CH616957A5 - - Google Patents
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- Publication number
- CH616957A5 CH616957A5 CH159675A CH159675A CH616957A5 CH 616957 A5 CH616957 A5 CH 616957A5 CH 159675 A CH159675 A CH 159675A CH 159675 A CH159675 A CH 159675A CH 616957 A5 CH616957 A5 CH 616957A5
- Authority
- CH
- Switzerland
- Prior art keywords
- hydraulic
- liquid
- hydraulic fluid
- acid
- liquid according
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims description 62
- -1 alkyl radical Chemical class 0.000 claims description 38
- 229910019142 PO4 Inorganic materials 0.000 claims description 32
- 235000021317 phosphate Nutrition 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 26
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 18
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 17
- 125000003118 aryl group Chemical group 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 12
- 239000010452 phosphate Substances 0.000 claims description 12
- 239000004593 Epoxy Substances 0.000 claims description 11
- 150000002148 esters Chemical class 0.000 claims description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000003112 inhibitor Substances 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 6
- 239000012964 benzotriazole Substances 0.000 claims description 6
- 239000002480 mineral oil Substances 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 5
- 239000002562 thickening agent Substances 0.000 claims description 5
- YXALYBMHAYZKAP-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]heptan-4-ylmethyl 7-oxabicyclo[4.1.0]heptane-4-carboxylate Chemical compound C1CC2OC2CC1C(=O)OCC1CC2OC2CC1 YXALYBMHAYZKAP-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 150000001408 amides Chemical class 0.000 claims description 4
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 4
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 4
- GUEIZVNYDFNHJU-UHFFFAOYSA-N quinizarin Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C(O)=CC=C2O GUEIZVNYDFNHJU-UHFFFAOYSA-N 0.000 claims description 4
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 3
- 239000002518 antifoaming agent Substances 0.000 claims description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 3
- 150000002118 epoxides Chemical class 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 235000010446 mineral oil Nutrition 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- XEBWQGVWTUSTLN-UHFFFAOYSA-M phenylmercury acetate Chemical compound CC(=O)O[Hg]C1=CC=CC=C1 XEBWQGVWTUSTLN-UHFFFAOYSA-M 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 4
- 150000007942 carboxylates Chemical class 0.000 claims 4
- 229910052698 phosphorus Inorganic materials 0.000 claims 4
- 239000011574 phosphorus Substances 0.000 claims 4
- 229910052751 metal Inorganic materials 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 3
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 2
- BNDNAARXJVXTED-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]heptan-4-yl 4-methyl-7-oxabicyclo[4.1.0]heptane-4-carboxylate Chemical compound C1CC2OC2CC1OC(=O)C1(C)CC2OC2CC1 BNDNAARXJVXTED-UHFFFAOYSA-N 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 230000002411 adverse Effects 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 239000002199 base oil Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 229910052793 cadmium Inorganic materials 0.000 claims 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000004035 construction material Substances 0.000 claims 1
- 238000006731 degradation reaction Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 230000007246 mechanism Effects 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 239000010802 sludge Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000002195 synergetic effect Effects 0.000 claims 1
- 125000003107 substituted aryl group Chemical group 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 125000002947 alkylene group Chemical group 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 125000000547 substituted alkyl group Chemical group 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 125000000853 cresyl group Chemical group C1(=CC=C(C=C1)C)* 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Chemical group 0.000 description 3
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 3
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-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
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 239000000370 acceptor Substances 0.000 description 2
- 125000004423 acyloxy group Chemical group 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N malic acid Chemical compound OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 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
- KOWVWXQNQNCRRS-UHFFFAOYSA-N tris(2,4-dimethylphenyl) phosphate Chemical compound CC1=CC(C)=CC=C1OP(=O)(OC=1C(=CC(C)=CC=1)C)OC1=CC=C(C)C=C1C KOWVWXQNQNCRRS-UHFFFAOYSA-N 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- 125000005023 xylyl group Chemical group 0.000 description 2
- UUBPRIUBEQJUQL-UHFFFAOYSA-N (1-methylcyclohexyl)methanol Chemical compound OCC1(C)CCCCC1 UUBPRIUBEQJUQL-UHFFFAOYSA-N 0.000 description 1
- PXZZRISEDBDRLY-UHFFFAOYSA-N (2-tert-butylphenyl) dihydrogen phosphate Chemical compound CC(C)(C)C1=CC=CC=C1OP(O)(O)=O PXZZRISEDBDRLY-UHFFFAOYSA-N 0.000 description 1
- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 description 1
- GYSCBCSGKXNZRH-UHFFFAOYSA-N 1-benzothiophene-2-carboxamide Chemical compound C1=CC=C2SC(C(=O)N)=CC2=C1 GYSCBCSGKXNZRH-UHFFFAOYSA-N 0.000 description 1
- QNRJIDVRQZIUDT-UHFFFAOYSA-N 10-ethyl-1,2-dioctylphenothiazine Chemical compound C(C)N1C2=CC=CC=C2SC=2C=CC(=C(C12)CCCCCCCC)CCCCCCCC QNRJIDVRQZIUDT-UHFFFAOYSA-N 0.000 description 1
- YTTWDTVYXAEAJA-UHFFFAOYSA-N 2,2-dimethyl-hexanoic acid Chemical compound CCCCC(C)(C)C(O)=O YTTWDTVYXAEAJA-UHFFFAOYSA-N 0.000 description 1
- MALIONKMKPITBV-UHFFFAOYSA-N 2-(3-chloro-4-hydroxyphenyl)-n-[2-(4-sulfamoylphenyl)ethyl]acetamide Chemical compound C1=CC(S(=O)(=O)N)=CC=C1CCNC(=O)CC1=CC=C(O)C(Cl)=C1 MALIONKMKPITBV-UHFFFAOYSA-N 0.000 description 1
- 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 1
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 1
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 1
- MDWVSAYEQPLWMX-UHFFFAOYSA-N 4,4'-Methylenebis(2,6-di-tert-butylphenol) Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 MDWVSAYEQPLWMX-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- KCLJHKVTILZQIS-UHFFFAOYSA-N C(CCCCCCCC)C1=C(C=CC=C1)CC(CCCC)CC Chemical compound C(CCCCCCCC)C1=C(C=CC=C1)CC(CCCC)CC KCLJHKVTILZQIS-UHFFFAOYSA-N 0.000 description 1
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 description 1
- GHVNFZFCNZKVNT-UHFFFAOYSA-N Decanoic acid Natural products CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 1
- UUGLJVMIFJNVFH-UHFFFAOYSA-N Hexyl benzoate Chemical compound CCCCCCOC(=O)C1=CC=CC=C1 UUGLJVMIFJNVFH-UHFFFAOYSA-N 0.000 description 1
- QAPVYZRWKDXNDK-UHFFFAOYSA-N P,P-Dioctyldiphenylamine Chemical compound C1=CC(CCCCCCCC)=CC=C1NC1=CC=C(CCCCCCCC)C=C1 QAPVYZRWKDXNDK-UHFFFAOYSA-N 0.000 description 1
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 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 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- DHOMYZQNKRFTOI-UHFFFAOYSA-N [2-(dihydroxyphosphanyloxymethyl)-3-hydroxy-2-(hydroxymethyl)propyl] heptanoate Chemical compound CCCCCCC(=O)OCC(CO)(CO)COP(O)O DHOMYZQNKRFTOI-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 150000004074 biphenyls Chemical class 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- JUUYWGCFPAMXFL-UHFFFAOYSA-N butyl octyl propyl phosphate Chemical compound CCCCCCCCOP(=O)(OCCC)OCCCC JUUYWGCFPAMXFL-UHFFFAOYSA-N 0.000 description 1
- 229940072282 cardura Drugs 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- NZNMSOFKMUBTKW-UHFFFAOYSA-M cyclohexanecarboxylate Chemical compound [O-]C(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-M 0.000 description 1
- 125000005266 diarylamine group Chemical group 0.000 description 1
- CTTCZBKJMPEKKT-UHFFFAOYSA-N dibutyl octyl phosphate Chemical compound CCCCCCCCOP(=O)(OCCCC)OCCCC CTTCZBKJMPEKKT-UHFFFAOYSA-N 0.000 description 1
- HQCWJLAXYCXXKX-UHFFFAOYSA-N dihexyl octyl phosphate Chemical compound CCCCCCCCOP(=O)(OCCCCCC)OCCCCCC HQCWJLAXYCXXKX-UHFFFAOYSA-N 0.000 description 1
- 238000006471 dimerization reaction Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- KWKXNDCHNDYVRT-UHFFFAOYSA-N dodecylbenzene Chemical compound CCCCCCCCCCCCC1=CC=CC=C1 KWKXNDCHNDYVRT-UHFFFAOYSA-N 0.000 description 1
- RUZYUOTYCVRMRZ-UHFFFAOYSA-N doxazosin Chemical compound C1OC2=CC=CC=C2OC1C(=O)N(CC1)CCN1C1=NC(N)=C(C=C(C(OC)=C2)OC)C2=N1 RUZYUOTYCVRMRZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- LIQQCWRJOJCVDF-UHFFFAOYSA-N hexyl dipropyl phosphate Chemical compound CCCCCCOP(=O)(OCCC)OCCC LIQQCWRJOJCVDF-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 229940117969 neopentyl glycol Drugs 0.000 description 1
- 229960002446 octanoic acid Drugs 0.000 description 1
- GFGCSZGUXUUBCM-UHFFFAOYSA-N octyl dipropyl phosphate Chemical compound CCCCCCCCOP(=O)(OCCC)OCCC GFGCSZGUXUUBCM-UHFFFAOYSA-N 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 230000003606 oligomerizing effect Effects 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920001490 poly(butyl methacrylate) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920005567 polycyclic polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000011885 synergistic combination Substances 0.000 description 1
- 150000001911 terphenyls Chemical class 0.000 description 1
- JZALLXAUNPOCEU-UHFFFAOYSA-N tetradecylbenzene Chemical compound CCCCCCCCCCCCCCC1=CC=CC=C1 JZALLXAUNPOCEU-UHFFFAOYSA-N 0.000 description 1
- SFENPMLASUEABX-UHFFFAOYSA-N trihexyl phosphate Chemical compound CCCCCCOP(=O)(OCCCCCC)OCCCCCC SFENPMLASUEABX-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- RXPQRKFMDQNODS-UHFFFAOYSA-N tripropyl phosphate Chemical class CCCOP(=O)(OCCC)OCCC RXPQRKFMDQNODS-UHFFFAOYSA-N 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- 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
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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Description
Die Erfindung betrifft somit eine hydraulische Flüssigkeit, die dadurch gekennzeichnet ist, dass sie neben einer in überwiegender Menge vorhandenen Grundflüssigkeit eine geringe Menge eines Gemisches aus einem Cycloalkylepoxid oder einem Epoxid der Formel I
(I),
worin R1 -(CH2)-qT3—C(0)0R, -OR, -CH2OR oder
616957
(CHe)-
0-10
-o-o tt o
und R einen Alkylrest mit 1 bis 12 Kohlenstoffatomen darstellen, R2 die gleiche Bedeutung wie Ri besitzt oder Wasserstoff oder einen Alkylrest mit 1 bis 9 Kohlenstoffatomen und n und m eine Zahl von 3 bis 8 bedeuten und einem Phenylnaphthylamin, das pro aromatischen Ring einen Substituenten aus der Gruppe Alkyl, Aryl, Alkaryl oder Aralkyl mit 1 bis 16 Kohlenstoffatomen tragen kann. Im folgenden werden unter dem Begriff Cycloalkylepoxid auch die Verbindungen I verstanden.
Bevorzugte Epoxidverbindungen 3,4-Epoxy-cycloalkylcar-boxylate. Repräsentativ für diese Verbindungsklasse ist das 3,4-Epoxy-cyclohexy-methyl-3,4-epoxycyclohexan-carboxylat, das besonders bevorzugt wird und die folgende Formel besitzt:
<0
CH2—o—c-
o
Die Phenylnaphthylamine können durch folgende Formel wiedergegeben werden:
20
25
30
t 1
worin R', R" und R'", die gleich oder verschieden sein können, Wasserstoff, Alkyl, Aryl, Alkaryl oder Aralkyl mit 1 bis 16 Kohlenstoffatomen darstellen.
Bevorzugte Verbindungen dieser Klasse sind Phenyl-a-naphthylamin, octyliertes Phenyl-a-naphthylamin (mit Dissobu-tylen im Molverhältnis 1:1 bis 3 :1 alkyliertes Phenyl-a-naph-thylamin), Dioctylphenyl-a-naphthylamin, Trioctylphenyl-a-naphthylamin und dergleichen.
Die Konzentration an Cycloalkylepoxid und Phenylnaphthylamin in der hydraulischen Flüssigkeit wird auf das jeweilige System abgestimmt, derart, dass zur Verhinderung eines Säureanstiegs ausreichende Mengen vorhanden sind. Es wurde gefunden, dass die zur Inhibierung und Steuerung des Säureanstiegs in einer Grundflüssigkeit benötigte Konzentration an Cycloalkylepoxid und Phenylnaphthylamin in Abhängigkeit von der Grundflüssigkeit oder dem Gemisch von Grundflüssigkeiten variiert. Da Cycloalkylepoxid und Phenylnaphthylamin der Flüssigkeit in zur Verhütung eines Säureanstiegs ausreichenden Mengen zuzugeben sind, und die Flüssigkeitseigenschaften durch Zusatz von Fremdstoffen verändert werden, erwies es sich im allgemeinen als vorteilhaft, die gesamte Zusatzmenge von Cycloalkylepoxid und Phenylnaphthylamin im Bereich von 0,10 bis 5,0 Gew.-% der gesamten Flüssigkeit zu halten, obgleich auch eine Additivkonzentration von 10,0 Gew.-% wirksam ist und in den Rahmen der vorliegenden Erfindung fällt. Das Verhältnis von Epoxid zu sekundärem Diaryl-- amin kann im Bereich von 1:10 bis 10:1 Gew.-Teilen und vorzugsweise bei etwa 1:1 Gew.-Teilen liegen.
Gegenstand der vorliegenden Erfindung ist weiterhin die 5 Verwendung der genannten bevorzugten Gemische zur Bekämpfung der Säurebildung in hydraulischen Flüssigkeiten. Die erfindungsgemässe hydraulische Flüssigkeit kann in beliebiger, dem Fachmann bekannter Weise formuliert werden, indem man beispielsweise Cycloalkylepoxid und Phenylnaph-10 thylamin in beliebiger Reihenfolge oder zusammen zur Grundflüssigkeit zugibt und rührt, bis eine homogene fliessfähige Masse erhalten worden ist.
Für die Zwecke der vorliegenden Erfindung eignen sich als Grundflüssigkeiten Ester und Amide einer Phosphorsäure, die 15 durch folgende Formel wiedergegeben werden können:
O
II
R — (Y)a— P— (Yi)c— R2
(Y2)b !
Ri worin Y Sauerstoff, Schwefel oder den Rest
I5
-N-
Yi Sauerstoff, Schwefel oder den Rest
I4
-N-
und Y2 Sauerstoff, Schwefel oder den Rest h
—N-
« darstellen und R, Ri, R2, R3, Ri und Rs Alkyl-, Aryl-, substituierte Aryl- oder substituierte Alkylreste mit 1 bis 30 Kohlenstoffatomen bedeuten, wobei R, Ri, R2, R3, R4 und Rs gleich oder verschieden sein können; a, b und c bedeuten die ganzen Zahlen 0 oder 1, und die Summe aus a + b + c beträgt 1 bis 3.
Typische Beispiele substituierter Alkylreste sind die Halo-genalkylreste der Formel:
?6
Val2n+ï-mH.nC(Hal>2?-
*7
worin Hai ein Halogen, m eine Zahl gleich oder weniger 2n+1, n 60 eine Zahl von 0 bis 18 und Re und R7 Wasserstoff, Halogen oder Alkylreste bedeuten. Die halogenierten Alkylreste können primär, sekundär oder tertiär sein.
Typische Beispiele für Aryl- und substituierte Arylreste sind der Phenyl-, Cresyl-und Xylylrest, halogenierte Phenyl-, Cresyl-65 und Xylylreste, bei welchen der am Aryl- oder substituierten Arylrest verfügbare Wasserstoff teilweise oder vollständig durch ein Halogen ersetzt ist, der o-, m- und p-Trifluormethyl-phenyl-, o-, m- und p-2,2,2-TrifluoräthyIphenyl-, o-, m- und p-3,3,3-
40
50
55
616957
Trifluorpropylphenyl- und o-, m- und p-4,4,4-Trifluorbutylphe-nylrest.
Als Grundflüssigkeit geeignete Dicarbonsäureester werden durch die Formel:
0
il
0
H
e20 - 0 - 0 - B21 -.0 - 0 - E22
10
wiedergegeben, worin R20 und R22 jeweils Alkyl, substituiertes Alkyl, Aryl oder substituiertes Aryl und R21 einen zweiwertigen Alkylen- oder substituierten Alkylenrest darstellen. Sie werden erhalten durch Verestern von Dicarbonsäuren wie Adipinsäure, Azelainsäure, Korksäure, Sebacinsäure, Hydroxybern-steinsäure, Fumarsäure, Maleinsäure und dergleichen, und zwar mit Alkoholen wie zum Beispiel Butylalkohol, Hexylalko-hol, 2-Äthylhexylalkohol, Dodecylalkohol, 2,2-Dimethylh",pta-nol, 1-Methylcyclohexylmethanol und dergleichen.
Typische Beispiele für Alkyl-, Aryl-, substituierte Alkyl- und substituierte Arylreste sind vorstehend erwähnt.
Als Grundflüssigkeit geeignete Polyester besitzen die Formel:
15
0
II
0 - C - R
t ch2
1
24
R23—(-C - 0^-3» CH2 -
c - ch2
I
CH2
t
0
1
c = 0
t
R25
2
25
30
.R.2e
35
40
45
worin R23 Wasserstoff oder einen Alkylrest, R24 und R25 Alkyl, substituiertes Alkyl-, Aryl oder substituiertes Aryl, a die Zahl 0 oder 1 und Z die Zahl 1 oder 2 darstellen, wobei, wenn Z ist = 1, 50 R26 Wasserstoff, Alkyl, Acyloxy oder substituiertes Acyloxy bedeutet und wenn Z ist = 2 Ras Sauerstoff darstellt. Sie werden erhalten durch Verestern von Polyalkoholen wie Pentaerythrit, Dipentaerythrit, Trimethylolpropan, Trimethyloläthan und Neopentylglycol mit Säuren wie Propionsäure, Buttersäure, 55 Isobuttersäure, n-Valeriansäure, Capronsäure, n-Heptylsäure, Caprylsäure, 2-Äthylhexansäure, 2,2-Dimethylheptansäure und Pelargonsäure. Typische Beispiele für Alkyl-, substituierter Alkyl-, Aryl- und substituierter Arylreste sind vorstehend erwähnt.
Weitere, in der Grundflüssigkeit geeignete Ester sind die Monoester.
Geeignete Grundflüssigkeiten sind ferner Kohlenwasserstofföle einschliesslich Mineralöle aus Erdöl und synthetische Kohlenwasserstofföle. Die physikalischen Eigenschaften funktioneller Flüssigkeiten aus einem Mineralöl werden auf der Grundlage der Erfordernisse des Flüssigkeitssystems ausgewählt, und daher umfasst vorliegende Erfindung Ausführungs60
65
formen mit Grundflüssigkeiten aus Mineralölen verschiedenster Viskositäten und Flüchtigkeiten, zum Beispiel naphtheni-schen, paraffinischen und gemischten Mineralölen.
Zu den synthetischen Kohlenwasserstoffölen gehören die durch Oligomerisierung von Olefinen wie Polybutenen erhaltenen Öle, sowie Öle, die man durch Säure-katalysierte Dimerisie-rung und Oligomerisierung mit Trialuminiumalkylen als Katalysatoren aus höheren a-Olefinen mit 8 bis 20 Kohlenstoffatomen erhält.
In den Rahmen vorliegender Erfindung fällt auch die Verwendung von Gemischen aus zwei oder mehreren der vorstehend beschriebenen Grundflüssigkeiten.
Die erfindungsgemässen hydraulischen Flüssigkeiten können auch Farbstoffe, Stockpunktserniedriger, Antischäummit-tel, Verbesserer des Viskositätsindex wie Polyalkylacrylate, Polyalkylmethacrylate, polycyclische Polymere, Polyurethane, Polyalkylenoxide und Polyester, Schmiermittel, Wasser und dergleichen enthalten.
Es ist ferner vorgesehen, dass die vorstehend genannten Grundflüssigkeiten einzeln oder in flüssigen Mischungen enthaltend zwei oder mehrere Grundflüssigkeiten in verschiedenen Mengenverhältnissen verwendet werden können. Die Grundflüssigkeit kann ferner zusätzliche Flüssigkeiten enthalten, wozu geeignete Flüssigkeiten aus Kohleprodukten, Syntheseprodukten und synthetischen Ölen gehören, zum Beispiel Alkylenpolymere (wie Polymere des Propylen, Butylen und dergleichen und deren Mischungen), Alkylenoxid-Polymere (zum Beispiel Propylenoxid-Polymere) und Derivate, einschliesslich Alkylenoxidpolymere, die durch Polymerisieren des Alkylen-oxids in Gegenwart von Wasser oder Alkohol, zum Beispiel Äthylalkohol, hergestellt worden sind, ferner Alkylbenzole (zum Beispiel Monoalkylbenzole wie Dodecylbenzol, Tetrade-cylbenzol und dergleichen) und Dialkylbenzole (zum Beispiel n-Nonyl-2-äthylhexyl-benzol) und Polyphenyle (zum Beispiel Biphenyle und Terphenyle).
Gemäss einer bevorzugten Ausführungsform der Erfindung werden das Cycloalkylepoxid und das Phenylnaphthylamin mit einer hydraulischen Grundflüssigkeit aus einem Phosphat vereinigt. Die Grundflüssigkeit besteht vorwiegend aus Trialkyl-phosphaten, die in einer Gewichtsmenge von 50 bis 95 und vorzugsweise von 60 bis 90% vorliegen. Die besten Ergebnisse liefern Trialkylphosphate, bei welchen jeder Alkylrest 1 bis 20 und vorzugsweise 3 bis 12, besonders bevorzugt 4 bis 9 Kohlenstoffatome aufweist. Die Alkylreste sind vorzugsweise geradkettig. Ein Trialkylphosphat kann den gleichen Alkylrest in sämtlichen drei Stellungen oder ein Gemisch verschiedener Alkylreste enthalten. Auch Gemische verschiedener Trialkylphosphate können verwendet werden. Zu den zur Verwendung als Grundflüssigkeiten geeigneten Trialkylphosphaten gehören Tripropyl-phosphate, Tributylphosphat, Trihexylphosphat, Trioctylpho-sphat, Dipropyloctyl-phosphat, Dibutyl-octyl-phosphat, Dipro-pyl-hexyl-phosphat, Dihexyl-octyl-phosphat, Dihexyl-propyl-phosphat und Propyl-butyl-octyl-phosphat.
Die Trialkylphosphate können mit Triarylphosphaten kombiniert werden. Bevorzugte Triarylphosphate sind Cresyl-diphenyl-phosphate, Tricresylphosphat, Trixylenylphosphat, tert.-Butylphenylphosphat,Äthyl-phenyl-dicresyl-phosphat oder Isopropylphenyl-diphenyl-phosphat und Phenyl-bis(4-a-methyl-benzylphenyl>phosphat. Gemäss einer bevorzugten Ausführungsform wird eine Grundflüssigkeit verwendet, die hauptsächlich Trixylenylphosphat enthält. Die Triarylphosphate dienen als Verdickungsmittel für die Trialkylphosphate. Die Menge an Triarylphosphat kann daher etwa 0 bis etwa 35 Gew.-% betragen. Die bevorzugte Menge an Triarylphosphaten liegt bei etwa 5 bis etwa 30 Gew.-% der Mischung.
Dem Gemisch aus Trialkyl- und Triarylphosphat können konventionelle polymere Verdickungsmittel und Mittel zur Verbesserung des Viskositätsindex beigegeben werden, die die
616957
erwünschte Viskosität liefern. Typische, erfindungsgemäss geeignete Verdickungsmittel sind Polyacrylate, Polymethacry-late, Polyäthylenoxide, Polypropylenoxide, Polyester und dergleichen.
Vorzugsweise verwendet man zum Verbessern des Viskositätsindex einen Polyester auf der Basis von Azelainsäure und einem Diol in einer Menge von 0,3 bis 20 Gew.-%.
Dem Gemisch können Korrosionsinhibitoren wie Benzotriazol, Chinizarin oder dergleichen in Mengen im Bereich von 0,001 bis 0,5 Gew.-% zugesetzt werden. Ein Farbstoff kann im Konzentrationsbereich von 5 bis 20 ppm in konventioneller Weise zugemischt werden. Auch wirksame Mengen eines Sili-kon-Antischäummittels können der Mischung zugesetzt werden, wobei gewöhnlich beste Wirkung bei Mengen zwischen 5 und 50 ppm erzielt wird. Die erfindungsgemässen hydraulischen Flüssigkeiten können bis zu etwa 1 Gew.-% Wasser enthalten. Vorzugsweise sollte die Wassermenge jedoch unterhalb 0,6 Gew.-%, und besonders bevorzugt unterhalb 0,3 Gew.-% gehalten werden.
Experimentell wurde festgestellt, dass nach Zumischen des erfindungsgemäss vorgesehenen Cycloalkylepoxids und Phe-nylnaphthylamins in den geeigneten Mengen zu den vorstehenden bevorzugten funktionellen Flüssigkeiten deren Eigenschaften bekannten handelsüblichen hydraulischen Flüssigkeiten überlegen sind.
Im folgenden Beispiel beziehen sich sämtliche Teile und Prozentangaben auf das Gewicht, falls nichts anderes gesagt wird.
Beispiel
Proben aus Grundflüssigkeit wurden hergestellt, die aus etwa 68% Tributylphosphat, 19% gemischten Arylphosphaten mit einer Viskosität von ca. 150 Saybolt Universal Sekunden (SUS), 12% eines Polybutylmethacrylats (zum Verbessern des Viskositätsindex), 0,5% Wasser, 0,02% Benzotriazol (Metallde-aktivator) und einem Rostinhibitor aus einer Alkylbernstein-säure bestanden, wozu 1% 3,4-Epoxycyclohexylmethyl-3,4-epo-xycyclohexancarboxylat und 1 Gew.-% folgender Antioxidantien zugesetzt wurden:
Antioxidationsmittel
Gesamtsäurezahl
(mg KOH/g) nach
d.Test kein
200
«Äthyl 702» (sterisch gehindertes
73
Bisphenol)
Pentaerythrit-phosphit-heptanoat
83
Octyliertes Phenyl-a-naphthylamin
10
N-Äthyl-dioctyl-phenothiazin
59
«Vanlube 81» (substituiertes
95
Diphenylamin)
Phenyl-a-naphthylamin
0,3
Obige Versuche zeigen, dass das Phenyl-a-naphthylamin die Formulierung in Gegenwart des Cycloalkylepoxids am stärksten stabilisiert
In einer Reihe ähnlicher Oxidationstests, die an einem Gemisch aus ca. 79 Gew.-% Tributylphosphat, 10 Gew.-% gemischten Cresyl- und Xylenylphosphaten, 9 Gew.-% eines Polyester-Verdickungsmittels («Plastolein 9789», Handelsprod. der Emery Industries), 1 Gew.-% Phenyl-a-naphthylamin und 0,02 Gew.-% Benzotriazol sowie etwa 0,25 Gew.-% Wasser durchgeführt wurden, wurden folgende Ergebnisse mit 1,0 Gew.-% verschiedener Epoxid-Säureakzeptoren erzielt:
Säureakzeptor
Gesamtsäurezahl
(mg KOH/g)
nach d.Test
«Epoxide 8» (Herst. Procter &
134
Gamble)
«Shell Cardura E» (Glycidylester der
194
Decansäure)
Phenylglycidyläther
155
3,4-Epoxycyclohexylmethyl-3,4-epoxy-
0,3
cyclohexancarboxylat
kein
200
Obige Ergebnisse zeigen, zusammen mit den vorangehenden Werten dieses Beispiels, dass Phenyl-a-naphthylamin und 3,4-Epoxycyclohexylmethyl-3,4-epoxycyclohexancarboxylat eine hervorragende synergistische Additivkombination zur Stabilisierung von Phosphatestern darstellen.
6
5
10
15
20
25
30
35
40
Claims (31)
- 616957 2PATENTANSPRÜCHE flüssigkeit (1) eine geringe Menge eines Gemisches (2) aus1. Hydraulische Flüssigkeit, dadurch gekennzeichnet, dass einem Cycloalkylepoxid oder einem Epoxid der Formel I sie neben einer in überwiegender Menge vorhandenen Grund-worin Ri -(CH2) 0-3 C(0)0R, -OR, -CH2OR oder(CH2)-r0-10-o-c-IIo und R einen Alkylrest mit 1 bis 12 Kohlenstoffatomen darstellen, R2 die gleiche Bedeutung wie Ri besitzt oder Wasserstoff oder einen Alkylrest mit 1 bis 9 Kohlenstoffatomen und n und m eine Zahl von 3 bis 8 bedeuten und einem Phenylnaphthyl-amin, das pro aromatischen Ring einen Substituenten aus der Gruppe Alkyl, Aryl, Alkaryl oder Aralkyl mit 1 bis 16 Kohlenstoffatomen tragen kann, enthält.
- 2. Hydraulische Flüssigkeit nach Anspruch 1, dadurch gekennzeichnet, dass die Grundflüssigkeit mindestens einen Ester oder ein Amid einer Säure des Phosphors, Mineralöl, synthetisches Kohlenwasserstofföl, Monoester, Dicarbonsäure-ester, Ester mehrwertiger Hydroxylverbindungen oder Gemische davon enthält.
- 3. Hydraulische Flüssigkeit nach Anspruch 1, dadurch gekennzeichnet, dass die Grundflüssigkeit einen Ester einer Säure des Phosphors enthält.
- 4. Hydraulische Flüssigkeit nach Anspruch 3, dadurch gekennzeichnet, dass der Ester der Phosphorsäure ein Trialkyl-phosphat ist.
- 5. Hydraulische Flüssigkeit nach Anspruch 3, dadurch gekennzeichnet, dass der Ester der Phosphorsäure ein Triaryl-phosphat ist.
- 6. Hydraulische Flüssigkeit nach Anspruch 3, dadurch gekennzeichnet, dass die Grundflüssigkeit ein Gemisch aus Trialkylphosphaten und Triarylphosphaten ist.
- 7. Hydraulische Flüssigkeit nach Anspruch 6, dadurch gekennzeichnet, dass die Trialkylphosphate in einer Menge von 50 bis 95 Gew.-% und die Triarylphosphate in einer Menge bis zu 35 Gew.-% vorliegen.
- 8. Hydraulische Flüssigkeit nach Anspruch 1, dadurch gekennzeichnet, dass die Gesamtmenge an Cycloalkylepoxid oder der Verbindung I und Phenylnaphthylamin 0,1 bis 10 Gew.-% beträgt.
- 9. Hydraulische Flüssigkeit nach Anspruch 3, dadurch gekennzeichnet, dass sie als Verbindung I ein Epoxycycloalkyl-carboxylat enthält.
- 10. Hydraulische Flüssigkeit nach Anspruch 3, dadurch gekennzeichnet, dass sie als Phenylnaphthylamin Phenyl-a-naphthylamin enthält.
- 11. Hydraulische Flüssigkeit nach Anspruch 3, dadurch gekennzeichnet, dass sie als Verbindung 13,4-Epoxycyclohexyl-methyl-3,4-epoxycyclohexancarboxylat und als Phenylnaphthylamin Phenyl-a-naphthylamin enthält.25
- 12. Hydraulische Flüssigkeit nach Anspruch 3, gekennzeichnet durch ein Verdickungsmittel oder ein Mittel zur Verbesserung des Viskositätsindex.
- 13. Hydraulische Flüssigkeit nach Anspruch 12, gekenn-30 zeichnet durch einen Farbstoff und ein Schaumverhütungsmittel.
- 14. Hydraulische Flüssigkeit nach Anspruch 13, gekennzeichnet durch den Gehalt eines Korrosionsinhibitors.
- 15. Hydraulische Flüssigkeit nach Anspruch 14, dadurch35 gekennzeichnet, dass sie als Korrosionsinhibitor Benzotriazol enthält.
- 16. Hydraulische Flüssigkeit nach Anspruch 1, welche für die Luftfahrt geeignet ist, enthaltend eine Grundflüssigkeit (1) aus mindestens einem Ester oder einem Amid einer Säure des4<> Phosphors oder Gemischen davon, gekennzeichnet durch 0,1 bis 10 Gew.-% eines Gemisches (2), welches ein Cycloalkylepoxid oder eine Verbindung I und ein Phenylnaphthylamin im Gewichtsverhältnis von 1:10 bis 10:1 enthält.
- 17. Hydraulische Flüssigkeit nach Anspruch 16, dadurch45 gekennzeichnet, dass sie als Verbindung I ein Epoxycycloalkyl-carboxylat enthält.
- 18. Hydraulische Flüssigkeit nach Anspruch 16, dadurch gekennzeichnet, dass sie als Phenylnaphthylamin Phenyl-a-naphthylamin enthält.50 19. Hydraulische Flüssigkeit nach Anspruch 16, gekennzeichnet durch ein Mittel zur Verbesserung des Viskositätsindex.
- 20. Hydraulische Flüssigkeit nach Anspruch 16, gekennzeichnet durch einen Gehalt eines Rostinhibitors.
- 21. Hydraulische Flüssigkeit nach Anspruch 17, dadurch gekennzeichnet, dass sie als Epoxycycloalkylcarboxylat 3,4-Epoxycyclohexylmethyl-3,4-epoxycyclohexancarboxylat enthält.
- 22. Hydraulische Flüssigkeit nach Anspruch 16, dadurch60 gekennzeichnet, dass sie als Korrosionsinhibitor Benzotriazol oder Chinizarin enthält.
- 23. Hydraulische Flüssigkeit nach Anspruch 22, dadurch gekennzeichnet, dass sie als Korrosionsinhibitor Benzotriazol enthält.
- 24. Hydraulische Flüssigkeit nach Anspruch 16, dadurch gekennzeichnet, dass sie als Grundflüssigkeit einen Ester einer Phosphorsäure enthält.
- 25. Hydraulische Flüssigkeit nach Anspruch 24, dadurch5565616957to gekennzeichnet, dass sie als Phosphorsäureester ein Trialkyl-phosphat enthält.
- 26. Hydraulische Flüssigkeit nach Anspruch 24, dadurch gekennzeichnet, dass sie als Phosphorsäureester ein Gemisch aus Trialkylphosphaten und Triarylphosphaten enthält.
- 27. Hydraulische Flüssigkeit nach Anspruch 26, dadurch gekennzeichnet, dass die Trialkylphosphate in einer Menge von 50 bis 95 Gew.-% und die Triarylphosphate in einer Menge bis zu 35 Gew.-% vorliegen.
- 28. Hydraulische Flüssigkeit nach Anspruch 24, dadurch gekennzeichnet, dass sie als Phosphorsäureester ein Gemisch aus einem Trialkylphosphat und einem Alkyldiarylphosphat oder Dialkylarylphosphat enthält.
- 29. Hydraulische Flüssigkeit nach Anspruch 16, dadurch gekennzeichnet, dass das Gemisch (2) in einer Menge von 0,1 bis 5 Gew.-% vorliegt.
- 30. Verwendung des Erzeugnisses nach Anspruch 16 als hydraulische Flüssigkeit in der Luftfahrt.
- 31. Verwendung nach Anspruch 30, dadurch gekennzeichnet, dass das Gemisch (2) als Verbindung I ein Epoxycycloalkyl- 20 carboxylat und als Phenylnaphthylamin Phenyl-a-naphthylamin enthält.
- 32. Verwendung nach Anspruch 31, dadurch gekennzeichnet, dass das Gemisch (2) als Epoxycycloalkylcarboxylat 3,4-Epoxycyclohexylmethyl-3,4-epoxycyclohexancarboxylat 25 enthält.1530Zur Kraftübertragung in verschiedenen hydraulischen Systemen sind bereits zahlreiche Flüssigkeiten bekannt, einschliesslich solcher, die für die hydraulischen Systeme von Luft-35 fahrzeugen vorgesehen sind. Die hydraulische Kraftanlage eines Flugzeugs und bestimmter industrieller Systeme, die verschiedene Mechanismen betrieben, stellt hohe Anforderungen an die verwendete hydraulische Flüssigkeit. Die hydraulische Flüssigkeit muss nicht nur die funktionellen und durch die Verwendung bedingten Anforderungen erfüllen, sondern sie sollte ausserdem hinreichend unentzündlich sein, so dass sie die Anforderungen des Feuerschutzes befriedigt. In bestimmten Fällen müssen die Viskositätseigenschaften einer derartigen Flüssigkeit so sein, dass man sie innerhalb eines breiten Temperaturbereichs verwenden kann; das bedeutet angemessene Viskosität bei hohen Temperaturen, niedrige Viskosität bei niedrigen Temperaturen und geringe Veränderung der Viskosität mit der Temperatur. Der Stockpunkt sollte niedrig sein. Die Flüchtigkeit sollte bei erhöhten Verwendungstemperaturen ebenfalls 50 niedrig sein; d. h., dass eine selektive Verdunstung oder Verflüchtigung einer wichtigen Komponente bei hohen Verwendungstemperaturen nicht stattfinden sollte. Sie muss ausreichende Schmiereigenschaften und mechanische Stabilität4045besitzen, um in hydraulischen Systemen von Flugzeugen, die ausserordentlich harte Anforderungen stellen, verwendbar zu sein. Die Flüssigkeit muss ferner chemisch beständig sein, so dass sie chemischen Reaktionen wie der Oxidation, thermischem Abbau und dergleichen widersteht und unter den Bedingungen der Verwendung gegen einen Verlust der erwünschten Eigenschaften gefeit ist, der durch starke und plötzliche Druck-und Temperaturveränderungen, hohe Zugbeanspruchung und Kontakt mit verschiedenen Metallen wie z. B. Aluminium, Rot-guss, bestimmte Stähle, Cadmium, Magnesium und dergleichen, verursacht werden kann. Die hydraulische Flüssigkeit soll ferner Dichtungen und Packungen des hydraulischen Systems nicht zerstören oder zur Quellung bringen. Sie darf das Konstruktionsmaterial des Systems nicht nachteilig verändern, und im Fall einer Leckstelle sollte sie die verschiedenen Teile des hydraulischen Systems, mit denen sie in diesem Fall in Berührung kommen kann, nicht beschädigen.Die funktionellen bzw. hydraulischen Flüssigkeiten, zu denen die erfindungsgemäss zu verwendenden Epoxid/Phenyl-naphthylamin-Mischungen zugesetzt werden, werden als Grundflüssigkeiten bezeichnet. Sie enthalten, sind jedoch nicht begrenzt auf, Ester und Amide einer Säure des Phosphors, Grundöle aus Mineralöl und synthetischen Kohlenwasserstoffölen, Monoester, Dicarbonsäureester und Ester mehrwertiger Hydroxylverbindungen.Zahlreiche hydraulische Flüssigkeitsgemische wurden bereits vorgeschlagen. Zu den besten, bisher vorgeschlagenen Gemischen, die auch weitgehend als hydraulische Flüssigkeiten in Flugzeugen verwendet wurden, gehören Phosphatester, denen geeignete Stockpunktserniedriger, Verbesserer des Viskositätsindex, Rostinhibitoren, Korrosionsinhibitoren und dergleichen zugesetzt worden waren.In diesen Flüssigkeiten kann jedoch während der Verwendung ein unerwünschter Säureanstieg stattfinden. Wird dieser Stäureanstieg zu stark, so bricht die Grundflüssigkeit zusammen und verliert ihre Viskositätseigenschaften und dergleichen. Sie kann auch die Metallteile im hydraulischen System, die der Flüssigkeit ausgesetzt sind, angreifen. Um den Säureangriff zu verhindern, werden den funktionellen Flüssigkeitsgemischen Korrosionsinhibitoren zugegeben.Es wurde nun gefunden, dass man einer funktionellen bzw. hydraulischen Flüssigkeit verbesserte Säurestabilität verleihen kann, indem man ihr eine Kombination aus einem bestimmten Epoxid und einem Phenylnaphthylamin zusetzt. Der Zusatz von diesem Epoxid und Amin liefert, wie nachstehend offenbart, überraschenderweise synergistische Effekte hinsichtlich Säurestabilität und Viskositätsstabilität der Flüssigkeit, ohne dass nachteilige Eigenschaften wie vermehrte Schlammbildung, Metallkorrosion und dergleichen auftreten.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/441,697 US3941708A (en) | 1974-02-11 | 1974-02-11 | Hydraulic fluid antioxidant system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH616957A5 true CH616957A5 (de) | 1980-04-30 |
Family
ID=23753934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH159675A CH616957A5 (de) | 1974-02-11 | 1975-02-11 |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US3941708A (de) |
| JP (1) | JPS6038440B2 (de) |
| BE (1) | BE825339A (de) |
| CA (1) | CA1048011A (de) |
| CH (1) | CH616957A5 (de) |
| DE (1) | DE2505116C2 (de) |
| DK (1) | DK144380C (de) |
| FR (1) | FR2260616B1 (de) |
| GB (1) | GB1506197A (de) |
| IL (1) | IL46500A (de) |
| IN (1) | IN142709B (de) |
| IT (1) | IT1029650B (de) |
| NL (1) | NL7501425A (de) |
| NO (1) | NO140677C (de) |
| SE (1) | SE410006B (de) |
| SU (1) | SU652900A3 (de) |
| ZA (1) | ZA75841B (de) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4252662A (en) * | 1974-02-11 | 1981-02-24 | Stauffer Chemical Company | Functional fluids containing ammonium salts of phosphorus acids |
| US4461713A (en) * | 1983-04-01 | 1984-07-24 | Stauffer Chemical Company | Acid-resistant phosphate ester functional fluids |
| US4645615A (en) * | 1986-02-27 | 1987-02-24 | Fmc Corporation | Fire-resistant hydraulic fluid |
| JP3038062B2 (ja) * | 1991-10-15 | 2000-05-08 | 旭電化工業株式会社 | 冷凍機用潤滑剤 |
| USRE37101E1 (en) | 1992-06-11 | 2001-03-20 | Solutia Inc. | Stabilized phosphate ester-based functional fluid compositions |
| WO2000024848A1 (en) * | 1998-10-23 | 2000-05-04 | Exxonmobil Research And Engineering Company | Phosphate ester base stocks and aircraft hydraulic fluids comprising the same |
| BR9914654A (pt) | 1998-10-23 | 2001-07-03 | Exxonmobil Res & Eng Co | Composição de fluido hidráulico de aeronave, fluido hidráulico de aeronave, e, matéria prima base de éster de fosfato para o uso em fluidos hidráulicos de aeronave |
| AU5960501A (en) * | 2000-05-09 | 2001-11-20 | Solutia Inc | Functional fluid compositions containing epoxide acid scavengers |
| WO2002012777A2 (en) | 2000-08-04 | 2002-02-14 | Exxonmobil Research And Engineering Company | Method for lubricating high pressure hydraulic system using phosphate ester hydraulic fluid |
| US6717005B2 (en) | 2002-05-13 | 2004-04-06 | Akzo Nobel N.V. | Epoxy-stabilized polyphosphate compositions |
| US7470381B2 (en) * | 2003-07-25 | 2008-12-30 | Rohmax Additives Gmbh | Functional fluid and the use thereof |
| US7910529B2 (en) * | 2004-11-03 | 2011-03-22 | Solutia, Inc. | Functional fluid compositions |
| PE20131508A1 (es) | 2010-10-01 | 2014-01-16 | Tyco Fire Products Lp | Espumas acuosas para extinguir fuego con reducido contenido de fluor |
| CA2890948A1 (en) * | 2012-11-16 | 2014-05-22 | Basf Se | Lubricant compositions comprising epoxide compounds to improve fluoropolymer seal compatibility |
| EP2969054B1 (de) | 2013-03-14 | 2019-05-08 | Tyco Fire Products LP | Trimethylglycin als gefrierungsunterdrücker in brandlöschschäumen |
| CA2942778A1 (en) | 2013-03-15 | 2014-09-18 | Tyco Fire & Security Gmbh | Perfluoroalkyl composition with reduced chain length |
| AU2015240713B2 (en) | 2014-04-02 | 2019-02-14 | Tyco Fire Products Lp | Fire extinguishing compositions and method |
| EP3256224B1 (de) | 2015-02-13 | 2020-09-09 | Tyco Fire Products LP | Verwendung eines indikators als ein marker in schaumstoffkonzentraten |
| EP3429699B1 (de) | 2016-03-18 | 2021-08-18 | Tyco Fire Products LP | Polyorganosiloxanverbindungen als wirkstoffe in fluorfreien brandschutzschäumen |
| AU2017232927B2 (en) | 2016-03-18 | 2021-02-25 | Tyco Fire Products Lp | Organosiloxane compounds as active ingredients in fluorine free fire suppression foams |
| WO2018022763A1 (en) | 2016-07-29 | 2018-02-01 | Tyco Fire Products Lp | Firefighting foam compositions containing deep eutectic solvents |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB734644A (en) * | 1953-07-17 | 1955-08-03 | Shell Refining & Marketing Co | Compositions suitable for use as hydraulic fluids |
| US3019191A (en) * | 1954-09-28 | 1962-01-30 | California Research Corp | Stabilized hydraulic fluid composition |
| US2930758A (en) * | 1956-09-28 | 1960-03-29 | Texaco Inc | Ester-base lubricant containing anti-oxidant mixtures |
| US2982734A (en) * | 1957-06-14 | 1961-05-02 | Shell Oil Co | Power transmission mineral oil base fluid |
| BE596160A (de) * | 1959-10-20 | |||
| DE1644917A1 (de) * | 1966-07-05 | 1971-04-01 | Monsanto Co | Funktionelle Fluessigkeit,insbesondere Waerme- und Kraftuebertragungsfluessigkeit,sowie Additiv fuer solche Fluessigkeiten |
| GB1153546A (en) * | 1966-08-30 | 1969-05-29 | Chevron Res | Hydraulic Fluids |
| US3637507A (en) * | 1968-02-12 | 1972-01-25 | Stauffer Chemical Co | Aircraft hydraulic fluid and method of controlling acid buildup therein with acid acceptor |
| US3567644A (en) * | 1968-05-21 | 1971-03-02 | Chevron Res | Hydraulic fluid containing 1,4,5,6,7,7-hexachlorobicyclo - (2.2.1) - hept - 5-ene-2-yl-methyl alkanoate base |
| BE792993A (fr) * | 1971-12-20 | 1973-06-19 | Monsanto Co | Compositions de fluides fonctionnels contenant des stabilisantsepoxyde |
-
1974
- 1974-02-11 US US05/441,697 patent/US3941708A/en not_active Expired - Lifetime
-
1975
- 1975-01-23 IL IL46500A patent/IL46500A/en unknown
- 1975-01-29 IN IN180/CAL/75A patent/IN142709B/en unknown
- 1975-01-31 JP JP50013312A patent/JPS6038440B2/ja not_active Expired
- 1975-02-05 DK DK39175A patent/DK144380C/da active
- 1975-02-06 NL NL7501425A patent/NL7501425A/xx not_active Application Discontinuation
- 1975-02-07 BE BE7000608A patent/BE825339A/xx not_active IP Right Cessation
- 1975-02-07 IT IT48061/75A patent/IT1029650B/it active
- 1975-02-07 DE DE2505116A patent/DE2505116C2/de not_active Expired
- 1975-02-10 CA CA219,715A patent/CA1048011A/en not_active Expired
- 1975-02-10 FR FR7504032A patent/FR2260616B1/fr not_active Expired
- 1975-02-10 SE SE7501452A patent/SE410006B/xx not_active IP Right Cessation
- 1975-02-10 ZA ZA00750841A patent/ZA75841B/xx unknown
- 1975-02-10 NO NO750422A patent/NO140677C/no unknown
- 1975-02-10 SU SU752106084A patent/SU652900A3/ru active
- 1975-02-11 CH CH159675A patent/CH616957A5/de not_active IP Right Cessation
- 1975-02-11 GB GB5753/75A patent/GB1506197A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA75841B (en) | 1976-01-28 |
| AU7759875A (en) | 1976-07-29 |
| DK144380C (da) | 1982-08-02 |
| US3941708A (en) | 1976-03-02 |
| GB1506197A (en) | 1978-04-05 |
| DK144380B (da) | 1982-03-01 |
| SE7501452L (de) | 1975-08-12 |
| FR2260616B1 (de) | 1982-04-23 |
| DK39175A (de) | 1975-10-06 |
| NL7501425A (nl) | 1975-08-13 |
| IL46500A0 (en) | 1975-04-25 |
| IT1029650B (it) | 1979-03-20 |
| NO140677C (no) | 1979-10-17 |
| SU652900A3 (ru) | 1979-03-15 |
| CA1048011A (en) | 1979-02-06 |
| NO750422L (de) | 1975-08-12 |
| IL46500A (en) | 1977-06-30 |
| JPS50115181A (de) | 1975-09-09 |
| IN142709B (de) | 1977-08-20 |
| BE825339A (nl) | 1975-08-07 |
| NO140677B (no) | 1979-07-09 |
| DE2505116C2 (de) | 1985-06-20 |
| DE2505116A1 (de) | 1975-08-14 |
| SE410006B (sv) | 1979-09-17 |
| FR2260616A1 (de) | 1975-09-05 |
| JPS6038440B2 (ja) | 1985-08-31 |
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