart the desired degree of anti-wear properties and lubricity to the composition, depending upon the operating conditions and service requirement for a particular application.
- the amount of the combination of anti-wear additive components that should be present will be called herein an "effective amount,” which is defined as being the minimum amount required to achieve the anti-wear properties and lubricity required for a particular application.
- the amount of each of the anti-wear additive components and the "effective amount" of the combination thereof may vary somewhat depending on the application, the amount of each of the additive components present should be at least about 0.0025 gram-moles per liter (generally aboutO.003 weight percent) and preferably from about 0.01 to about 0.50 or even more, gram-moles per liter of aqueous composition (generally between about 0.01 to about 10 percent by weight).
- the relative proportions of and the maximum amount of each of the additive components and the combination thereof that should be present is not critical, with economic factors generally determining the use of amounts greatly in excess of that actually required.
- the water-based compositions of the invention 10 -6 m /s should have a viscosity of at least 10 centistokes at 40 * C and may contain up to about 80 percent by weight of water.
- the viscosity of the aqueous composition of the invention may vary depending upon the energy transmission application for which it is intended and the temperature range over which it will be used.
- energy transmitting fluids such as hydraulic fluids may have viscosities in the range of 10 -6 m2/ s about 25 to 150 centistokes at 40°C, and preferably-in the range of about 30 to 85 centistokes, and lubricating fluids may be used with similar viscosity requirements.
- the water content of the compositions of the inuention may vary in the range of from about 20 percent to about 80 percent, and preferably from about 30 percent to about 70 percent by weight.
- a water-soluble polymeric viscosity control and/or thickening agent is generally employed in an amount that ' ranges from about 5 percent to 50 percent, and preferably from about 10 to 20 percent by weight of the composition.
- Water-soluble polymers that are suitable for use as viscosity control agents in the compositions of the invention are poly(alkylene oxide) polymers. Such polymers are known compounds which, even though of high molecular weight, are water-soluble.
- these polymers will contain oxyethylene groups or both oxyethylene groups and higher oxyalkylene groups such as oxypropylene and oxybutylene groups either in random or block distribution in their molecules, and will have average molecular weights from 400 to about 40,000, or even higher.
- the amount of oxyethylene groups in the molecule is such that the poly(alkylene oxide) polymers are soluble in water at ordinary temperatures, and the amount of oxypropylene or higher oxyalkylene groups is such that the poly(alkylene oxide) remains liquid at ordinary temperatures u p to an average.
- the oxypropylene/ oxyethylene ratio may vary from zero to about unity.
- poly(alkylene oxide) polymers may be made by processes well known in the art by reacting ethylene oxides or mixtures of ethylene oxide and propylene oxide or higher alkylene oxide with a compound having at least one active hydrogen atom up to as many as six such active hydrogen atoms including, for example, water, monohydroxylic alcohols such as ethanol and propanol, dihydroxylic alcohols such as ethylene glycol, trihydroxylic alcohols such as glycerine and trimethylopropane, tertahydroxylic alcohols such as pentaerythritol, hexahydroxylic alcohols such as sorbitol, and mono- or poly- functional amines such as butylamine and ethylene diamine.
- a compound having at least one active hydrogen atom up to as many as six such active hydrogen atoms including, for example, water, monohydroxylic alcohols such as ethanol and propanol, dihydroxylic alcohols such as ethylene glycol, trihydroxylic alcohols such as glycerine and trimethyl
- the poly(alkylene oxide) products of such reaction will have linear or branched oxyethylene or oxyethylene-higher oxyalkylene chains and such chains will terminate with hydroxyl groups. Some or all of these hydroxyl groups may be etherified by reaction with a dialkyl sulfate such as diethyl sulfate.
- Another known class of water-soluble polymers that are suitable as thickeners or viscosity control agents are the polymer adducts of alkyl phenols and alkylene oxides such as, for example, the ethylene oxide/propylene oxide adducts of alkyl phenol disclosed in U.S. Patent No. 2,768,141 to Langer et al. and the ethoxylated dinonyl phenol disclosed in U.S. Patent No. 3,379,644 to Katzenstein.
- viscosity control agents are the water-soluble polyalkyl methacrylates disclosed, for example, in U.S. Patent No. 3,352,783 to McCord which generally results from the polymerization of alkyl methacrylates in which the alkyl groups can have an average of from about 3 to 10 carbon atoms.
- the urethane polymers such as disclosed in U.S. Patent No. 3,352,783 are other suitable water-soluble polymers for use as a viscosity control agent.
- water-soluble polymers are, for example, polyamide esters such as disclosed in U.S. Patent No. 3,341,573 to Shibe and polyamide alkoxylates such as disclosed in U.S. Patent No. 3,992,312 to Genjida et al.
- compositions of the invention may also contain a water-soluble freezing point depressant.
- the water-soluble freezing point depressants conventionally employed are glycols or glycol ethers having 2 to about 14 carbon atoms such as ethylene glycol, diethylene glycol, triethylene glycol, ethylene glycol ethers such.as the ethyl, methyl, propyl and butyl ethers thereof, and similar ethers of diethylene and triethylene glycol.
- proportions of said glycols or glycol ethers which will give, in combination with water, the low temperature servicability desired.
- the energy transmission fluids of this invention may also contain other components conventionally used in water-based fluids such as corrosion, oxidation, and foam inhibitors, pH conditioners, dyes, sequestering agents and the like which may be used in small amounts from about 0.01 to about 5 to 10 percent by weight of the composition. Exemplary of such materials that may.
- corrosion inhibitors including monoethanolamine, monoisopropanolamine, diethanolamine, triethanolamine, ethylenedieamine, dimethylethanolamine, diethylenetriamine, cyclohexylamine, morpholine, 1,4-bis (2-aminoethyl)pyperadine, 2-heptadecyl-l-(2-hydroxyethyl)imidazoline, derivatives thereof such as alkaline oxide adducts, alkali metal salts of carboxylic acids and the like: pH conditioners including organic amines as mentioned as corrosion inhibitors and alkali metal hydroxides; antioxidants including benzotriazole, mercaptobenzoimidazole, and mercaptobenzothiazole; foam inhibitors including silicones of the emulsion type; dyes including basic dyes and acid dyes; and sequestering agents such as aminocarboxylic acids and derivates thereof including ethylenediamotetraacetic acid, diethylenetriaminepentaacetic acid, sodium
- each of the components used may be added in any order of addition, or combinations of some of them may be prepared prior to incorporating in the composition.
- each of the components to be used should be water-soluble or previously made into a water-soluble form such as the alkali metal or ammonium salts thereof, or should be capable of being solubilized in situ.
- a method whereby the anti-wear and lubricity characteristics of a water-based energy transmission fluid may be enhanced by adding to an aqueous composition having a viscosity of at least 10 10 -6 m 2 /s centistokes at 40°C which contains up to about 80 percent by weight of water and has incorporated therein an acidic lubricity agent as hereinabove described, an anti-wear additive which comprises the combination of nitroaromatic compound component and a hydroxyl substituted aromatic acid in an "effective amount" to enhance the anti-wear and lubricity properties thereof.
- Such additive components may be in the alkali metal or ammonium salt solubilized form thereof or in a form that is solubilized in situ.
- such component may be added to the fluid when the anti-wear additive components are added.
- the polymeric thickener used in the compositions of this Example is a water-soluble product available under the trademark designation UCON 75-H-380,000 from Union Carbide Corporation.
- the copper wear additive is available commercially under the trademark designation REOMET 41 from Ciba-Geigy Corp.
- compositions B to D are vastly superior to the lubricity of composition A-which did not contain the anti-wear additive of the invention.
- Example 1 The apparatus and procedure described in Example 1 is used to evaluate the lubricity (anti-wear properties) of water-based compositions containing the anti-wear additive of the invention and these are compared with compositions prepared with one or the other of the anti-wear additive components but not with the combination thereof.
- the proportions of ingredients used and the lubricity test results are summarized in Table II.
- the polymeric thickener of Example 1 was used in the compositions of this Example.
- compositions A and B which contain the anti-wear additive of the invention exhibit greatly superior wear resistance properties than composition C which did not contain any anti-wear additive components and Compositions D and E, which did not contain the combination of anti-wear additive components.
- Example 2 Using the apparatus and procedure described in Example 1, the lubricity (anti-wear) properties of a series of fluid compositions containing various amounts of water are evaluated. The proportion of ingredients in each of the compositions and wear data obtained with each of the compositions is summarized in Table III.
- Example 1 Using the apparatus and procedure of Example 1, the lubricity of a series of water-based fluid compositions using various types of acidic lubricity agents and anti-wear additive components are evaluated. The proportion of ingredients used in each of the compositions and pump-wear test results are summarized in Table IV. The Polymeric Thickener of Example 1 is used in the compositions of this Example.
- composition E prepared with lauric acid as the acid lubricity agent exhibits somewhat higher wear.
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Abstract
Description
- This invention relates to fluid compositions useful especially for transmitting energy in mechanical systems and, more particularly, to water-based compositions useful in transmitting hydraulic energy having enhanced lubricity and anti-wear properties.
- Water-based hydraulic fluids are well known and have been used commercially for a number of years especially in applications where fire resistance is desired.. One commonly used class of' such water-based fluids, as disclosed, for example, in U.S. Patent No. 2,602,780 to Zisman et al. and U.S. Patent No. 2,768,141 to Langer et al., contain water soluble glycols or glycol ethers for low temperature protection and a high molecular weight polymeric thickener such as water soluble poly(alkylene oxide) polymers for viscosity control. Such compositions also contain a variety of additives in "packages" that are added to enhance lubrication, corrosion protection, and other performance characteristics necessary for hydraulic devices and lubricants.
- Water based hydraulic fluids commonly have high noninflammability, good temperature stability, and a -relatively low cost, but generally have poorer anti-wear characteristics than petroleum-based fluids. Fluids used in energy transmission systems must possess sufficient lubricity and mechanical stability to enable them to be used in the self-lubricated pumps, valves etc. employed in commercial hydraulic systems. Good lubricating properties, especially good lubricity and film strength, are particularly important in reducing the wear of moving components of hydraulic systems where the clearance between frictional surfaces may be very small and pressures may be very high.
- Heretofore, various attempts have been made to improve the lubricating properties and/or poor anti-wear properties of these fluids including, for example, modifying the poly(alkylene oxide) polymers generally added as viscosity control agents; incorporating additives such as conventional oil improvers, E.P. agents, corrosion inhibitors, and sequestering agents; and incorporating special water soluble additives such as the oxyalkyleneadducts of polyamides disclosed in U.S. Patent No. 3,992,312 to Genjida et al. However, none of these methods have been found to be completely effective, particularly where anti-wear resistance under high pressure conditions is desired, and the development of water-based fluids that would meet these requirements would be highly desirable. Moreover, it would also be desirable to provide energy transmitting fluids that contain more water than the 50 percent to which such known fluids are generally limited in commercial applications.
- In accordance with the present invention there is provided a water-based energy transmitting and lubricating fluid having enhanced anti-wear properties which comprises an aqueous composition having a 10-6 m2/s viscosity of at least about 10 centistokes at 40'C which contains up to about 80 percent by weight of water and has incorporated therein at least 0.1 percent by weight of an acidic lubricity agent and an amount of an anti-wear additive which is effective in enhancing the anti-wear characteristics of said composition, said anti-wear additive comprising the combination of a hydroxyl substituted aromatic acid component and a nitroaromatic compound component. Compositions of the invention may also contain from 0 to about 50 percent by weight of a water soluble glycol or glycol ether having 2 to about 14 carbon atoms used as a freezing point depressant and from about 5 to about 50 percent by weight of a water-soluble polymeric viscosity control agent.
- Also provided in accordance-with the present invention is a method for enhancing the anti-wear properties of water-based energy transmitting fluids containing an acidic lubricity agent which comprises incorporating in said water-based energy transmitting fluid an anti-wear additive comprising the combination of a hydroxyl substituted aromatic acid component and a nitroaromatic compound component in an amount which is effective in enhancing the anti-wear characteristics of said fluid compositions.
- It has been found that the particular combination of anti-wear additive components herein disclosed is efficient in enhancing the anti-wear and lubricity properies of water-based energy transmitting compositions which also contain conventional acidic lubricity agents and makes possible the preparation of such compositions with as much as 80 percent by weight of water, a significantly greater amount of water than may be used in water-based compositions heretofore employed as energy transmission fluids.
- In accordance with the present invention, the water-based energy transmitting fluid is an aqueous composition having a viscosity of at least 10 10-6 m2/s centistokes at 40*C which contains up to 80 percent by weight of water and a conventional acidic lubricity agent to which has been added an anti-wear and lubricity additive which is the combination of a hydroxyl substituted aromatic acid component and a nitroaromatic
- The acidic lubricity agents suitable for use in compositions of the invention are well known materials which are conventionally used as lubricity improvers in water-based hydraulic and the like fluids. Such suitable acidic materials include, for example, saturated and unsaturated aliphatic carboxylic and polycarboxylic acids having at least 6 carbon atoms such as caproic acid, caprylic acid, pelargonic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linolic acid, undecanoic acid, oxalic. acid, malonic acid, succinic acid, glutaric acid, adipic acid, maleic acid, fumaric acid, glutaconic acid, butenetricarboxylic acid; aromatic carboxylic acids such as benzoic acid, dimethylbenzoic acid, phthalic acid, terephthalic acid, isophthalic acid and trimellitic acid; alkali metal or organic amine salts of said aliphatic and aromated carboxylic acids such as morpholine; polymerized fatty acids (dimer acids); oxycarboxylic acids such as malic and tartaric acid; and lecto-dicarboxylic acids such as acetonedicarboxylic acid.
- As a general rule, the acidic lubricity agent may be present in an amount between about 0.1 and 10 percent by weight and are conventionally used in an amount between about 0.5 and 2 percent by weight of the water-hased composition, but greater amounts of said agent may be employed if desired for particular applications.
- An essential component of the compositions of the invention is an anti-wear additive which is the combination of a hydroxyl substituted aromatic acid component and a nitroaromatic compound component.
- Nitroaromatic compounds which are suitable for use as an anti-wear additive component in compositions of the invention are mononuclear aromatic compounds having at least one substituent nitro group. Such suitable nitroaromatic compounds are the nitro-substituted aromatic acids and compounds such as nitroaromatic salts, esters, and the like, that, in situ; effect the formation of the acid anion. Exemplary suitable nitroaromatic compounds are 3- nitrobenzoic acid, 4- nitrophthalic acid, 4- nitroisophthalic acid, 3,5- dinitrobenzoic acid, p-nitrocinnamic acid, and the like, and alkali metal, amine, or ammonium salts thereof.
- Hydroxyl substituted aromatic acids which are suitable for use in combination with said nitroaromatic compounds are the mononuclear hydroxyl-substituted aromatic acids such as, for example, salicylic acid, and dihydroxy substituted benzoic acid and the bridged dimer of hydroxyl-substituted aromatic carboxylic acids of the general formula:
- Exemplary suitable bridged dimer acids are methylene or sulfur bridged, hydroxyl-substituted aromatic carboxylic acids such as 5,5' methylenedisalicylic acid, pamoic acid, and thiodisalicylic acid. The compound may be present in the composition as a salt such as an alkali metal, amine, or ammonium salt.
- In compositions of this invention, it is essential that both a nitroaromatic compound and a hydroxyl substituted acid be present in order to prepare water-based compositions that exhibit enhanced anti-wear and lubricity properties. As a general rule, the combination of anti-wear additive components hereinabove described should be present in a combined amount sufficient to impart the desired degree of anti-wear properties and lubricity to the composition, depending upon the operating conditions and service requirement for a particular application. The amount of the combination of anti-wear additive components that should be present will be called herein an "effective amount," which is defined as being the minimum amount required to achieve the anti-wear properties and lubricity required for a particular application. While the amount of each of the anti-wear additive components and the "effective amount" of the combination thereof may vary somewhat depending on the application, the amount of each of the additive components present should be at least about 0.0025 gram-moles per liter (generally aboutO.003 weight percent) and preferably from about 0.01 to about 0.50 or even more, gram-moles per liter of aqueous composition (generally between about 0.01 to about 10 percent by weight). The relative proportions of and the maximum amount of each of the additive components and the combination thereof that should be present is not critical, with economic factors generally determining the use of amounts greatly in excess of that actually required.
- The water-based compositions of the invention 10-6 m /s should have a viscosity of at least 10 centistokes at 40*C and may contain up to about 80 percent by weight of water. In general, the viscosity of the aqueous composition of the invention may vary depending upon the energy transmission application for which it is intended and the temperature range over which it will be used. For example, energy transmitting fluids such as hydraulic fluids may have viscosities in the range of 10-6 m2/s about 25 to 150 centistokes at 40°C, and preferably-in the range of about 30 to 85 centistokes, and lubricating fluids may be used with similar viscosity requirements. While it is desirable to be able to provide an energy transmitting fluid which contains the greatest amount of water in order to provide fire resistance characteristics, it is also important that such fluid have a viscosity range that is capable of operating in existing equipment, as well as providing adequate boundary lubrication and lubrication for mechanical components. Accordingly, the water content of the compositions of the inuention may vary in the range of from about 20 percent to about 80 percent, and preferably from about 30 percent to about 70 percent by weight.
- To achieve the range of viscosities that may be desired for a particular application and wherein the water content of such compositions may be varied over a broad range, a water-soluble polymeric viscosity control and/or thickening agent is generally employed in an amount that' ranges from about 5 percent to 50 percent, and preferably from about 10 to 20 percent by weight of the composition. Water-soluble polymers that are suitable for use as viscosity control agents in the compositions of the invention are poly(alkylene oxide) polymers. Such polymers are known compounds which, even though of high molecular weight, are water-soluble. In general, these polymers will contain oxyethylene groups or both oxyethylene groups and higher oxyalkylene groups such as oxypropylene and oxybutylene groups either in random or block distribution in their molecules, and will have average molecular weights from 400 to about 40,000, or even higher. The amount of oxyethylene groups in the molecule is such that the poly(alkylene oxide) polymers are soluble in water at ordinary temperatures, and the amount of oxypropylene or higher oxyalkylene groups is such that the poly(alkylene oxide) remains liquid at ordinary temperatures up to an average. molecular weight of 40,000 and higher or may melt at temperatures below about 60.C. The oxypropylene/ oxyethylene ratio may vary from zero to about unity. These poly(alkylene oxide) polymers may be made by processes well known in the art by reacting ethylene oxides or mixtures of ethylene oxide and propylene oxide or higher alkylene oxide with a compound having at least one active hydrogen atom up to as many as six such active hydrogen atoms including, for example, water, monohydroxylic alcohols such as ethanol and propanol, dihydroxylic alcohols such as ethylene glycol, trihydroxylic alcohols such as glycerine and trimethylopropane, tertahydroxylic alcohols such as pentaerythritol, hexahydroxylic alcohols such as sorbitol, and mono- or poly- functional amines such as butylamine and ethylene diamine. The poly(alkylene oxide) products of such reaction will have linear or branched oxyethylene or oxyethylene-higher oxyalkylene chains and such chains will terminate with hydroxyl groups. Some or all of these hydroxyl groups may be etherified by reaction with a dialkyl sulfate such as diethyl sulfate.
- Another known class of water-soluble polymers that are suitable as thickeners or viscosity control agents are the polymer adducts of alkyl phenols and alkylene oxides such as, for example, the ethylene oxide/propylene oxide adducts of alkyl phenol disclosed in U.S. Patent No. 2,768,141 to Langer et al. and the ethoxylated dinonyl phenol disclosed in U.S. Patent No. 3,379,644 to Katzenstein.
- Also suitable as viscosity control agents are the water-soluble polyalkyl methacrylates disclosed, for example, in U.S. Patent No. 3,352,783 to McCord which generally results from the polymerization of alkyl methacrylates in which the alkyl groups can have an average of from about 3 to 10 carbon atoms. The urethane polymers such as disclosed in U.S. Patent No. 3,352,783 are other suitable water-soluble polymers for use as a viscosity control agent.
- Other suitable water-soluble polymers are, for example, polyamide esters such as disclosed in U.S. Patent No. 3,341,573 to Shibe and polyamide alkoxylates such as disclosed in U.S. Patent No. 3,992,312 to Genjida et al.
- In accordance with the present invention, preferred embodiments of the compositions of the invention may also contain a water-soluble freezing point depressant. The water-soluble freezing point depressants conventionally employed are glycols or glycol ethers having 2 to about 14 carbon atoms such as ethylene glycol, diethylene glycol, triethylene glycol, ethylene glycol ethers such.as the ethyl, methyl, propyl and butyl ethers thereof, and similar ethers of diethylene and triethylene glycol. In general, it is preferred to use the simpler polyols as represented by ethylene glycol, propylene glycol, butylene glycol, glycerine, and diethylene glycol. As the basis of the energy transmitting fluid of the invention, it is preferable to use proportions of said glycols or glycol ethers which will give, in combination with water, the low temperature servicability desired.
- The energy transmission fluids of this invention may also contain other components conventionally used in water-based fluids such as corrosion, oxidation, and foam inhibitors, pH conditioners, dyes, sequestering agents and the like which may be used in small amounts from about 0.01 to about 5 to 10 percent by weight of the composition. Exemplary of such materials that may. be used are corrosion inhibitors including monoethanolamine, monoisopropanolamine, diethanolamine, triethanolamine, ethylenedieamine, dimethylethanolamine, diethylenetriamine, cyclohexylamine, morpholine, 1,4-bis (2-aminoethyl)pyperadine, 2-heptadecyl-l-(2-hydroxyethyl)imidazoline, derivatives thereof such as alkaline oxide adducts, alkali metal salts of carboxylic acids and the like: pH conditioners including organic amines as mentioned as corrosion inhibitors and alkali metal hydroxides; antioxidants including benzotriazole, mercaptobenzoimidazole, and mercaptobenzothiazole; foam inhibitors including silicones of the emulsion type; dyes including basic dyes and acid dyes; and sequestering agents such as aminocarboxylic acids and derivates thereof including ethylenediamotetraacetic acid, diethylenetriaminepentaacetic acid, sodium or copper salts thereof, and oxycarboxylic acids and derivates thereof such as tartaric acid and sodium gluconate.
- In preparing the water-based compositions of the invention, each of the components used may be added in any order of addition, or combinations of some of them may be prepared prior to incorporating in the composition. In general, each of the components to be used should be water-soluble or previously made into a water-soluble form such as the alkali metal or ammonium salts thereof, or should be capable of being solubilized in situ.
- In accordance with the present invention, there is also provided a method whereby the anti-wear and lubricity characteristics of a water-based energy transmission fluid may be enhanced by adding to an aqueous composition having a viscosity of at least 10 10-6 m2/s centistokes at 40°C which contains up to about 80 percent by weight of water and has incorporated therein an acidic lubricity agent as hereinabove described, an anti-wear additive which comprises the combination of nitroaromatic compound component and a hydroxyl substituted aromatic acid in an "effective amount" to enhance the anti-wear and lubricity properties thereof. Such additive components may be in the alkali metal or ammonium salt solubilized form thereof or in a form that is solubilized in situ.
- In an alternate embodiment, in the event that the water-base fluid composition to be treated does not contain an acidic lubricity agent as herein described, such component may be added to the fluid when the anti-wear additive components are added.
- The invention will become more clear when considered together with the following examples, which are set forth as being merely illustrative of the invention and which are not intended, in any manner, to be limitative thereof. Unless otherwise indicated, all parts and percentages are by weight.
- Measurement of the wear and lubricating properties of the water-based energy transmitting compositions of this invention, as well as the compositions used for comparison purposes are performed on a hydraulic fluid test stand as described in ASTM D-2882-74 "Vam Pump Testing of Petroleum Hydraulic Fluids". The operational conditions for the tests are as follows:
- The apparatus and procedure described above are used to'evaluate the wear of metal pump cam ring and vanes using various water-based compositions of this invention in comparison with a composition prepared without the anti-wear additive of the invention. The proportion of ingredients used in preparing the compositions evaluated in this Example are summarized below:
- The polymeric thickener used in the compositions of this Example is a water-soluble product available under the trademark designation UCON 75-H-380,000 from Union Carbide Corporation. The copper wear additive is available commercially under the trademark designation REOMET 41 from Ciba-Geigy Corp.
-
- It is apparent from the data shown that the lubricity (anti-wear) properties at high pressures of compositions B to D is vastly superior to the lubricity of composition A-which did not contain the anti-wear additive of the invention.
- The apparatus and procedure described in Example 1 is used to evaluate the lubricity (anti-wear properties) of water-based compositions containing the anti-wear additive of the invention and these are compared with compositions prepared with one or the other of the anti-wear additive components but not with the combination thereof. The proportions of ingredients used and the lubricity test results are summarized in Table II. The polymeric thickener of Example 1 was used in the compositions of this Example.
- It is apparent from the data in Table II that compositions A and B which contain the anti-wear additive of the invention exhibit greatly superior wear resistance properties than composition C which did not contain any anti-wear additive components and Compositions D and E, which did not contain the combination of anti-wear additive components.
- Using the apparatus and procedure described in Example 1, the lubricity (anti-wear) properties of a series of fluid compositions containing various amounts of water are evaluated. The proportion of ingredients in each of the compositions and wear data obtained with each of the compositions is summarized in Table III.
- Using the apparatus and procedure of Example 1, the lubricity of a series of water-based fluid compositions using various types of acidic lubricity agents and anti-wear additive components are evaluated. The proportion of ingredients used in each of the compositions and pump-wear test results are summarized in Table IV. The Polymeric Thickener of Example 1 is used in the compositions of this Example.
-
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT81110827T ATE8270T1 (en) | 1980-12-30 | 1981-12-29 | WATER-BASED ENERGY TRANSFER FLUID. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22150380A | 1980-12-30 | 1980-12-30 | |
US221503 | 1980-12-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0055488A1 true EP0055488A1 (en) | 1982-07-07 |
EP0055488B1 EP0055488B1 (en) | 1984-07-04 |
Family
ID=22828094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81110827A Expired EP0055488B1 (en) | 1980-12-30 | 1981-12-29 | Water-based energy transmitting fluid composition |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0055488B1 (en) |
JP (1) | JPS6043396B2 (en) |
KR (1) | KR870002054B1 (en) |
AT (1) | ATE8270T1 (en) |
CA (1) | CA1161829A (en) |
DE (1) | DE3164619D1 (en) |
MX (1) | MX160868A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986005823A1 (en) * | 1985-03-29 | 1986-10-09 | Union Carbide Corporation | Corrosion inhibiting quenchant compositions |
EP0260019A2 (en) * | 1986-09-01 | 1988-03-16 | Exxon Chemical Patents Inc. | Aqueous fluids |
EP0309810A2 (en) * | 1987-09-26 | 1989-04-05 | Akzo Nobel N.V. | Thickening agent |
WO2014068367A1 (en) | 2012-10-30 | 2014-05-08 | Istanbul Kurumsal Pazarlama Danismanlik Kimya Sanayi Ve Ticaret Anonim Sirketi | An energy saving fluid |
NO20181341A1 (en) * | 2018-10-19 | 2020-04-20 | Nat Oilwell Varco Norway As | Hydraulic fluid for offshore applications |
EP4272572A1 (en) | 2022-05-05 | 2023-11-08 | Austria Juice GmbH | Direct juice with reduced sugar content and method of making same |
EP4272571A1 (en) | 2022-05-05 | 2023-11-08 | Austria Juice GmbH | Juice concentrate with reduced sugar content and method of preparation |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BRPI0812670B1 (en) * | 2007-07-18 | 2017-08-01 | Dow Global Technologies Inc | "COMPOSITION OF HYDRAULIC WATER LIQUID SUBSTANCIALLY FREE OF MORFOLIN" |
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SU279845A (en) * | ||||
US2768141A (en) * | 1952-10-24 | 1956-10-23 | Union Carbide & Carbon Corp | Noninflammable hydraulic fluids |
FR1185008A (en) * | 1957-10-22 | 1959-07-29 | Chausson Usines Sa | Corrosion inhibitor |
NL7509311A (en) * | 1974-08-06 | 1976-02-10 | Sanyo Chemical Ind Ltd | PROCESS FOR THE PREPARATION OF NON-FLAMMABLE HYDRAULIC LIQUIDS. |
EP0039488A2 (en) * | 1980-05-02 | 1981-11-11 | Union Carbide Corporation | Composition containing a water-soluble polyalkyleneoxide, a stabiliser therefor and a corrosion inhibitor |
-
1981
- 1981-12-18 CA CA000392651A patent/CA1161829A/en not_active Expired
- 1981-12-28 JP JP56210129A patent/JPS6043396B2/en not_active Expired
- 1981-12-29 DE DE8181110827T patent/DE3164619D1/en not_active Expired
- 1981-12-29 KR KR1019810005192A patent/KR870002054B1/en active
- 1981-12-29 EP EP81110827A patent/EP0055488B1/en not_active Expired
- 1981-12-29 AT AT81110827T patent/ATE8270T1/en not_active IP Right Cessation
-
1982
- 1982-01-04 MX MX190848A patent/MX160868A/en unknown
Patent Citations (7)
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SU279845A (en) * | ||||
US2768141A (en) * | 1952-10-24 | 1956-10-23 | Union Carbide & Carbon Corp | Noninflammable hydraulic fluids |
FR1185008A (en) * | 1957-10-22 | 1959-07-29 | Chausson Usines Sa | Corrosion inhibitor |
NL7509311A (en) * | 1974-08-06 | 1976-02-10 | Sanyo Chemical Ind Ltd | PROCESS FOR THE PREPARATION OF NON-FLAMMABLE HYDRAULIC LIQUIDS. |
DE2534808A1 (en) * | 1974-08-06 | 1976-03-04 | Sanyo Chemical Ind Ltd | NON-FLAMMABLE HYDRAULIC LIQUID |
US3992312A (en) * | 1974-08-06 | 1976-11-16 | Sanyo Chemical Industries, Ltd. | Non-inflammable hydraulic fluid |
EP0039488A2 (en) * | 1980-05-02 | 1981-11-11 | Union Carbide Corporation | Composition containing a water-soluble polyalkyleneoxide, a stabiliser therefor and a corrosion inhibitor |
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Title |
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CHEMICAL ABSTRACTS, Vol. 74, No. 10, 1971, page 108, Abstract 44104u Columbus, Ohio, US; & SU-A-279 845 (Filatov P.G.) (20-08-1970) * Abstract * * |
CHEMICAL ABSTRACTS, Vol. 81, No. 2, July 15, 1974, page 92, Abstract 5461h Columbus, Ohio, US; & JP-A-48 095 324 (Mitsubishi Heavy Ind) (07-12-1973) * Abstract * * |
CHEMICAL ABSTRACTS, Vol. 82, April 16, 1975, page 146, Abstract 100283f Columbus, Ohio, US 3; & JP-A-49 079 332 (Nippon Steel Corp.)( 31-07-1974) * Abstract * * |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986005823A1 (en) * | 1985-03-29 | 1986-10-09 | Union Carbide Corporation | Corrosion inhibiting quenchant compositions |
EP0260019A2 (en) * | 1986-09-01 | 1988-03-16 | Exxon Chemical Patents Inc. | Aqueous fluids |
EP0260019A3 (en) * | 1986-09-01 | 1988-09-28 | Exxon Chemical Patents Inc. | Aqueous fluids |
EP0309810A2 (en) * | 1987-09-26 | 1989-04-05 | Akzo Nobel N.V. | Thickening agent |
EP0309810A3 (en) * | 1987-09-26 | 1991-06-12 | Akzo Nobel N.V. | Thickening agent |
WO2014068367A1 (en) | 2012-10-30 | 2014-05-08 | Istanbul Kurumsal Pazarlama Danismanlik Kimya Sanayi Ve Ticaret Anonim Sirketi | An energy saving fluid |
NO20181341A1 (en) * | 2018-10-19 | 2020-04-20 | Nat Oilwell Varco Norway As | Hydraulic fluid for offshore applications |
NO345520B1 (en) * | 2018-10-19 | 2021-03-22 | Nat Oilwell Varco Norway As | Hydraulic fluid for offshore applications |
EP4272572A1 (en) | 2022-05-05 | 2023-11-08 | Austria Juice GmbH | Direct juice with reduced sugar content and method of making same |
EP4272571A1 (en) | 2022-05-05 | 2023-11-08 | Austria Juice GmbH | Juice concentrate with reduced sugar content and method of preparation |
WO2023214030A1 (en) | 2022-05-05 | 2023-11-09 | Austria Juice Gmbh | Juice concentrate having a reduced sugar content, and production method |
WO2023214034A1 (en) | 2022-05-05 | 2023-11-09 | Austria Juice Gmbh | Direct juice having a reduced sugar content, and production method |
Also Published As
Publication number | Publication date |
---|---|
ATE8270T1 (en) | 1984-07-15 |
EP0055488B1 (en) | 1984-07-04 |
MX160868A (en) | 1990-06-06 |
CA1161829A (en) | 1984-02-07 |
JPS57141497A (en) | 1982-09-01 |
KR830007813A (en) | 1983-11-07 |
DE3164619D1 (en) | 1984-08-09 |
KR870002054B1 (en) | 1987-12-03 |
JPS6043396B2 (en) | 1985-09-27 |
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