CS195266B2 - Způsob čištění reakční směsi pocházející z oxyalkylenace bydroxysloučenin - Google Patents
Způsob čištění reakční směsi pocházející z oxyalkylenace bydroxysloučenin Download PDFInfo
- Publication number
- CS195266B2 CS195266B2 CS879073A CS879073A CS195266B2 CS 195266 B2 CS195266 B2 CS 195266B2 CS 879073 A CS879073 A CS 879073A CS 879073 A CS879073 A CS 879073A CS 195266 B2 CS195266 B2 CS 195266B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- polyol
- water
- sodium
- chloride
- compounds
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 16
- 150000002440 hydroxy compounds Chemical class 0.000 title claims description 12
- 239000011541 reaction mixture Substances 0.000 title claims description 5
- 238000000746 purification Methods 0.000 title description 3
- 229920005862 polyol Polymers 0.000 claims description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 64
- 150000003077 polyols Chemical class 0.000 claims description 45
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 38
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 28
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 27
- 239000003054 catalyst Substances 0.000 claims description 21
- 238000006386 neutralization reaction Methods 0.000 claims description 14
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 12
- 230000003472 neutralizing effect Effects 0.000 claims description 11
- 239000000047 product Substances 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 claims description 10
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 10
- 229910052708 sodium Inorganic materials 0.000 claims description 10
- 125000002947 alkylene group Chemical group 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 229920000570 polyether Polymers 0.000 claims description 9
- 239000011591 potassium Substances 0.000 claims description 9
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 8
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 8
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 8
- 238000004061 bleaching Methods 0.000 claims description 8
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 claims description 8
- 229910052700 potassium Inorganic materials 0.000 claims description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical class CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 6
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 6
- 239000003377 acid catalyst Substances 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 5
- 238000007259 addition reaction Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 5
- 239000007844 bleaching agent Substances 0.000 claims description 5
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical class COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 5
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical compound ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 claims description 5
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 4
- 239000012442 inert solvent Substances 0.000 claims description 4
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 claims description 4
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 claims description 4
- XTHPWXDJESJLNJ-UHFFFAOYSA-N sulfurochloridic acid Chemical compound OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 claims description 4
- 229940050176 methyl chloride Drugs 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims description 2
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims description 2
- 235000011150 stannous chloride Nutrition 0.000 claims description 2
- UUCCCPNEFXQJEL-UHFFFAOYSA-L strontium dihydroxide Chemical compound [OH-].[OH-].[Sr+2] UUCCCPNEFXQJEL-UHFFFAOYSA-L 0.000 claims description 2
- 229910001866 strontium hydroxide Inorganic materials 0.000 claims description 2
- 125000001424 substituent group Chemical class 0.000 claims description 2
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 0.000 claims description 2
- 239000003039 volatile agent Substances 0.000 claims description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims 1
- XLYBIDQORRWYPX-UHFFFAOYSA-N O=S(=O)=P(Cl)(Cl)Cl Chemical compound O=S(=O)=P(Cl)(Cl)Cl XLYBIDQORRWYPX-UHFFFAOYSA-N 0.000 claims 1
- 239000002585 base Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 21
- 239000004814 polyurethane Substances 0.000 description 11
- 229920002635 polyurethane Polymers 0.000 description 10
- 238000003756 stirring Methods 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 238000004821 distillation Methods 0.000 description 5
- 235000011007 phosphoric acid Nutrition 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 3
- 239000013043 chemical agent Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920001451 polypropylene glycol Polymers 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 3
- YEYZALQTJCVXIJ-HXUWFJFHSA-N (2R)-2-amino-2-(methoxymethyl)-4-(4-octylphenyl)butan-1-ol Chemical compound CCCCCCCCC1=CC=C(CC[C@@](N)(CO)COC)C=C1 YEYZALQTJCVXIJ-HXUWFJFHSA-N 0.000 description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 239000002594 sorbent Substances 0.000 description 2
- -1 strontium hydride Chemical compound 0.000 description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- FNGLQNMQHOAIJQ-UHFFFAOYSA-N Cl[S](Cl)Cl Chemical compound Cl[S](Cl)Cl FNGLQNMQHOAIJQ-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229910021577 Iron(II) chloride Inorganic materials 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 229910006024 SO2Cl2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- TUCNEACPLKLKNU-UHFFFAOYSA-N acetyl Chemical compound C[C]=O TUCNEACPLKLKNU-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- XULSCZPZVQIMFM-IPZQJPLYSA-N odevixibat Chemical compound C12=CC(SC)=C(OCC(=O)N[C@@H](C(=O)N[C@@H](CC)C(O)=O)C=3C=CC(O)=CC=3)C=C2S(=O)(=O)NC(CCCC)(CCCC)CN1C1=CC=CC=C1 XULSCZPZVQIMFM-IPZQJPLYSA-N 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- WBGWGHYJIFOATF-UHFFFAOYSA-M potassium;methyl sulfate Chemical compound [K+].COS([O-])(=O)=O WBGWGHYJIFOATF-UHFFFAOYSA-M 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyethers (AREA)
- Polyurethanes Or Polyureas (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15967672A PL85125B1 (enExample) | 1972-12-20 | 1972-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS195266B2 true CS195266B2 (cs) | 1980-01-31 |
Family
ID=19961054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS879073A CS195266B2 (cs) | 1972-12-20 | 1973-12-19 | Způsob čištění reakční směsi pocházející z oxyalkylenace bydroxysloučenin |
Country Status (6)
| Country | Link |
|---|---|
| CS (1) | CS195266B2 (enExample) |
| DD (1) | DD109008A5 (enExample) |
| ES (1) | ES421556A1 (enExample) |
| HU (1) | HU168407B (enExample) |
| NL (1) | NL152891B (enExample) |
| PL (1) | PL85125B1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4879419A (en) * | 1985-07-01 | 1989-11-07 | Minnesota Mining And Manufacturing Company | Hydroxyl-terminated polyepichlorohydrin polymers |
-
1972
- 1972-12-20 PL PL15967672A patent/PL85125B1/pl unknown
-
1973
- 1973-12-17 ES ES421556A patent/ES421556A1/es not_active Expired
- 1973-12-18 DD DD17575373A patent/DD109008A5/xx unknown
- 1973-12-19 CS CS879073A patent/CS195266B2/cs unknown
- 1973-12-20 HU HUII000174 patent/HU168407B/hu unknown
- 1973-12-20 NL NL7317479A patent/NL152891B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL152891B (nl) | 1977-04-15 |
| HU168407B (enExample) | 1976-04-28 |
| PL85125B1 (enExample) | 1976-04-30 |
| ES421556A1 (es) | 1976-04-16 |
| DD109008A5 (enExample) | 1974-10-12 |
| NL7317479A (enExample) | 1974-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0050181B1 (en) | Method for purifying polyether-polyols | |
| US2760970A (en) | Process for the preparation of substantially pure metal salts of organic sulfonic acids | |
| KR101084519B1 (ko) | 디에스테르 제조 방법 | |
| EP1292631B1 (en) | Process for the preparation of polyether polyols | |
| US2920105A (en) | Preparation of hyperbasic sulfonates | |
| US4460796A (en) | Purification of polytetramethylene ether-glycols | |
| DE69423403T2 (de) | Verfahren zur Regenerierung von Katalysatoren aus Polyalkylenpolyolen | |
| US3833669A (en) | Manufacture of polyalkylene ethers | |
| CS195266B2 (cs) | Způsob čištění reakční směsi pocházející z oxyalkylenace bydroxysloučenin | |
| US2265585A (en) | Process for liquid purification | |
| KR19990063374A (ko) | 폴리에테르 폴리올 제조시의 알칼리 성분의 제거 방법 및 그의 재사용법 | |
| DE3144190C2 (de) | Verfahren zur Reinigung von Hexafluoraceton, das Chlorfluoraceton enthält | |
| KR20010099830A (ko) | 헤테로폴리산의 합성 | |
| US2940936A (en) | Preparing sulfonated products from sulfur trioxide | |
| US4579980A (en) | Process for producing ether compounds | |
| WO2014086908A1 (en) | Process for preparing alkoxylated alcohols | |
| US4034023A (en) | Process for preparing mixed phosphate ester compositions | |
| SU524528A3 (ru) | Способ очистки полиэфиров | |
| CS241409B1 (en) | Method of water/soluble polyerthers' and/or copolyethers' refining or at least limitation | |
| PL104520B1 (pl) | Sposob oczyszczania mieszanin poreakcyjnych,pochodzacych z procesow wytwarzania polieterow i poliestrow | |
| US2903476A (en) | Alkoxy-containing reaction product | |
| US3062897A (en) | Process for the manufacture of barium alkyl phenates | |
| US3359333A (en) | Separation of bf3 catalyst from alkyl phenol | |
| JP2731816B2 (ja) | クレゾールの精製方法 | |
| PL86651B1 (enExample) |