EP0241877A2 - Phosphazene enthaltende Schmierfettzusammensetzungen - Google Patents

Phosphazene enthaltende Schmierfettzusammensetzungen Download PDF

Info

Publication number: EP0241877A2
Authority: EP; European Patent Office
Prior art keywords: lubricating grease; alkali metal; substituted; moieties; soap
Prior art date: 1986-04-14
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP87105333A

Other languages

English (en)

French (fr)

Other versions

EP0241877A3 (de

Inventor

Roger Keith Nibert

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

BorgWarner Inc

Original Assignee

Borg Warner Automotive Inc

Priority date (The priority date 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 date listed.)

1986-04-14

Filing date

1987-04-10

Publication date

1987-10-21

1987-04-10 Application filed by Borg Warner Automotive Inc filed Critical Borg Warner Automotive Inc

1987-10-21 Publication of EP0241877A2 publication Critical patent/EP0241877A2/de

1989-10-18 Publication of EP0241877A3 publication Critical patent/EP0241877A3/de

Status Withdrawn legal-status Critical Current

Links

239000004519 grease Substances 0.000 title claims abstract description 67
230000001050 lubricating effect Effects 0.000 title claims abstract description 56
239000000203 mixture Substances 0.000 title claims abstract description 50
GKTNLYAAZKKMTQ-UHFFFAOYSA-N n-[bis(dimethylamino)phosphinimyl]-n-methylmethanamine Chemical compound CN(C)P(=N)(N(C)C)N(C)C GKTNLYAAZKKMTQ-UHFFFAOYSA-N 0.000 title claims abstract description 33
239000000344 soap Substances 0.000 claims abstract description 67
229910052783 alkali metal Inorganic materials 0.000 claims abstract description 32
150000001340 alkali metals Chemical class 0.000 claims abstract description 29
125000004122 cyclic group Chemical group 0.000 claims abstract description 21
239000012530 fluid Substances 0.000 claims abstract description 15
-1 alkali metal stearate Chemical class 0.000 claims description 26
125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 23
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 13
229910052744 lithium Inorganic materials 0.000 claims description 13
125000000217 alkyl group Chemical group 0.000 claims description 8
239000008139 complexing agent Substances 0.000 claims description 7
BDJRBEYXGGNYIS-UHFFFAOYSA-N azelaic acid group Chemical group C(CCCCCCCC(=O)O)(=O)O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 claims description 6
239000002480 mineral oil Substances 0.000 claims description 6
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
125000003545 alkoxy group Chemical group 0.000 claims description 5
239000011734 sodium Substances 0.000 claims description 5
125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 4
229910052708 sodium Inorganic materials 0.000 claims description 4
239000004135 Bone phosphate Substances 0.000 claims description 3
235000010446 mineral oil Nutrition 0.000 claims description 3
239000002253 acid Substances 0.000 claims description 2
125000004414 alkyl thio group Chemical group 0.000 claims description 2
125000003356 phenylsulfanyl group Chemical group [*]SC1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 2
RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical group [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 claims description 2
229940114069 12-hydroxystearate Drugs 0.000 claims 1
239000000314 lubricant Substances 0.000 description 20
239000002562 thickening agent Substances 0.000 description 18
239000000654 additive Substances 0.000 description 13
229910052751 metal Inorganic materials 0.000 description 7
239000002184 metal Substances 0.000 description 7
238000012360 testing method Methods 0.000 description 7
239000002199 base oil Substances 0.000 description 6
125000004432 carbon atom Chemical group C* 0.000 description 6
239000003921 oil Substances 0.000 description 6
235000019198 oils Nutrition 0.000 description 6
125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
229910021645 metal ion Inorganic materials 0.000 description 5
238000000034 method Methods 0.000 description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
239000000460 chlorine Substances 0.000 description 4
229910052801 chlorine Inorganic materials 0.000 description 4
238000005260 corrosion Methods 0.000 description 4
230000007797 corrosion Effects 0.000 description 4
IXQGCWUGDFDQMF-UHFFFAOYSA-N o-Hydroxyethylbenzene Natural products CCC1=CC=CC=C1O IXQGCWUGDFDQMF-UHFFFAOYSA-N 0.000 description 4
125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
150000003839 salts Chemical class 0.000 description 4
125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
239000000126 substance Substances 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Chemical group CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 3
230000000996 additive effect Effects 0.000 description 3
150000004996 alkyl benzenes Chemical class 0.000 description 3
235000014113 dietary fatty acids Nutrition 0.000 description 3
239000000194 fatty acid Substances 0.000 description 3
229930195729 fatty acid Natural products 0.000 description 3
150000004665 fatty acids Chemical class 0.000 description 3
239000000944 linseed oil Substances 0.000 description 3
235000021388 linseed oil Nutrition 0.000 description 3
FPLIHVCWSXLMPX-UHFFFAOYSA-M lithium 12-hydroxystearate Chemical compound [Li+].CCCCCCC(O)CCCCCCCCCCC([O-])=O FPLIHVCWSXLMPX-UHFFFAOYSA-M 0.000 description 3
238000002156 mixing Methods 0.000 description 3
125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
150000007524 organic acids Chemical class 0.000 description 3
125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
230000008569 process Effects 0.000 description 3
DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
229920002396 Polyurea Polymers 0.000 description 2
XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
229910052782 aluminium Inorganic materials 0.000 description 2
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
239000003963 antioxidant agent Substances 0.000 description 2
125000003118 aryl group Chemical group 0.000 description 2
229940067597 azelate Drugs 0.000 description 2
239000011575 calcium Substances 0.000 description 2
CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 2
239000008116 calcium stearate Substances 0.000 description 2
235000013539 calcium stearate Nutrition 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
235000012343 cottonseed oil Nutrition 0.000 description 2
239000002385 cottonseed oil Substances 0.000 description 2
150000005690 diesters Chemical class 0.000 description 2
239000003349 gelling agent Substances 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
239000003112 inhibitor Substances 0.000 description 2
239000000543 intermediate Substances 0.000 description 2
125000005644 linolenyl group Chemical group 0.000 description 2
239000000463 material Substances 0.000 description 2
230000007246 mechanism Effects 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
235000005985 organic acids Nutrition 0.000 description 2
150000002894 organic compounds Chemical class 0.000 description 2
150000003014 phosphoric acid esters Chemical class 0.000 description 2
239000004014 plasticizer Substances 0.000 description 2
239000010695 polyglycol Substances 0.000 description 2
229920000151 polyglycol Polymers 0.000 description 2
CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
229920002545 silicone oil Polymers 0.000 description 2
125000001424 substituent group Chemical group 0.000 description 2
235000011044 succinic acid Nutrition 0.000 description 2
229920002994 synthetic fiber Polymers 0.000 description 2
239000003760 tallow Substances 0.000 description 2
230000008719 thickening Effects 0.000 description 2
LWBHHRRTOZQPDM-UHFFFAOYSA-N undecanedioic acid Chemical compound OC(=O)CCCCCCCCCC(O)=O LWBHHRRTOZQPDM-UHFFFAOYSA-N 0.000 description 2
VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 1
NISAHDHKGPWBEM-UHFFFAOYSA-N 2-(4-nonylphenoxy)acetic acid Chemical class CCCCCCCCCC1=CC=C(OCC(O)=O)C=C1 NISAHDHKGPWBEM-UHFFFAOYSA-N 0.000 description 1
125000001340 2-chloroethyl group Chemical group [H]C([H])(Cl)C([H])([H])* 0.000 description 1
JMHSCWJIDIKGNZ-UHFFFAOYSA-N 4-carbamoylbenzoic acid Chemical compound NC(=O)C1=CC=C(C(O)=O)C=C1 JMHSCWJIDIKGNZ-UHFFFAOYSA-N 0.000 description 1
OYHQOLUKZRVURQ-HZJYTTRNSA-M 9-cis,12-cis-Octadecadienoate Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC([O-])=O OYHQOLUKZRVURQ-HZJYTTRNSA-M 0.000 description 1
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
PVNIQBQSYATKKL-UHFFFAOYSA-N Glycerol trihexadecanoate Natural products CCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCC PVNIQBQSYATKKL-UHFFFAOYSA-N 0.000 description 1
DCXXMTOCNZCJGO-UHFFFAOYSA-N Glycerol trioctadecanoate Natural products CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 1
HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
241001465754 Metazoa Species 0.000 description 1
LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical class CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
235000021355 Stearic acid Nutrition 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
239000004809 Teflon Substances 0.000 description 1
229920006362 Teflon® Polymers 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
235000011054 acetic acid Nutrition 0.000 description 1
150000001242 acetic acid derivatives Chemical class 0.000 description 1
125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
230000001154 acute effect Effects 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
150000001412 amines Chemical class 0.000 description 1
239000010775 animal oil Substances 0.000 description 1
DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
229910001422 barium ion Inorganic materials 0.000 description 1
239000002585 base Substances 0.000 description 1
239000000440 bentonite Substances 0.000 description 1
229910000278 bentonite Inorganic materials 0.000 description 1
SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
ZDWGXBPVPXVXMQ-UHFFFAOYSA-N bis(2-ethylhexyl) nonanedioate Chemical compound CCCCC(CC)COC(=O)CCCCCCCC(=O)OCC(CC)CCCC ZDWGXBPVPXVXMQ-UHFFFAOYSA-N 0.000 description 1
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
229910052793 cadmium Inorganic materials 0.000 description 1
BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
229910001424 calcium ion Inorganic materials 0.000 description 1
RXPKHKBYUIHIGL-UHFFFAOYSA-L calcium;12-hydroxyoctadecanoate Chemical compound [Ca+2].CCCCCCC(O)CCCCCCCCCCC([O-])=O.CCCCCCC(O)CCCCCCCCCCC([O-])=O RXPKHKBYUIHIGL-UHFFFAOYSA-L 0.000 description 1
VMHDCBGLCDWDMQ-UHFFFAOYSA-L calcium;octadecanoate;acetate Chemical compound [Ca+2].CC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O VMHDCBGLCDWDMQ-UHFFFAOYSA-L 0.000 description 1
235000013877 carbamide Nutrition 0.000 description 1
239000006229 carbon black Substances 0.000 description 1
239000004359 castor oil Substances 0.000 description 1
235000019438 castor oil Nutrition 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
125000001309 chloro group Chemical group Cl* 0.000 description 1
239000004927 clay Substances 0.000 description 1
238000005345 coagulation Methods 0.000 description 1
230000015271 coagulation Effects 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
238000002288 cocrystallisation Methods 0.000 description 1
239000013078 crystal Substances 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
PSHMSSXLYVAENJ-UHFFFAOYSA-N dilithium;[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyborinate Chemical compound [Li+].[Li+].O=BOB([O-])OB([O-])OB=O PSHMSSXLYVAENJ-UHFFFAOYSA-N 0.000 description 1
KCEQQLDYFGMIGU-UHFFFAOYSA-L dilithium;nonanedioate Chemical compound [Li+].[Li+].[O-]C(=O)CCCCCCCC([O-])=O KCEQQLDYFGMIGU-UHFFFAOYSA-L 0.000 description 1
VJHINFRRDQUWOJ-UHFFFAOYSA-N dioctyl sebacate Chemical compound CCCCC(CC)COC(=O)CCCCCCCCC(=O)OCC(CC)CCCC VJHINFRRDQUWOJ-UHFFFAOYSA-N 0.000 description 1
POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
239000010685 fatty oil Substances 0.000 description 1
239000000835 fiber Substances 0.000 description 1
229940013317 fish oils Drugs 0.000 description 1
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 description 1
IPCSVZSSVZVIGE-UHFFFAOYSA-M hexadecanoate Chemical compound CCCCCCCCCCCCCCCC([O-])=O IPCSVZSSVZVIGE-UHFFFAOYSA-M 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
238000002955 isolation Methods 0.000 description 1
229940070765 laurate Drugs 0.000 description 1
229910000464 lead oxide Inorganic materials 0.000 description 1
125000002463 lignoceryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
239000004571 lime Substances 0.000 description 1
229940049918 linoleate Drugs 0.000 description 1
DTOSIQBPPRVQHS-PDBXOOCHSA-M linolenate Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC([O-])=O DTOSIQBPPRVQHS-PDBXOOCHSA-M 0.000 description 1
229940040452 linolenate Drugs 0.000 description 1
125000005645 linoleyl group Chemical group 0.000 description 1
229910001416 lithium ion Inorganic materials 0.000 description 1
HZRMTWQRDMYLNW-UHFFFAOYSA-N lithium metaborate Chemical compound [Li+].[O-]B=O HZRMTWQRDMYLNW-UHFFFAOYSA-N 0.000 description 1
239000010687 lubricating oil Substances 0.000 description 1
125000004401 m-toluyl group Chemical group [H]C1=C([H])C(=C([H])C(=C1[H])C([H])([H])[H])C(*)=O 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
229910052753 mercury Inorganic materials 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
229940105132 myristate Drugs 0.000 description 1
125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
125000005441 o-toluyl group Chemical group [H]C1=C([H])C(C(*)=O)=C(C([H])=C1[H])C([H])([H])[H] 0.000 description 1
OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
239000003129 oil well Substances 0.000 description 1
229940049964 oleate Drugs 0.000 description 1
ZQPPMHVWECSIRJ-KTKRTIGZSA-M oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC([O-])=O ZQPPMHVWECSIRJ-KTKRTIGZSA-M 0.000 description 1
230000010355 oscillation Effects 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
125000005440 p-toluyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C(*)=O)C([H])([H])[H] 0.000 description 1
239000010690 paraffinic oil Substances 0.000 description 1
230000035515 penetration Effects 0.000 description 1
239000003444 phase transfer catalyst Substances 0.000 description 1
150000002989 phenols Chemical class 0.000 description 1
229950000688 phenothiazine Drugs 0.000 description 1
125000004437 phosphorous atom Chemical group 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 1
229920013639 polyalphaolefin Polymers 0.000 description 1
229920000728 polyester Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920005862 polyol Polymers 0.000 description 1
230000002028 premature Effects 0.000 description 1
125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
238000000926 separation method Methods 0.000 description 1
229910001415 sodium ion Inorganic materials 0.000 description 1
RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
238000004901 spalling Methods 0.000 description 1
230000003068 static effect Effects 0.000 description 1
229940114926 stearate Drugs 0.000 description 1
239000008117 stearic acid Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
TUNFSRHWOTWDNC-UHFFFAOYSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
125000003652 trifluoroethoxy group Chemical group FC(CO*)(F)F 0.000 description 1
PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 1
150000003672 ureas Chemical class 0.000 description 1
125000003774 valeryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
235000015112 vegetable and seed oil Nutrition 0.000 description 1
239000008158 vegetable oil Substances 0.000 description 1
235000013311 vegetables Nutrition 0.000 description 1
239000003981 vehicle Substances 0.000 description 1
239000011787 zinc oxide Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/16—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having a phosphorus-to-nitrogen bond
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- C10M113/00—Lubricating compositions characterised by the thickening agent being an inorganic material
- C10M113/08—Metal compounds
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M117/00—Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
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- 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
- C10M169/06—Mixtures of thickeners and additives
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/0606—Metal compounds used as thickening agents
- C—CHEMISTRY; METALLURGY
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- 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
- C10M2201/0616—Carbides; Hydrides; Nitrides used as thickening agents
- 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
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
- C10M2201/0626—Oxides; Hydroxides; Carbonates or bicarbonates used as thickening agents
- C—CHEMISTRY; METALLURGY
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- 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
- C10M2201/0656—Sulfides; Selenides; Tellurides used as thickening agents
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
- C10M2201/066—Molybdenum sulfide
- C10M2201/0666—Molybdenum sulfide used as thickening agents
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/08—Inorganic acids or salts thereof
- C10M2201/0806—Inorganic acids or salts thereof used as thickening agent
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/085—Phosphorus oxides, acids or salts
- C10M2201/0856—Phosphorus oxides, acids or salts used as thickening agent
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/086—Chromium oxides, acids or salts
- C10M2201/0866—Chromium oxides, acids or salts used as thickening agent
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
- C—CHEMISTRY; METALLURGY
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
- C10M2201/0876—Boron oxides, acids or salts used as thickening agent
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/1013—Compounds containing silicon used as thickening agents
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/102—Silicates
- C10M2201/1026—Silicates used as thickening agents
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/106—Carboxylix acids; Neutral salts thereof used as thickening agents
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/1206—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms used as thickening agents
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/129—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more carbon atoms
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/1406—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings used as thickening agents
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/26—Overbased carboxylic acid salts
- C10M2207/2613—Overbased carboxylic acid salts used as thickening agents
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/26—Overbased carboxylic acid salts
- C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
- C10M2207/2626—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates used as thickening agents
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- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
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- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/049—Phosphite
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- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/02—Groups 1 or 11

Definitions

the present invention relates to lubricating grease compositions, and to alkali metal soap lubricating grease compositions in particular.
Lubricating greases have been defined by the American Society for Testing and Materials (ASTM) to be solid to semi-fluid lubricants which include a thickening agent dispersed in a liquid lubricant. Although this definition is of relatively recent origin, samples of fat and lime taken from the axle of Pharaoh Tutankamen's chariot from about 1400 BC indicate that lubricating greases have been known since antiquity.
ASTM American Society for Testing and Materials
the thickening agents used in greases may be those, such as soaps, which have been known for many years, or may be more recently developed materials, such as polyureas. These thickening agents are generally classified as soap or non-soap thickening agents, and the greases resulting from their combination with a lubricating fluid are usually classified accordingly.
Soap thickening agents generally are metal salts of relatively large organic acids such as myristate, linoleate, linolenate, laurate, stearate, oleate, palmitate, benzoate, and azelate, although some salts of relatively small organic acids, such as acetates or propionates, may be included. Mixtures of different acids may also be used.
many soaps are derived from tallow, which contains a mixture of aliphatic molecules such as stearin, palmitin and olein. The number of carbon atoms in the organic portion of the soap and the degree of its saturation affect the thickening properties of the soap, with soaps which include organic moieties having 12 to about 18 carbon atoms usually having thickening properties appropriate for most grease applications.
Soap thickeners may also be complex soaps.
Complex soaps may be defined as soaps wherein the soap crystal or fiber is formed by the co-crystallization of two compounds, the normal soap and a complexing agent, such as wherein a single metal ion is complexed with two or more dissimilar organic moieties.
a long chain moiety such as stearic acid
a relatively short chain moiety such as acetic acid
acetic acid may be complexed with the same metal ion, such as in calcium stearate acetate.
a di- or tri- basic moiety such as azelaic acid
a soap such as lithium 12-hydroxy stearate
more than one metal ion such as in dilithium azelate.
Mixtures of different soaps may also be used in the same lubricating grease composition.
a variety of different metal ions may be used in making soap thickening agents, such as aluminum, cadmium, cobalt, stontium, nickel, mercury, molybdenum, lead, barium, calcium, sodium and lithium ions.
the properties of these metal ions also affect the properties of the thickening agent and the lubricating greases in which they are used, with these properties in turn determining the applications for which a particular grease is appropriate.
sodium greases may be used under conditions of high temperature and isolation from water, such as in gear cases.
Lithium greases are useful over a wide range of temperatures, are water resistant, and are frequently used as general purpose automotive greases, such as to lubricate ball joints, universal joints and wheel bearings.
Aluminum complex soap greases may be used in situations, such as oven door hinges, roller bearings and hoists in steel mills, where resistance to oxidation and to oil separation at high temperatures and pressures is important.
Non-soap thickening agents are generally of two types. These types are (1) inorganic gelling agents, and (2) organic thickeners. Inorganic gelling agents are usually substances such as carbon black and modified, oleophilic clays such as Bentonite, with clay type greases usually being non-melting and having good heat resistance. organic thickeners are organic compounds, such as ureas or polyureas, Teflon, polyethylene and terephthalamic acid, and may result in a grease having a high melting point and an extended grease life at elevated temperatures.
inorganic gelling agents are usually substances such as carbon black and modified, oleophilic clays such as Bentonite, with clay type greases usually being non-melting and having good heat resistance.
organic thickeners are organic compounds, such as ureas or polyureas, Teflon, polyethylene and terephthalamic acid, and may result in a grease having a high melting point and an extended grease life at elevated temperatures.
Lubricating grease compositions typically contain one or more additives to retard part corrosion and lubricant degradation in order to prolong the mechanism's useful life.
Typical grease additives include antioxidants, extreme pressure agents, antiwear agents, and corrosion inhibitors.
examples of such additives include zinc oxide, 2,6-di-t-butyl phenol, alkyl succinic acids, dinonyl naphthane sulfonates, tricresyl phosphate, and molybdenum disulfide.
U.S. Patent No. 3,234,304 and No. 3,316,330 to Nichols disclose cyclic phosphazenes having phenoxy and fluoroalkyl phenoxy substituents as being useful as working fluids, lubricants, chemical intermediates and plasticizers.
U.S. Patent No. 3,136,727, also to Nichols discloses a penta- phenoxy-mono (phenoxy phenoxy) substituted cyclic phosphazene. This phosphazene is also alleged to be useful as a working fluid, lubricant, chemical intermediate and plasticizer.
U.S. Patent No. 2,109,491; No. 2,192,921; and No. 2,214,769 to Lipkin also disclose various substituted pnospnazenes as additives to lubricant compositions. These phosphazenes may be substituted by a variety of organic compounds, such as alcohols, phenols, mercaptans and amines. Lipkin discloses these phosphazenes may be added to lubricants such as mineral oils containing fatty oils, fatty acids, metallic soaps, sulfur or combined chlorine.
the present invention is a lubricating grease composition which comprises a lubricating fluid, an alkali metal soap, and a cyclic phosphazene.
Alkali metal soaps of sodium and lithium are preferred, with lithium and lithium complex soaps being most preferred.
the cyclic phosphazene be one described by the general formula: wherein R is selected from a group consisting of substituted and unsubstituted phenoxy moieties, substituted and unsubstituted alkoxy moieites, the corresponding thio moieties, amino moieties and mixtures thereof, and n is an integer equal to 3 to about 4.
Phosphazenes wherein R is selected from the group consisting of phenoxy, alkyl substituted phenoxy, aryl substituted phenoxy, and C 11 -C 30 alkyl moieties and mixtures thereof are particularly preferred.
the present invention is a lubricating grease composition which comprises a lubricating fluid, an alkali metal soap, and a cyclic phosphazene.
the lubricating fluid may be a vegetable, animal, synthetic or mineral oil, or a mixture thereof, such as linseed oil, cottonseed oil, silicone oil, alkyl benzenes, phosphate esters, fluorinated oils, polyglycols and diesters.
mineral oils such as naphthenic, paraffinic, aromatic, and naphthenic/paraffinic mixed base oils, and synthetic materials such as di-isooctyl azelate, di-2-ethylhexyl sebacate, di-2-ethylhexyl azelate, dibasic polyesters, neopentyl polyol esters, polyalphaolefins and alkyl benzenes are preferred.
Mineral oils, and especially naphthenic, paraffinic and naphthenic/paraffinic mixed base oils are particularly preferred.
cyclic phosphazene used in the composition of the present invention may be described by the general formula:
n may be equal to 3 to about 4, so that the phosphazene is a cyclic trimeric, tetrameric or pentameric phosphazene. Trimeric and tetrameric phosphazenes are preferred, with trimeric phospha-zenes being most preferred. Mixtures of different phosphazenes may also be used. For example, many commercially available phosphazene compositions contain a mixture of trimeric and tetrameric phosphazenes.
R is selected from the group consisting of substituted and unsubstituted alkyl moieties such as ethyl, methyl, propyl, butyl, oleyl, dodecyl, nonyl, and 2-chloroethyl, substituted and unsubstituted alkoxy moieties such as methoxy, propoxy, ethoxy, and tri-fluoro ethoxy, substituted and unsubstituted phenoxy moieites such as phenoxy, m-methylphenoxy, p-t-butylphenoxy, m,p-dimethoxyphenoxy, m-methoxyphenoxy, 2,4,6-trichlorophenoxy, m-ethoxyphenoxy, m,p-di(trifluoromethyl)phenoxy, m-chlorophenoxy, 2,4,6-trimethylphenoxy, (methylphenyl)phenoxy, phenylcarbinoxy, naphthoxy, thio
R may be selected from the mercaptan equivalents of phenoxy and alkoxy moieties.
the alkyl moieties are those having about 6 to about 30 carbon atoms, such as nonyl and dodecyl
the alkylphenoxy and alkylphenylthio moieties are those having about 7 to about 30 carbon atoms such as p-dodecylphenoxy.
R may also be selected from mixtures of alkyl, phenoxy, alkoxy, phenylthio, alkylthio and amino moieties, so that the phosphazene may be substituted by two, three, four or more different moieties.
R be selected from the group consistently of phenoxy, alkyl-substituted phenoxy, aryl-substituted phenoxy and C 11 -C 30 alkyl moieties and mixtures thereof, such as nonyl, dodecyl, phenoxy, p-methylphenoxy, m-methylphenoxy, p-ethylphenoxy, m,p-dimethyl- phenoxy, phenylphenoxy, and phenoxyphenoxy. Phenoxy, alkyl-substituted phenoxy moieties and mixtures thereof are most preferred.
Each phosphorus atom in the phosphazene preferably is substituted by two organic substituents, so that the cyclic phosphazene is completely substituted with one or more organic moieties.
the lubricating grease may contain small amounts of phosphazene which are incompletely substituted.
organic substituted phosphazenes are usually made from phosphazenes which are substituted by chlorine, chlorine is usually present in those phosphazenes wherein organic substitution has been incomplete.
these incompletely substituted phosphazenes preferably are present, if at all, in relatively small amounts such as less than 10% by weight and more preferably less than 5% by weight of the total phosphazene content of the lubricating grease.
Cyclic phosphazenes suitable for use in the lubricating grease of the present invention are available commercially or may be prepared by processes known in the art. Examples of such processes may be found in those references cited above. In the alternative, suitable phosphazenes may be prepared by the phase transfer process described in U.S. Patent No. 4,600,791, issued July 15, 1986.
the amount of cyclic phosphazene present in the lubricating grease composition of the present invention will depend, among other possible factors, on the amount of antiwear enhancement desired. In most compositions the cyclic phosphazene will be present in an amount equal to about 0.1% to about 20% by weight of the lubricant composition. More preferably, however, the cyclic phosphazene will be present in an amount equal to about 1% to about 10% by weight. Amounts of about 2% to about 6% by weight are usually most preferred.
the lubricant composition of the present invention also includes an alkali metal soap thickener.
the organic portion of the alkali metal soap usually includes a relatively large organic acid group, such as lignoceryl, valeryl, lauryl, myristyl, palmityl, stearyl, oleyl, linoleyl, azelyl, linolenyl, benzoyl, o-, m- or p-toluyl and palmitoleyl.
the grease usually includes a soap with one or more fatty moieties having at least 10 carbon atoms, as such soaps usually have reduced solubility in water in comparison to soaps of shorter chain moieties.
Fatty moieties having about 12 to about 20 carbon atoms such as lauryl, palmityl, stearyl, oleyl or linolenyl are most preferred. Stearyl and 12-hydroxy stearyl are most preferred. Mixtures of different organic moieties may also be used. For example, when the soap is derived from tallow the organic moieties may include stearyl, palmityl and oleyl. Relatively small organic moieties, such as acetyl and propionyl, may also be included.
the soap include an alkali metal.
Sodium and lithium are preferred, with lithium being most preferred.
other soaps or non-soap thickeners may be included, such as calcium stearate included with sodium stearate.
non-alkali metal soaps and non-soap thickeners when present, constitute less than 50% by weight of the total thickener content of the grease, and more preferably less than 25% by weight of the total thickener content.
the alkali metal soap be a complex soap, wherein the soap component includes a complexing agent in addition to the groups described above.
this complexing agent usually is a di or tri-basic moiety, such as one or more of azelaic acid (1,2-heptanedicarboxylic acid), sebacic acid, 1,5-pentanedi- carboxylic acid, 1,9-nonanedicarboxylic acid, and lithium borates such as lithium metaborate and lithium tetraborate.
Complex lithium 12-hydroxy stearate soap greases such as Unirex N-2 grease, available from the Exxon company, are most preferred.
the amount of alkali metal soap present in the grease composition will depend on a variety of factors, such as the identity of the lubricating fluid, whether the grease should be more or less viscous for the intended application, and whether other thickeners such as calcium stearate or non-soap thickeners are present. For most greases, however, it is preferred that the alkali metal soap be present in an amount equal to about 2% to about 30% by weight of the lubricating grease composition. Amounts of alkali metal soap of about 5 to about 20% by weight are usually more preferred.
the lubricating grease composition may contain other components to enhance desirable grease properties.
additives include antioxidants and corrosion inhibitors, such as phenothiazine, p-nonylphenoxy acetic acids, 2,6-di-t-butyl phenol, phenyl- alpha-naphthyl amine, dinonyl naphthane sulfonates, and alkyl succinic acids, as well as other additives known in the art.
the components of the lubricating grease composition of the present invention may be combined and compounded into a grease by means known in the art, such as by mixing the alkali metal soap with the lubricating fluid and heating the mixture moderately to dissolve the soap in the lubricating fluid.
the phosphazene may then be incorporated by simple mixing techniques.
Greases were prepared by placing a fatty acid, a metal salt and base oil in a container and heating the mixture to 100-170°C with stirring to dissolve the fatty acid and metal salt in the oil. After a period of time - usually about 2 hours - the mixture was cooled to about 100°C and additional base oil blended in to yield a grease. Additional components, when desired, were then added by simple mixing techniques.
Lubricating grease compositions which include an alkali metal soap were tested as discussed above. Some of these greases also contained a trimeric phosphazene completely substituted by phenoxy and ethylphenoxy moieties. This phosphazene was made by esterifying trimeric dichloro-phosphazene with phenol and ethylphenol in a medium comprising a mixture of water, a base, a water immiscible solvent and a phase-transfer catalyst, with the ratio of phenol to ethylphenol in the medium being approximate 1:1. This type of reaction process is explained in U. S. Patent No. 4,600,791, issued July 15, 1986.
Example l(a) For Example l(a), more than one sample was tested.
the amount of alkali metal soap, the amount of phosphazene, as well as the results of testing of these compositions are indicated below in Table I.
Lubricating greases thickened by non-alkali metal soaps were tested as discussed above.
Phosphazene - containing greases included the same phosphazene as Examples 1-4.
Calcium complex greases were those thickened by calcium 12-hydroxy stearate/acetate complex soaps. The results of this testing are indicated below in Table II.

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Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Lubricants (AREA)

EP87105333A 1986-04-14 1987-04-10 Phosphazene enthaltende Schmierfettzusammensetzungen Withdrawn EP0241877A3 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US85163586A	1986-04-14	1986-04-14
US851635		1986-04-14

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EP0241877A2 true EP0241877A2 (de)	1987-10-21
EP0241877A3 EP0241877A3 (de)	1989-10-18

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EP87105333A Withdrawn EP0241877A3 (de)	1986-04-14	1987-04-10	Phosphazene enthaltende Schmierfettzusammensetzungen

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EP (1)	EP0241877A3 (de)
JP (1)	JPS62250098A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5015405A (en) *	1989-10-05	1991-05-14	The Dow Chemical Company	(Fluorinated phenoxy)(3-perfluoroalkylphenoxy)-cyclic phosphazenes
US5099055A (en) *	1989-10-05	1992-03-24	The Dow Chemical Company	(Fluorinated phenoxy)(3-perfluoro-alkylphenoxy)-cyclic phosphazenes

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* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2666442B2 (ja) *	1988-12-15	1997-10-22	日本油脂株式会社	軌道締結装置用止水剤
JP5849373B2 (ja) *	2011-11-11	2016-01-27	協同油脂株式会社	難燃性グリース組成物

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Publication number	Priority date	Publication date	Assignee	Title
US2109491A (en) *	1935-04-06	1938-03-01	Atlantic Refining Co	Lubricant
NL285052A (de) *	1961-11-03

1987
- 1987-04-10 EP EP87105333A patent/EP0241877A3/de not_active Withdrawn
- 1987-04-14 JP JP62091815A patent/JPS62250098A/ja active Pending

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5015405A (en) *	1989-10-05	1991-05-14	The Dow Chemical Company	(Fluorinated phenoxy)(3-perfluoroalkylphenoxy)-cyclic phosphazenes
US5099055A (en) *	1989-10-05	1992-03-24	The Dow Chemical Company	(Fluorinated phenoxy)(3-perfluoro-alkylphenoxy)-cyclic phosphazenes

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EP0241877A3 (de)	1989-10-18
JPS62250098A (ja)	1987-10-30

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1987-10-21	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE GB SE
1989-08-31	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
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1990-10-16	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1990-12-05	18D	Application deemed to be withdrawn	Effective date: 19900419
2007-08-08	RIN1	Information on inventor provided before grant (corrected)	Inventor name: NIBERT, ROGER KEITH

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WO2008040381A1 (en)	2008-04-10	Grease composition for use in constant velocity joints comprising at least one tri-nuclear molybdenum compound
EP0248641B1 (de)	1990-09-19	Silikonfett
KR100318399B1 (ko)	2001-12-22	소성 가공유 조성물
US4778613A (en)	1988-10-18	Spirodiphosphate-containing working substances

EP0241877A2 - Phosphazene enthaltende Schmierfettzusammensetzungen - Google Patents

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