WO2023275038A1 - Hydrierung von aromatischen aminen aus pu-zersetzungsprozessen - Google Patents
Hydrierung von aromatischen aminen aus pu-zersetzungsprozessen Download PDFInfo
- Publication number
- WO2023275038A1 WO2023275038A1 PCT/EP2022/067707 EP2022067707W WO2023275038A1 WO 2023275038 A1 WO2023275038 A1 WO 2023275038A1 EP 2022067707 W EP2022067707 W EP 2022067707W WO 2023275038 A1 WO2023275038 A1 WO 2023275038A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- ruthenium
- rhodium
- catalyst
- parts
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 58
- 150000004982 aromatic amines Chemical class 0.000 title claims abstract description 36
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 27
- 238000005984 hydrogenation reaction Methods 0.000 title claims description 14
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 48
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000003054 catalyst Substances 0.000 claims abstract description 38
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 30
- 239000010948 rhodium Substances 0.000 claims abstract description 30
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims abstract description 30
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000012535 impurity Substances 0.000 claims abstract description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000001257 hydrogen Substances 0.000 claims abstract description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920005862 polyol Polymers 0.000 claims abstract description 8
- 150000003077 polyols Chemical class 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000001298 alcohols Chemical class 0.000 claims abstract description 6
- 238000009903 catalytic hydrogenation reaction Methods 0.000 claims abstract description 6
- 150000002334 glycols Chemical class 0.000 claims abstract description 5
- 150000007524 organic acids Chemical class 0.000 claims abstract description 5
- 235000005985 organic acids Nutrition 0.000 claims abstract description 5
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 4
- 239000010941 cobalt Substances 0.000 claims abstract description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 4
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 4
- 239000004814 polyurethane Substances 0.000 claims description 51
- 229920002635 polyurethane Polymers 0.000 claims description 46
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 13
- 230000007062 hydrolysis Effects 0.000 claims description 12
- 238000006460 hydrolysis reaction Methods 0.000 claims description 12
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 11
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 11
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 11
- YQNQTEBHHUSESQ-UHFFFAOYSA-N lithium aluminate Chemical group [Li+].[O-][Al]=O YQNQTEBHHUSESQ-UHFFFAOYSA-N 0.000 claims description 10
- 239000012074 organic phase Substances 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 8
- 150000001412 amines Chemical group 0.000 claims description 7
- 239000008346 aqueous phase Substances 0.000 claims description 6
- SLRMQYXOBQWXCR-UHFFFAOYSA-N 2154-56-5 Chemical compound [CH2]C1=CC=CC=C1 SLRMQYXOBQWXCR-UHFFFAOYSA-N 0.000 claims description 4
- 150000001299 aldehydes Chemical group 0.000 claims description 4
- 150000003512 tertiary amines Chemical class 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 239000006069 physical mixture Substances 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 2
- 229940077464 ammonium ion Drugs 0.000 claims 6
- 150000003871 sulfonates Chemical class 0.000 claims 2
- VOZKAJLKRJDJLL-UHFFFAOYSA-N tolylenediamine group Chemical group CC1=C(C=C(C=C1)N)N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000203 mixture Substances 0.000 description 18
- 239000002585 base Substances 0.000 description 15
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 10
- -1 aliphatic amines Chemical class 0.000 description 9
- 229910052783 alkali metal Inorganic materials 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000012670 alkaline solution Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 125000001273 sulfonato group Chemical class [O-]S(*)(=O)=O 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004817 gas chromatography Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- IPILPUZVTYHGIL-UHFFFAOYSA-M tributyl(methyl)azanium;chloride Chemical compound [Cl-].CCCC[N+](C)(CCCC)CCCC IPILPUZVTYHGIL-UHFFFAOYSA-M 0.000 description 3
- RLYCRLGLCUXUPO-UHFFFAOYSA-N 2,6-diaminotoluene Chemical compound CC1=C(N)C=CC=C1N RLYCRLGLCUXUPO-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical class [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KIWBPDUYBMNFTB-UHFFFAOYSA-N Ethyl hydrogen sulfate Chemical compound CCOS(O)(=O)=O KIWBPDUYBMNFTB-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000008051 alkyl sulfates Chemical class 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- KXHPPCXNWTUNSB-UHFFFAOYSA-M benzyl(trimethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CC1=CC=CC=C1 KXHPPCXNWTUNSB-UHFFFAOYSA-M 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 150000007942 carboxylates Chemical class 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000004820 halides Chemical group 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical group 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 2
- SHFJWMWCIHQNCP-UHFFFAOYSA-M hydron;tetrabutylazanium;sulfate Chemical compound OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC SHFJWMWCIHQNCP-UHFFFAOYSA-M 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- PCHXZXKMYCGVFA-UHFFFAOYSA-N 1,3-diazetidine-2,4-dione Chemical compound O=C1NC(=O)N1 PCHXZXKMYCGVFA-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- AOPDRZXCEAKHHW-UHFFFAOYSA-N 1-pentoxypentane Chemical compound CCCCCOCCCCC AOPDRZXCEAKHHW-UHFFFAOYSA-N 0.000 description 1
- OHKOAJUTRVTYSW-UHFFFAOYSA-N 2-[(2-aminophenyl)methyl]aniline Chemical compound NC1=CC=CC=C1CC1=CC=CC=C1N OHKOAJUTRVTYSW-UHFFFAOYSA-N 0.000 description 1
- UTNMPUFESIRPQP-UHFFFAOYSA-N 2-[(4-aminophenyl)methyl]aniline Chemical compound C1=CC(N)=CC=C1CC1=CC=CC=C1N UTNMPUFESIRPQP-UHFFFAOYSA-N 0.000 description 1
- FZZMTSNZRBFGGU-UHFFFAOYSA-N 2-chloro-7-fluoroquinazolin-4-amine Chemical compound FC1=CC=C2C(N)=NC(Cl)=NC2=C1 FZZMTSNZRBFGGU-UHFFFAOYSA-N 0.000 description 1
- CNPURSDMOWDNOQ-UHFFFAOYSA-N 4-methoxy-7h-pyrrolo[2,3-d]pyrimidin-2-amine Chemical compound COC1=NC(N)=NC2=C1C=CN2 CNPURSDMOWDNOQ-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- XBPCUCUWBYBCDP-UHFFFAOYSA-N Dicyclohexylamine Chemical class C1CCCCC1NC1CCCCC1 XBPCUCUWBYBCDP-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910000318 alkali metal phosphate Inorganic materials 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 description 1
- QQQCWVDPMPFUGF-ZDUSSCGKSA-N alpinetin Chemical compound C1([C@H]2OC=3C=C(O)C=C(C=3C(=O)C2)OC)=CC=CC=C1 QQQCWVDPMPFUGF-ZDUSSCGKSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 150000003946 cyclohexylamines Chemical class 0.000 description 1
- OCDXZFSOHJRGIL-UHFFFAOYSA-N cyclohexyloxycyclohexane Chemical compound C1CCCCC1OC1CCCCC1 OCDXZFSOHJRGIL-UHFFFAOYSA-N 0.000 description 1
- WJTCGQSWYFHTAC-UHFFFAOYSA-N cyclooctane Chemical compound C1CCCCCCC1 WJTCGQSWYFHTAC-UHFFFAOYSA-N 0.000 description 1
- 239000004914 cyclooctane Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- ZUZLIXGTXQBUDC-UHFFFAOYSA-N methyltrioctylammonium Chemical compound CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC ZUZLIXGTXQBUDC-UHFFFAOYSA-N 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920000582 polyisocyanurate Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- 235000019798 tripotassium phosphate Nutrition 0.000 description 1
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 1
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical compound NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/62—Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
- C07C209/70—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton by reduction of unsaturated amines
- C07C209/72—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton by reduction of unsaturated amines by reduction of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Definitions
- the starting product comprising the aromatic amines preferably methylenedianiline and/or toluylenediamine, thus contains >75% by weight, preferably >85% by weight, more preferably >90% by weight, particularly preferably >95% by weight, in particular >98% by weight of aromatic amines, preferably comprising methylenedianiline and/or toluylenediamine, and ⁇ 25% by weight, preferably ⁇ 15% by weight, more preferably ⁇ 10% by weight, particularly preferably ⁇ 5% by weight, in particular ⁇ 2% by weight of impurities, such as in particular alcohols, glycols, polyols, organic acids, tertiary amines, quaternary amines, aldehydes and/or water.
- impurities such as in particular alcohols, glycols, polyols, organic acids, tertiary amines, quaternary amines, aldehydes and/or water.
- the organic phase comprising the aromatic amines
- these can be recovered from the organic phase, for example distilled off.
- Preferred bases include an alkali metal cation and/or an ammonium cation.
- Preferred bases here are alkali metal phosphates, alkali metal hydrogen phosphates, alkali metal carbonates, alkali metal silicates, alkali metal hydrogen carbonates, alkali metal acetates, alkali metal sulfites, ammonium hydroxides or mixtures of the aforementioned.
- Preferred alkali metals are Na, K or Li or mixtures of the aforementioned, in particular Na or K or mixtures thereof; preferred ammonium cation is NhV.
- X is selected from halide, preferably chloride and/or bromide, bisulfate, alkyl sulfate, preferably methyl sulfate or ethyl sulfate, carbonate, bicarbonate or carboxylate, preferably acetate or hydroxide.
- the reaction was started by heating the temperature of the reactor to 185°C over a period of 90 minutes. During this time, the reactor pressure rose to about 100 bar. This pressure was then maintained by a hydrogen regulator.
- the recycled toluenediamine resulted from a PU decomposition process which was based on hydrolysis, carried out according to claims 12 and 13 (based on WO2022042909A1).
- the toluenediamine produced according to claims 12 and 13 had a purity of 96.9% (GC%) (main secondary component: 0.82% polyol).
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22738455.9A EP4363397A1 (de) | 2021-07-02 | 2022-06-28 | Hydrierung von aromatischen aminen aus pu-zersetzungsprozessen |
CN202280047220.2A CN117642377A (zh) | 2021-07-02 | 2022-06-28 | 源自聚氨酯分解工艺中的芳香胺的氢化 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21183456 | 2021-07-02 | ||
EP21183456.9 | 2021-07-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023275038A1 true WO2023275038A1 (de) | 2023-01-05 |
Family
ID=77042677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/067707 WO2023275038A1 (de) | 2021-07-02 | 2022-06-28 | Hydrierung von aromatischen aminen aus pu-zersetzungsprozessen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4363397A1 (de) |
CN (1) | CN117642377A (de) |
WO (1) | WO2023275038A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023208946A1 (de) | 2022-04-27 | 2023-11-02 | Covestro Deutschland Ag | Verfahren zur wiedergewinnung von rohstoffen aus isocyanurat-haltigen polyurethanprodukten |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5208379A (en) | 1992-05-14 | 1993-05-04 | Arco Chemical Technology, L.P. | Hydrolysis of polyurethanes |
EP1604972A1 (de) | 2004-05-19 | 2005-12-14 | Air Products And Chemicals, Inc. | Hydrierung von stark verunreinigten Methylendianilin |
WO2022042910A1 (en) | 2020-08-24 | 2022-03-03 | Evonik Operations Gmbh | New depolymerization method for polyurethanes |
WO2022042909A1 (en) | 2020-08-24 | 2022-03-03 | Evonik Operations Gmbh | Depolymerization of polyurethanes under mild conditions |
-
2022
- 2022-06-28 EP EP22738455.9A patent/EP4363397A1/de active Pending
- 2022-06-28 WO PCT/EP2022/067707 patent/WO2023275038A1/de active Application Filing
- 2022-06-28 CN CN202280047220.2A patent/CN117642377A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5208379A (en) | 1992-05-14 | 1993-05-04 | Arco Chemical Technology, L.P. | Hydrolysis of polyurethanes |
EP1604972A1 (de) | 2004-05-19 | 2005-12-14 | Air Products And Chemicals, Inc. | Hydrierung von stark verunreinigten Methylendianilin |
WO2022042910A1 (en) | 2020-08-24 | 2022-03-03 | Evonik Operations Gmbh | New depolymerization method for polyurethanes |
WO2022042909A1 (en) | 2020-08-24 | 2022-03-03 | Evonik Operations Gmbh | Depolymerization of polyurethanes under mild conditions |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023208946A1 (de) | 2022-04-27 | 2023-11-02 | Covestro Deutschland Ag | Verfahren zur wiedergewinnung von rohstoffen aus isocyanurat-haltigen polyurethanprodukten |
Also Published As
Publication number | Publication date |
---|---|
CN117642377A (zh) | 2024-03-01 |
EP4363397A1 (de) | 2024-05-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60302898T2 (de) | Verfahren zur erhöhung der selektivität der hydrierung von 4,4 -diaminodiphenylmethan zu 4,4 -diaminodicyclohexylmethan in gegenwart eines n-alkyl-4,4 -diaminodiphenylmethans | |
EP1420012B1 (de) | Verfahren zur Herstellung von aliphatischen Isocyanaten aus aromatischen Isocyanaten | |
EP2279165B1 (de) | Chlor armes mehrstufiges verfahren zur herstellung von cycloaliphatischen diisocyanaten | |
EP2367783B1 (de) | Verfahren zur herstellung eines isocyanats | |
DE102010062594A1 (de) | Verfahren zur Herstellung von 3-Aminomethyl-3,5,5-trimethylcyclohexylamin | |
EP2421818B1 (de) | Verfahren zur herstellung von farbstabilem mda und mdi | |
EP2493850B1 (de) | Verfahren zur koppelproduktion von di- und/oder polyisocyanaten und glykolen | |
WO2010000382A2 (de) | Verfahren zur herstellung von neopentylglykol | |
DE112006001236T5 (de) | Verfahren zur Herstellung von 4-Aminodiphenylamin | |
DE112019002562T5 (de) | Verfahren zur Herstellung von ungesättigten Ketonen | |
WO2023275038A1 (de) | Hydrierung von aromatischen aminen aus pu-zersetzungsprozessen | |
EP0729937A1 (de) | Verfahren zur Herstellung von 3-Aminomethyl-3,5,5-trimethylcyclohexylamin | |
DE2905507C2 (de) | ||
EP0066210A1 (de) | Katalytische Hydrierung von Di-(4-aminophenyl)methan | |
EP2556046B1 (de) | Verfahren zur herstellung von unsymmetrischen sekundären tert-butylaminen in der flüssigphase | |
EP1420013B1 (de) | Verfahren zur Hydrierung von aromatischen Urethanen in Gegenwart eines geträgerten Rutheniumkatalysators | |
DE19624485A1 (de) | Verfahren zur Hydrierung einer aromatischen Verbindung in Gegenwart eines geträgerten Rutheniumkatalysators | |
DE2551055A1 (de) | Verfahren zur herstellung von 1,3- oder 1,4-bis-(aminomethyl)-cyclohexan | |
DE2164169B2 (de) | Verfahren zur Herstellung von 13- bzw. M-Bis-aminomethyl-cyclohexan | |
EP0028337B1 (de) | Verfahren zur Herstellung von Mischungen aus Diphenylmethan-diisocyanaten und Polyphenyl-polymethylen-polyisocyanaten | |
DE2945614C2 (de) | ||
DE2927714A1 (de) | Verfahren zur herstellung von 4,4'-alkyliden-diphenyl-diisocyanaten | |
DE3003730C2 (de) | ||
EP1581481A1 (de) | Verbesserte neutralisation von isophoronnitril-syntheseausträgen | |
EP0105146A1 (de) | Verfahren zur Herstellung von Diaminen oder Diamingemischen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22738455 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18575878 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280047220.2 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022738455 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2022738455 Country of ref document: EP Effective date: 20240202 |