CN103562363A - 轴承用润滑脂 - Google Patents
轴承用润滑脂 Download PDFInfo
- Publication number
- CN103562363A CN103562363A CN201280025881.1A CN201280025881A CN103562363A CN 103562363 A CN103562363 A CN 103562363A CN 201280025881 A CN201280025881 A CN 201280025881A CN 103562363 A CN103562363 A CN 103562363A
- Authority
- CN
- China
- Prior art keywords
- lubricating grease
- bearing
- base oil
- ester
- acid
- 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.)
- Pending
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- 239000004519 grease Substances 0.000 title claims abstract description 104
- 239000002199 base oil Substances 0.000 claims abstract description 56
- 150000002148 esters Chemical class 0.000 claims abstract description 36
- 229920013639 polyalphaolefin Polymers 0.000 claims abstract description 20
- 230000001050 lubricating effect Effects 0.000 claims description 96
- 125000004432 carbon atom Chemical group C* 0.000 claims description 39
- 125000000217 alkyl group Chemical group 0.000 claims description 25
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 24
- 229910052731 fluorine Inorganic materials 0.000 claims description 24
- 239000011737 fluorine Substances 0.000 claims description 24
- 239000002826 coolant Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 15
- 230000008719 thickening Effects 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 7
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical group CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 claims description 7
- 239000004202 carbamide Substances 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 abstract description 7
- 239000003507 refrigerant Substances 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 4
- 150000002222 fluorine compounds Chemical class 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
- -1 polyol ester Chemical class 0.000 description 66
- 239000003795 chemical substances by application Substances 0.000 description 34
- 238000005057 refrigeration Methods 0.000 description 29
- 239000002253 acid Substances 0.000 description 21
- 238000011156 evaluation Methods 0.000 description 15
- 125000001153 fluoro group Chemical group F* 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- 229920005862 polyol Polymers 0.000 description 12
- 150000001412 amines Chemical class 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 10
- 238000009835 boiling Methods 0.000 description 9
- 238000013329 compounding Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 150000003672 ureas Chemical class 0.000 description 8
- 125000001931 aliphatic group Chemical group 0.000 description 7
- 238000010790 dilution Methods 0.000 description 7
- 239000012895 dilution Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 150000002632 lipids Chemical class 0.000 description 6
- 150000001336 alkenes Chemical class 0.000 description 5
- 239000003963 antioxidant agent Substances 0.000 description 5
- 230000003078 antioxidant effect Effects 0.000 description 5
- 235000013877 carbamide Nutrition 0.000 description 5
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 5
- 230000008016 vaporization Effects 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 4
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 description 4
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 4
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 3
- 150000001721 carbon Chemical group 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical class C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 2
- PFCHFHIRKBAQGU-UHFFFAOYSA-N 3-hexanone Chemical compound CCCC(=O)CC PFCHFHIRKBAQGU-UHFFFAOYSA-N 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical class C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 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 description 2
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 230000029936 alkylation Effects 0.000 description 2
- 238000005804 alkylation reaction Methods 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
- 239000012964 benzotriazole Substances 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 125000006487 butyl benzyl group Chemical group 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- 150000005690 diesters Chemical class 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- DGXRZJSPDXZJFG-UHFFFAOYSA-N docosanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCCCCCCCCCC(O)=O DGXRZJSPDXZJFG-UHFFFAOYSA-N 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- KEMQGTRYUADPNZ-UHFFFAOYSA-N heptadecanoic acid Chemical compound CCCCCCCCCCCCCCCCC(O)=O KEMQGTRYUADPNZ-UHFFFAOYSA-N 0.000 description 2
- PGFXOWRDDHCDTE-UHFFFAOYSA-N hexafluoropropylene oxide Chemical compound FC(F)(F)C1(F)OC1(F)F PGFXOWRDDHCDTE-UHFFFAOYSA-N 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 150000002443 hydroxylamines Chemical class 0.000 description 2
- VKOBVWXKNCXXDE-UHFFFAOYSA-N icosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCC(O)=O VKOBVWXKNCXXDE-UHFFFAOYSA-N 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 description 2
- 239000012968 metallocene catalyst Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000007518 monoprotic acids Chemical class 0.000 description 2
- ZWRUINPWMLAQRD-UHFFFAOYSA-N nonan-1-ol Chemical compound CCCCCCCCCO ZWRUINPWMLAQRD-UHFFFAOYSA-N 0.000 description 2
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 2
- 229940059574 pentaerithrityl Drugs 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- SZHOJFHSIKHZHA-UHFFFAOYSA-N tridecanoic acid Chemical compound CCCCCCCCCCCCC(O)=O SZHOJFHSIKHZHA-UHFFFAOYSA-N 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 2
- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 description 2
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 2
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 2
- ZDPHROOEEOARMN-UHFFFAOYSA-N undecanoic acid Chemical compound CCCCCCCCCCC(O)=O ZDPHROOEEOARMN-UHFFFAOYSA-N 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- QBVHMPFSDVNFAY-UHFFFAOYSA-N 1,1,1-trifluorobutan-2-one Chemical compound CCC(=O)C(F)(F)F QBVHMPFSDVNFAY-UHFFFAOYSA-N 0.000 description 1
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 description 1
- RMSGQZDGSZOJMU-UHFFFAOYSA-N 1-butyl-2-phenylbenzene Chemical group CCCCC1=CC=CC=C1C1=CC=CC=C1 RMSGQZDGSZOJMU-UHFFFAOYSA-N 0.000 description 1
- NVJUHMXYKCUMQA-UHFFFAOYSA-N 1-ethoxypropane Chemical class CCCOCC NVJUHMXYKCUMQA-UHFFFAOYSA-N 0.000 description 1
- CXBDYQVECUFKRK-UHFFFAOYSA-N 1-methoxybutane Chemical class CCCCOC CXBDYQVECUFKRK-UHFFFAOYSA-N 0.000 description 1
- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 description 1
- PTJWCLYPVFJWMP-UHFFFAOYSA-N 2-[[3-hydroxy-2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)COCC(CO)(CO)CO PTJWCLYPVFJWMP-UHFFFAOYSA-N 0.000 description 1
- HCUZVMHXDRSBKX-UHFFFAOYSA-N 2-decylpropanedioic acid Chemical compound CCCCCCCCCCC(C(O)=O)C(O)=O HCUZVMHXDRSBKX-UHFFFAOYSA-N 0.000 description 1
- GCVQVCAAUXFNGJ-UHFFFAOYSA-N 2-hexadecylbutanedioic acid Chemical compound CCCCCCCCCCCCCCCCC(C(O)=O)CC(O)=O GCVQVCAAUXFNGJ-UHFFFAOYSA-N 0.000 description 1
- MVDKKZZVTWHVMC-UHFFFAOYSA-N 2-hexadecylpropanedioic acid Chemical compound CCCCCCCCCCCCCCCCC(C(O)=O)C(O)=O MVDKKZZVTWHVMC-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- ODJQKYXPKWQWNK-UHFFFAOYSA-L 3-(2-carboxylatoethylsulfanyl)propanoate Chemical class [O-]C(=O)CCSCCC([O-])=O ODJQKYXPKWQWNK-UHFFFAOYSA-L 0.000 description 1
- XKTYXVDYIKIYJP-UHFFFAOYSA-N 3h-dioxole Chemical compound C1OOC=C1 XKTYXVDYIKIYJP-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- 235000021357 Behenic acid Nutrition 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- 235000021353 Lignoceric acid Nutrition 0.000 description 1
- CQXMAMUUWHYSIY-UHFFFAOYSA-N Lignoceric acid Natural products CCCCCCCCCCCCCCCCCCCCCCCC(=O)OCCC1=CC=C(O)C=C1 CQXMAMUUWHYSIY-UHFFFAOYSA-N 0.000 description 1
- XOBKSJJDNFUZPF-UHFFFAOYSA-N Methoxyethane Chemical compound CCOC XOBKSJJDNFUZPF-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N Myristic acid Natural products CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-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
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- GNVMUORYQLCPJZ-UHFFFAOYSA-M Thiocarbamate Chemical compound NC([S-])=O GNVMUORYQLCPJZ-UHFFFAOYSA-M 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- GTTSNKDQDACYLV-UHFFFAOYSA-N Trihydroxybutane Chemical compound CCCC(O)(O)O GTTSNKDQDACYLV-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N alpha-methyl toluene Natural products CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 1
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- 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 1
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- 238000007669 thermal treatment Methods 0.000 description 1
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- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- 125000005425 toluyl group Chemical group 0.000 description 1
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- 125000002889 tridecyl 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])[H] 0.000 description 1
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M115/08—Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
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- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
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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
- C10M169/02—Mixtures of base-materials and thickeners
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- C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
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- C10M2207/123—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M2207/28—Esters
- C10M2207/2805—Esters used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
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- C—CHEMISTRY; METALLURGY
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- C10M2207/284—Esters of aromatic monocarboxylic acids
- C10M2207/2845—Esters of aromatic monocarboxylic acids used as base material
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- C—CHEMISTRY; METALLURGY
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- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
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- C10M2215/064—Di- and triaryl amines
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/10—Amides of carbonic or haloformic acids
- C10M2215/102—Ureas; Semicarbazides; Allophanates
- C10M2215/1026—Ureas; Semicarbazides; Allophanates used as thickening material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/70—Soluble oils
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/02—Bearings
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- C—CHEMISTRY; METALLURGY
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Abstract
轴承用润滑脂的特征在于,包含基油和增稠剂,前述基油是包含聚α烯烃和酯而成的混合基油,在不含氢的氟化合物系制冷剂气氛下使用。使用了该轴承用润滑脂的轴承经过长时间而不会流出润滑脂。另外,由于与润滑油不同,不需要回收体系,因此能够使轴承的周围紧凑。因此,作为利用了朗肯循环的能量回收装置而容易适用于汽车、各种产业机械。
Description
技术领域
本发明涉及在氟化合物系制冷剂气氛下使用的轴承用润滑脂。
背景技术
涡轮机械以高速进行运作,因此为了维持冷却和润滑性,轴承润滑通常使用润滑油。如制冷循环、朗肯循环那样,在制冷剂的气氛环境下使用高速轴承时,一般来说,预期由气氛气体带来的粘度降低而进行设计,并使用合适的润滑油。
在这种制冷循环、朗肯循环中,通常在氟化合物系制冷剂气氛下进行润滑(液体制冷剂润滑)。作为适于液体制冷剂润滑的润滑油(基油),可以使用聚氧亚烷基二醇、酯、聚乙烯基醚以及烷基苯等具有与制冷剂相容性的基油(例如,参照专利文献1、2)。
另一方面,如果能够在液体制冷剂润滑下使用润滑脂润滑的轴承,则能够简化润滑油的循环体系、制冷剂与润滑油的分离装置,对小型化·轻量化·效率化是有利的。但是,对于被润滑脂润滑的轴承,在制冷剂气氛下润滑脂会被冲洗掉,因此润滑脂润滑非常困难。需要说明的是,专利文献3中记载了在液体制冷剂润滑下使用包含MoS2的润滑脂,但润滑脂的主成分的组成不明。
现有技术文献
专利文献
专利文献1:日本特开2010-090285号公报
专利文献2:日本特开2008-239815号公报
专利文献3:日本特开平05-005491号公报。
发明内容
发明要解决的问题
专利文献3中仅存在包含MoS2的润滑脂这一公开内容,而润滑脂的主成分的组成不明,因此可以认为实际上存在润滑脂流出这一问题。
本发明的目的在于,提供即使在氟化合物系制冷剂气氛下、润滑脂的流出也少、能够长时间维持轴承的润滑性的轴承用润滑脂。
用于解决问题的方法
本发明人等进行了深入研究,结果发现,使用包含特定基油和增稠剂的组成的润滑脂时,在特定的氟化合物系制冷剂气氛中,润滑脂不会从轴承内被冲洗掉。本发明是基于该见解而完成的。
即,本发明提供如下那样的轴承用润滑脂。
(1)轴承用润滑脂,其特征在于,其为包含基油和增稠剂的轴承用润滑脂,前述基油是包含聚α烯烃和酯而成的混合基油,在不含氢的氟化合物系制冷剂气氛下使用。
(2)轴承用润滑脂,其特征在于,在上述本发明的轴承用润滑脂中,前述聚α烯烃与前述酯的质量比为5:95~95:5的范围。
(3)轴承用润滑脂,其特征在于,在上述本发明的轴承用润滑脂中,前述酯为芳香族酯。
(4)轴承用润滑脂,其特征在于,在上述本发明的轴承用润滑脂中,前述增稠剂为用下述通式(1)表示的脲增稠剂。
R1NHCONHR2NHCONHR3 (1)
[式中,R1、R3各自独立地表示碳原子数6~22的1价链式烃基、碳原子数6~12的1价脂环式烃基或者碳原子数6~12的1价芳香族烃基,R2表示碳原子数6~15的2价芳香族烃基。]。
(5)轴承用润滑脂,其特征在于,在上述本发明的轴承用润滑脂中,用R1和R3表示的烃基之中的10质量%以上为碳原子数6~12的1价脂环式烃基。
(6)轴承用润滑脂,其特征在于,在上述本发明的轴承用润滑脂中,该润滑脂的混和稠度为200以上且380以下。
(7)轴承用润滑脂,其特征在于,在上述本发明的轴承用润滑脂中,前述氟化合物系制冷剂为CF3CF2C(O)CF(CF3)2和CF3-(OC(CF3)FCF2)m-(OCF2)n-OCF3中的至少任一者。
(8)轴承用润滑脂,其特征在于,在上述本发明的轴承用润滑脂中,前述氟化合物系制冷剂为CF3CF2C(O)CF(CF3)2。
(9)轴承用润滑脂,其特征在于,该轴承用于朗肯循环。
(10)轴承用润滑脂,其特征在于,该轴承用于涡轮式的朗肯循环。
根据本发明的轴承用润滑脂,润滑脂难以流出至特定的氟化合物系制冷剂,因此能够长时间维持轴承的润滑性。另外,由于与润滑油不同,不需要回收体系,因此能够将轴承的周围制得紧凑。因此,针对朗肯循环或制冷循环等,能够设计小型·轻量、效率优异的液体制冷剂润滑体系。
附图说明
图1是利用了朗肯循环的发电装置的概略示意图。
图2是实施例中的分离评价装置的概略构成图。
图3A是表示实施例中将评价试样保持在分离槽内的状态的图。
图3B是表示实施例中温度循环处理后的评价试样的图,是表示基油从稀释润滑脂分离的状态的图。
具体实施方式
本发明的轴承用润滑脂(以下也称为“本润滑脂”)的特征在于,包含基油和增稠剂,前述基油是包含聚α烯烃(以下也称为“PAO”)和酯而成的混合基油,在不含氢的氟化合物系制冷剂气氛下使用。以下进行详细说明。
〔基油〕
本发明中的基油包含PAO和酯。
PAO为α烯烃的聚合物(低聚物),作为单体即α烯烃的碳原子数,从粘度指数、蒸发性的观点出发,优选为6~20,更优选为8~16,尤其是进一步优选为10~14。另外,作为PAO,从低蒸发性和节能的观点出发,优选为α烯烃的2聚体~5聚体,可以根据目标性状来调节α烯烃的碳原子数及其配混比、聚合度。
作为α烯烃的聚合催化剂,可以使用BF3催化剂、AlCl3催化剂、齐格勒型催化剂、茂金属催化剂等,以往,100℃运动粘度低于30mm2/s的低粘度PAO使用BF3催化剂,而100℃运动粘度为30mm2/s以上的PAO使用AlCl3催化剂,从低蒸发性和节能的观点出发,特别优选为BF3催化剂、茂金属催化剂。BF3催化剂与水、醇、酯等助催化剂共同使用,其中,从粘度指数、低温物性、收率的观点出发,优选醇特别是1-丁醇。
作为能够用作基油的酯,可优选使用多元醇酯、脂肪族二酯以及芳香族酯。
作为多元醇酯,可列举出脂肪族多元醇与直链状或支链状脂肪酸的酯。作为形成该多元醇酯的脂肪族多元醇,有新戊二醇、三羟甲基丙烷、双(三羟甲基)丙烷、三羟甲基乙烷、二(三羟甲基)乙烷、季戊四醇、二季戊四醇以及三季戊四醇等。另外,作为脂肪酸,可以使用碳原子数4~22的脂肪酸,作为特别优选的脂肪酸,可列举出丁酸、己酸、壬酸、癸酸、十一烷酸、月桂酸、肉豆蔻酸、棕榈酸、油酸、硬脂酸、异硬脂酸以及十三烷酸。另外,也可以使用上述脂肪族多元醇与直链状或支链状脂肪酸的偏酯。这些偏酯通过适当调节脂肪族多元醇与脂肪酸的反应摩尔数而使其反应,从而得到。
这种多元醇酯的100℃运动粘度优选为1mm2/s~50mm2/s,更优选为2mm2/s~40mm2/s,进一步优选为3mm2/s~20mm2/s。100℃下的运动粘度为1mm2/s以上时,蒸发损失少,另外,运动粘度为50mm2/s以下时,由粘性阻力所导致的能量损失受到抑制,在低温下的启动性(始動性)、旋转性优异。
作为脂肪族二酯,优选使用脂肪族二元酸二酯。作为脂肪族二元酸二酯的羧酸成分,优选为碳原子数6~10的直链状或支链状的脂肪族二元酸,具体而言,可列举出己二酸、庚二酸、辛二酸、壬二酸、癸二酸以及与它们具有同等性状的二元酸。另外,作为醇成分,优选为碳原子数6~18的脂肪族醇,具体而言,可列举出己醇、庚醇、辛醇、壬醇、癸醇、十一烷醇、十二烷醇、十三烷醇、十四烷醇和十五烷醇、以及它们的异构体。
这种脂肪族二酯的100℃运动粘度优选为1mm2/s~50mm2/s,更优选为1.5mm2/s~30mm2/s,进一步优选为2mm2/s~20mm2/s。100℃下的运动粘度为1mm2/s以上时,蒸发损失少,另外,运动粘度为50mm2/s以下时,由粘性阻力所导致的能量损失受到抑制,在低温下的启动性、旋转性优异。
另外,作为芳香族酯,可以使用芳香族一元酸、芳香族二元酸、芳香族三元酸以及芳香族四元酸等各种类型的羧酸与醇的酯。作为芳香族二元酸,可列举出邻苯二甲酸、间苯二甲酸等,作为芳香族三元酸,可列举出偏苯三酸等,作为芳香族四元酸,可列举出均苯四酸等。具体而言,可优选列举出偏苯三酸三辛酯、偏苯三酸三癸酯以及均苯四酸四辛酯等芳香族酯油。
这种芳香族酯的100℃运动粘度优选为1mm2/s~50mm2/s,更优选为1.5mm2/s~30mm2/s,进一步优选为2mm2/s~20mm2/s。100℃下的运动粘度为1mm2/s以上时,蒸发损失少,另外,运动粘度为50mm2/s以下时,由粘性阻力所导致的能量损失受到抑制,在低温下的启动性、旋转性优异。
上述多元醇酯、脂肪族二酯以及芳香族酯,可以各自单独地与上述PAO混合,或者也可以共同与PAO混合而使用。另外,也可以用作复合酯。复合酯是指以多元酸和多元醇为原料而合成的酯,通常,原料中还包含一元酸。本发明中,可适合地使用由脂肪族多元醇与碳原子数4~18的直链状或支链状的脂肪族单羧酸、直链状或支链状的脂肪族二元酸、或者芳香族二元酸、三元酸、四元酸形成的复合酯。
作为用于形成复合酯的脂肪族多元醇,可以使用三羟甲基丙烷、三羟甲基乙烷、季戊四醇以及二季戊四醇等。另外,作为脂肪族单羧酸,可列举出碳原子数4~18的脂肪族单羧酸,例如十七烷酸、硬脂酸、十九烷酸、花生酸、山嵛酸以及二十四酸。作为脂肪族二元酸,可列举出琥珀酸、己二酸、庚二酸、辛二酸、壬二酸、癸二酸、十一烷二酸、十二烷二酸、十三烷二酸、羧基十八烷酸、羧甲基十八烷酸以及二十二烷二酸等。
作为用于制造上述各种酯的酯化反应,例如可以使醇(1元醇或多元醇)与羧酸(一元酸或多元酸)以特定比例进行反应。或者,可以进行偏酯化,接着使该偏酯化物与羧酸反应,或者也可以将酸的反应顺序反过来,或者也可以将酸混合并供于酯化反应。
本发明中的基油如上述那样地为包含PAO和酯的混合基油。该混合基油中的PAO与酯的比例以质量比计优选为5:95~95:5的范围,更优选为50:50~93:7,进一步优选为70:30~90:10。PAO的比例与该范围相比过少时,存在基油的溶出变多的可能,另一方面,即使PAO的比例与该范围相比为过多,也存在基油的溶出变多的可能。
另外,作为该混合基油的性状,100℃运动粘度优选为1mm2/s以上且30mm2/s以下,更优选为2mm2/s以上且20mm2/s以下。100℃运动粘度为1mm2/s以上时,润滑性优异,同时蒸发损失少,另外,运动粘度为30mm2/s以下时,由粘性阻力所导致的能量损失受到抑制,在低温下的启动性、旋转性优异。
另外,基油中,可以以润滑脂总量基准计在10质量%以下的范围内配混已知的增粘剂(増粘剤)或粘度指数改进剂。作为这种增粘剂、粘度指数改进剂,除了聚丁烯、聚异丁烯、1-癸烯与乙烯的共低聚物等烯烃系低聚物、烯烃共聚物(OCP)之外,还可列举出聚甲基丙烯酸酯、苯乙烯-异戊二烯共聚物的加氢物等。即使在混合有增粘剂、粘度指数改进剂的情况下,混合后的基油也优选在上述范围内。
作为向基油中配混的增稠剂,从轴承的润滑性优异、还能够抑制基油的溶出的观点出发,脲化合物是适合的。作为脲化合物,可列举出单脲化合物、二脲化合物、三脲化合物、四脲化合物等,从轴承的润滑性的观点出发,特别优选为二脲化合物。
作为该二脲化合物,例如可列举出用下述通式(1)表示的化合物。
R1NHCONHR2NHCONHR3 (1)
式中,R1、R3各自独立地表示碳原子数6~22、优选为碳原子数10~22、更优选为碳原子数15~22的1价链式烃基;碳原子数6~12、优选为碳原子数6~8的1价脂环式烃基;或者碳原子数6~12、优选为碳原子数6~9的1价芳香族烃基。R2表示碳原子数6~15的2价芳香族烃基。
作为前述通式(1)中的R2所示的碳原子数6~15的2价芳香族烃基,可列举出亚苯基、二苯甲烷基、甲苯基等。
另外,作为前述通式(1)中的R1、R3所示的碳原子数6~22的1价链式烃基,包含直链状或支链状的饱和或不饱和的烷基,例如可列举出各种己基、各种庚基、各种辛基、各种壬基、各种癸基、各种十一烷基、各种十二烷基、各种十三烷基、各种十四烷基、各种十五烷基、各种十六烷基、各种十七烷基、各种十八烷基、各种十八烯基、各种十九烷基、各种二十烷基(icodecyl groups)等直链状烷基、支链状烷基。
另外,作为前述通式(1)中的R1、R3所示的碳原子数6~22的1价脂环式烃基,包含环己基或碳原子数7~12的烷基取代环己基,例如除了环己基之外,还可列举出甲基环己基、二甲基环己基、乙基环己基、二乙基环己基、丙基环己基、异丙基环己基、1-甲基丙基环己基、丁基环己基、戊基环己基、戊基甲基环己基、己基环己基等。这些之中,从制造方面的理由出发,优选为环己基、甲基环己基、乙基环己基等。
另外,作为前述通式(1)中的R1、R3所示的碳原子数6~12的1价芳香族烃基,可列举出苯基、甲苯酰基、苄基、乙基苯基、甲基苄基、二甲苯基、丙基苯基、异丙苯基、乙基苄基、甲基苯乙基、丁基苯基、丙基苄基、乙基苯乙基、戊基苯基、丁基苄基、丙基苯乙基、己基苯基、戊基苄基、丁基苯乙基、庚基苯基、己基苄基、戊基苯乙基、辛基苯基、丁基苄基、己基苯乙基、壬基苯基、辛基苄基。
本发明中,对于前述二脲化合物的末端基即R1、R3的各烃基的比例,即用于形成R1、R3的原料胺(或混合胺)的组成没有特别限定,具有链式烃基的胺、具有脂环式烃基的胺或者它们的混合物从抑制溶出性的观点出发是更优选的。
尤其是,从抑制溶出性的观点出发,优选的是,前述式(1)中,用R1和R3表示的烃基之中的10质量%以上为碳原子数6~12的1价脂环式烃基。该比例更优选为30质量%以上,进一步优选为50质量%以上。
上述二脲化合物可以通过使通常的二异氰酸酯与单胺反应而得到,作为二异氰酸酯,可列举出二苯基二异氰酸酯、4,4’-二苯基甲烷二异氰酸酯、甲苯二异氰酸酯等,从有害性小的观点出发,优选为二苯基甲烷二异氰酸酯。作为单胺,可列举出与前述通式(1)中的R1、R3所示的链式烃基、脂环式烃基、芳香族烃基等相应的胺,例如可列举出辛胺、十二烷基胺、十八烷基胺、十八烯基胺等链式烃胺;环己胺等脂环式烃胺;苯胺、甲苯胺等芳香族烃胺;以及将它们混合而成的混合胺。
作为这种二脲化合物,从防止基油向制冷剂中溶出的观点出发,优选在制造中使用的单胺之中,相对于单胺总量,80质量%以上为碳原子数4以上且22以下的脂肪族胺,更优选碳原子数为6以上且20以下。碳原子数在该范围内的脂肪族单胺的更优选比例为50质量%以下,进一步优选为30质量%以下。另外,在前述脂肪族胺之中,碳原子数为6以上且20质量%以下的成分优选为60质量%以上,更优选为80质量%以上。
增稠剂的配混量只要是能够与上述基油共同形成润滑脂并维持的范围,就没有限制,从润滑脂的流动性、低温特性的观点出发,以润滑脂总量基准计优选为5质量%以上且25质量%以下,更优选为10质量%以上且20质量%以下。
本发明所述的润滑脂中使用的增稠剂是用于赋予稠度的物质,配混量过少时,无法获得期望的稠度,另一方面,配混量过多时,润滑脂的润滑性降低。
另外,本润滑脂中,混和稠度优选为150以上且375以下(基于JIS K2220.7),更优选为200以上且340以下。混和稠度为150以上时,润滑脂不硬,因此低温启动性良好。另一方面,混和稠度为375以下时,润滑脂不会过软,润滑性良好。
本润滑脂在不含氢的氟化合物系制冷剂气氛下使用。作为氟化合物系制冷剂,例如可列举出下述分子式(A)那样的氟化合物或饱和氟化碳化合物。
CpOqFrRs (A)
[式中,R表示Cl、Br、I,p为1~8,q为2以下,r为1~18,s为17以下的整数。其中,q为0时,p为2~8,分子中具有1个以上的碳-碳不饱和键。]
前述分子式(A)表示分子中的元素种类和数量,式(A)表示碳原子C的数量p为1~8的氟化合物。如果是碳原子数为1~8的氟化合物,则能够具备作为制冷剂所要求的沸点、凝固点、蒸发潜热等物理性质、化学性质。为了制成更优选的性质,优选p为1~6。
分子式(A)中,用Cp表示的p个碳原子的键合形态包含碳-碳单键、碳-碳双键等不饱和键;碳-氧双键等。从稳定性的观点出发,碳-碳的不饱和键优选为碳-碳双键,其数量为1以上,优选为1。
另外,分子式(A)中,用Oq表示的q个氧原子的键合形态优选为源自醚基、羟基或羰基的氧。该氧原子的数量q可以为2,也包括具有2个醚基、羟基等的情况。
另外,Oq中的q为0且分子中不含氧原子时,p为2~8且分子中具有1个以上碳-碳双键等不饱和键。即,用Cp表示的p个碳原子的键合形态中的至少一种需要为碳-碳不饱和键。
另外,分子式(A)中,R表示Cl、Br或I。
如上所述,作为用分子式(A)表示的氟化合物,可列举出不饱和氟化碳化合物、氟化醚化合物以及氟化酮化合物等来作为适合的氟化合物。另外,作为其他氟化合物系制冷剂,可列举出饱和氟化碳化合物。
以下,针对这些化合物进行说明。
[氟化醚化合物]
本发明中,作为能够用作制冷剂的氟化醚化合物,例如可列举出碳原子数为2~6且具有1个~2个醚键、烷基为直链状或支链状的链状脂肪族醚的氟化物;碳原子数为3~6且具有1个~2个醚键的环状脂肪族醚的氟化物;氟化环氧丙烷的聚合物、氟化环氧乙烷的聚合物、氟化环氧丙烷与氟化环氧乙烷的共聚物。
具体而言,可列举出导入有6个氟原子的二甲基醚、导入有8个氟原子的甲基乙基醚、导入有10个氟原子的二乙基醚、导入有8个氟原子的二甲氧基甲烷、导入有10个氟原子的甲基丙基醚类、导入有12个氟原子的甲基丁基醚类、导入有12个氟原子的乙基丙基醚类、导入有6个氟原子的氧杂环丁烷、导入有6个氟原子的1,3-二氧戊环、导入有8个氟原子的四氢呋喃、全氟环氧丙烷的聚合物、全氟环氧乙烷的聚合物、全氟环氧丙烷与全氟环氧乙烷的共聚物等。
作为这些氟化醚化合物,例如可列举出六氟二甲基醚、全氟二甲氧基甲烷、全氟氧杂环丁烷、全氟-1,3-二氧戊烷以及CF3-(OC(CF3)FCF2)m-(OCF2)n-OCF3(沸点55℃)(ソルベイソレクシス公司制 ガルデン HT55)等。
其中,从具有适度的沸点这一观点出发,优选为CF3-(OC(CF3)FCF2)m-(OCF2)n-OCF3。
本发明中,该氟化醚化合物可以单独使用1种,也可以组合2种以上来使用。
[氟化酮化合物]
本发明中,作为能够用作制冷剂的氟化酮化合物,例如可列举出碳原子数为3~8、更优选为3~6、烷基为直链状或支链状的脂肪族酮的氟化物。
具体而言,可列举出导入有6个氟原子的丙酮、导入有8个氟原子的甲基乙基酮、导入有10个氟原子的二乙基酮、导入有10个氟原子的甲基丙基酮、导入有12个氟原子的乙基丙基酮类等。
作为这些氟化酮化合物,例如可列举出六氟二甲基酮、全氟甲基乙基酮以及CF3CF2C(O)CF(CF3)2(沸点49℃)(3M公司制 NOVEC649)等。
其中,从具有适度的沸点这一观点出发,优选为CF3CF2C(O)CF(CF3)2。
本发明中,这些氟化酮化合物可以单独使用1种,也可以组合2种以上来使用。
此处,作为本润滑脂所适用的轴承,可列举出角接触球轴承、深沟球轴承、自动调心球轴承以及推力球轴承等,优选的是,对小型化·高速化有利且作为涡轮机器轴承而通用的角接触球轴承。
使用本润滑脂时,由于润滑脂向氟化合物系制冷剂的流出少,因此能够长时间维持轴承的润滑性。另外,由于为润滑脂,因此与润滑油不同,多数情况下可以不要回收体系、贮存罐,能够将轴承的周围制得紧凑,因此还容易适用于使用了朗肯循环(涡轮式等)的能量回收装置。这种能量回收装置适合地用于各种产业机械(化学工厂、石油精制工厂、制铁所、机械制造工厂以及热处理工厂等)、汽车。
以下,示出使用了本润滑脂的轴承的一个适用例。
图1是利用了朗肯循环的发电装置100的概略示意图。该朗肯循环中,使用来自发动机、各种产业机械的废热源10的热,利用蒸发器20产生制冷剂蒸气,使发电涡轮30的旋转叶片旋转。通过了发电涡轮30的制冷剂通过冷凝器40被液化,利用泵50而再次被导入蒸发器20,再次在体系内循环。发电涡轮30的旋转叶片连结有轴60而旋转,利用发电机70而进行发电。轴60利用轴承80而保持能够旋转。本润滑脂用于该轴承80。
对于本润滑脂,在实现本发明目的的范围内根据需要可以配混抗氧化剂、防锈剂、固体润滑剂、填充剂、油性剂、金属钝化剂、耐水剂、极压剂、耐磨耗剂、粘度指数改进剂、着色剂等添加剂。
作为极压剂,可列举出二烷基二硫代磷酸锌,二烷基二硫代磷酸钼、无灰系二硫代氨基甲酸酯、二硫代氨基甲酸锌、二硫代氨基甲酸钼等硫代氨基甲酸类;硫化合物(硫化油脂、硫化烯烃、聚硫醚、硫化矿物油、硫代磷酸类、硫代萜烯类、二烷基硫代二丙酸酯类等)、磷酸酯、亚磷酸酯(磷酸三甲苯酯、亚磷酸三苯酯等)等。作为油性剂,可列举出醇类、羧酸类、甘油酯类、酯类等。作为这些配混量,优选为0.1质量%以上且5质量%以下左右(润滑脂总量基准)。
作为抗氧化剂,例如可列举出烷基化二苯基胺、苯基-α-萘基胺、烷基化苯基-α-萘基胺等胺系抗氧化剂;2,6-二叔丁基-4-甲基苯酚、4,4’-亚甲基双(2,6-二叔丁基苯酚)等苯酚系抗氧化剂;硫系-ZnDTP等过氧化物分解剂等,它们通常以0.05质量%以上且10质量%以下的比例进行使用。
作为防锈剂,可列举出苯并三唑、硬脂酸锌、琥珀酸酯、琥珀酸衍生物、噻唑、苯并三唑、苯并三唑衍生物、亚硝酸钠、石油磺酸盐、脱水山梨糖醇单油酸酯、脂肪酸皂以及胺化合物等。
作为固体润滑剂,可列举出聚酰亚胺、PTFE、石墨、金属氧化物、氮化硼、氰尿酸三聚氰胺(MCA)以及二硫化钼等。
实施例
接着,列举出实施例和比较例来进一步详细说明本发明,但本发明不受这些记载内容的任何限定。
〔实施例1、比较例1~4〕
按照以下表1所示的配混制备实施例和比较例的各润滑脂,在接触4种氟化合物系制冷剂的状态下评价基油从润滑脂流出的流出特性。评价结果也示于表1。
[表1]
※1 PAO(聚α烯烃):40℃运动粘度46.7mm2/s、100℃运动粘度7.8mm2/s、粘度指数137
※2 混合基油:前述的PAO和偏苯三酸三辛酯和增粘剂(三井化学株式会社制,ルーカントHC-2000)以质量比79:16:5进行室温混合而制备。
※3 脲化合物:如下操作而制造(同时也制备润滑脂。)。
首先,向应使用的基油的一半量中加热溶解应使用的量的二苯基甲烷-4,4’-二异氰酸酯,从而制备(a);接着,向基油的剩余一半量中加热溶解相对于前述二苯基甲烷-4,4’-二异氰酸酯量为2倍摩尔的混合胺(十八烷基胺与环己胺以摩尔比20:80进行混合),从而制备(b)。然后,将(a)和(b)混合并反应。其后,加热搅拌,在到达160℃的时刻边保持温度边进一步搅拌1小时。其后,以50℃/hr冷却至80℃,添加抗氧化剂和防锈剂,进一步进行磨碎处理·脱泡处理,得到润滑脂。
※4 制冷剂A:CF3CF2C(O)CF(CF3)2(沸点49℃)(3M公司制 NOVEC649)
※5 制冷剂B:CF3-(OC(CF3)FCF2)m-(OCF2)n-OCF3(沸点55℃)(ソルベイソレクシス公司制 ガルデン HT55)
※6 制冷剂C:C4F9OCH3(沸点61℃)(3M公司制 HFE7100)
※7 制冷剂D:CF3CH2OCF2CHF2(沸点56℃)(旭硝子公司制 アサヒクリン AE3000)。
〔评价方法〕
(1)稠度
基于JIS K 2220.7进行测定。
(2)润滑脂的流出特性(制冷剂接触试验)
使用上述各表所示的基油和增稠剂和添加剂,制备各润滑脂后,基于日本特愿2010-151016号“润滑脂评价方法”,评价各润滑脂中的基油向制冷剂中流出的流出性。具体而言,如下所示。
相对于评价对象的各润滑脂,另行准备用作该润滑脂的成分的基油。以使该润滑脂与该基油达到1:20的质量比的方式进行采取,利用均化器充分地混合。接着,向预先洗涤了内部的透明容器(图2)内加入前述稀释润滑脂50g和前述评价对象制冷剂9g,利用盖2b将内部气密地覆盖。该时刻下,如图3A所示那样,评价试样S分离为由评价对象制冷剂R形成的层和由稀释润滑脂G形成的层,稀释润滑脂G的成分中的基油不分离而存在于由稀释润滑脂G形成的层中。需要说明的是,对于设置于盖2b的配管6的阀8,预先将它们一起关闭。接着,利用搅拌叶片3c对分离槽2内进行搅拌,将稀释润滑脂与评价对象制冷剂均匀地混合,制成评价试样。并且,边搅拌边重复6次室温下2小时、110℃下2小时的循环运转,进行总计24小时的实验。其后,在室温状态下静置24小时,使评价试样稳定化。由此,如图3B所示那样,基油B与评价对象制冷剂R分离。
然后,测定从稀释润滑脂G中分离出的基油B的层的比例,求出基油分离率。具体而言,从图3B所示的透明的分离槽2的外侧,利用尺子(メジャー)等直接测定分离出的基油B的层的高度H1和稀释润滑脂G的层的高度H2。并且,由所得测定值基于下式而求出基油分离率。
基油分离率={H1/(H1+H2)}×100。
在实用方面,该基油分离率优选为15%以下,更优选为10%以下。理想的是0%。
〔评价结果〕
根据表1所示的结果,实施例中的本发明的轴承用润滑脂是包含特定的混合基油和增稠剂而制造的,并且在特定的氟化合物系制冷剂(制冷剂A、制冷剂B)气氛下使用,因此基油分离率事实上为0%。因此可以理解为:即使将本发明的基油在该制冷剂气氛下用于轴承,也能够长时间维持润滑性。与此相对,比较例1~3的润滑脂中的基油不是特定的混合基油,因此基油分离率均高。另外,比较例4中使用了本发明的特定的混合基油,但制冷剂不同(制冷剂C、制冷剂D包含氢),因此基油分离率高。因此,难以将各比较例的润滑脂在氟化合物系制冷剂气氛中用于轴承。
符号的说明
1…分离评价装置
2…分离槽(分离容器)
3…搅拌机
4…加热器
5…控制装置
S…评价试样
R…评价对象制冷剂
G…稀释润滑脂
B…基油
10…废热源
20…蒸发器
30…发电涡轮
40…冷凝器
50…泵
60…轴
70…发电机
80…轴承
100…发电装置
Claims (10)
1.轴承用润滑脂,其特征在于,其为包含基油和增稠剂的轴承用润滑脂,
所述基油是包含聚α烯烃和酯而成的混合基油,
在不含氢的氟化合物系制冷剂气氛下使用。
2.根据权利要求1所述的轴承用润滑脂,其特征在于,在该轴承用润滑脂中,所述聚α烯烃与所述酯的质量比为5:95~95:5的范围。
3.根据权利要求1或2所述的轴承用润滑脂,其特征在于,在该轴承用润滑脂中,所述酯为芳香族酯。
4.根据权利要求1~3中任一项所述的轴承用润滑脂,其特征在于,在该轴承用润滑脂中,所述增稠剂为用下述通式(1)表示的脲增稠剂,
R1NHCONHR2NHCONHR3 (1)
式(1)中,R1、R3各自独立地表示碳原子数6~22的1价链式烃基、碳原子数6~12的1价脂环式烃基或者碳原子数6~12的1价芳香族烃基,R2表示碳原子数6~15的2价芳香族烃基。
5.根据权利要求4所述的轴承用润滑脂,其特征在于,在该轴承用润滑脂中,用R1和R3表示的烃基之中的10质量%以上为碳原子数6~12的1价脂环式烃基。
6.根据权利要求1~5中任一项所述的轴承用润滑脂,其特征在于,在该轴承用润滑脂中,该润滑脂的混和稠度为200以上且380以下。
7.根据权利要求1~6中任一项所述的轴承用润滑脂,其特征在于,在该轴承用润滑脂中,所述氟化合物系制冷剂为CF3CF2C(O)CF(CF3)2和CF3-(OC(CF3)FCF2)m-(OCF2)n-OCF3中的至少任一者。
8.根据权利要求7所述的轴承用润滑脂,其特征在于,在该轴承用润滑脂中,所述氟化合物系制冷剂为CF3CF2C(O)CF(CF3)2。
9.根据权利要求1~8中任一项所述的轴承用润滑脂,其特征在于,该轴承用于朗肯循环。
10.根据权利要求9所述的轴承用润滑脂,其特征在于,该轴承用于涡轮式的朗肯循环。
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US (2) | US9206371B2 (zh) |
EP (1) | EP2716745A4 (zh) |
JP (1) | JP5743719B2 (zh) |
CN (1) | CN103562363A (zh) |
WO (1) | WO2012165562A1 (zh) |
Families Citing this family (6)
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US10240103B2 (en) * | 2013-03-14 | 2019-03-26 | Idemitsu Kosan Co., Ltd. | Grease composition for bearing |
JP6559983B2 (ja) * | 2015-03-18 | 2019-08-14 | Ntn株式会社 | グリース組成物 |
EP3293246A1 (en) | 2016-09-13 | 2018-03-14 | Basf Se | Lubricant compositions containing diurea compounds |
JP7044514B2 (ja) * | 2017-10-27 | 2022-03-30 | 三菱重工サーマルシステムズ株式会社 | 冷凍機油用グリース |
JP7373960B2 (ja) * | 2019-09-27 | 2023-11-06 | ナブテスコ株式会社 | グリースガン |
WO2021221060A1 (ja) * | 2020-04-30 | 2021-11-04 | Eneos株式会社 | 冷凍機油、冷凍機用作動流体組成物、及び冷凍機油の製造方法 |
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JP5618456B2 (ja) * | 2007-03-29 | 2014-11-05 | Jx日鉱日石エネルギー株式会社 | 冷凍機油組成物及び冷凍機用作動流体組成物 |
CA2694682C (en) * | 2007-07-27 | 2014-12-02 | Utc Power Corporation | Oil recovery from an evaporator of an organic rankine cycle (orc) system |
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2011
- 2011-05-31 JP JP2011122383A patent/JP5743719B2/ja active Active
-
2012
- 2012-05-31 EP EP12792433.0A patent/EP2716745A4/en not_active Withdrawn
- 2012-05-31 CN CN201280025881.1A patent/CN103562363A/zh active Pending
- 2012-05-31 US US14/122,849 patent/US9206371B2/en not_active Expired - Fee Related
- 2012-05-31 WO PCT/JP2012/064121 patent/WO2012165562A1/ja active Application Filing
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2014
- 2014-12-18 US US14/575,106 patent/US20150159110A1/en not_active Abandoned
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JPH01279117A (ja) * | 1988-04-28 | 1989-11-09 | Matsushita Electric Ind Co Ltd | 流体軸受装置 |
JPH055491A (ja) * | 1991-06-28 | 1993-01-14 | Matsushita Refrig Co Ltd | 液冷媒搬送装置 |
CN1922295A (zh) * | 2004-02-23 | 2007-02-28 | 日本精工株式会社 | 润滑脂组合物以及转动装置 |
CN101983294A (zh) * | 2008-04-08 | 2011-03-02 | Ntn株式会社 | 封入润滑脂的外轮旋转用滚动轴承 |
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US20150159110A1 (en) | 2015-06-11 |
US20140121144A1 (en) | 2014-05-01 |
EP2716745A1 (en) | 2014-04-09 |
EP2716745A4 (en) | 2015-01-14 |
WO2012165562A1 (ja) | 2012-12-06 |
JP5743719B2 (ja) | 2015-07-01 |
JP2012251014A (ja) | 2012-12-20 |
US9206371B2 (en) | 2015-12-08 |
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