JP2006510693A5 - - Google Patents
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- Publication number
- JP2006510693A5 JP2006510693A5 JP2004561289A JP2004561289A JP2006510693A5 JP 2006510693 A5 JP2006510693 A5 JP 2006510693A5 JP 2004561289 A JP2004561289 A JP 2004561289A JP 2004561289 A JP2004561289 A JP 2004561289A JP 2006510693 A5 JP2006510693 A5 JP 2006510693A5
- Authority
- JP
- Japan
- Prior art keywords
- tower
- isocyanate
- evaporation
- column
- packing
- 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
- 238000000034 method Methods 0.000 claims 8
- 238000001704 evaporation Methods 0.000 claims 6
- 239000012948 isocyanate Substances 0.000 claims 6
- 150000002513 isocyanates Chemical class 0.000 claims 6
- 230000008020 evaporation Effects 0.000 claims 5
- 238000012856 packing Methods 0.000 claims 3
- 239000007788 liquid Substances 0.000 claims 2
- 238000000746 purification Methods 0.000 claims 2
- 239000011541 reaction mixture Substances 0.000 claims 2
- 238000000926 separation method Methods 0.000 claims 2
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 238000004821 distillation Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10260093A DE10260093A1 (de) | 2002-12-19 | 2002-12-19 | Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch |
| PCT/EP2003/014186 WO2004056757A1 (de) | 2002-12-19 | 2003-12-13 | Verfahren zur abtrennung von isocyanaten aus einem reaktionsgemisch |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006510693A JP2006510693A (ja) | 2006-03-30 |
| JP2006510693A5 true JP2006510693A5 (enExample) | 2009-05-28 |
| JP4324559B2 JP4324559B2 (ja) | 2009-09-02 |
Family
ID=32404076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004561289A Expired - Fee Related JP4324559B2 (ja) | 2002-12-19 | 2003-12-13 | 反応混合物からのイソシアネートの分離 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20060089507A1 (enExample) |
| EP (1) | EP1575905B1 (enExample) |
| JP (1) | JP4324559B2 (enExample) |
| KR (1) | KR101016737B1 (enExample) |
| CN (1) | CN1729166A (enExample) |
| AT (1) | ATE442350T1 (enExample) |
| AU (1) | AU2003293872A1 (enExample) |
| DE (2) | DE10260093A1 (enExample) |
| ES (1) | ES2330518T3 (enExample) |
| MX (1) | MXPA05006056A (enExample) |
| PT (1) | PT1575905E (enExample) |
| WO (1) | WO2004056757A1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10333929A1 (de) * | 2003-07-25 | 2005-02-24 | Bayer Materialscience Ag | Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat |
| US8030522B2 (en) * | 2006-06-07 | 2011-10-04 | Bayer Materialscience Llc | Process for the production of toluene diisocyanate |
| WO2008055898A1 (de) * | 2006-11-07 | 2008-05-15 | Basf Se | Verfahren zur herstellung von isocyanaten |
| DE102007020444A1 (de) | 2007-04-27 | 2008-11-06 | Bayer Materialscience Ag | Verfahren zur Oxidation eines Chlorwasserstoffenthaltenden Gasgemisches |
| CN101790510B (zh) * | 2007-08-31 | 2013-07-24 | 巴斯夫欧洲公司 | 制备异氰酸酯的方法 |
| CN102675154B (zh) * | 2011-03-11 | 2013-11-06 | 中国科学院过程工程研究所 | 一种氨基甲酸酯热解制备mdi复杂产物的分离精制装置及方法 |
| WO2013139703A1 (de) | 2012-03-19 | 2013-09-26 | Bayer Intellectual Property Gmbh | Verfahren zur herstellung von isocyanaten |
| CN103382167B (zh) * | 2013-05-16 | 2015-06-17 | 甘肃银光聚银化工有限公司 | 一种精制六亚甲基二异氰酸酯的装置和方法 |
| WO2015024859A1 (de) * | 2013-08-19 | 2015-02-26 | Bayer Materialscience Ag | Verfahren zur gewinnung von organischen isocyanaten aus destillationsrückständen der isocyanatherstellung |
| HUE060286T2 (hu) * | 2014-06-24 | 2023-02-28 | Covestro Intellectual Property Gmbh & Co Kg | Eljárás kémiai termékek elõállítására az eljárás megszakítása mellett |
| HUE051732T2 (hu) | 2016-10-10 | 2021-03-29 | Basf Se | Eljárás toluoldiamin (TDA) kátrány hidrogénezésére |
| WO2018114846A1 (de) | 2016-12-21 | 2018-06-28 | Covestro Deutschland Ag | Verfahren zur herstellung eines isocyanats |
| CN107652208B (zh) * | 2017-08-30 | 2020-06-02 | 万华化学（宁波）有限公司 | 一种从光气化反应得到的异氰酸酯产物中脱除溶剂的方法和装置 |
| EP4031526B1 (de) | 2019-09-17 | 2024-07-10 | Covestro Deutschland AG | Verfahren zur herstellung von isocyanaten |
| KR102839455B1 (ko) * | 2020-12-30 | 2025-07-25 | 한화솔루션 주식회사 | 이소시아네이트 화합물의 제조 방법 |
| KR102847664B1 (ko) * | 2021-11-30 | 2025-08-18 | 한화솔루션 주식회사 | 디이소시아네이트의 제조방법 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3140305A (en) * | 1962-12-17 | 1964-07-07 | Fmc Corp | Preparation of diisocyanates |
| US3410888A (en) * | 1965-05-18 | 1968-11-12 | Upjohn Co | Process for recovering aromatic diisocyanates |
| US3405040A (en) * | 1965-08-31 | 1968-10-08 | Mobay Chemical Corp | Method for recovering tolylene diisocyanate |
| CA998060A (en) * | 1970-05-22 | 1976-10-05 | Carl F. Irwin | Recovery of organic isocyanate |
| DE19528781A1 (de) * | 1995-08-04 | 1997-02-06 | Bayer Ag | Verfahren zur Herstellung von Toluylendiisocyanat, spezielle Gemische aus Toluylendiamin und Wasser und deren Verwendung zur Herstellung von Toluylendiisocyanat |
| DE19804915A1 (de) * | 1998-02-07 | 1999-08-12 | Basf Ag | Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat) |
| DE19817691A1 (de) * | 1998-04-21 | 1999-10-28 | Basf Ag | Verfahren zur Herstellung von Mischungen aus Diphenylmehandiisocyanaten und Polyphenylen-polymethylen-polyisocyanaten mit vermindertem Gehalt an chlorierten Nebenprodukten und verminderter Jodfarbzahl |
| EP1371633A1 (en) * | 2002-06-14 | 2003-12-17 | Bayer Ag | Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column |
-
2002
- 2002-12-19 DE DE10260093A patent/DE10260093A1/de not_active Withdrawn
-
2003
- 2003-12-13 JP JP2004561289A patent/JP4324559B2/ja not_active Expired - Fee Related
- 2003-12-13 CN CNA2003801067827A patent/CN1729166A/zh active Pending
- 2003-12-13 ES ES03789263T patent/ES2330518T3/es not_active Expired - Lifetime
- 2003-12-13 PT PT03789263T patent/PT1575905E/pt unknown
- 2003-12-13 EP EP03789263A patent/EP1575905B1/de not_active Expired - Lifetime
- 2003-12-13 AU AU2003293872A patent/AU2003293872A1/en not_active Abandoned
- 2003-12-13 MX MXPA05006056A patent/MXPA05006056A/es active IP Right Grant
- 2003-12-13 DE DE50311902T patent/DE50311902D1/de not_active Expired - Lifetime
- 2003-12-13 WO PCT/EP2003/014186 patent/WO2004056757A1/de not_active Ceased
- 2003-12-13 AT AT03789263T patent/ATE442350T1/de not_active IP Right Cessation
- 2003-12-13 KR KR1020057011102A patent/KR101016737B1/ko not_active Expired - Fee Related
- 2003-12-13 US US10/538,119 patent/US20060089507A1/en not_active Abandoned
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