EP2300581B1 - Lubricant composition based on natural and renewable raw materials - Google Patents
Lubricant composition based on natural and renewable raw materials Download PDFInfo
- Publication number
- EP2300581B1 EP2300581B1 EP09761465A EP09761465A EP2300581B1 EP 2300581 B1 EP2300581 B1 EP 2300581B1 EP 09761465 A EP09761465 A EP 09761465A EP 09761465 A EP09761465 A EP 09761465A EP 2300581 B1 EP2300581 B1 EP 2300581B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- oil
- tert
- group
- oils
- lubricant
- 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.)
- Active
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- 239000000314 lubricant Substances 0.000 title claims abstract description 48
- 239000000203 mixture Substances 0.000 title claims abstract description 45
- 239000002994 raw material Substances 0.000 title abstract description 6
- 239000003921 oil Substances 0.000 claims description 62
- 235000019198 oils Nutrition 0.000 claims description 62
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 21
- 239000000654 additive Substances 0.000 claims description 16
- -1 fatty acid esters Chemical class 0.000 claims description 14
- 239000004519 grease Substances 0.000 claims description 14
- 239000000344 soap Substances 0.000 claims description 13
- 239000002562 thickening agent Substances 0.000 claims description 12
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 11
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 11
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 11
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000005642 Oleic acid Substances 0.000 claims description 11
- 235000019486 Sunflower oil Nutrition 0.000 claims description 11
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 11
- 150000002978 peroxides Chemical class 0.000 claims description 11
- 239000002600 sunflower oil Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000002480 mineral oil Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 9
- 230000000996 additive effect Effects 0.000 claims description 8
- 239000002199 base oil Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 238000007342 radical addition reaction Methods 0.000 claims description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 6
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 claims description 5
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 5
- 239000000194 fatty acid Substances 0.000 claims description 5
- 229930195729 fatty acid Natural products 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 239000000944 linseed oil Substances 0.000 claims description 5
- 235000021388 linseed oil Nutrition 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229920001515 polyalkylene glycol Polymers 0.000 claims description 5
- 229920013639 polyalphaolefin Polymers 0.000 claims description 5
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 claims description 5
- 241000390166 Physaria Species 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 4
- 239000004006 olive oil Substances 0.000 claims description 4
- 235000008390 olive oil Nutrition 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- XMNDMAQKWSQVOV-UHFFFAOYSA-N (2-methylphenyl) diphenyl phosphate Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C=CC=CC=1)OC1=CC=CC=C1 XMNDMAQKWSQVOV-UHFFFAOYSA-N 0.000 claims description 3
- ZNRLMGFXSPUZNR-UHFFFAOYSA-N 2,2,4-trimethyl-1h-quinoline Chemical compound C1=CC=C2C(C)=CC(C)(C)NC2=C1 ZNRLMGFXSPUZNR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 235000019482 Palm oil Nutrition 0.000 claims description 3
- 235000019483 Peanut oil Nutrition 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 3
- 235000019484 Rapeseed oil Nutrition 0.000 claims description 3
- 235000019485 Safflower oil Nutrition 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000004359 castor oil Substances 0.000 claims description 3
- 235000019438 castor oil Nutrition 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 235000005687 corn oil Nutrition 0.000 claims description 3
- 239000002285 corn oil Substances 0.000 claims description 3
- 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 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 3
- 239000002540 palm oil Substances 0.000 claims description 3
- 239000000312 peanut oil Substances 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 235000005713 safflower oil Nutrition 0.000 claims description 3
- 239000003813 safflower oil Substances 0.000 claims description 3
- 239000001384 succinic acid Substances 0.000 claims description 3
- MBBWTVUFIXOUBE-UHFFFAOYSA-L zinc;dicarbamodithioate Chemical compound [Zn+2].NC([S-])=S.NC([S-])=S MBBWTVUFIXOUBE-UHFFFAOYSA-L 0.000 claims description 3
- UBRWPVTUQDJKCC-UHFFFAOYSA-N 1,3-bis(2-tert-butylperoxypropan-2-yl)benzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC(C(C)(C)OOC(C)(C)C)=C1 UBRWPVTUQDJKCC-UHFFFAOYSA-N 0.000 claims description 2
- GWQOYRSARAWVTC-UHFFFAOYSA-N 1,4-bis(2-tert-butylperoxypropan-2-yl)benzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=C(C(C)(C)OOC(C)(C)C)C=C1 GWQOYRSARAWVTC-UHFFFAOYSA-N 0.000 claims description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 2
- XEGLBSZEAJDYBS-UHFFFAOYSA-N 3-tert-butylperoxy-1-(tert-butylperoxymethyl)-1,5-dimethylcyclohexane Chemical compound CC1CC(OOC(C)(C)C)CC(C)(COOC(C)(C)C)C1 XEGLBSZEAJDYBS-UHFFFAOYSA-N 0.000 claims description 2
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 2
- 150000004696 coordination complex Chemical class 0.000 claims description 2
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 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 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims 1
- OVGORFFCBUIFIA-UHFFFAOYSA-N Fenipentol Chemical compound CCCCC(O)C1=CC=CC=C1 OVGORFFCBUIFIA-UHFFFAOYSA-N 0.000 claims 1
- 244000068988 Glycine max Species 0.000 claims 1
- 235000010469 Glycine max Nutrition 0.000 claims 1
- 235000019738 Limestone Nutrition 0.000 claims 1
- GLOYGJPNNKTDIG-UHFFFAOYSA-N SC=1N=NSC=1S Chemical compound SC=1N=NSC=1S GLOYGJPNNKTDIG-UHFFFAOYSA-N 0.000 claims 1
- GNVMUORYQLCPJZ-UHFFFAOYSA-M Thiocarbamate Chemical compound NC([S-])=O GNVMUORYQLCPJZ-UHFFFAOYSA-M 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 239000004568 cement Substances 0.000 claims 1
- 238000009749 continuous casting Methods 0.000 claims 1
- 239000006028 limestone Substances 0.000 claims 1
- 238000005065 mining Methods 0.000 claims 1
- 229910052961 molybdenite Inorganic materials 0.000 claims 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims 1
- 239000011505 plaster Substances 0.000 claims 1
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 claims 1
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 claims 1
- 229940070710 valerate Drugs 0.000 claims 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 235000010446 mineral oil Nutrition 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 150000003626 triacylglycerols Chemical class 0.000 description 5
- 239000003963 antioxidant agent Substances 0.000 description 4
- 235000021317 phosphate Nutrition 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 235000013877 carbamide Nutrition 0.000 description 3
- 239000012208 gear oil Substances 0.000 description 3
- 230000005865 ionizing radiation Effects 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 235000015112 vegetable and seed oil Nutrition 0.000 description 3
- 239000008158 vegetable oil Substances 0.000 description 3
- 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 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 235000012216 bentonite Nutrition 0.000 description 2
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 235000011180 diphosphates Nutrition 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000003549 soybean oil Substances 0.000 description 2
- 235000012424 soybean oil Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000003558 thiocarbamic acid derivatives Chemical class 0.000 description 2
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- MYOQALXKVOJACM-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy pentaneperoxoate Chemical compound CCCCC(=O)OOOC(C)(C)C MYOQALXKVOJACM-UHFFFAOYSA-N 0.000 description 1
- BIGYLAKFCGVRAN-UHFFFAOYSA-N 1,3,4-thiadiazolidine-2,5-dithione Chemical compound S=C1NNC(=S)S1 BIGYLAKFCGVRAN-UHFFFAOYSA-N 0.000 description 1
- KRDXTHSSNCTAGY-UHFFFAOYSA-N 2-cyclohexylpyrrolidine Chemical compound C1CCNC1C1CCCCC1 KRDXTHSSNCTAGY-UHFFFAOYSA-N 0.000 description 1
- 239000005749 Copper compound Substances 0.000 description 1
- 241000208818 Helianthus Species 0.000 description 1
- 235000003222 Helianthus annuus Nutrition 0.000 description 1
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 1
- 229910015800 MoS Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- RYYWUUFWQRZTIU-UHFFFAOYSA-N Thiophosphoric acid Chemical class OP(O)(S)=O RYYWUUFWQRZTIU-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 239000007866 anti-wear additive Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- VMDFASMUILANOL-WXXKFALUSA-N bisoprolol fumarate Chemical compound [H+].[H+].[O-]C(=O)\C=C\C([O-])=O.CC(C)NCC(O)COC1=CC=C(COCCOC(C)C)C=C1.CC(C)NCC(O)COC1=CC=C(COCCOC(C)C)C=C1 VMDFASMUILANOL-WXXKFALUSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000001880 copper compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 235000020778 linoleic acid Nutrition 0.000 description 1
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 1
- 239000003879 lubricant additive Substances 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 235000020777 polyunsaturated fatty acids Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
-
- 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
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/061—Carbides; Hydrides; Nitrides
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
- C10M2201/066—Molybdenum sulfide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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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
- C10N2040/38—Conveyors or chain belts
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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
- C10N2050/10—Semi-solids; greasy
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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
- C10N2070/00—Specific manufacturing methods for lubricant compositions
Definitions
- the invention relates to a lubricant composition based on modified, natural and renewable raw materials whose viscosity is adjustable depending on the application.
- the invention relates to biodegradable lubricant compositions.
- An object of the present invention is to provide a lubricant composition based on triglyceride-based native, renewable oils to which viscosity can be adjusted according to the desired application.
- Another object of the present invention is to provide a lubricating composition containing the modified native oils which can be used at extreme temperatures in high and low temperatures Low temperature range has good tribological properties and good resistance to oxidation.
- a lubricant composition in which native oils based on triglycerides are reacted with peroxides and the unsaturated fractions of the fatty acids are linked together by means of a radical addition reaction. This reaction alters the viscosity of the modified oil.
- the viscosity can be adjusted to the desired value as a function of the peroxide / oil ratio and thus adapted to the requirements of the particular application.
- the lubricant composition can be used as fluid grease of NLGI grades 000, 00 and as fluid grease for central lubrication systems and in the context of gear lubrication and as so-called soft grease in plain bearings, rolling bearings and water pumps of NGLI grades 1 to 4 or so-called Tough greases of NLGI grades 5 and 6 can be used as sealing or block greases.
- the basis for the lubricant compositions of the present invention is a process for changing the viscosity of a triglyceride-based native oil, wherein the native oil is reacted with a peroxide compound at a temperature of 165 ° C to 190 ° C for 3 to 5 hours followed by the unsaturated double bonds be linked by radical addition reaction. Subsequently, the by-products formed during the polymerization are removed under high vacuum. The viscosity-modified oils produced in this way can then be further processed in situ for the production of lubricants. Depending on the desired viscosity of the oil to be produced, 4.8% to 10.3% of the corresponding peroxide compound is used for the reaction of the native oil with the peroxide compound.
- an oil is obtained with a viscosity of 100 to 1250 mm 2 / sec.
- the Fig. 1 shows the dependence of the viscosity on the peroxide concentration. Due to the different amounts of peroxide compound, therefore, a highly viscous oil as well as a low-viscosity oil can be produced reproducibly in a simple manner.
- the peroxides used can be both aromatic and aliphatic peroxide compounds.
- the peroxide compound is selected from the group consisting of 1,3-bis (tert-butylperoxyisopropyl) benzene, 1,4-bis (tert-butylperoxyisopropyl) benzene, dicumyl peroxide, tert-butylcumyl peroxide, 2,5-dimethyl-2,5 -di- (tert-butylperoxy) hexane, n-butyl-4,4'-di (tert-butylperoxy) valerate, 1,1'-di (tert-butylperoxy) -3,3,5-trimethylcyclohexane, 2 , 5-dimethyl-2,5-di- (tert-butylperoxy) hexane.
- Particularly preferred are aliphatic peroxide compounds, e.g. 2,5-dimethyl-2,5-d
- oils having a high proportion of unsaturated components are particularly suitable.
- vegetable oils with a high proportion of oleic acid are suitable.
- olive oil which has an oleic acid content of 65 to 85%.
- vegetable oils having an oleic acid content of at least 60% may also be genetically modified to increase the oleic acid content.
- the native oils are selected from the group consisting of high oleic safflower oil, high oleic corn oil, high oleic rapeseed oil, high oleic sunflower oil, high oleic soybean oil, high oleic linseed oil, high oleic peanut oil, "Lesquerella” oil high oleic acid content, high oleic palm oil, high oleic acid castor oil, high oleic acid linseed oil or high oleic olive oil, and mixtures of the foregoing oils.
- the modified oils thus obtained which have a higher viscosity compared to the starting oils, are inexpensive and reproducible in terms of their tribological properties, their oxidation resistance and their range of application at temperatures from -30 ° C to 180 ° C. Compared to mineral oils they have the advantage that they are biodegradable and are available indefinitely.
- the unsaturated fatty acids are wholly or partly linked to one another by the reaction with peroxide via a radical addition reaction by utilizing the unsaturated components in the oils.
- the degree of polymerization of the modified oil is dependent on the ratio of the oil to the peroxide. Another influence on the degree of polymerization, the reaction temperature and the reaction time.
- the modified oils thus obtained have a greatly improved behavior at low temperatures, but can also be used at high temperatures and have a very high VI, which is> 210. In addition, they have very good tribological properties and excellent oxidation resistance.
- the lubricant compositions based on native modified oils of the present invention have polar properties and can be applied as thin adhesive films on metallic surface, whereby an excellent lubricating effect is achieved.
- this lubricating film can not be easily detached from the metal surface, which extends the scope of the lubricants according to the invention still on hydraulic applications.
- their crosslinked structure makes them more stable to thermal and mechanical stresses than the linear hydrocarbon compositions.
- the highly viscous oils based on renewable resources are also suitable to replace the so-called “Brightstock”, which is used as a base component in many lubricants, in whole or in part.
- the modified triglyceride-based modified oil-based lubricant compositions have the advantages of being made from renewable raw materials, starting materials biodegradable and non-toxic, having high flash points, being thermally stable and having excellent low temperature performance. Added to this is an improved adhesion to metallic surfaces.
- the kinematic viscosity of renewable and natural oils is, as described below, according to the intended use of the lubricant composition in a range of 100 to 1250 mm 2 / sec at 40 ° C.
- Such a composition is usually used as fluid grease.
- the thickener of the lubricant composition is selected from the group consisting of urea, aluminum complex soaps, metal soaps of the elements of the 1st and 2nd main group of the periodic table, metal complex soaps of the elements of the 1st and 2nd main group of the Periodic Table, bentonite, sulfonate, silicate , Polyimide or PTFE or a mixture of the aforementioned thickeners.
- the solid lubricant is selected from the group consisting of graphite, boron nitride, MoS 2 , WS 2 , SnS SnS 2 or Bi 2 S 3 or a mixture of the aforementioned solid lubricants.
- the additive or additive mixture is selected from the group consisting of butylhydroxytoluene, dialkyldiphenylamines, alkylated phenyl-alpha-naphthylamines, polymeric trimethyldihydroquinoline, sulfurized fatty acid esters, diphenyl cresyl phosphate, amine neutralized phosphates, alkylated and non-alkylated triaryl phosphates, alkylated and non-alkylated triarylthiophosphates, zinc dialkyldithiophosphates, Carbamates, thiocarbamates, zinc dithiocarbamates, dimercapto thiadiazole, succinic acid half esters, calcium sulfonates, benzotriazole derivatives, K-pentaborates, Na thiosulfates and Na pyrophosphates.
- the base oil component of the lubricant composition is selected from the group consisting of paraffinic and naphthenic mineral oils, synthetic hydrocarbons, poly-alpha olefin (PAO), poly-internal olefin (PIO), ethylene-propylene copolymers, Group III oils, synthetic esters , Polyalkylene glycols or alkylaromatics and mixtures thereof.
- PAO poly-alpha olefin
- PIO poly-internal olefin
- ethylene-propylene copolymers Group III oils
- synthetic esters Polyalkylene glycols or alkylaromatics and mixtures thereof.
- the oil is reacted with the peroxide before use and then the appropriate additives, such as thickeners, such as silicates, sulfonates, polyimides, metal soaps, metal soap complexes, ureas and bentonites are introduced in situ into the previously polymerized oil.
- the polymerized oils can also be mixed with other base oil components such as Paraffin-based and naphthenic mineral oils, synthetic hydrocarbons (poly-alpha-olefin, poly-internal olefin, ethylene-propylene copolymers), Group III oils, synthetic esters, polyalkylene glycols (PAG) and alkylaromatics are blended in lubricant formulations.
- Conventional anti-wear additives and solid lubricant additives such as triaryl phosphates, triaryl thiophosphates, zinc dialkyldithiophosphates, carbamates, thiocarbamates, zinc dithiocarbamates, MoS 2 , graphite, boron nitride, PTFE, Na thiosulfates, Na pyrophosphates, etc. can be used here.
- the antioxidants used are usually phenolic and amine antioxidants, preferably using polymerized trimethyldihydroquinoline or sulfurized fatty acid esters.
- the lubricant compositions according to the invention can advantageously be mixed in a so-called one-pot reaction quickly and reproducibly shortly before use.
- lubricant composition as transmission oils for a worm gear is described below.
- suitable phosphorus and sulfur based additives as well as butylhydroxytoluene, dialkyldiphenylamine, diphenylcresol phosphate, amine neutralized phosphate, succinic acid half ester and triazole derivative, a high oleic acid polymerized sunflower oil oil based on the ISO VG 460 standard is developed.
- the proportion of the abovementioned additive mixture is about 6%.
- the lubricant composition is tested on a worm gear test stand for 300 hours.
- the modified sunflower oil has an efficiency of between 70 to 80% and thus achieves the efficiency of conventional poly-alpha-olefin and polyalkylene glycol based gear oils.
- the lubricant composition according to the invention far exceeds the conventional gear oils.
- the very low abrasion over the period of 300 h and the very quickly adjusting hydrodynamic lubrication illustrate the good lubricating properties of such a native gear oil.
- a urea grease of NLGI Class 1 was developed.
- This antifriction bearing grease contains 52% by weight of ISO VG 460 polymerized modified high oleic sunflower oil, 38.3% by weight of mineral oil (bright stock), and 6.59% by weight of thickener and 3.05% by weight of an additive mixture consisting of Zn-dialkyldithiophosphate sulphurised fatty acid ester, benzotriazole and antioxidant for thermal stabilization.
- a colorless, biodegradable gear lubricant is a composition consisting of a modified sunflower oil to which a calcium soap has been added as thickening agent having a viscosity of 700 mm 2 / sec at 40 ° C. This grease composition was compared with a mineral oil based grease composition and an aluminum soap thickener which also contained graphite as a solid lubricant.
- the grease composition according to the present invention based on a biodegradable modified sunflower oil gives equal, if not better, results than a standard fluid grease.
- it is biodegradable and colorless, i.
- a solid lubricant such as graphite can be omitted. So it can meet the customer demands for non-black fats as possible.
- modified triglyceride-based native oils is use in an application kit containing 70 to 90% by weight modified sunflower oil polymer having a kinematic viscosity in the range of 100 to 1250 mm 2 / sec at 40 ° C, especially in the range of 350 to 550 mm 2 / sec at 40 ° C and 30 to 10 wt .-% of a lithium-based soap, wherein the ingredients are mixed together just prior to use, and thus an NLGI grade grease is obtained between 0 and 2, and wherein the lithium based soap is prepared by direct saponification of modified sunflower polymerizate by LiOH x H 2 O in the 1: 1 molar ratio is produced.
- a kit can be used for example in plain bearings.
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Abstract
Description
Die Erfindung betrifft eine Schmierstoffzusammensetzung auf der Basis modifizierter, natürlicher und nachwachsender Rohstoffe, deren Viskosität je nach Anwendung einstellbar ist. Insbesondere betrifft die Erfindung biologisch abbaubare Schmierstoffzusammensetzungen.The invention relates to a lubricant composition based on modified, natural and renewable raw materials whose viscosity is adjustable depending on the application. In particular, the invention relates to biodegradable lubricant compositions.
Aus
Aus der
So beschreibt die
Darüber hinaus werden die natürliche Oxidation von Pflanzenölen beschrieben. Prinzipiell wird auf die gute Schmiereigenschaft natürlicher Triglyceride hingewiesen. Diese ist jedoch stark eingeschränkt, da diese Öle auf Grund ihres hohen Doppelbindungsanteils stark zur Oxidation neigen und somit ihre Anwendungsgebiete stark eingeschränkt sind. Außerdem können oxidative Rückstände zum Ausfallen von Bauteilen, z.B. Wälzlagern bedingt durch Verschleiß führen.In addition, the natural oxidation of vegetable oils are described. In principle, attention is drawn to the good lubricating properties of natural triglycerides. However, this is severely limited, since these oils are highly prone to oxidation due to their high double bond content and thus their application areas are severely limited. In addition, oxidative residues can precipitate components, e.g. Rolling bearings lead due to wear.
Um die Oxidationsbeständigkeit dieser Öle zu verbessern, wurde vorgeschlagen, diese mit phenolischen und aromatischen Amin-Antioxidantien zu versetzen oder öllösliche Kupferverbindungen zuzugeben.In order to improve the oxidation resistance of these oils, it has been proposed to add them with phenolic and aromatic amine antioxidants or to add oil-soluble copper compounds.
Durch die immer weitere Verknappung von Erdöl, dessen Mineralölbestandteile als Grundstoffe für die Herstellung von Schmiermittelzusammensetzungen nach wie vor Anwendung finden, wird es erforderlich sein, diese Mineralölbestandteile durch nachwachsende Rohstoffe in Zukunft ersetzen zu können. Die Verwendung von nativen Ölen auf der Basis von natürlichen und nachwachsenden Rohstoffen als Schmiermittel wird jedoch durch ihre geringe Viskosität auf wenige Anwendungsbereiche eingeschränkt.Due to the ever-increasing scarcity of petroleum, the mineral oil components of which are still used as raw materials for the production of lubricant compositions, it will be necessary to be able to replace these mineral oil components by renewable resources in the future. However, the use of native oils based on natural and renewable raw materials as lubricants is limited by its low viscosity to a few applications.
Eine Aufgabe der vorliegenden Erfindung ist die Bereitstellung einer Schmierstoffzusammensetzung auf der Basis von nativen, nachwachsenden Ölen auf Triglycerid-Basis, denen Viskosität entsprechend der gewünschten Anwendung eingestellt werden kann. Eine weitere Aufgabe der vorliegenden Erfindung ist die Bereitstellung einer Schmiermittelzusammensetzung, die das modifizierte native Öle enthält und die bei extremen Temperaturen im Hoch- und Tieftemperaturbereich gute tribologische Eigenschaften und eine gute Beständigkeit gegenüber Oxidation aufweist.An object of the present invention is to provide a lubricant composition based on triglyceride-based native, renewable oils to which viscosity can be adjusted according to the desired application. Another object of the present invention is to provide a lubricating composition containing the modified native oils which can be used at extreme temperatures in high and low temperatures Low temperature range has good tribological properties and good resistance to oxidation.
Diese Aufgabe wird durch eine Schmierstoffzusammensetzung gelöst, bei dem native Öle, die auf Triglyceriden basieren, mit Peroxiden umgesetzt werden und mittels einer radikalischen Additionsreaktion die ungesättigten Anteile der Fettsäuren miteinander verknüpft werden. Durch diese Umsetzung wird die Viskosität des modifizierten Öls verändert. Die Viskosität kann in Abhängigkeit des Peroxid/Öl-Verhältnisses auf den gewünschten Wert eingestellt werden und so an die Anforderungen der jeweiligen Anwendung angepaßt werden. Je nach Viskosität des modifizierten Öls kann die Schmierstoffzusammensetzung als Fließfett der NLGI-Klassen 000, 00 und als Fließfett für Zentralschmieranlagen und im Rahmen von Getriebeschmierung sowie als sogenanntes weiches Fett in Gleitlagern, Wälzlagern und für Wasserpumpen der NGLI-Klassen 1 bis 4 oder als sogenannte härtere Fette der NLGI-Klassen 5 und 6 als Dicht- oder Blockfette eingesetzt werden.This object is achieved by a lubricant composition in which native oils based on triglycerides are reacted with peroxides and the unsaturated fractions of the fatty acids are linked together by means of a radical addition reaction. This reaction alters the viscosity of the modified oil. The viscosity can be adjusted to the desired value as a function of the peroxide / oil ratio and thus adapted to the requirements of the particular application. Depending on the viscosity of the modified oil, the lubricant composition can be used as fluid grease of NLGI grades 000, 00 and as fluid grease for central lubrication systems and in the context of gear lubrication and as so-called soft grease in plain bearings, rolling bearings and water pumps of
Grundlage für die Schmierstoffzusammensetzungen der vorliegenden Erfindung ist ein Verfahren zur Veränderung der Viskosität eines nativen Öls auf Triglyceridbasis, wobei das native Öl mit einer Peroxidverbindung bei einer Temperatur von 165°C bis 190°C für 3 bis 5 Stunden umgesetzt wird und anschließend die ungesättigten Doppelbindungen durch radikalische Additionsreaktion verknüpft werden. Anschließend werden die bei der Polyermerisation entstandenen Nebenprodukte im Hochvakuum entfernt. Die so hergestellten viskositätsveränderten Öle können dann in situ zur Herstellung von Schmierstoffen weiterverarbeitet werden. Für die Umsetzung des nativen Öls mit der Peroxidverbindung werden je nach gewünschter Viskosität des herzustellenden Öls 4,8% bis 10,3% der entsprechenden Peroxidverbindung eingesetzt. Dabei wird ein Öl mit einer Viskosität von 100 bis 1250 mm2/sec erhalten. Die
Die verwendeten Peroxide können sowohl aromatische als auch aliphatische Peroxidverbindungen sein. Vorzugsweise wird die Peroxidverbindung ausgewählt aus der Gruppe bestehend aus 1,3-Bis(tert-butylperoxyisopropyl)benzol, 1,4-Bis(tert-butylperoxyisopropyl)benzol, Dicumylperoxid, tert.-Butylcumylperoxid, 2,5-Dimethyl-2,5-di-(tert-butylperoxy)hexan, n-Butyl-4,4'-di(tert.-butylperoxy)valerate, 1,1'-di-(tert-Butylperoxy)-3,3,5-trimethylcyclohexan, 2,5-Dimethyl-2,5-di-(tert-butylperoxy)hexan. Besonders bevorzugt sind alphatische Peroxidverbindungen, wie z.B. 2,5-Dimethyl-2,5-di-(tert-butylperoxy)hexan oder Di-tert.-Butylperoxid.The peroxides used can be both aromatic and aliphatic peroxide compounds. Preferably, the peroxide compound is selected from the group consisting of 1,3-bis (tert-butylperoxyisopropyl) benzene, 1,4-bis (tert-butylperoxyisopropyl) benzene, dicumyl peroxide, tert-butylcumyl peroxide, 2,5-dimethyl-2,5 -di- (tert-butylperoxy) hexane, n-butyl-4,4'-di (tert-butylperoxy) valerate, 1,1'-di (tert-butylperoxy) -3,3,5-trimethylcyclohexane, 2 , 5-dimethyl-2,5-di- (tert-butylperoxy) hexane. Particularly preferred are aliphatic peroxide compounds, e.g. 2,5-dimethyl-2,5-di (tert-butylperoxy) hexane or di-tert-butyl peroxide.
Für die Umsetzung mit den oben erwähnten Peroxiden und anschließender radikalischer Additionsreaktion eignen sich insbesondere Öle mit einen hohen Anteil an ungesättigten Komponenten, die einfach oder mehrfach ungesättigt sein können. Insbesondere eignen sich Pflanzenöle mit einem hohen Ölsäureanteil. Als natürliches nicht genetisch modifiziertes Öl eignet sich insbesondere Olivenöl, das einen Ölsäuregehalt von 65 bis 85 % aufweist. Weiterhin bevorzugt sind Pflanzenöle mit einem Ölsäuregehalt von mindestens 60%. Diese können auch genetisch modifiziert sein, um den Ölsäuregehalt zu erhöhen. Die nativen Öle werden ausgewählt aus der Gruppe bestehend aus Safloröl mit hohem Ölsäuregehalt, Maisöl mit hohem Ölsäuregehalt, Rapsöl mit hohem Ölsäuregehalt, Sonnenblumenöl mit hohem Ölsäuregehalt, Sojabohnenöl mit hohem Ölsäuregehalt, Leinsamenöl mit hohem Ölsäuregehalt, Erdnußöl mit hohem Ölsäuregehalt, "Lesquerella"-Öl mit hohem Ölsäuregehalt, Palmöl mit hohem Ölsäuregehalt, Rizinusöl mit hohem Ölsäureanteil, Leinöl mit hohem Ölsäureanteil oder Olivenöl mit hohem Ölsäureanteil sowie Mischungen aus den vorgenannten Ölen.For the reaction with the abovementioned peroxides and subsequent radical addition reaction, oils having a high proportion of unsaturated components, which may be monounsaturated or polyunsaturated, are particularly suitable. In particular, vegetable oils with a high proportion of oleic acid are suitable. As a natural non-genetically modified oil is particularly suitable olive oil, which has an oleic acid content of 65 to 85%. Further preferred are vegetable oils having an oleic acid content of at least 60%. These may also be genetically modified to increase the oleic acid content. The native oils are selected from the group consisting of high oleic safflower oil, high oleic corn oil, high oleic rapeseed oil, high oleic sunflower oil, high oleic soybean oil, high oleic linseed oil, high oleic peanut oil, "Lesquerella" oil high oleic acid content, high oleic palm oil, high oleic acid castor oil, high oleic acid linseed oil or high oleic olive oil, and mixtures of the foregoing oils.
Die so erhaltenen modifizierten Öle, die verglichen mit den Ausgangsölen eine höhere Viskosität aufweisen, sind hinsichtlich ihrer tribologischen Eigenschaften, ihrer Oxidationsbeständigkeit und ihrem Anwendungsbereich bei Temperaturen von -30°C bis 180°C kostengünstig und in reproduzierbarer Weise herstellbar. Gegenüber Mineralölen haben sie den Vorteil, daß sie biologisch abbaubar sind und zeitlich unbegrenzt zur Verfügung stehen.The modified oils thus obtained, which have a higher viscosity compared to the starting oils, are inexpensive and reproducible in terms of their tribological properties, their oxidation resistance and their range of application at temperatures from -30 ° C to 180 ° C. Compared to mineral oils they have the advantage that they are biodegradable and are available indefinitely.
Wie bereits oben ausgeführt, werden unter Ausnutzung der ungesättigten Komponenten in den Ölen durch die Umsetzung mit Peroxid über eine radikalische Additionsreaktion die ungesättigten Fettsäuren ganz oder teilweise miteinander verknüpft. Bei diesem Verfahren ist der Polymerisationsgrad des modifizierten Öls abhängig vom Verhältnis des Öls zum Peroxid. Eine weiteren Einfluß auf das Maß der Polymerisation haben auch die Reaktionstemperatur und die Reaktionsdauer. Die so erhaltenen modifizierten Öle haben ein stark verbessertes Verhalten bei tiefen Temperaturen, können aber auch bei hohen Temperaturen eingesetzt werden und weisen einen sehr hohen VI auf, der bei > 210 liegt. Darüber hinaus weisen sie sehr gute tribologische Eigenschaften und eine ausgezeichnete Oxidationsbeständigkeit auf.As already stated above, the unsaturated fatty acids are wholly or partly linked to one another by the reaction with peroxide via a radical addition reaction by utilizing the unsaturated components in the oils. In this method, the degree of polymerization of the modified oil is dependent on the ratio of the oil to the peroxide. Another influence on the degree of polymerization, the reaction temperature and the reaction time. The modified oils thus obtained have a greatly improved behavior at low temperatures, but can also be used at high temperatures and have a very high VI, which is> 210. In addition, they have very good tribological properties and excellent oxidation resistance.
Die Schmierstoffzusammensetzungen auf der Basis von nativen modifizierten Ölen der vorliegenden Erfindung haben polare Eigenschaften und können als dünne Haftfilme auf metallischen Oberfläche aufgetragen werden, wodurch eine ausgezeichnete Schmierwirkung erreicht wird. Im Gegensatz zu den Schmierstoffen auf Mineralöl- oder Kohlenwasserstoffbasis kann dieser Schmierfilm nicht leicht von der Metalloberfläche abgelöst werden, was den Anwendungsbereich der erfindungsgemäßen Schmierstoffe noch auf hydraulische Anwendungen erweitert. Sie sind insbesondere durch ihre vernetzte Struktur gegenüber thermischen und mechanischen Belastungen stabiler als die linearen Kohlenwasserstoffzusammensetzungen.The lubricant compositions based on native modified oils of the present invention have polar properties and can be applied as thin adhesive films on metallic surface, whereby an excellent lubricating effect is achieved. In contrast to the lubricants based on mineral oil or hydrocarbon, this lubricating film can not be easily detached from the metal surface, which extends the scope of the lubricants according to the invention still on hydraulic applications. In particular, their crosslinked structure makes them more stable to thermal and mechanical stresses than the linear hydrocarbon compositions.
Die hoch viskosen Öle auf Basis nachwachsender Rohstoffe sind auch geeignet, den sogenannten "Brightstock", welcher als Basiskomponente in vielen Schmierstoffen zu Einsatz kommt, ganz oder teilweise zu ersetzen.The highly viscous oils based on renewable resources are also suitable to replace the so-called "Brightstock", which is used as a base component in many lubricants, in whole or in part.
Die Schmierstoffzusammensetzungen mit modifizierten, nativen Ölen auf Triglycerid-Basis haben zusammengefaßt die Vorteile, daß sie aus emeuerbaren Rohstoffen hergestellt werden, die Ausgangsmaterialien biologisch abbaubar und nicht toxisch sind, hohe Flammpunkte besitzen, thermisch stabil sind und ein ausgezeichnetes Tieftemperaturverhalten haben. Hinzu kommt noch ein verbessertes Haftvermögen auf metallischen Oberflächen.The modified triglyceride-based modified oil-based lubricant compositions have the advantages of being made from renewable raw materials, starting materials biodegradable and non-toxic, having high flash points, being thermally stable and having excellent low temperature performance. Added to this is an improved adhesion to metallic surfaces.
Die kinematische Viskosität von nachwachsenden und natürlichen Ölen liegt, wie nachfolgend beschrieben, entsprechend der vorgesehenen Verwendung der Schmierstoffzusammensetzung in einem Bereich von 100 bis 1250 mm2/sec bei 40°C.The kinematic viscosity of renewable and natural oils is, as described below, according to the intended use of the lubricant composition in a range of 100 to 1250 mm 2 / sec at 40 ° C.
Die mit dem modifizierten nativen Öl hergestellte Schmierstoffzusammensetzung umfaßt
- (a) 50 bis 90 Gewichts-% eines modifizierten, nativen Öls auf Triglyceridbasis mit einen hohen Ölsäureanteil ausgewählt aus der Gruppe bestehend aus Sonnenblumenöl, Rapsöl, Rizinusöl, Leinöl, Maisöl, Safloröl, Sojabohnenöl, Leinsamenöl, Erdnußöl, "Lesquerella"-Öl, Palmöl, Olivenöl oder Mischungen aus den vorgenannten Ölen, wobei das native Öl mit einem Peroxid umsetzt wird und die ungesättigten Doppelbindungen durch radikalische Additionsreaktion verknüpft werden, und
- (b) 5 bis 10 Gewichts-% Additive oder Additivgemische,
wobei die Viskosität des modifizierten nativen Öl im Bereich von 100 bis 1250 mm2/sec. liegt. - (c) 5 bis 30 Gewichts-% Verdickungsmittel enthalten.
- (a) 50 to 90% by weight of a modified high tri-glyceride-based oil-selected oil selected from the group consisting of sunflower oil, rapeseed oil, castor oil, linseed oil, corn oil, safflower oil, soybean oil, linseed oil, peanut oil, "Lesquerella" oil, Palm oil, olive oil or mixtures of the aforementioned oils, wherein the native oil is reacted with a peroxide and the unsaturated double bonds are linked by free-radical addition reaction, and
- (b) 5 to 10% by weight of additives or additive mixtures,
wherein the viscosity of the modified native oil is in the range of 100 to 1250 mm 2 / sec. lies. - (c) 5 to 30% by weight of thickener.
Eine solche Zusammensetzung wird in der Regel als Fließfett verwendet.Such a composition is usually used as fluid grease.
Wenn die Schmierstoffzusammensetzung neben den Komponenten (a) bis (c) auch noch
- (d) 5 bis 10 Gewichts-% Festschmierstoffe enthält,
- (d) contains 5 to 10% by weight of solid lubricants,
Wie bereits oben beschrieben, ist es möglich, einen Teil des sogenannten "Brightstock" durch das modifizierte, native Öl zu ersetzen. Bei einer derartigen Schmierstoffzusammensetzung sind zusätzlich zu den Komponenten (a) bis (d)
- (e) 5 bis 45 Gewichts-% einer weiteren Grundölkomponente oder mehrerer Grundölkomponenten enthalten.
- (e) 5 to 45% by weight of another base oil component or more of base oil components.
Das Verdickungsmittel der Schmierstoffzusammensetzung wird ausgewählt aus der Gruppe bestehend aus Harnstoff, Aluminiumkomplexseifen, Metall-Einfachseifen der Elemente der 1. und 2. Hauptgruppe des Periodensystems, Metall-Komplexseifen der Elemente der 1. und 2. Hauptgruppe des Periodensystems, Bentonit, Sulfonat, Silikat, Polyimid oder PTFE oder einer Mischung der vorgenannten Verdickungsmittel.The thickener of the lubricant composition is selected from the group consisting of urea, aluminum complex soaps, metal soaps of the elements of the 1st and 2nd main group of the periodic table, metal complex soaps of the elements of the 1st and 2nd main group of the Periodic Table, bentonite, sulfonate, silicate , Polyimide or PTFE or a mixture of the aforementioned thickeners.
Der Festschmierstoff wird ausgewählt aus der Gruppe bestehend aus Graphit, Bornitrid, MoS2, WS2, SnS SnS2 oder Bi2S3 oder einer Mischung der vorgenannten Festschmierstoffe.The solid lubricant is selected from the group consisting of graphite, boron nitride, MoS 2 , WS 2 , SnS SnS 2 or Bi 2 S 3 or a mixture of the aforementioned solid lubricants.
Das Additiv oder Additivgemisch wird ausgewählt aus der Gruppe bestehend aus Butylhydroxytoluol, Dialkyldiphenylamine, alkylierte Phenyl- alpha-Naphthylamine, polymeres Trimethyldihydrochinolin, geschwefelte Fettsäureester, Diphenylkresylphosphat, Amin neutralisierte Phosphate, alkylierte und nicht alkylierte Triarylphosphate, alkylierte und nicht alkylierte Triarylthiophosphate, Zink-dialkyldithiophosphate, Carbamate, Thiocarbamate, Zink-dithiocarbamate, Dimercapto-Thiadiazol, Bernsteinsäurehalbester, Calcium-Sulfonate, Benzotriazol-Derivate, K-Pentaborate, Na-Thiosulfate und Na-Pyrophosphate.The additive or additive mixture is selected from the group consisting of butylhydroxytoluene, dialkyldiphenylamines, alkylated phenyl-alpha-naphthylamines, polymeric trimethyldihydroquinoline, sulfurized fatty acid esters, diphenyl cresyl phosphate, amine neutralized phosphates, alkylated and non-alkylated triaryl phosphates, alkylated and non-alkylated triarylthiophosphates, zinc dialkyldithiophosphates, Carbamates, thiocarbamates, zinc dithiocarbamates, dimercapto thiadiazole, succinic acid half esters, calcium sulfonates, benzotriazole derivatives, K-pentaborates, Na thiosulfates and Na pyrophosphates.
Die Grundölkomponente der Schmierstoffzusammensetzung wird ausgewählt aus der Gruppe bestehend aus paraffinbasischen und naphtenbasischen Mineralölen, synthetischen Kohlenwasserstoffen, Poly-alpha-Olefin (PAO), Poly-internal-olefin (PIO), Ethylen-Propylen-Copolymere, Gruppe III-Öle, synthetischen Estern, Polyalkylenglykolen oder Alkylaromaten sowie deren Mischungen.The base oil component of the lubricant composition is selected from the group consisting of paraffinic and naphthenic mineral oils, synthetic hydrocarbons, poly-alpha olefin (PAO), poly-internal olefin (PIO), ethylene-propylene copolymers, Group III oils, synthetic esters , Polyalkylene glycols or alkylaromatics and mixtures thereof.
Besonders vorteilhaft ist es, daß das Öl mit dem Peroxid vor der Anwendung umgesetzt wird und dann die entsprechenden Zusätze, wie Verdickungsmittel, wie Silikate, Sulfonate, Polyimide, Metallseifen, Metallseifenkomplexe, Harnstoffe und Bentonite in situ in das zuvor polymerisierte Öl eingebracht werden. Die polymerisierten Öle können auch mit anderen Grundölkomponenten wie, paraffinbasischen und naphtenbasischen Mineralölen, synthetischen Kohlenwasserstoffen (Poly-alpha-Olefin, Poly-internal-olefin, Ethylen-Propylen-Copolymere), Gruppe III-Öle, synthetischen Estern, Polyalkylenglykolen (PAG) und Alkylaromaten in Schmierstoffformulierungen abgemischt werden. Übliche Verschleißschutzadditive und Festschmierstoffzusätze wie Triarylphosphate, Triarylthiophosphate, Zink-dialkyldithiophosphate, Carbamate, Thiocarbamate, Zink-dithiocarbamate, MoS2, Graphit, Bornitrid, PTFE, Na-Thiosulfate, Na-Pyrophosphate usw. können hier zum Einsatz kommen. Als Antioxidaten dienen üblicherweise phenolische und aminische Antioxidaten, wobei bevorzugt polymerisiertes Trimethyldihydrochinolin oder geschwefelte Fettsäureester verwendet werden.It is particularly advantageous that the oil is reacted with the peroxide before use and then the appropriate additives, such as thickeners, such as silicates, sulfonates, polyimides, metal soaps, metal soap complexes, ureas and bentonites are introduced in situ into the previously polymerized oil. The polymerized oils can also be mixed with other base oil components such as Paraffin-based and naphthenic mineral oils, synthetic hydrocarbons (poly-alpha-olefin, poly-internal olefin, ethylene-propylene copolymers), Group III oils, synthetic esters, polyalkylene glycols (PAG) and alkylaromatics are blended in lubricant formulations. Conventional anti-wear additives and solid lubricant additives such as triaryl phosphates, triaryl thiophosphates, zinc dialkyldithiophosphates, carbamates, thiocarbamates, zinc dithiocarbamates, MoS 2 , graphite, boron nitride, PTFE, Na thiosulfates, Na pyrophosphates, etc. can be used here. The antioxidants used are usually phenolic and amine antioxidants, preferably using polymerized trimethyldihydroquinoline or sulfurized fatty acid esters.
Die erfindungsgemäßen Schmierstoffzusammensetzungen können vorteilhafterweise in einer sogenannten Eintopfreaktion schnell und reproduzierbar kurz vor der Anwendung gemischt werden.The lubricant compositions according to the invention can advantageously be mixed in a so-called one-pot reaction quickly and reproducibly shortly before use.
Nachfolgend wird die Verwendung der erfindungsgemäßen Schmierstoffzusammensetzung als Getriebeöle für ein Schneckengetriebe beschrieben. Zusammen mit geeigneten Additiven auf Phosphor- und Schwefelbasis sowie Butylhydroxytoluol, Dialkyldiphenylamin, Diphenylkresolphosphat, Aminneutralisiertes Phosphat, Bernsteinsäurehalbester und Triazol-Derivat wird ein auf der ISO VG 460 Norm basierendes polymerisiertes Sonnenblumenöl mit hohem Ölsäureanteil entwickelt. Der Anteil an der vorstehend genannten Additivmischung beträgt ca. 6%. Die Schmierstoffzusammensetzung wird auf einem Schneckengetriebeprüfstand 300 Stunden getestet. Diese Untersuchung ergab, daß das modifizierte Sonnenblumenöl einen Wirkungsgrad hat, der zwischen 70 bis 80% liegt und somit den Wirkungsgrad von herkömmlichen Getriebenölen auf Poly-alpha-Olefin- und Polyalkylenglykol-Basis erreicht. Im Hinblick auf die Verschleißreduzierung und den schnellen Aufbau eines hydrodynamischen Schmierfilmes an der Reibstelle übertrifft die erfindungsgemäße Schmiermittelzusammensetzung die herkömmlichen Getriebeöle bei weitem. Die in
Insbesondere der sehr geringe Abrieb über die Laufzeit von 300 h und die sich sehr schnell einstellende hydrodynamische Schmierung verdeutlichen die guten Schmiereigenschaften eines solchen nativen Getriebeöls.In particular, the very low abrasion over the period of 300 h and the very quickly adjusting hydrodynamic lubrication illustrate the good lubricating properties of such a native gear oil.
Als weiteres Beispiel der erfindungsgemäßen Schmiermittelzusammensetzung wurde ein Harnstofffett der NLGI Klasse 1 entwickelt. Dieses Wälzlagerfett enthält 52 Gew.% ISO VG 460 polymerisiertes modifiziertes Sonnenblumenöl mit hohem Ölsäureanteil, 38,3 Gew.% Mineralöl (Brightstock), sowie 6,59 Gew.% Verdicker und 3,05 Gew.% einer Additivmischung bestehend aus Zn-dialkyldithiophosphat, geschwefeltem Fettsäureester, Benzotriazol und Antioxidant zur thermischen Stabilisierung. Mit diesem Fettkonzept ist es möglicht auf der FE9 Prüfmaschine bei 140°C L 50 Werte von > 100h zu erreichen.
Aus den in
Ein Beispiel für ein farbloses, biologisch abbaubares Getriebefließfett ist eine Zusammensetzung bestehend aus einem modifizierten Sonnenblumenöl, dem als Verdickungsmittel eine Calciumseife zugegeben wurde, daß eine Viskosität von 700 mm2/sec bei 40°C aufweist. Diese Schmierfettzusammensetzung wurde mit einer Schmierfettzusammensetzung auf Mineralölbasis und einer Aluminumseife als Verdickungsmittel verglichen, das darüber hinaus noch Graphit als Festschmierstoff enthielt.
Wie in Tabelle 1 gezeigt, führt die Schmierfettzusammensetzung gemäß der vorliegenden Erfindung, die auf einem biologisch abbaubaren modifizierten Sonnenblumenöl basiert, zu gleiche, wenn nicht besseren Ergebnisse als ein Standard-Fließfett. Darüber hinaus ist sie biologisch abbaubar und farblos, d.h. auf einen Festschmierstoff wie Graphit kann verzichtet werden. Es kann also den Kundenforderungen nach möglichst nicht schwarzen Fetten nachgekommen werden.As shown in Table 1, the grease composition according to the present invention based on a biodegradable modified sunflower oil gives equal, if not better, results than a standard fluid grease. In addition, it is biodegradable and colorless, i. On a solid lubricant such as graphite can be omitted. So it can meet the customer demands for non-black fats as possible.
Eine weitere Verwendung der modifizierten nativen Öle auf Triglyceridbasis ist die Verwendung in einem Anwendungskit enthaltend 70 bis 90 Gew.-% modifiziertes Sonnenblumenöl-Polymerisat mit einer kinematischen Viskosität im Bereich von 100 bis 1250 mm2/sec bei 40°C, insbesondere im Bereich von 350 bis 550 mm2/sec bei 40°C und 30 bis 10 Gew.-% einer Seife auf Lithiumbasis, wobei die Bestandteile direkt vor der Anwendung miteinander gemischt werden und so ein Fett der NLGI-Klasse zwischen 0 und 2 erhalten wird, und wobei die Seife auf Lithiumbasis durch Direktverseifung von modifiziertem Sonnenblumen-Pölymerisat durch LiOH x H20 im Molverhältnis 1:1 hergestellt wird. Ein derartiger Kit kann beispielsweise in Gleitlagern eingesetzt werden.Another use of the modified triglyceride-based native oils is use in an application kit containing 70 to 90% by weight modified sunflower oil polymer having a kinematic viscosity in the range of 100 to 1250 mm 2 / sec at 40 ° C, especially in the range of 350 to 550 mm 2 / sec at 40 ° C and 30 to 10 wt .-% of a lithium-based soap, wherein the ingredients are mixed together just prior to use, and thus an NLGI grade grease is obtained between 0 and 2, and wherein the lithium based soap is prepared by direct saponification of modified sunflower polymerizate by LiOH x H 2 O in the 1: 1 molar ratio is produced. Such a kit can be used for example in plain bearings.
Claims (9)
- Lubricant compound comprising(a) 50 to 90 percent by weight of a modified native oil on a triglyceride basis with an oleic acid content of at least 60%, chosen from the group consisting of sunflower oil, rape seed oil, castor oil, corn oil, safflower oil, soya bean oil, flaxseed oil,groundnut oil, lesquerella oil, palm oil, olive oil or mixures of the above oils, whereby the native oil is transformed with a peroxide and the unsaturated double bonds are linked by a radical addition reaction, and(b) 5 to 10 percent by weight of an additive or a mixture of additives,(c) 5 to 30 percent by weight of a thickening agent,whereby the kinematic viscosity of the modified native oil lies in the range of 100 to 1250 mm2/sec. at 40°C.
- Lubricant compound as in Claim 1 above, additionally containing (d) 5 to 10 percent by weight of solid lubricants.
- Lubricant compound as in either of the above claims, in which the 5 to 45 percent by weight of the native modified oil is replaced by a further base oil component or a number of base oil components.
- Lubricant compound as in any of the above claims, in which the thickening agent is chosen from the group consisting of urea, aluminium complex soaps, metal single soaps of elements from the 1 st and 2nd main groups of the periodic table, metal complex soaps of elements from the 1st and 2nd main groups of the periodic table, bentonite, sulphonate, silicate, polyimide or PTFE or a mixture of any of the above thickening agents..
- Lubricant compound as in either of the above claims 2 or 3, in which the solid lubricant is chosen from the group consisting of graphite, boron nitride, MoS2, WS2, SnS, SnS2 or Bi2S3 or a mixture of the aforesaid solid lubricants.
- Lubricant compound as in any of the preceding claims in which the additive or the mixture of additives is chosen from the group consisting of butylhydroxyltoluene, dialkyl diphenylamine, alkylate phenyl-alpha-naphthylamine, polymer trimethyldihydroquinoline, sulphurised fatty acid esters, diphenyl cresyl phosphate, amine neutralised phosphate, alkylate and non-alkylate triaryl phosphate, alkylate and non-alkylate triaryl thiophosphate, zink dialkyl dithiophosphate, carbamate, thiocarbamate, zinc dithiocarbamate, dimercapto-thiadiazol, succinic acid semi-ester, calcium sulphonate, benzotriazol derivates, K-pentaborate, Na-thiosulphate and Na-pyrophosphate.
- Lubricant compound as in any of the preceding claims 3 to 6, in which the base oil component is chosen from the group consisting of paraffin-based and naphtha-based mineral oils, synthetic hydrocarbons, poly-alpha-olefin, poly-internal olefin, ethylenepropylene copolymers, group III oils, synthetic esters, polyalkylene glycols or alkylaromatics and any mixtures thereof.
- Lubricant compound as in any of the preceding claims, in which the native oil is converted with an aromatic or aliphatic peroxide chosen out of the group consisting of 1,3-bis(tert-butylperoxyisopropyl)benzol, 1,4-bis(tert-butylperoxyisopropyl)-benzol, dicumylperoxide, tert.-butylcumylperoxid, 2,5-dimethyl-2,5-di-(tert-butylperoxy)hexane, n-butyl-4,4'-di(tert-butylperoxy)valerate, 1,1'-di(tert-butylperoxy)-3,3,5-trimethylcyclohexane or 2,5-dimethyl-2,5-di(tert.-butylperoxy)hexane or di-tert.-butylperoxide.
- Use of the lubricant compound as in any of the preceding claims as a gearbox oil, for the lubrication of conical gear wheels or spur gears, for greasing roller bearings in continuous casting machines and conveyor rollers in continuous furnaces or as lubricating grease for lubricating open chain wheels in rotary furnaces, pipe mills, drums and mixers in the cement, limestone, plaster, mining and chemcal industries.
Priority Applications (1)
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| SI200930342T SI2300581T1 (en) | 2008-06-13 | 2009-06-09 | Lubricant composition based on natural and renewable raw materials |
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| DE102009022593A DE102009022593A1 (en) | 2008-06-13 | 2009-05-26 | Lubricant composition based on natural and renewable raw materials |
| PCT/EP2009/004147 WO2009149902A1 (en) | 2008-06-13 | 2009-06-09 | Lubricant composition based on natural and renewable raw materials |
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| BRPI0913418B1 (en) | 2017-12-12 |
| CN102066536A (en) | 2011-05-18 |
| CA2727157C (en) | 2014-03-04 |
| AU2009256887A1 (en) | 2009-12-17 |
| PT2300581E (en) | 2012-10-03 |
| DK2300581T3 (en) | 2012-10-01 |
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