EP3484981A1 - Schmiermittel-zusammensetzung und verwendung - Google Patents
Schmiermittel-zusammensetzung und verwendungInfo
- Publication number
- EP3484981A1 EP3484981A1 EP17752000.4A EP17752000A EP3484981A1 EP 3484981 A1 EP3484981 A1 EP 3484981A1 EP 17752000 A EP17752000 A EP 17752000A EP 3484981 A1 EP3484981 A1 EP 3484981A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- composition
- lubricant
- sulfonate
- overbased
- 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 195
- 239000000314 lubricant Substances 0.000 title claims abstract description 145
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 52
- 238000005260 corrosion Methods 0.000 claims abstract description 42
- 230000007797 corrosion Effects 0.000 claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 26
- 239000003112 inhibitor Substances 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 150000002148 esters Chemical class 0.000 claims abstract description 17
- 239000002562 thickening agent Substances 0.000 claims abstract description 15
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 14
- 239000011574 phosphorus Substances 0.000 claims abstract description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 13
- 239000011593 sulfur Substances 0.000 claims abstract description 13
- 239000002530 phenolic antioxidant Substances 0.000 claims abstract description 11
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 9
- 239000007866 anti-wear additive Substances 0.000 claims abstract description 8
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 32
- 239000000194 fatty acid Substances 0.000 claims description 32
- 229930195729 fatty acid Natural products 0.000 claims description 32
- 239000001993 wax Substances 0.000 claims description 27
- -1 preferably 1 Chemical compound 0.000 claims description 24
- 150000004665 fatty acids Chemical class 0.000 claims description 21
- 150000002191 fatty alcohols Chemical class 0.000 claims description 21
- 239000002199 base oil Substances 0.000 claims description 20
- 230000007935 neutral effect Effects 0.000 claims description 20
- 238000005406 washing Methods 0.000 claims description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims description 13
- 235000019438 castor oil Nutrition 0.000 claims description 11
- 239000004359 castor oil Substances 0.000 claims description 11
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 11
- 239000003784 tall oil Substances 0.000 claims description 11
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 229920006395 saturated elastomer Polymers 0.000 claims description 10
- 238000007046 ethoxylation reaction Methods 0.000 claims description 9
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 239000012964 benzotriazole Substances 0.000 claims description 7
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical class CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 claims description 7
- 239000002736 nonionic surfactant Substances 0.000 claims description 7
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 claims description 6
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims description 5
- 150000004670 unsaturated fatty acids Chemical class 0.000 claims description 5
- CFXCGWWYIDZIMU-UHFFFAOYSA-N Octyl-3,5-di-tert-butyl-4-hydroxy-hydrocinnamate Chemical group CCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 CFXCGWWYIDZIMU-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Chemical class CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Chemical class CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Chemical class CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 3
- 235000021357 Behenic acid Nutrition 0.000 claims description 3
- 239000005642 Oleic acid Chemical class 0.000 claims description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Chemical class CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 239000003945 anionic surfactant Substances 0.000 claims description 3
- 229940053200 antiepileptics fatty acid derivative Drugs 0.000 claims description 3
- 229940116226 behenic acid Drugs 0.000 claims description 3
- 150000001735 carboxylic acids Chemical group 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Chemical class CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical class CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 3
- 235000021313 oleic acid Nutrition 0.000 claims description 3
- 150000003017 phosphorus Chemical class 0.000 claims description 3
- 235000003441 saturated fatty acids Nutrition 0.000 claims description 3
- 150000004671 saturated fatty acids Chemical class 0.000 claims description 3
- 230000009974 thixotropic effect Effects 0.000 claims description 3
- FXNDIJDIPNCZQJ-UHFFFAOYSA-N 2,4,4-trimethylpent-1-ene Chemical compound CC(=C)CC(C)(C)C FXNDIJDIPNCZQJ-UHFFFAOYSA-N 0.000 claims description 2
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 claims description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 2
- 239000000539 dimer Chemical class 0.000 claims description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 2
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000005201 scrubbing Methods 0.000 claims description 2
- 150000003852 triazoles Chemical class 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 claims description 2
- 150000003871 sulfonates Chemical class 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000006471 dimerization reaction Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- 239000012188 paraffin wax Substances 0.000 claims 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims 1
- 229920000151 polyglycol Polymers 0.000 claims 1
- 239000010695 polyglycol Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 41
- 235000019198 oils Nutrition 0.000 description 41
- 238000004140 cleaning Methods 0.000 description 26
- 238000012360 testing method Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 16
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 239000002585 base Substances 0.000 description 13
- 239000000654 additive Substances 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 125000001273 sulfonato group Chemical class [O-]S(*)(=O)=O 0.000 description 7
- IJCWFDPJFXGQBN-RYNSOKOISA-N [(2R)-2-[(2R,3R,4S)-4-hydroxy-3-octadecanoyloxyoxolan-2-yl]-2-octadecanoyloxyethyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCCCCCCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCCCCCCCCCCCC IJCWFDPJFXGQBN-RYNSOKOISA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000012943 hotmelt Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000001589 sorbitan tristearate Substances 0.000 description 6
- 235000011078 sorbitan tristearate Nutrition 0.000 description 6
- 229960004129 sorbitan tristearate Drugs 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 4
- 235000019388 lanolin Nutrition 0.000 description 4
- 238000005555 metalworking Methods 0.000 description 4
- NKBWPOSQERPBFI-UHFFFAOYSA-N octadecyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCCCC NKBWPOSQERPBFI-UHFFFAOYSA-N 0.000 description 4
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 4
- 238000010422 painting Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000001587 sorbitan monostearate Substances 0.000 description 4
- 235000011076 sorbitan monostearate Nutrition 0.000 description 4
- 229940035048 sorbitan monostearate Drugs 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- SFAAOBGYWOUHLU-UHFFFAOYSA-N 2-ethylhexyl hexadecanoate Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(CC)CCCC SFAAOBGYWOUHLU-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920002367 Polyisobutene Polymers 0.000 description 3
- RVWOWEQKPMPWMQ-UHFFFAOYSA-N methyl 12-hydroxyoctadecanoate Chemical compound CCCCCCC(O)CCCCCCCCCCC(=O)OC RVWOWEQKPMPWMQ-UHFFFAOYSA-N 0.000 description 3
- 229920001515 polyalkylene glycol Polymers 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 229920002633 Kraton (polymer) Polymers 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- FLAJFZXTYPQIBY-CLFAGFIQSA-N bis[(z)-octadec-9-enyl] hydrogen phosphite Chemical compound CCCCCCCC\C=C/CCCCCCCCOP(O)OCCCCCCCC\C=C/CCCCCCCC FLAJFZXTYPQIBY-CLFAGFIQSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QYDYPVFESGNLHU-KHPPLWFESA-N methyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC QYDYPVFESGNLHU-KHPPLWFESA-N 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 229920000193 polymethacrylate Polymers 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- YZAZXIUFBCPZGB-QZOPMXJLSA-N (z)-octadec-9-enoic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O YZAZXIUFBCPZGB-QZOPMXJLSA-N 0.000 description 1
- GEFCRVXGSRZXCQ-UHFFFAOYSA-N 1-dimethoxyphosphoryloctadec-1-ene Chemical compound CCCCCCCCCCCCCCCCC=CP(=O)(OC)OC GEFCRVXGSRZXCQ-UHFFFAOYSA-N 0.000 description 1
- ARIWANIATODDMH-AWEZNQCLSA-N 1-lauroyl-sn-glycerol Chemical compound CCCCCCCCCCCC(=O)OC[C@@H](O)CO ARIWANIATODDMH-AWEZNQCLSA-N 0.000 description 1
- 229940114072 12-hydroxystearic acid Drugs 0.000 description 1
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 102100039496 Choline transporter-like protein 4 Human genes 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical class OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- LVGKNOAMLMIIKO-UHFFFAOYSA-N Elaidinsaeure-aethylester Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC LVGKNOAMLMIIKO-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 101000889282 Homo sapiens Choline transporter-like protein 4 Proteins 0.000 description 1
- 101001047746 Homo sapiens Lamina-associated polypeptide 2, isoform alpha Proteins 0.000 description 1
- 101001047731 Homo sapiens Lamina-associated polypeptide 2, isoforms beta/gamma Proteins 0.000 description 1
- 102100023981 Lamina-associated polypeptide 2, isoform alpha Human genes 0.000 description 1
- ARIWANIATODDMH-UHFFFAOYSA-N Lauric acid monoglyceride Natural products CCCCCCCCCCCC(=O)OCC(O)CO ARIWANIATODDMH-UHFFFAOYSA-N 0.000 description 1
- GWFGDXZQZYMSMJ-UHFFFAOYSA-N Octadecansaeure-heptadecylester Natural products CCCCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCCCC GWFGDXZQZYMSMJ-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920002535 Polyethylene Glycol 1500 Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 241000282485 Vulpes vulpes Species 0.000 description 1
- OCKWAZCWKSMKNC-UHFFFAOYSA-N [3-octadecanoyloxy-2,2-bis(octadecanoyloxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(COC(=O)CCCCCCCCCCCCCCCCC)(COC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC OCKWAZCWKSMKNC-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229960000541 cetyl alcohol Drugs 0.000 description 1
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- 238000000576 coating method Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
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- 238000004090 dissolution Methods 0.000 description 1
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- QYDYPVFESGNLHU-UHFFFAOYSA-N elaidic acid methyl ester Natural products CCCCCCCCC=CCCCCCCCC(=O)OC QYDYPVFESGNLHU-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
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- 239000003623 enhancer Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- YQEMORVAKMFKLG-UHFFFAOYSA-N glycerine monostearate Natural products CCCCCCCCCCCCCCCCCC(=O)OC(CO)CO YQEMORVAKMFKLG-UHFFFAOYSA-N 0.000 description 1
- SVUQHVRAGMNPLW-UHFFFAOYSA-N glycerol monostearate Natural products CCCCCCCCCCCCCCCCC(=O)OCC(O)CO SVUQHVRAGMNPLW-UHFFFAOYSA-N 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- GBHRVZIGDIUCJB-UHFFFAOYSA-N hydrogenphosphite Chemical compound OP([O-])[O-] GBHRVZIGDIUCJB-UHFFFAOYSA-N 0.000 description 1
- 150000002462 imidazolines Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- GEPDYQSQVLXLEU-AATRIKPKSA-N methyl (e)-3-dimethoxyphosphoryloxybut-2-enoate Chemical compound COC(=O)\C=C(/C)OP(=O)(OC)OC GEPDYQSQVLXLEU-AATRIKPKSA-N 0.000 description 1
- OUFCLLRNNJZLOX-UHFFFAOYSA-N methyl 2-hydroxyoctadecanoate Chemical compound CCCCCCCCCCCCCCCCC(O)C(=O)OC OUFCLLRNNJZLOX-UHFFFAOYSA-N 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- BXWNKGSJHAJOGX-UHFFFAOYSA-N n-hexadecyl alcohol Natural products CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
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- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
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Classifications
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- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- C10M115/02—Hydrocarbons
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
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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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/011—Cloud point
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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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/02—Viscosity; Viscosity index
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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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/09—Characteristics associated with water
- C10N2020/091—Water solubility
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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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
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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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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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
- C10N2040/20—Metal working
- C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
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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
- C10N2040/20—Metal working
- C10N2040/244—Metal working of specific metals
- C10N2040/245—Soft metals, e.g. aluminum
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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
- C10N2040/20—Metal working
- C10N2040/244—Metal working of specific metals
- C10N2040/246—Iron or steel
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/08—Solids
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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
- C10N2060/00—Chemical after-treatment of the constituents of the lubricating composition
- C10N2060/02—Reduction, e.g. hydrogenation
Definitions
- the invention relates to a cold washable lubricant composition and a dry lubricant composition and their use for application on a metal strip as corrosion protection, washing and / or forming lubricant.
- Lubricants in metalworking perform various tasks.
- rolling oils or rolling emulsions are used, which are applied to the metal strip in order to influence the friction conditions between roll and strip for an optimum rolling result.
- Rolled oils differ in viscosity and in the presence and concentration of additives to improve lubricity, polar and non-polar additives, depending on the metal and tool.
- Typical additives are high pressure (EP) additives and antiwear additives such as sulfur or phosphorus carriers as well as corrosion inhibitors, e.g. Sulfonates.
- a corrosion inhibitor is applied to the surface of the metal belts to prevent corrosion during storage and transportation. As a result, the adherence of the stacked or rolled up to the coil (tape rolls) metal strips is avoided.
- this anticorrosive agent by means of a
- Wash oil or an alkaline cleaner removed and applied, for example, a drawing or stamping oil, which reduces the friction during the forming of the metal strip, thus facilitating the processing and provides improved forming results or reduces the number of defective forming products.
- the washing, drawing, stamping or other forming oils used in the metalworking plant may be, for example, aqueous emulsions or aqueous synthetic solutions or medium to high viscosity oil formulations.
- CONFIRMATION COPY It is important for all lubricants used that they have a sufficient compatibility with the overall process. Particularly in the automotive sector, there are high demands here for keeping the outlay and number of steps that follow the metalworking process, while at the same time ensuring low rejection, eg errors in the topcoat, due to lubricant residues as low as possible.
- the surfaces of the pressed parts produced from the steel or aluminum strips are cleaned, if appropriate after the assembly of pressed parts using the common joining methods, before the subsequent treatment steps, such as phosphating, passivation and electrophoretic dip coating, are carried out.
- aqueous-alkaline cleaners are usually used, which preferably consist of a two-component system in the case of automobile body shells: a salt builder component and a surfactant component. Cleaning is usually carried out by spraying / immersion at typical application temperatures of 50 to 60 ° C.
- a so-called prelube can be applied in the steel or aluminum plant after the rolling to finish the rolling stock.
- Prelubes are compositions that combine the properties of a corrosion protection oil with the lubricity of a drawing oil. Like the anticorrosion agents, prelubes prevent corrosion and sticking during transport and storage of the metal strip coils, but also serve as a drawing lubricant in the press shop. At Prelubes, too, it is very important, especially in the automotive sector, to have excellent compatibility with every single process, from the cold-rolled strip to the body shell. If the pre-lube in the production chain is compatible with every step of the process (in particular welding, gluing, etc.) up to and including painting, a significant reduction in the number and quantity of lubricants used in the press shop (wash oils, drawing, stamping or other forming oils ) as well as the work steps to be carried out.
- DE 2 207 504 A discloses an emulsifiable lubricating or lubricating agent for the cold rolling of metals, which can be mixed with water to form a desired lubricant emulsion.
- the lubricant consists of 20 to 60 wt .-% oil, 20 to 59 wt .-% of solid aliphatic monocarboxylic acids having 10 to 30 carbon atoms, 1 to 15 wt .-% alkanolamine having 2 to 5 carbon atoms, 1 to 15 wt .-% Emulsifier, 0.05 to 2% by weight of aromatic sulfonate and 2 to 15% by weight of monoalkyl or dialkyl phosphate having 8 to 20 carbon atoms in the alkyl group and optionally 1 to 5% by weight of liquid fatty acid having 12 to 22 carbon atoms in combination with 4 to 8% by weight of aliphatic fatty acid amide having 10 to 18 carbon atoms.
- aqueous lubricant emulsions are not equally suitable as a prelube for steel and aluminum due to the lower corrosion protection.
- a dry Prelube lubricant (hotmelt) which is said to be "cold” cleanable is disclosed in US 5,069,806
- This lubricant which is applied in molten form to the steel strip so that a flexible solid lubricant film is obtained after cooling, can be obtained by a alkaline solution at a temperature of 49-60 ° C (120-140 ° F), based on 80-90% by weight of a substantially saturated, refined ester consisting of an aliphatic polyhydric alcohol and a C2-C 6 - carboxylic acid is formed
- this is a hydrogenated tallow triglyceride lubricant base
- Other ingredients are 4 to 14 wt .-% partially esterified vegetable oil (castor oil) as a plasticizer and 2 to 6 wt .-% of surfactant..
- an aromatic polyether reaction product of a C14-C20 aromatic alcohol with 5 to 15 moles of ethylene oxide and 10 to 20 moles of propylene oxide per mole of alcohol
- stearamide alkanolamide reaction product of a C14-C20 aromatic alcohol with 5 to 15 moles of ethylene oxide and 10 to 20 moles of propylene oxide per mole of alcohol
- stearamide alkanolamide reaction product of a C14-C20 aromatic alcohol with 5 to 15 moles of ethylene oxide and 10 to 20 moles of propylene oxide per mole of alcohol
- stearamide alkanolamide isostearamide-Alk anolamide
- a mixture of an aspartic diester and oleic acid imidazolines or mixtures thereof.
- 0.1 to 2 wt .-% of an ethylene-carboxylic acid copolymer is used as the film enhancer
- the lubricant may additionally contain, as corrosion inhibitor, 0.1 to 3 wt.% Of an antioxidant, preferably
- Cold washability is here understood to mean the removal of the lubricant with an aqueous-alkaline cleaner, for example in the cleaning bath, at room temperature or without additional heating of the cleaning bath, ie well below the temperatures of 49 to 60 ° C. customary in the prior art.
- the lubricant composition should simultaneously have protection against corrosion and adhesion of the metal bands, sufficient lubricity for forming processes and compatibility with all downstream manufacturing stages.
- the lubricant composition after application to the metal strip to form a stable and homogeneous film, inexpensive to manufacture and disposal, easy to use and suitable for various steel and aluminum grades.
- Claim 14 solves the problem of providing an improved use of a lubricant composition for application to a metal strip as a corrosion protection, washing and / or forming lubricant.
- the lubricant composition according to the invention in a first embodiment is intended for application to a metal strip such as a steel or aluminum strip as a corrosion protection, washing and / or forming lubricant.
- a metal strip such as a steel or aluminum strip
- the lubricant composition of the invention can be washed off cold, so that facilities and energy and costs for heating of cleaning baths can be saved in the pretreatment of formed sheet metal parts.
- a cold washable lubricant composition according to the invention for application to a metal strip as anticorrosive, washing and / or forming lubricant has
- ester component 1 to 20% by weight ester component
- a lubricant of this composition can actually be cold, i. at temperatures well below 50 ° C, especially at room temperature with an aqueous-alkaline cleaning solution.
- the proportion of the base fluid in the lubricant composition may preferably be 55 to 80% by weight and more preferably 60 to 70% by weight, based on the total weight of the composition.
- the proportion of the base fluid in the lubricant composition may preferably be 55 to 80% by weight and more preferably 60 to 70% by weight, based on the total weight of the composition.
- different viscosities are provided, which are adjusted by selection and / or composition of the base fluid.
- a mixture of at least two base oils differing in their kinematic viscosity at 40 ° C. which consist predominantly of base oils of group I and group II having a kinematic viscosity at 40 ° C. of 3 to 700 mm 2 / s are selected.
- Group III and Group IV base oils are not excluded.
- the lubricant composition according to the invention can be used as a prelube lubricant, which combines corrosion protection function with emulsifiability and lubricity in machining processes.
- the composition according to the invention is applied in the rolling mill in order to protect the metal strip from adhering and corrosion during storage and transport.
- a further lubricant at least selectively for forming.
- This forming or drawing oil lubricant may also have a composition according to the invention with an adapted viscosity.
- an optional wash oil may be a modified viscosity composition of the invention.
- the base fluid of a particularly preferred lubricant composition may comprise a first base oil having a kinematic viscosity at 40 ° C of 700 mm 2 / s and a second base oil having a kinematic viscosity at 40 ° C of 40 mm 2 / s ,
- a weight ratio of the first base oil to the second base oil in the base fluid is set between 3: 1 to 4: 1.
- the sulfonate-based corrosion inhibitor of the lubricant composition is selected from the group comprising overbased and neutral Ca sulfonates, overbased and neutral Na sulfonates, and mixtures thereof, wherein a composition of the invention contains at least one overbased sulfonate.
- the composition may preferably contain 0.5 to 5% by weight of overbased Na sulfonate and / or 2 to 10% by weight of overbased Ca sulfonate.
- a composition of the invention may contain from 1 to 5 weight percent neutral Ca sulfonate and / or from 1 to 5 weight percent neutral Na sulfonate, each on condition that the weight proportions of the overbased and optionally neutral sulfonates in total from 3 to 15 wt .-% sulfonate-based Korrosionsinhinbitoren based on the total weight of the composition.
- a preferred concept of sulfonate for a lubricant composition according to the invention comprises from 1 to 5% by weight of overbased Na sulfonate and from 3 to 5% by weight of overbased Ca sulfonate.
- the composition can have as corrosion inhibitors 1, 5 wt .-% overbased Na sulfonate and 3.5 wt .-% overbased Ca sulfonate.
- An alternative concept of sulfonate provides, in addition to 1 to 5 wt% of overbased Na sulfonate and 3 to 5 wt% of overbased Ca sulfonate, 1 to 5 wt% of neutral Ca sulfonate.
- This sulfonate concept preferably comprises 1.5% by weight of overbased Na sulfonate and 3.5% by weight of overbased Ca sulfonate and 3% by weight of neutral Ca sulfonate.
- compositions have only overbased Na sulfonate with 3 to 6 wt .-%, preferably 4.6 wt .-%, or only overbased Ca sulfonate with 3 to 10% by weight, preferably 5.2 wt .-% , on.
- the stated proportions by weight are based on the total weight of the composition.
- a lubricant composition according to the invention may additionally comprise from 0.05 to 1.7% by weight of at least one further inhibitor component, based on the total weight of the composition.
- the further inhibitor component in the composition can be selected from 0.05 to 0.2 wt .-% triazoles, preferably 0.1 wt .-% benzotriazole or water-soluble benzotriazole derivatives, and / or 0.1-1, 5 wt. - Amines, preferably trialkanolamines such as triethanolamine.
- the ester component of a lubricant composition may be
- composition of the invention may comprise 15% by weight of fatty acid ester based on the total weight of the composition.
- Preferred lubricant compositions have as high-pressure / anti-wear additive a phosphorus component whose proportion is in particular 2% by weight, based on the total weight of the composition.
- the phosphorus carrier component may be a dialkyl hydrogen phosphite wherein each alkyl group is saturated or unsaturated and has 14 to 22 carbon atoms, for example, di-oleyl hydrogen phosphite.
- the emulsifier which provides for the improved cleanability with an aqueous cleaner, can be selected from nonionic surfactants, especially fatty alcohol alkoxylates.
- nonionic surfactants especially fatty alcohol alkoxylates.
- Preferred fatty alcohol ethoxylates are based on fatty alcohols having 16 to 18 C atoms and have a degree of alkoxylation or degree of ethoxylation of 2 to 5 mol. It is also possible to use mixtures of different nonionic surfactants or fatty alcohol alkoxylates, which differ, for example, in the degree of alkoxylation. It is also possible to use propoxylated or mixed-ethoxylated and propoxylated fatty alcohols as emulsifiers.
- alkyl ether carboxylic acids or phosphorus esters Preferred among the alkyl ether carboxylic acids are C 14-22 fatty alcohol-polyglycol-ether carboxylic acids, which may be saturated or unsaturated.
- Suitable phosphorus esters are alkoxylated fatty alcohol phosphate esters, preferably phosphate esters of saturated or unsaturated fatty alcohols having 16 to 18 carbon atoms and a degree of ethoxylation of, for example, 5 moles. But here, too, phosphate esters of fatty alcohols with a different degree of ethoxylation or propoxylated or mixed propoxylated and ethoxylated fatty alcohols are conceivable.
- a proportion of each emulsifier component, alone or in the mixture, is in each case from 1 to 5% by weight, based on the total weight of the composition, provided that the total content of emulsifier does not exceed 15% by weight.
- a preferred composition according to the invention comprises 7.5% by weight of fatty alcohol alkoxylate mixture as emulsifier based on the total weight of the composition, the fatty alcohol alkoxylate mixture consisting in particular of 5% by weight of C16-18 fatty alcohol having a degree of ethoxylation of 5 mol and 2.5 Wt .-% C16-18 fatty alcohol is formed with a degree of ethoxylation of 2 mol.
- the carboxylic acid component of a lubricant composition may be selected from saturated or unsaturated carboxylic acids having 16 to 22 carbon atoms, such as tall oil fatty acids, oleic acid and behenic acid, or dimer acids, which are dicarboxylic acids prepared by dewatering unsaturated fatty acids from tall oil. Also mixtures of these are conceivable.
- a preferred composition may comprise 0.5% by weight tall oil fatty acid based on the total weight of the composition. Tall oil fatty acids having a high fatty acid content and a low content of resin acids are preferably used.
- the amine antioxidant contained in the lubricant composition of the present invention may be a reaction product of N-phenylbenzolamine with 2,4,4-trimethylpentene (Irganox® L57).
- the phenolic antioxidant may, for example, be octyl-3,5-di-tert-butyl-4-hydroxyhydrocinnamate (Irganox® L135), octadecyl-3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate ( IRGANOX® L107).
- a preferred composition may comprise 0.25% by weight of amine antioxidant and 0.25% by weight of phenolic antioxidant, preferably octyl-3,5-di-tert-butyl-4-hydroxyhydrocinnamate, based on the total weight of the composition.
- the wax and / or thickener component of a lubricant composition of the invention may consist of
- Castor oil derivatives in particular thixotropic thickeners based on hydrogenated castor oil,
- Fatty acid derivatives in particular fatty acid esters or fatty acid amides of C16-20 saturated and unsaturated fatty acids, for example methyl 12-hydroxystearate, octadecyl stearate or refined oleic acid amide,
- Polymers for example block polymers, in particular linear triblock copolymers based on styrene and ethylene / butylene with PS-PE / PB-PS and 30% PS, polymethacrylates in mineral oil and low molecular weight polyisobutenes (Pib 1300).
- a preferred composition may comprise 3% by weight paraffinic wax with solidification point at 64 to 66 ° C as wax and / or thickener component.
- a further composition according to the invention relates to a dry lubricant, also called hotmelt, waxes being used instead of a base fluid.
- the hotmelt composition is heated as a corrosion protection lubricant or prelube for application to a metal strip or, if appropriate, can also be used as an aqueous dispersion, but may also be cold-cleaned in the composition according to the invention.
- the cold washable dry lubricant composition comprises:
- the wax component is selected from one or more organic compounds having a melting range of 35 to 75 ° C, preferably 40 to 70 ° C, and may be a polyalkylene glycol, polyalkylene glycol ester, an ester, ester ethoxylate, a carboxylic acid Ethoxylate or an ether carboxylic acid or its alkali and alkaline earth metal soaps, glycerol fatty acid esters, a polyol ester or sorbitol esters or their ethoxylates, an alcohol or fatty alcohol or their ethoxylates or be.
- Examples are polyethylene glycols 1500, 2000 and 4000, polyalkylene glycol esters, sorbitan tristearate, sorbitan tristearate ethoxylate, sorbitan monostearate, sorbitan monostearate ethoxylate, stearyl alcohol, stearyl cetyl alcohol, 12-hydroxy stearic acid, methyl 12- Hydroxy stearate, glycerol monostearate, glycerol monolaurate, PEG1500 monostearate, pentaerythritol tetrastearate.
- wax components e.g. Sorbitan tristearate and sorbitan tristearate ethoxylate (e.g., 40:60 ratio) or sorbitan monostearate and sorbitan monostearate ethoxylate (e.g., 75:25 ratio). But there are also other combinations of said wax components conceivable.
- liquid emulsifiers may optionally be omitted.
- One embodiment of the dry lubricant composition may provide that a mixture of 7.5% by weight of sorbitan tristearate and 7.5% by weight of sorbitan tristearate ethoxylate (20 EO) is used as the wax component, and the other components such as are included above, ie that the emulsifier can be omitted;
- a base oil is added to supplement the 100% by weight of the composition.
- the wax component may further be as described above in the lubricant composition of the invention - paraffinic waxes,
- Castor oil derivatives in particular thixotropic thickeners based on hydrogenated castor oil,
- Fatty acid derivatives in particular fatty acid esters or fatty acid amides of C 6-20 saturated and unsaturated fatty acids, for example methyl 2-hydroxystearate,
- Different wax components may also be blended to impart the desired properties to the dry lubricant composition.
- the further components may be formed in further developments of the dry lubricant composition according to the above information on the lubricant composition according to the invention.
- the lubricant compositions of the invention are described as anticorrosive, washing and / or forming lubricants and dry lubricant compositions as anticorrosive lubricant or Prelube.
- Lubricant compositions according to the invention which are used as anticorrosive agents or preload and the dry lubricant compositions are applied on the mill side, washing and forming lubricants in the press shop.
- Corrosion inhibitors or pretubes, washing and forming lubricants are to be understood as meaning all synonymously used terms which refer to such lubricants.
- Corrosion inhibitors may also be referred to, for example, as anticorrosion oil, etc., and prelubes, for example, as anticorrosive oil with reshaping properties, etc.
- dry lubricants terms such as hotmelt, hotmelt drylube, drylube or dry lubricant are also used.
- Washing lubricants are also referred to as wash oil or oily wash fluid, for example, and forming lubricant includes draw oil, forming lubricant, drawing lubricant, additional lubricant, etc.
- a use according to the invention of the lubricant composition likewise according to the invention relates to its application on a metal strip as anticorrosive, washing and / or forming lubricant.
- the lubricant composition allows cold washing with an alkaline-aqueous cleaner. Since at the cleaning the metal strip of the emulsifier contained in the lubricant composition according to the invention is introduced into the alkaline-aqueous cleaner, the surfactant component must be correspondingly less metered; ie, the surfactant concentration of the alkaline aqueous cleaner is matched to the emulsifier content of the lubricant composition.
- 1 is a photographic image of a test sheet, which has been coated with a lubricant composition according to the invention, after cleaning at 25 ° C,
- FIG. 2 shows a photographic image of a test panel coated with an alternative lubricant composition according to the invention after cleaning at 25 ° C.
- Fig. 3 a photographic image of a test panel coated with another alternative lubricant composition according to the invention completed cleaning at 25 ° C,
- FIG. 4 shows a photographic image of a test panel which has been coated with a still further alternative lubricant composition according to the invention, after purification at 25 ° C.
- Figure 5 is a photographic image of a test panel coated with a prior art lubricant composition after cleaning at 25 ° C;
- Fig. 6 is a comparative illustration of the images of the test panel coated with a prior art lubricant composition (left) and a test panel which has been coated with a lubricant composition of the invention (right).
- the lubricant composition according to the invention relates to the product range of corrosion protection oils and forming lubricants as well as wash oils, especially in the automotive body shell process. This begins with the application of the anticorrosive oil or prelubes to the metal sheet in the steel or aluminum plant and ends when the primer is applied by means of cathodic dip painting (KTL). Depending on the target product, Prelube or corrosion protection oil, wash oil and drawing oil are used. Prior to the KTL, all oils are removed by an alkaline-aqueous cleaner system, which previously required a temperature of about 55 ° C.
- lubricant compositions according to the invention are used as a prelube or anticorrosive oil, wash oil and drawing oil, they can be completely removed from the metal sheet even at low cleaning temperatures (example: car body shell) so that costs and energy are saved by heating cleaner baths.
- the emulsifiers used in the lubricant composition of the invention as cleaning active ingredients disturb the main properties of the oils - depending on the product type, these are corrosion protection, lubricating and / or washing action - not, especially when using nonionic surfactants.
- the emulsifiers used meet the requirements for compatibility with subsequent process steps (including shell bonding, welding, cathodic dip painting).
- the lubricant composition according to the invention fulfills the requirements with respect to the applicability in the steel or aluminum plant.
- One common method of application there is electrostatic spraying; but it can also be used other types of application, such as conventional spraying.
- Compositions suitable for this purpose have a kinematic viscosity at 40 ° C.
- the lubricant composition according to the invention can also be applied as an aqueous dispersion.
- aqueous dispersion usually, the application of forming oils by spraying, or more rarely by roller coater.
- wash oils however, rather felt, squeezing and / or rubber rollers are used.
- the composition of the invention can be as uniform, thin layer as corrosion lubricant or Prelube in the range of 0.5 to 2.5 ⁇ , preferably about 1 ⁇ , as Umformschmiersch in the range of 1 to 10 ⁇ , preferably about 2 ⁇ , and as a wash lubricant in the range of 1 to 5 ⁇ , preferably 0.5 to 1 ⁇ , apply to the metal strip, and does not run as a result of the contained waxes / thickeners.
- a total thickness of the layer formed from different compositions is preferably in the range of 1 to 5 ⁇ , particularly preferably about 2 ⁇ .
- the composition according to the invention not only provides corrosion protection for both steel and aluminum during storage and transport but acts as a lubricant during forming.
- the subsequent joining processes such as welding, gluing, crimping or clinching can be carried out without cleaning, ie with adhering lubricant composition, which is thus compatible with most or all common raw building adhesives such as high-strength construction adhesives or sealants.
- the lubricant composition Before the phosphating and painting, the lubricant composition is removed by means of an alkaline aqueous cleaner in the dipping / spraying bath. Complete removal is important to avoid paint defects due to lubricant residues.
- lubricant composition By removed from the sheet metal parts to be cleaned lubricant composition enter the emulsifier contained in the lubricant composition in the cleaning bath and thus increase there the concentration of surfactants or emulsifiers, since the cleaning baths are treated and recirculated. Since an increase in these components would lead to disturbances without appropriate consideration in the cleaning process, the amount of emulsifier introduced by the anticorrosive and processing oils must be taken into account in the metering of the cleaning baths by metering in the surfactant component correspondingly less.
- Table 1 shows a particularly preferred lubricant composition which has a kinematic viscosity at 40 ° C. of 100 mm 2 / s: Weight% component example
- Lubrizol® 5318A Librizol Company
- Metalest-EHP 99 (FACI Metalest, Zarago2-ethylhexyl palmitate za, Spain) / Radia 7780 (Oleon GmbH,
- nonionic surfactant fatty alcohol emuisogen M (Clariant, Muttenz, Switzerland) holethoxylate, 5 mol Rhodasurf CET 5 (Rhodia Novecare,
- paraffinic waxes solidification point 64-66X
- Alternative compositions vary mainly with regard to the sulfonate concept, which is used as a corrosion inhibitor.
- the base oil mixture that forms the base fluid can also vary to adjust the viscosity in the desired range.
- first particularly preferred lubricant composition has only overbased Na and Ca sulfonates
- an alternative composition may contain overbased and neutral sulfonates:
- Table 2 shows base fluid and sulfonate component of an alternative lubricant composition corresponding to other components.
- Tables 3 and 4 show other alternative compositions, each containing only overbased Na sulfonate or only overbased Ca sulfonate. Again, the other components correspond to those in Table 1.
- Table 3 shows other alternative compositions, each containing only overbased Na sulfonate or only overbased Ca sulfonate. Again, the other components correspond to those in Table 1.
- composition of the invention should not be limited to the particularly preferred compositions exemplified herein.
- composition can be changed within the claimed limits to modify certain properties of the composition. Also, alternatives to the mentioned components and examples within the scope are readily conceivable.
- the overbased Ca sulfonate may also be Calcinate TM OTS (Chemtura Corp. Petroleum Additives, Middlebury, CT, USA).
- Calcinate TM OTS Chemical Additives, Middlebury, CT, USA.
- Petronate® H (Sonneborn, Amsterdam, Netherlands) in question.
- the inhibitor component may be water-soluble benzene derivatives, e.g. Irgamet 42 (Ciba Specialty Chemicals, Basel, Switzerland), or triethanolamine can be used within the claimed limits.
- Rhodafac PA 35 Rhodia Novecare, Courbevoie,
- Irgalube TPPT (Ciba Specialty Chemicals, Basel,
- anionic surfactants such as alkyl-ether carboxylic acid, e.g. Akypo RCP 105 (Kao Chemicals Europe, Barcelona, Spain), or phosphate esters such as Rhodafac PA 35 (Rhodia Novecare, Courbevoie, France).
- carboxylic acids are pure oleic acid, dimer acid (for example Pripol 1022, (Croda, Nettetal, DE)) or behenic acid (Prifrac 2989 (Croda, Nettetal, DE)).
- dimer acid for example Pripol 1022, (Croda, Nettetal, DE)
- behenic acid Prifrac 2989 (Croda, Nettetal, DE)
- Alternative phenolic antioxidants are e.g. Butylhydroxytoluene or Irganox® L 107 (BASF, Ludwigshafen, DE).
- Castor oil derivative castor oil derivative DE Castor oil derivative castor oil derivative DE
- PS-PE / PB-PS (30% PS) type Karl Fischer Polymers, Frankfurt
- Block polymer ABA a.M., DE Block polymer ABA a.M., DE
- the removal of anticorrosive, washing and / or forming lubricants for sheets in the automotive body shell process has been carried out so far mostly by alkaline-aqueous media at a cleaning temperature of 55 ° C.
- the lubricant composition of the invention is capable of coping with complete removal even in an unheated cleaner system. Due to the process conditions and the energy input by pumps, it is expected that a temperature will be reached that is slightly above room temperature.
- the cleaning experiments described below for four exemplary compositions according to the invention and a comparison composition from the prior art were carried out at 25 ° C. in the laboratory.
- an oily sample plate is placed in a given test bath container with a capacity of 18 liters and a fixed volume flow of 17 liters / min. After a predetermined test time, the sheet is removed and rinsed under defined shear movement in the fresh water tank for 30 seconds. Immediately after removal from the fresh water tank, the wetting of the sheet is assessed. A closed over the entire sheet of water film corresponds to the complete removability of the lubricant.
- a cleaning temperature at 25 ° C ⁇ 1 ° C and 3 min cleaning time was set and according to the prior art applied to the respective test sheet oil film thickness or weight to 1, 3 + 0.2 g / m 2 established.
- test panels 0.8 x 102 x 152 mm, DC 04, Type R-46, Steel Dull Matt Finish
- the cleaner system included test cleaner VDA-230-213 Salzgerüst (from Henkel, Heidelberg) and surfactant (also Henkel, Heidelberg).
- VDA-230-213 Salzgerüst (from Henkel, Heidelberg) and surfactant (also Henkel, Heidelberg).
- surfactant also Henkel, Heidelberg.
- lubricant compositions according to the invention and the comparative composition was carried out by immersing the test panels in a corresponding n-heptane solution of the respective composition. After complete evaporation of the solvent, the required film weight sets.
- Table 9 shows a composition according to the invention according to variant V 1:
- Table 10 shows a composition according to the invention according to variant V 2:
- Table 12 shows a composition according to the invention variant according to V 4:
- the prior art Anticorit PL 3802 39 S company Fuchs lubricants GmbH, Mannheim, Germany was chosen.
- the product Anticorit PL 3802-39 S used for comparison represents the current state of the art of corrosion protection oils with forming properties (the so-called prelubes). It has been widely used in the steel industry since 1996, in particular for automotive steel for the body shell. This prior art comparative composition offers easy removability by previous standards.
- Figures 1, 2, 3 and 4 show respectively photographic images of the test sheets, which were coated in appropriate numbering with the exemplary inventive lubricant compositions according to variants 1, 2, 3 and 4, after the above-described cleaning procedure immediately after removal from the fresh water cistern , All four show a closed over the entire sheet of water film and thus a complete wetting of the sheet, which means a complete removal of the lubricant. Such a good washability at the present cold temperatures could not be achieved with the lubricants of the prior art.
- the sheet coated with the comparative composition and subjected to the same procedure as the test sheets with the lubricant compositions of the present invention it is clearly seen in the photographic image in Fig. 5 that the water film is not closed but distinctly unwetted Areas and bumps show how they occur when the lubricant is incompletely removed.
- the lubricant compositions according to the invention thus enable a significantly improved cold washability, as shown particularly clearly in the comparative illustration of the figures in FIG. 6, in which the test sheet, which has been coated with the comparative composition of the prior art, is shown on the left the cleaning at 25 ° C and the fresh water rinse shows clearly unwetted areas, which are due to not removed lubricant residues, while the right fully wetted test sheet is shown, which was coated with a composition of the invention, which was completely removed by cleaning at 25 ° C. ,
- the compositions according to the invention represent a significant improvement in terms of the energy required for cleaning. Depending on the ambient conditions, it may even be possible to dispense advantageously completely with heating of the cleaner bath.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Lubricants (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16001544.2A EP3269793A1 (de) | 2016-07-12 | 2016-07-12 | Schmiermittel-zusammensetzung und verwendung |
PCT/EP2017/000824 WO2018010841A1 (de) | 2016-07-12 | 2017-07-12 | Schmiermittel-zusammensetzung und verwendung |
Publications (2)
Publication Number | Publication Date |
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EP3484981A1 true EP3484981A1 (de) | 2019-05-22 |
EP3484981B1 EP3484981B1 (de) | 2021-04-21 |
Family
ID=56409454
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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EP16001544.2A Withdrawn EP3269793A1 (de) | 2016-07-12 | 2016-07-12 | Schmiermittel-zusammensetzung und verwendung |
EP17752000.4A Active EP3484981B1 (de) | 2016-07-12 | 2017-07-12 | Schmiermittel-zusammensetzung und verwendung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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EP16001544.2A Withdrawn EP3269793A1 (de) | 2016-07-12 | 2016-07-12 | Schmiermittel-zusammensetzung und verwendung |
Country Status (10)
Country | Link |
---|---|
US (1) | US10604718B2 (de) |
EP (2) | EP3269793A1 (de) |
JP (1) | JP6859425B2 (de) |
KR (1) | KR102235348B1 (de) |
CN (1) | CN109477012B (de) |
CA (1) | CA3030586C (de) |
EA (1) | EA038234B9 (de) |
ES (1) | ES2875364T3 (de) |
MX (1) | MX2019000543A (de) |
WO (1) | WO2018010841A1 (de) |
Families Citing this family (8)
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CN107065947A (zh) * | 2017-02-27 | 2017-08-18 | 环境保护部华南环境科学研究所 | 间歇式逆流清洗镀件的智能控水设备及其自动控水方法 |
CN112063435A (zh) * | 2019-06-10 | 2020-12-11 | 广州加美隆润滑油有限公司 | 一种免清洗不锈钢轧制润滑剂 |
CN111560284A (zh) * | 2020-05-21 | 2020-08-21 | 昆山久茂电子科技有限公司 | 一种电子产品板材冲压用拉伸油及其制备方法 |
EP4179050A2 (de) | 2020-07-08 | 2023-05-17 | Material Engineering and Technical Support Services Corp. | Schmiermittelzusammensetzungen mit einem silikonfreien antischaummittel |
CN116568783A (zh) * | 2020-12-15 | 2023-08-08 | 道达尔能量联动技术公司 | 醇乙氧基化的磷酸酯化合物在防止内燃机金属部件腐蚀和/或摩擦腐蚀的润滑组合物中的用途 |
DE102021201385A1 (de) | 2021-02-15 | 2022-08-18 | Zf Friedrichshafen Ag | Umformschmierstoff, Verfahren zur Herstellung eines Umformbauteils mit dem Umformschmierstoff sowie Verwendung des Umformschmierstoffs bei der Herstellung von Getriebebauteilen |
CN114535565B (zh) * | 2022-04-22 | 2022-08-26 | 中航迈特粉冶科技(北京)有限公司 | 一种金属粉末抗氧化剂及表面改性方法 |
CN115678650A (zh) * | 2022-10-20 | 2023-02-03 | 富兰克润滑科技(太仓)有限公司 | 一种低粘度多功能切削油及其制备方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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US3723314A (en) * | 1971-03-24 | 1973-03-27 | Mobil Oil Corp | Lubricant for metalworking |
US5069806A (en) | 1989-10-27 | 1991-12-03 | Nalco Chemical Company | Solid dry film prelube with low temperature cleanability |
US5021172A (en) * | 1989-12-01 | 1991-06-04 | Diversified Chemical Technologies, Inc. | Paint compatible pre-lubricant |
CA2052604A1 (en) * | 1991-03-04 | 1992-09-05 | Andrew F. Lum | Carrier-free metalworking lubricant and method of making and using same |
US5137956A (en) * | 1991-09-03 | 1992-08-11 | Nalco Chemical Company | Solid film prelube FDA approvable for incidental food and beverage contact |
DK125194A (da) * | 1994-10-28 | 1996-04-29 | Danfoss As | Anvendelse af overgangsmetalhalogenider, især FeCl3, som smøremidler ved massivformgivning af rustfrit stål |
JP2002363592A (ja) * | 2000-08-03 | 2002-12-18 | Nippon Oil Corp | さび止め油組成物 |
US6855676B2 (en) * | 2002-02-11 | 2005-02-15 | Ecolab., Inc. | Lubricant for conveyor system |
US8445106B2 (en) * | 2005-08-02 | 2013-05-21 | Kobe Steel, Ltd. | Resin-coated metal sheet and resin composition |
JP4619266B2 (ja) * | 2005-10-31 | 2011-01-26 | トヨタ紡織株式会社 | 自動車用高張力鋼板のプレス加工用の潤滑油 |
JP2008115304A (ja) * | 2006-11-06 | 2008-05-22 | Cosmo Sekiyu Lubricants Kk | 樹脂用ウレアグリース組成物 |
JP5261093B2 (ja) * | 2007-10-18 | 2013-08-14 | 株式会社神戸製鋼所 | 潤滑組成物、潤滑組成物被覆金属板、および、潤滑組成物被覆金属板の製造方法 |
CN102015798B (zh) * | 2008-05-07 | 2014-03-05 | 巴斯夫欧洲公司 | α-烯烃/异丁烯二嵌段共聚物 |
JP5898554B2 (ja) * | 2012-03-30 | 2016-04-06 | 出光興産株式会社 | 金属加工用潤滑油組成物 |
WO2014028632A1 (en) * | 2012-08-14 | 2014-02-20 | Dow Corning Corporation | Lubricant compositions |
JP6362265B2 (ja) * | 2014-11-28 | 2018-07-25 | 株式会社Adeka | グリース用添加剤及びそれを含有するグリース組成物 |
-
2016
- 2016-07-12 EP EP16001544.2A patent/EP3269793A1/de not_active Withdrawn
-
2017
- 2017-07-12 ES ES17752000T patent/ES2875364T3/es active Active
- 2017-07-12 CN CN201780043283.XA patent/CN109477012B/zh active Active
- 2017-07-12 CA CA3030586A patent/CA3030586C/en active Active
- 2017-07-12 MX MX2019000543A patent/MX2019000543A/es active IP Right Grant
- 2017-07-12 US US16/315,707 patent/US10604718B2/en active Active
- 2017-07-12 KR KR1020197003002A patent/KR102235348B1/ko active IP Right Grant
- 2017-07-12 WO PCT/EP2017/000824 patent/WO2018010841A1/de unknown
- 2017-07-12 EP EP17752000.4A patent/EP3484981B1/de active Active
- 2017-07-12 EA EA201990282A patent/EA038234B9/ru unknown
- 2017-07-12 JP JP2019500780A patent/JP6859425B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
WO2018010841A1 (de) | 2018-01-18 |
EA201990282A1 (ru) | 2019-08-30 |
KR20190028720A (ko) | 2019-03-19 |
ES2875364T3 (es) | 2021-11-10 |
EA038234B1 (ru) | 2021-07-28 |
MX2019000543A (es) | 2019-09-09 |
CN109477012B (zh) | 2022-02-22 |
CN109477012A (zh) | 2019-03-15 |
JP6859425B2 (ja) | 2021-04-14 |
US20190300815A1 (en) | 2019-10-03 |
CA3030586A1 (en) | 2018-01-18 |
KR102235348B1 (ko) | 2021-04-06 |
EA038234B9 (ru) | 2021-12-08 |
EP3484981B1 (de) | 2021-04-21 |
JP2019524926A (ja) | 2019-09-05 |
EP3269793A1 (de) | 2018-01-17 |
US10604718B2 (en) | 2020-03-31 |
CA3030586C (en) | 2022-07-12 |
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