JP7376474B2 - ジフルオロメタン、テトラフルオロプロペン、及び二酸化炭素を含有する組成物、並びにその使用 - Google Patents
ジフルオロメタン、テトラフルオロプロペン、及び二酸化炭素を含有する組成物、並びにその使用 Download PDFInfo
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- JP7376474B2 JP7376474B2 JP2020520767A JP2020520767A JP7376474B2 JP 7376474 B2 JP7376474 B2 JP 7376474B2 JP 2020520767 A JP2020520767 A JP 2020520767A JP 2020520767 A JP2020520767 A JP 2020520767A JP 7376474 B2 JP7376474 B2 JP 7376474B2
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- 239000000203 mixture Substances 0.000 title claims description 268
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 title claims description 124
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims description 102
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims description 51
- 239000001569 carbon dioxide Substances 0.000 title claims description 29
- PGJHURKAWUJHLJ-UHFFFAOYSA-N 1,1,2,3-tetrafluoroprop-1-ene Chemical compound FCC(F)=C(F)F PGJHURKAWUJHLJ-UHFFFAOYSA-N 0.000 title description 3
- 239000003507 refrigerant Substances 0.000 claims description 138
- FXRLMCRCYDHQFW-UHFFFAOYSA-N 2,3,3,3-tetrafluoropropene Chemical compound FC(=C)C(F)(F)F FXRLMCRCYDHQFW-UHFFFAOYSA-N 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 58
- 238000001816 cooling Methods 0.000 claims description 57
- 238000004378 air conditioning Methods 0.000 claims description 52
- 239000000314 lubricant Substances 0.000 claims description 31
- -1 compatibilizers Substances 0.000 claims description 25
- 239000000975 dye Substances 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000003381 stabilizer Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 239000005069 Extreme pressure additive Substances 0.000 claims description 3
- 229940123457 Free radical scavenger Drugs 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000003599 detergent Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000002516 radical scavenger Substances 0.000 claims description 3
- 239000004034 viscosity adjusting agent Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 239000003112 inhibitor Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 description 39
- 150000001875 compounds Chemical class 0.000 description 16
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- 239000000654 additive Substances 0.000 description 10
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- 150000002430 hydrocarbons Chemical class 0.000 description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 7
- 238000010792 warming Methods 0.000 description 7
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
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- 239000013529 heat transfer fluid Substances 0.000 description 6
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- 239000000047 product Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910019142 PO4 Inorganic materials 0.000 description 5
- 150000004996 alkyl benzenes Chemical class 0.000 description 5
- 230000008859 change Effects 0.000 description 5
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- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 235000021317 phosphate Nutrition 0.000 description 5
- 229920001515 polyalkylene glycol Polymers 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000032258 transport Effects 0.000 description 5
- FDOPVENYMZRARC-UHFFFAOYSA-N 1,1,1,2,2-pentafluoropropane Chemical compound CC(F)(F)C(F)(F)F FDOPVENYMZRARC-UHFFFAOYSA-N 0.000 description 4
- ZDCWZRQSHBQRGN-UHFFFAOYSA-N 1,1,1,2,3-pentafluoropropane Chemical compound FCC(F)C(F)(F)F ZDCWZRQSHBQRGN-UHFFFAOYSA-N 0.000 description 4
- XOUQAVYLRNOXDO-UHFFFAOYSA-N 2-tert-butyl-5-methylphenol Chemical compound CC1=CC=C(C(C)(C)C)C(O)=C1 XOUQAVYLRNOXDO-UHFFFAOYSA-N 0.000 description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical class OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- 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 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 4
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical group FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 4
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 4
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 4
- 229920001774 Perfluoroether Polymers 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 4
- 150000002576 ketones Chemical class 0.000 description 4
- 239000010702 perfluoropolyether Substances 0.000 description 4
- 229920005862 polyol Polymers 0.000 description 4
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 4
- YFMFNYKEUDLDTL-UHFFFAOYSA-N 1,1,1,2,3,3,3-heptafluoropropane Chemical compound FC(F)(F)C(F)C(F)(F)F YFMFNYKEUDLDTL-UHFFFAOYSA-N 0.000 description 3
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 3
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000007850 fluorescent dye Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 150000002596 lactones Chemical class 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 229920013639 polyalphaolefin Polymers 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920001289 polyvinyl ether Polymers 0.000 description 3
- 150000003568 thioethers Chemical class 0.000 description 3
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 3
- UNMJLQGKEDTEKJ-UHFFFAOYSA-N (3-ethyloxetan-3-yl)methanol Chemical compound CCC1(CO)COC1 UNMJLQGKEDTEKJ-UHFFFAOYSA-N 0.000 description 2
- RIQRGMUSBYGDBL-UHFFFAOYSA-N 1,1,1,2,2,3,4,5,5,5-decafluoropentane Chemical compound FC(F)(F)C(F)C(F)C(F)(F)C(F)(F)F RIQRGMUSBYGDBL-UHFFFAOYSA-N 0.000 description 2
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 2
- NSGXIBWMJZWTPY-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropane Chemical compound FC(F)(F)CC(F)(F)F NSGXIBWMJZWTPY-UHFFFAOYSA-N 0.000 description 2
- WZLFPVPRZGTCKP-UHFFFAOYSA-N 1,1,1,3,3-pentafluorobutane Chemical compound CC(F)(F)CC(F)(F)F WZLFPVPRZGTCKP-UHFFFAOYSA-N 0.000 description 2
- UJPMYEOUBPIPHQ-UHFFFAOYSA-N 1,1,1-trifluoroethane Chemical compound CC(F)(F)F UJPMYEOUBPIPHQ-UHFFFAOYSA-N 0.000 description 2
- WXGNWUVNYMJENI-UHFFFAOYSA-N 1,1,2,2-tetrafluoroethane Chemical compound FC(F)C(F)F WXGNWUVNYMJENI-UHFFFAOYSA-N 0.000 description 2
- BAMUEXIPKSRTBS-UHFFFAOYSA-N 1,1-dichloro-1,2,2,2-tetrafluoroethane Chemical compound FC(F)(F)C(F)(Cl)Cl BAMUEXIPKSRTBS-UHFFFAOYSA-N 0.000 description 2
- NPNPZTNLOVBDOC-UHFFFAOYSA-N 1,1-difluoroethane Chemical compound CC(F)F NPNPZTNLOVBDOC-UHFFFAOYSA-N 0.000 description 2
- DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 description 2
- LKUDPHPHKOZXCD-UHFFFAOYSA-N 1,3,5-trimethoxybenzene Chemical compound COC1=CC(OC)=CC(OC)=C1 LKUDPHPHKOZXCD-UHFFFAOYSA-N 0.000 description 2
- OHBQPCCCRFSCAX-UHFFFAOYSA-N 1,4-Dimethoxybenzene Chemical compound COC1=CC=C(OC)C=C1 OHBQPCCCRFSCAX-UHFFFAOYSA-N 0.000 description 2
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 description 2
- RFCAUADVODFSLZ-UHFFFAOYSA-N 1-Chloro-1,1,2,2,2-pentafluoroethane Chemical compound FC(F)(F)C(F)(F)Cl RFCAUADVODFSLZ-UHFFFAOYSA-N 0.000 description 2
- IQQRAVYLUAZUGX-UHFFFAOYSA-N 1-butyl-3-methylimidazolium Chemical compound CCCCN1C=C[N+](C)=C1 IQQRAVYLUAZUGX-UHFFFAOYSA-N 0.000 description 2
- BOUGCJDAQLKBQH-UHFFFAOYSA-N 1-chloro-1,2,2,2-tetrafluoroethane Chemical compound FC(Cl)C(F)(F)F BOUGCJDAQLKBQH-UHFFFAOYSA-N 0.000 description 2
- BVUXDWXKPROUDO-UHFFFAOYSA-N 2,6-di-tert-butyl-4-ethylphenol Chemical compound CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BVUXDWXKPROUDO-UHFFFAOYSA-N 0.000 description 2
- 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
- AQZRARFZZMGLHL-UHFFFAOYSA-N 2-(trifluoromethyl)oxirane Chemical compound FC(F)(F)C1CO1 AQZRARFZZMGLHL-UHFFFAOYSA-N 0.000 description 2
- HTHNTJCVPNKCPZ-UHFFFAOYSA-N 2-chloro-1,1-difluoroethene Chemical group FC(F)=CCl HTHNTJCVPNKCPZ-UHFFFAOYSA-N 0.000 description 2
- BIDWUUDRRVHZLQ-UHFFFAOYSA-N 3-ethyl-3-(2-ethylhexoxymethyl)oxetane Chemical compound CCCCC(CC)COCC1(CC)COC1 BIDWUUDRRVHZLQ-UHFFFAOYSA-N 0.000 description 2
- JUXZNIDKDPLYBY-UHFFFAOYSA-N 3-ethyl-3-(phenoxymethyl)oxetane Chemical compound C=1C=CC=CC=1OCC1(CC)COC1 JUXZNIDKDPLYBY-UHFFFAOYSA-N 0.000 description 2
- VATRWWPJWVCZTA-UHFFFAOYSA-N 3-oxo-n-[2-(trifluoromethyl)phenyl]butanamide Chemical compound CC(=O)CC(=O)NC1=CC=CC=C1C(F)(F)F VATRWWPJWVCZTA-UHFFFAOYSA-N 0.000 description 2
- 239000004322 Butylated hydroxytoluene Substances 0.000 description 2
- XWCDCDSDNJVCLO-UHFFFAOYSA-N Chlorofluoromethane Chemical compound FCCl XWCDCDSDNJVCLO-UHFFFAOYSA-N 0.000 description 2
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
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- RYYWUUFWQRZTIU-UHFFFAOYSA-N Thiophosphoric acid Chemical class OP(O)(S)=O RYYWUUFWQRZTIU-UHFFFAOYSA-N 0.000 description 2
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- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
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- 150000008378 aryl ethers Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
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- 238000009835 boiling Methods 0.000 description 2
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- GVJHHUAWPYXKBD-UHFFFAOYSA-N d-alpha-tocopherol Natural products OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
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- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 2
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- 239000008240 homogeneous mixture Substances 0.000 description 2
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- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
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- 239000010452 phosphate Substances 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 2
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- 230000000087 stabilizing effect Effects 0.000 description 2
- ACTRVOBWPAIOHC-UHFFFAOYSA-N succimer Chemical compound OC(=O)C(S)C(S)C(O)=O ACTRVOBWPAIOHC-UHFFFAOYSA-N 0.000 description 2
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- SCHZCUMIENIQMY-UHFFFAOYSA-N tris(trimethylsilyl)silicon Chemical compound C[Si](C)(C)[Si]([Si](C)(C)C)[Si](C)(C)C SCHZCUMIENIQMY-UHFFFAOYSA-N 0.000 description 2
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
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- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 description 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 1
- HSCUAAMDKDZZKG-UHFFFAOYSA-N (2,5-difluorophenyl)-phenylmethanone Chemical compound FC1=CC=C(F)C(C(=O)C=2C=CC=CC=2)=C1 HSCUAAMDKDZZKG-UHFFFAOYSA-N 0.000 description 1
- MAOBFOXLCJIFLV-UHFFFAOYSA-N (2-aminophenyl)-phenylmethanone Chemical compound NC1=CC=CC=C1C(=O)C1=CC=CC=C1 MAOBFOXLCJIFLV-UHFFFAOYSA-N 0.000 description 1
- VMHYWKBKHMYRNF-UHFFFAOYSA-N (2-chlorophenyl)-phenylmethanone Chemical compound ClC1=CC=CC=C1C(=O)C1=CC=CC=C1 VMHYWKBKHMYRNF-UHFFFAOYSA-N 0.000 description 1
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- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
- C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
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- 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
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- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
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- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
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- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
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- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—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
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- C10M2207/28—Esters
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- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol or ester thereof; bound to an aldehyde, ketonic, ether, ketal or acetal radical
- C10M2209/043—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol or ester thereof; bound to an aldehyde, ketonic, ether, ketal or acetal radical used as base material
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- C10M2209/1023—Polyesters used as base material
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- C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
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Description
本明細書で使用するとき、伝熱流体(伝熱媒体とも呼ばれる)という用語は、熱源からヒートシンクへ熱を運ぶために使用される組成物を意味する。
冷媒業界は、許容可能な性能及び環境持続可能性を提供する新規冷媒製品の開発に奮闘している。新たな地球温暖化規制により、新たな冷媒組成物に関する地球温暖化係数(GWP)の上限が課される可能性がある。したがって、本業界では、冷却及び加熱の良好な性能も提供する、低GWP、低毒性、低オゾン破壊係数(ODP)である成分を見出す必要がある。長年にわたってR-22の代替品としてR-410A(50重量パーセントのHFC-32と50重量パーセントのHFC-125とのブレンド)が空調及びヒートポンプに使用されてきたが、これはGWPが高すぎることから代替される必要がある。本明細書に記載される組成物は、従来提案されている代替冷媒よりも低いGWPを有するそのような代替品を提供するものである。
本明細書に開示する組成物は、伝熱組成物又は冷媒として有用である。特に、HFC-32、HFO-1234yf、及びCO2から本質的になる冷媒混合物を含む組成物は、冷媒として有用である。また、HFC-32、HFO-1234yf、及びCO2から本質的になる冷媒混合物を含む組成物は、冷却、空調、又はヒートポンプシステムにおけるR-410Aの代替品として有用である。特に、HFC-32、HFO-1234yf、及びCO2から本質的になる冷媒混合物を含む組成物は、空調及びヒートポンプシステム並びに機器におけるR-410Aの代替品として有用である。あるいは、HFC-32、HFO-1234yf、及びCO2からなる冷媒混合物を含む組成物は、空調及びヒートポンプシステム並びに機器におけるR-410Aの代替品として有用である。更に、HFC-32、HFO-1234yf、及びCO2から本質的になる冷媒混合物を含む組成物は、冷却システム及び機器におけるR-410Aの代替品として有用である。更に、HFC-32、HFO-1234yf、及びCO2からなる冷媒混合物を含む組成物は、冷却システム及び機器におけるR-410Aの代替品として有用である。また、冷却システム及び機器における本発明の組成物の使用は、低温冷却及び中温冷却での使用に適用される。
冷却性能
本発明の組成物の、空調及びヒートポンプ機器の典型的な条件における冷却性能を測定し、R-410Aと比較して表1に示す。GWP値は、Intergovernmental Panel on Climate Change(IPCC)Fourth Assessment Report,Working Group I,2007(AR4)からの値である。平均温度勾配(平均温度勾配:蒸発器内の温度勾配と凝縮器内の温度勾配の平均)、冷却容量(容量)、及び圧縮機放出温度(Compr Disch Temp)は、以下の特定の条件における本発明の組成物の物理的特性の測定値から計算される。
蒸発器温度 50°F(10℃)
凝縮器温度 115°F(46.1℃)
過熱量 20°F(11.1K)
過冷却量 15°F(8.3K)
圧縮機の効率 70%
実施形態A1:ジフルオロメタン、2,3,3,3-テトラフルオロプロペン、及び二酸化炭素から本質的になる、R-410Aを代替するための冷媒混合物を含む、組成物。
Claims (7)
- R-410Aを代替するための冷媒混合物を含む組成物であって、前記冷媒混合物が、44重量パーセントのジフルオロメタン、49重量パーセントの2,3,3,3-テトラフルオロプロペン、及び7重量パーセントの二酸化炭素から本質的になる、組成物。
- R-410Aを代替するための冷媒混合物を含む組成物であって、前記冷媒混合物が、44重量パーセントのジフルオロメタン、53重量パーセントの2,3,3,3-テトラフルオロプロペン、及び3重量パーセントの二酸化炭素から本質的になる、組成物。
- 潤滑剤、染料、可溶化剤、相溶化剤、安定剤、トレーサー、摩耗防止剤、極圧添加剤、腐食及び酸化防止剤、金属表面エネルギー減少剤、金属表面不活性化剤、フリーラジカル捕捉剤、泡制御剤、粘度指数向上剤、流動点降下剤、洗剤、粘度調節剤、並びにこれらの混合物からなる群から選択される1つ以上の成分を更に含む、請求項1又は2に記載の組成物。
- 冷却を生じるプロセスであって、請求項1又は2に記載の組成物を凝縮させることと、その後、冷却しようとする物体の近傍で前記組成物を蒸発させることと、を含む、プロセス。
- 加熱を生じるプロセスであって、請求項1又は2に記載の組成物を蒸発させることと、その後、加熱しようとする物体の近傍で前記組成物を凝縮させることと、を含む、プロセス。
- 空調又はヒートポンプシステムにおけるR-410Aを代替する方法であって、請求項1又は2に記載の組成物を、前記空調又はヒートポンプシステムにおける前記R-410Aの代替品として提供することを含む、方法。
- 請求項1又は2に記載の組成物を含むことを特徴とする、蒸発器、圧縮機、凝縮器、及び膨張装置を備えた空調又はヒートポンプシステム。
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