TWI409327B - 新戊二醇二酯 - Google Patents
新戊二醇二酯 Download PDFInfo
- Publication number
- TWI409327B TWI409327B TW100123055A TW100123055A TWI409327B TW I409327 B TWI409327 B TW I409327B TW 100123055 A TW100123055 A TW 100123055A TW 100123055 A TW100123055 A TW 100123055A TW I409327 B TWI409327 B TW I409327B
- Authority
- TW
- Taiwan
- Prior art keywords
- acid
- neopentyl glycol
- diester
- isobutyric
- trimethylhexanoic
- Prior art date
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- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 150000005690 diesters Chemical class 0.000 title description 41
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 claims abstract description 142
- OILUAKBAMVLXGF-UHFFFAOYSA-N 3,5,5-trimethyl-hexanoic acid Chemical compound OC(=O)CC(C)CC(C)(C)C OILUAKBAMVLXGF-UHFFFAOYSA-N 0.000 claims abstract description 55
- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 claims abstract description 45
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 claims abstract description 45
- -1 neopentyl glycol diester Chemical class 0.000 claims abstract description 42
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract description 34
- 150000002148 esters Chemical class 0.000 claims abstract description 8
- WWZKQHOCKIZLMA-UHFFFAOYSA-N Caprylic acid Natural products CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 claims description 6
- FUZZWVXGSFPDMH-UHFFFAOYSA-N n-hexanoic acid Natural products CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- GONOPSZTUGRENK-UHFFFAOYSA-N benzyl(trichloro)silane Chemical compound Cl[Si](Cl)(Cl)CC1=CC=CC=C1 GONOPSZTUGRENK-UHFFFAOYSA-N 0.000 claims description 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 abstract description 30
- 239000003507 refrigerant Substances 0.000 abstract description 17
- 239000010726 refrigerant oil Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 14
- 239000007795 chemical reaction product Substances 0.000 description 9
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- 239000010721 machine oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000002199 base oil Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 description 4
- NKBWMBRPILTCRD-UHFFFAOYSA-N 2-Methylheptanoic acid Chemical compound CCCCCC(C)C(O)=O NKBWMBRPILTCRD-UHFFFAOYSA-N 0.000 description 4
- YSEQNZOXHCKLOG-UHFFFAOYSA-N 2-methyl-octanoic acid Chemical compound CCCCCCC(C)C(O)=O YSEQNZOXHCKLOG-UHFFFAOYSA-N 0.000 description 4
- OVBFMEVBMNZIBR-UHFFFAOYSA-N 2-methylvaleric acid Chemical compound CCCC(C)C(O)=O OVBFMEVBMNZIBR-UHFFFAOYSA-N 0.000 description 4
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 4
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 4
- FGKJLKRYENPLQH-UHFFFAOYSA-N isocaproic acid Chemical compound CC(C)CCC(O)=O FGKJLKRYENPLQH-UHFFFAOYSA-N 0.000 description 4
- SIOLDWZBFABPJU-UHFFFAOYSA-N isotridecanoic acid Chemical compound CC(C)CCCCCCCCCC(O)=O SIOLDWZBFABPJU-UHFFFAOYSA-N 0.000 description 4
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QRMMMWOSHHVOCJ-UHFFFAOYSA-N 2,2-dimethylheptanoic acid Chemical compound CCCCCC(C)(C)C(O)=O QRMMMWOSHHVOCJ-UHFFFAOYSA-N 0.000 description 2
- OXQGTIUCKGYOAA-UHFFFAOYSA-N 2-Ethylbutanoic acid Chemical compound CCC(CC)C(O)=O OXQGTIUCKGYOAA-UHFFFAOYSA-N 0.000 description 2
- WUWPVNVBYOKSSZ-UHFFFAOYSA-N 2-ethyl-2-methyl valeric ccid Chemical compound CCCC(C)(CC)C(O)=O WUWPVNVBYOKSSZ-UHFFFAOYSA-N 0.000 description 2
- LHJPKLWGGMAUAN-UHFFFAOYSA-N 2-ethyl-2-methyl-butanoic acid Chemical compound CCC(C)(CC)C(O)=O LHJPKLWGGMAUAN-UHFFFAOYSA-N 0.000 description 2
- WLAMNBDJUVNPJU-UHFFFAOYSA-N 2-methylbutyric acid Chemical compound CCC(C)C(O)=O WLAMNBDJUVNPJU-UHFFFAOYSA-N 0.000 description 2
- CVKMFSAVYPAZTQ-UHFFFAOYSA-N 2-methylhexanoic acid Chemical compound CCCCC(C)C(O)=O CVKMFSAVYPAZTQ-UHFFFAOYSA-N 0.000 description 2
- UWWDUVVCVCAPNU-UHFFFAOYSA-N 3-ethylhexanoic acid Chemical compound CCCC(CC)CC(O)=O UWWDUVVCVCAPNU-UHFFFAOYSA-N 0.000 description 2
- AWQSAIIDOMEEOD-UHFFFAOYSA-N 5,5-Dimethyl-4-(3-oxobutyl)dihydro-2(3H)-furanone Chemical compound CC(=O)CCC1CC(=O)OC1(C)C AWQSAIIDOMEEOD-UHFFFAOYSA-N 0.000 description 2
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000002841 Lewis acid Substances 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- TUNFSRHWOTWDNC-UHFFFAOYSA-N Myristic acid Natural products CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 235000021314 Palmitic acid Nutrition 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- BAZMYXGARXYAEQ-UHFFFAOYSA-N alpha-ethyl valeric acid Chemical compound CCCC(CC)C(O)=O BAZMYXGARXYAEQ-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000007517 lewis acids Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-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
- 229960002446 octanoic acid Drugs 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 description 2
- IUGYQRQAERSCNH-UHFFFAOYSA-N pivalic acid Chemical compound CC(C)(C)C(O)=O IUGYQRQAERSCNH-UHFFFAOYSA-N 0.000 description 2
- 229920001515 polyalkylene glycol Polymers 0.000 description 2
- 150000007519 polyprotic acids Polymers 0.000 description 2
- 235000019260 propionic acid Nutrition 0.000 description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 2
- RHHHGLCTQKINES-UHFFFAOYSA-M sodium;5-amino-2-methoxy-4-sulfobenzenesulfonate Chemical compound [Na+].COC1=CC(S(O)(=O)=O)=C(N)C=C1S([O-])(=O)=O RHHHGLCTQKINES-UHFFFAOYSA-M 0.000 description 2
- 239000011973 solid acid Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- UAXOELSVPTZZQG-UHFFFAOYSA-N tiglic acid Natural products CC(C)=C(C)C(O)=O UAXOELSVPTZZQG-UHFFFAOYSA-N 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- 229940005605 valeric acid Drugs 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- OJEWIWBDGBRNFP-UHFFFAOYSA-N 2,2,3-trimethylhexanoic acid Chemical group CCCC(C)C(C)(C)C(O)=O OJEWIWBDGBRNFP-UHFFFAOYSA-N 0.000 description 1
- IANXAXNUNBAWBA-UHFFFAOYSA-N 2,2,3-trimethylundecane Chemical compound CCCCCCCCC(C)C(C)(C)C IANXAXNUNBAWBA-UHFFFAOYSA-N 0.000 description 1
- KTXWGMUMDPYXNN-UHFFFAOYSA-N 2-ethylhexan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCCC(CC)C[O-].CCCCC(CC)C[O-].CCCCC(CC)C[O-].CCCCC(CC)C[O-] KTXWGMUMDPYXNN-UHFFFAOYSA-N 0.000 description 1
- MDWVSAYEQPLWMX-UHFFFAOYSA-N 4,4'-Methylenebis(2,6-di-tert-butylphenol) Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 MDWVSAYEQPLWMX-UHFFFAOYSA-N 0.000 description 1
- 229910015900 BF3 Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- QDHFHIQKOVNCNC-UHFFFAOYSA-N butane-1-sulfonic acid Chemical compound CCCCS(O)(=O)=O QDHFHIQKOVNCNC-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- LTVOKYUPTHZZQH-UHFFFAOYSA-N difluoromethane Chemical compound F[C]F LTVOKYUPTHZZQH-UHFFFAOYSA-N 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- CCIVGXIOQKPBKL-UHFFFAOYSA-M ethanesulfonate Chemical compound CCS([O-])(=O)=O CCIVGXIOQKPBKL-UHFFFAOYSA-M 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000003879 lubricant additive Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- UWJJYHHHVWZFEP-UHFFFAOYSA-N pentane-1,1-diol Chemical compound CCCCC(O)O UWJJYHHHVWZFEP-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 description 1
- KCXFHTAICRTXLI-UHFFFAOYSA-N propane-1-sulfonic acid Chemical compound CCCS(O)(=O)=O KCXFHTAICRTXLI-UHFFFAOYSA-N 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000004711 α-olefin 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
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/68—Esters
- C10M129/70—Esters of monocarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
- C07C69/22—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety
- C07C69/28—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with dihydroxylic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
- C07C69/22—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety
- C07C69/30—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with trihydroxylic compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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Description
本發明係關於冷凍機油等工業用潤滑油等所使用之新戊二醇二酯。
近年來,臭氧破壞潛勢(ozone depletion potential)為零且全球暖化潛勢(global warming potential,亦即GWP)更低之氫氟碳化物(hydrofluorocarbon,亦即HFC)係使用作為冷凍機用之冷媒。二氟甲烷冷媒(HFC-32)之GWP約為現在所使用之冷媒[R-410A(二氟甲烷與五氟乙烷之混合物)、R-407C(二氟甲烷與五氟乙烷與1,1,1,2-四氟乙烷之混合物)等]之1/3至1/4,且性能係數(coefficient of performance,亦即COP)係較R-410A、R-407C約提升了5至13%,故從節能化觀點來看為較佳的冷媒(非專利文獻1)。
專利文獻1揭示含有二氟甲烷冷媒之冷凍機運作流體用組成物所使用之酯係新戊二醇與3,5,5-三甲基己酸之二酯等,但該二酯對於二氟甲烷冷媒之相容性等係為不足。
[專利文獻1]日本特開平6-17073號公報
[非專利文獻1]「潤滑經濟」,2004年6月號(No.460),p.17
本發明之目的係提供冷凍機油等所使用之新戊二醇二酯,其對於二氟甲烷冷媒之相容性優異。
本發明提供以下[1]至[4]所記載之新戊二醇二酯。
[1]一種新戊二醇二酯,其為新戊二醇與羧酸之酯,前述羧酸含有異丁酸與、2-乙基己酸及/或3,5,5-三甲基己酸。
[2]如[1]所記載之新戊二醇二酯,其中,前述羧酸中,異丁酸相對於2-乙基己酸及/或3,5,5-三甲基己酸之莫耳比[異丁酸/(2-乙基己酸及/或3,5,5-三甲基己酸)之比例]係在10/90至75/25之範圍。
[3]如[1]或[2]所記載之新戊二醇二酯,其中,前述羧酸中,異丁酸相對於2-乙基己酸及/或3,5,5-三甲基己酸之莫耳比[異丁酸/(2-乙基己酸及/或3,5,5-三甲基己酸)之比例]係在26/74至75/25之範圍。
[4]如[1]至[3]任一項所記載之新戊二醇二酯,其中,前述羧酸為由異丁酸與、2-乙基己酸及/或3,5,5-三甲基己酸所構成者。
根據本發明可提供冷凍機油等所使用之新戊二醇二酯,其對於二氟甲烷冷媒之相容性等為優異。
本發明之新戊二醇之二酯(以下亦僅稱為「二酯」)係新戊二醇與羧酸之混合酯,該羧酸含有異丁酸與、2-乙基己酸及/或3,5,5-三甲基己酸。該羧酸中,異丁酸對於2-乙基己酸及/或3,5,5-三甲基己酸之莫耳比[異丁酸/(2-乙基己酸及/或3,5,5-三甲基己酸)之比例]較佳為在10/90至75/25之範圍,更佳為在26/74至75/25之範圍。
本發明所述之「混合酯」包含下述(i)至(iii)之各樣態:
(i)新戊二醇之二酯,其中,在同一分子中之構成羧酸係含有異丁酸與、2-乙基己酸或3,5,5-三甲基己酸兩者。
(ii)新戊二醇與含有異丁酸的羧酸之二酯、新戊二醇與含有2-乙基己酸的羧酸之二酯、及/或新戊二醇與含有3,5,5-三甲基己酸的羧酸之二酯之混合物。
(iii)上述(i)及(ii)之混合物。
本發明之新戊二醇二酯中亦可含有新戊二醇單酯等作為雜質。
構成二酯之羧酸含有異丁酸與2-乙基己酸時,該羧酸亦可含有異丁酸及2-乙基己酸以外之其他羧酸。該其他羧酸可舉出例如醋酸、丙酸、丁酸、戊酸、己酸、庚酸、辛酸、壬酸、癸酸、十二酸、十四酸、十六酸、十八酸等直鏈脂肪族羧酸、2-甲基丁酸、3-甲基丁酸、2,2-二甲基丙酸、2-乙基丁酸、2-甲基戊酸、4-甲基戊酸、2-甲基己酸、2-乙基戊酸、2-乙基-2-甲基丁酸、2,2-二甲基戊酸、2-甲基庚酸、3-乙基己酸、2-乙基-2-甲基戊酸、3,5,5-三甲基己酸、2-甲基辛酸、2,2-二甲基庚酸、異十三酸、異硬脂酸等分支狀脂肪族羧酸等。
構成二酯之羧酸含有異丁酸與3,5,5-三甲基己酸時,該羧酸亦可含有異丁酸及3,5,5-三甲基己酸以外之其他羧酸。該其他羧酸可舉出例如醋酸、丙酸、丁酸、戊酸、己酸、庚酸、辛酸、壬酸、癸酸、十二酸、十四酸、十六酸、十八酸等直鏈脂肪族羧酸、2-甲基丁酸、3-甲基丁酸、2,2-二甲基丙酸、2-乙基丁酸、2-甲基戊酸、4-甲基戊酸、2-甲基己酸、2-乙基戊酸、2-乙基-2-甲基丁酸、2,2-二甲基戊酸、2-甲基庚酸、2-乙基己酸、3-乙基己酸、2-乙基-2-甲基戊酸、2-甲基辛酸、2,2-二甲基庚酸、異十三酸、異硬脂酸等分支狀脂肪族羧酸等。
前述含有異丁酸與、2-乙基己酸或3,5,5-三甲基己酸之羧酸中,其他羧酸之含量只要在不損及本發明之新戊二醇二酯對於二氟甲烷冷媒的相容性等優異特性之範圍即可。其他羧酸對於異丁酸與、2-乙基己酸及/或3,5,5-三甲基己酸之莫耳比[其他羧酸/(異丁酸與、2-乙基己酸及/或3,5,5-三甲基己酸之羧酸)之比例]較佳為在0/100至5/100的範圍。
構成本發明之新戊二醇二酯之羧酸較佳為由異丁酸與、2-乙基己酸及/或3,5,5-三甲基己酸所構成者。
本發明之新戊二醇二酯,可藉由例如將新戊二醇、異丁酸、2-乙基己酸或3,5,5-三甲基己酸、以及視需要之其他羧酸,在觸媒存在下,以120至250℃反應5至60小時而製造。
觸媒可舉出例如無機酸(mineral acid)、有機酸、路易士酸、有機金屬、固體酸等。無機酸之具體例可舉出例如鹽酸、氫氟酸、硫酸、磷酸、硝酸等。有機酸之具體例可舉出例如對甲苯磺酸、苯磺酸、丁烷磺酸、丙烷磺酸、乙烷磺酸、甲烷磺酸等。路易士酸之具體例可舉出例如三氟化硼、氯化鋁、四氯化錫、四氯化鈦等。有機金屬之具體例可舉出例如鈦酸四丙酯(tetrapropoxy titanium)、鈦酸四丁酯、鈦酸四(2-乙基己基)酯(tetrakis(2-ethylhexyloxy)titanium)等。固體酸之具體例可舉出例如陽離子交換樹脂等。
異丁酸之使用量與2-乙基己酸及/或3,5,5-三甲基己酸之使用量、以及其他羧酸之使用量之和,相對於新戊二醇之羥基,較佳為1.1至1.4倍莫耳。
前述反應中可使用溶媒,溶媒可舉出例如苯、甲苯、二甲苯等。
較佳為在反應進行之同時,將反應所生成的水從反應混合物中去除。在將反應所生成的水從反應混合物中去除時,同時也有將異丁酸從反應混合物中去除之情形。
反應後,可依其必要將本發明之新戊二醇二酯以有機化學通常所使用之方法(使用水及/或鹼性水溶液洗淨、以活性碳或吸附劑等處理、各種層析法、蒸餾法)精製。
本發明之新戊二醇二酯對於二氟甲烷冷媒具有優異之相容性、優異之氧化安定性、優異之耐水解性、優異之熱安定性、優異之低溫流動性、優異之潤滑性等。
本發明之新戊二醇二酯用於冷藏庫用冷凍機油時,較佳為該二酯之在40℃中之動黏度是在3至11mm2
/秒之範圍,且二層分離溫度是在-39℃以下,更佳為該二酯之在40℃中之動黏度是在3至9mm2
/秒之範圍,且二層分離溫度是在-43℃以下。
本發明之新戊二醇二酯除了用於冷凍機油以外,亦可用於引擎油、齒輪油、滑脂(grease)、塑化劑。
使用本發明之新戊二醇二酯之冷凍機油,可舉出例如含有本發明之新戊二醇二酯與潤滑油用添加劑之冷凍機油。在使用本發明之新戊二醇二酯之冷凍機油中,該二酯作為潤滑油基油使用。
潤滑油用添加劑可舉出例如抗氧化劑、摩耗降低劑(耐摩耗劑、燒附防止劑、極壓劑(extreme-pressure agent)等)、摩擦調整劑(friction modifiers)、酸捕捉劑(acid scavenger)、金屬減活化劑(metal deactivator)、消泡劑等通常作為潤滑油添加劑使用者等。在冷凍機油中,此等添加劑之含量較佳係分別為0.001至5重量%。
本發明之新戊二醇二酯可與其他之潤滑油基油一併使用。其他之潤滑油基油可舉出例如礦物油、合成基油等。
礦物油可舉出例如石蠟基(paraffin base)系原油、中間基(intermediate base)系原油、環烷基(naphthene base)系原油等。此外,也可使用將此等原油藉由蒸餾等而精製之精製油。
合成基油可舉出例如聚α-烯烴(聚丁烯、聚丙烯、碳數8至14之α-烯烴寡聚物等)、本發明之新戊二醇二酯以外之脂肪族酯(脂肪酸單酯、多元醇之脂肪酸酯、脂肪族多元酸酯等)、芳香族酯(芳香族單酯、多元醇之芳香族酯、芳香族多元酸酯等)、聚伸烷基二醇(Polyalkylene glycol)、聚乙烯醚、聚苯醚、烷基苯、碳酸酯、合成環烷(naphthene)等。
以下藉由實施例、比較例及試驗例更進一步具體說明本發明,但本發明並不限定於以下之實施例。
針對以下之實施例1至9及比較例1所製造之新戊二醇二酯分別測定核磁共振光譜[1H-NMR、日本電子公司製GSX-400(400MHz)、標準物:四甲基矽烷、溶媒:CDCl3],由下式算出新戊二醇二酯中之異丁酸與2-乙基己酸之莫耳比、或異丁酸與3,5,5-三甲基己酸之莫耳比。
異丁酸/2-乙基己酸=波峰X之積分值/波峰Y之積分值
異丁酸/3,5,5-三甲基己酸=波峰X之積分值/波峰Z之積分值
在此,波峰X係相當於異丁酸中之次甲基(methine group)上之氫原子的波峰,波峰Y係相當於2-乙基己酸中之次甲基上之氫原子的波峰,波峰Z係相當於3,5,5-三甲基己酸中之次甲基上之氫原子的波峰。
吸附劑係使用協和化學工業公司製Kyowado-500。
活性碳係使用日本EnviroChemicals公司製白鷺P。
將新戊二醇417g(4.0莫耳、三菱瓦斯化學公司製)、異丁酸211g(2.4莫耳、東京化成公司製)及3,5,5-三甲基己酸1139g(7.2莫耳、協和發酵化學公司製)加入附有迪安-斯塔克分離器(Dean-Stark Trap)之反應器中,一邊將混合物攪拌一邊在室溫下進行30分鐘氮氣冒泡(nitrogen gas bubbling),藉此而將混合物脫氣。接著,一邊進行氮氣冒泡一邊將混合物在150至220℃下攪拌12小時,接著添加鈦酸四丁酯0.2g至反應混合物,接著將反應混合物在220℃下攪拌3小時。反應後,將反應生成物在2.4kPa之減壓下於180℃攪拌5小時,藉此而蒸餾去除反應生成物中未反應之羧酸。將反應生成物在80℃下以鹼性水溶液500mL洗淨1小時,該鹼性水溶液含有相對於該反應生成物之酸價為兩倍莫耳數之氫氧化鈉。接著,將反應生成物在80℃用30分鐘以水500mL洗淨三次。接著,一邊進行氮氣冒泡,一邊將混合物在1.3kPa之減壓下於90℃攪拌一小時,藉此將反應生成物乾燥。
將吸附劑10g(相當於反應生成物之1重量%)及活性碳10g(相當於反應生成物之1重量%)添加至反應生成物,一邊進行氮氣冒泡一邊將混合物在1.3kPa之減壓下於90℃攪拌一小時,然後使用過濾助劑過濾,而得到1091g之二酯1。
除了新戊二醇、異丁酸及3,5,5-三甲基己酸之使用量莫耳比(新戊二醇/異丁酸/3,5,5-三甲基己酸之比例)改為1/0.72/1.68以外,其他以與實施例1相同方式操作而得二酯2。
除了新戊二醇、異丁酸及3,5,5-三甲基己酸之使用量莫耳比(新戊二醇/異丁酸/3,5,5-三甲基己酸之比例)改為1/0.84/1.56以外,其他以與實施例1相同方式操作而得二酯3。
除了新戊二醇、異丁酸及3,5,5-三甲基己酸之使用量莫耳比(新戊二醇/異丁酸/3,5,5-三甲基己酸之比例)改為1/0.96/1.44以外,其他以與實施例1相同方式操作而得二酯4。
除了新戊二醇、異丁酸及3,5,5-三甲基己酸之使用量莫耳比(新戊二醇/異丁酸/3,5,5-三甲基己酸之比例)改為1/1.20/1.20以外,其他以與實施例1相同方式操作而得二酯5。
除了新戊二醇、異丁酸及3,5,5-三甲基己酸之使用量莫耳比(新戊二醇/異丁酸/3,5,5-三甲基己酸之比例)改為1/2.16/0.24以外,其他以與實施例1相同方式操作而得二酯6。
除了使用2-乙基己酸(協和發酵化學公司製)代替3,5,5-三甲基己酸,且將新戊二醇、異丁酸及2-乙基己酸之使用量莫耳比(新戊二醇/異丁酸/2-乙基己酸之比例)改為1/0.72/1.68以外,其他以與實施例1相同方式操作而得二酯7。
除了使用2-乙基己酸(協和發酵化學公司製)代替3,5,5-三甲基己酸,且將新戊二醇、異丁酸及2-乙基己酸之使用量莫耳比(新戊二醇/異丁酸/2-乙基己酸之比例)改為1/1.20/1.20以外,其他以與實施例1相同方式操作而得二酯8。
除了使用2-乙基己酸(協和發酵化學公司製)代替3,5,5-三甲基己酸,且將新戊二醇、異丁酸及2-乙基己酸之使用量莫耳比(新戊二醇/異丁酸/2-乙基己酸之比例)改為1/1.92/0.48以外,其他以與實施例1相同方式操作而得二酯8。
除了新戊二醇、異丁酸及3,5,5-三甲基己酸之使用量莫耳比(新戊二醇/異丁酸/3,5,5-三甲基己酸之比例)改為1/0/2.4以外,其他以與實施例1相同方式操作而得二酯A。
使用坎農-芬斯克黏度計(Cannon-Fenske viscometer),以JIS K2283:2000之方法為基準,測定二酯1至9及A之在40℃中之動黏度。結果示於表1及表2。
以JIS K2211:2009之方法為基準,測定二酯1至9及A之二層分離溫度。分別將二酯1至9及A各0.4g與二氟甲烷冷媒3.6g封入耐壓玻璃管,將混合物從30℃起以每分鐘0.5℃之速度冷卻,而將混合物二層分離或白濁之溫度作為二層分離溫度。結果示於表1及表2。
由表1可知,二酯1至6在40℃中之動黏度為3.9至10.7mm2
/秒,且二層分離溫度為-39℃以下,具有對於二氟甲烷冷媒之優異相容性。其中,二酯4至6在40℃中之動黏度為3.9至8.6mm2
/秒,且二層分離溫度為-48℃以下,具有對於二氟甲烷冷媒之特別優異的相容性。
由表2可知,二酯7至9在40℃中之動黏度為3.4至5.7mm2
/秒,且二層分離溫度為-43℃以下,具有對於二氟甲烷冷媒之優異相容性。
使用旋轉高壓罐式氧化安定度試驗器RBOT-02(離合公司製),以JIS K2514-1996之方法為基準,進行氧化安定度試驗。
將49.75g之二酯6、4,4’-亞甲基二(2,6-二第三丁基酚)0.25g、水5mL、經砂紙研磨過之電解銅線(直徑1.6mm、長3m)放入耐壓容器中。接著,於該耐壓容器中押入氧氣直到620kPa為止,將該耐壓容器放入150℃恆溫槽,以每分鐘100轉進行旋轉。從該耐壓容器壓力最高時到壓力下降175kPa為止所花費的時間為118分鐘。由此可知二酯6具有優異之氧化安定性。
根據本發明,可提供冷凍機油等所使用之新戊二醇二酯,其對於二氟甲烷冷媒具有優異之相容性。
Claims (3)
- 一種新戊二醇二酯,其為新戊二醇與羧酸之酯,其中,前述羧酸含有異丁酸與2-乙基己酸及/或3,5,5-三甲基己酸;且前述羧酸中,異丁酸相對於2-乙基己酸及/或3,5,5-三甲基己酸之莫耳比[異丁酸/(2-乙基己酸及/或3,5,5-三甲基己酸)之比例]係在10/90至75/25之範圍。
- 如申請專利範圍第1項所述之新戊二醇二酯,其中,前述羧酸中,異丁酸相對於2-乙基己酸及/或3,5,5-三甲基己酸之莫耳比[異丁酸/(2-乙基己酸及/或3,5,5-三甲基己酸)之比例]係在26/74至75/25之範圍。
- 如申請專利範圍第1項或第2項所述之新戊二醇二酯,其中,前述羧酸為由異丁酸與2-乙基己酸及/或3,5,5-三甲基己酸所構成者。
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| CN104768915B (zh) * | 2012-10-24 | 2016-05-04 | Kh新化株式会社 | 双季戊四醇单缩甲醛的六酯 |
| JP6048810B2 (ja) * | 2012-11-13 | 2016-12-21 | 日油株式会社 | エステルの製造方法 |
| GB201502874D0 (en) * | 2015-02-20 | 2015-04-08 | M & I Materials Ltd | Low temperature dielectric fluid compositions |
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| US10604720B2 (en) * | 2015-07-07 | 2020-03-31 | Exxonmobil Research And Engineering Company | Method and composition for preventing or reducing engine knock and pre-ignition in high compression spark ignition engines |
| EP3555243A1 (en) * | 2016-12-19 | 2019-10-23 | ExxonMobil Research and Engineering Company | Composition and method for preventing or reducing engine knock and pre-ignition in high compression spark ignition engines |
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| JP3142321B2 (ja) | 1991-09-03 | 2001-03-07 | 日石三菱株式会社 | 冷凍機油組成物 |
| JP2613526B2 (ja) | 1992-07-04 | 1997-05-28 | 花王株式会社 | 冷凍機作動流体用組成物 |
| JPH0625682A (ja) | 1992-07-08 | 1994-02-01 | Kao Corp | 冷凍機作動流体用組成物 |
| JPH08151590A (ja) * | 1994-11-30 | 1996-06-11 | Mitsubishi Oil Co Ltd | 冷凍機油組成物及び圧縮機 |
| CN1119316C (zh) | 1995-09-25 | 2003-08-27 | 花王株式会社 | 酯化合物作为润滑油基础油的应用 |
| CA2807945C (en) | 2010-08-24 | 2017-04-25 | Katsuya Takigawa | Ester-based refrigerating machine oil compatible with difluoromethane and/or unsaturated hydrocarbon refrigerants |
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