JPH09249633A5 - - Google Patents
Info
- Publication number
- JPH09249633A5 JPH09249633A5 JP1997076715A JP7671597A JPH09249633A5 JP H09249633 A5 JPH09249633 A5 JP H09249633A5 JP 1997076715 A JP1997076715 A JP 1997076715A JP 7671597 A JP7671597 A JP 7671597A JP H09249633 A5 JPH09249633 A5 JP H09249633A5
- Authority
- JP
- Japan
- Prior art keywords
- boiling
- solvents
- decomposition
- column
- application publication
- 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.)
- Granted
Links
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19610261 | 1996-03-15 | ||
| DE19610261.8 | 1996-03-15 | ||
| DE19618828.8 | 1996-05-10 | ||
| DE19618828A DE19618828A1 (de) | 1996-05-10 | 1996-05-10 | Verwendung von hochsiedenden Lösemitteln bzw. -gemischen als Wärmetauschmedium für die thermische Spaltung von Carbamidsäureestern |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH09249633A JPH09249633A (ja) | 1997-09-22 |
| JPH09249633A5 true JPH09249633A5 (2) | 2005-02-10 |
| JP4031551B2 JP4031551B2 (ja) | 2008-01-09 |
Family
ID=26023837
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07671597A Expired - Fee Related JP4031551B2 (ja) | 1996-03-15 | 1997-03-13 | カルバミド酸エステルを熱分解するための熱交換媒体 |
| JP07671497A Expired - Fee Related JP4031550B2 (ja) | 1996-03-15 | 1997-03-13 | カルバミン酸エステルを熱分解する方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07671497A Expired - Fee Related JP4031550B2 (ja) | 1996-03-15 | 1997-03-13 | カルバミン酸エステルを熱分解する方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US5731458A (2) |
| EP (2) | EP0795544B1 (2) |
| JP (2) | JP4031551B2 (2) |
| CA (2) | CA2199919A1 (2) |
| DE (2) | DE59705127D1 (2) |
| ES (2) | ES2166922T3 (2) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6008396A (en) * | 1997-04-11 | 1999-12-28 | Osi Specialties, Inc. | Hot oil process for producing isocyanato organosilanes |
| US6350927B2 (en) | 1997-05-09 | 2002-02-26 | The Dow Chemical Company | Thermal fluid blends containing 1,2,3,4-tetrahydro (1-phenylethyl)naphthalene |
| EP0980410B1 (en) * | 1997-05-09 | 2002-03-27 | The Dow Chemical Company | Thermal fluid blends containing 1,2,3,4-tetrahydro(1-phenylethyl)naphthalene |
| DE19813107A1 (de) | 1998-03-25 | 1999-09-30 | Basf Ag | Verfahren zur Herstellung von Polyurethanschaumstoffen |
| PT1259480E (pt) | 2000-02-29 | 2005-11-30 | Huntsman Int Llc | Processo para a preparacao de poliisocianatos organicos |
| SG115512A1 (en) | 2001-12-28 | 2005-10-28 | Mitsui Takeda Chemicals Inc | Method for producing carbamates and method for producing isocyanates |
| BRPI0718144B1 (pt) * | 2006-11-17 | 2017-04-04 | Asahi Kasei Chemicals Corp | processo para produzir um isocianato, e, policarbamato de arila |
| TW200844080A (en) * | 2007-01-11 | 2008-11-16 | Asahi Kasei Chemicals Corp | Process for producing isocyanate |
| CN101652344B (zh) * | 2007-03-30 | 2014-06-04 | 旭化成化学株式会社 | 使用含有氨基甲酸酯和芳香族羟基化合物的组合物制造异氰酸酯的方法、以及氨基甲酸酯输送用和储藏用组合物 |
| KR101363232B1 (ko) * | 2008-05-15 | 2014-02-12 | 아사히 가세이 케미칼즈 가부시키가이샤 | 탄산디아릴을 이용하는 이소시아네이트의 제조 방법 |
| BRPI0822694B1 (pt) * | 2008-05-15 | 2018-11-27 | Asahi Kasei Chemicals Corp | processo para produzir um isocianato |
| US8822718B2 (en) | 2009-12-01 | 2014-09-02 | Basf Se | Process for preparing isocyanates by thermally cleaving carbamates |
| PT2507206E (pt) | 2009-12-04 | 2014-12-26 | Basf Se | Método para a produção de isocianatos |
| WO2011089098A1 (de) | 2010-01-19 | 2011-07-28 | Basf Se | Verfahren zur herstellung von isocyanaten durch thermische spaltung von carbamaten |
| US8680323B2 (en) | 2010-01-19 | 2014-03-25 | Basf Se | Process for preparing isocyanates by thermal dissociation of carbamates |
| CN102947267A (zh) | 2010-06-22 | 2013-02-27 | 巴斯夫欧洲公司 | 在固体路易斯酸上非均相催化氨基甲酸酯离解以合成异氰酸酯 |
| JP5612115B2 (ja) | 2010-10-04 | 2014-10-22 | 旭化成ケミカルズ株式会社 | 分離方法及びイソシアネートの製造方法 |
| CN102653517A (zh) * | 2011-03-02 | 2012-09-05 | 中国科学院过程工程研究所 | 一种由氨基甲酸酯制备异氰酸酯的方法 |
| EA201390236A1 (ru) | 2012-01-25 | 2014-10-30 | Асахи Касеи Кемикалз Корпорейшн | Способ разделения |
| JP5650777B2 (ja) * | 2013-03-11 | 2015-01-07 | 旭化成ケミカルズ株式会社 | 炭酸ジアリールを用いるイソシアネートの製造方法 |
| CN106488922B (zh) | 2014-07-14 | 2019-10-11 | 莫门蒂夫性能材料股份有限公司 | 低色度和颜色稳定的异氰酸基有机硅烷的制造方法和由其衍生的产品 |
| WO2016156188A1 (de) | 2015-03-31 | 2016-10-06 | Basf Se | Verfahren zur herstellung von isocyanaten durch carbamatspaltung |
| EP3626705B1 (en) | 2017-05-15 | 2021-03-24 | Asahi Kasei Kabushiki Kaisha | Isocyanate production method |
| WO2020014040A1 (en) * | 2018-07-13 | 2020-01-16 | Momentive Performance Materials Inc. | Preparation of isocyanatosilanes |
| CN111303373B (zh) * | 2020-02-25 | 2022-07-12 | 万华化学集团股份有限公司 | 一种低色度脲基甲酸酯组合物及其制备方法和应用 |
| CN116177484A (zh) * | 2023-03-04 | 2023-05-30 | 福州大学 | 一种液体有机氢载体全氢苄基甲苯的反应精馏脱氢工艺 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3734941A (en) * | 1968-09-06 | 1973-05-22 | American Cyanamid Co | Process for converting urethanes to isocyanates |
| US3870739A (en) * | 1973-03-05 | 1975-03-11 | Air Prod & Chem | Isocyanates from urethanes |
| US3919278A (en) * | 1974-06-13 | 1975-11-11 | Atlantic Richfield Co | Production of isocyanates from lower alkyl esters of mononuclear aromatic carbamic acids |
| DE2942543A1 (de) * | 1979-10-20 | 1981-05-07 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von arylisocyanaten durch thermische spaltung von arylurethanen |
| DE3047898A1 (de) * | 1980-12-19 | 1982-07-15 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern und die verwendung von hierbei anfallenden isocyanate und carbamidsaeureester aufweisenden gemischen zur herstellung von isocyanaten |
| DE3108990A1 (de) * | 1981-03-10 | 1982-09-23 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyisocyanaten |
| DE3142627A1 (de) * | 1981-10-28 | 1983-05-05 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von isocyanaten durch thermische spaltung von urethanen |
| DE3215591A1 (de) * | 1982-04-27 | 1983-10-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern |
| DE3362121D1 (en) * | 1982-07-24 | 1986-03-27 | Basf Ag | Process for the preparation of hexamethylene diisocyanate-1,6 and/or of the isomeric diisocyanates with 6 carbon atoms in the alkyl group |
| DE3314788A1 (de) * | 1983-04-23 | 1984-10-25 | Basf Ag, 6700 Ludwigshafen | Mehrstufenverfahren zur herstellung von hexamethylendiisocyanat-1,6 und/oder isomeren aliphatischen diisocyanaten mit 6 kohlenstoffatomen im alkylenrest |
| DE3314790A1 (de) * | 1983-04-23 | 1984-10-25 | Basf Ag, 6700 Ludwigshafen | Mehrstufenverfahren zur herstellung von 3-isocyanatomethyl-3,5,5-trimethyl-cyclohexylisocyanat |
| US4599401A (en) * | 1983-10-27 | 1986-07-08 | Union Carbide Corporation | Low viscosity adducts of poly(active hydrogen) organic compounds and a polyepoxide |
| DE3339300A1 (de) * | 1983-10-29 | 1985-05-09 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von isocyanaten durch thermische spaltung von urethanen |
| DE3632010A1 (de) * | 1986-09-20 | 1988-04-07 | Basf Ag | Neue 2-(alkoxymethyl)-pentan-1,5-diisocyanate, -diurethane und -dicarbamidsaeurechloride, verfahren zu ihrer herstellung und deren verwendung |
| WO1988005430A1 (fr) * | 1987-01-13 | 1988-07-28 | Daicel Chemical Industries, Ltd. | Procede de preparation de composes d'isocyanate |
| DE3828033A1 (de) * | 1988-08-18 | 1990-03-08 | Huels Chemische Werke Ag | Kreislaufverfahren zur herstellung von (cyclo)aliphatischen diisocyanaten |
| DE3915181A1 (de) * | 1989-05-10 | 1990-11-15 | Bayer Ag | Verfahren zur herstellung von polyisocyanaten |
| DE4010226A1 (de) * | 1990-03-30 | 1991-10-02 | Basf Ag | Neue 2,2-dialkylpentan-1,5-diisocyanate, -diurethane und -dicarbamidsaeurechloride, verfahren zu ihrer herstellung und ihre verwendung |
| DE4124671A1 (de) * | 1991-07-25 | 1993-01-28 | Basf Ag | Reaktor und verfahren zur thermischen spaltung von carbamidsaeureestern |
| DE4137428A1 (de) * | 1991-11-14 | 1993-05-19 | Bayer Ag | Verfahren zur herstellung von polyisocyanaten |
| DE4213099A1 (de) * | 1992-04-21 | 1993-10-28 | Basf Ag | Mehrstufiges Verfahren zur kontinuierlichen Herstellung von organischen Polyisocyanaten |
| DE4231417A1 (de) * | 1992-05-05 | 1993-11-11 | Huels Chemische Werke Ag | Kontinuierliches mehrstufiges Verfahren zur Herstellung von (cyclo)aliphatischen Diisocyanaten |
| DE4413580A1 (de) * | 1994-04-19 | 1995-10-26 | Bayer Ag | Verfahren zur Herstellung von 1,4-Diisocyanatobutan (BDI) |
-
1997
- 1997-03-03 DE DE59705127T patent/DE59705127D1/de not_active Expired - Lifetime
- 1997-03-03 EP EP97103445A patent/EP0795544B1/de not_active Expired - Lifetime
- 1997-03-03 DE DE59705128T patent/DE59705128D1/de not_active Expired - Lifetime
- 1997-03-03 ES ES97103444T patent/ES2166922T3/es not_active Expired - Lifetime
- 1997-03-03 ES ES97103445T patent/ES2166923T3/es not_active Expired - Lifetime
- 1997-03-03 EP EP97103444A patent/EP0795543B1/de not_active Expired - Lifetime
- 1997-03-06 US US08/811,801 patent/US5731458A/en not_active Expired - Lifetime
- 1997-03-06 US US08/812,610 patent/US5883291A/en not_active Expired - Lifetime
- 1997-03-13 JP JP07671597A patent/JP4031551B2/ja not_active Expired - Fee Related
- 1997-03-13 JP JP07671497A patent/JP4031550B2/ja not_active Expired - Fee Related
- 1997-03-13 CA CA002199919A patent/CA2199919A1/en not_active Abandoned
- 1997-03-13 CA CA002199913A patent/CA2199913C/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5993610A (en) | Separation of ethyl acetate from ethanol by azeotropic distillation | |
| US5762765A (en) | Separation of ethanol, isopropanol and water mixtures by azeotropic distillation | |
| US5415741A (en) | Separation of ethanol from isopropanol by azeotropic distillation | |
| US5423955A (en) | Separation of propylene glycol from 1,2-butanediol by azeotropic | |
| JPH09249632A5 (2) | ||
| US5425853A (en) | Separation of propylene glycol from ethylene glycol by azeotropic distillation | |
| US5417813A (en) | Separation of 1-butanol from 2-pentanol by azeotropic distillation | |
| US5645695A (en) | Separation of 2-methyl-1-propanol from 2-methyl-1-butanol by azeotropic distillation | |
| JPH05255227A (ja) | ポリイソシアネートの製造方法 | |
| US5658435A (en) | Separation of 2-methyl -1-propanol from 2-butanol by azeotropic distillation | |
| JPH0632751A (ja) | ビニルグリコールの製造方法 | |
| US5338410A (en) | Separation of 2-butanol from t-amyl alcohol by azeotropic distillation | |
| US5391264A (en) | Separation of alpha-Phellandrene from d-limonene by azeotropic distillation | |
| US5360520A (en) | Separation of 2-butanol from t-amyl alcohol by extractive distillation | |
| US4549938A (en) | Separation of methanol from methyl acetate by extractive distillation | |
| US5447608A (en) | Separation of 2-pentanol, 3-methyl-2-butanol and 1-butanol by azeotropic distillation | |
| US5256259A (en) | Separation of hexane from vinyl acetate by azeotropic distillation | |
| US6136155A (en) | Separation of mesitylene from 1,2,4-trimetyhlbenzene by azeotropic distillation | |
| US5779862A (en) | Separation of 2-methyl-1-butanol and 3-methyl-1-butanol from 1-pentanol by azeotropic distillation | |
| US5759359A (en) | Separation of 2-butanol from tert.amyl alcohol by azeotropic distillation | |
| US5633402A (en) | Separation of formic acid from acetic acid by azeotropic distillation | |
| US5776321A (en) | Separation of t-amyl alcohol from 1-propanol by azeotropic distillation | |
| US5397441A (en) | Separation of ethyl benzene from o-xylene by extractive distillation | |
| US6039846A (en) | Separation of 3-methyl-2-pentenal from n-butanol by azeotropic distillation | |
| US5763694A (en) | Separating 3-methyl-1-butanol from 1-pentanol by azeotropic distillation |