MXPA03009607A - Procedimiento para la purificacion de toluenodiisocianato incorporando una columna de destilacion con pared divisoria para la purificacion final. - Google Patents
Procedimiento para la purificacion de toluenodiisocianato incorporando una columna de destilacion con pared divisoria para la purificacion final.Info
- Publication number
- MXPA03009607A MXPA03009607A MXPA03009607A MXPA03009607A MXPA03009607A MX PA03009607 A MXPA03009607 A MX PA03009607A MX PA03009607 A MXPA03009607 A MX PA03009607A MX PA03009607 A MXPA03009607 A MX PA03009607A MX PA03009607 A MXPA03009607 A MX PA03009607A
- Authority
- MX
- Mexico
- Prior art keywords
- solvent
- purification
- toluene diisocyanate
- weight
- less
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/11—Batch distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
La invencion se refiere a un procedimiento para la purificacion de toluenodiisocianato a partir de una corriente alimento de destilacion bruta que comprende menos de 2% en peso de fosgeno caracterizado por a) fraccionar la corriente alimento de destilacion bruta que comprende menos de 2% en peso de fosgeno para eliminar el disolvente y, opcionalmente los residuos de reaccion, produciendo un alimento de toluilenodiisocianato bruto que comprende menos de 20% en peso de disolvente, y b) separar la corriente alimento de toluilenodiisocianato bruto que comprende menos de 20% en peso de disolvente en una columna de destilacion con pared divisoria en cuatro fracciones producto P1 a P4, en las que P1 es una corriente de gas enriquecida en componentes de bajo punto de ebullicion en fase vapor y disolvente, P2 es un producto enriquecido en componentes de bajo punto de ebullicion y disolvente, P3 es un producto de cola enriquecido en componentes de alto punto de ebullicion que comprende toluenodiisocianato y P4 es una corriente de toluenodiisocianato producto pobre en componentes de bajo punto de ebullicion, de alto punto de ebullicion y residuos de reaccion.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02023662A EP1413571B1 (en) | 2002-10-22 | 2002-10-22 | Process for the purification of toluenediisocyanate incorporating a dividing-wall distillation column for the final purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MXPA03009607A true MXPA03009607A (es) | 2004-09-24 |
Family
ID=32050003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MXPA03009607A MXPA03009607A (es) | 2002-10-22 | 2003-10-20 | Procedimiento para la purificacion de toluenodiisocianato incorporando una columna de destilacion con pared divisoria para la purificacion final. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7108770B2 (es) |
| EP (1) | EP1413571B1 (es) |
| JP (1) | JP4360878B2 (es) |
| KR (1) | KR101020373B1 (es) |
| CN (1) | CN1290824C (es) |
| AT (1) | ATE337297T1 (es) |
| BR (1) | BR0304624A (es) |
| CA (1) | CA2445209A1 (es) |
| DE (1) | DE60214195T2 (es) |
| ES (1) | ES2271171T3 (es) |
| MX (1) | MXPA03009607A (es) |
| TW (1) | TWI280956B (es) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10260092A1 (de) * | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur Reinigung von Isocyanaten |
| DE10260027A1 (de) * | 2002-12-19 | 2004-07-08 | Basf Ag | Verfahren zur Abtrennung und Reinigung von Lösungsmittel von einem Reaktionsgemisch aus einer Isocyanatsynthese |
| DE102005004170A1 (de) * | 2005-01-29 | 2006-08-03 | Bayer Materialscience Ag | Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane |
| JP4606918B2 (ja) * | 2005-03-25 | 2011-01-05 | 三井化学株式会社 | 安定化された脂肪族及び／または脂環族イソシアナートを含有する組成物 |
| DE102005032430A1 (de) * | 2005-07-12 | 2007-01-25 | Bayer Materialscience Ag | Verfahren zur Herstellung von Toluylendiamin |
| US8030522B2 (en) * | 2006-06-07 | 2011-10-04 | Bayer Materialscience Llc | Process for the production of toluene diisocyanate |
| JP5200023B2 (ja) * | 2006-09-28 | 2013-05-15 | ビーエーエスエフ ソシエタス・ヨーロピア | モルホリン（ｍｏ）、モノアミノジグリコール（ａｄｇ）、アンモニア及び水を含有する混合物を連続的に蒸留により分離するための方法 |
| JP5460327B2 (ja) * | 2006-11-07 | 2014-04-02 | ビーエーエスエフ ソシエタス・ヨーロピア | イソシアネートの製造方法 |
| DE102006060181A1 (de) * | 2006-12-18 | 2008-06-19 | Bayer Materialscience Ag | Verfahren zur Herstellung von Toluylendiisocyanat |
| DE102007020444A1 (de) | 2007-04-27 | 2008-11-06 | Bayer Materialscience Ag | Verfahren zur Oxidation eines Chlorwasserstoffenthaltenden Gasgemisches |
| JP5479675B2 (ja) * | 2007-11-14 | 2014-04-23 | 三井化学株式会社 | トルエンジイソシアネートの製造方法 |
| BRPI0913812B1 (pt) * | 2008-10-02 | 2018-02-14 | Dow Global Technologies Llc | Método para fracionar uma mistura de alimentação de isocianato |
| KR101146221B1 (ko) * | 2009-02-12 | 2012-05-15 | 주식회사 엘지화학 | 분리벽형 증류탑 |
| CN101671277B (zh) * | 2009-09-18 | 2011-12-28 | 天津大学 | 一种甲苯二异氰酸酯连续生产中热集成的溶剂回收方法 |
| WO2013139703A1 (de) | 2012-03-19 | 2013-09-26 | Bayer Intellectual Property Gmbh | Verfahren zur herstellung von isocyanaten |
| CN104411681B (zh) | 2012-07-11 | 2017-03-29 | 科思创德国股份有限公司 | 后处理由制备异氰酸酯产生的蒸馏残渣的方法 |
| CN105121403B (zh) | 2013-02-08 | 2017-12-08 | 科思创德国股份有限公司 | 从光气化的气体粗产物中分离由伯胺在气相中的光气化制备的异氰酸酯的方法 |
| JP6472759B2 (ja) * | 2013-03-12 | 2019-02-20 | コベストロ、ドイチュラント、アクチエンゲゼルシャフトＣｏｖｅｓｔｒｏ Ｄｅｕｔｓｃｈｌａｎｄ Ａｇ | 淡色のｔｄｉポリイソシアネートを製造するための方法 |
| CN105026454A (zh) | 2013-03-12 | 2015-11-04 | 拜耳材料科技股份有限公司 | 制备具有高纯度的tdi-三聚体的方法 |
| CN105452216B (zh) | 2013-08-19 | 2018-06-05 | 科思创德国股份公司 | 由制备异氰酸酯的蒸馏残渣获得有机异氰酸酯的方法 |
| CN103432761B (zh) * | 2013-08-20 | 2015-07-29 | 李群 | 分离二氯苯同分异构体的精馏方法 |
| HUE039109T2 (hu) | 2014-03-27 | 2018-12-28 | Covestro Deutschland Ag | Eljárás egy gáz fázisú foszgénezõ berendezés üzemeltetésére |
| EP3122720B1 (de) | 2014-03-27 | 2018-06-13 | Covestro Deutschland AG | Verfahren zum betreiben einer gasphasenphosgenierungsanlage |
| EP2952237A1 (en) | 2014-06-02 | 2015-12-09 | Sulzer Chemtech AG | Method for purification of benzoic acid |
| SG11201610637WA (en) | 2014-06-24 | 2017-01-27 | Covestro Deutschland Ag | Methods for producing chemical products with operation interruptions |
| CN104311454A (zh) * | 2014-11-05 | 2015-01-28 | 朱忠良 | 一种甲苯二异氰酸酯的分离方法 |
| CN104529824B (zh) * | 2014-12-25 | 2016-07-06 | 青岛科技大学 | 一种3,5-二氯苯基异氰酸酯的精制方法 |
| CN108137488B (zh) | 2015-09-30 | 2021-02-26 | 科思创德国股份有限公司 | 制备异氰酸酯的方法 |
| WO2017076551A1 (de) | 2015-11-02 | 2017-05-11 | Covestro Deutschland Ag | Destillationskolonne und ihre anwendung in der reinigung von isocyanaten |
| TWI746500B (zh) * | 2016-01-22 | 2021-11-21 | 美商愛克瑪公司 | 使用分隔壁塔蒸餾純化硫醇或噻吩 |
| JP7022113B2 (ja) | 2016-08-17 | 2022-02-17 | コベストロ、ドイチュラント、アクチエンゲゼルシャフト | 統合された製造におけるイソシアネートおよび少なくとも１つの追加の化学製品の製造方法 |
| KR102039089B1 (ko) * | 2016-12-15 | 2019-11-26 | 한화케미칼 주식회사 | 톨루엔디이소시아네이트 정제 방법 |
| HUE053661T2 (hu) | 2016-12-21 | 2021-07-28 | Covestro Intellectual Property Gmbh & Co Kg | Eljárás egy izocianát elõállítására |
| WO2020055551A1 (en) * | 2018-09-14 | 2020-03-19 | Exxonmobil Research And Engineering Company | Advanced process control scheme for dividing wall column and dual-dividing wall column with multiple products |
| CN113614478B (zh) | 2019-04-02 | 2023-11-17 | 科思创知识产权两合公司 | 干燥装置及其用途以及用于在使用该干燥装置的情况下制备异氰酸酯的方法 |
| US20220332677A1 (en) | 2019-09-17 | 2022-10-20 | Covestro Deutschland Ag | Method for producing isocyanates |
| EP3960728A1 (de) | 2020-08-24 | 2022-03-02 | Covestro Deutschland AG | Verfahren zur isocyanat-herstellung mit rezyklierender, thermisch oxidativer verwertung |
| KR20220095865A (ko) * | 2020-12-30 | 2022-07-07 | 한화솔루션 주식회사 | 이소시아네이트 화합물의 제조 방법 |
| KR20220095866A (ko) * | 2020-12-30 | 2022-07-07 | 한화솔루션 주식회사 | 이소시아네이트 화합물의 제조 방법 |
| WO2023140986A1 (en) | 2022-01-19 | 2023-07-27 | Exxonmobil Chemical Patents Inc. | Compositions containing tri-cyclopentadiene and processes for making same |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2471134A (en) * | 1946-07-17 | 1949-05-24 | Standard Oil Dev Co | Fractionation apparatus |
| US2908704A (en) * | 1957-08-07 | 1959-10-13 | Du Pont | Process of preparing isocyanates |
| US3287387A (en) * | 1963-07-29 | 1966-11-22 | Olin Mathieson | Process for the production of aromatic isocyanates |
| US3321283A (en) * | 1963-12-23 | 1967-05-23 | Mobay Chemical Corp | Apparatus for conducting rapid chemical reactions |
| US3499021A (en) * | 1966-10-19 | 1970-03-03 | Olin Mathieson | Toluene diisocyanate process |
| US3987075A (en) * | 1972-01-03 | 1976-10-19 | Olin Corporation | Solvent extraction and distillation technique for purification of organic isocyanates |
| DE2452805A1 (de) * | 1974-11-07 | 1976-05-20 | Basf Ag | Verfahren zur abtrennung von rueckstaenden der toluylendiisocyanatherstellung |
| DE3430022A1 (de) * | 1984-08-16 | 1986-02-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur gewinnung von reinen diisocyanaten |
| JPH07636B2 (ja) * | 1984-12-17 | 1995-01-11 | 三井東圧化学株式会社 | Ｎ−ホルミル−α−アスパルチルフエニルアラニンの製造法 |
| DE3736988C1 (de) * | 1987-10-31 | 1989-03-23 | Bayer Ag | Verfahren zur kontinuierlichen Herstellung von organischen Mono- und Polyisocyanaten |
| DE4217019A1 (de) * | 1992-05-22 | 1993-11-25 | Bayer Ag | Verfahren zur Herstellung von aromatischen Diisocyanaten |
| 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 |
| EP1371634A1 (en) * | 2002-06-14 | 2003-12-17 | Bayer Ag | Process for the purification of mixtures of toluenediisocyanate |
| 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
- 2002-10-22 AT AT02023662T patent/ATE337297T1/de not_active IP Right Cessation
- 2002-10-22 EP EP02023662A patent/EP1413571B1/en not_active Expired - Lifetime
- 2002-10-22 ES ES02023662T patent/ES2271171T3/es not_active Expired - Lifetime
- 2002-10-22 DE DE60214195T patent/DE60214195T2/de not_active Expired - Lifetime
-
2003
- 2003-10-16 US US10/687,157 patent/US7108770B2/en active Active
- 2003-10-16 CA CA002445209A patent/CA2445209A1/en not_active Abandoned
- 2003-10-20 BR BR0304624-9A patent/BR0304624A/pt not_active IP Right Cessation
- 2003-10-20 MX MXPA03009607A patent/MXPA03009607A/es active IP Right Grant
- 2003-10-21 TW TW092129067A patent/TWI280956B/zh not_active IP Right Cessation
- 2003-10-21 KR KR1020030073258A patent/KR101020373B1/ko active IP Right Grant
- 2003-10-22 JP JP2003362193A patent/JP4360878B2/ja not_active Expired - Fee Related
- 2003-10-22 CN CNB200310102874XA patent/CN1290824C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BR0304624A (pt) | 2004-08-31 |
| EP1413571A1 (en) | 2004-04-28 |
| KR20040035567A (ko) | 2004-04-29 |
| KR101020373B1 (ko) | 2011-03-08 |
| ATE337297T1 (de) | 2006-09-15 |
| CN1290824C (zh) | 2006-12-20 |
| JP2004143173A (ja) | 2004-05-20 |
| US20040118672A1 (en) | 2004-06-24 |
| CA2445209A1 (en) | 2004-04-22 |
| TW200418767A (en) | 2004-10-01 |
| EP1413571B1 (en) | 2006-08-23 |
| TWI280956B (en) | 2007-05-11 |
| ES2271171T3 (es) | 2007-04-16 |
| US7108770B2 (en) | 2006-09-19 |
| JP4360878B2 (ja) | 2009-11-11 |
| DE60214195T2 (de) | 2007-10-04 |
| DE60214195D1 (de) | 2006-10-05 |
| CN1496978A (zh) | 2004-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration |