CN109897605B - Compositions comprising fluoroolefins - Google Patents
Compositions comprising fluoroolefins Download PDFInfo
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- CN109897605B CN109897605B CN201910001116.XA CN201910001116A CN109897605B CN 109897605 B CN109897605 B CN 109897605B CN 201910001116 A CN201910001116 A CN 201910001116A CN 109897605 B CN109897605 B CN 109897605B
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- refrigeration
- refrigerant
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- 239000000203 mixture Substances 0.000 title claims abstract description 287
- 238000005057 refrigeration Methods 0.000 claims abstract description 80
- 238000000034 method Methods 0.000 claims abstract description 59
- 238000004378 air conditioning Methods 0.000 claims abstract description 58
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 239000003507 refrigerant Substances 0.000 claims description 101
- -1 polyol esters Chemical class 0.000 claims description 58
- 150000001875 compounds Chemical class 0.000 claims description 44
- 239000000314 lubricant Substances 0.000 claims description 43
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 claims description 38
- 229930195733 hydrocarbon Natural products 0.000 claims description 34
- 239000002904 solvent Substances 0.000 claims description 29
- 239000007850 fluorescent dye Substances 0.000 claims description 20
- 150000002596 lactones Chemical class 0.000 claims description 19
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 claims description 19
- 239000000700 radioactive tracer Substances 0.000 claims description 19
- 150000002576 ketones Chemical class 0.000 claims description 18
- 150000001408 amides Chemical class 0.000 claims description 15
- 150000002148 esters Chemical class 0.000 claims description 15
- 239000013529 heat transfer fluid Substances 0.000 claims description 15
- 150000002430 hydrocarbons Chemical class 0.000 claims description 15
- 150000002825 nitriles Chemical class 0.000 claims description 15
- 229920005862 polyol Polymers 0.000 claims description 15
- 239000002480 mineral oil Substances 0.000 claims description 14
- 229920001774 Perfluoroether Polymers 0.000 claims description 13
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims description 13
- 150000008378 aryl ethers Chemical class 0.000 claims description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 11
- FXRLMCRCYDHQFW-UHFFFAOYSA-N 2,3,3,3-tetrafluoropropene Chemical compound FC(=C)C(F)(F)F FXRLMCRCYDHQFW-UHFFFAOYSA-N 0.000 claims description 10
- 150000004996 alkyl benzenes Chemical class 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 9
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 6
- 229920013639 polyalphaolefin Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000000873 masking effect Effects 0.000 claims description 5
- 229920001515 polyalkylene glycol Polymers 0.000 claims description 5
- 229920001289 polyvinyl ether Polymers 0.000 claims description 5
- 239000002516 radical scavenger Substances 0.000 claims description 5
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- VVZRKVYGKNFTRR-UHFFFAOYSA-N 12h-benzo[a]xanthene Chemical class C1=CC=CC2=C3CC4=CC=CC=C4OC3=CC=C21 VVZRKVYGKNFTRR-UHFFFAOYSA-N 0.000 claims description 3
- OALHHIHQOFIMEF-UHFFFAOYSA-N 3',6'-dihydroxy-2',4',5',7'-tetraiodo-3h-spiro[2-benzofuran-1,9'-xanthene]-3-one Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC(I)=C(O)C(I)=C1OC1=C(I)C(O)=C(I)C=C21 OALHHIHQOFIMEF-UHFFFAOYSA-N 0.000 claims description 3
- 150000001454 anthracenes Chemical class 0.000 claims description 3
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N benzo-alpha-pyrone Natural products C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 claims description 3
- XJHABGPPCLHLLV-UHFFFAOYSA-N benzo[de]isoquinoline-1,3-dione Chemical class C1=CC(C(=O)NC2=O)=C3C2=CC=CC3=C1 XJHABGPPCLHLLV-UHFFFAOYSA-N 0.000 claims description 3
- 235000001671 coumarin Nutrition 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 150000002979 perylenes Chemical class 0.000 claims description 3
- 150000002987 phenanthrenes Chemical class 0.000 claims description 3
- 150000005075 thioxanthenes Chemical class 0.000 claims description 3
- 150000003732 xanthenes Chemical class 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 150000001299 aldehydes Chemical class 0.000 claims description 2
- 150000002443 hydroxylamines Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 150000002989 phenols Chemical class 0.000 claims description 2
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 2
- 150000003573 thiols Chemical class 0.000 claims description 2
- 150000004775 coumarins Chemical class 0.000 claims 1
- 150000005218 dimethyl ethers Chemical class 0.000 claims 1
- LYGJENNIWJXYER-BJUDXGSMSA-N nitromethane Chemical group [11CH3][N+]([O-])=O LYGJENNIWJXYER-BJUDXGSMSA-N 0.000 claims 1
- 239000001272 nitrous oxide Chemical class 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 10
- 230000001629 suppression Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 6
- 239000003380 propellant Substances 0.000 abstract description 5
- 239000004604 Blowing Agent Substances 0.000 abstract description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 55
- 125000001931 aliphatic group Chemical group 0.000 description 39
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 32
- 125000001183 hydrocarbyl group Chemical group 0.000 description 32
- 229910052739 hydrogen Inorganic materials 0.000 description 32
- 239000004215 Carbon black (E152) Substances 0.000 description 24
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 24
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 24
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 24
- 239000001257 hydrogen Substances 0.000 description 23
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 22
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 21
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 18
- 239000000975 dye Substances 0.000 description 18
- 229910002092 carbon dioxide Inorganic materials 0.000 description 16
- 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 15
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 15
- 125000002723 alicyclic group Chemical group 0.000 description 15
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 description 15
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 14
- VPAYJEUHKVESSD-UHFFFAOYSA-N trifluoroiodomethane Chemical compound FC(F)(F)I VPAYJEUHKVESSD-UHFFFAOYSA-N 0.000 description 14
- 229910052799 carbon Inorganic materials 0.000 description 13
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 13
- 238000004880 explosion Methods 0.000 description 13
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 13
- 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 12
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 12
- 238000001816 cooling Methods 0.000 description 12
- 239000001282 iso-butane Substances 0.000 description 12
- 239000001294 propane Substances 0.000 description 12
- UJPMYEOUBPIPHQ-UHFFFAOYSA-N 1,1,1-trifluoroethane Chemical compound CC(F)(F)F UJPMYEOUBPIPHQ-UHFFFAOYSA-N 0.000 description 11
- NPNPZTNLOVBDOC-UHFFFAOYSA-N 1,1-difluoroethane Chemical compound CC(F)F NPNPZTNLOVBDOC-UHFFFAOYSA-N 0.000 description 11
- 239000000654 additive Substances 0.000 description 11
- 125000004122 cyclic group Chemical group 0.000 description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 11
- 239000003921 oil Substances 0.000 description 11
- 150000003077 polyols Chemical class 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- WZLFPVPRZGTCKP-UHFFFAOYSA-N 1,1,1,3,3-pentafluorobutane Chemical compound CC(F)(F)CC(F)(F)F WZLFPVPRZGTCKP-UHFFFAOYSA-N 0.000 description 10
- AHFMSNDOYCFEPH-UHFFFAOYSA-N 1,2-difluoroethane Chemical compound FCCF AHFMSNDOYCFEPH-UHFFFAOYSA-N 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- UHCBBWUQDAVSMS-UHFFFAOYSA-N fluoroethane Chemical compound CCF UHCBBWUQDAVSMS-UHFFFAOYSA-N 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 9
- 125000003118 aryl group Chemical group 0.000 description 9
- 238000009835 boiling Methods 0.000 description 9
- 125000001309 chloro group Chemical group Cl* 0.000 description 9
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 125000001153 fluoro group Chemical group F* 0.000 description 9
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 9
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 9
- 239000006260 foam Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 7
- 125000000743 hydrocarbylene group Chemical group 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 7
- 238000010792 warming Methods 0.000 description 7
- WXGNWUVNYMJENI-UHFFFAOYSA-N 1,1,2,2-tetrafluoroethane Chemical compound FC(F)C(F)F WXGNWUVNYMJENI-UHFFFAOYSA-N 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 125000005842 heteroatom Chemical group 0.000 description 6
- 235000010446 mineral oil Nutrition 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 5
- 125000002947 alkylene group Chemical group 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 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
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 5
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 5
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 235000019645 odor Nutrition 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 5
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 5
- 150000003254 radicals Chemical class 0.000 description 5
- 229930195734 saturated hydrocarbon Natural products 0.000 description 5
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 5
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 5
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 4
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 4
- 125000002619 bicyclic group Chemical group 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 125000002704 decyl 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])* 0.000 description 4
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 4
- 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 4
- 239000012530 fluid Substances 0.000 description 4
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 4
- 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 4
- 125000002347 octyl 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])[H] 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 125000002948 undecyl 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])[H] 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003205 fragrance Substances 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 125000003944 tolyl group Chemical group 0.000 description 3
- DYLIWHYUXAJDOJ-OWOJBTEDSA-N (e)-4-(6-aminopurin-9-yl)but-2-en-1-ol Chemical compound NC1=NC=NC2=C1N=CN2C\C=C\CO DYLIWHYUXAJDOJ-OWOJBTEDSA-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
- DPZNOMCNRMUKPS-UHFFFAOYSA-N 1,3-Dimethoxybenzene Chemical compound COC1=CC=CC(OC)=C1 DPZNOMCNRMUKPS-UHFFFAOYSA-N 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
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-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
- 125000004066 1-hydroxyethyl group Chemical group [H]OC([H])([*])C([H])([H])[H] 0.000 description 2
- UWNADWZGEHDQAB-UHFFFAOYSA-N 2,5-dimethylhexane Chemical group CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 2
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 2
- RHLVCLIPMVJYKS-UHFFFAOYSA-N 3-octanone Chemical compound CCCCCC(=O)CC RHLVCLIPMVJYKS-UHFFFAOYSA-N 0.000 description 2
- NMSQHDLIUSFSPZ-UHFFFAOYSA-N 5-methyl-1-pentylpiperidin-2-one Chemical compound CCCCCN1CC(C)CCC1=O NMSQHDLIUSFSPZ-UHFFFAOYSA-N 0.000 description 2
- FFWSICBKRCICMR-UHFFFAOYSA-N 5-methyl-2-hexanone Chemical compound CC(C)CCC(C)=O FFWSICBKRCICMR-UHFFFAOYSA-N 0.000 description 2
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000004322 Butylated hydroxytoluene Substances 0.000 description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 2
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- 230000008901 benefit Effects 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
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 2
- 229940095259 butylated hydroxytoluene Drugs 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- ULDHMXUKGWMISQ-UHFFFAOYSA-N carvone Chemical compound CC(=C)C1CC=C(C)C(=O)C1 ULDHMXUKGWMISQ-UHFFFAOYSA-N 0.000 description 2
- 235000019406 chloropentafluoroethane Nutrition 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 125000000332 coumarinyl group Chemical class O1C(=O)C(=CC2=CC=CC=C12)* 0.000 description 2
- 125000002592 cumenyl group Chemical group C1(=C(C=CC=C1)*)C(C)C 0.000 description 2
- 150000001924 cycloalkanes Chemical class 0.000 description 2
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/30—Materials not provided for elsewhere for aerosols
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Abstract
Compositions comprising fluoroolefins. The present invention relates to compositions for use in refrigeration, air-conditioning and heat pump systems, wherein the compositions comprise a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing refrigeration or heat, as heat transfer liquids, blowing agents, atomizing propellants, and fire suppression and extinguishing agents.
Description
Information of related applications
The present application is a divisional application of Chinese patent application 201510623155.5, the aforementioned Chinese patent application 201510623155.5 is a divisional application of an invention patent application having an international application number of PCT/US2006/008164, an international application date of 2006, 3 months and 3 days, and an invention name of "fluoroolefin-containing composition", and a national application number of 2006800154380 obtained when the original application entered the Chinese country.
This application claims priority benefits from U.S. provisional application 60/658,543 filed on 3/4/2005, U.S. provisional application 60/710,439 filed on 8/23/2005, and U.S. provisional application 60/732,769 filed on 11/1/2005.
Technical Field
The present invention relates to compositions for use in refrigeration, air-conditioning and heat pump systems, wherein the compositions comprise a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing refrigeration or heat, as heat transfer fluids, blowing agents, aerosol propellants and extinguishing and fire extinguishing agents.
Background
The refrigeration industry has endeavored in the past for decades to find replacement refrigerants for the ozone depleting chlorofluorocarbons (CFCs) and Hydrochlorofluorocarbons (HCFCs), which require a gradual decommissioning due to the montreal protocol. The solution for most refrigerant producers has been to industrialize Hydrofluorocarbon (HFC) refrigerants. The new HFC refrigerants (HFC-134a being the most widely used at present) have zero ozone depletion potential and are therefore not affected by the current regulatory mandates of the montreal protocol requiring gradual stopping.
Other environmental regulations may ultimately lead to global outages of certain HFC refrigerants. Currently, the automotive industry is facing regulatory restrictions regarding global warming potential for refrigerants used in mobile air conditioning. Thus, there is currently a great need for the mobile air conditioning market to identify new refrigerants that reduce global warming potential. If this legislation is more widely applied in the future, there is an even more urgent need for refrigerants that can be used in all fields of the refrigeration and air conditioning industry.
Currently proposed refrigerants for replacing HFC-134a include HFC-152a, pure hydrocarbons such as butane or propane, or "natural" refrigerants such as CO2. Many of these proposed alternatives are toxic, flammable, and/or have low energy efficiency. Therefore, new replacement refrigerants are being sought.
It is an object of the present invention to provide novel refrigerant compositions and heat transfer fluid compositions that provide unique characteristics to meet the requirements of low or zero ozone depletion potential and provide lower global warming potential compared to current refrigerants.
Summary of the invention
The present invention relates to a composition comprising HFC-1225ye and at least one compound selected from the group consisting of:
HFC-1234ze, HFC-1234yf, HFC-1234ye, HFC-1243zf, HFC-32, HFC-125, HFC-134a, HFC-143a, HFC-152a, HFC-161, HFC-227ea, HFC-236fa, HFC-245fa, HFC-365mfc, propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentane, dimethyl ether, CF3SCF3、CO2And CF3I。
The invention further relates to compositions comprising HFC-1234ze and at least one compound selected from the group consisting of: HFC-1234yf, HFC-1234ye, HFC-1243zf, HFC-32, HFC-125, HFC-134a, HFC-143a, HFC-152a, HFC-161, HFC-227ea, HFC-236fa, HFC-245fa, HFC-365mfc, propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentane, dimethyl ether, CF3SCF3、CO2And CF3I。
The invention further relates to a composition comprising HFC-1234yf and at least one compound selected from the group consisting of: HFC-1234ye, HFC-1243zf, HFC-32, HFC-125, HFC-134a, HFC-143a, HFC-152a, HFC-161, HFC-227ea, HFC-236fa, HFC-245fa, HFC-365mfc, propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentane, dimethyl ether, CF3SCF3、CO2And CF3I。
The invention further relates to a composition comprising HFC-1234ye and at least one compound selected from the group consisting of: HFC-1243zf, HFC-32, HFC-125, HFC-134a, HFC-143a, HFC-152a, HFC-161, HFC-227ea, HFC-236fa, HFC-245fa, HFC-365mfc, propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentane, dimethyl ether, CF3SCF3、CO2And CF3I。
The invention further relates to a composition comprising HFC-1243zf and at least one compound selected from the group consisting of: HFC-32, HFC-125, HFC-134a, HFC-143a, HFC-152a, HFC-161, HFC-227ea, HFC-236fa, HFC-245fa, HFC-365mfc, propane, n-butane, isobutane, 2-methylbutane, n-methylbutanePentane, cyclopentane, dimethyl ether, CF3SCF3、CO2And CF3I。
The invention further relates to a composition comprising:
(a) at least one lubricant selected from the group consisting of polyol esters, polyalkylene glycols, polyvinyl ethers, mineral oils, alkylbenzenes, synthetic paraffins, synthetic naphthenes, and poly (alpha) olefins; and
(b) a composition selected from the group consisting of:
from about 1 wt% to about 99 wt% HFC1225ye and from about 99 wt% to about 1 wt% HFC-152 a;
from about 1 wt% to about 99 wt% HFC1225ye and from about 99 wt% to about 1 wt% HFC-1234 yf;
from about 1 wt% to about 99 wt% HFC1225ye and from about 99 wt% to about 1 wt% trans-HFC-1234 ze;
from about 1 wt% to about 99 wt% HFC-1225ye and from about 99 wt% to about 1 wt% HFC-1243 zf;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-134 a;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-152 a;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-227 ea; and
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% CF3I。
The invention further relates to a composition comprising:
a) a refrigerant or heat transfer fluid composition selected from the group consisting of:
from about 1 wt% to about 99 wt% HFC1225ye and from about 99 wt% to about 1 wt% HFC-152 a;
from about 1 wt% to about 99 wt% HFC1225ye and from about 99 wt% to about 1 wt% HFC-1234 yf;
from about 1 wt% to about 99 wt% HFC-1225ye and from about 99 wt% to about 1 wt% trans-HFC-1234 ze;
from about 1 wt% to about 99 wt% HFC-1225ye and from about 99 wt% to about 1 wt% HFC-1243 zf;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-134 a;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-152 a;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-227 ea; adding
From about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% CF3I; and
a compatibilizer selected from the group consisting of:
i) from the general formula R1[(OR2)xOR3]y represents a polyoxyalkylene glycol ether wherein: x is an integer from 1 to 3; y is an integer from 1 to 4; r1Selected from hydrogen and aliphatic hydrocarbon radicals containing from 1 to 6 carbon atoms and y bonding sites; r2Selected from aliphatic hydrocarbylene groups having from 2 to 4 carbon atoms; r3Selected from hydrogen and aliphatic and alicyclic hydrocarbon radicals containing from 1 to 6 carbon atoms; r1And R3At least one is selected from the group consisting of said hydrocarbyl groups; and wherein the polyoxyalkylene glycol ether has a molecular weight of about 100 to about 300 atomic mass units;
ii) from the general formula R1C(O)NR2R3And ring- [ R4CON(R5)-]An amide of wherein R1、R2、R3And R5Independently selected from aliphatic and alicyclic hydrocarbon groups having 1 to 12 carbon atoms, and up to one aromatic group having 6 to 12 carbon atoms; r4Selected from aliphatic hydrocarbylene groups having from 3 to 12 carbon atoms; and wherein the amide has a molecular weight of about 100 to about 300 atomic mass units;
iii) from the general formula R1C(O)R2A ketone of formula (I), wherein R1And R2Independently selected from aliphatic, alicyclic, and aryl hydrocarbon radicals containing from 1 to 12 carbon atoms, and wherein said ketone has a molecular weight of from about 70 to about 300 atomic mass units;
iv) from the general formula R1A nitrile represented by CN, wherein R1Selected from aliphatic, alicyclic or aromatic hydrocarbon radicals having 5 to 12 carbon atoms, and wherein said nitrile hasHas a molecular weight of about 90 to about 200 atomic mass units;
v) chlorinated hydrocarbons represented by the general formula RClx, wherein: x is 1 or 2; r is selected from aliphatic and alicyclic hydrocarbon radicals containing 1 to 12 carbon atoms; and wherein the chlorinated hydrocarbon has a molecular weight of about 100 to about 200 atomic mass units;
vi) from the general formula R1OR2An aryl ether of the formula (I) wherein: r1Selected from arylalkyl groups containing from 6 to 12 carbon atoms; r2Selected from aliphatic hydrocarbon groups containing 1 to 4 carbon atoms; and wherein the aryl ether has a molecular weight of about 100 to about 150 atomic mass units;
vii) from the general formula CF3R11,1, 1-trifluoroalkane of the formula, wherein R1Selected from aliphatic and alicyclic hydrocarbon radicals containing from about 5 to about 15 carbon atoms;
viii) from the general formula R1OCF2CF2Fluoroether represented by H, wherein R1Selected from aliphatic, alicyclic, and aromatic hydrocarbon radicals containing from about 5 to about 15 carbon atoms; or wherein the fluoroether is derived from a fluoroolefin and a polyol, wherein the fluoroolefin has CF2A form CXY wherein X is hydrogen, chloro or fluoro and Y is chloro, fluoro, CF3OR ORfWherein R isfIs CF3、C2F5Or C3F7(ii) a And the polyol is linear or branched, wherein the linear polyol has a HOCH2(CHOH)x(CRR′)yCH2OH form, wherein R and R' are hydrogen, CH3Or C2H5X is an integer of 0 to 4, y is an integer of 0 to 3, z is 0 or 1, and the branched polyol has C (OH) t (R) u (CH)2OH)v[(CH2)mCH2OH]w type, wherein R can be hydrogen, CH3Or C2H5M is an integer from 0 to 3, t and u are 0 or 1, v and w are integers from 0 to 4, further wherein t + u + v + w is 4; and
ix) a lactone represented by the structures [ B ], [ C ] and [ D ]:
wherein R is1-R8Independently selected from hydrogen, linear, branched, cyclic, bicyclic, saturated and unsaturated hydrocarbyl groups; and a molecular weight of about 100 to about 300 atomic mass units; and
x) from the general formula R1CO2R2An ester of wherein R1And R2Independently selected from linear and cyclic, saturated and unsaturated, alkyl and aryl; and wherein the ester has a molecular weight of from about 80 to about 550 atomic mass units.
The invention further relates to a composition comprising:
(a) at least one ultraviolet fluorescent dye selected from the group consisting of naphthalimides, perylenes, coumarins, anthracenes, phenanthrenes, xanthenes, thioxanthenes, benzoxanthenes, fluoresceins, derivatives of said dyes, and combinations thereof; and
(b) a composition selected from the group consisting of:
from about 1 wt% to about 99 wt% HFC1225ye and from about 99 wt% to about 1 wt% HFC-152 a;
from about 1 wt% to about 99 wt% HFC1225ye and from about 99 wt% to about 1 wt% HFC-1234 yf;
from about 1 wt% to about 99 wt% HFC1225ye and from about 99 wt% to about 1 wt% trans-HFC-1234 ze;
from about 1 wt% to about 99 wt% HFC-1225ye and from about 99 wt% to about 1 wt% HFC-1243 zf;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-134 a;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-152 a;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-227 ea; and
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% CF3I。
The present invention further relates to a method of solubilizing a refrigerant or heat transfer fluid composition in a refrigeration lubricant selected from the group consisting of mineral oil, alkylbenzene, synthetic paraffin, synthetic cycloalkane, and poly (alpha) olefin, wherein said method comprises contacting said lubricant with said refrigerant or heat transfer fluid composition in the presence of an effective amount of a compatibilizer, wherein said refrigerant or heat transfer fluid comprises a composition selected from the group consisting of:
from about 1 wt% to about 99 wt% HFC-1225ye and from about 99 wt% to about 1 wt% HFC-152 a;
from about 1 wt% to about 99 wt% HFC-1225ye and from about 99 wt% to about 1 wt% HFC-1234 yf;
from about 1 wt% to about 99 wt% HFC-1225ye and from about 99 wt% to about 1 wt% trans-HFC-1234 ze;
from about 1 wt% to about 99 wt% HFC-1225ye and from about 99 wt% to about 1 wt% HFC-1243 zf;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-134 a;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-152 a;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-227 ea; and
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% CF 3I;
and wherein the compatibilizer is selected from:
a) from the general formula R1[(OR2)xOR3]y represents a polyoxyalkylene glycol ether wherein: x is an integer from 1 to 3; y is an integer from 1 to 4; r1Selected from hydrogen and aliphatic hydrocarbon radicals containing from 1 to 6 carbon atoms and y bonding sites; r2Selected from aliphatic hydrocarbylene groups having from 2 to 4 carbon atoms; r3 is selected from the group consisting of hydrogen and aliphatic and alicyclic hydrocarbon groups containing 1 to 6 carbon atoms; r1And R3At least one is selected from the group consisting of said hydrocarbyl groups; and wherein the polyoxyalkylene glycol ether has a molecular weight of about 100 to about 300 atomic mass units;
b) from the general formula R1C(O)NR2R3And ring- [ R4CON(R5)-]An amide of wherein R1、R2、R3And R5Independently selected from 1 to 12 carbon atomsAliphatic and cycloaliphatic hydrocarbon radicals, and up to one aromatic radical containing from 6 to 12 carbon atoms; r4Selected from aliphatic hydrocarbylene groups having from 3 to 12 carbon atoms; and wherein the amide has a molecular weight of about 100 to about 300 atomic mass units;
c) from the general formula R1C(O)R2A ketone of formula (I), wherein R1And R2Independently selected from aliphatic, alicyclic, and aryl hydrocarbon radicals containing from 1 to 12 carbon atoms, and wherein said ketone has a molecular weight of from about 70 to about 300 atomic mass units;
d) from the general formula R1A nitrile represented by CN, wherein R1Selected from aliphatic, alicyclic, or aryl hydrocarbon groups containing 5 to 12 carbon atoms and wherein said nitrile has a molecular weight of about 90 to about 200 atomic mass units;
e) a chlorinated hydrocarbon represented by the general formula RClx, wherein: x is 1 or 2; r is selected from aliphatic and alicyclic hydrocarbon radicals containing 1 to 12 carbon atoms; and wherein the chlorinated hydrocarbon has a molecular weight of about 100 to about 200 atomic mass units;
f) from the general formula R1OR2An aryl ether of the formula (I) wherein: r1Selected from arylalkyl groups containing from 6 to 12 carbon atoms; r2Selected from aliphatic hydrocarbon groups containing 1 to 4 carbon atoms; and wherein the aryl ether has a molecular weight of about 100 to about 150 atomic mass units;
g) from the general formula CF3R11,1, 1-trifluoroalkane of the formula, wherein R1Selected from aliphatic and alicyclic hydrocarbon radicals containing from about 5 to about 15 carbon atoms;
h) from the general formula R1OCF2CF2Fluoroether represented by H, wherein R1Selected from aliphatic and alicyclic hydrocarbon radicals containing from about 5 to about 15 carbon atoms; or wherein the fluoroether is derived from a fluoroolefin and a polyol, wherein the fluoroolefin has CF2A form CXY wherein X is hydrogen, chloro or fluoro and Y is chloro, fluoro, CF3OR ORfWherein R isfIs CF3、C2F5Or C3F7(ii) a And the linear polyol has a HOCH2CRR′(CH2)z(CHOH)XCH2(CH2OH) y form wherein R and R' are hydrogen, CH3Or C2H5X is an integer from 0 to 4, y is an integer from 0 to 3, z is 0 or 1; and
i) a lactone represented by structures [ B ], [ C ] and [ D ]:
wherein R is1-R8Independently selected from hydrogen, linear, branched, cyclic, bicyclic, saturated and unsaturated hydrocarbyl groups; and a molecular weight of about 100 to about 300 atomic mass units; and
j) from the general formula R1CO2R2An ester of wherein R1And R2Independently selected from linear, linear and cyclic, saturated and unsaturated, alkyl and aryl; and wherein the ester has a molecular weight of from about 80 to about 550 atomic mass units.
The invention further relates to a method for replacing a high GWP refrigerant in a refrigeration, air-conditioning or heat pump apparatus, wherein the high GWP refrigerant is selected from the group consisting of R134a, R22, R123, R11, R245fa, R114, R236fa, R124, R12, R410A, R407C, R417A, R422A, R507A, R502 and R404A, the method comprising admixing a composition selected from the group consisting of
From about 1 wt% to about 99 wt% HFC-1225ye and from about 99 wt% to about 1 wt% HFC-152 a;
from about 1 wt% to about 99 wt% HFC1225ye and from about 99 wt% to about 1 wt% HFC-1234 yf;
from about 1 wt% to about 99 wt% HFC-1225ye and from about 99 wt% to about 1 wt% trans-HFC-1234 ze;
from about 1 wt% to about 99 wt% HFC-1225ye and from about 99 wt% to about 1 wt% HFC-1243 zf;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-134 a;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-152 a;
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% HFC-227 ea; and
from about 1 wt% to about 99 wt% trans-HFC-1234 ze and from about 99 wt% to about 1 wt% CF 3I;
to said refrigeration, air-conditioning or heat pump apparatus using, used for, or designed to use said high GWP refrigerant.
The invention further relates to a method for early detection of refrigerant leaks in refrigeration, air-conditioning or heat pump apparatus, said method comprising using a non-azeotropic composition in said apparatus and monitoring the reduction in cooling performance.
Detailed description of the invention
The present invention relates to compositions comprising at least one fluoroolefin. The compositions of the present invention further comprise at least one additional component which may be a second fluoroolefin, a Hydrofluorocarbon (HFC), a hydrocarbon, dimethyl ether, bis (trifluoromethyl) sulfide, CF3I or CO2. The fluoroolefin compounds and other components of the compositions of the present invention are listed in Table 1.
TABLE 1
The components listed in table 1 may be prepared by methods known in the art.
The fluoroolefin compounds (HFC-1225ye, HFC-1234ze and HFC-1234ye) used in the compositions of the present invention may exist as isomers or stereoisomers in different configurations. The present invention is intended to include all single configurational isomers, single stereoisomers, or any combination or mixture thereof. For example, 1, 3, 3, 3-tetrafluoropropene (HFC-1234ze) is meant to indicate the cis isomer, the trans isomer, or any combination or mixture of these two isomers in any ratio. Another example is HFC-1225ye, which is represented by the cis isomer, the trans isomer, or any combination or mixture of these two isomers in any ratio.
The compositions of the present invention comprise the following: HFC-1225ye and at least one compound selected from the group consisting of: HFC-1234ze, HFC-1234yf, HFC-1234ye, HFC-1243zf, HFC-32, HFC-125, HFC-134a, HFC-143a, HFC-152a, HFC-161, HFC-227ea, HFC-236fa, HFC-245fa, HFC-365mfc, propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentane, dimethyl ether, CF3SCF3、CO2And CF3I；
HFC-1234ze and at least one compound selected from the group consisting of: HFC-1225ye, HFC-1234yf, HFC-1234ye, HFC-1243zf, HFC-32, HFC-125, HFC-134a, HFC-143a, HFC-152a, HFC-161, HFC-227ea, HFC-236fa, HFC-245fa, HFC-365mfc, propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentane, dimethyl ether, CF3SCF3、CO2And CF3I；
HFC-1234yf and at least one compound selected from the group consisting of: HFC-1234ye, HFC-1243zf, HFC-32, HFC-125, HFC-134a, HFC-143a, HFC-152a, HFC-161, HFC-227ea, HFC-236fa, HFC-245fa, HFC-365mfc, propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentane, dimethyl ether, CF3SCF3、CO2And CF3I; and
HFC-1243zf and at least one compound selected from the group consisting of: HFC-1234ye, HFC-32, HFC-125, HFC-134a, HFC-143a, HFC-152a, HFC-161, HFC-227ea, HFC-236fa, HFC-245fa, HFC-365mfc, propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentane, dimethyl ether, CF3SCF3、CO2And CF3I; and
HFC-1234ye and at least one compound selected from the group consisting of: HFC-32, HFC-125, HFC-134a, HFC-143a, HFC-152a, HFC-161, HFC-227ea, HFC-236fa, HFC-245fa, HFC-365mfc, propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentaneDimethyl ether, CF3SCF3、CO2And CF3I。
The compositions of the present invention may generally be useful when the fluoroolefin is present at a concentration of from about 1 wt% to about 99 wt%, preferably from about 20wt% to about 99 wt%, more preferably from about 40wt% to about 99 wt%, still more preferably from 50wt% to about 99 wt%.
The present invention further provides the compositions listed in table 2.
TABLE 2
The most preferred compositions of the present invention listed in Table 2 are generally expected to maintain the desired properties and functionality when the components are present at a concentration of +/-2 wt% as listed. When CO is present2CO, when present at the concentrations listed +/-0.2 wt.%2The composition of (a) will be expected to maintain the desired properties and functionality.
The compositions of the present invention may be azeotropic or near-azeotropic compositions. By azeotropic composition is meant a constant boiling mixture of two or more substances that behaves as a single substance. One way to characterize an azeotropic composition is that the vapor produced by partial evaporation or distillation of the liquid has the same composition as the liquid from which it was evaporated or distilled, i.e., the mixture distills/refluxes without compositional change. Constant boiling compositions are characterized as azeotropic compositions in that they exhibit a maximum or minimum boiling point as compared to the boiling point of a non-azeotropic mixture of the same compounds. Azeotropic compositions do not fractionate within the refrigeration or air conditioning system during operation, which can reduce the efficiency of the system. In addition, the azeotropic composition does not fractionate from the refrigeration or air conditioning system in the event of a leak. Where one component of the mixture is a flammable component, fractionation during a leak may produce a flammable composition within the system or outside the system.
Near-azeotropic compositions (also commonly referred to as "azeotrope-like compositions") are substantially constant boiling point liquid mixtures of two or more substances that behave essentially as a single substance. One way to characterize a near azeotropic composition is that the vapor produced by partial evaporation or distillation of the liquid has substantially the same composition as the liquid from which it was evaporated or distilled, i.e., the mixture distills/refluxes without significant compositional change. Another way to characterize a near-azeotropic composition is that the bubble point vapor pressure and the dew point vapor pressure of the composition at a particular temperature are substantially the same. Herein, a composition is near azeotropic if, after 50 weight percent of the composition is removed (e.g., by evaporation or boiling off), the difference in vapor pressure between the original composition and the composition remaining after 50 weight percent of the original composition has been removed is less than about 10 percent.
The azeotropic compositions of the present invention at the specified temperatures are shown in table 3.
TABLE 3
In addition, ternary azeotrope compositions as listed in table 4 have been found.
TABLE 4
The near azeotropic compositions of the present invention at the specified temperatures are listed in table 5.
TABLE 5
Ternary and higher order near azeotrope compositions comprising fluoroolefins as set forth in Table 6 have also been identified.
TABLE 6
Certain compositions of the present invention are non-azeotropic compositions. Those compositions of the present invention falling within the preferred ranges of table 2, but outside the near azeotropic ranges of tables 5 and 6, may be considered to be non-azeotropic.
Non-azeotropic compositions may have certain advantages over azeotropic or near-azeotropic mixtures. A non-azeotropic composition is a mixture of two or more substances that behaves as a mixture rather than as a single substance. One way to characterize a non-azeotropic composition is that the vapor produced by partial evaporation or distillation of the liquid has a significantly different composition than the liquid from which it was evaporated or distilled, i.e., the mixture distills/refluxes under a substantial change in composition. Another way to characterize a non-azeotropic composition is that the bubble point vapor pressure and the dew point vapor pressure of the composition at a particular temperature are significantly different. Herein, a composition is non-azeotropic if, after 50 weight percent of the composition has been removed (e.g., by evaporation or boiling), the difference in vapor pressure between the original composition and the composition remaining after 50 weight percent of the original composition has been removed is greater than about 10 percent.
The compositions of the present invention may be prepared by mixing the required amounts of the components by any suitable method. A preferred method is to weigh the amounts of the desired components and then mix the components in a suitable container. Stirring may be used if desired.
An alternative means of preparing the composition of the present invention may be a method of preparing a refrigerant blend composition, wherein the refrigerant blend composition comprises a composition disclosed herein, the method comprising: (i) recovering a substantial amount of one or more components of the refrigerant composition from at least one refrigerant vessel, (ii) removing impurities sufficient to enable reuse of said one or more recovered components, (iii) and optionally, mixing all or part of said recovered amount of components with at least one additional refrigerant composition or component.
The refrigerant container may be any container in which a refrigerant blend composition has been stored that has been used in a refrigeration apparatus, an air conditioning apparatus or a heat pump apparatus. The refrigerant container may be a refrigeration apparatus, an air conditioning apparatus or a heat pump apparatus in which the refrigerant blend is used. Further, the refrigerant container may be a reservoir for collecting the recovered refrigerant blend components, including but not limited to a pressurized gas cylinder.
Residual refrigerant refers to any quantity of refrigerant blend or refrigerant blend components that may be removed from the refrigerant container by any known method for delivering a refrigerant blend or refrigerant blend components.
The impurities may be any component in the refrigerant blend or refrigerant blend component due to its use in a refrigeration, air conditioning or heat pump apparatus. These impurities include, but are not limited to, refrigeration lubricants, which are those described earlier herein, including, but not limited to, particulates of metal, metal salts or elastomer particles, which may be from refrigeration, air conditioning or heat pump equipment, and any other impurities that may adversely affect the performance of the refrigerant blend composition.
These impurities may be removed sufficiently to allow reuse of the refrigerant blend or refrigerant blend components without adversely affecting the performance of the device in which the refrigerant blend or refrigerant blend components are to be used.
In order to produce a composition that meets the desired specifications for a given product, it may be necessary to provide additional refrigerant blend or refrigerant blend components to the residual refrigerant blend or refrigerant blend components. For example, if a refrigerant blend has 3 components in a particular weight percent range, it may be necessary to add one or more components in a given amount to bring the composition back within specification limits.
The compositions of the present invention have zero or low ozone depletion potential and low Global Warming Potential (GWP). In addition, the compositions of the present invention will have a lower global warming potential than many hydrofluorocarbon refrigerants currently in use. One aspect of the present invention is to provide a refrigerant having a global warming potential of less than 1000, less than 500, less than 150, less than 100, or less than 50. Another aspect of the invention is to reduce the net GWP of the refrigerant mixture by adding a fluoroolefin to the mixture.
The compositions of the present invention may be used as low Global Warming Potential (GWP) replacements for currently used refrigerants, including, but not limited to: r134a (or HFC-134a, 1,1,1, 2-tetrafluoroethane), R22 (or HCFC-22, chlorodifluoromethane), R123 (or HFC-123, 2, 2-dichloro-1, 1, 1-trifluoroethane), R11(CFC-11, monofluorotrichloromethane), R12(CFC-12, dichlorodifluoromethane), R245fa (or HFC-245fa, 1,1,1, 3, 3-pentafluoropropane), R114 (or CFC-114, 1, 2-dichloro-1, 1, 2, 2-tetrafluoroethane), R236fa (or HFC-236fa, 1,1,1, 3, 3, 3-hexafluoropropane), R124 (or HCFC-124, 2-chloro-1, 1,1, 2-tetrafluoroethane), R407C (52 wt% HRAE 134a, 25wt% R125 (pentafluoroethane), and 23wt% R32 (difluoromethane), R410A (ASHRAE designation for a blend of 50wt% R125 and 50wt% R32), R417A (ASHRAE designation for a blend of 46.6 wt% R125, 50.0 wt% R134a, and 3.4 wt% n-butane), R422A (ASHRAE designation for a blend of 85.1 wt% R125, 11.5 wt% R134a, and 3.4 wt% isobutane), R404A (ASHRAE designation for a blend of 44 wt% R125, 52wt% R143a (1, 1, 1-trifluoroethane), and 4.0 wt% R134 a), and R507A (ASHRAE designation for a blend of 50wt% R125 and 50wt% R143 a). In addition, the compositions of the invention may be used as a replacement for R12(CFC-12, dichlorodifluoromethane) or R502 (ASHRAE nomenclature for blends of 51.2 wt% CFC-115 (chloropentafluoroethane) and 48.8 wt% HCFC-22).
In general, a replacement refrigerant is most useful if it can be used with an original refrigeration unit designed for a different refrigerant. The composition of the present invention may be used as a replacement for the above-mentioned refrigerants in the original equipment. Furthermore, the composition of the present invention can be used as a substitute for the above-mentioned refrigerant in a device designed to use the above-mentioned refrigerant.
The composition of the present invention may further comprise a lubricant.
The lubricants of the present invention comprise refrigeration lubricants, i.e. those suitable for use in refrigeration, air-conditioning or heat pump apparatus. These lubricants include those commonly used in compression refrigeration equipment using chlorofluorocarbon refrigerants. These Lubricants and their properties are discussed in 1990 ASHRAEH Handbook, refining Systems and Applications, Chapter 8, entitled "Lubricants in refining Systems", pages 8.1 to 8.21. Lubricants of the present invention may include those commonly referred to in the field of compression refrigeration lubrication as "mineral oils". Mineral oils include paraffins (i.e., straight and branched carbon chains, saturated hydrocarbons), naphthalenes (i.e., cyclic paraffins), and aromatics (i.e., unsaturated cyclic hydrocarbons containing one or more rings characterized by alternating double bonds). The lubricants of the present invention further include those commonly referred to in the field of compression refrigeration lubrication as "synthetic oils". Synthetic oils include alkylaryl compounds (i.e., linear and branched alkyl alkylbenzenes), synthetic paraffins and naphthenes, and poly (alpha olefins). Representative of conventional lubricants of the present invention are commercially available BVM 100N (paraffinic mineral oil sold by BVA Oils),
3GS and
5GS (naphthenic mineral oil sold by Crompton Co.),
372LT (naphthenic mineral oil sold by Pennzoil),
RO-30 (naphthenic mineral oil sold by Calumet Lubricants),
75、
150 and
500 (linear alkylbenzenes sold by Shrieve Chemicals) and HAB22 (branched alkylbenzenes sold by Nippon Oil).
Lubricants of the present invention further include those that have been designed for use with hydrofluorocarbon refrigerants and are miscible with the refrigerants of the present invention under the operating conditions of compression refrigeration, air conditioning or heat pump apparatus. These Lubricants and their properties are discussed in "Synthetic Lubricants and High-Performance Fluids", R.L. Shunkin, editor, Marcel Dekker, 1993. These lubricants include, but are not limited to, polyol esters (POEs) such as
100(Castrol, United Kingdom), polyalkylene glycols (PAG) such as RL-488A from Dow (Dow Chemical, Midland, Michigan), and polyvinyl ethers (PVE). These lubricants are readily available from various commercial sources.
The lubricant of the present invention is selected by taking into account the requirements of a given compressor and the environment to which the lubricant will be exposed. The lubricants of the present invention preferably have a kinematic viscosity at 40 ℃ of at least about 5cs (centistokes).
Conventional refrigeration system additives may optionally be added to the compositions of the present invention as needed to enhance lubricity and system stability. These additives are known in the field of refrigeration compressor lubrication and include, anti-wear agents, extreme lubricants, corrosion and oxidation inhibitors, metal surface deactivators, free radical scavengers, foaming and defoaming control agents, leak detection agents, and the like. Typically, these additives are present in only small amounts relative to the total lubricant composition. Typically, they are used at concentrations of from less than about 0.1% up to about 3% of each additive. These additives are selected according to the respective system requirements. Some representative examples of such additives may include, but are not limited to, lubricity enhancing additives such as alkyl or aryl esters of phosphoric acid and thiophosphates. Additionally, metal dialkyldithiophosphates (e.g., zinc dialkyldithiophosphate or ZDDP, Lubrizol 1375) and other members of such chemicals may be used in the compositions of the present invention. Other antiwear additives include natural product oils and asymmetric polyhydroxy lubricity additives such as Synergol TMS (International Lubricants). Similarly, stabilizers such as antioxidants, radical scavengers, and water scavengers may be used. Compounds in this class may include, but are not limited to, Butylated Hydroxytoluene (BHT) and epoxides.
The composition of the present invention may further comprise from about 0.01 wt% to about 5wt% of additives, for example, stabilizers, radical scavengers, and/or antioxidants. These additives include, but are not limited to, nitromethane, hindered phenols, hydroxylamines, thiols, phosphites or lactones. Single additives or combinations may be used.
The compositions of the present invention may further comprise from about 0.01 wt% to about 5wt% of a water scavenger (drying compound). These water scavengers may include orthoesters such as trimethyl-, triethyl-or tripropylorthoformate.
The composition of the invention may further comprise a tracer selected from Hydrofluorocarbons (HFCs), deuterated hydrocarbons, deuterated hydrofluorocarbons, perfluorocarbons, fluoroethers, brominated compounds, iodinated compounds, alcohols, aldehydes, ketones, dinitrogen monoxide (N)2O) and combinations thereof. The tracer compound is added to the composition in a predetermined amount to allow detection of any dilution, contamination or other change in the composition as described in U.S. patent application serial No. 11/062044 filed on day 2, 18, 2005.
Typical tracer compounds for use in the compositions of the invention are listed in table 7.
TABLE 7
The compounds listed in table 7 are commercially available (from chemical suppliers) or may be prepared by methods known in the art.
A single tracer compound may be used in combination with a refrigeration/heating fluid in the compositions of the present invention or multiple tracer compounds may be mixed in any proportion to act as a tracer blend. The tracer blend may comprise multiple tracer compounds from the same class of compounds or multiple tracer compounds from different classes of compounds. For example, the tracer blend can comprise 2 or more deuterated hydrofluorocarbons, or one deuterated hydrofluorocarbon and in combination therewith one or more perfluorocarbons.
In addition, some of the compounds in table 7 exist as multiple isomers (structural isomers or optical isomers). Single isomers or multiple isomers of the same compound may be used in any proportion to prepare the tracer compound. Furthermore, single or multiple isomers of a given compound may be combined in any proportion with a number of other compounds to serve as tracer blends.
The tracer compound or tracer blend can be present in the composition at a total concentration of from about 50 parts by weight per million parts by weight (ppm) to about 1000 ppm. Preferably, the tracer compound or tracer blend is present at a total concentration of from about 50ppm to about 500ppm, most preferably, the tracer compound or tracer blend is present at a total concentration of from about 100ppm to about 300 ppm.
The composition of the present invention may further comprise a compatibilizer selected from the group consisting of polyoxyalkylene glycol ethers, amides, nitriles, ketones, chlorohydrocarbons, esters, lactones, aryl ethers, fluoroethers and 1,1, 1-trifluoroalkanes. The compatibilizers are used to improve the solubility of hydrofluorocarbon refrigerants in conventional refrigeration lubricants. Refrigeration lubricants are required to lubricate compressors of refrigeration, air conditioning or heat pump equipment. The lubricant must move with the refrigerant throughout the apparatus and, in particular, it must return to the compressor from the non-compressor zone to continue to function as a lubricant and avoid compressor failure.
Hydrofluorocarbon refrigerants are generally not compatible with conventional refrigeration lubricants such as mineral oils, alkylbenzenes, synthetic paraffins, synthetic naphthenes and poly (alpha) olefins. Many alternative lubricants have been proposed, however, the polyalkylene glycols, polyol esters and polyvinyl ethers suggested for use with hydrofluorocarbon refrigerants are expensive and readily absorb water. Water in refrigeration, air conditioning systems or heat pumps can cause corrosion and the formation of particles that can plug capillaries and other small holes in the system, ultimately leading to system failure. Furthermore, in existing equipment, time consuming and expensive cleaning procedures are required to make changes to the new lubricant. It is therefore desirable to continue using the original lubricant if possible.
The compatibilizers of the present invention improve the solubility of hydrofluorocarbon refrigerants in conventional refrigeration lubricants and thus improve oil return to the compressor.
The polyoxyalkylene glycol ether compatibilizer of the present invention is represented by the general formula R1[(OR2)xOR3]y represents, wherein: x is an integer from 1 to 3; y is an integer from 1 to 4; r1Selected from hydrogen and aliphatic hydrocarbon radicals containing from 1 to 6 carbon atoms and y bonding sites; r2Selected from aliphatic hydrocarbylene groups having from 2 to 4 carbon atoms; r3Selected from hydrogen and aliphatic and alicyclic hydrocarbon radicals containing from 1 to 6 carbon atoms; r1And R3At least one is selected from the group consisting of said hydrocarbyl groups; and wherein the polyoxyalkylene glycol ether has from about 100 to aboutA molecular weight of 300 atomic mass units. As used herein, a bonding site refers to a site that can be used to form a covalent bond with other groups. Alkylene means divalent hydrocarbon groups. In the present invention, the preferred polyoxyalkylene glycol ether compatibilizers are represented by the general formula R1[(OR2)xOR3]y represents, x is preferably 1 to 2; y is preferably 1; r1And R3Preferably independently selected from hydrogen and aliphatic hydrocarbon groups containing 1 to 4 carbon atoms; r2Preferably selected from aliphatic hydrocarbylene groups containing 2 or 3 carbon atoms, most preferably 3 carbon atoms; the polyoxyalkylene glycol ether preferably has a molecular weight of about 100 to about 250 atomic mass units, most preferably about 125 to about 250 atomic mass units. R containing 1-6 carbon atoms1And R3The hydrocarbyl groups may be linear, branched or cyclic. Representative R1 and R3 hydrocarbyl groups include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, isopentyl, neopentyl, tert-pentyl, cyclopentyl, and cyclohexyl. When the free hydroxyl groups on the polyoxyalkylene glycol ether compatibilizer are likely to be associated with certain compression refrigeration equipment materials of construction (e.g., the polypropylene glycol ether compatibilizer
) When incompatible, R1And R3Preferably an aliphatic hydrocarbon group containing 1 to 4 carbon atoms, most preferably 1 carbon atom. R containing 2-4 carbon atoms2The aliphatic alkylene groups forming repeating oxyalkylene groups- (OR)2) x-, the latter including oxyethylene groups, oxypropylene groups, and oxybutylene groups. Containing R in one polyoxyalkylene glycol ether compatibilizer molecule2The oxyalkylene groups of (a) may be the same, or one molecule may contain different R2An alkylene oxide. The polyoxyalkylene glycol ether compatibilizer of the present invention preferably comprises at least one oxypropylene group. When R is1When it is an aliphatic or alicyclic hydrocarbon group having 1 to 6 carbon atoms and y bonding sites, the group may be linear, branched or cyclic. Representative of R containing two bonding sites1The aliphatic hydrocarbon group includes, for example, ethylene, propylene, butylene, pentylene, hexylene, cyclopentylene and cyclohexylene. ComprisesRepresentative R of 3 or 4 bonding sites1The aliphatic hydrocarbon group includes residues derived from polyhydric alcohols such as trimethylolpropane, glycerol, pentaerythritol, 1, 2, 3-trihydroxycyclohexane and 1, 3, 5-trihydroxycyclohexane by removing their hydroxyl groups.
Representative polyoxyalkylene glycol ether compatibilizers include, but are not limited to: CH (CH)3OCH2CH(CH3) O (H or CH)3) (propylene glycol methyl (or dimethyl) ether), CH3O[CH2CH(CH3)O]2(H or CH)3) (dipropylene glycol methyl (or dimethyl) ether), CH3O[CH2CH(CH3)O]3(H or CH)3) (tripropylene glycol methyl (or dimethyl) ether) C2H5OCH2CH(CH3) O (H or C)2H5) (propylene glycol ethyl (or diethyl) ether), C2H5O[CH2CH(CH3)O]2(H or C)2H5) (dipropylene glycol ethyl (or diethyl) ether), C2H5O[CH2CH(CH3)O]3(H or C)2H5) (tripropylene glycol ethyl (or diethyl) ether) C3H7OCH2CH(CH3) O (H or C)3H7) (propylene glycol n-propyl (or di-n-propyl) ether), C3H7O[CH2CH(CH3)O]2(H or C)3H7) (dipropylene glycol n-propyl (or di-n-propyl) ether), C3H7O[CH2CH(CH3)O]3(H or C)3H7) (tripropylene glycol n-propyl (or di-n-propyl) ether), C4H9OCH2CH(CH3) OH (propylene glycol n-butyl ether), C4H9O[CH2CH(CH3)O]2(H or C)4H9) (dipropylene glycol n-butyl (or di-n-butyl) ether), C4H9O[CH2CH(CH3)O]3(H or C)4H9) (tripropylene glycol n-butyl (or di-n-butyl) ether), (CH)3)3COCH2CH(CH3) OH (propylene glycol tert-butyl ether), (CH)3)3CO[CH2CH(CH3)O]2(H or (CH)3)3) (dipropylene glycol t-butyl (or di-t-butyl) ether), (CH)3)3CO[CH2CH(CH3)O]3(H or (CH)3)3) (tripropylene glycol t-butyl (or di-t-butyl) ether) C5H11OCH2CH(CH3) OH (propylene glycol n-amyl ether), C4H9OCH2CH(C2H5) OH (butanediol n-butyl ether), C4H9O[CH2CH(C2H5)O]2H (dibutylene glycol n-butyl ether), trimethylolpropane tri-n-butyl ether (C)2H5C(CH2O(CH2)3CH3)3) And trimethylolpropane di-n-butyl ether (C)2H5C(CH2OC(CH2)3CH3)2CH2OH)。
The amide compatibilizer of the present invention comprises a compound represented by the general formula R1C(O)NR2R3And ring- [ R4C(O)N(R5)]Those represented, wherein: r1、R2、R3And R5Independently selected from aliphatic and alicyclic hydrocarbon radicals containing from 1 to 12 carbon atoms; r4Selected from aliphatic hydrocarbylene groups having from 3 to 12 carbon atoms; and wherein the amide has a molecular weight of about 100 to about 300 atomic mass units. The molecular weight of the amide is preferably from about 160 to about 250 atomic mass units. R1，R2，R3And R5Substituted hydrocarbyl groups, i.e., groups containing non-hydrocarbon substituents selected from halo (e.g., fluoro, chloro) and alkoxy (e.g., methoxy), may optionally be included. R1，R2，R3And R5Heteroatom-substituted hydrocarbyl groups may optionally be included, i.e., groups containing the atom nitrogen (aza-), oxygen (oxa-), or sulfur (thia-) in a chain of groups otherwise composed of carbon atoms. Generally, for in R1-3Will have no more than three non-hydrocarbon substituents and heteroatoms per 10 carbon atoms, and preferably no more than one, and any such non-hydrocarbon substituents and heteroatoms must be considered when applying the molecular weight limitations described aboveThe presence of a seed. Preferred amide compatibilizers are composed of carbon, hydrogen, nitrogen and oxygen. Representative of R1，R2，R3And R5Aliphatic and alicyclic hydrocarbon groups include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, isopentyl, neopentyl, tert-pentyl, cyclopentyl, cyclohexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl and their configurational isomers. A preferred embodiment of the amide solubilizer is one wherein the ring- [ R ] is in the above formula4C(O)N(R5)-]R in (1)4May be prepared from alkylene (CR)6R7) n, in other words, of the general formula: cyclo- [ (CR)6R7)nC(O)N(R5)-]Wherein: the same applies for the previously stated values for molecular weight; n is an integer of 3 to 5; r5Is a saturated hydrocarbon group containing 1 to 12 carbon atoms; r6And R7From the foregoing for the definition of R1-3Is selected independently (for each n). In a composition represented by the general formula: cyclo- [ (CR)6R7)nC(O)N(R5)-]In the lactam represented, all R6And R7Preferably hydrogen, or a single saturated hydrocarbon group containing among n methylene units, R5Is a saturated hydrocarbon group having 3 to 12 carbon atoms. For example, 1- (saturated hydrocarbon group) -5-methylpyrrolidin-2-one.
Representative amide solubilizing agents include, but are not limited to: 1-octylpyrrolidin-2-one, 1-decylpyrrolidin-2-one, 1-octyl-5-methylpyrrolidin-2-one, 1-butylcaprolactam, 1-cyclohexylpyrrolidin-2-one, 1-butyl-5-methylpiperidin-2-one, 1-pentyl-5-methylpiperidin-2-one, 1-hexylcaprolactam, 1-hexyl-5-methylpyrrolidin-2-one, 5-methyl-1-pentylpiperidin-2-one, 1, 3-dimethylpiperidin-2-one, 1-methylcaprolactam, 1-butyl-pyrrolidin-2-one, 1, 5-dimethylpiperidin-2-one, 1-decyl-5-methylpyrrolidin-2-one, 1-dodecylpyrrolidin-2-one, N, N-dibutylformamide and N, N-diisopropylacetamide.
The ketone compatibilizers of the present invention comprise a copolymer represented by the general formula R1C(O)R2A ketone of formula (I), wherein R1And R2Independently selected from the group consisting ofAliphatic, alicyclic, and aryl hydrocarbon groups of 1 to 12 carbon atoms, and wherein the ketone has a molecular weight of about 70 to about 300 atomic mass units. R in said ketone1And R2Preferably independently selected from aliphatic and alicyclic hydrocarbon radicals containing from 1 to 9 carbon atoms. The molecular weight of the ketone is preferably about 100-200 atomic mass units. R1And R2Together, alkylene groups can be formed which link and form five-, six-, or seven-membered cyclic ketones, such as cyclopentanone, cyclohexanone, and cycloheptanone. R1，R2，R3And R5Substituted hydrocarbyl groups, i.e., groups containing non-hydrocarbon substituents selected from halo (e.g., fluoro, chloro) and alkoxy (e.g., methoxy), may optionally be included. R1And R2Heteroatom-substituted hydrocarbon radicals, i.e. radicals which contain the atoms nitrogen (aza-), oxygen (keto-, oxa-) or sulfur (thia-) in the radical chain otherwise composed of carbon atoms, may optionally be included. Generally, for in R1And R2Will have no more than three non-hydrocarbon substituents and heteroatoms per 10 carbon atoms, and preferably no more than one, and the presence of any such non-hydrocarbon substituents and heteroatoms must be considered when applying the molecular weight limitations described above. In the general formula R1COR2R is a representative of1And R2Aliphatic, alicyclic and aryl hydrocarbon groups include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, isopentyl, neopentyl, tert-pentyl, cyclopentyl, cyclohexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl and their configurational isomers, as well as phenyl, benzyl, cumenyl, 2, 4, 6-trimethylphenyl, tolyl, dimethylphenyl and phenethyl.
Representative ketone solubilizers include, but are not limited to: 2-butanone, 2-pentanone, acetophenone, butyrophenone, hexanoylbenzene, cyclohexanone, cycloheptanone, 2-heptanone, 3-heptanone, 5-methyl-2-hexanone, methylhexyl ketone (2-octanone), 3-octanone, diisobutyl ketone, 4-ethylcyclohexanone, 2-nonanone, 5-nonanone, 2-decanone, 4-decanone, 2-decalone, 2-tridecanone, dihexyl ketone, and dicyclohexyl ketone.
Nitrile adducts of the present inventionThe solvent comprises a compound represented by the general formula R1A nitrile represented by CN, wherein R1Selected from aliphatic, alicyclic, or aryl hydrocarbon groups containing 5 to 12 carbon atoms, and wherein said nitrile has a molecular weight of about 90 to about 200 atomic mass units. R in the nitrile compatibilizer1Preferably selected from aliphatic and alicyclic hydrocarbon radicals having from 8 to 10 carbon atoms. The molecular weight of the nitrile compatibilizer is preferably about 120 to about 140 atomic mass units. R1Substituted hydrocarbyl groups, i.e., groups containing non-hydrocarbon substituents selected from halo (e.g., fluoro, chloro) and alkoxy (e.g., methoxy), may optionally be included. R1Heteroatom-substituted hydrocarbon radicals, i.e. radicals which contain the atoms nitrogen (aza-), oxygen (keto-, oxa-) or sulfur (thia-) in the radical chain otherwise composed of carbon atoms, may optionally be included. Generally, for in R1Will have no more than three non-hydrocarbon substituents and heteroatoms per 10 carbon atoms, and preferably no more than one, and the presence of any such non-hydrocarbon substituents and heteroatoms must be considered when applying the molecular weight limitations described above. In the general formula R1Representative R in CN1Aliphatic, alicyclic and aryl hydrocarbon groups include pentyl, isopentyl, neopentyl, tert-pentyl, cyclopentyl, cyclohexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl and their configurational isomers, as well as phenyl, benzyl, cumenyl, 2, 4, 6-trimethylphenyl, tolyl, dimethylphenyl and phenethyl.
Representative nitrile compatibilizers include, but are not limited to: 1-cyanopentane, 2, 2-dimethyl-4-cyanopentane, 1-cyanohexane, 1-cyanoheptane, 1-cyanooctane, 2-cyanooctane, 1-cyanononane, 1-cyanodecane, 2-cyanodecane, 1-cyanoundecane and 1-cyanododecane.
The chlorinated hydrocarbon compatibilizers of the present invention include chlorinated hydrocarbons represented by the general formula RClx, wherein: x is an integer selected from 1 or 2; r is selected from aliphatic and alicyclic hydrocarbon radicals containing 1 to 12 carbon atoms; and wherein the chlorinated hydrocarbon has a molecular weight of about 100 to about 200 atomic mass units. The molecular weight of the chlorinated hydrocarbon compatibilizer is preferably about 120-150 atomic mass units. Representative R aliphatic and alicyclic hydrocarbon radicals in the general formula RClx include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, isopentyl, neopentyl, tert-pentyl, cyclopentyl, cyclohexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl and their configurational isomers.
Representative chlorinated hydrocarbon compatibilizers include, but are not limited to: 3- (chloromethyl) pentane, 3-chloro-3-methylpentane, 1-chlorohexane, 1, 6-dichlorohexane, 1-chloroheptane, 1-chlorooctane, 1-chlorononane, 1-chlorodecane, and 1,1, 1-trichlorodecane.
The ester compatibilizers of the present invention comprise a copolymer represented by the general formula R1CO2R2An ester of wherein R1And R2Independently selected from linear and cyclic, saturated and unsaturated alkyl and aryl groups. Preferred esters consist essentially of elements C, H and O and have a molecular weight of about 80 to about 550 atomic mass units.
Representative esters include, but are not limited to: (CH)3)2CHCH2OOC(CH2)2-4OCOCH2CH(CH3)2(diisobutyl dibasic acid), ethyl hexanoate, ethyl heptanoate, n-butyl propionate, n-propyl propionate, ethyl benzoate, di-n-propyl phthalate, ethoxyethyl benzoate, dipropyl carbonate, "Exxate 700" (commercial acetic acid C)7Alkyl esters), "Exxate 800" (commercial acetic acid C)8Alkyl esters), dibutyl phthalate, and tert-butyl acetate.
The lactone compatibilizers of the present invention include lactones represented by the structures [ a ], [ B ], and [ C ]:
these lactones contain a functional group-CO in a six-atom ring (A), or preferably a five-atom ring (B)2-, wherein for the structure [ A]And [ B]，R1To R8Independently selected from hydrogen or linear, branched, cyclic, bicyclic, saturated and unsaturated hydrocarbyl groups. R1To R8Each of which may be with R1To R8The other of which is connected to form a ring. The lactone may have the structure [ C ]]In which R is an exocyclic alkylidene group1To R6Independently selected from hydrogen or linear, branched, cyclic, bicyclic, saturated and unsaturated hydrocarbyl groups. R1To R6Each of which may be with R1To R6The other of which is connected to form a ring. The lactone compatibilizers have a molecular weight of from about 80 to about 300 atomic mass units, preferably from about 80 to about 200 atomic mass units.
Representative lactone compatibilizers include, but are not limited to, the compounds listed in table 8.
TABLE 8
The lactone compatibilizers generally have a kinematic viscosity of less than about 7 centistokes at 40 ℃. For example, at 40℃, gamma undecalactone has a kinematic viscosity of 5.4 centistokes and cis (3-hexyl-5-methyl) dihydrofuran-2-one has a viscosity of 4.5 centistokes. The lactone compatibilizers may be commercially available or prepared by methods such as described in U.S. patent application 10/910,495 filed on 8/3/2004, which is incorporated herein by reference.
The aryl ether compatibilizers of the present invention further comprise a copolymer represented by the general formula R1OR2An aryl ether of the formula (I) wherein: r1Selected from aryl hydrocarbons containing 6 to 12 carbon atoms; r2Selected from aliphatic hydrocarbon groups containing 1 to 4 carbon atoms; and wherein the aryl ether has a molecular weight of about 100 to about 150 atomic mass units. In the general formula R1OR2R is a representative of1Aryl radicals include phenyl, biphenyl, cumyl, 2, 4, 6-trimethylPhenyl, tolyl, dimethylphenyl, naphthyl and pyridyl. In the general formula R1OR2Representative of R in (1)2Aliphatic hydrocarbon groups include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl and tert-butyl. Representative aromatic ether solubilizing agents include, but are not limited to: methyl phenyl ether (anisole), 1, 3-dimethoxybenzene, ethyl phenyl ether and butyl phenyl ether.
The fluoroether compatibilizers of the present invention comprise a blend represented by the formula R1OCF2CF2H, wherein R is1Selected from aliphatic, alicyclic and aromatic hydrocarbon groups containing from about 5 to about 15 carbon atoms, preferably primary, linear, saturated alkyl groups. Representative fluoroether compatibilizers include, but are not limited to: c8H17OCF2CF2H and C6H13OCF2CF2H. It should be noted that if the refrigerant is a fluoroether, the compatibilizer may not be the same fluoroether.
The fluoroether compatibilizer may further comprise an ether derived from a fluoroolefin and a polyol. The fluoroolefin may have CF2A form CXY wherein X is hydrogen, chloro or fluoro and Y is chloro, fluoro, CF3OR ORfWherein R isfIs CF3、C2F5Or C3F7. Representative fluoroolefins are tetrafluoroethylene, chlorotrifluoroethylene, hexafluoropropylene and perfluoromethyl vinyl ether. The polyols may be linear or branched. The linear polyol may have a HOCH2(CHOH)x(CRR′)yCH2OH form, wherein R and R' are hydrogen, CH3Or C2H5And wherein x is an integer from 0 to 4 and y is an integer from 0 to 4. The branched polyol has C (OH) t (R) u (CH)2OH)v[(CH2)mCH2OH]w type, wherein R can be hydrogen, CH3Or C2H5M is an integer from 0 to 3, t and u can be 0 or 1, v and w are integers from 0 to 4, and further wherein t + u + v + w is 4. Representative polyols are trimethylolpropane, pentaerythritol, butanediol and ethylene glycol.
The 1,1, 1-trifluoroalkane compatibilizers of the present invention comprise a copolymer represented by the general formula CF3R11,1, 1-trifluoroalkane of the formula, wherein R1Selected from aliphatic and alicyclic hydrocarbon groups containing from about 5 to about 15 carbon atoms, preferably primary, linear, saturated alkyl groups. Representative 1,1, 1-trifluoroalkane compatibilizers include, but are not limited to: 1,1, 1-trifluorohexane and 1,1, 1-trifluorododecane.
An effective amount of a compatibilizer refers to an amount of compatibilizer that causes the lubricant to effectively solubilize in the composition and thus provide sufficient oil return to optimize the operation of the refrigeration, air conditioning or heat pump apparatus.
The compositions of the present invention will generally comprise from about 0.1 to about 40 weight percent, preferably from about 0.2 to about 20 weight percent, and most preferably from about 0.3 to about 10 weight percent of the composition of the present invention of a compatibilizer.
The present invention further relates to a method of solubilizing a refrigerant or heat transfer fluid composition comprising a composition of the present invention in a refrigeration lubricant selected from the group consisting of mineral oil, alkylbenzene, synthetic paraffin, synthetic cycloalkane, and poly (alpha) olefin, wherein said method comprises contacting said lubricant with said composition in the presence of an effective amount of a compatibilizer, wherein said compatibilizer is selected from the group consisting of polyoxyalkylene glycol ethers, amides, nitriles, ketones, chlorocarbons, esters, lactones, aryl ethers, fluoroethers, and 1,1, 1-trifluoroalkanes.
The invention further relates to a method for improving oil return to a compressor in a compression refrigeration, air-conditioning or heat pump apparatus, said method comprising using a composition comprising a compatibilizer in said apparatus.
The composition of the present invention may further comprise an Ultraviolet (UV) dye and optionally a solubilizing agent. The UV dye is a useful component that allows one to observe the fluorescence of the dye in a composition at or near the point of leakage in refrigeration, air conditioning or heat pump equipment to detect leakage from the composition. One can observe the fluorescence of the dye under ultraviolet light. Solubilizers are desirable due to the poor solubility of such UV dyes in some compositions.
"ultraviolet" dye refers to a UV fluorescent composition that can absorb light in the ultraviolet or "near" ultraviolet region of the electromagnetic spectrum. Fluorescence generated by UV fluorescent dyes emitting radiation having any wavelength from 10 nm to 750 nm under the irradiation of UV light can be detected. Thus, if a composition containing such a UV fluorescent dye leaks at a given point in a refrigeration, air conditioning or heat pump apparatus, the fluorescence can be detected at that leak point. Such UV fluorescent dyes include, but are not limited to, naphthalimides, perylenes, coumarins, anthracenes, phenanthrenes, xanthenes, thioxanthenes, benzoxanthenes, fluoresceins, and derivatives or combinations thereof.
The solubilizing agent of the present invention may comprise at least one compound selected from the group consisting of hydrocarbons, hydrocarbon ethers, polyoxyalkylene glycol ethers, amides, nitriles, ketones, chlorocarbons, esters, lactones, arylhydrocarbons, fluoroethers and 1,1, 1-trifluoroalkanes. The polyoxyalkylene glycol ethers, amides, nitriles, ketones, chlorocarbons, esters, lactones, aryl ethers, fluoroethers and 1,1, 1-trifluoroalkane solubilizing agents have been previously defined herein as compatibilizers for conventional refrigeration lubricants.
The hydrocarbon solubilizing agents of the present invention include hydrocarbons including straight chain, branched chain or cyclic paraffins or olefins containing 5 or less carbon atoms and having only hydrogen but no other functional groups. Representative hydrocarbon solubilizers include propane, propylene, cyclopropane, n-butane, isobutane, 2-methylbutane and n-pentane. It should be noted that if the composition comprises a hydrocarbon, the solubilizer may not be the same hydrocarbon.
The hydrocarbon ether solubilizing agents of the present invention include ethers containing only carbon, hydrogen and oxygen, such as dimethyl ether (DME).
The solubilizing agent of the present invention may be present as a single compound or may be present as a mixture of more than one solubilizing agent. The mixture of solubilizers may contain two solubilizers belonging to the same class of compounds, for example two lactones, or two solubilizers belonging to different classes of compounds, for example lactones and polyoxyalkylene glycol ethers.
In the composition of the present invention comprising a refrigerant and a UV fluorescent dye or comprising a heat transfer fluid and a UV fluorescent dye, about 0.001 wt% to about 1.0 wt% of the composition is the UV dye, preferably about 0.005 wt% to about 0.5 wt%, most preferably 0.01 wt% to about 0.25 wt%.
Solubilizers such as ketones have undesirable odors that can be masked by the addition of odor masking agents or fragrances. Typical examples of odor masking agents or fragrances may include Evergreen (Evergreen), fresh lemon, cherry, cinnamon, mint, flower or orange peel, all of which are commercially available, as well as carvone and pinene. Such odor masking agents may be used at concentrations of about 0.001 wt% up to about 15wt%, based on the total weight of the odor masking agent and the solubilizing agent.
The solubility of these UV fluorescent dyes in the compositions of the present invention may be poor. Therefore, the methods of introducing these dyes into refrigeration, air conditioning or heat pump equipment are awkward, expensive and time consuming. U.S. patent No. RE36,951 describes a process that uses dye powders, solid pellets or dye slurries that can be inserted into components of refrigeration, air conditioning or heat pump equipment. As the refrigerant and lubricant circulate in the device, the dye dissolves or disperses throughout the device. Many other methods of introducing dyes into refrigeration or air conditioning equipment are described in the literature.
Ideally, the UV fluorescent dye may be dissolved in the refrigerant itself, thus not requiring any special method of introduction into refrigeration, air conditioning or heat pumps. The present invention relates to compositions comprising UV fluorescent dyes that can be introduced into a system as a solution in a refrigerant. The compositions of the invention may allow storage and delivery of dye-containing compositions even at low temperatures while maintaining the dye in a dissolved state.
In the composition of the present invention comprising a refrigerant, a UV fluorescent dye and a solubilizing agent or comprising a heat transfer fluid and a UV fluorescent dye and a solubilizing agent, about 1 to about 50wt%, preferably about 2 to about 25wt%, most preferably about 5 to about 15wt% of the total composition is a solubilizing agent. In the compositions of the present invention, the UV fluorescent dye is present at a concentration of about 0.001 wt% to about 1.0 wt%, preferably 0.005 wt% to about 0.5 wt%, and most preferably 0.01 wt% to about 0.25 wt%.
The present invention further relates to a method of using a composition further comprising an ultraviolet fluorescent dye, and optionally a solubilizing agent, in refrigeration, air-conditioning or heat pump apparatus. The method comprises introducing the composition into a refrigeration, air-conditioning or heat pump apparatus. This can be achieved by dissolving the UV fluorescent dye in the composition in the presence of a solubilizing agent and introducing the combination into the apparatus. Alternatively, this may be accomplished by combining a solubilizing agent and a UV fluorescent dye and introducing the combination into a refrigeration or air conditioning apparatus containing a refrigerant and/or heat transfer fluid. The resulting compositions may be used in refrigeration, air-conditioning or heat pump equipment.
The invention further relates to methods of detecting leaks using compositions comprising ultraviolet fluorescent dyes. The presence of the dye in the composition allows for detection of leaking refrigerant in refrigeration, air conditioning or heat pump equipment. Leak detection helps to counter, address, or prevent inefficient operation of the device or system or device failure. Leak detection also helps it contain chemicals used in the operation of the device.
The method comprises providing a composition comprising a refrigerant, an ultraviolet fluorescent dye as described herein and optionally a solubilizing agent as described herein to a refrigeration, air conditioning or heat pump apparatus and using suitable means for detecting the refrigerant containing the UV fluorescent dye. Suitable devices for detecting dyes include, but are not limited to, ultraviolet lamps, often referred to as "black light" or "blue light". These ultraviolet lamps are commercially available from a number of sources specifically designed for this purpose. Once the composition containing the UV fluorescent dye has been introduced into the refrigeration, air-conditioning or heat pump apparatus and circulated through the system, leaks can be discovered by illuminating the UV lamp on the apparatus and observing the fluorescence of the dye in the vicinity of any leak points.
The present invention further relates to a method of replacing a high GWP refrigerant in a refrigeration, air-conditioning or heat pump apparatus, wherein said high GWP refrigerant is selected from the group consisting of R134a, R22, R245fa, R114, R236fa, R124, R410A, R407C, R417A, R422A, R507A and R404A, said method comprising providing a composition of the present invention to said refrigeration, air-conditioning or heat pump apparatus used, used or designed to use said high GWP refrigerant. A vapor compression refrigeration, air conditioning or heat pump system includes an evaporator, a compressor, a condenser, and an expansion device. The vapor compression cycle reuses refrigerant in multiple steps, creating a cooling effect in one step and a heating effect in a different step. This cycle can be described briefly as follows. The liquid refrigerant enters the evaporator through an expansion device where it then boils at a low temperature to form a gas and produce a cooling effect. The low pressure gas enters a compressor where the gas is compressed to raise its pressure and temperature. The higher pressure (compressed) gaseous refrigerant then enters the condenser where it condenses and rejects its heat to the environment. The refrigerant is returned to the expansion device, through which the liquid is expanded from a higher pressure level in the condenser to a lower pressure level in the evaporator, thus repeating the cycle.
As used herein, a sports refrigeration or sports air conditioning refers to any refrigeration or air conditioning apparatus incorporated into a transportation unit for roads, tracks, oceans or the sky. In addition, equipment used to provide refrigeration or air conditioning for systems that do not rely on any moving carriers (called "intermodal" systems) is also included in the present invention. Such intermodal systems include "containers" (combined marine/land transport) and "exchanges" (combined road and rail transport). The invention is particularly useful for road transport refrigeration or air conditioning apparatus, such as automotive air conditioning apparatus or refrigerated road transport vehicles.
The invention further relates to a method of refrigeration comprising evaporating a composition of the invention in the vicinity of the body to be cooled and thereafter condensing said composition.
The invention further relates to a method for generating heat, comprising condensing a composition according to the invention in the vicinity of a body to be heated, and thereafter evaporating said composition.
The present invention further relates to a refrigeration, air-conditioning or heat pump apparatus comprising the composition of the present invention, wherein the composition comprises at least one fluoroolefin.
The present invention further relates to a sports air conditioning unit comprising the composition of the present invention, wherein said composition comprises at least one fluoroolefin.
The invention further relates to a method for early detection of refrigerant leaks in refrigeration, air-conditioning or heat pump apparatus, said method comprising using a non-azeotropic composition in said apparatus and monitoring the reduction in cooling performance. The non-azeotropic composition will fractionate from the refrigeration, air conditioning or heat pump equipment in the event of a leak and the lower boiling (higher vapor pressure) component will leak out of the equipment first. When this occurs, if the lower boiling components in the composition provide the majority of the refrigeration capacity, a significant reduction in refrigeration capacity and hence equipment performance occurs. In an automotive air conditioning system, a passenger in an automobile, for example, will detect a reduction in the cooling capacity of the system. This reduction in cooling capacity may be interpreted to mean that the refrigerant is leaking and the system needs to be repaired.
The invention further relates to a method of using the composition of the invention as a heat transfer fluid composition comprising transporting the composition from a heat source to a heat sink.
The heat transfer fluid is utilized to transfer, migrate or separate heat from one space, location, object or body to a different space, location, object or body by radiation, conduction or convection. The heat transfer fluid may be used as a secondary coolant by providing a transfer device that cools (or heats) from a remote refrigeration (or heating) system. In some systems, the heat transfer fluid may be maintained at a constant state (i.e., not vaporized or condensed) throughout the process. Alternatively, the evaporative cooling process may likewise utilize a heat transfer fluid.
A heat source may be defined as any space, location, object or body from which it is desirable to transfer, migrate or remove heat. Examples of heat sources may be spaces (open or closed) that require refrigeration or cooling, such as refrigerator or freezer cabinets in supermarkets, building spaces that require air conditioning, or the passenger compartment of a car that requires air conditioning. A heat sink may be defined as any space, location, object or body capable of absorbing heat. A vapor compression refrigeration system is one example of such a heat sink.
In another embodiment, the present invention relates to a blowing agent composition for preparing a foam comprising the fluoroolefin-containing composition described herein. In other embodiments, the present invention provides foamable compositions, preferably polyurethane and polyisocyanate foam compositions, and methods of making foams. In these foam embodiments, one or more fluoroolefin-containing compositions of the present invention are included as blowing agents in foamable compositions that preferably include one or more additional components capable of reacting and foaming under the proper conditions to form a foam or cellular structure. Any of the methods well known in the art, such as those described in "Polyurethanes Chemistry and Technology", volumes I and II, Saunders and Frisch, 1962, John Wiley and Sons, New York, N.Y. (which is incorporated herein by reference), may be used or adapted for use in accordance with foam embodiments of the present invention.
The invention further relates to a method of forming a foam comprising: (a) adding the fluoroolefin-containing composition of the present invention to a foamable composition; and (b) reacting the foamable composition under conditions effective to form a foam.
Another embodiment of the present invention relates to the use of the fluoroolefin-containing compositions described herein as propellants in sprayable compositions. Further, the present invention relates to sprayable compositions comprising fluoroolefin-containing compositions described herein. The active ingredients to be sprayed, as well as inert ingredients, solvents, and other materials may also be present in the sprayable composition. Preferably, the sprayable composition is an aerosol. Suitable active materials to be sprayed include, but are not limited to, cosmetic materials such as deodorants, fragrances, hair sprays, cleansers and polishes, and medicinal materials such as anti-asthma and anti-halitosis medications.
The invention further relates to a method for the production of an aerosol product comprising the steps of: the fluoroolefin-containing compositions described herein are added to an active ingredient in an aerosol container, wherein the composition functions as a propellant.
Another aspect provides a method of suppressing a flame comprising contacting a flame with a fluid comprising a fluoroolefin-containing composition of the present disclosure. Any suitable method of contacting the flame with the composition of the present invention may be used. For example, the fluoroolefin-containing composition of the present disclosure may be sprayed, poured, etc. onto the flame, or at least a portion of the flame may be immersed in the flame inhibiting composition. Various conventional apparatus and methods of flame suppression will be readily adapted by those skilled in the art for use in the present disclosure in view of the teachings herein.
Another embodiment provides a method of suppressing or suppressing a fire in a total-flood application comprising: providing an agent comprising a fluoroolefin-containing composition of the present disclosure; disposing the reagent in a pressurized discharge system; and discharging the agent into a region to extinguish or suppress a fire in that region. Another embodiment provides a method of inerting an area to prevent a fire or explosion, comprising: providing an agent comprising a fluoroolefin-containing composition of the present disclosure; disposing the reagent in a pressurized discharge system; and discharging the agent into the area to prevent a fire or explosion from occurring.
The term "extinguishment" is commonly used to mean complete elimination of a fire; while "suppression" is generally used to mean a reduction, but not necessarily a complete elimination of a fire or explosion. As used herein, the terms "extinguishment" and "inhibition" will be used interchangeably. There are four general types of halocarbon fire and explosion protection applications. (1) In total flood fire suppression and/or suppression applications, the agent is discharged into a space to achieve a concentration sufficient to suppress or suppress an existing fire. Total flooding applications include the protection of enclosed, potentially occupied spaces such as computer rooms as well as dedicated, often vacant spaces such as aircraft engine nacelles and nacelles in carriers. (2) In jet (streaming) applications, the reagent is applied directly onto or into the area of a fire. This is typically accomplished using manually operated wheels or a portable device. A second method, included as a spray application, uses a "localized" system that discharges an agent from one or more fixed nozzles toward a fire. The localization system may be activated manually or automatically. (3) In explosion suppression, fluoroolefin-containing compositions of the present disclosure are discharged to suppress an explosion that has been initiated. The term "suppression" is commonly used in this application because explosions are generally self-limiting. However, the use of this term does not necessarily mean that the agent does not extinguish the explosion. In this application, a detector is typically used to detect an expanding fireball resulting from an explosion and rapidly discharge the agent to suppress the explosion. Explosion suppression is primarily, but not exclusively, used in defense applications. (4) In inerting, the fluoroolefin-containing compositions of the present disclosure are discharged into a space to prevent an explosion or fire from being initiated. Typically, a system similar or identical to that used for total flooding fire suppression or suppression is used. Typically, the presence of a hazardous condition (e.g., a hazardous concentration of flammable or explosive gas) is detected, and the fluoroolefin-containing composition of the present disclosure is discharged to prevent the explosion or fire from occurring until the condition can be remedied.
The extinguishing process may be carried out by introducing the composition into an enclosed area around the fire. Any known method of introduction may be used so long as the appropriate amount of the composition is metered into the enclosed area at the appropriate intervals. For example, the composition may be introduced as follows: spraying, for example using conventional portable (or fixed) fire extinguishing equipment; atomizing; or flooding, e.g., to release (using appropriate piping, valves, and controls) the composition into an enclosed area surrounding the fire. The composition may optionally be combined with an inert propellant, such as nitrogen, argon, decomposition products of glycidyl azide polymers, or carbon dioxide, to increase the rate at which the composition is discharged from the spraying or flooding device in use.
Preferably, the extinguishing method comprises introducing the fluoroolefin-containing composition of the present disclosure into a fire or flame in an amount sufficient to extinguish the fire or flame. Those skilled in the art will recognize that the amount of flame suppressant required to suppress a particular fire will depend on the nature and extent of the hazard. When flame suppressants are to be introduced by flooding, cup burner test data can be used to determine the amount or concentration of flame suppressant required to extinguish a particular type and size of fire.
Laboratory tests useful for determining effective concentration ranges for fluoroolefin-containing compositions when combined with extinguishing or suppressing a fire in a total flood application or fire inerting manner are described, for example, in U.S. Pat. No. 5,759,430, which is incorporated herein by reference.
Examples
Example 1
Influence of steam leakage
The initial composition is charged to a container at-25 ℃ or, if specified, at a temperature of 25 ℃ and the initial vapor pressure of the composition is measured. The composition is allowed to leak from the container while maintaining the temperature until 50wt% of the initial composition is removed, at which time the vapor pressure of the composition remaining in the container is measured. The results are shown in table 9.
TABLE 9
For the compositions of the present invention, the difference in vapor pressure between the original composition and the composition remaining after 50wt% removal is less than about 10%. This indicates that the compositions of the present invention may be azeotropic or near azeotropic.
Example 2
Refrigeration performance data
Table 10 shows the performance of various refrigerant compositions of the present invention compared to HFC-134 a. In table 10, Evap Pres is evaporator pressure, Cond Pres is condenser pressure, Comp Disch T is compressor outlet temperature, COP is energy efficiency, and CAP is capacity (capacity). The data are based on the following conditions.
Note that superheat is taken into account in the cooling capacity calculation.
Watch 10
Several compositions have even higher energy efficiency (COP) than HFC-134a while maintaining lower discharge pressures and temperatures. The capacity of the compositions of the present invention is also similar to that of R134a, indicating that they may be used as a replacement refrigerant for R134a in refrigeration and air conditioning, especially sports air conditioning applications. Those compositions containing hydrocarbons may also improve oil solubility with conventional mineral oils and alkylbenzene lubricants.
Example 3
Refrigeration performance data
Table 11 shows the performance of various refrigerant compositions of the present invention compared to R404A and R422A.
In Table 11, Evap Pres is evaporator pressure, Cond Pres is condenser pressure, Comp Disch T is compressor outlet temperature, EER is energy efficiency, and CAP is capacity. The data are based on the following conditions.
Note that superheat is taken into account in the cooling capacity calculation.
TABLE 11
Several compositions have similar energy efficiencies (COPs) as R404A and R422A. The discharge temperature is also lower than R404A and R507A. The capacity of the compositions of the present invention is also similar to that of R404A, R507A and R422A, indicating their potential use as replacement refrigerants in refrigeration and air conditioning. Those compositions containing hydrocarbons may also improve oil solubility with conventional mineral oils and alkylbenzene lubricants.
Example 4
Refrigeration performance data
Table 12 shows the performance of various refrigerant compositions of the present invention compared to HCFC-22, R410A, R407C, and R417A. In Table 12, Evap Pres is evaporator pressure, Cond Pres is condenser pressure, Comp Disch T is compressor outlet temperature, EER is energy efficiency, and CAP is capacity. The data are based on the following conditions.
Note that superheat is taken into account in the cooling capacity calculation.
TABLE 12
The compositions have Energy Efficiencies (EERs) similar to R22, R407C, R417A, and R410A, while maintaining low discharge temperatures. The capacity of the compositions of the present invention is also similar to that of R22, R407C and R417A, indicating their potential use as replacement refrigerants in refrigeration and air conditioning. Those compositions containing hydrocarbons may also improve oil solubility with conventional mineral oils and alkylbenzene lubricants.
Example 5
Refrigeration performance data
Table 13 shows the performance of various refrigerant compositions of the present invention compared to HCFC-22 and R410A. In Table 13, Evap Pres is evaporator pressure, Cond Pres is condenser pressure, Comp Disch T is compressor outlet temperature, EER is energy efficiency, and CAP is capacity. The data are based on the following conditions.
Note that superheat is taken into account in the cooling capacity calculation.
Watch 13
The compositions have Energy Efficiencies (EERs) similar to R22 and R410A while maintaining reasonable discharge temperatures. The capacity of the compositions of the present invention was also similar to that of R22, indicating their potential use as replacement refrigerants in refrigeration and air conditioning.
Example 6
Combustibility
The combustible compounds can be determined by Testing using an electronic ignition source under ASTM (American Society of Testing and materials) E681-01. Such flammability tests were conducted at various concentrations in air at 101kPa (14.7psia), 100 ℃ (212 ° F), and 50% relative humidity on HFC-1234yf, HFC-1225ye, and mixtures of the present disclosure to determine a Lower Flammability Limit (LFL) and an Upper Flammability Limit (UFL). The results are given in table 14.
TABLE 14
The results show that the addition of HFC-1225ye reduces flammability when HFC-1234yf is flammable. Thus, compositions comprising from about 1 wt% to about 49 wt% HFC-1234yf and from about 99 wt% to about 51 wt% HFC-1225ye are preferred.
Claims (15)
1. A composition consisting of 10wt% to 52wt% HFC-1234yf, 10wt% to 40wt% HFC-32 and 25wt% to 60wt% HFC-125.
2. The composition of claim 1 selected from the group consisting of:
25wt% HFC-32, 50wt% HFC-125 and 25wt% HFC-1234 yf;
30wt% HFC-32, 30wt% HFC-125 and 40wt% HFC-1234 yf;
20wt% HFC-32, 30wt% HFC-125 and 50wt% HFC-1234 yf;
40wt% HFC-32, 50wt% HFC-125 and 10wt% HFC-1234 yf;
23wt% HFC-32, 25wt% HFC-125 and 52wt% HFC-1234 yf;
15wt% HFC-32, 45wt% HFC-125 and 40wt% HFC-1234 yf; and
10wt% HFC-32, 60wt% HFC-125 and 30wt% HFC-1234 yf.
3. The composition of any of claims 1-2, further comprising a lubricant selected from the group consisting of polyol esters, polyalkylene glycols, polyvinyl ethers, mineral oils, alkylbenzenes, synthetic paraffins, synthetic naphthenes, and polyalphaolefins.
4. The composition of any of claims 1-2, further comprising a tracer selected from the group consisting of hydrofluorocarbons, deuterated hydrocarbons, deuterated hydrofluorocarbons, perfluorocarbons, fluoroethers, brominated compounds, iodinated compounds, alcohols, aldehydes, ketones, nitrous oxide (N)2O) and combinations thereof.
5. The composition of any of claims 1-2, further comprising an ultraviolet fluorescent dye selected from the group consisting of naphthalimides, perylenes, coumarins, anthracenes, phenanthrenes, xanthenes, thioxanthenes, benzoxanthenes, fluoresceins, and derivatives or combinations thereof.
6. The composition of claim 5 further comprising at least one solubilizing agent selected from the group consisting of hydrocarbons, dimethyl ethers, polyoxyalkylene glycol ethers, amides, ketones, nitriles, chlorinated hydrocarbons, esters, lactones, aryl ethers, hydrofluoroethers, and 1,1, 1-trifluoroalkanes.
7. The composition of any of claims 1-2, further comprising a stabilizer, a water scavenger, or an odor masking agent.
8. The composition of claim 7, wherein the stabilizer is selected from the group consisting of nitromethane, hindered phenols, hydroxylamines, thiols, phosphites, and lactones.
9. A method of refrigeration, the method comprising: evaporating the composition of any one of claims 1-2 in the vicinity of the body to be cooled, followed by condensing said composition.
10. A method of generating heat, the method comprising: condensing the composition of any one of claims 1-2 in the vicinity of the body to be heated, followed by evaporating said composition.
11. A method of replacing a high GWP refrigerant in a refrigeration, air-conditioning or heat pump apparatus, wherein the high GWP refrigerant is selected from the group consisting of R22, R410A, R407C, R417A, R422A, R507A, and R404A, the method comprising: providing a composition according to any of claims 1-2 to said refrigeration, air-conditioning or heat pump apparatus used, used or designed to use said high GWP refrigerant.
12. A method of using the composition of any of claims 1-2 as a heat transfer fluid composition, the method comprising transporting the composition from a heat source to a heat sink.
13. A method of making the composition of any one of claims 1-2, the method comprising:
(i) recovering an amount of one or more components of the refrigerant composition from at least one refrigerant container, (ii) removing impurities sufficient to enable reuse of the one or more recovered components, (iii) and optionally, mixing all or a portion of the recovered amount of components with at least one additional refrigerant composition or component.
14. A refrigeration, air-conditioning or heat pump apparatus comprising a composition according to any of claims 1 to 2.
15. The refrigeration, air-conditioning or heat pump apparatus of claim 14, comprising a vehicle air-conditioning apparatus.
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| US11/369,227 US20060243944A1 (en) | 2005-03-04 | 2006-03-02 | Compositions comprising a fluoroolefin |
| CNA2006800154380A CN101297016A (en) | 2005-03-04 | 2006-03-03 | Compositions comprising a fluoroolefin |
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| CN201910000638.8A Pending CN109897604A (en) | 2005-03-04 | 2006-03-03 | Composition comprising fluoroolefin |
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| CN201910881175.0A Pending CN110564372A (en) | 2005-03-04 | 2006-03-03 | Compositions comprising fluoroolefins |
| CN202111244244.0A Active CN113845884B (en) | 2005-03-04 | 2006-03-03 | Compositions comprising fluoroolefins |
| CN201910001475.5A Pending CN109971431A (en) | 2005-03-04 | 2006-03-03 | Composition comprising fluoroolefin |
| CN201910000605.3A Pending CN110003858A (en) | 2005-03-04 | 2006-03-03 | Composition comprising fluoroolefin |
| CNA2006800154380A Pending CN101297016A (en) | 2005-03-04 | 2006-03-03 | Compositions comprising a fluoroolefin |
| CN201910001471.7A Pending CN110003859A (en) | 2005-03-04 | 2006-03-03 | Composition comprising fluoroolefin |
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| CN201910000638.8A Pending CN109897604A (en) | 2005-03-04 | 2006-03-03 | Composition comprising fluoroolefin |
| CN201910001095.1A Active CN109971428B (en) | 2005-03-04 | 2006-03-03 | Compositions comprising fluoroolefins |
| CN201910881175.0A Pending CN110564372A (en) | 2005-03-04 | 2006-03-03 | Compositions comprising fluoroolefins |
| CN202111244244.0A Active CN113845884B (en) | 2005-03-04 | 2006-03-03 | Compositions comprising fluoroolefins |
| CN201910001475.5A Pending CN109971431A (en) | 2005-03-04 | 2006-03-03 | Composition comprising fluoroolefin |
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| CNA2006800154380A Pending CN101297016A (en) | 2005-03-04 | 2006-03-03 | Compositions comprising a fluoroolefin |
| CN201910001471.7A Pending CN110003859A (en) | 2005-03-04 | 2006-03-03 | Composition comprising fluoroolefin |
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| CN109897604A (en) | 2019-06-18 |
| CN110003859A (en) | 2019-07-12 |
| CN113549426B (en) | 2023-11-14 |
| CN110003858A (en) | 2019-07-12 |
| CN109971428A (en) | 2019-07-05 |
| CN110564372A (en) | 2019-12-13 |
| CN113845884A (en) | 2021-12-28 |
| CN113845884B (en) | 2024-02-02 |
| CN101297016A (en) | 2008-10-29 |
| CN109897605A (en) | 2019-06-18 |
| CN113549426A (en) | 2021-10-26 |
| CN109971431A (en) | 2019-07-05 |
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