JP2016531124A5 - - Google Patents
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- JP2016531124A5 JP2016531124A5 JP2016535426A JP2016535426A JP2016531124A5 JP 2016531124 A5 JP2016531124 A5 JP 2016531124A5 JP 2016535426 A JP2016535426 A JP 2016535426A JP 2016535426 A JP2016535426 A JP 2016535426A JP 2016531124 A5 JP2016531124 A5 JP 2016531124A5
- Authority
- JP
- Japan
- Prior art keywords
- distillation
- weight
- less
- mbar
- distillation residue
- 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 18
- 238000004821 distillation Methods 0.000 claims 14
- 239000012948 isocyanate Substances 0.000 claims 8
- 150000002513 isocyanates Chemical class 0.000 claims 8
- 125000003118 aryl group Chemical group 0.000 claims 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims 3
- 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 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 2
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 claims 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 1
- 239000003463 adsorbent Substances 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 150000004984 aromatic diamines Chemical class 0.000 claims 1
- 150000001805 chlorine compounds Chemical class 0.000 claims 1
- 239000011552 falling film Substances 0.000 claims 1
- 239000002798 polar solvent Substances 0.000 claims 1
- 229920000768 polyamine Polymers 0.000 claims 1
- 229920001228 polyisocyanate Polymers 0.000 claims 1
- 239000005056 polyisocyanate Substances 0.000 claims 1
- 150000003141 primary amines Chemical class 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13180927.9 | 2013-08-19 | ||
| EP13180927 | 2013-08-19 | ||
| PCT/EP2014/067432 WO2015024859A1 (de) | 2013-08-19 | 2014-08-14 | Verfahren zur gewinnung von organischen isocyanaten aus destillationsrückständen der isocyanatherstellung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016531124A JP2016531124A (ja) | 2016-10-06 |
| JP2016531124A5 true JP2016531124A5 (https=) | 2017-09-21 |
| JP6581581B2 JP6581581B2 (ja) | 2019-09-25 |
Family
ID=48985687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016535426A Expired - Fee Related JP6581581B2 (ja) | 2013-08-19 | 2014-08-14 | イソシアネート製造において生じる蒸留残渣から有機イソシアネートを取得する方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9688619B2 (https=) |
| EP (1) | EP3036217B1 (https=) |
| JP (1) | JP6581581B2 (https=) |
| KR (1) | KR20160044473A (https=) |
| CN (1) | CN105452216B (https=) |
| HU (1) | HUE035677T2 (https=) |
| SA (1) | SA516370580B1 (https=) |
| WO (1) | WO2015024859A1 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HUE053661T2 (hu) * | 2016-12-21 | 2021-07-28 | Covestro Intellectual Property Gmbh & Co Kg | Eljárás egy izocianát elõállítására |
| HUE053892T2 (hu) * | 2017-04-03 | 2021-07-28 | Covestro Intellectual Property Gmbh & Co Kg | Tisztító berendezés izocianát elõállításából származó gázáramokhoz |
| EP3798208A1 (de) * | 2019-09-30 | 2021-03-31 | Covestro Deutschland AG | Verfahren zur destillation von isocyanaten |
| EP3960728A1 (de) | 2020-08-24 | 2022-03-02 | Covestro Deutschland AG | Verfahren zur isocyanat-herstellung mit rezyklierender, thermisch oxidativer verwertung |
| CN114605288B (zh) * | 2020-12-03 | 2024-02-02 | 万华化学集团股份有限公司 | 一种异氰酸酯聚合物的高效分离回收工艺及装置 |
| CN114907237B (zh) * | 2022-06-06 | 2024-01-30 | 山东新和成维生素有限公司 | 一种过滤回收异氰酸酯精馏残渣中异氰酸酯的方法及过滤回收系统 |
| CN115819285B (zh) * | 2022-10-28 | 2025-01-07 | 宁夏瑞泰科技股份有限公司 | 一种含1,5-萘二异氰酸酯的精馏釜残渣的处理方法 |
| CN117736115A (zh) * | 2023-11-28 | 2024-03-22 | 宁夏瑞泰科技股份有限公司 | Hdi精馏釜残的处理方法和己二胺产品 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB795639A (en) | 1955-09-09 | 1958-05-28 | Bayer Ag | A process for recovering amines from the residues in the production of aromatic isocyanates |
| US3128310A (en) | 1955-09-09 | 1964-04-07 | Bayer Ag | Recovery of amines |
| GB1047101A (en) | 1964-03-23 | 1966-11-02 | Mobay Chemical Corp | Recovery of amines |
| DE2703313A1 (de) | 1977-01-27 | 1978-08-03 | Bayer Ag | Verfahren zur herstellung von organischen polyaminen |
| US4633018A (en) * | 1985-12-20 | 1986-12-30 | Uop Inc. | Process for separating isomers of toluenediamine |
| US5185384A (en) * | 1991-01-28 | 1993-02-09 | The Dow Chemical Company | Method for reducing hydrolyzable chloride in toluene diisocyanate |
| EP0497538A3 (en) * | 1991-01-28 | 1993-01-13 | The Dow Chemical Company | Process for reducing hydrolyzable chloride in toluene diisocyanate |
| DE4142769A1 (de) | 1991-12-23 | 1993-06-24 | Bayer Hispania Ind S A | Verfahren zur herstellung von isocyanaten und aufarbeitung des rueckstandes |
| DE4317669A1 (de) | 1993-05-27 | 1994-12-01 | Bayer Ag | Verfahren zur Herstellung von Isocyanaten und kontinuierlichen Aufarbeitung des Rückstandes |
| DE4430951C1 (de) | 1994-08-31 | 1996-05-23 | Bayer Ag | Verfahren und Vorrichtung zur Abtrennung eines festen Rückstandes aus seiner Lösung im gerührten Gutbett |
| DE19827086A1 (de) * | 1998-06-18 | 1999-12-23 | Basf Ag | Verfahren zur Aufarbeitung von Destillationsrückständen aus der Synthese von Toluylendiisocyanat |
| EP1371633A1 (en) * | 2002-06-14 | 2003-12-17 | Bayer Ag | Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column |
| ES2271171T3 (es) | 2002-10-22 | 2007-04-16 | Bayer Materialscience Ag | Procedimiento para la purificacion de toluendiisocianato que incorpora una columna de destilacion de pared divisoria para la purificacion final. |
| DE10260093A1 (de) | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch |
| DE10260092A1 (de) | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur Reinigung von Isocyanaten |
| EP1518874B1 (de) * | 2003-09-24 | 2006-12-13 | Basf Aktiengesellschaft | Monomerarmes Gemisch, enthaltend polymeres MDI |
| JP5116954B2 (ja) | 2005-07-12 | 2013-01-09 | 三井化学株式会社 | ポリイソシアネート残渣の濃縮方法、処理方法、濃縮装置および処理装置 |
| DE102006058633A1 (de) | 2006-12-13 | 2008-06-19 | Bayer Materialscience Ag | Verfahren zur Herstellung von Isocyanaten in der Gasphase |
| DE102006060181A1 (de) | 2006-12-18 | 2008-06-19 | Bayer Materialscience Ag | Verfahren zur Herstellung von Toluylendiisocyanat |
| DE102008061686A1 (de) | 2008-12-11 | 2010-06-17 | Bayer Materialscience Ag | Verfahren zur Herstellung von Isocyanaten in der Gasphase |
-
2014
- 2014-08-14 US US14/907,591 patent/US9688619B2/en not_active Expired - Fee Related
- 2014-08-14 JP JP2016535426A patent/JP6581581B2/ja not_active Expired - Fee Related
- 2014-08-14 WO PCT/EP2014/067432 patent/WO2015024859A1/de not_active Ceased
- 2014-08-14 KR KR1020167003898A patent/KR20160044473A/ko not_active Withdrawn
- 2014-08-14 EP EP14750749.5A patent/EP3036217B1/de not_active Not-in-force
- 2014-08-14 CN CN201480046112.9A patent/CN105452216B/zh not_active Expired - Fee Related
- 2014-08-14 HU HUE14750749A patent/HUE035677T2/hu unknown
-
2016
- 2016-02-18 SA SA516370580A patent/SA516370580B1/ar unknown
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