EP0356677A1 - Lubricating oil composition - Google Patents
Lubricating oil composition Download PDFInfo
- Publication number
- EP0356677A1 EP0356677A1 EP89112951A EP89112951A EP0356677A1 EP 0356677 A1 EP0356677 A1 EP 0356677A1 EP 89112951 A EP89112951 A EP 89112951A EP 89112951 A EP89112951 A EP 89112951A EP 0356677 A1 EP0356677 A1 EP 0356677A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alkyl
- tert
- hydrogen
- butyl
- composition according
- 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 29
- 239000010687 lubricating oil Substances 0.000 title abstract description 4
- 150000001412 amines Chemical class 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims abstract description 17
- 150000004982 aromatic amines Chemical class 0.000 claims abstract description 11
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 4
- 239000011707 mineral Substances 0.000 claims abstract description 4
- 239000010705 motor oil Substances 0.000 claims abstract description 3
- -1 C7-C9-phenylalkyl Chemical group 0.000 claims description 94
- 239000001257 hydrogen Substances 0.000 claims description 40
- 229910052739 hydrogen Inorganic materials 0.000 claims description 40
- 150000001875 compounds Chemical class 0.000 claims description 35
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 22
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 claims description 21
- 150000002431 hydrogen Chemical group 0.000 claims description 21
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 18
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 17
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 16
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 15
- 239000000314 lubricant Substances 0.000 claims description 15
- 125000001931 aliphatic group Chemical group 0.000 claims description 14
- 125000006702 (C1-C18) alkyl group Chemical group 0.000 claims description 12
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- RQVGZVZFVNMBGS-UHFFFAOYSA-N n-octyl-n-phenylaniline Chemical compound C=1C=CC=CC=1N(CCCCCCCC)C1=CC=CC=C1 RQVGZVZFVNMBGS-UHFFFAOYSA-N 0.000 claims description 9
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 8
- 239000002199 base oil Substances 0.000 claims description 8
- 125000001624 naphthyl group Chemical group 0.000 claims description 8
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 7
- 125000005394 methallyl group Chemical group 0.000 claims description 6
- FXNDIJDIPNCZQJ-UHFFFAOYSA-N 2,4,4-trimethylpent-1-ene Chemical group CC(=C)CC(C)(C)C FXNDIJDIPNCZQJ-UHFFFAOYSA-N 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 125000005037 alkyl phenyl group Chemical group 0.000 claims description 5
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 5
- 239000002530 phenolic antioxidant Substances 0.000 claims description 4
- 229950000688 phenothiazine Drugs 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- XRBCRPZXSCBRTK-UHFFFAOYSA-N phosphonous acid Chemical compound OPO XRBCRPZXSCBRTK-UHFFFAOYSA-N 0.000 claims description 3
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims 1
- 239000000654 additive Substances 0.000 abstract description 11
- 239000003963 antioxidant agent Substances 0.000 abstract description 8
- 238000010525 oxidative degradation reaction Methods 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 19
- 150000003254 radicals Chemical class 0.000 description 16
- 235000019198 oils Nutrition 0.000 description 15
- 239000002253 acid Substances 0.000 description 14
- 125000001424 substituent group Chemical group 0.000 description 11
- 150000002148 esters Chemical class 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 8
- 230000006698 induction Effects 0.000 description 8
- JWUXJYZVKZKLTJ-UHFFFAOYSA-N Triacetonamine Chemical compound CC1(C)CC(=O)CC(C)(C)N1 JWUXJYZVKZKLTJ-UHFFFAOYSA-N 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- RKMGAJGJIURJSJ-UHFFFAOYSA-N 2,2,6,6-tetramethylpiperidine Chemical compound CC1(C)CCCC(C)(C)N1 RKMGAJGJIURJSJ-UHFFFAOYSA-N 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 5
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 4
- 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 4
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 4
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 4
- 125000002947 alkylene group Chemical group 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 4
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 4
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 4
- 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 4
- 125000004825 2,2-dimethylpropylene group Chemical group [H]C([H])([H])C(C([H])([H])[H])(C([H])([H])[*:1])C([H])([H])[*:2] 0.000 description 3
- TUOLXKNMFCOMGN-UHFFFAOYSA-N 2,6-diethyl-2,3,6-trimethylpiperidin-4-one Chemical compound CCC1(C)CC(=O)C(C)C(C)(CC)N1 TUOLXKNMFCOMGN-UHFFFAOYSA-N 0.000 description 3
- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 3
- 125000006024 2-pentenyl group Chemical group 0.000 description 3
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 3
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical group CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 description 3
- 125000002853 C1-C4 hydroxyalkyl group Chemical group 0.000 description 3
- 125000000041 C6-C10 aryl group Chemical group 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 3
- RSOILICUEWXSLA-UHFFFAOYSA-N bis(1,2,2,6,6-pentamethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 RSOILICUEWXSLA-UHFFFAOYSA-N 0.000 description 3
- GOJOVSYIGHASEI-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) butanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCC(=O)OC1CC(C)(C)NC(C)(C)C1 GOJOVSYIGHASEI-UHFFFAOYSA-N 0.000 description 3
- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 description 3
- 125000004063 butyryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 125000001589 carboacyl group Chemical group 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical group 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 125000002801 octanoyl group Chemical group C(CCCCCCC)(=O)* 0.000 description 3
- 229920000193 polymethacrylate Polymers 0.000 description 3
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- OLRJXMHANKMLTD-UHFFFAOYSA-N silyl Chemical compound [SiH3] OLRJXMHANKMLTD-UHFFFAOYSA-N 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- NWPIOULNZLJZHU-UHFFFAOYSA-N (1,2,2,6,6-pentamethylpiperidin-4-yl) 2-methylprop-2-enoate Chemical compound CN1C(C)(C)CC(OC(=O)C(C)=C)CC1(C)C NWPIOULNZLJZHU-UHFFFAOYSA-N 0.000 description 2
- RSGJNCQIUIMQNW-UHFFFAOYSA-N (1-ethyl-2,2,6,6-tetramethylpiperidin-4-yl) 2-hydroxybenzoate Chemical compound C1C(C)(C)N(CC)C(C)(C)CC1OC(=O)C1=CC=CC=C1O RSGJNCQIUIMQNW-UHFFFAOYSA-N 0.000 description 2
- JMUOXOJMXILBTE-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 JMUOXOJMXILBTE-UHFFFAOYSA-N 0.000 description 2
- QGWZSQSEJMBWAF-UHFFFAOYSA-N (9-acetyl-3-ethyl-8,8,10,10-tetramethyl-1,5-dioxa-9-azaspiro[5.5]undecan-3-yl)methyl acetate Chemical compound O1CC(CC)(COC(C)=O)COC11CC(C)(C)N(C(C)=O)C(C)(C)C1 QGWZSQSEJMBWAF-UHFFFAOYSA-N 0.000 description 2
- NWHNXXMYEICZAT-UHFFFAOYSA-N 1,2,2,6,6-pentamethylpiperidin-4-ol Chemical compound CN1C(C)(C)CC(O)CC1(C)C NWHNXXMYEICZAT-UHFFFAOYSA-N 0.000 description 2
- GHJUORCGZFHNKG-UHFFFAOYSA-N 1,2,2,6,6-pentamethylpiperidin-4-one Chemical compound CN1C(C)(C)CC(=O)CC1(C)C GHJUORCGZFHNKG-UHFFFAOYSA-N 0.000 description 2
- 125000002030 1,2-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([*:2])C([H])=C1[H] 0.000 description 2
- STQGDAATELZKHO-UHFFFAOYSA-N 1,3,7,7,8,9,9-heptamethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound O=C1N(C)C(=O)N(C)C11CC(C)(C)N(C)C(C)(C)C1 STQGDAATELZKHO-UHFFFAOYSA-N 0.000 description 2
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 2
- 125000001989 1,3-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([H])C([*:2])=C1[H] 0.000 description 2
- 125000004958 1,4-naphthylene group Chemical group 0.000 description 2
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 description 2
- YLNHMDBXZAIRGL-UHFFFAOYSA-N 1-(2,2,6,6-tetramethyl-4-phenylmethoxypiperidin-1-yl)prop-2-en-1-one Chemical compound C1C(C)(C)N(C(=O)C=C)C(C)(C)CC1OCC1=CC=CC=C1 YLNHMDBXZAIRGL-UHFFFAOYSA-N 0.000 description 2
- PLFCYRVZTAZAES-UHFFFAOYSA-N 1-(2-hydroxypropyl)-2,2,6,6-tetramethylpiperidin-4-ol Chemical compound CC(O)CN1C(C)(C)CC(O)CC1(C)C PLFCYRVZTAZAES-UHFFFAOYSA-N 0.000 description 2
- VLTHAKKFNPUWSB-UHFFFAOYSA-N 1-benzyl-2,2,6,6-tetramethylpiperidin-4-ol Chemical compound CC1(C)CC(O)CC(C)(C)N1CC1=CC=CC=C1 VLTHAKKFNPUWSB-UHFFFAOYSA-N 0.000 description 2
- RMSGQZDGSZOJMU-UHFFFAOYSA-N 1-butyl-2-phenylbenzene Chemical group CCCCC1=CC=CC=C1C1=CC=CC=C1 RMSGQZDGSZOJMU-UHFFFAOYSA-N 0.000 description 2
- 125000006017 1-propenyl group Chemical group 0.000 description 2
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 2
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 2
- GOWWQRAEWBATLK-UHFFFAOYSA-N 2,2,6,6-tetramethyl-1-(oxiran-2-ylmethyl)piperidin-4-ol Chemical compound CC1(C)CC(O)CC(C)(C)N1CC1OC1 GOWWQRAEWBATLK-UHFFFAOYSA-N 0.000 description 2
- IOCLFIGHHOKNTE-UHFFFAOYSA-N 2,2,6,6-tetramethyl-n-(2,2,6,6-tetramethylpiperidin-4-yl)piperidin-4-amine Chemical compound C1C(C)(C)NC(C)(C)CC1NC1CC(C)(C)NC(C)(C)C1 IOCLFIGHHOKNTE-UHFFFAOYSA-N 0.000 description 2
- VDVUCLWJZJHFAV-UHFFFAOYSA-N 2,2,6,6-tetramethylpiperidin-4-ol Chemical compound CC1(C)CC(O)CC(C)(C)N1 VDVUCLWJZJHFAV-UHFFFAOYSA-N 0.000 description 2
- LZNCZMSWGKUJRV-UHFFFAOYSA-N 2,2-dibutyl-7,7,9,9-tetramethyl-1-oxa-3,8-diazaspiro[4.5]decan-4-one Chemical compound O1C(CCCC)(CCCC)NC(=O)C11CC(C)(C)NC(C)(C)C1 LZNCZMSWGKUJRV-UHFFFAOYSA-N 0.000 description 2
- BVUXDWXKPROUDO-UHFFFAOYSA-N 2,6-di-tert-butyl-4-ethylphenol Chemical compound CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BVUXDWXKPROUDO-UHFFFAOYSA-N 0.000 description 2
- XUQNLOIVFHUMTR-UHFFFAOYSA-N 2-[[2-hydroxy-5-nonyl-3-(1-phenylethyl)phenyl]methyl]-4-nonyl-6-(1-phenylethyl)phenol Chemical compound OC=1C(C(C)C=2C=CC=CC=2)=CC(CCCCCCCCC)=CC=1CC(C=1O)=CC(CCCCCCCCC)=CC=1C(C)C1=CC=CC=C1 XUQNLOIVFHUMTR-UHFFFAOYSA-N 0.000 description 2
- XNYKZVIOOQMZGY-UHFFFAOYSA-N 2-butyl-7,7,9,9-tetramethyl-1-oxa-4,8-diazaspiro[4.5]decan-3-one Chemical compound N1C(=O)C(CCCC)OC11CC(C)(C)NC(C)(C)C1 XNYKZVIOOQMZGY-UHFFFAOYSA-N 0.000 description 2
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 description 2
- 125000006040 2-hexenyl group Chemical group 0.000 description 2
- QNZKGCJBPSSIGR-UHFFFAOYSA-N 2-methyl-n-(1,2,2,6,6-pentamethylpiperidin-4-yl)prop-2-enamide Chemical compound CN1C(C)(C)CC(NC(=O)C(C)=C)CC1(C)C QNZKGCJBPSSIGR-UHFFFAOYSA-N 0.000 description 2
- OWTCCRCIUNUOOM-UHFFFAOYSA-N 3,7,7,8,9,9-hexamethyl-1,4-dioxa-8-azaspiro[4.5]decane Chemical compound O1C(C)COC11CC(C)(C)N(C)C(C)(C)C1 OWTCCRCIUNUOOM-UHFFFAOYSA-N 0.000 description 2
- VZXJHQBFMJESBV-UHFFFAOYSA-N 3,7-bis(2,4,4-trimethylpentan-2-yl)-10h-phenothiazine Chemical compound C1=C(C(C)(C)CC(C)(C)C)C=C2SC3=CC(C(C)(C)CC(C)(C)C)=CC=C3NC2=C1 VZXJHQBFMJESBV-UHFFFAOYSA-N 0.000 description 2
- AOJLKJXCHAOGTQ-UHFFFAOYSA-N 3-benzyl-7,7,9,9-tetramethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound C1C(C)(C)NC(C)(C)CC21C(=O)N(CC=1C=CC=CC=1)C(=O)N2 AOJLKJXCHAOGTQ-UHFFFAOYSA-N 0.000 description 2
- IZXWGXJYQKWVOU-UHFFFAOYSA-N 3-ethyl-8,8,10,10-tetramethyl-1,5-dioxa-9-azaspiro[5.5]undecane Chemical compound O1CC(CC)COC11CC(C)(C)NC(C)(C)C1 IZXWGXJYQKWVOU-UHFFFAOYSA-N 0.000 description 2
- STEYNUVPFMIUOY-UHFFFAOYSA-N 4-Hydroxy-1-(2-hydroxyethyl)-2,2,6,6-tetramethylpiperidine Chemical compound CC1(C)CC(O)CC(C)(C)N1CCO STEYNUVPFMIUOY-UHFFFAOYSA-N 0.000 description 2
- SXIFAEWFOJETOA-UHFFFAOYSA-N 4-hydroxy-butyl Chemical group [CH2]CCCO SXIFAEWFOJETOA-UHFFFAOYSA-N 0.000 description 2
- OPEKHRGERHDLRK-UHFFFAOYSA-N 4-tert-butyl-n-(4-tert-butylphenyl)aniline Chemical compound C1=CC(C(C)(C)C)=CC=C1NC1=CC=C(C(C)(C)C)C=C1 OPEKHRGERHDLRK-UHFFFAOYSA-N 0.000 description 2
- UOMXLEWVJZEVGP-UHFFFAOYSA-N 4-tert-butyl-n-phenylaniline Chemical compound C1=CC(C(C)(C)C)=CC=C1NC1=CC=CC=C1 UOMXLEWVJZEVGP-UHFFFAOYSA-N 0.000 description 2
- KWQYIBSYWGQURG-UHFFFAOYSA-N 7,7,8,9,9-pentamethyl-3-(oxiran-2-ylmethyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound C1C(C)(C)N(C)C(C)(C)CC21C(=O)N(CC1OC1)C(=O)N2 KWQYIBSYWGQURG-UHFFFAOYSA-N 0.000 description 2
- LHSUFCAKCIVPND-UHFFFAOYSA-N 7,7,9,9-tetramethyl-2-propan-2-yl-1-oxa-3,8-diazaspiro[4.5]decan-4-one Chemical compound O1C(C(C)C)NC(=O)C11CC(C)(C)NC(C)(C)C1 LHSUFCAKCIVPND-UHFFFAOYSA-N 0.000 description 2
- VPOKLVDHXARWQB-UHFFFAOYSA-N 7,7,9,9-tetramethyl-3-octyl-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound O=C1N(CCCCCCCC)C(=O)NC11CC(C)(C)NC(C)(C)C1 VPOKLVDHXARWQB-UHFFFAOYSA-N 0.000 description 2
- YQJVAPGBVMMAJF-UHFFFAOYSA-N 8,8,10,10-tetramethyl-1,5-dioxa-9-azaspiro[5.5]undecane Chemical compound C1C(C)(C)NC(C)(C)CC21OCCCO2 YQJVAPGBVMMAJF-UHFFFAOYSA-N 0.000 description 2
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- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- CVVFFUKULYKOJR-UHFFFAOYSA-N n-phenyl-4-propan-2-yloxyaniline Chemical compound C1=CC(OC(C)C)=CC=C1NC1=CC=CC=C1 CVVFFUKULYKOJR-UHFFFAOYSA-N 0.000 description 1
- IMXRBCGZTVENAC-UHFFFAOYSA-N n-phenyl-n-(2,4,4-trimethylpentan-2-yl)aniline Chemical class C=1C=CC=CC=1N(C(C)(C)CC(C)(C)C)C1=CC=CC=C1 IMXRBCGZTVENAC-UHFFFAOYSA-N 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical group OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
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- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
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- NTTIENRNNNJCHQ-UHFFFAOYSA-N octyl n-(3,5-ditert-butyl-4-hydroxyphenyl)carbamate Chemical compound CCCCCCCCOC(=O)NC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NTTIENRNNNJCHQ-UHFFFAOYSA-N 0.000 description 1
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- 125000001312 palmitoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
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- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- 150000003077 polyols Chemical class 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
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000006233 propoxy propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])OC([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000005767 propoxymethyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])[#8]C([H])([H])* 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000001593 sorbitan monooleate Substances 0.000 description 1
- 229940035049 sorbitan monooleate Drugs 0.000 description 1
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- 239000000600 sorbitol Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 125000003696 stearoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 150000000000 tetracarboxylic acids Chemical class 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- UVZICZIVKIMRNE-UHFFFAOYSA-N thiodiacetic acid Chemical compound OC(=O)CSCC(O)=O UVZICZIVKIMRNE-UHFFFAOYSA-N 0.000 description 1
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- KJAMZCVTJDTESW-UHFFFAOYSA-N tiracizine Chemical compound C1CC2=CC=CC=C2N(C(=O)CN(C)C)C2=CC(NC(=O)OCC)=CC=C21 KJAMZCVTJDTESW-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
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- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- IVIIAEVMQHEPAY-UHFFFAOYSA-N tridodecyl phosphite Chemical compound CCCCCCCCCCCCOP(OCCCCCCCCCCCC)OCCCCCCCCCCCC IVIIAEVMQHEPAY-UHFFFAOYSA-N 0.000 description 1
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 150000007934 α,β-unsaturated carboxylic acids Chemical class 0.000 description 1
Classifications
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- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
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- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/04—Hydroxy compounds
- C10M129/10—Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
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- C10M133/12—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
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- C10M133/14—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring containing hydroxy groups
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- C10M133/16—Amides; Imides
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- C10M133/38—Heterocyclic nitrogen compounds
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- C10M133/38—Heterocyclic nitrogen compounds
- C10M133/40—Six-membered ring containing nitrogen and carbon only
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- C10M133/38—Heterocyclic nitrogen compounds
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- C10M133/42—Triazines
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- C10M135/22—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
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- C10M135/26—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing carboxyl groups; Derivatives thereof
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- C10M135/30—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring containing hydroxy groups; Derivatives thereof
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- C10M135/36—Heterocyclic sulfur, selenium or tellurium compounds the ring containing sulfur and carbon with nitrogen or oxygen
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- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
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- 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
- 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
- C10M2219/108—Phenothiazine
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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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
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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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/042—Metal salts thereof
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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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
- C10M2223/065—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds containing sulfur
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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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/04—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes
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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
- C10N2040/25—Internal-combustion engines
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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
- C10N2040/25—Internal-combustion engines
- C10N2040/251—Alcohol-fuelled engines
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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
- C10N2040/25—Internal-combustion engines
- C10N2040/255—Gasoline engines
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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
- C10N2040/25—Internal-combustion engines
- C10N2040/255—Gasoline engines
- C10N2040/28—Rotary engines
Definitions
- the present invention relates to lubricant compositions that are stabilized against oxidative degradation. Stabilization is achieved by adding at least two specific additives.
- Aromatic amines are used as antioxidants for lubricants, e.g. alkylated diphenylamines or alkylated phenothiazines. Such amines are described for example in EP-A-149 422 or GB-A-1 090 688.
- the use of such aromatic amines in combination with other antioxidants such as e.g. with triaryl phosphites, thiodipropionates or phenolic antioxidants is known. e.g. from EP-A-49 133.
- R3 as C1-C12 alkyl can be linear or branched alkyl and can e.g. Be methyl, ethyl, propyl, butyl, pentyl, hexyl, octyl, nonyl, decyl or dodecyl.
- R1, R5 and R6 as C1-C18 alkyl can also e.g. Tetradecyl, pentadecyl, hexadecyl or octadecyl.
- R4 as C4-C18 alkyl can e.g. be n-butyl, tert-butyl, n-hexyl, tert-octyl, n-dodecyl or octadecyl.
- R1, R5 and R6 as C7-C9-phenylalkyl can e.g. Benzyl, 2-phenylethyl, ⁇ -methylbenzyl, 2-phenylpropyl or ⁇ , ⁇ -dimethylbenzyl.
- R1 and R2 as C7-C18 alkylphenyl can have linear or branched alkyl groups. Examples are tolyl, ethylphenyl, isopropylphenyl, tert-butylphenyl, sec-pentylphenyl, n-hexylphenyl, tert-octylphenyl, iso-nonylphenyl or n-dodecylphenyl.
- R 1 and R 2 can also be mixtures of alkylphenyl groups, such as those formed in technical alkylations of diphenylamine using olefins.
- the alkyl group is preferably in the para position of the aromatic amine.
- Component B) is preferably a compound of the formula I or II in which R1 is C1-C4-alkyl, C7-C9-phenylalkyl, cyclohexyl, phenyl, C10-C18-alkylphenyl or naphthyl, R2 is C10-C18 alkylphenyl or phenyl, R3 is hydrogen, C1-C8-alkyl, benzyl, allyl or a group -CH2SR4, R4 is C8-C18-alkyl or -CH2COO (C8-C18-alkyl), and R5 and R6 independently of one another are H, C1-C12-alkyl or C7-C9-phenylalkyl.
- R1 and R2 independently of one another are phenyl or C18-C18-alkylphenyl and R3 is hydrogen are particularly preferred.
- R3 is hydrogen and R5 and R6 independently of one another are H or C4-C12-alkyl are particularly preferred.
- Examples of compounds of the formula are: Diphenylamine N-allyl diphenylamine 4-isopropoxydiphenylamine N-phenyl-1-naphthylamine N-phenyl-2-naphthylamine Di-4-methoxyphenylamine Di- [4- (1,3-dimethylbutyl) phenyl] amine Di- [4- (1,1,3,3-tetramethylbutyl) phenyl] amine tert-octylated N-phenyl-1-naphthylamine
- Phenothiazine N-allylphenothiazine 3,7-di-tert-octyl-phenothiazine
- Component (C) can be any cyclic or non-cyclic hindered amine.
- (C) is preferably a compound which has at least one group of the formula III contains, wherein R is hydrogen or methyl. R is preferably hydrogen.
- R is hydrogen or methyl.
- R is preferably hydrogen.
- These are derivatives of polyalkylpiperidines, in particular 2,2,6,6-tetramethylpiperidine. These polyalkylpiperidines preferably carry one or two polar substituents or a polar spiro ring system in the 4-position.
- n is a number from 1 to 4, preferably 1 or 2
- R is hydrogen or methyl
- R11 is hydrogen, oxyl, hydroxyl, C1-C12-alkyl, C3-C8 alkenyl, C3-C8-alkynyl, C7-C12-aralkyl , C1-C18 alkoxy, C5-C8-cycloalkoxy, C7-C9-phenylalkoxy, C1-C8-alkanoyl, C3-C5-alkenoyl, C1-C18-alkanoyloxy, benzyloxy, glycidyl or a group -CH2CH (OH) -Z , wherein Z is hydrogen, methyl or phenyl, where R11 is preferably H, C1-C4-alkyl, allyl, benzyl, acetyl or acryloyl and R12, when n is 1, is hydrogen,
- substituents are C1-C12-alkyl, they represent e.g. Methyl, ethyl, n-propyl, n-butyl, sec-butyl, tert-butyl, n-hexyl, n-octyl, 2-ethyl-hexyl, n-nonyl, n-decyl, n-undecyl or n- Dodecyl.
- R11 or R12 can e.g. represent the groups listed above and, for example, n-tridecyl, n-tetradecyl, n-hexadecyl or n-octadecyl.
- R11 is C3-C8-alkenyl, it can e.g. are 1-propenyl, allyl, methallyl, 2-butenyl, 2-pentenyl, 2-hexenyl, 2-octenyl, 4-tert-butyl-2-butenyl.
- R11 is preferably as C3-C8 alkynyl propargyl.
- R11 is especially phenethyl and especially benzyl.
- R11 is as C1-C8 alkanoyl, for example formyl, propionyl, butyryl, octanoyl, but preferably acetyl and as C3-C5-alkenoyl in particular acryloyl.
- R12 is a monovalent radical of a carboxylic acid, it is, for example, acetic, caproic, stearic, acrylic, methacrylic, benzoic or ⁇ - (3,5-di-tert-butyl-4-hydroxyphenyl) - propionic acid residue.
- R12 is a divalent radical of a dicarboxylic acid, it is, for example, malonic, succinic, glutaric, adipic, suberic, sebacic, maleic, itaconic, phthalic, dibutylmalonic, dibenzylmalonic, butyl (3 , 5-di-tert.butyl-4-hydroxybenzyl) -malonic acid or bicycloheptenedicarboxylic acid residue.
- R 12 represents a trivalent radical of a tricarboxylic acid, it means e.g. a trimellitic acid, citric acid or nitrilotriacetic acid residue.
- R 12 represents a tetravalent radical of a tetracarboxylic acid, it means e.g. the tetravalent residue of butane-1,2,3,4-tetracarboxylic acid or of pyromellitic acid.
- R12 is a divalent radical of a dicarbamic acid, it represents, for example, a hexamethylene dicarbamic acid or a 2,4-tolylene dicarbamic acid radical.
- Preferred compounds of the formula IV are those in which R is hydrogen, R 11 is hydrogen or methyl, n is 2 and R 12 is the diacyl radical of an aliphatic dicarboxylic acid having 4-12 C atoms.
- any substituents are C5-C7-cycloalkyl, they represent in particular cyclohexyl.
- R13 is especially phenylethyl or especially benzyl.
- R13 is in particular 2-hydroxyethyl or 2-hydroxypropyl.
- R13 is as C2-C18 alkanoyl, for example propionyl, butyryl, octanoyl, dodecanoyl, hexadecanoyl, octadecanoyl, but preferably acetyl and as C3-C5-alkenoyl, in particular acryloyl.
- R14 means C2-C8 alkenyl, then it is, for example, allyl, methallyl, 2-butenyl, 2-pentenyl, 2-hexenyl or 2-octenyl.
- R14 as a C1-C4 alkyl substituted with a hydroxy, cyano, alkoxycarbonyl or carbamide group can e.g. 2-Hydroxyethyl, 2-hydroxypropyl, 2-cyanoethyl, methoxycarbonylmethyl, 2-ethoxycarbonylethyl, 2-aminocarbonylpropyl or 2- (dimethylaminocarbonyl) ethyl.
- substituents are C2-C12 alkylene, they are e.g. around ethylene, propylene, 2,2-dimethylpropylene, tetramethylene, hexamethylene, octamethylene, decamethylene or dodecamethylene.
- substituents are C6-C15 arylene, they represent e.g. o-, m- or p-phenylene, 1,4-naphthylene or 4,4'-diphenylene.
- D is especially cyclohexylene.
- R15 means C2-C8-alkylene or hydroxyalkylene, it represents, for example, ethylene, 1-methyl-ethylene, propylene, 2-ethyl-propylene or 2-ethyl-2-hydroxymethylpropylene.
- R15 means e.g. 2-ethyl-2-acetoxymethylpropylene.
- R16 is hydrogen, C1-C12-alkyl, allyl, benzyl, glycidyl or C2-C6-alkoxyalkyl and R17, if n is 1, is hydrogen , C1-C12-alkyl, C3-C5-alkenyl, C7-Cq-aralkyl, C5-C7 cycloalkyl, C2-C4-hydroxyalkyl, C2-C6-alkoxyalkyl, C6-C10-aryl, glycidyl or a group of the formula - ( CH2) p -COO-Q or of the formula - (CH2) p -O-CO-Q, where p is 1 or 2 and Q is C1-C4 alkyl or phenyl, if n is 2, C2-C12 alkylene, C4- C
- substituents are C1-C12-alkyl, they represent e.g. Methyl, ethyl, n-propyl, n-butyl, sec-butyl, tert-butyl, n-hexyl, n-octyl, 2-ethyl-hexyl, n-nonyl, n-decyl, n-undecyl or n- Dodecyl.
- C1-C18-alkyl can represent, for example, the groups mentioned above and, for example, n-tridecyl, n-tetradecyl, n-hexadecyl or n-octadecyl.
- substituents are C2-C6-alkoxyalkyl, they represent e.g. Methoxymethyl, ethoxymethyl, propoxymethyl, tert-butoxymethyl, ethoxyethyl, ethoxypropyl, n-butoxyethyl, tert-butoxyethyl, isopropoxyethyl or propoxypropyl.
- R17 is C3-C5-alkenyl, it means e.g. 1-propenyl, allyl, methallyl, 2-butenyl or 2-pentenyl.
- T1 and T2 are especially phenethyl or especially benzyl. If T1 and T2 form a cycloalkane ring together with the C atom, this can e.g. be a cyclopentane, cyclohexane, cyclooctane or cyclododecane ring.
- R17 is C2-C4-hydroxyalkyl, it is e.g. 2-hydroxyethyl, 2-hydroxypropyl, 2-hydroxybutyl or 4-hydroxybutyl.
- R17, T1 and T2 mean in particular phenyl, ⁇ - or ⁇ -naphthyl, which are optionally substituted by halogen or C1-C4-alkyl.
- R17 is C2-C12 alkylene, it is e.g. around ethylene, propylene, 2,2-dimethylpropylene, tetramethylene, hexamethylene, octamethylene, decamethylene or dodecamethylene.
- R17 means in particular 2-butenylene, 2-pentenylene or 3-hexenylene.
- R17 means C6-C12 arylene, it represents, for example, o-, m- or p-phenylene, 1,4-naphthylene or 4,4'-diphenylene.
- Z 'means C2-C12 alkanoyl, for example propionyl, butyryl, octanoyl, dodecanoyl, but preferably acetyl.
- D as C2-C10 alkylene, C6-C15 arylene or C6-C12 cycloalkylene has the meaning given under b).
- substituents are C1-C12-alkyl, they are, for example, methyl, ethyl, n-propyl, n-butyl, sec-butyl, tert-butyl, n-hexyl, n-octyl, 2-ethylhexyl, n-nonyl , n-decyl, n-undecyl or n-dodecyl.
- substituents are C1-C4-hydroxyalkyl, they represent e.g. 2-hydroxyethyl, 2-hydroxypropyl, 3-hydroxypropyl, 2-hydroxybutyl or 4-hydroxybutyl.
- R21 and R22 together represent C4-C5-alkylene or oxaalkylene, this means e.g. Tetramethylene, pentamethylene or 3-oxapentamethylene.
- polyalkylpiperidine compounds of this class are the compounds of the following formulas:
- oligomers or polymeric compounds whose recurring structural unit contains a 2,2,6,6-tetraalkylpiperidine radical of the formula (I), in particular polyesters, polyethers, polyamides, polyamines, polyurethanes, polyureas, polyaminotriazines, poly (meth) acrylates, poly ( meth) acrylamides and their copolymers which contain such radicals.
- 2,2,6,6-polyalkylpiperidine light stabilizers of this class are the compounds of the following formulas, where m is a number from 2 to about 200. wherein R and R11 have the meaning given under a).
- Preferred compounds of formula IX are those in which R is hydrogen or methyl and R 11 is hydrogen or methyl.
- the amount of (B) and (C) added to the base oil (A) depends on the type of base oil and the desired degree of stabilization. In general, the sum of (B) and (C) is 0.1 to 2% by weight, preferably 0.5 to 1% by weight, based on (A).
- the ratio of (B) to (C) can be varied within wide limits; in general, (B) is the predominant component in terms of quantity.
- the ratio (B) :( C) is preferably 3-5: 1.
- Component (A) is a mineral or synthetic base oil, as is common for the preparation of lubricants.
- Synthetic oils can e.g. Esters of polycarboxylic acids or of polyols, they can be aliphatic polyesters or poly- ⁇ -olefins, silicones, phosphoric acid esters or polyalkylene glycols.
- the lubricant can also be a grease based on an oil and a thickener. Such lubricants are e.g. described in D. Klamann "Lubricants and related products", Verlag Chemie, Weinheim 1982.
- the lubricant can also contain other additives such as e.g. further antioxidants, metal passivators, rust inhibitors, viscosity index improvers, pour point depressants, dispersants, surfactants or wear protection additives.
- additives e.g. further antioxidants, metal passivators, rust inhibitors, viscosity index improvers, pour point depressants, dispersants, surfactants or wear protection additives.
- 2,6-di-tert-butyl-4-methylphenol 2,6-di-tert-butylphenol, 2-tert-butyl-4,6-dimethylphenol, 2,6-di-tert-butyl-4-ethylphenol, 2,6-di-tert-butyl-4-n-butylphenol, 2,6-di-tert-butyl-4-iso-butylphenol, 2,6-di-cyclopentyl-4-methylphenol, 2- ( ⁇ -methylcyclohexyl ) -4,6-dimethylphenol, 2,6-di-octadecyl-4-methylphenol, 2,4,6-tri-cyclohexylphenol, 2,6-di-tert-butyl-4-methoxymethylphenol, o-tert-butylphenol.
- mono- or polyhydric alcohols e.g. with methanol, diethylene glycol, octadecanol, triethylene glycol, 1,6-hexanediol, pentaerythritol, neopentyl glycol, tris-hydroxyethyl isocyanurate, thiodiethylene glycol, bis-hydroxyethyl oxalic acid diamide.
- mono- or polyhydric alcohols e.g. with methanol, diethylene glycol, octadecanol, triethylene glycol, 1,6-hexanediol, pentaerythritol, neopentyl glycol, tris-hydroxyethyl isocyanurate, thiodiethylene glycol, di-hydroxyethyl oxalic acid diamide.
- Aliphatic or aromatic phosphites esters of thiodipropionic acid or thiodiacetic acid, or salts of dithiocarbamide or dithiophosphoric acid.
- metal deactivators e.g. for copper
- metal deactivators e.g. for copper
- Triazoles benzotriazoles and their derivatives, tolutriazoles and their derivatives, 2-mercaptobenzthiazole, 2-mercaptobenztriazole, 2,5-dimercaptobenztriazole, 2,5-dimercaptobenzthiadiazole, 5,5'-methylenebisbenzotriazole, 4,5,6,7-tetrahydrobenztriazole, salicylides -propylenediamine, salicylaminoguanidine and its salts.
- rust inhibitors are:
- viscosity index improvers examples are:
- Polyacrylates polymethacrylates, vinyl pyrrolidone / methacrylate copolymers, polyvinyl pyrrolidones, polybutenes, olefin copolymers, styrene / acrylate copolymers, polyethers.
- pour point depressants examples are:
- dispersants / surfactants examples are:
- wear protection additives are:
- Compounds containing sulfur and / or phosphorus and / or halogen such as sulfurized vegetable oils, zinc dialkyldithiophosphates, tritolyl phosphate, chlorinated paraffins, alkyl and aryl di- and tri-sulfides, triphenyl phosphorothionates, diethanolaminomethyltolyltriazole, di (2-ethyltylylolyl) aminol.
- Examples of usable phosphites and phosphonites are: Triphenyl phosphite, decyl diphenyl phosphite, phenyl didecyl phosphite, tris- (nonylphenyl) phosphite, trilauryl phosphite, trioctadecyl phosphite, distearyl-pentaerythritol diphosphite, tris- (2,4-di-tert.butylphenyl) -phosphite, diisodechritol , 4-di-tert.butylphenyl) pentaerythritol diphosphite, tristearyl sorbitol triphosphite, tetrakis (2,4-di-tert.butylphenyl) -4, 4′-biphenylene diphosphonite, bis- (2,6-di- ter
- the individual additives are dissolved in the oil.
- the oil can be heated or the additives can be pre-dissolved in a solvent.
- the lubricant can also contain additives to solid lubricants, e.g. Graphite or molybdenum sulfide.
- thermo analyzer 1090 thermo analyzer 1090 from Du Pont
- the induction time of the oxidation of oil samples by air containing 400 ppm NO2 is measured under isothermal conditions. The measurement takes place at 170 ° C under a pressure of 8 bar.
- a standard mineral oil (Aral® 136) is used as the base oil, to which 1% by volume 1-decene is added to increase the sensitivity to oxygen.
- the following amine stabilizers are added to the oil.
- Aromatic amines :
- Table 1 shows the induction times. The longer the induction time, the higher the antioxidant effect of the stabilizer additives.
- Table 1 Aromat. Amine Hindered amine Induction time (min) - - 43 0.55% A-1 - 80 0.45% A-1 0.10% H-1 91.5 0.45% A-1 0.10% H-2 91.5 0.45% A-1 0.10% H-3 90.5 0.45% A-1 0.10% H-4 90 0.45% A-1 0.10% H-5 84.5 0.45% A-1 0.10% H-6 89
- the oxidation of hydrocarbons creates oxygen-containing groups such as hydroxyl, carboxyl or ester groups.
- the amount of such groups can be measured well by infrared spectroscopy and the activity of antioxidants can be determined therefrom.
- samples of a standard mineral oil (Aral® 136) to which 1 vol% 1-decene is added to increase the sensitivity to oxygen, under isothermal conditions in an atmosphere of air to which 400 ppm NO2 is added, under a pressure of 8 bar warmed for 12 h. Then the IR absorption at 1730 cm301 and 1630 ⁇ 1 is measured. The lower these values are, the higher the activity of the stabilizers.
- Tables 2a and 2b show the results at different temperatures.
- oxidation behavior of lubricating oils stabilized according to the invention was also tested according to the TOST method (turbine oxidation stability test) in accordance with ASTM D-943.
- TOST method turbine oxidation stability test
- 300 ml of a mineral oil Mobil STOC K 305
- 60 ml of water are mixed with 60 ml of water and heated to 95 ° C for 1000 hours in the presence of iron and copper wire while passing oxygen through.
- SLUDGE (mg) 100% - 0.46 30th 95% 5% 0.38 27th 90% 10% 0.30 24th 75% 25% 0.31 27th
- the resistance to oxidation can also be measured by measuring the increase in viscosity when treated with oxygen at elevated temperature.
- an oxygen stream (1 l / h) is passed through the oil at 150 ° C. for 70 hours.
- the oil is previously sensitized with a catalytic amount of a copper naphthenate.
- the viscosity of the oil is measured before and after with an Ubbelode viscometer.
- Table 6 Oil Percentage increase in viscosity Base oil 168% Base oil with the addition of 0.6% A-1 and 0.15% H-8 3.4%
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Anti-Oxidant Or Stabilizer Compositions (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft Schmierstoffzusammensetzungen, die gegen oxidativen Abbau stabilisiert sind. Die Stabilisierung erfolgt durch Zusatz von mindestens zwei spezifischen Zusatzstoffen.The present invention relates to lubricant compositions that are stabilized against oxidative degradation. Stabilization is achieved by adding at least two specific additives.
Es ist bekannt und üblich, zu Schmierstoffen auf Basis von Mineralölen oder synthetischen Oelen Zusatzstoffe zur Verbesserung ihrer Gebrauchseigenschaften zuzusetzen. Von besonderer Bedeutung sind Zusatzstoffe gegen oxidativen Abbau der Schmierstoffe, sogenannte Antioxidantien. Der oxidative Abbau von Schmierstoffen spielt vor allem bei Motorenölen eine grosse Rolle, da im Verbrennungsraum der Motoren hohe Temperaturen herrschen und neben Sauerstoff Stickoxide (NOx) vorhanden sind, welche als Oxidationskatalysatoren wirken.It is known and customary to add additives to lubricants based on mineral oils or synthetic oils to improve their performance properties. Additives against oxidative degradation of the lubricants, so-called antioxidants, are of particular importance. The oxidative degradation of lubricants plays a major role, especially in the case of engine oils, since the engine's combustion chamber has high temperatures and, in addition to oxygen, nitrogen oxides (NO x ) are present, which act as oxidation catalysts.
Als Antioxidantien für Schmierstoffe werden unter anderem aromatische Amine verwendet, wie z.B. alkylierte Diphenylamine oder alkylierte Phenothiazine. Solche Amine sind beispielsweise in der EP-A- 149 422 oder der GB-A-1 090 688 beschrieben. Auch die Verwendung solcher aromatischer Amine in Kombination mit anderen Antioxidantien wie z.B. mit Triarylphosphiten, Thiodipropionaten oder phenolischen Antioxidantien ist bekannt. z.B. aus der EP-A-49 133.Aromatic amines are used as antioxidants for lubricants, e.g. alkylated diphenylamines or alkylated phenothiazines. Such amines are described for example in EP-A-149 422 or GB-A-1 090 688. The use of such aromatic amines in combination with other antioxidants such as e.g. with triaryl phosphites, thiodipropionates or phenolic antioxidants is known. e.g. from EP-A-49 133.
Es wurde gefunden, dass sich eine Kombination von aromatischen Aminen mit sterisch gehinderten Aminen hervorragend als Antioxidans für Schmierstoffe eignet.It has been found that a combination of aromatic amines with sterically hindered amines is an excellent antioxidant for lubricants.
Gegenstand der Erfindung ist eine Schmierstoffzusammensetzung, enthaltend
- (A) ein mineralisches oder synthetisches Basisöl oder ein Gemisch solcher Oele,
- (B) mindestens ein aromatisches Amin der Formel I oder II,
R² Phenyl, C₇-C₁₈-Alkylphenyl, C₇-C₁₈-Alkoxyphenyl oder Naphthyl bedeutet,
R³ Wasserstoff, C₁-C₁₂-Alkyl, Benzyl, Allyl, Methallyl, Phenyl oder eine Gruppe -CH₂SR⁴ bedeutet,
R⁴ C₄-C₁₈-Alkyl, -CH₂COO(C₄-C₁₈-Alkyl) oder -CH₂CH₂COO(C₄-C₁₈-Alkyl) bedeutet, und
R⁵ und R⁶ unabhängig voneinander H, C₁-C₁₈-Alkyl oder C₇-C₉-Phenylalkyl bedeuten und - (C) mindestens ein sterisch gehindertes Amin.
- (A) a mineral or synthetic base oil or a mixture of such oils,
- (B) at least one aromatic amine of the formula I or II,
R² is phenyl, C₇-C₁₈-alkylphenyl, C₇-C₁₈-alkoxyphenyl or naphthyl,
R³ is hydrogen, C₁-C₁₂-alkyl, benzyl, allyl, methallyl, phenyl or a group -CH₂SR⁴,
R⁴ is C₄-C₁₈-alkyl, -CH₂COO (C₄-C₁₈-alkyl) or -CH₂CH₂COO (C₄-C₁₈-alkyl), and
R⁵ and R⁶ independently of one another are H, C₁-C₁₈-alkyl or C₇-C₉-phenylalkyl and - (C) at least one sterically hindered amine.
R³ als C₁-C₁₂-Alkyl kann lineares oder verzweigtes Alkyl sein und kann z.B. Methyl, Ethyl, Propyl, Butyl, Pentyl, Hexyl, Octyl, Nonyl, Decyl oder Dodecyl sein. R¹, R⁵ und R⁶ als C₁-C₁₈-Alkyl können darüber hinaus auch z.B. Tetradecyl, Pentadecyl, Hexadecyl oder Octadecyl sein. R⁴ als C₄-C₁₈-Alkyl kann z.B. n-Butyl, tert.Butyl, n-Hexyl, tert.Octyl, n-Dodecyl oder Octadecyl sein.R³ as C₁-C₁₂ alkyl can be linear or branched alkyl and can e.g. Be methyl, ethyl, propyl, butyl, pentyl, hexyl, octyl, nonyl, decyl or dodecyl. R¹, R⁵ and R⁶ as C₁-C₁₈ alkyl can also e.g. Tetradecyl, pentadecyl, hexadecyl or octadecyl. R⁴ as C₄-C₁₈ alkyl can e.g. be n-butyl, tert-butyl, n-hexyl, tert-octyl, n-dodecyl or octadecyl.
R¹, R⁵ und R⁶ als C₇-C₉-Phenylalkyl können z.B. Benzyl, 2-Phenylethyl, α-Methylbenzyl, 2-Phenylpropyl oder α,α-Dimethylbenzyl sein.R¹, R⁵ and R⁶ as C₇-C₉-phenylalkyl can e.g. Benzyl, 2-phenylethyl, α-methylbenzyl, 2-phenylpropyl or α, α-dimethylbenzyl.
R¹ und R² als C₇-C₁₈-Alkylphenyl können lineare oder verzweigte Alkylgruppen haben. Beispiele sind Tolyl, Ethylphenyl, Isopropylphenyl, tert.Butylphenyl, sec.Pentylphenyl, n-Hexylphenyl, tert.Octylphenyl, iso-Nonylphenyl oder n-Dodecylphenyl. Es kann sich bei R¹ und R² auch um Gemische von Alkylphenylgruppen handeln, wie sie bei technischen Alkylierungen von Diphenylamin mittels Olefinen entstehen. Bevorzugt steht die Alkylgruppe in para-Stellung des aromatischen Amins.R¹ and R² as C₇-C₁₈ alkylphenyl can have linear or branched alkyl groups. Examples are tolyl, ethylphenyl, isopropylphenyl, tert-butylphenyl, sec-pentylphenyl, n-hexylphenyl, tert-octylphenyl, iso-nonylphenyl or n-dodecylphenyl. R 1 and R 2 can also be mixtures of alkylphenyl groups, such as those formed in technical alkylations of diphenylamine using olefins. The alkyl group is preferably in the para position of the aromatic amine.
Bevorzugt verwendet man als Komponente B) eine Verbindung der Formel I oder II, worin
R¹ C₁-C₄-Alkyl, C₇-C₉-Phenylalkyl, Cyclohexyl, Phenyl, C₁₀-C₁₈-Alkylphenyl oder Naphthyl bedeutet,
R² C₁₀-C₁₈-Alkylphenyl oder Phenyl bedeutet,
R³ Wasserstoff, C₁-C₈-Alkyl, Benzyl, Allyl oder eine Gruppe -CH₂SR⁴ bedeutet,
R⁴ C₈-C₁₈-Alkyl oder -CH₂COO(C₈-C₁₈-Alkyl) bedeutet, und
R⁵ und R⁶ unabhängig voneinander H, C₁-C₁₂-Alkyl oder C₇-C₉-Phenylalkyl bedeuten.Component B) is preferably a compound of the formula I or II in which
R¹ is C₁-C₄-alkyl, C₇-C₉-phenylalkyl, cyclohexyl, phenyl, C₁₀-C₁₈-alkylphenyl or naphthyl,
R² is C₁₀-C₁₈ alkylphenyl or phenyl,
R³ is hydrogen, C₁-C₈-alkyl, benzyl, allyl or a group -CH₂SR⁴,
R⁴ is C₈-C₁₈-alkyl or -CH₂COO (C₈-C₁₈-alkyl), and
R⁵ and R⁶ independently of one another are H, C₁-C₁₂-alkyl or C₇-C₉-phenylalkyl.
Unter den Verbindungen der Formel I sind solche besonders bevorzugt, worin R¹ und R² unabhängig voneinander Phenyl oder C₁₀-C₁₈-Alkylphenyl bedeuten und R³ Wasserstoff ist.Among the compounds of the formula I, those in which R¹ and R² independently of one another are phenyl or C₁₈-C₁₈-alkylphenyl and R³ is hydrogen are particularly preferred.
Unter den Verbindungen der Formel II sind solche besonders bevorzugt, worin R³ Wasserstoff ist und R⁵ und R⁶ unabhängig voneinander H oder C₄-C₁₂-Alkyl bedeuten.Among the compounds of formula II, those in which R³ is hydrogen and R⁵ and R⁶ independently of one another are H or C₄-C₁₂-alkyl are particularly preferred.
Beispiele für Verbindungen der Formel sind:
Diphenylamin
N-Allyldiphenylamin
4-Isopropoxydiphenylamin
N-Phenyl-1-naphthylamin
N-Phenyl-2-naphthylamin
Di-4-methoxyphenyl-amin
Di-[4-(1,3-dimethylbutyl)-phenyl]-amin
Di-[4-(1,1,3,3-tetramethylbutyl)-phenyl]-amin
tert.octyliertes N-Phenyl-1-naphtylamin
technische Gemische erhalten durch Reaktion von Diphenylamin mit Diisobutylen (mono-, di- und trialkylierte tert.Butyl- und tert.Octyldiphenylamine)
Phenothiazin
N-Allylphenothiazin
3,7-Di-tert.octyl-phenothiazin
technische Gemische erhalten durch Reaktion von Phenothiazin mit DiisobutylenExamples of compounds of the formula are:
Diphenylamine
N-allyl diphenylamine
4-isopropoxydiphenylamine
N-phenyl-1-naphthylamine
N-phenyl-2-naphthylamine
Di-4-methoxyphenylamine
Di- [4- (1,3-dimethylbutyl) phenyl] amine
Di- [4- (1,1,3,3-tetramethylbutyl) phenyl] amine
tert-octylated N-phenyl-1-naphthylamine
Technical mixtures obtained by reacting diphenylamine with diisobutylene (mono-, di- and trialkylated tert-butyl and tert-octyldiphenylamines)
Phenothiazine
N-allylphenothiazine
3,7-di-tert-octyl-phenothiazine
Technical mixtures obtained by reaction of phenothiazine with diisobutylene
Besonders bevorzugt verwendet man als Komponente B) 4,4′-Di-tert.octyl-diphenylamin oder 3,7-Di-tert.octyl-phenothiazin oder ein technisches Gemisch erhalten durch Reaktion von Diphenylamin mit Diisobutylen, insbesondere ein solches Gemisch, das folgende Bestandteile enthält:
- a) maximal 5 Gew.-% Diphenylamin,
- b) 8-15 Gew.-% 4-tert.Butyldiphenylamin,
- c) 24-32 Gew. 4-tert.Octyl-diphenylamin, 4,4′-Di-tert.butyl-diphenylamin und 2,4,4′-Tri-tert.butyl-diphenylamin,
- d) 23-34 Gew.-% 4-tert.Butyl-4′-tert.octyl-diphenylamin, 2,2′- und 3,3′-Di-tert.octyl-diphenylamin und 2,4-Di-tert.butyl-4′-tert.octyl-diphenylamin
- e) 21-34 Gew.-% 4,4′-Di-tert.octyl-diphenylamin und 2,4-Di-tert.octyl-4′-tert.butyl-diphenylamin.
- a) a maximum of 5% by weight of diphenylamine,
- b) 8-15% by weight of 4-tert-butyldiphenylamine,
- c) 24-32% by weight of 4-tert-octyl-diphenylamine, 4,4'-di-tert-butyl-diphenylamine and 2,4,4'-tri-tert-butyl-diphenylamine,
- d) 23-34% by weight of 4-tert-butyl-4'-tert.octyl-diphenylamine, 2,2'- and 3,3'-di-tert.octyl-diphenylamine and 2,4-di-tert .butyl-4'-tert.octyl-diphenylamine
- e) 21-34 wt .-% 4,4'-di-tert.octyl-diphenylamine and 2,4-di-tert.octyl-4'-tert.butyl-diphenylamine.
Die Komponente (C) kann irgendein cyclisches oder nicht-cyclisches sterisch gehindertes Amin sein. Bevorzugt ist (C) eine Verbindung, die mindestens eine Gruppe der Formel III
Von Bedeutung sind insbesondere die folgenden Klassen von Polyalkylpiperidinen.The following classes of polyalkylpiperidines are of particular importance.
a) Verbindungen der Formel 1V
Bedeuten etwaige Substituenten C₁-C₁₂-Alkyl, so stellen sie z.B. Methyl, Ethyl, n-Propyl, n-Butyl, sek.-Butyl, tert.-Butyl, n-Hexyl, n-Octyl, 2-Ethyl-hexyl, n-Nonyl, n-Decyl, n-Undecyl oder n-Dodecyl dar.If any substituents are C₁-C₁₂-alkyl, they represent e.g. Methyl, ethyl, n-propyl, n-butyl, sec-butyl, tert-butyl, n-hexyl, n-octyl, 2-ethyl-hexyl, n-nonyl, n-decyl, n-undecyl or n- Dodecyl.
In der Bedeutung von C₁-C₁₈-Alkyl kann R¹¹ oder R¹² z.B. die oben angeführten Gruppen und dazu noch beispielsweise n-Tridecyl, n-Tetradecyl, n-Hexadecyl oder n-Octadecyl darstellen.In the meaning of C₁-C₁₈ alkyl, R¹¹ or R¹² can e.g. represent the groups listed above and, for example, n-tridecyl, n-tetradecyl, n-hexadecyl or n-octadecyl.
Wenn R¹¹ C₃-C₈-Alkenyl bedeutet, so kann es sich z.B. um 1-Propenyl, Allyl, Methallyl, 2-Butenyl, 2-Pentenyl, 2-Hexenyl, 2-Octenyl, 4-tert.Butyl-2-butenyl handeln.If R¹¹ is C₃-C₈-alkenyl, it can e.g. are 1-propenyl, allyl, methallyl, 2-butenyl, 2-pentenyl, 2-hexenyl, 2-octenyl, 4-tert-butyl-2-butenyl.
R¹¹ ist als C₃-C₈-Alkinyl bevorzugt Propargyl.R¹¹ is preferably as C₃-C₈ alkynyl propargyl.
Als C₇-C₁₂-Aralkyl ist R¹¹ insbesondere Phenethyl und vor allem Benzyl.As C₇-C₁₂ aralkyl, R¹¹ is especially phenethyl and especially benzyl.
R¹¹ ist als C₁-C₈-Alkanoyl beispielsweise Formyl, Propionyl, Butyryl, Octanoyl, aber bevorzugt Acetyl und als C₃-C₅-Alkenoyl insbesondere Acryloyl.R¹¹ is as C₁-C₈ alkanoyl, for example formyl, propionyl, butyryl, octanoyl, but preferably acetyl and as C₃-C₅-alkenoyl in particular acryloyl.
Bedeutet R¹² einen einwertigen Rest einer Carbonsäure, so stellt es beispielsweise einen Essigsäure-, Capronsäure-, Stearinsäure-, Acrylsäure-, Methacrylsäure-, Benzoe- oder β-(3,5-Di-tert.-butyl-4-hydroxyphenyl)-propionsäurerest dar.If R¹² is a monovalent radical of a carboxylic acid, it is, for example, acetic, caproic, stearic, acrylic, methacrylic, benzoic or β- (3,5-di-tert-butyl-4-hydroxyphenyl) - propionic acid residue.
Bedeutet R¹² einen zweiwertigen Rest einer Dicarbonsäure, so stellt es beispielsweise einen Malonsäure-, Bernsteinsäure-, Glutarsäure-, Adipinsäure-, Korksäure-, Sebacinsäure-, Maleinsäure-, Itaconsäure-, Phthalsäure-, Dibutylmalonsäure-, Dibenzylmalonsäure-, Butyl-(3,5-di-tert.butyl-4-hydroxybenzyl)-malonsäure- oder Bicycloheptendicarbonsäurerest dar.If R¹² is a divalent radical of a dicarboxylic acid, it is, for example, malonic, succinic, glutaric, adipic, suberic, sebacic, maleic, itaconic, phthalic, dibutylmalonic, dibenzylmalonic, butyl (3 , 5-di-tert.butyl-4-hydroxybenzyl) -malonic acid or bicycloheptenedicarboxylic acid residue.
Stellt R¹² einen dreiwertigen Rest einer Tricarbonsäure dar, so bedeutet es z.B. einen Trimellitsäure-, Citronensäure- oder Nitrilotriessigsäurerest.If R 12 represents a trivalent radical of a tricarboxylic acid, it means e.g. a trimellitic acid, citric acid or nitrilotriacetic acid residue.
Stellt R¹² einen vierwertigen Rest einer Tetracarbonsäure dar, so bedeutet es z.B. den vierwertigen Rest von Butan-1,2,3,4-tetracarbonsaure oder von Pyromellitsäure.If R 12 represents a tetravalent radical of a tetracarboxylic acid, it means e.g. the tetravalent residue of butane-1,2,3,4-tetracarboxylic acid or of pyromellitic acid.
Bedeutet R¹² einen zweiwertigen Rest einer Dicarbaminsäure, so stellt es beispielsweise einen Hexamethylendicarbaminsäure- oder einen 2,4-Toluylen-dicarbaminsäurerest dar.If R¹² is a divalent radical of a dicarbamic acid, it represents, for example, a hexamethylene dicarbamic acid or a 2,4-tolylene dicarbamic acid radical.
Bevorzugt sind Verbindungen der Formel IV, worin R Wasserstoff ist, R¹¹ Wasserstoff oder Methyl ist, n 2 ist und R¹² der Diacylrest einer aliphatischen Dicarbonsäure mit 4-12 C-Atomen ist.Preferred compounds of the formula IV are those in which R is hydrogen, R 11 is hydrogen or methyl, n is 2 and R 12 is the diacyl radical of an aliphatic dicarboxylic acid having 4-12 C atoms.
Beispiele für Polyalkylpiperidin-Verbindungen dieser Klasse sind folgende Verbindungen:
- 1) 4-Hydroxy-2,2,6,6-tetramethylpiperidin
- 2) 1-Allyl-4-hydroxy-2,2,6,6-tetramethylpiperidin
- 3) 1-Benzyl-4-hydroxy-2,2,6,6-tetramethylpiperidin
- 4) 1-(4-tert.-Butyl-2-butenyl)-4-hydroxy-2,2,6,6-tetramethylpiperidin
- 5) 4-Stearoyloxy-2,2,6,6-tetramethylpiperidin
- 6) 1-Ethyl-4-salicyloyloxy-2,2,6,6-tetramethylpiperidin
- 7) 4-Methacryloyloxy-1,2,2,6,6-pentamethylpiperidin
- 8) 1,2,2,6,6-Pentamethylpiperidin-4-yl-β-(3,5-di-tert.-butyl-4-hydroxyphenyl)-propionat
- 9) Di-(1-benzyl-2,2,6,6-tetramethylpiperidin-4-yl)-maleinat
- 10) Di-(2,2,6,6-tetramethylpiperidin-4-yl)-succinat
- 11) Di-(2,2,6,6-tetramethylpiperidin-4-yl)-glutarat
- 12) Di-(2,2,6,6-tetramethylpiperidin-4-yl)-adipat
- 13) Di-(2,2,6,6-tetramethylpiperidin-4-yl)-sebacat
- 14) Di-(1,2,2,6,6-pentamethylpiperidin-4-yl)-sebacat
- 15) Di-(1,2,3,6-tetramethyl-2,6-diethyl-piperidin-4-yl)-sebacat
- 16) Di-(1-allyl-2,2,6,6-tetramethylpiperidin-4-yl)-phthalat
- 17) 1-Hydroxy-4-ß-cyanoethyloxy-2,2,6,6-tetramethylpiperidin
- 18) 1-Acetyl-2,2,6,6-tetramethylpiperidin-4-yl-acetat
- 19) Trimellithsäure-tri-(2,2,6,6-tetramethylpiperidin-4-yl)-ester
- 20) 1-Acryloyl-4-benzyloxy-2,2,6,6-tetramethylpiperidin
- 21) Diethylmalonsäure-di(2,2,6,6-tetramethylpiperidin-4-yl)-ester
- 22) Dibutyl-malonsäure-di-(1,2,2,6,6-pentamethylpiperidin-4-yl)-ester
- 23) Butyl-(3,5-di-tert.-butyl-4-hydroxybenzyl)malonsäure-di-(1,2,2,6,6-pentamethylpiperidin-4-yl)-ester
- 24) Di-(1-octyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-sebacat
- 25) Di-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-sebacat
- 26) Hexan-1′,6′-bis-(4-carbamoyloxy-1-n-butyl-2,2,6,6-tetramethylpiperidin)
- 27) Toluol-2′,4′-bis-(4-carbamoyloxy-1-n-propyl-2,2,6,6-tetramethylpiperidin)
- 28) Dimethyl-bis-(2,2,6,6-tetramethylpiperidin-4-oxy)-silan
- 29) Phenyl-tris-(2,2,6,6-tetramethylpiperidin-4-oxy)-silan
- 30) Tris-(1-propyl-2,2,6,6-tetramethylpiperidin-4-yl)-phosphit
- 31) Tris-(1-propyl-2,2,6,6-tetramethylpiperidin-4-yl)-phosphat
- 32) Phenyl-[bis-(1,2,2,6,6-pentamethylpiperidin-4-yl)]-phosphonat
- 33) 4-Hydroxy-1,2,2,6,6-pentamethylpiperidin
- 34) 4-Hydroxy-N-hydroxyethyl-2,2,6,6-tetramethylpiperidin
- 35) 4-Hydroxy-N-(2-hydroxypropyl)-2,2,6,6-tetramethylpiperidin
- 36) 1-Glycidyl-4-hydroxy-2,2,6,6-tetramethylpiperidin
- 1) 4-Hydroxy-2,2,6,6-tetramethylpiperidine
- 2) 1-Allyl-4-hydroxy-2,2,6,6-tetramethylpiperidine
- 3) 1-Benzyl-4-hydroxy-2,2,6,6-tetramethylpiperidine
- 4) 1- (4-tert-butyl-2-butenyl) -4-hydroxy-2,2,6,6-tetramethylpiperidine
- 5) 4-stearoyloxy-2,2,6,6-tetramethylpiperidine
- 6) 1-ethyl-4-salicyloyloxy-2,2,6,6-tetramethylpiperidine
- 7) 4-methacryloyloxy-1,2,2,6,6-pentamethylpiperidine
- 8) 1,2,2,6,6-pentamethylpiperidin-4-yl-β- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate
- 9) Di- (1-benzyl-2,2,6,6-tetramethylpiperidin-4-yl) maleate
- 10) Di- (2,2,6,6-tetramethylpiperidin-4-yl) succinate
- 11) Di- (2,2,6,6-tetramethylpiperidin-4-yl) glutarate
- 12) Di- (2,2,6,6-tetramethylpiperidin-4-yl) adipate
- 13) Di- (2,2,6,6-tetramethylpiperidin-4-yl) sebacate
- 14) Di- (1,2,2,6,6-pentamethylpiperidin-4-yl) sebacate
- 15) Di- (1,2,3,6-tetramethyl-2,6-diethyl-piperidin-4-yl) sebacate
- 16) Di- (1-allyl-2,2,6,6-tetramethylpiperidin-4-yl) phthalate
- 17) 1-Hydroxy-4-ß-cyanoethyloxy-2,2,6,6-tetramethylpiperidine
- 18) 1-Acetyl-2,2,6,6-tetramethylpiperidin-4-yl acetate
- 19) Trimellitic acid tri (2,2,6,6-tetramethylpiperidin-4-yl) ester
- 20) 1-Acryloyl-4-benzyloxy-2,2,6,6-tetramethylpiperidine
- 21) Diethylmalonic acid di (2,2,6,6-tetramethylpiperidin-4-yl) ester
- 22) Dibutyl malonic acid di (1,2,2,6,6-pentamethylpiperidin-4-yl) ester
- 23) Butyl- (3,5-di-tert-butyl-4-hydroxybenzyl) malonic acid di- (1,2,2,6,6-pentamethylpiperidin-4-yl) ester
- 24) Di- (1-octyloxy-2,2,6,6-tetramethylpiperidin-4-yl) sebacate
- 25) Di- (1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl) sebacate
- 26) hexane-1 ′, 6′-bis- (4-carbamoyloxy-1-n-butyl-2,2,6,6-tetramethylpiperidine)
- 27) toluene-2 ′, 4′-bis- (4-carbamoyloxy-1-n-propyl-2,2,6,6-tetramethylpiperidine)
- 28) Dimethyl bis (2,2,6,6-tetramethylpiperidine-4-oxy) silane
- 29) Phenyl-tris (2,2,6,6-tetramethylpiperidine-4-oxy) silane
- 30) Tris- (1-propyl-2,2,6,6-tetramethylpiperidin-4-yl) phosphite
- 31) Tris- (1-propyl-2,2,6,6-tetramethylpiperidin-4-yl) phosphate
- 32) Phenyl- [bis- (1,2,2,6,6-pentamethylpiperidin-4-yl)] phosphonate
- 33) 4-Hydroxy-1,2,2,6,6-pentamethylpiperidine
- 34) 4-Hydroxy-N-hydroxyethyl-2,2,6,6-tetramethylpiperidine
- 35) 4-Hydroxy-N- (2-hydroxypropyl) -2,2,6,6-tetramethylpiperidine
- 36) 1-Glycidyl-4-hydroxy-2,2,6,6-tetramethylpiperidine
b) Verbindungen der Formel (V)
Stellen etwaige Substituenten C₁-C₁₂- oder C₁-C₁₈-Alkyl dar, so haben sie die bereits unter a) angegebene Bedeutung.If any substituents are C₁-C₁₂- or C₁-C₁₈-alkyl, they have the meaning already given under a).
Bedeuten etwaige Substituenten C₅-C₇-Cycloalkyl, so stellen sie insbesondere Cyclohexyl dar.If any substituents are C₅-C₇-cycloalkyl, they represent in particular cyclohexyl.
Als C₇-C₈-Aralkyl ist R¹³ insbesondere Phenylethyl oder vor allem Benzyl. Als C₂-C₅-Hydroxyalkyl ist R¹³ insbesondere 2-Hydroxyethyl oder 2-Hydroxypropyl.As C₇-C₈ aralkyl, R¹³ is especially phenylethyl or especially benzyl. As C₂-C₅-hydroxyalkyl, R¹³ is in particular 2-hydroxyethyl or 2-hydroxypropyl.
R¹³ ist als C₂-C₁₈-Alkanoyl beispielsweise Propionyl, Butyryl, Octanoyl, Dodecanoyl, Hexadecanoyl, Octadecanoyl, aber bevorzugt Acetyl und als C₃-C₅-Alkenoyl insbesondere Acryloyl.R¹³ is as C₂-C₁₈ alkanoyl, for example propionyl, butyryl, octanoyl, dodecanoyl, hexadecanoyl, octadecanoyl, but preferably acetyl and as C₃-C₅-alkenoyl, in particular acryloyl.
Bedeutet R¹⁴ C₂-C₈-Alkenyl, dann handelt es sich z.B. um Allyl, Methallyl, 2-Butenyl, 2-Pentenyl, 2-Hexenyl oder 2-Octenyl.R¹⁴ means C₂-C₈ alkenyl, then it is, for example, allyl, methallyl, 2-butenyl, 2-pentenyl, 2-hexenyl or 2-octenyl.
R¹⁴ als mit einer Hydroxy-, Cyano-, Alkoxycarbonyl- oder Carbamidgruppe substituiertes C₁-C₄-Alkyl kann z.B. 2-Hydroxyethyl, 2-Hydroxypropyl, 2-Cyanethyl, Methoxycarbonylmethyl, 2-Ethoxycarbonylethyl, 2-Aminocarbonylpropyl oder 2-(Dimethylaminocarbonyl)-ethyl sein.R¹⁴ as a C₁-C₄ alkyl substituted with a hydroxy, cyano, alkoxycarbonyl or carbamide group can e.g. 2-Hydroxyethyl, 2-hydroxypropyl, 2-cyanoethyl, methoxycarbonylmethyl, 2-ethoxycarbonylethyl, 2-aminocarbonylpropyl or 2- (dimethylaminocarbonyl) ethyl.
Stellen etwaige Substituenten C₂-C₁₂-Alkylen dar, so handelt es sich z.B. um Ethylen, Propylen, 2,2-Dimethylpropylen, Tetramethylen, Hexamethylen, Octamethylen, Decamethylen oder Dodecamethylen.If any substituents are C₂-C₁₂ alkylene, they are e.g. around ethylene, propylene, 2,2-dimethylpropylene, tetramethylene, hexamethylene, octamethylene, decamethylene or dodecamethylene.
Bedeuten etwaige Substituenten C₆-C₁₅-Arylen, so stellen sie z.B. o-, m- oder p-Phenylen, 1,4-Naphthylen oder 4,4′-Diphenylen dar.If any substituents are C₆-C₁₅ arylene, they represent e.g. o-, m- or p-phenylene, 1,4-naphthylene or 4,4'-diphenylene.
Als C₆-C₁₂-Cycloalkylen ist D insbesondere Cyclohexylen.As C₆-C₁₂ cycloalkylene, D is especially cyclohexylene.
Bevorzugt sind Verbindungen der Formel V, worin n 1 oder 2 ist, R Wasserstoff ist, R¹¹ Wasserstoff oder Methyl ist, R¹³ Wasserstoff, C₁-C₁₂-Alkyl oder eine Gruppe der Formel
Beispiele für Polyalkylpiperidin-Verbindungen dieser Klasse sind folgende Verbindungen:
- 37) N,N′-Bis-(2,2,6,6-tetramethylpiperidin-4-yl)-hexamethylen-1,6-diamin
- 38) N,N′-Bis-(2,2,6,6-tetramethylpiperidin-4-yl)-hexamethylen-1,6-di-acetamid
- 39) Bis-(2,2,6,6-tetramethylpiperidin-4-yl)-amin
- 40) 4-Benzoylamino-2,2,6,6-tetramethylpiperidin
- 41) N,N′-Bis-(2,2,6,6-tetramethylpiperidin-4-yl)-N,N′-dibutyl-adipamid
- 42) N,N′-Bis-(2,2,6,6-tetramethylpiperidin-4-yl)-N,N′-dicyclohexyl-2-hydroxypropylen-1,3-diamin
- 43) N,N′-Bis-(2,2,6,6-tetramethylpiperidin-4-yl)-p-xylylen-diamin
- 44) N,N′-Bis-(2,2,6,6-tetramethylpiperidin-4-yl)-succindiamid
- 45) N-(2,2,6,6-Tetramethylpiperidin-4-yl)-β-aminodipropionsäure-di-(2,2,6,6-tetramethylpiperidin-4-yl)-ester
- 46) Die Verbindung der Formel
- 47) 4-(Bis-2-hydroxyethyl-amino)-1,2,2,6,6-pentamethylpiperidin
- 48) 4-(3-Methyl-4-hydroxy-5-tert.-butyl-benzoesäureamido)-2,2,6,6-tetramethylpiperidin
- 49) 4-Methacrylamido-1,2,2,6,6-pentamethylpiperidin
- 37) N, N'-bis (2,2,6,6-tetramethylpiperidin-4-yl) hexamethylene-1,6-diamine
- 38) N, N'-bis (2,2,6,6-tetramethylpiperidin-4-yl) hexamethylene-1,6-di-acetamide
- 39) bis (2,2,6,6-tetramethylpiperidin-4-yl) amine
- 40) 4-Benzoylamino-2,2,6,6-tetramethylpiperidine
- 41) N, N'-bis (2,2,6,6-tetramethylpiperidin-4-yl) -N, N'-dibutyl adipamide
- 42) N, N'-bis (2,2,6,6-tetramethylpiperidin-4-yl) -N, N'-dicyclohexyl-2-hydroxypropylene-1,3-diamine
- 43) N, N'-bis (2,2,6,6-tetramethylpiperidin-4-yl) -p-xylylene diamine
- 44) N, N'-bis (2,2,6,6-tetramethylpiperidin-4-yl) succinic diamide
- 45) N- (2,2,6,6-Tetramethylpiperidin-4-yl) -β-aminodipropionic acid di- (2,2,6,6-tetramethylpiperidin-4-yl) ester
- 46) The compound of the formula
- 47) 4- (bis-2-hydroxyethylamino) -1,2,2,6,6-pentamethylpiperidine
- 48) 4- (3-Methyl-4-hydroxy-5-tert-butyl-benzoic acid amido) -2,2,6,6-tetramethylpiperidine
- 49) 4-methacrylamido-1,2,2,6,6-pentamethylpiperidine
Bedeutet R¹⁵ C₂-C₈-Alkylen oder -Hydroxyalkylen, so stellt es beispielsweise Ethylen, 1-Methyl-ethylen, Propylen, 2-Ethyl-propylen oder 2-Ethyl-2-hydroxymethylpropylen dar.R¹⁵ means C₂-C₈-alkylene or hydroxyalkylene, it represents, for example, ethylene, 1-methyl-ethylene, propylene, 2-ethyl-propylene or 2-ethyl-2-hydroxymethylpropylene.
Als C₄-C₂₂-Acyloxyalkylen bedeutet R¹⁵ z.B. 2-Ethyl-2-acetoxymethylpropylen.As C₄-C₂₂-acyloxyalkylene, R¹⁵ means e.g. 2-ethyl-2-acetoxymethylpropylene.
Beispiele für Polyalkylpiperidin-Verbindungen dieser Klasse sind folgende Verbindungen:
- 50) 9-Aza-8,8,10,10-tetramethyl-1,5-dioxaspiro[5.5]undecan
- 51) 9-Aza-8,8,10,10-tetramethyl-3-ethyl-1,5-dioxaspiro[5.5]undecan
- 52) 8-Aza-2,7,7,8,9,9-hexamethyl-1,4-dioxaspiro[4.5]decan
- 53) 9-Aza-3-hydroxymethyl-3-ethyl-8,8,9,10,10-pentamethyl-1,5-dioxaspiro [5.5]undecan
- 54) 9-Aza-3-ethyl-3-acetoxymethyl-9-acetyl-8,8,10,10-tetramethyl-1,5-dioxaspiro[5.5]undecan
- 55) 2,2,6,6-Tetramethylpiperidin-4-spiro-2′-(1′,3′-dioxan)-5′-spiro-5˝-(1˝,3˝-dioxan)-2˝-spiro-4‴-(2‴,2‴,6‴,6‴,-tetramethylpiperidin).
- 50) 9-aza-8,8,10,10-tetramethyl-1,5-dioxaspiro [5.5] undecane
- 51) 9-Aza-8,8,10,10-tetramethyl-3-ethyl-1,5-dioxaspiro [5.5] undecane
- 52) 8-aza-2,7,7,8,9,9-hexamethyl-1,4-dioxaspiro [4.5] decane
- 53) 9-Aza-3-hydroxymethyl-3-ethyl-8,8,9,10,10-pentamethyl-1,5-dioxaspiro [5.5] undecane
- 54) 9-Aza-3-ethyl-3-acetoxymethyl-9-acetyl-8,8,10,10-tetramethyl-1,5-dioxaspiro [5.5] undecane
- 55) 2,2,6,6-tetramethylpiperidine-4-spiro-2 ′ - (1 ′, 3′-dioxane) -5′-spiro-5˝- (1˝, 3˝-dioxane) -2˝- spiro-4 ‴ - (2 ‴, 2 ‴, 6 ‴, 6 ‴, - tetramethylpiperidine).
d) Verbindungen der Formeln VIIA, VIIB und VIIC
Bedeuten etwaige Substituenten C₁-C₁₂-Alkyl, so stellen sie z.B. Methyl, Ethyl, n-Propyl, n-Butyl, sek.-Butyl, tert.-Butyl, n-Hexyl, n-Octyl, 2-Ethyl-hexyl, n-Nonyl, n-Decyl, n-Undecyl oder n-Dodecyl dar.If any substituents are C₁-C₁₂-alkyl, they represent e.g. Methyl, ethyl, n-propyl, n-butyl, sec-butyl, tert-butyl, n-hexyl, n-octyl, 2-ethyl-hexyl, n-nonyl, n-decyl, n-undecyl or n- Dodecyl.
Etwaige Substituenten in der Bedeutung von C₁-C₁₈-Alkyl können z.B. die oben angeführten Gruppen und dazu noch beispielsweise n-Tridecyl, n-Tetradecyl, n-Hexadecyl oder n-Octadecyl darstellen.Any substituents in the meaning of C₁-C₁₈-alkyl can represent, for example, the groups mentioned above and, for example, n-tridecyl, n-tetradecyl, n-hexadecyl or n-octadecyl.
Bedeuten etwaige Substituenten C₂-C₆-Alkoxyalkyl, so stellen sie z.B. Methoxymethyl, Ethoxymethyl, Propoxymethyl, tert.-Butoxymethyl, Ethoxyethyl, Ethoxypropyl, n-Butoxyethyl, tert.-Butoxyethyl, Isopropoxyethyl oder Propoxypropyl dar.If any substituents are C₂-C₆-alkoxyalkyl, they represent e.g. Methoxymethyl, ethoxymethyl, propoxymethyl, tert-butoxymethyl, ethoxyethyl, ethoxypropyl, n-butoxyethyl, tert-butoxyethyl, isopropoxyethyl or propoxypropyl.
Stellt R¹⁷ C₃-C₅-Alkenyl dar, so bedeutet es z.B. 1-Propenyl, Allyl, Methallyl, 2-Butenyl oder 2-Pentenyl.If R¹⁷ is C₃-C₅-alkenyl, it means e.g. 1-propenyl, allyl, methallyl, 2-butenyl or 2-pentenyl.
Als C₇-C₉-Aralkyl sind R¹⁷, T₁ und T₂ insbesondere Phenethyl oder vor allem Benzyl. Bilden T₁ und T₂ zusammen mit dem C-Atom einen Cycloalkanring, so kann dies z.B. ein Cyclopentan-, Cyclohexan-, Cyclooctan- oder Cyclododecanring sein.As C₇-C₉ aralkyl R¹⁷, T₁ and T₂ are especially phenethyl or especially benzyl. If T₁ and T₂ form a cycloalkane ring together with the C atom, this can e.g. be a cyclopentane, cyclohexane, cyclooctane or cyclododecane ring.
Bedeutet R¹⁷ C₂-C₄-Hydroxyalkyl, so stellt es z.B. 2-Hydroxyethyl, 2-Hydroxypropyl, 2-Hydroxybutyl oder 4-Hydroxybutyl dar.If R¹⁷ is C₂-C₄-hydroxyalkyl, it is e.g. 2-hydroxyethyl, 2-hydroxypropyl, 2-hydroxybutyl or 4-hydroxybutyl.
Als C₆-C₁₀-Aryl bedeuten R¹⁷, T₁ und T₂ insbesondere Phenyl, α- oder β-Naphthyl, die gegebenenfalls mit Halogen oder C₁-C₄-Alkyl substituiert sind.As C₆-C₁₀ aryl, R¹⁷, T₁ and T₂ mean in particular phenyl, α- or β-naphthyl, which are optionally substituted by halogen or C₁-C₄-alkyl.
Stellt R¹⁷ C₂-C₁₂-Alkylen dar, so handelt es sich z.B. um Ethylen, Propylen, 2,2-Dimethylpropylen, Tetramethylen, Hexamethylen, Octamethylen, Decamethylen oder Dodecamethylen.If R¹⁷ is C₂-C₁₂ alkylene, it is e.g. around ethylene, propylene, 2,2-dimethylpropylene, tetramethylene, hexamethylene, octamethylene, decamethylene or dodecamethylene.
Als C₄-C₁₂-Alkenylen bedeutet R¹⁷ insbesondere 2-Butenylen, 2-Pentenylen oder 3-Hexenylen.As C₄-C₁₂ alkenylene, R¹⁷ means in particular 2-butenylene, 2-pentenylene or 3-hexenylene.
Bedeutet R¹⁷ C₆-C₁₂ Arylen, so stellt es beispielsweise o-, m- oder p-Phenylen, 1,4-Naphthylen oder 4,4′-Diphenylen dar.R¹⁷ means C₆-C₁₂ arylene, it represents, for example, o-, m- or p-phenylene, 1,4-naphthylene or 4,4'-diphenylene.
Bedeutet Z′ C₂-C₁₂ Alkanoyl, so stellt es beispielsweise Propionyl, Butyryl, Octanoyl, Dodecanoyl, aber bevorzugt Acetyl dar.Z 'means C₂-C₁₂ alkanoyl, for example propionyl, butyryl, octanoyl, dodecanoyl, but preferably acetyl.
D hat als C₂-C₁₀ Alkylen, C₆-C₁₅ Arylen oder C₆-C₁₂ Cycloalkylen die unter b) angegebene Bedeutung.D as C₂-C₁₀ alkylene, C₆-C₁₅ arylene or C₆-C₁₂ cycloalkylene has the meaning given under b).
Beispiele für Polyalkylpiperidin-Verbindungen dieser Klasse sind folgende Verbindungen:
- 56) 3-Benzyl-1,3,8-triaza-7,7,9,9-tetramethylspiro[4.5]decan-2,4-dion
- 57) 3-n-Octyl-1,3,8-triaza-7,7,9,9-tetramethylspiro[4.5]decan-2,4-dion
- 58) 3-Allyl-1,3,8-triaza-1,7,7,9,9-pentamethylspiro[4.5]decan-2,4-dion
- 59) 3-Glycidyl-1,3,8-triaza-7,7,8,9,9-pentamethylspiro[4.5]decan-2,4-dion
- 60) 1,3,7,7,8,9,9-Heptamethyl-1,3,8-triazaspiro[4.5]decan-2,4-dion
- 61) 2-Iso-propyl-7,7,9,9-tetramethyl-1-oxa-3,8-diaza-4-oxo-spiro-[4.5]decan
- 62) 2,2-Dibutyl-7,7,9,9-tetramethyl-1-oxa-3,8-diaza-4-oxo-spiro-[4.5]decan
- 63) 2,2,4,4-Tetramethyl-7-oxa-3,20-diaza-21-oxo-dispiro[5.1.11.2]-heneicosan
- 64) 2-Butyl-7,7,9,9-tetramethyl-1-oxa-4,8-diaza-3-oxo-spiro-[4,5]decan
- 65) 8-Acetyl-3-dodecyl-1,3,8-triaza-7,7,9,9-tetramethylspiro[4,5]-decan-2,4-dion
- 56) 3-Benzyl-1,3,8-triaza-7,7,9,9-tetramethylspiro [4.5] decane-2,4-dione
- 57) 3-n-Octyl-1,3,8-triaza-7,7,9,9-tetramethylspiro [4.5] decane-2,4-dione
- 58) 3-Allyl-1,3,8-triaza-1,7,7,9,9-pentamethylspiro [4.5] decane-2,4-dione
- 59) 3-Glycidyl-1,3,8-triaza-7,7,8,9,9-pentamethylspiro [4.5] decane-2,4-dione
- 60) 1,3,7,7,8,9,9-heptamethyl-1,3,8-triazaspiro [4.5] decane-2,4-dione
- 61) 2-Iso-propyl-7,7,9,9-tetramethyl-1-oxa-3,8-diaza-4-oxo-spiro- [4.5] decane
- 62) 2,2-Dibutyl-7,7,9,9-tetramethyl-1-oxa-3,8-diaza-4-oxo-spiro- [4.5] decane
- 63) 2,2,4,4-tetramethyl-7-oxa-3,20-diaza-21-oxo-dispiro [5.1.11.2] heneicosane
- 64) 2-Butyl-7,7,9,9-tetramethyl-1-oxa-4,8-diaza-3-oxo-spiro [4,5] decane
- 65) 8-Acetyl-3-dodecyl-1,3,8-triaza-7,7,9,9-tetramethylspiro [4,5] -decane-2,4-dione
e) Verbindungen der Formel VIII
Bedeuten etwaige Substituenten C₁-C₁₂-Alkyl, so stellen sie beispielsweise Methyl, Ethyl, n-Propyl, n-Butyl, sek.-Butyl, tert.-Butyl, n-Hexyl, n-Octyl, 2-Ethylhexyl, n-Nonyl, n-Decyl, n-Undecyl oder n-Dodecyl dar.If any substituents are C₁-C₁₂-alkyl, they are, for example, methyl, ethyl, n-propyl, n-butyl, sec-butyl, tert-butyl, n-hexyl, n-octyl, 2-ethylhexyl, n-nonyl , n-decyl, n-undecyl or n-dodecyl.
Bedeuten etwaige Substituenten C₁-C₄-Hydroxyalkyl, so stellen sie z.B. 2-Hydroxyethyl, 2-Hydroxypropyl, 3-Hydroxypropyl, 2-Hydroxybutyl oder 4-Hydroxybutyl dar.If any substituents are C₁-C₄-hydroxyalkyl, they represent e.g. 2-hydroxyethyl, 2-hydroxypropyl, 3-hydroxypropyl, 2-hydroxybutyl or 4-hydroxybutyl.
Bedeutet A C₂-C₆ Alkylen, so stellt es beispielsweise Ethylen, Propylen, 2,2-Dimethylpropylen, Tetramethylen oder Hexamethylen dar.A means C₂-C₆ alkylene, it represents, for example, ethylene, propylene, 2,2-dimethylpropylene, tetramethylene or hexamethylene.
Stellen R²¹ und R²² zusammen C₄-C₅-Alkylen oder Oxaalkylen dar, so bedeutet dies z.B. Tetramethylen, Pentamethylen oder 3-Oxapentamethylen.If R²¹ and R²² together represent C₄-C₅-alkylene or oxaalkylene, this means e.g. Tetramethylene, pentamethylene or 3-oxapentamethylene.
Beispiele für Polyalkylpiperidin-Verbindungen dieser Klasse sind die Verbindungen der folgenden Formeln:
f) Oligomere oder polymere Verbindungen, deren wiederkehrende Struktureinheit einen 2,2,6,6-Tetraalkylpiperidinrest der Formel (I) enthält, insbesondere Polyester, Polyäther, Polyamide, Polyamine, Polyurethane, Polyharnstoffe, Polyaminotriazine, Poly(meth)acrylate, Poly(meth)acrylamide und deren Copolymere, die solche Reste enthalten.f) oligomers or polymeric compounds whose recurring structural unit contains a 2,2,6,6-tetraalkylpiperidine radical of the formula (I), in particular polyesters, polyethers, polyamides, polyamines, polyurethanes, polyureas, polyaminotriazines, poly (meth) acrylates, poly ( meth) acrylamides and their copolymers which contain such radicals.
Beispiele für 2,2,6,6-Polyalkylpiperidin-Lichtschutzmittel dieser Klasse sind die Verbindungen der folgenden Formeln, wobei m eine Zahl von 2 bis etwa 200 bedeutet.
Bevorzugt sind Verbindungen der Formel IX, worin R Wasserstoff oder Methyl ist und R¹¹ Wasserstoff oder Methyl ist.Preferred compounds of formula IX are those in which R is hydrogen or methyl and R 11 is hydrogen or methyl.
Beispiele für solche Verbindungen sind:
- 95) 2,2,6,6-Tetramethyl-4-piperidon (Triacetonamin)
- 96) 1,2,2,6,6-Pentamethyl-4-piperidon
- 97) 2,2,6,6-Tetramethyl-4-piperidon-1-oxyl
- 98) 2,3,6-Trimethyl-2,6-diethyl-4-piperidon
- 95) 2,2,6,6-tetramethyl-4-piperidone (triacetonamine)
- 96) 1,2,2,6,6-pentamethyl-4-piperidone
- 97) 2,2,6,6-tetramethyl-4-piperidone-1-oxyl
- 98) 2,3,6-trimethyl-2,6-diethyl-4-piperidone
Die Menge des Zusatzes von (B) und (C) zum Basisöl (A) richtet sich nach der Art des Basisöls und nach dem gewünschten Stabilisierungsgrad. Im allgemeinen beträgt die Summe von (B) und (C) 0,1 bis 2 Gew.-%, vorzugsweise 0,5 bis 1 Gew.-%, bezogen auf (A). Das Verhältnis von (B) zu (C) kann in weiten Grenzen variiert werden, im allgemeinen ist (B) die mengenmässig überwiegende Komponente. Vorzugsweise beträgt das Verhältnis (B):(C) 3-5:1.The amount of (B) and (C) added to the base oil (A) depends on the type of base oil and the desired degree of stabilization. In general, the sum of (B) and (C) is 0.1 to 2% by weight, preferably 0.5 to 1% by weight, based on (A). The ratio of (B) to (C) can be varied within wide limits; in general, (B) is the predominant component in terms of quantity. The ratio (B) :( C) is preferably 3-5: 1.
Die Komponente (A) ist ein mineralisches oder synthetisches Basisöl, wie es zur Bereitung von Schmierstoffen üblich ist. Synthetische Oele können z.B. Ester von Polycarbonsäuren oder von Polyolen sein, sie können aliphatische Polyester sein oder Poly-α-olefine, Silicone, Phosphorsäureester oder Polyalkylenglykole. Der Schmierstoff kann auch ein Fett auf Basis eines Oeles und eines Verdickungsmittels sein. Solche Schmierstoffe sind z.B. in D. Klamann "Schmierstoffe und artverwandte Produkte", Verlag Chemie, Weinheim 1982, beschrieben.Component (A) is a mineral or synthetic base oil, as is common for the preparation of lubricants. Synthetic oils can e.g. Esters of polycarboxylic acids or of polyols, they can be aliphatic polyesters or poly-α-olefins, silicones, phosphoric acid esters or polyalkylene glycols. The lubricant can also be a grease based on an oil and a thickener. Such lubricants are e.g. described in D. Klamann "Lubricants and related products", Verlag Chemie, Weinheim 1982.
Der Schmierstoff kann zusätzlich andere Additive enthalten wie z.B. weitere Antioxidantien, Metallpassivatoren, Rostinhibitoren, Viskositätsindex-Verbesserer, Stockpunktserniedriger, Dispergiermittel, Tenside oder Verschleissschutz-Additive.The lubricant can also contain other additives such as e.g. further antioxidants, metal passivators, rust inhibitors, viscosity index improvers, pour point depressants, dispersants, surfactants or wear protection additives.
2,6-Di-tert-butyl-4-methylphenol, 2,6-Di-tert-butylphenol, 2-tert-Butyl-4,6-dimethylphenol, 2,6-Di-tert-butyl-4-ethylphenol, 2,6-Di-tert-butyl-4-n-butylphenol, 2,6-Di-tert-butyl-4-iso-butylphenol, 2,6-Di-cyclopentyl-4-methylphenol, 2-(α-Methylcyclohexyl)-4,6-dimethylphenol, 2,6-Di-octadecyl-4-methylphenol, 2,4,6-Tri-cyclohexylphenol, 2,6-Di-tert-butyl-4-methoxymethylphenol, o-tert-Butylphenol.2,6-di-tert-butyl-4-methylphenol, 2,6-di-tert-butylphenol, 2-tert-butyl-4,6-dimethylphenol, 2,6-di-tert-butyl-4-ethylphenol, 2,6-di-tert-butyl-4-n-butylphenol, 2,6-di-tert-butyl-4-iso-butylphenol, 2,6-di-cyclopentyl-4-methylphenol, 2- (α-methylcyclohexyl ) -4,6-dimethylphenol, 2,6-di-octadecyl-4-methylphenol, 2,4,6-tri-cyclohexylphenol, 2,6-di-tert-butyl-4-methoxymethylphenol, o-tert-butylphenol.
2,6-Di-tert-butyl-4-methoxyphenol, 2,5-Di-tert-butyl-hydrochinon, 2,5-Di-tert-amyl-hydrochinon, 2,6-Diphenyl-4-octadecyloxyphenol.2,6-di-tert-butyl-4-methoxyphenol, 2,5-di-tert-butyl-hydroquinone, 2,5-di-tert-amyl-hydroquinone, 2,6-diphenyl-4-octadecyloxyphenol.
2,2′-Thio-bis-(6-tert-butyl-4-methylphenol), 2,2′-Thio-bis-(4-octylphenol), 4,4′-Thio-bis-(6-tert-butyl-3-methylphenol), 4,4′-Thio-bis-(6-tert-butyl-2-methylphenol).2,2'-thio-bis- (6-tert-butyl-4-methylphenol), 2,2'-thio-bis- (4-octylphenol), 4,4'-thio-bis- (6-tert- butyl-3-methylphenol), 4,4'-thio-bis- (6-tert-butyl-2-methylphenol).
2,2′-Methylen-bis-(6-tert-butyl-4-methylphenol), 2,2′-Methylen-bis-(6-tert-butyl-4-ethylphenol), 2,2′-Methylen-bis-[4-methyl-6-(α-methylcyclohexyl)-phenol], 2,2′-Methylen-bis-(4-methyl-6-cyclohexylphenol), 2,2′-Methylen-bis-(6-nonyl-4-methylphenol), 2,2′-Methylen-bis-(4,6-di-tert-butylphenol), 2,2′-Ethyliden-bis-(4,6-di-tert-butylphenol), 2,2′-Ethyliden-bis-(6-tert-butyl-4- oder -5-iso-butylphenol), 2,2′-Methylen-bis-[6-(α-methylbenzyl)-4-nonylphenol], 2,2′-Methylen-bis-[6-(α,α-dimethylbenzyl)-4-nonylphenol], 4,4′-Methylen-bis-(2,6-di-tert-butylphenol), 4,4′-Methylen-bis-(6-tert-butyl-2-methylphenol), 1,1-Bis-(5-tert-butyl-4-hydroxy-2-methylphenyl)-butan, 2,6-Di-(3-tert-butyl-5-methyl-2-hydroxybenzyl)-4-methylphenol, 1,1,3-Tris-(5-tert-butyl-4-hydroxy-2-methylphenyl)-3-n-dodecylmercaptobutan, Ethylenglycol-bis-[3,3-bis-(3′-tert-butyl-4′-hydroxyphenyl)-butyrat], Bis-(3-tert-butyl-4-hydroxy-5-methylphenyl)-dicyclopentadien, Bis-[2-(3′-tert-butyl-2′ -hydroxy-5′-methyl-benzyl)-6-tert-butyl-4-methyl-phenyl-terephthalat.2,2'-methylene-bis- (6-tert-butyl-4-methylphenol), 2,2'-methylene-bis- (6-tert-butyl-4-ethylphenol), 2,2'-methylene-bis - [4-methyl-6- (α-methylcyclohexyl) phenol], 2,2'-methylene-bis- (4-methyl-6-cyclohexylphenol), 2,2'-methylene-bis- (6-nonyl- 4-methylphenol), 2,2'-methylene-bis- (4,6-di-tert-butylphenol), 2,2'-ethylidene-bis- (4,6-di-tert-butylphenol), 2,2 '-Ethylidene-bis- (6-tert-butyl-4- or -5-iso-butylphenol), 2,2'-methylene-bis- [6- (α-methylbenzyl) -4-nonylphenol], 2.2 '-Methylene-bis- [6- (α, α-dimethylbenzyl) -4-nonylphenol], 4,4'-methylene-bis- (2,6-di-tert-butylphenol), 4,4'-methylene- bis- (6-tert-butyl-2-methylphenol), 1,1-bis (5-tert-butyl-4-hydroxy-2-methylphenyl) butane, 2,6-di- (3-tert-butyl -5-methyl-2-hydroxybenzyl) -4-methylphenol, 1,1,3-tris (5-tert-butyl-4-hydroxy-2-methylphenyl) -3-n-dodecyl mercaptobutane, ethylene glycol bis- [3 , 3-bis (3'-tert-butyl-4'-hydroxyphenyl) butyrate], bis (3-tert-butyl-4-hydroxy-5-methylphenyl) dicyclopentadiene, bis- [2- (3 ' -t ert-butyl-2 '-hydroxy-5'-methyl-benzyl) -6-tert-butyl-4-methyl-phenyl-terephthalate.
1,3,5-Tri-(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzol, Bis-(3,5-di-tert-butyl-4-hydroxybenzyl)-sulfid, 3,5-Di-tert-butyl-4-hydroxybenzyl-mercaptoessigsäure-isooctylester, Bis-(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)-dithiol-terephthalat, 1,3,5-Tris-(3,5-di-tert-butyl-4-hydroxybenzyl)-isocyanurat, 1,3,5-Tris-(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)-isocyanurat, 3,5-Di-tert-butyl-4-hydroxybenzyl-phosphonsäure-dioctadecylester, 3,5-Di-tert-butyl-4-hydroxybenzyl-phosphonsäure-monoethylester, Calcium-salz.1,3,5-tri (3,5-di-tert-butyl-4-hydroxybenzyl) -2,4,6-trimethylbenzene, bis- (3,5-di-tert-butyl-4-hydroxybenzyl) - sulfide, isooctyl 3,5-di-tert-butyl-4-hydroxybenzyl-mercaptoacetic acid, bis- (4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl) -dithiol terephthalate, 1,3,5- Tris (3,5-di-tert-butyl-4-hydroxybenzyl) isocyanurate, 1,3,5-tris (4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl) isocyanurate, 3, 5-di-tert-butyl-4-hydroxybenzylphosphonic acid dioctadecyl ester, 3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid monoethyl ester, calcium salt.
4-Hydroxy-laurinsäureanilid, 4-Hydroxy-stearinsäureanilid, 2,4-Bis-octylmercapto-6-( 3, 5-di-tert-butyl-4-hydroxyanilino)-s-triazin, N-( 3, 5-di-tert-butyl-4-hydroxyphenyl)-carbaminsäureoctylester.4-hydroxy-lauric anilide, 4-hydroxy-stearic anilide, 2,4-bis-octylmercapto-6- (3,5-di-tert-butyl-4-hydroxyanilino) -s-triazine, N- (3,5-di tert-butyl-4-hydroxyphenyl) carbamic acid octyl ester.
mit ein- oder mehrwertigen Alkoholen, wie z.B. mit Methanol, Diethylenglycol, Octadecanol, Triethylenglycol, 1,6-Hexandiol, Pentaerythrit, Neopentylglycol, Tris-hydroxyethyl-isocyanurat, Thiodiethylenglycol, Bis-hydroxyethyl-oxalsäurediamid.with mono- or polyhydric alcohols, e.g. with methanol, diethylene glycol, octadecanol, triethylene glycol, 1,6-hexanediol, pentaerythritol, neopentyl glycol, tris-hydroxyethyl isocyanurate, thiodiethylene glycol, bis-hydroxyethyl oxalic acid diamide.
mit ein- oder mehrwertigen Alkoholen, wie z.B. mit Methanol, Diethylenglycol, Octadecanol, Triethylenglycol, 1,6-Hexandiol, Pentaerythrit, Neopentylglycol, Tris-hydroxyethyl-isocyanurat, Thiodiethylenglycol, Di-hydroxyethyl-oxalsäurediamid.with mono- or polyhydric alcohols, e.g. with methanol, diethylene glycol, octadecanol, triethylene glycol, 1,6-hexanediol, pentaerythritol, neopentyl glycol, tris-hydroxyethyl isocyanurate, thiodiethylene glycol, di-hydroxyethyl oxalic acid diamide.
wie z.B. N,N′-Bis-(3,5-di-tert-butyl-4-hydroxyphenylpropionyl)-hexamethylendiamin, N,N′-Bis-(3,5-di-tert-butyl-4-hydroxyphenylpropionyl)-trimethylendiamin, N,N′-Bis-(3,5-di-tert-butyl-4-hydroxyphenylpropionyl)-hydrazin.such as. N, N'-bis (3,5-di-tert-butyl-4-hydroxyphenylpropionyl) hexamethylene diamine, N, N'-bis (3,5-di-tert-butyl-4-hydroxyphenylpropionyl) trimethylene diamine, N, N'-bis (3,5-di-tert-butyl-4-hydroxyphenylpropionyl) hydrazine.
Aliphatische oder aromatische Phosphite, Ester der Thiodipropionsäure oder der Thiodiessigsäure, oder Salze der Dithiocarbamid- oder Dithiophosphorsäure.Aliphatic or aromatic phosphites, esters of thiodipropionic acid or thiodiacetic acid, or salts of dithiocarbamide or dithiophosphoric acid.
Triazole, Benztriazole und deren Derivate, Tolutriazole und deren Derivate, 2-Mercaptobenzthiazol, 2-Mercaptobenztriazol, 2,5-Dimercaptobenztriazol, 2,5-Dimercaptobenzthiadiazol, 5,5′-Methylenbisbenztriazol, 4,5,6,7-Tetrahydrobenztriazol, Salicyliden-propylendiamin, Salicylaminoguanidin und dessen Salze.Triazoles, benzotriazoles and their derivatives, tolutriazoles and their derivatives, 2-mercaptobenzthiazole, 2-mercaptobenztriazole, 2,5-dimercaptobenztriazole, 2,5-dimercaptobenzthiadiazole, 5,5'-methylenebisbenzotriazole, 4,5,6,7-tetrahydrobenztriazole, salicylides -propylenediamine, salicylaminoguanidine and its salts.
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a) Organische Säuren, ihre Ester, Metallsalze und Anhydride, z.B.:
N-Oleoyl-sarcosin, Sorbitan-mono-oleat, Blei-naphthenat, Alkenylbernsteinsäureanhydrid, z.B. Dodecenylbernsteinsäure-anhydrid, Alkenylbernsteinsäure-Teilester und -Teilamide, 4-Nonylphenoxyessigsäure.a) Organic acids, their esters, metal salts and anhydrides, for example:
N-oleoyl-sarcosine, sorbitan mono-oleate, lead naphthenate, alkenylsuccinic anhydride, for example dodecenylsuccinic anhydride, alkenylsuccinic acid partial esters and partial amides, 4-nonylphenoxyacetic acid. -
b) Stickstoffhaltige Verbindungen, z.B.:
- I. Primäre, sekundäre oder tertiäre aliphatische oder cycloaliphatische Amine und Amin-Salze von organischen und anorganischen Säuren, z.B. öllösliche Alkylammoniumcarboxylate.
- II. Heterocyclische Verbindungen, z.B.:
Substituierte Imidazoline und Oxazoline.
- I. Primary, secondary or tertiary aliphatic or cycloaliphatic amines and amine salts of organic and inorganic acids, for example oil-soluble alkylammonium carboxylates.
- II. Heterocyclic compounds, for example:
Substituted imidazolines and oxazolines.
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c) Phosphorhaltige Verbindungen, z.B.:
Aminsalze von Phosphorsäurepartialestern oder Phosphonsäurepartialestern, Zinkdialkyldithiophosphate.c) phosphorus-containing compounds, for example:
Amine salts of phosphoric acid partial esters or phosphonic acid partial esters, zinc dialkyldithiophosphates. -
d) Schwefelhaltige Verbindungen, z.B.:
Barium-dinonylnaphthalin-sulfonate, Calciumpetroleum-sulfonate.d) sulfur-containing compounds, for example:
Barium dinonylnaphthalene sulfonates, calcium petroleum sulfonates.
Polyacrylate, Polymethacrylate, Vinylpyrrolidon/Methacrylat-Copolymere, Polyvinylpyrrolidone, Polybutene, Olefin-Copolymere, Styrol/Acrylat-Copolymere, Polyether.Polyacrylates, polymethacrylates, vinyl pyrrolidone / methacrylate copolymers, polyvinyl pyrrolidones, polybutenes, olefin copolymers, styrene / acrylate copolymers, polyethers.
Polymethacrylat, alkylierte Naphthalinderivate.Polymethacrylate, alkylated naphthalene derivatives.
Polybutenylbernsteinsäureamide oder -imide, Polybutenylphosphonsäurederivate, basische Magnesium-, Calcium-, und Bariumsulfonate und -phenolate.Polybutenylsuccinic acid amides or imides, polybutenylphosphonic acid derivatives, basic magnesium, calcium and barium sulfonates and phenolates.
Schwefel und/oder Phosphor und/oder Halogen enthaltende Verbindungen, wie geschwefelte pflanzliche Oele, Zinkdialkyldithiophosphate, Tritolyl-phosphat, chlorierte Paraffine, Alkyl- und Aryldi- und tri-sulfide, Triphenylphosphorothionate, Diethanolaminomethyltolyltriazol, Di(2-ethylhexyl)aminomethyltolyltriazol.Compounds containing sulfur and / or phosphorus and / or halogen, such as sulfurized vegetable oils, zinc dialkyldithiophosphates, tritolyl phosphate, chlorinated paraffins, alkyl and aryl di- and tri-sulfides, triphenyl phosphorothionates, diethanolaminomethyltolyltriazole, di (2-ethyltylylolyl) aminol.
Von besonderer Bedeutung ist der Zusatz von phenolischen Antioxidantien und/oder von aliphatischen und aromatischen Phosphiten oder Phosphoniten, die die Stabilisatorwirkung der Komponenten (B) und (C) erhöhen können.Of particular importance is the addition of phenolic antioxidants and / or of aliphatic and aromatic phosphites or phosphonites, which can increase the stabilizing effect of components (B) and (C).
Beispiele für verwendbare Phosphite und Phosphonite sind:
Triphenylphosphit, Decyl-diphenylphosphit, Phenyl-didecylphosphit, Tris-(nonylphenyl)-phosphit, Trilaurylphosphit, Trioctadecylphosphit, Distearyl-pentaerythritdiphosphit, Tris-(2,4-di-tert.butylphenyl)-phosphit, Diisodecylpentaerythrit-diphosphit, Bis-(2,4-di-tert.butylphenyl)-pentaerythritdiphosphit, Tristearyl-sorbit-triphosphit, Tetrakis-(2,4-di-tert.butylphenyl)-4, 4′-biphenylen-diphosphonit, Bis-(2,6-di-tert.butyl-4-methyl-phenyl)-pentaerythrit-diphosphit.Examples of usable phosphites and phosphonites are:
Triphenyl phosphite, decyl diphenyl phosphite, phenyl didecyl phosphite, tris- (nonylphenyl) phosphite, trilauryl phosphite, trioctadecyl phosphite, distearyl-pentaerythritol diphosphite, tris- (2,4-di-tert.butylphenyl) -phosphite, diisodechritol , 4-di-tert.butylphenyl) pentaerythritol diphosphite, tristearyl sorbitol triphosphite, tetrakis (2,4-di-tert.butylphenyl) -4, 4′-biphenylene diphosphonite, bis- (2,6-di- tert-butyl-4-methylphenyl) pentaerythritol diphosphite.
Die einzelnen Zusätze werden im Oel gelöst. Zur Beschleunigung des Lösevorganges kann das Oel erwärmt werden oder man löst die Zusätze in einem Lösungsmittel vor.The individual additives are dissolved in the oil. To accelerate the dissolving process, the oil can be heated or the additives can be pre-dissolved in a solvent.
Der Schmierstoff kann auch Zusätze an festen Schmierstoffen enthalten, wie z.B. Graphit oder Molybdänsulfid.The lubricant can also contain additives to solid lubricants, e.g. Graphite or molybdenum sulfide.
Die nachfolgenden Beispiele erläutern die Erfindung näher. Darin bedeuten Teile Gewichtsteile und Prozente Gewichtsprozente, soweit nicht anders angegeben.The following examples explain the invention in more detail. Parts by weight and percentages mean percentages by weight, unless stated otherwise.
Mittels eines Differential-Scanning-Calorimeters (Thermoanalysator 1090 der Fa. Du Pont) wird die Induktionszeit der Oxidation von Oelproben durch Luft, die 400 ppm NO₂ enthält, unter isothermen Bedingungen gemessen. Die Messung geschieht bei 170°C unter einem Druck von 8 bar. Als Basisöl wird ein Standard-Mineralöl (Aral® 136) verwendet, dem 1 Vol-% 1-Decen zur Steigerung der Sauerstoffempfindlichkeit zugesetzt wird. Zum Oel werden die folgenden Amin-Stabilisatoren zugesetzt.Using a differential scanning calorimeter (thermal analyzer 1090 from Du Pont), the induction time of the oxidation of oil samples by air containing 400 ppm NO₂ is measured under isothermal conditions. The measurement takes place at 170 ° C under a pressure of 8 bar. A standard mineral oil (Aral® 136) is used as the base oil, to which 1% by volume 1-decene is added to increase the sensitivity to oxygen. The following amine stabilizers are added to the oil.
-
A-1 Technisches Gemisch erhalten durch Reaktion von Diphenylamin mit Diisobutylen, enthaltend
- a) 3 % Diphenylamin
- b) 14 % 4-tert.Butyl-diphenylamin,
- c) 30 % 4-tert.Octyl-diphenylamin, 4,4′-Di-tert.butyl-diphenylamin und 2,4,4′-Tri-tert.butyl-diphenylamin,
- d) 29 % 4-tert.Butyl-4′-tert.octyl-diphenylamin, 2,2′- und 3,3′-Ditert.octyl-diphenylamin und 2,4-Di-tert.butyl-4′-tert.octyl-diphenylamin,
- e) 18 % 4,4′-Di-tert.octyl-diphenylamin,
- f) 6 % 2,4-Di-tert.octyl-4′-tert.butyl-diphenylamin.
- a) 3% diphenylamine
- b) 14% 4-tert-butyl-diphenylamine,
- c) 30% of 4-tert-octyl-diphenylamine, 4,4'-di-tert-butyl-diphenylamine and 2,4,4'-tri-tert-butyl-diphenylamine,
- d) 29% 4-tert-butyl-4'-tert.octyl-diphenylamine, 2,2'- and 3,3'-ditert.octyl-diphenylamine and 2,4-di-tert.butyl-4'-tert .octyl-diphenylamine,
- e) 18% 4,4'-di-tert-octyl-diphenylamine,
- f) 6% 2,4-di-tert.octyl-4'-tert.butyl-diphenylamine.
- A-2 3,7-Di(tert.octyl)-phenothiazinA-2 3,7-di (tert-octyl) phenothiazine
- H-1 Di-(2,2,6,6-tetramethylpiperidin-4-yl)-sebacatH-1 di- (2,2,6,6-tetramethylpiperidin-4-yl) sebacate
- H-2 2,2,6,6-Tetramethyl-4-piperidonH-2 2,2,6,6-tetramethyl-4-piperidone
- H-3 Di-(2,2,6,6-tetramethylpiperidin-4-yl)-succinatH-3 di- (2,2,6,6-tetramethylpiperidin-4-yl) succinate
- H-4 Di-(1,2,2,6,6-pentamethylpiperidin-4-yl)-sebacatH-4 di- (1,2,2,6,6-pentamethylpiperidin-4-yl) sebacate
- H-5 2,3,6-Trimethyl-2,6-diethyl-4-piperidonH-5 2,3,6-trimethyl-2,6-diethyl-4-piperidone
- H-6 2,2,6,6-Tetramethyl-4-butylaminopiperidinH-6 2,2,6,6-tetramethyl-4-butylaminopiperidine
In Tabelle 1 sind die Induktionszeiten angegeben. Je höher die Induktionszeit ist, desto höher ist die antioxidative Wirkung der Stabilisator-Zusätze.
Bei der Oxidation von Kohlenwasserstoffen entstehen sauerstoffhaltige Gruppen wie z.B. Hydroxyl-, Carboxyl- oder Estergruppen. Durch Infrarot-Spektroskopie lässt sich die Menge solcher Gruppen gut messen und daraus die Aktivität von Antioxidantien bestimmen. Hierzu werden Proben eines Standard-Mineralöls (Aral® 136), dem zur Erhöhung der Sauerstoffempfindlichkeit 1 Vol-% 1-Decen beigemischt wird, unter isothermen Bedingungen in einer Atmosphäre von Luft, der 400 ppm NO₂ zugemischt wird, unter einem Druck von 8 bar für 12 h erwärmt. Anschliessend wird die IR-Absorption bei 1730 cm⁻¹ und 1630⁻¹ gemessen. Je niedriger diese Werte sind, desto höher ist die Aktivität der Stabilisatoren. Die Tabellen 2a und 2b zeigen die Ergebnisse bei verschiedenen Temperaturen.
Das Oxidationsverhalten von erfindungsgemäss stabilisierten Schmierölen wurde auch nach der TOST-Methode (turbine oxidation stability test) gemäss ASTM D-943 geprüft.
Hierzu werden 300 ml eines Mineralöls (Mobil STOC K 305) mit 60 ml Wasser versetzt und in Gegenwart von Eisen- und Kupferdraht unter Durchleiten von Sauerstoff 1000 Stunden auf 95°C erwärmt. Gemessen wird die Bildung von Säuren durch Bestimmung der Neutralisationszahl TAN (mg KOH/g Oel) sowie die gebildete Menge an Schlamm = SLUDGE.The oxidation behavior of lubricating oils stabilized according to the invention was also tested according to the TOST method (turbine oxidation stability test) in accordance with ASTM D-943.
For this purpose, 300 ml of a mineral oil (Mobil STOC K 305) are mixed with 60 ml of water and heated to 95 ° C for 1000 hours in the presence of iron and copper wire while passing oxygen through. The formation of acids is measured by determining the neutralization number TAN (mg KOH / g oil) and the amount of sludge formed = SLUDGE.
Als Stabilisation wird das Amin A-1 allein und im Gemisch mit dem gehinderten Amin H-7 = 2,2,6,6-Tetramethyl-4-dodecyloxypiperidin verwendet, wobei die Gesamtkonzentration der Stabilisatoren immmer 0,25 %, bezogen auf das Oel, beträgt.
Analog Beispiel 1 wird die Induktionszeit der Oxidation bei 170°C gemessen. Dabei werden die folgenden gehinderten Amine verwendet:
- H-8 N,N′-Bis(2,2,6,6-tetramethylpiperidin-4-yl)-hexamethylendiamin
- H-9 N,N′-Bis(2,2,6,6-tetramethylpiperidin-4-yl)-pentamethylendiamin
- H-10 4-(3-Methoxypropylamino)-2,2,6,6-tetramethylpiperidin
- H-8 N, N'-bis (2,2,6,6-tetramethylpiperidin-4-yl) hexamethylene diamine
- H-9 N, N'-bis (2,2,6,6-tetramethylpiperidin-4-yl) pentamethylene diamine
- H-10 4- (3-methoxypropylamino) -2,2,6,6-tetramethylpiperidine
Wie in Beispiel 1 beschrieben wird die Induktionszeit der Oxidation bei 170°C gemessen. Hierbei wird als aromatisches Amin verwendet:
- A-3 N-(p-Octylphenyl)-1-naphthylamin
- A-3 N- (p-octylphenyl) -1-naphthylamine
Die Oxidationsbeständigkeit kann auch durch Messung der Viskositätszunahme bei Behandlung mit Sauerstoff bei erhöhter Temperatur gemessen werden.The resistance to oxidation can also be measured by measuring the increase in viscosity when treated with oxygen at elevated temperature.
Dazu wird durch das Oel 70 Stunden bei 150°C ein Sauerstoff-Strom (1l/h) durchgeleitet. Das Oel wird vorher mit einer katalytischen Menge eines Kupfernaphthenates sensibilisiert. Die Viskosität des Oeles wird vorher und nachher mit einem Ubbelode-Viskosimeter gemessen.
Claims (15)
R² Phenyl, C₇-C₁₀-Alkylphenyl, C₇-C₁₈-Alkoxyphenyl oder Naphthyl bedeutet,
R³ Wasserstoff, C₁-C₁₂-Alkyl, Benzyl, Allyl, Methallyl, Phenyl oder eine Gruppe -CH₂SR⁴ bedeutet,
R⁴ C₄-C₁₈-Alkyl, -CH₂COO(C₄-C₁₈-Alkyl) oder -CH₂CH₂COO(C₄-C₁₈-Alkyl) bedeutet, und
R⁵ und R⁶ unabhängig voneinander H, C₁-C₁₈-Alkyl oder C₇-C₉-Phenylalkyl bedeuten und
R² is phenyl, C₇-C₁₀-alkylphenyl, C₇-C₁₈-alkoxyphenyl or naphthyl,
R³ is hydrogen, C₁-C₁₂-alkyl, benzyl, allyl, methallyl, phenyl or a group -CH₂SR⁴,
R⁴ is C₄-C₁₈-alkyl, -CH₂COO (C₄-C₁₈-alkyl) or -CH₂CH₂COO (C₄-C₁₈-alkyl), and
R⁵ and R⁶ independently of one another are H, C₁-C₁₈-alkyl or C₇-C₉-phenylalkyl and
R¹ C₁-C₄-Alkyl, C₇-C₉-Phenylalkyl, Cyclohexyl, Phenyl, C₁₀-C₁₈-Alkylphenyl oder Naphthyl bedeutet,
R² C₁₀-C₁₈-Alkylphenyl oder Phenyl bedeutet,
R³ Wasserstoff, C₁-C₈-Alkyl, Benzyl, Allyl oder eine Gruppe -CH₂SR⁴ bedeutet,
R⁴ C₈-C₁₈-Alkyl oder -CH₂COO(C₈-C₁₈-Alkyl) bedeutet, und
R⁵ und R⁶ unabhängig voneinander H, C₁-C₁₂-Alkyl oder C₇-C₉-Phenylalkyl bedeuten.2. Composition according to claim 1, containing as component (B) at least one compound of formula I or II, wherein
R¹ is C₁-C₄-alkyl, C₇-C₉-phenylalkyl, cyclohexyl, phenyl, C₁₀-C₁₈-alkylphenyl or naphthyl,
R² is C₁₀-C₁₈ alkylphenyl or phenyl,
R³ is hydrogen, C₁-C₈-alkyl, benzyl, allyl or a group -CH₂SR⁴,
R⁴ is C₈-C₁₈-alkyl or -CH₂COO (C₈-C₁₈-alkyl), and
R⁵ and R⁶ independently of one another are H, C₁-C₁₂-alkyl or C₇-C₉-phenylalkyl.
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0406826A1 (en) * | 1989-07-07 | 1991-01-09 | Ciba-Geigy Ag | Lubricant composition |
EP0406825A1 (en) * | 1989-07-07 | 1991-01-09 | Ciba-Geigy Ag | Lubricant composition |
EP0432089A1 (en) * | 1989-11-08 | 1991-06-12 | Ciba-Geigy Ag | Lubricating oil compositions |
EP0475904A2 (en) * | 1990-09-13 | 1992-03-18 | Ciba-Geigy Ag | Mixtures and compositions containing phenothiazines |
FR2671354A1 (en) * | 1991-01-08 | 1992-07-10 | Ciba Geigy Ag | LUBRICATING COMPOSITIONS COMPRISING AN ASSOCIATION OF STABILIZERS. |
US5268113A (en) * | 1989-07-07 | 1993-12-07 | Ciba-Geigy Corporation | Lubricant composition |
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Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0406825A1 (en) * | 1989-07-07 | 1991-01-09 | Ciba-Geigy Ag | Lubricant composition |
EP0406826A1 (en) * | 1989-07-07 | 1991-01-09 | Ciba-Geigy Ag | Lubricant composition |
US5268113A (en) * | 1989-07-07 | 1993-12-07 | Ciba-Geigy Corporation | Lubricant composition |
US5167844A (en) * | 1989-11-08 | 1992-12-01 | Ciba-Geigy Corporation | Lubricant formulations |
EP0432089A1 (en) * | 1989-11-08 | 1991-06-12 | Ciba-Geigy Ag | Lubricating oil compositions |
EP0475904A2 (en) * | 1990-09-13 | 1992-03-18 | Ciba-Geigy Ag | Mixtures and compositions containing phenothiazines |
EP0475904A3 (en) * | 1990-09-13 | 1993-02-03 | Ciba-Geigy Ag | Mixtures and compositions containing phenothiazines |
GB2253411A (en) * | 1991-01-08 | 1992-09-09 | Ciba Geigy Ag | Lubricant compositions containing antioxidant additives |
BE1004925A5 (en) * | 1991-01-08 | 1993-02-23 | Ciba Geigy Ag | LUBRICANT COMPOSITIONS CONTAINING A COMBINATION OF STABILIZERS. |
US5198130A (en) * | 1991-01-08 | 1993-03-30 | Ciba-Geigy Corporation | Lubricant compositions |
FR2671354A1 (en) * | 1991-01-08 | 1992-07-10 | Ciba Geigy Ag | LUBRICATING COMPOSITIONS COMPRISING AN ASSOCIATION OF STABILIZERS. |
GB2253411B (en) * | 1991-01-08 | 1994-12-07 | Ciba Geigy Ag | Lubricant compositions |
US5773393A (en) * | 1991-09-16 | 1998-06-30 | The Lubrizol Corporation | Oil compositions useful in hydraulic fluids |
US6013704A (en) * | 1996-09-13 | 2000-01-11 | Ciba Specialty Chemicals Corporation | Hydroxyphenyltriazines |
WO2008015116A2 (en) * | 2006-07-31 | 2008-02-07 | Ciba Holding Inc. | Lubricant composition |
AU2007280548B2 (en) * | 2006-07-31 | 2012-04-05 | Basf Se | Lubricant composition |
RU2462505C2 (en) * | 2006-07-31 | 2012-09-27 | Циба Холдинг Инк. | Lubricant composition |
WO2008015116A3 (en) * | 2006-07-31 | 2008-03-20 | Ciba Sc Holding Ag | Lubricant composition |
US9370764B2 (en) | 2007-05-23 | 2016-06-21 | International Paper Company | Compositions and particles containing cellulosic fibers and stabilized-and/or activated-urease inhibitors, as well as methods of making and using the same |
US20080294132A1 (en) * | 2007-05-23 | 2008-11-27 | Zheng Tan | Cellulosic fiber compositions having odor control and methods of making and using the same |
US8809616B2 (en) * | 2007-05-23 | 2014-08-19 | International Paper Company | Cellulosic fiber compositions having odor control and methods of making and using the same |
EP2671449A1 (en) | 2012-06-06 | 2013-12-11 | Construction Research & Technology GmbH | Use of vanadium pentoxide particles as a biocide |
CN104640961A (en) * | 2012-08-14 | 2015-05-20 | 巴斯夫欧洲公司 | Polymer for lubricant compositions and method of forming the same |
EP2885388A4 (en) * | 2012-08-14 | 2016-03-09 | Basf Se | Polymer for lubricant compositions and method of forming the same |
US9688938B2 (en) | 2012-08-14 | 2017-06-27 | Basf Se | Lubrican composition comprising acyclic hindered amines |
US9862909B2 (en) | 2012-08-14 | 2018-01-09 | Basf Se | Polymer for lubricant compositions and method of forming the same |
US9902916B2 (en) | 2012-08-14 | 2018-02-27 | Basf Se | Lubricant composition comprising hindered cyclic amines |
US10081777B2 (en) | 2012-08-14 | 2018-09-25 | Basf Se | Polymer for lubricant compositions and method of forming the same |
US10093879B2 (en) | 2012-08-14 | 2018-10-09 | Basf Se | Lubricant composition comprising hindered cyclic amines |
Also Published As
Publication number | Publication date |
---|---|
JPH0273894A (en) | 1990-03-13 |
DE58904610D1 (en) | 1993-07-15 |
CA1334532C (en) | 1995-02-21 |
SU1736343A3 (en) | 1992-05-23 |
CN1041610A (en) | 1990-04-25 |
EP0356677B1 (en) | 1993-06-09 |
ES2055762T3 (en) | 1994-09-01 |
AU3817489A (en) | 1990-01-18 |
KR970007781B1 (en) | 1997-05-16 |
ZA895408B (en) | 1990-03-28 |
CN1020748C (en) | 1993-05-19 |
JP2832541B2 (en) | 1998-12-09 |
KR910003078A (en) | 1991-02-26 |
AU621910B2 (en) | 1992-03-26 |
BR8903526A (en) | 1990-03-13 |
MX169536B (en) | 1993-07-09 |
US5073278A (en) | 1991-12-17 |
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