EP3994198A1 - Verfahren zur herstellung von polyetherestercarbonatpolyolen - Google Patents
Verfahren zur herstellung von polyetherestercarbonatpolyolenInfo
- Publication number
- EP3994198A1 EP3994198A1 EP20734069.6A EP20734069A EP3994198A1 EP 3994198 A1 EP3994198 A1 EP 3994198A1 EP 20734069 A EP20734069 A EP 20734069A EP 3994198 A1 EP3994198 A1 EP 3994198A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alkylene oxide
- lactide
- functional starter
- reactor
- polyols
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- -1 ester carbonate polyols Chemical class 0.000 title claims abstract description 100
- 229920005862 polyol Polymers 0.000 title claims abstract description 92
- 229920000570 polyether Polymers 0.000 title claims abstract description 46
- 239000004721 Polyphenylene oxide Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 128
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 89
- 239000000126 substance Substances 0.000 claims abstract description 87
- 239000003054 catalyst Substances 0.000 claims abstract description 76
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 70
- 238000000034 method Methods 0.000 claims abstract description 63
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 58
- 229910052751 metal Inorganic materials 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 56
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000375 suspending agent Substances 0.000 claims abstract description 12
- 239000007858 starting material Substances 0.000 claims description 89
- 239000000203 mixture Substances 0.000 claims description 45
- 239000011541 reaction mixture Substances 0.000 claims description 35
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 28
- 150000003077 polyols Chemical class 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 25
- 239000000725 suspension Substances 0.000 claims description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 17
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 15
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 14
- 125000005842 heteroatom Chemical group 0.000 claims description 14
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 13
- 239000012298 atmosphere Substances 0.000 claims description 12
- 150000001298 alcohols Chemical class 0.000 claims description 11
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 10
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- 229930195729 fatty acid Natural products 0.000 claims description 10
- 239000000194 fatty acid Substances 0.000 claims description 10
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 9
- 229920000515 polycarbonate Polymers 0.000 claims description 9
- 239000004417 polycarbonate Substances 0.000 claims description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- 125000001033 ether group Chemical group 0.000 claims description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 7
- 229920005906 polyester polyol Polymers 0.000 claims description 7
- 150000003573 thiols Chemical class 0.000 claims description 7
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 6
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 claims description 5
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 claims description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 5
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 claims description 5
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 5
- 239000004359 castor oil Substances 0.000 claims description 5
- 235000019438 castor oil Nutrition 0.000 claims description 5
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 5
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims description 5
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- 229920000166 polytrimethylene carbonate Polymers 0.000 claims description 5
- 235000013772 propylene glycol Nutrition 0.000 claims description 5
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 4
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 claims description 4
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- JJTUDXZGHPGLLC-QWWZWVQMSA-N (3r,6r)-3,6-dimethyl-1,4-dioxane-2,5-dione Chemical compound C[C@H]1OC(=O)[C@@H](C)OC1=O JJTUDXZGHPGLLC-QWWZWVQMSA-N 0.000 claims description 3
- RKDVKSZUMVYZHH-UHFFFAOYSA-N 1,4-dioxane-2,5-dione Chemical compound O=C1COC(=O)CO1 RKDVKSZUMVYZHH-UHFFFAOYSA-N 0.000 claims description 3
- BSDLHDSKWLPXIW-UHFFFAOYSA-N 3-hexyl-6-methyl-1,4-dioxane-2,5-dione Chemical compound CCCCCCC1OC(=O)C(C)OC1=O BSDLHDSKWLPXIW-UHFFFAOYSA-N 0.000 claims description 3
- MVXNGTMKSZHHCO-UHFFFAOYSA-N 3-methyl-1,4-dioxane-2,5-dione Chemical compound CC1OC(=O)COC1=O MVXNGTMKSZHHCO-UHFFFAOYSA-N 0.000 claims description 3
- 229920002873 Polyethylenimine Polymers 0.000 claims description 3
- 150000001414 amino alcohols Chemical class 0.000 claims description 3
- 150000005840 aryl radicals Chemical class 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 claims description 3
- 235000019960 monoglycerides of fatty acid Nutrition 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 125000003367 polycyclic group Chemical group 0.000 claims description 3
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 claims description 3
- 229960003656 ricinoleic acid Drugs 0.000 claims description 3
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- QDNGPKDNWWZJKE-UHFFFAOYSA-N 3,6-bis(but-3-enyl)-1,4-dioxane-2,5-dione Chemical compound C=CCCC1OC(=O)C(CCC=C)OC1=O QDNGPKDNWWZJKE-UHFFFAOYSA-N 0.000 claims 1
- XKTYXVDYIKIYJP-UHFFFAOYSA-N 3h-dioxole Chemical compound C1OOC=C1 XKTYXVDYIKIYJP-UHFFFAOYSA-N 0.000 claims 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims 1
- 239000003999 initiator Substances 0.000 abstract description 3
- 238000007792 addition Methods 0.000 description 30
- 150000002825 nitriles Chemical class 0.000 description 18
- 230000004913 activation Effects 0.000 description 16
- 239000003446 ligand Substances 0.000 description 16
- 238000007334 copolymerization reaction Methods 0.000 description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 150000003839 salts Chemical class 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000005406 washing Methods 0.000 description 12
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 11
- 239000000178 monomer Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 9
- 229910002651 NO3 Inorganic materials 0.000 description 9
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 9
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 9
- 150000001450 anions Chemical class 0.000 description 9
- 150000007942 carboxylates Chemical class 0.000 description 9
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 9
- 150000004820 halides Chemical class 0.000 description 9
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 9
- 239000012948 isocyanate Substances 0.000 description 9
- 150000002513 isocyanates Chemical class 0.000 description 9
- 150000002540 isothiocyanates Chemical class 0.000 description 9
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 9
- 239000000376 reactant Substances 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 7
- 150000001768 cations Chemical class 0.000 description 7
- SZAVHWMCBDFDCM-KTTJZPQESA-N cobalt-60(3+);hexacyanide Chemical compound [60Co+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] SZAVHWMCBDFDCM-KTTJZPQESA-N 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- HNVRRHSXBLFLIG-UHFFFAOYSA-N 3-hydroxy-3-methylbut-1-ene Chemical compound CC(C)(O)C=C HNVRRHSXBLFLIG-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 125000005587 carbonate group Chemical group 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 238000010348 incorporation Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 6
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 5
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- 238000005119 centrifugation Methods 0.000 description 5
- 150000004665 fatty acids Chemical class 0.000 description 5
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 229940043375 1,5-pentanediol Drugs 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 4
- RKBAPHPQTADBIK-UHFFFAOYSA-N cobalt;hexacyanide Chemical compound [Co].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] RKBAPHPQTADBIK-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 150000005676 cyclic carbonates Chemical class 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 150000005846 sugar alcohols Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- BZAZNULYLRVMSW-UHFFFAOYSA-N 2-Methyl-2-buten-3-ol Natural products CC(C)=C(C)O BZAZNULYLRVMSW-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- CEBKHWWANWSNTI-UHFFFAOYSA-N 2-methylbut-3-yn-2-ol Chemical compound CC(C)(O)C#C CEBKHWWANWSNTI-UHFFFAOYSA-N 0.000 description 3
- JJTUDXZGHPGLLC-IMJSIDKUSA-N 4511-42-6 Chemical compound C[C@@H]1OC(=O)[C@H](C)OC1=O JJTUDXZGHPGLLC-IMJSIDKUSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 3
- ACIAHEMYLLBZOI-ZZXKWVIFSA-N Unsaturated alcohol Chemical compound CC\C(CO)=C/C ACIAHEMYLLBZOI-ZZXKWVIFSA-N 0.000 description 3
- 150000002118 epoxides Chemical class 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
- 239000011976 maleic acid Substances 0.000 description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 3
- QMMOXUPEWRXHJS-UHFFFAOYSA-N pentene-2 Natural products CCC=CC QMMOXUPEWRXHJS-UHFFFAOYSA-N 0.000 description 3
- 239000003880 polar aprotic solvent Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 238000004611 spectroscopical analysis Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical compound SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- 150000003626 triacylglycerols Chemical class 0.000 description 3
- 239000011592 zinc chloride Substances 0.000 description 3
- 235000005074 zinc chloride Nutrition 0.000 description 3
- NLQMSBJFLQPLIJ-UHFFFAOYSA-N (3-methyloxetan-3-yl)methanol Chemical compound OCC1(C)COC1 NLQMSBJFLQPLIJ-UHFFFAOYSA-N 0.000 description 2
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- BBMCTIGTTCKYKF-UHFFFAOYSA-N 1-heptanol Chemical compound CCCCCCCO BBMCTIGTTCKYKF-UHFFFAOYSA-N 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- CETWDUZRCINIHU-UHFFFAOYSA-N 2-heptanol Chemical compound CCCCCC(C)O CETWDUZRCINIHU-UHFFFAOYSA-N 0.000 description 2
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical compound OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 description 2
- GRFNBEZIAWKNCO-UHFFFAOYSA-N 3-pyridinol Chemical compound OC1=CC=CN=C1 GRFNBEZIAWKNCO-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
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- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
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- 235000011054 acetic acid Nutrition 0.000 description 1
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 1
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- 229910052783 alkali metal Inorganic materials 0.000 description 1
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- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
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- 239000012459 cleaning agent Substances 0.000 description 1
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- ODADONMDNZJQMW-UHFFFAOYSA-N diethoxy-ethyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](CC)(OCC)CCCOCC1CO1 ODADONMDNZJQMW-UHFFFAOYSA-N 0.000 description 1
- WHGNXNCOTZPEEK-UHFFFAOYSA-N dimethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](C)(OC)CCCOCC1CO1 WHGNXNCOTZPEEK-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 description 1
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- 239000005431 greenhouse gas Substances 0.000 description 1
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- FBPFZTCFMRRESA-UHFFFAOYSA-N hexane-1,2,3,4,5,6-hexol Chemical compound OCC(O)C(O)C(O)C(O)CO FBPFZTCFMRRESA-UHFFFAOYSA-N 0.000 description 1
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- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002563 ionic surfactant Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- GYCHYNMREWYSKH-UHFFFAOYSA-L iron(ii) bromide Chemical compound [Fe+2].[Br-].[Br-] GYCHYNMREWYSKH-UHFFFAOYSA-L 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- UCAOGXRUJFKQAP-UHFFFAOYSA-N n,n-dimethyl-5-nitropyridin-2-amine Chemical compound CN(C)C1=CC=C([N+]([O-])=O)C=N1 UCAOGXRUJFKQAP-UHFFFAOYSA-N 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- QQZOPKMRPOGIEB-UHFFFAOYSA-N n-butyl methyl ketone Natural products CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- WOFPPJOZXUTRAU-UHFFFAOYSA-N octan-4-ol Chemical compound CCCCC(O)CCC WOFPPJOZXUTRAU-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 235000010292 orthophenyl phenol Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229940100684 pentylamine Drugs 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 229920000191 poly(N-vinyl pyrrolidone) Polymers 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- ADXGNEYLLLSOAR-UHFFFAOYSA-N tasosartan Chemical compound C12=NC(C)=NC(C)=C2CCC(=O)N1CC(C=C1)=CC=C1C1=CC=CC=C1C=1N=NNN=1 ADXGNEYLLLSOAR-UHFFFAOYSA-N 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- YJUIKPXYIJCUQP-UHFFFAOYSA-N trizinc;iron(3+);dodecacyanide Chemical compound [Fe+3].[Fe+3].[Zn+2].[Zn+2].[Zn+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] YJUIKPXYIJCUQP-UHFFFAOYSA-N 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- 229940102001 zinc bromide Drugs 0.000 description 1
- JDLYKQWJXAQNNS-UHFFFAOYSA-L zinc;dibenzoate Chemical compound [Zn+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 JDLYKQWJXAQNNS-UHFFFAOYSA-L 0.000 description 1
- NHXVNEDMKGDNPR-UHFFFAOYSA-N zinc;pentane-2,4-dione Chemical compound [Zn+2].CC(=O)[CH-]C(C)=O.CC(=O)[CH-]C(C)=O NHXVNEDMKGDNPR-UHFFFAOYSA-N 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/18—Block or graft polymers
- C08G64/183—Block or graft polymers containing polyether sequences
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/32—General preparatory processes using carbon dioxide
- C08G64/34—General preparatory processes using carbon dioxide and cyclic ethers
Definitions
- the present invention relates to a process for the production of polyether ester carbonate polyols by adding alkylene oxide, lactide and carbon dioxide onto an H-functional starter substance in the presence of a double metal cyanide catalyst.
- the invention also relates to a polyetherester carbonate polyol which can be obtained by this process.
- WO 2013/087582 A2 discloses the terpolymerization of propylene oxide, anhydrides and carbon dioxide in the presence of a double metal cyanide catalyst, one or more functional starter substances being placed in the reactor. Neither lactides nor the viscosity of the polyetherester carbonate polyols obtained are disclosed.
- EP 2 604 642 A1 has a process for the production of polyether carbonate polyols by catalytic addition of carbon dioxide and alkylene oxides to one or more H-functional starter substances in the presence of double metal cyanide (DMC) catalyst, the DMC catalyst and at least in a first activation stage an H-functional starter substance is presented and the DMC catalyst is activated in a second activation stage by adding at least one alkylene oxide, CO2 and at least one cyclic anhydride, and at least one alkylene oxide and CO2 are added in a third step [polymerization stage]. Neither lactides nor the viscosity of the polyetherester carbonate polyols obtained are disclosed.
- DMC double metal cyanide
- WO 2014/033070 A1 discloses a process for the production of polyether carbonate polyols by adding alkylene oxides and carbon dioxide onto one or more H-functional starter substances in the presence of a double metal cyanide catalyst, wherein a
- Suspending agent which does not contain any H-functional groups and is selected from one or more compounds from the group consisting of aliphatic lactones, aromatic lactones, lactides, cyclic carbonates with at least three optionally substituted methylene groups between the oxygen atoms of the carbonate group, aliphatic cyclic anhydrides and aromatic cyclic anhydrides Anhydrides, is placed in a reactor and one or more H-functional starter substances are continuously metered into the reactor during the reaction. Neither will there be any effect of lactides on the viscosity of the
- Polyether carbonate polyol also discloses the addition of lactides during the
- Polyetherester carbonate polyol has a low viscosity.
- the object was achieved by a process for the production of polyether ester carbonate polyols by the catalytic addition of alkylene oxide and carbon dioxide onto an H-functional starter substance in the presence of a double metal cyanide catalyst, comprising the steps:
- step (g) lactide is metered into the reactor To step (a):
- a partial amount of H-functional starter substance and / or a suspension medium which has no H-functional groups can first be placed in the reactor.
- the amount of DMC catalyst required for the polyaddition is then optionally added to the reactor.
- the order in which they are added is not critical. It is also possible to first fill the DMC catalyst and then a partial amount of H-functional starter substance into the reactor.
- the DMC catalyst can also first be suspended in a partial amount of functional starter substance and the suspension can then be filled into the reactor.
- step (a) an H-functional starter substance is placed in the reactor, optionally together with DMC catalyst, and no suspending agent which does not contain any H-functional groups is placed in the reactor.
- the DMC catalyst is preferably used in an amount such that the content of catalyst in the resulting reaction product is 10 to 10,000 ppm, particularly preferably 20 to 5000 ppm and most preferably 50 to 500 ppm
- inert gas for example argon or nitrogen, for example argon or nitrogen
- inert gas is added to the resulting mixture of (a) a partial amount of H-functional starter substance and (b) DMC catalyst at a temperature of 90 to 150 ° C, particularly preferably 100 to 140 ° C ), an inert gas-carbon dioxide mixture or carbon dioxide is introduced and a reduced pressure (absolute) of 10 mbar to 800 mbar, particularly preferably 50 mbar to 200 mbar, is applied at the same time.
- an inert gas-carbon dioxide mixture or carbon dioxide is applied and the overpressure is then reduced to approx. 1 bar (absolute).
- the DMC catalyst can be added in solid form or as a suspension in a suspension medium which does not contain any H-functional groups, in an H-functional starter substance or in a mixture of the above.
- step (a) in step (a)
- the temperature of the partial amount of H-functional starter substance is brought to 50 to 200 ° C., preferably 80 to 160 ° C., particularly preferably 100 to 140 ° C. and / or the pressure in the reactor to less than 500 mbar, preferably 5 mbar reduced to 100 mbar, where appropriate an inert gas stream (for example of argon or nitrogen), an inert gas-carbon dioxide stream or a carbon dioxide stream is passed through the reactor,
- an inert gas stream for example of argon or nitrogen
- DMC catalyst is added to the partial amount of H-functional starter substance in step (a-I) or immediately thereafter in step (a-II).
- the partial amount of the H-functional starter substance used in (a) can contain a component K, preferably in an amount of at least 50 ppm, particularly preferably from 100 to 10,000 ppm.
- step (a) is carried out in the absence of lactide.
- Step (ß) is used to activate the DMC catalyst.
- This step can optionally be carried out under an inert gas atmosphere, under an atmosphere of an inert gas-carbon dioxide mixture or under a carbon dioxide atmosphere.
- Activation in the context of this invention is a step in which a partial amount of alkylene oxide is added to the DMC catalyst suspension at temperatures of 90 to 150 ° C and the addition of the alkylene oxide is then interrupted, with the development of heat due to a subsequent exothermic chemical reaction which can lead to a temperature spike (“hotspot”) and a pressure drop in the reactor is observed due to the conversion of alkylene oxide and possibly CO2.
- hotspot temperature spike
- the process step of activation is the period of time from the addition of the partial amount of alkylene oxide, optionally in the presence of CO2, to the DMC catalyst until the development of heat occurs.
- the partial amount of the alkylene oxide can be added to the DMC catalyst in several individual steps, if appropriate in the presence of CO 2, and the addition of the alkylene oxide can then be interrupted in each case.
- the process step of activation comprises the time span from the addition of the first partial amount of alkylene oxide, optionally in the presence of CO 2, to the DMC catalyst until the development of heat occurs after the addition of the last partial amount of alkylene oxide.
- the activation step can be preceded by a step for drying the DMC catalyst and optionally the H-functional starter substance at elevated temperature and / or reduced pressure, optionally with an inert gas being passed through the reaction mixture.
- the metering of the alkylene oxide (and optionally the carbon dioxide) can in principle take place in different ways. Dosing can be started from the vacuum or with a previously selected pre-pressure.
- the admission pressure is preferably set by introducing an inert gas (such as nitrogen or argon) or carbon dioxide, the pressure (absolute) being 5 mbar to 100 bar, preferably 10 mbar to 50 bar and preferably 20 mbar to 50 bar.
- the amount of alkylene oxide used in the activation in step ( ⁇ ) is 0.1 to 25.0% by weight, preferably 1.0 to 20.0% by weight, particularly preferably 2.0 to 16 , 0 wt .-% (based on the amount of bi-functional starter substance used in step (a)).
- the alkylene oxide can be added in one step or in portions in several partial amounts. After a portion of the alkylene oxide has been added, the addition of the alkylene oxide is preferably interrupted until the evolution of heat occurs and only then is the next portion of alkylene oxide added. A two-stage activation (step ⁇ ) is also preferred, with
- H-functional starter substance is preferably metered into the reactor continuously during the reaction, and alkylene oxide, lactide and optionally carbon dioxide are metered into the reactor simultaneously or sequentially (in portions) during the reaction.
- alkylene oxide, lactide and carbon dioxide are metered into the reactor simultaneously and continuously during the reaction.
- the total amount of carbon dioxide, the amount of H-functional starter substance and / or the amount of alkylene oxide and lactide dosed in step (g) can be added all at once or continuously.
- the term "continuously" used here can be defined as the mode of adding a reactant in such a way that a concentration of the reactant effective for the copolymerization is maintained, i.e. the metering can be carried out, for example, at a constant metering rate, with a varying metering rate or in portions.
- the term “copolymerization” is understood to mean the polymerization of at least two different monomeric compounds, that is, also the polymerization of three different monomers, which is always referred to as “terpolymerization”, or the polymerization of four or more includes different monomers. It is possible, during the addition of alkylene oxide, lactide and / or H-functional starter substance, to increase or decrease the CCL pressure gradually or gradually or to keep it the same. The total pressure during the reaction is preferably reduced by metering in more kept constant in carbon dioxide. The metering of alkylene oxide and / or H-functional starter substance takes place simultaneously or sequentially with the metering of carbon dioxide.
- alkylene oxide and / or lactide It is possible to meter in alkylene oxide and / or lactide at a constant metering rate or to increase or decrease the metering rate gradually or step-wise or to add alkylene oxide and / or lactide in portions.
- Alkylene oxide and / or lactide is preferably added to the reaction mixture at a constant metering rate. If several alkylene oxides and / or lactides are used to synthesize the polyether ester carbonate polyols, the alkylene oxides and / or the lactides can be metered in individually or as a mixture.
- alkylene oxide and lactide is preferably carried out via separate metering points. However, a mixture of alkylene oxide and lactide can also be dosed.
- the metering of alkylene oxide or H-functional starter substance can be carried out simultaneously or sequentially via separate meterings (additions) in each case or via one or more meterings, with the alkylene oxides or H-functional starter substances being metered in individually or as a mixture.
- the type and / or order in which the H-functional starter substance, alkylene oxide, lactide and / or carbon dioxide is metered in makes it possible to synthesize random, alternating, block-like or gradient-like polyetherester carbonate polyols.
- an excess of carbon dioxide based on the calculated amount of built-in carbon dioxide in the polyetherester carbonate polyol is used, since an excess of carbon dioxide is advantageous due to the inertia of carbon dioxide.
- the amount of carbon dioxide can be determined via the total pressure under the respective reaction conditions. The range from 0.01 to 120 bar, preferably 0.1 to 110 bar, particularly preferably from 1 to 100 bar, has proven to be advantageous as the total pressure (absolute) for the copolymerization for the preparation of the polyetherester carbonate polyols. It is possible to supply the carbon dioxide continuously or discontinuously. This depends on how quickly the alkylene oxides are consumed and whether the product should contain CCL-free polyether blocks.
- the amount of carbon dioxide can also vary with the addition of the alkylene oxides.
- CO2 can also be added to the reactor as a pesticide and then under the selected reaction conditions it can change into the gaseous, dissolved, liquid and / or supercritical state.
- a preferred embodiment of the method according to the invention is characterized, inter alia, in that in step (g) the total amount of H-functional starter substance is added. This addition can take place at a constant metering rate, with a varying metering rate or in portions.
- the copolymerization (step (g)) for the preparation of the polyetherester carbonate polyols is advantageously at 50 to 150 ° C, preferably at 60 to 145 ° C, particularly preferably at 70 to 140 ° C and very particularly preferably is carried out at 90 to 130 ° C. If temperatures are set below 50 ° C., the reaction is generally very slow. At temperatures above 150 ° C., the amount of undesired by-products increases sharply.
- Steps (a), ( ⁇ ) and (g) can be carried out in the same reactor or separately in each case in different reactors.
- Particularly preferred reactor types are: tubular reactors, stirred kettles, loop reactors.
- Polyetherester carbonate polyols can be produced in a stirred tank, the stirred tank being cooled, depending on the embodiment and mode of operation, via the reactor jacket, internal cooling surfaces and / or cooling surfaces located in a pumping circuit. Particular attention should be paid to the metering rate of the alkylene oxide both in the semibatch application, in which the product is only removed after the end of the reaction, and in the continuous application, in which the product is removed continuously. It is to be set so that the alkylene oxides react sufficiently quickly despite the inhibiting effect of the carbon dioxide.
- the concentration of free alkylene oxide in the reaction mixture during the activation step (step ⁇ ) is preferably> 0 to 100% by weight, particularly preferably> 0 to 50% by weight, most preferably> 0 to 20% by weight (in each case based on the weight of the reaction mixture).
- the concentration of free alkylene oxide in the reaction mixture during the reaction (step g) is preferably> 0 to 40% by weight, particularly preferably> 0 to 25% by weight, most preferably> 0 to 15% by weight (in each case based on based on the weight of the reaction mixture).
- the activated DMC catalyst / suspension medium mixture resulting from steps (a) and ( ⁇ ) is reacted further in the same reactor with alkylene oxide, H-functional starter substance and carbon dioxide.
- the activated catalyst / suspension medium mixture, H-functional starter substance, alkylene oxide and carbon dioxide resulting from steps (a) and ( ⁇ ) are continuously pumped through a tube.
- the molar ratios of the reactants vary depending on the polymer desired.
- carbon dioxide is metered in in its liquid or supercritical form in order to enable optimal miscibility of the components.
- mixing elements are installed for better mixing of the reactants, such as those sold by Ehrfeld Mikrotechnik BTS GmbH, for example, or mixer / heat exchanger elements which simultaneously improve mixing and heat dissipation.
- Loop reactors can also be used to produce polyetherester carbonate polyols.
- This generally includes reactors with material recycling, such as a jet loop reactor, which can also be operated continuously, or a loop-shaped tubular reactor with suitable devices for circulating the reaction mixture or a loop of several tubular reactors connected in series.
- the use of a loop reactor is particularly advantageous because backmixing can be implemented here so that the concentration of free alkylene oxide in the reaction mixture is in the optimum range, preferably in the range> 0 to 40% by weight, particularly preferably> 0 to 25 % By weight, most preferably> 0 to 15% by weight (in each case based on the weight of the reaction mixture) can be maintained.
- the polyetherester carbonate polyols are preferably produced in a continuous process which comprises both continuous copolymerization and continuous addition of H-functional starter substance.
- the invention therefore also relates to a process in which in step (g) H-functional starter substance, alkylene oxide, lactide and DMC catalyst in the presence of carbon dioxide (“copolymerization”) are continuously metered into the reactor and the resulting reaction mixture (containing the reaction product ) is continuously removed from the reactor.
- the DMC catalyst suspended in H-functional starter substance is preferably added continuously in step (g).
- an activated DMC catalyst suspension medium mixture is produced, then according to step (g)
- step (g) the DMC catalyst is preferably added suspended in H-functional starter substance, the amount preferably being selected so that the content of DMC catalyst in the resulting reaction product is 10 to 10,000 ppm, particularly preferably 20 to 5000 ppm and at most is preferably 50 to 500 ppm.
- Steps (a) and ( ⁇ ) are preferably carried out in a first reactor, and the resulting reaction mixture is then transferred to a second reactor for the copolymerization according to step (g). However, it is also possible to carry out steps (a), ( ⁇ ) and (g) in one reactor.
- the process of the present invention can be used to produce large quantities of the polyetherester carbonate polyol, initially using a DMC catalyst activated in a suspending agent according to steps (a) and ( ⁇ ), and during the copolymerization ( g) the DMC catalyst is added without prior activation.
- a particularly advantageous feature of the preferred embodiment of the present invention is therefore the ability to use "fresh" DMC catalysts without activation for the portion of DMC catalyst which is added continuously in step (g).
- Activation of DMC catalysts to be carried out analogously to step (ß) not only involves additional attention by the operator, which increases the production costs, but also requires a pressure reaction vessel, which also increases the capital costs in the construction of a corresponding production plant.
- fresh" catalyst is used as a non-activated DMC catalyst in solid form or in the form of a Slurry in a suspending agent or an H-functional starter substance is defined.
- the ability of the present process to use fresh, unactivated DMC catalyst in step (g) enables significant savings in the commercial manufacture of polyetherester carbonate polyols and is a preferred embodiment of the present invention.
- continuous can be defined as the mode of adding a relevant catalyst or reactant such that an effective concentration of the DMC catalyst or reactant is maintained substantially continuously.
- the catalyst can be fed in really continuously or in relatively closely spaced increments.
- a continuous addition of starter can be genuinely continuous or take place in increments. It would not deviate from the present method to incrementally add a DMC catalyst or reactants such that the concentration of the added materials falls to essentially zero for some time before the next incremental addition. It is preferred, however, that the DMC catalyst concentration be maintained at substantially the same concentration during the major part of the course of the continuous reaction and that initiator be present during the major part of the copolymerization process.
- step (d) the reaction mixture continuously removed in step (g), which generally contains from 0.05% by weight to 10% by weight alkylene oxide, can be transferred to a postreactor, in which a post-reaction, the content of free alkylene oxide is reduced to less than 0.05 wt .-% in the reaction mixture.
- a tubular reactor, a loop reactor or a stirred tank, for example, can serve as the postreactor.
- the pressure in this postreactor is preferably the same pressure as in the reaction apparatus in which reaction step (g) is carried out.
- the pressure in the downstream reactor can, however, also be chosen to be higher or lower.
- the carbon dioxide is completely or partially discharged after reaction step (g) and the downstream reactor is discharged at normal pressure or a low pressure Operated overpressure.
- the temperature in the downstream reactor is preferably from 50 to 150.degree. C. and particularly preferably from 80 to 140.degree.
- All polar-aprotic, weakly polar-aprotic and non-polar-aprotic solvents, which in each case do not contain any H-functional groups, are suitable as suspending agents which have no H-functional groups.
- a mixture of two or more of these suspending agents can also be used as suspending agents.
- polar aprotic solvents may be mentioned at this point as examples: 4-methyl-2-oxo-1,3-dioxolane (hereinafter also referred to as cyclic propylene carbonate or cPC), 1,3-dioxolan-2-one (hereinafter also called cyclic ethylene carbonate or cEC), acetone, methyl ethyl ketone, acetonitrile, nitromethane, dimethyl sulfoxide, sulfolane, dimethylformamide, dimethylacetamide and N-methylpyrrolidone.
- cyclic propylene carbonate or cPC 1,3-dioxolan-2-one
- cEC 1,3-dioxolan-2-one
- acetone methyl ethyl ketone
- acetonitrile nitromethane
- dimethyl sulfoxide dimethyl sulfoxide
- sulfolane dimethylformamide
- the group of non-polar and weakly polar aprotic solvents includes, for example, ethers such as dioxane, diethyl ether, methyl tert-butyl ether and tetrahydrofuran, esters such as ethyl acetate and butyl acetate, hydrocarbons such as pentane, n-hexane, benzene and alkylated benzene derivatives (e.g. toluene, xylene, ethylbenzene) and chlorinated hydrocarbons, such as, for example, chloroform, chlorobenzene, dichlorobenzene and carbon tetrachloride.
- ethers such as dioxane, diethyl ether, methyl tert-butyl ether and tetrahydrofuran
- esters such as ethyl acetate and butyl acetate
- hydrocarbons such as pentane, n
- 4-Methyl-2-oxo-1,3-dioxolane, 1,3-dioxolan-2-one, toluene, xylene, ethylbenzene, chlorobenzene and dichlorobenzene and mixtures of two or more of these suspending agents are preferred as suspending agents; 4 is particularly preferred -Methyl-2-oxo-1,3-dioxolane and 1,3-dioxolan-2-one or a mixture of 4-methyl-2-oxo-1,3-dioxolane and 1,3-dioxolan-2-one.
- Lactide in the context of the invention are cyclic compounds containing two or more ester bonds in the ring, preferably compounds of the formula (II),
- RI, R2, R3 and R4 independently represent hydrogen, a linear or branched C1 to C22 alkyl radical optionally containing heteroatoms, a linear or branched, mono- or polyunsaturated, optionally heteroatom-containing C1 to C22 alkenyl radical or an optionally mono- or polysubstituted , optionally C6 to C18 aryl radical containing heteroatoms or members of a saturated or unsaturated 4 to 7-membered ring or polycyclic system which may contain heteroatoms and / or ether groups,
- n and o are independently of one another an integer greater than or equal to 1, preferably 1, 2, 3 or 4, and RI and R2 in repeating units (n> 1) and R3 and R4 in repeating units (o> 1) can each be different.
- Preferred compounds of the formula (II) are 1,4-dioxane-2,5-dione, (S, S) -3,6-dimethyl-1,4-dioxane-2,5-dione, (R, R) - 3,6-dimethyl-1,4-dioxane-2,5-dione, meso-3,6-dimethyl-1,4-dioxane-2,5-dione and 3-methyl-1,4-dioxane-2, 5-dione, 3-hexyl-6-methyl-1,4-dioxane-2,5-dione, 3,6-di (but-3-en-
- the lactide is used in the process according to the invention preferably in an amount of 5 to 40% by weight, particularly preferably 5 to 30% by weight, particularly preferably 10 to 30% by weight, based in each case on the total amount of alkylene oxide used .
- Alkylene oxides having 2-24 carbon atoms can generally be used as alkylene oxides for the process according to the invention.
- the alkylene oxides with 2-24 carbon atoms are, for example, ethylene oxide, propylene oxide, 1-butene oxide, 2,3-butene oxide, 2-methyl-1,2-propene oxide (isobutene oxide), 1-pentene oxide, 2,3-pentene oxide, 2-methyl-1,2-butene oxide, 3-methyl-1,2-butene oxide, 1-hexene oxide, 2,3-hexene oxide, 3,4-hexene oxide, 2-methyl-1,2-pentene oxide, 4-methyl- 1,2-pentene oxide, 2-ethyl-1,2-butene oxide, 1-heptene oxide, 1-octene oxide, 1-nonene oxide, 1-decene oxide, 1-undecene oxide, 1-dodecene oxide, 4-methyl-1,2-pentene oxide, Butadiene monoxide, isoprene monoxide,
- alkylene oxide used is preferably ethylene oxide and / or propylene oxide, particularly preferably propylene oxide.
- Suitable H-functional starter substances which can be used are compounds with H atoms active for the alkoxylation, which have a molar mass of 18 to 4500 g / mol, preferably 62 to 500 g / mol and particularly preferably 62 to 182 have g / mol.
- the ability to use a starter with a low molecular weight is a distinct advantage over the use of oligomeric starters, which by means of a prior oxyalkylation are made. In particular, economics is achieved which is made possible by the omission of a separate oxyalkylation process.
- Groups with active H atoms which are active for the alkoxylation are, for example, -OH, -NH2 (primary amines), -NH- (secondary amines), -SH and -CO2H, preferred are -OH and -NH2, and -OH is particularly preferred.
- the H-functional starter substance for example, one or more compounds are selected from the group consisting of monohydric or polyhydric alcohols, polyhydric amines, polyhydric thiols, amino alcohols, thioalcohols, hydroxyesters, polyether polyols, polyester polyols, polyester ether polyols,
- the C1-C24 alkyl fatty acid esters which contain on average at least 2 OH groups per molecule, are commercial products such as Lupranol Balance ® (BASF AG), Merginol ® types (Hobum Oleochemicals GmbH), Sovermol ® types (from Cognis GmbH & Co. KG) and Soyol ® TM types (from USSC Co.).
- BASF AG BASF AG
- Merginol ® types Hobum Oleochemicals GmbH
- Sovermol ® types from Cognis GmbH & Co. KG
- Soyol ® TM types from USSC Co.
- Alcohols, amines, thiols and carboxylic acids can be used as monofunctional starter substances.
- the following can be used as monofunctional alcohols: methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, tert-butanol, 3-buten-1-ol, 3-butyn-1-ol, 2-methyl -3-buten-2-ol, 2-methyl-3-butyn-2-ol, propagyl alcohol, 2-methyl-2-propanol, 1-tert-butoxy-2-propanol, 1-pentanol, 2-pentanol, 3 -Pentanol, 1-hexanol, 2-hexanol, 3-hexanol, 1-heptanol, 2-heptanol, 3-heptanol, 1-octanol, 2-octanol, 3-octanol, 4-octanol, phenol, 2-hydroxybiphenyl
- Possible monofunctional amines are: butylamine, tert-butylamine, pentylamine, hexylamine, aniline, aziridine, pyrrolidine, piperidine, morpholine.
- Monofunctional carboxylic acids are: formic acid, acetic acid, propionic acid, butyric acid, fatty acids such as stearic acid, palmitic acid, oleic acid, linoleic acid, linolenic acid, benzoic acid, acrylic acid.
- Polyhydric alcohols suitable as H-functional starter substances are, for example, dihydric alcohols (such as, for example, ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, 1,3-propanediol, 1,4-butanediol, 1,4-butenediol, 1,4-butynediol, neopentyl glycol, 1 , 5-pentanediol, methylpentanediols (such as 3-methyl-l, 5-pentanediol), 1,6-hexanediol, 1,8-octanediol, 1,10-decanediol, 1,12-dodecanediol, bis (hydroxymethyl) cyclohexanes (such as 1,4-bis (hydroxymethyl) cyclohexane), triethylene glycol, tetraethylene glycol, polyethylene glycols, dipropylene glycol, trip
- the H-functional starter substances can also be selected from the class of polyether polyols which have a molecular weight M n in the range from 18 to 4500 g / mol and a functionality of 2 to 3. Preference is given to polyether polyols which are built up from repeating ethylene oxide and propylene oxide units, preferably with a proportion of 35 to 100% propylene oxide units, particularly preferably with a proportion of 50 to 100% propylene oxide units. These can be random copolymers, gradient copolymers, alternating or block copolymers of ethylene oxide and propylene oxide.
- the H-functional starter substances can also be selected from the substance class of polyester polyols. At least difunctional polyesters are used as polyester polyols. Polyester polyols preferably consist of alternating acid and alcohol units.
- acid components for. B. succinic acid, maleic acid, maleic anhydride, adipic acid, phthalic anhydride, phthalic acid, isophthalic acid, terephthalic acid, tetrahydrophthalic acid, tetrahydrophthalic anhydride, hexahydrophthalic anhydride or mixtures of the acids and / or anhydrides mentioned.
- As alcohol components for. B.
- ethanediol 1,2-propanediol, 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, neopentyl glycol, 1,6-hexanediol, 1,4-bis (hydroxymethyl) cyclohexane, diethylene glycol, Dipropylene glycol, trimethylolpropane, glycerol, pentaerythritol or mixtures of the alcohols mentioned are used. If dihydric or polyhydric polyether polyols are used as the alcohol component, polyester ether polyols are obtained which can also serve as starter substances for the production of the polyether ester carbonate polyols.
- polycarbonate diols can be used as H-functional starter substances, which are prepared, for example, by reacting phosgene, dimethyl carbonate, diethyl carbonate or diphenyl carbonate and difunctional alcohols or polyester polyols or polyether polyols. Examples of polycarbonates can be found e.g. B. in EP-A 1359177.
- polyether ester carbonate polyols can be used as functional starter substances.
- polyether ester carbonate polyols which can be obtained by the process according to the invention described here.
- the egg-functional starter substances generally have a functionality (i.e. number of H atoms active for the polymerization per molecule) of 1 to 8, preferably 2 or 3.
- the H-functional starter substances are used either individually or as a mixture of at least two H-functional starter substances.
- the H-functional starter substances are particularly preferably one or more compounds selected from the group consisting of ethylene glycol, 1,2-propanediol, 1,3-propanediol, 1,3-butanediol, 1,4-butanediol, 1, 5-pentanediol, 2-methylpropane-1,3-diol, neopentyl glycol, 1,6-hexanediol, 1,8-octanediol, diethylene glycol, dipropylene glycol, glycerol, trimethylolpropane, pentaerythritol, sorbitol and polyether polyols with a molecular weight Mn in the range from 150 to 4500 g / mol and a functionality of 2 to 3.
- the polyether ester carbonate polyols are produced by the catalytic addition of carbon dioxide, lactide and alkylene oxide onto H-functional starter substances.
- H-functional is understood to mean the number of H atoms active for the alkoxylation per molecule of the starter substance.
- DMC catalysts for use in the homopolymerization of alkylene oxides are known in principle from the prior art (see, for example, US-A 3 404 109, US-A 3 829 505, US-A 3 941 849 and US-A 5 158 922) .
- DMC catalysts which are described, for example, in US Pat. No. 5,470,813, EP-A 700 949, EP-A 743 093, EP-A 761 708, WO 97/40086, WO 98/16310 and WO 00/47649 have a very high activity and enable the production of polyetherester carbonate polyols with very low catalyst concentrations, so that the catalyst can generally be separated off from the finished product is no longer required.
- a typical example are the highly active DMC catalysts described in EP-A 700 949 which, in addition to a double metal cyanide compound (e.g. zinc hexacyanocobaltate (III)) and an organic complex ligand (e.g. tert-butanol), also contain a polyether with a number average molecular weight greater than 500 g / mol included.
- a double metal cyanide compound e.g. zinc hexacyanocobaltate (III)
- an organic complex ligand e.g. tert-butanol
- the DMC catalysts according to the invention are preferably obtained by (i) In the first step, an aqueous solution of a metal salt with the aqueous solution of a
- Metal cyanide salt in the presence of one or more organic complex ligands, e.g. an ether or alcohol,
- the double metal cyanide compounds contained in the DMC catalysts according to the invention are the reaction products of water-soluble metal salts and water-soluble metal cyanide salts.
- an aqueous solution of zinc chloride preferably in excess based on the metal cyanide salt such as potassium hexacyanocobaltate
- potassium hexacyanocobaltate preferably in excess based on the metal cyanide salt such as potassium hexacyanocobaltate
- dimethoxyethane glyme
- butanol preferably in excess based on zinc hexacyanocobaltate
- Metal salts suitable for preparing the double metal cyanide compounds preferably have the general formula (III),
- M is selected from the metal cations Zn 2+ , Fe 2+ , Ni 2+ , Mn 2+ , Co 2+ , Sr 2+ , Sn 2+ , Pb 2+ and, Cu 2+ , M is preferably Zn 2+ , Fe 2+ , Co 2+ or Ni 2+ ,
- M is selected from the metal cations Fe 3+ , Al 3+ , Co 3+ and Cr 3+ ,
- X are one or more (ie different) anions, preferably an anion selected from the group of halides (ie fluoride, chloride, bromide, iodide), hydroxide, sulfate, carbonate, cyanate, thiocyanate, isocyanate, isothiocyanate, carboxylate, oxalate and nitrate ;
- M is selected from the metal cations Mo 4+ , V 4+ and W 4+
- X are one or more (ie different) anions, preferably an anion selected from the group of halides (ie fluoride, chloride, bromide, iodide), hydroxide, sulfate, carbonate, cyanate, thiocyanate, isocyanate, isothiocyanate, carboxylate, oxalate and nitrate ;
- M is selected from the metal cations Mo 6+ and W 6+ X are one or more (ie different) anions, preferably an anion selected from the group of halides (ie fluoride, chloride, bromide, iodide), hydroxide, sulfate, carbonate, cyanate, thiocyanate, isocyanate, isothiocyanate, carboxylate, oxalate and nitrate ;
- halides ie fluoride, chloride, bromide, iodide
- hydroxide sulfate, carbonate, cyanate, thiocyanate, isocyanate, isothiocyanate, carboxylate, oxalate and nitrate ;
- suitable metal salts are zinc chloride, zinc bromide, zinc iodide, zinc acetate, zinc acetylacetonate, zinc benzoate, zinc nitrate, iron (II) sulfate, iron (II) bromide, iron (II) chloride, iron (III) chloride, cobalt (II) chloride, Cobalt (II) thiocyanate, nickel (II) chloride and nickel (II) nitrate. Mixtures of different metal salts can also be used.
- Metal cyanide salts suitable for preparing the double metal cyanide compounds preferably have the general formula (VII)
- M ' is selected from one or more metal cations from the group consisting of Fe (II), Fe (III), Co (II), Co (III), Cr (II), Cr (III), Mn (II), Mn ( III), Ir (III), Ni (II), Rh (III), Ru (II), V (IV) and V (V), M 'is preferably one or more metal cations from the group consisting of Co (II), Co (III), Fe (II), Fe (III), Cr (III), Ir (III) and Ni (II),
- Y is selected from one or more metal cations from the group consisting of alkali metal (ie, Li + , Na + , K + , Rb + ) and alkaline earth metal (ie, Be 2+ , Mg 2+ , Ca 2+ , Sr 2+ , Ba 2+ ),
- A is selected from one or more anions from the group consisting of halides (i.e. fluoride, chloride, bromide, iodide), hydroxide, sulfate, carbonate, cyanate, thiocyanate, isocyanate, isothiocyanate, carboxylate, azide, oxalate or nitrate and
- a, b and c are integer numbers, the values for a, b and c being chosen so that the electrical neutrality of the metal cyanide salt is given; a is preferably 1, 2, 3 or 4; b is preferably 4, 5 or 6; c preferably has the value 0.
- suitable metal cyanide salts are sodium hexacyanocobaltate (III), potassium hexacyanocobaltate (III), potassium hexacyanoferrate (II), potassium hexacyanoferrate (III), calcium hexacyanocobaltate (III) and lithium hexacyanocobaltate (III).
- Preferred double metal cyanide compounds contained in the DMC catalysts according to the invention are compounds of the general formula (VIII) M x [M ' x , (CN) y ] z (VIII) wherein M is as in formula (III) to (VI) and
- x, x ’, y and z are integers and are chosen so that the double metal cyanide compound is electron neutral.
- M Zn (II), Fe (II), Co (II) or Ni (II) and
- M ’ Co (III), Fe (III), Cr (III) or Ir (III).
- Suitable double metal cyanide compounds a) are zinc hexacyanocobaltate (III), zinc hexacyanoiridate (III), zinc hexacyanoferrate (III) and cobalt (II) hexacyanocobaltate (III). Further examples of suitable double metal cyanide compounds can be found, for example, in US Pat. No. 5,158,922 (column 8, lines 29-66). Zinc hexacyanocobaltate (III) is particularly preferably used.
- organic complex ligands added during the preparation of the DMC catalysts are described, for example, in US Pat. No. 5,158,922 (see in particular column 6, lines 9 to 65), US Pat. No. 3,404,109, US Pat. No. 3,829,505, US Pat. No. 3,941,849, EP-A 700,949 , EP-A 761 708, JP 4 145 123, US 5 470 813, EP-A 743 093 and WO-A 97/40086).
- water-soluble, organic compounds with heteroatoms, such as oxygen, nitrogen, phosphorus or sulfur which can form complexes with the double metal cyanide compound, are used as organic complex ligands.
- Preferred organic complex ligands are alcohols, aldehydes, ketones, ethers, esters, amides, ureas, nitriles, sulfides and mixtures thereof.
- Particularly preferred organic complex ligands are aliphatic ethers (such as dimethoxyethane), water-soluble aliphatic alcohols (such as ethanol, isopropanol, n-butanol, iso-butanol, sec-butanol, tert-butanol, 2-methyl-3-buten-2-ol and 2-methyl-3-butyn-2-ol), compounds that contain aliphatic or cycloaliphatic ether groups as well as aliphatic hydroxyl groups (such as, for example, ethylene glycol mono-tert-butyl ether, diethylene glycol mono-tert-butyl ether, tripropylene glycol mono methyl ether and 3-methyl-3-oxetane-methanol).
- Highly preferred organic complex ligands are selected from one or more compounds from the group consisting of dimethoxyethane, tert-butanol, 2-methyl-3-buten-2-ol, 2-methyl-3-butyn-2-ol, ethylene glycol mono-tert. butyl ether and 3-methyl-3-oxetane-methanol.
- one or more complex-forming component (s) from the compound classes of polyethers, polyesters, polycarbonates, polyalkylene glycol sorbitan esters, polyalkylene glycol glycidyl ethers, polyacrylamide, poly (acrylamide-co-acrylic acid), polyacrylic acid, poly (acrylic acid-co.) are used in the production of the DMC catalysts according to the invention maleic acid), polyacrylonitrile, polyalkyl acrylates, polyalkyl methacrylates, polyvinyl methyl ether, polyvinyl ethyl ether, polyvinyl acetate, polyvinyl alcohol, poly-N-vinylpyrrolidone, poly (N-vinylpyrrolidone-co-acrylic acid), polyvinyl methyl ketone, poly (4-vinylphenol), poly (acrylic acid-co- styrene), oxazoline polymers, polyalkyleneimines, maleic acid and maleic anhydride copo
- the metal salt e.g. zinc chloride
- the metal cyanide salt i.e. at least a molar ratio of metal salt to metal cyanide salt of 2, 25 to 1.00
- the metal cyanide salt e.g. potassium hexacyanocobaltate
- the organic complex ligand e.g. tert-butanol
- the organic complex ligand can be present in the aqueous solution of the metal salt and / or the metal cyanide salt, or it is added directly to the suspension obtained after precipitation of the double metal cyanide compound. It has proven advantageous to mix the aqueous solutions of the metal salt and the metal cyanide salt and the organic complex ligand with vigorous stirring.
- the suspension formed in the first step is then treated with a further complex-forming component.
- the complex-forming component is preferably used in a mixture with water and organic complex ligands.
- a preferred method for carrying out the first step i.e. the preparation of the suspension
- the solid ie the precursor of the catalyst according to the invention
- the isolated solid is then washed in a third process step with an aqueous solution of the organic complex ligand (for example by resuspension and subsequent renewed isolation by filtration or centrifugation).
- an aqueous solution of the organic complex ligand for example by resuspension and subsequent renewed isolation by filtration or centrifugation.
- water-soluble by-products such as potassium chloride can be removed from the catalyst according to the invention.
- the amount of the organic complex ligand in the aqueous washing solution is preferably between 40 and 80% by weight, based on the total solution.
- washing is preferably carried out with an aqueous solution of the unsaturated alcohol (e.g. by resuspension and subsequent re-isolation by filtration or centrifugation) in order to add, for example, water-soluble by-products, such as potassium chloride, from the catalyst according to the invention remove.
- the amount of unsaturated alcohol in the aqueous washing solution is particularly preferably between 40 and 80% by weight, based on the total solution of the first washing step.
- the first washing step is repeated once or more times, preferably once to three times, or preferably a non-aqueous solution, such as a mixture or solution of unsaturated alcohol and other complex-forming components (preferably in the range between 0.5 and 5% by weight, based on the total amount of the washing solution of step (iii-2)), is used as washing solution and the solid is thus washed once or several times, preferably once to three times.
- a non-aqueous solution such as a mixture or solution of unsaturated alcohol and other complex-forming components
- the isolated and optionally washed solid is then, optionally after pulverization, dried at temperatures of generally 20-100 ° C. and at pressures of generally 0.1 mbar to normal pressure (1013 mbar).
- the present invention also provides a polyether ester carbonate polyol which can be obtained by the process according to the invention.
- the polyether ester carbonate polyols obtained according to the invention have, for example, a functionality of at least 1, preferably from 1 to 8, particularly preferably from 1 to 6 and very particularly preferably from 2 to 4.
- the molecular weight is preferably 400 to 10,000 g / mol and particularly preferably 500 to 6000 g / mol.
- the polyetherester carbonate polyols obtainable by the process according to the invention have a low content of by-products and a low viscosity and can be processed without problems, in particular by reaction with di- and / or polyisocyanates to form polyurethanes, in particular flexible polyurethane foams such as flexible polyurethane block foams and flexible polyurethane foams .
- polyurethane foams such as flexible polyurethane block foams and flexible polyurethane foams .
- polyetherester carbonate polyols which are based on an H-functional starter substance which has a functionality of at least two.
- the polyetherester carbonate polyols obtainable by the process according to the invention can be used in applications such as washing and cleaning agent formulations, drilling fluids, fuel additives, ionic and non-ionic surfactants, lubricants, process chemicals for paper or textile production or cosmetic formulations.
- the polyetherester carbonate polyols to be used must meet certain material properties such as molecular weight, viscosity, functionality and / or hydroxyl number.
- the invention relates to a process for the production of polyetherester carbonate polyols by the catalytic addition of alkylene oxide and carbon dioxide to an H-functional starter substance in the presence of a double metal cyanide catalyst, comprising the steps:
- step (g) lactide is metered into the reactor.
- the invention in a second embodiment, relates to a method according to the first embodiment, characterized in that step (a) takes place in the absence of lactide.
- the invention relates to a method according to embodiment 1 or 2, characterized in that the lactide is used in an amount of 5% by weight to 40% by weight, based on the total amount of alkylene oxide used.
- the invention relates to a method according to embodiment 1 or 2, characterized in that the lactide is used in an amount of 10% by weight to 30% by weight, based on the total amount of alkylene oxide used.
- the invention relates to a method according to one of the
- Embodiments 1 to 4 characterized in that following step (a)
- step (ß) to the mixture from step (a) added a portion of alkylene oxide at temperatures of 90 to 150 ° C and then the addition of the alkylene oxide compound and / or the lactide is interrupted, step (ß) in particular under an inert gas atmosphere, under an atmosphere of an inert gas-carbon dioxide mixture or under a carbon dioxide atmosphere.
- the invention relates to a method according to one of the
- Embodiments 1 to 5 characterized in that in step (g) the H-functional starter substance, the alkylene oxide and the lactide are continuously metered into the reactor in the presence of carbon dioxide.
- the invention relates to a method according to one of the
- Embodiments 1 to 6 characterized in that in step (g) the metering of the functional starter substances is terminated before the addition of the alkylene oxide and / or the lactide.
- the invention relates to a method according to one of the
- Embodiments 1 to 7 characterized in that in step (g) H-functional starter substance, alkylene oxide, lactide and double metal cyanide catalyst are continuously metered into the reactor and the resulting reaction mixture is continuously removed from the reactor.
- the invention relates to a method according to embodiment 8, characterized in that the double metal cyanide catalyst is added continuously suspended in the H-functional starter substance.
- the invention relates to a method according to embodiment 8 or 9, characterized in that in a step (d) following step (g) the reaction mixture continuously removed in step (g) with an alkylene oxide content of 0.05 to 10 wt .-% transferred to a post-reactor and subjected to a post-reaction therein, whereby the content of free alkylene oxide is reduced to less than 0.05% by weight in the reaction mixture.
- the invention relates to a method according to one of embodiments 1 to 10, characterized in that at least one compound of the formula (II) is used as the factide,
- RI, R2, R3 and R4 independently represent hydrogen, a linear or branched C1 to C22 alkyl radical optionally containing heteroatoms, a linear or branched, mono- or polyunsaturated, optionally heteroatom-containing C1 to C22 alkenyl radical or an optionally mono- or polysubstituted , optionally C6 to C18 aryl radical containing heteroatoms or members of a saturated or unsaturated 4 to 7-membered ring or polycyclic system which may contain heteroatoms and / or ether groups,
- n and o are independently of one another an integer greater than or equal to 1, preferably 1, 2, 3 or 4, and RI and R2 in repeating units (n> 1) and R3 and R4 in repeating units (o> 1) can each be different.
- the invention relates to a method according to one of embodiments 1 to 10, characterized in that the lactide is at least one compound selected from the group consisting of 1,4-dioxane-2,5-dione, (S, S) -3,6-dimethyl-1,4-dioxane-2,5-dione, (R, R) -3,6-dimethyl-1,4-dioxane-2,5-dione, meso-3,6-dimethyl -l, 4-dioxane-2,5-dione and 3-methyl-l, 4-dioxane-2,5-dione, 3-hexyl-6-methyl-1,4-dioxane-2,5-dione, 3 , 6-di (but-3-en- l-yl) -l, 4-dioxane-2,5-dione (each including optically active forms) ..
- the invention relates to a method according to one of embodiments 1 to 12, characterized in that the H-functional starter substance is selected from the group comprising or consisting of alcohols, amines, thiols, amino alcohols, thioalcohols, hydroxy esters, polyether polyols, polyester polyols , Polyesterether polyols, polycarbonate polyols, polyether carbonate polyols, polyethyleneimines, polyetheramines, polytetrahydrofuran, polyether thiols, polyacrylate polyols, castor oil, the mono- or diglyceride of ricinoleic acid, monoglycerides of fatty acids, chemically modified mono-, di- and / or triglycerides of fatty acids and / or C24-alkyl Fatty acid esters that contain on average at least 2 OH groups per molecule.
- the H-functional starter substance is selected from the group comprising or consisting of alcohols, amines, thiols
- the invention relates to a method according to one of embodiments 1 to 12, characterized in that the H-functional starter substance is selected from the group comprising or consisting of ethylene glycol, 1,2-propanediol, 1,3-propanediol, 1 , 3-butanediol, 1,4-butanediol, 1,5-pentanediol, 2-methylpropane-1,3-diol, neopentyl glycol, 1,6-hexanediol, 1,8-octanediol, diethylene glycol, dipropylene glycol, glycerol, trimethylolpropane, di - And trifunctional polyether polyols or mixtures of these, the polyether polyol being built up from a di- or tri-H-functional starter substance and propylene oxide or a di- or tri-H-functional starter substance, propylene oxide and ethylene oxide and the polyether polyol in
- PET-I difunctional poly (oxypropylene) polyol with an OH number of 112 mg KOH / g
- Lactide 3,6-dimethyl-1,4-dioxane-2,5-dione
- DMC catalyst was prepared according to Example 6 in WO 01/80994 A1
- the reaction mixture was characterized by 'H-N1VIR spectroscopy.
- the ratio of the amount of cyclic propylene carbonate to polyetherester carbonate polyol (selectivity; ratio g / e) and the proportion of unconverted monomers (propylene oxide Rpo, lactide R lactide in mol%) were determined by means of 'H-NMR spectroscopy.
- a sample of the reaction mixture obtained after the reaction was dissolved in deuterated chloroform and measured on a spectrometer from Bruker (AV400, 400 MHz).
- the reaction mixture was then diluted with dichloromethane (20 ml) and the solution passed through a falling film evaporator.
- the solution (0.1 kg in 3 h) ran down the inner wall of a tube heated from the outside to 120 ° C. and having a diameter of 70 mm and a length of 200 mm, the reaction mixture being passed through three rollers rotating at 250 rpm at 10 mm diameter was distributed evenly as a thin film on the inner wall of the falling film evaporator.
- a pump was used to set a pressure of 3 mbar inside the tube.
- the reaction mixture purified of volatile constituents (unreacted epoxides, cyclic carbonate, solvents), was collected in a receiver at the lower end of the heated tube.
- the molar ratio of carbonate groups to ether groups in the polyetherester carbonate polyol (ratio e / f) and the molar proportion of lactide incorporated into the polymer were determined by means of H-NIVIR spectroscopy. For this purpose, a sample of the purified reaction mixture was dissolved in each case in deuterated chloroform and measured on a spectrometer from Bruker (AV400, 400 MHz).
- Polyether ester carbonate polyol A Polyols obtained by terpolymerization of
- Polyetherestercarbonate Polyol B Polyols obtained by terpolymerization of
- the molar proportion of the unreacted lactide (UR lactide in mol%) based on the sum of the amount of lactide used in the activation and the copolymerization, is calculated according to the formula: 100 (XV)
- OH number (hydroxyl number) was determined in accordance with DIN 53240-2 (November 2007).
- the number average M n and the weight average M w of the molecular weight of the resulting polyetherester carbonate polyol were determined by means of gel permeation chromatography (GPC). According to DIN 55672-1 (March 2007): "Gel permeation chromatography, part 1 -
- Tetrahydrofuran as eluent "proceeded (SECurity GPC system from PSS Polymer Service, flow rate 1.0 ml / min; columns: 2 PSS SDV linear M, 8x300 mm, 5 pm; RID detector). Polystyrene samples of known molecular weight were used for calibration Polydispersity was calculated as the ratio M w / M n .
- Example 1 Polyetherester carbonate polyol with a functionality of 2.0 by terpolymerization of a mixture of propylene oxide, 20% by weight of lactide and CO2
- the temperature was readjusted to 105 ° C. and, during the subsequent steps, the pressure in the pressure reactor was kept at 15 bar by metering in more CO2 with the aid of a mass flow controller.
- a further 51.0 g of a monomer mixture (20% by weight of lactide dissolved in propylene oxide) were metered in via an HPLC pump (1 mL / min) with stirring, the reaction mixture continued to be stirred (800 rpm). After the end of the addition of the monomer mixture (20% by weight of lactide dissolved in propylene oxide), the reaction mixture was stirred at 105 ° C. for a further 30 minutes. The reaction was ended by cooling the pressure reactor in an ice bath, the excess pressure was released and the resulting product was analyzed.
- Table 1 The properties of the obtained polyetherester carbonate polyol are shown in Table 1.
- Example 2 Polyether ester carbonate polyol with a functionality of 2.0 by terpolymerization of a mixture of propylene oxide, 20% by weight of maleic anhydride and CO2
- the temperature was readjusted to 105 ° C. and during the subsequent steps the pressure in the pressure reactor was kept at 15 bar by metering in more CO 2 with the aid of a mass flow regulator.
- a further 51.0 g of a monomer mixture (20% by weight of maleic anhydride dissolved in propylene oxide) were metered in with stirring via an HPLC pump (1 mL / min), the reaction mixture continued to be stirred (800 rpm). After the addition of the monomer mixture (20% by weight maleic anhydride dissolved in propylene oxide), the reaction mixture was stirred at 105 ° C. for a further 30 minutes. The reaction was ended by cooling the pressure reactor in an ice bath, the excess pressure was released and the resulting product was analyzed.
- Table 1 The properties of the obtained polyetherester carbonate polyol are shown in Table 1.
- the polyetherester carbonate polyol produced by adding lactide has a lower viscosity than polyetherester carbonate polyols without adding lactide (example 2).
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Abstract
Description
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EP19184775.5A EP3760663A1 (de) | 2019-07-05 | 2019-07-05 | Verfahren zur herstellung von polyetherestercarbonatpolyolen |
PCT/EP2020/068044 WO2021004814A1 (de) | 2019-07-05 | 2020-06-26 | Verfahren zur herstellung von polyetherestercarbonatpolyolen |
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EP3994198A1 true EP3994198A1 (de) | 2022-05-11 |
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EP19184775.5A Withdrawn EP3760663A1 (de) | 2019-07-05 | 2019-07-05 | Verfahren zur herstellung von polyetherestercarbonatpolyolen |
EP20734069.6A Withdrawn EP3994198A1 (de) | 2019-07-05 | 2020-06-26 | Verfahren zur herstellung von polyetherestercarbonatpolyolen |
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EP19184775.5A Withdrawn EP3760663A1 (de) | 2019-07-05 | 2019-07-05 | Verfahren zur herstellung von polyetherestercarbonatpolyolen |
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US (1) | US20220235176A1 (de) |
EP (2) | EP3760663A1 (de) |
CN (1) | CN114026148A (de) |
WO (1) | WO2021004814A1 (de) |
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CN115612085B (zh) * | 2022-12-05 | 2023-03-31 | 山东联欣环保科技有限公司 | 一种合成二氧化碳基多元共聚物同时联产pc的方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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GB1063525A (en) | 1963-02-14 | 1967-03-30 | Gen Tire & Rubber Co | Organic cyclic oxide polymers, their preparation and tires prepared therefrom |
US3829505A (en) | 1970-02-24 | 1974-08-13 | Gen Tire & Rubber Co | Polyethers and method for making the same |
US3941849A (en) | 1972-07-07 | 1976-03-02 | The General Tire & Rubber Company | Polyethers and method for making the same |
US5158922A (en) | 1992-02-04 | 1992-10-27 | Arco Chemical Technology, L.P. | Process for preparing metal cyanide complex catalyst |
US5470813A (en) | 1993-11-23 | 1995-11-28 | Arco Chemical Technology, L.P. | Double metal cyanide complex catalysts |
US5712216A (en) | 1995-05-15 | 1998-01-27 | Arco Chemical Technology, L.P. | Highly active double metal cyanide complex catalysts |
US5482908A (en) | 1994-09-08 | 1996-01-09 | Arco Chemical Technology, L.P. | Highly active double metal cyanide catalysts |
US5545601A (en) | 1995-08-22 | 1996-08-13 | Arco Chemical Technology, L.P. | Polyether-containing double metal cyanide catalysts |
US5627120A (en) | 1996-04-19 | 1997-05-06 | Arco Chemical Technology, L.P. | Highly active double metal cyanide catalysts |
US5714428A (en) | 1996-10-16 | 1998-02-03 | Arco Chemical Technology, L.P. | Double metal cyanide catalysts containing functionalized polymers |
DE19905611A1 (de) | 1999-02-11 | 2000-08-17 | Bayer Ag | Doppelmetallcyanid-Katalysatoren für die Herstellung von Polyetherpolyolen |
DE19958355A1 (de) | 1999-12-03 | 2001-06-07 | Bayer Ag | Verfahren zur Herstellung von DMC-Katalysatoren |
EP1276563B1 (de) | 2000-04-20 | 2004-06-30 | Bayer MaterialScience AG | Verfahren zur herstellung von dmc-katalysatoren |
DE10219028A1 (de) | 2002-04-29 | 2003-11-06 | Bayer Ag | Herstellung und Verwendung von hochmolekularen aliphatischen Polycarbonaten |
JP4145123B2 (ja) | 2002-11-18 | 2008-09-03 | 株式会社オンダ製作所 | 継手 |
EP2604642A1 (de) | 2011-12-16 | 2013-06-19 | Bayer Intellectual Property GmbH | Verfahren zur Herstellung von Polyethercarbonatpolyolen |
EP2604641A1 (de) * | 2011-12-16 | 2013-06-19 | Bayer Intellectual Property GmbH | Verfahren zur Herstellung von Polyetherestercarbonatpolyolen |
EP2703425A1 (de) | 2012-08-27 | 2014-03-05 | Bayer MaterialScience AG | Verfahren zur Herstellung von Polyethercarbonatpolyolen |
-
2019
- 2019-07-05 EP EP19184775.5A patent/EP3760663A1/de not_active Withdrawn
-
2020
- 2020-06-26 WO PCT/EP2020/068044 patent/WO2021004814A1/de unknown
- 2020-06-26 EP EP20734069.6A patent/EP3994198A1/de not_active Withdrawn
- 2020-06-26 US US17/612,413 patent/US20220235176A1/en active Pending
- 2020-06-26 CN CN202080049115.3A patent/CN114026148A/zh active Pending
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US20220235176A1 (en) | 2022-07-28 |
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