TW200722408A - Process for the preparation of toluenediamine - Google Patents

Process for the preparation of toluenediamine

Info

Publication number
TW200722408A
TW200722408A TW095125163A TW95125163A TW200722408A TW 200722408 A TW200722408 A TW 200722408A TW 095125163 A TW095125163 A TW 095125163A TW 95125163 A TW95125163 A TW 95125163A TW 200722408 A TW200722408 A TW 200722408A
Authority
TW
Taiwan
Prior art keywords
toluenediamine
stream
product
stream containing
separating
Prior art date
Application number
TW095125163A
Other languages
English (en)
Inventor
Bernd Pennemann
Bill Brady
Rainer Buse
Gerd Greger
Original Assignee
Bayer Materialscience Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer Materialscience Ag filed Critical Bayer Materialscience Ag
Publication of TW200722408A publication Critical patent/TW200722408A/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
    • C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
    • C07C211/49—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
    • C07C211/49—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton
    • C07C211/50—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
TW095125163A 2005-07-12 2006-07-11 Process for the preparation of toluenediamine TW200722408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005032430A DE102005032430A1 (de) 2005-07-12 2005-07-12 Verfahren zur Herstellung von Toluylendiamin

Publications (1)

Publication Number Publication Date
TW200722408A true TW200722408A (en) 2007-06-16

Family

ID=37575400

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095125163A TW200722408A (en) 2005-07-12 2006-07-11 Process for the preparation of toluenediamine

Country Status (7)

Country Link
US (1) US7307190B2 (zh)
JP (1) JP5300182B2 (zh)
KR (1) KR101325821B1 (zh)
CN (1) CN1896047B (zh)
DE (1) DE102005032430A1 (zh)
RU (1) RU2424226C2 (zh)
TW (1) TW200722408A (zh)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8142618B2 (en) * 2006-02-01 2012-03-27 Basf Aktiengesellschaft Processes for preparing pure xylylenediamine
US7750188B2 (en) * 2007-06-27 2010-07-06 H R D Corporation System and process for the production of aniline and toluenediamine
EP2042485A1 (en) * 2007-09-28 2009-04-01 Huntsman International Llc Process for fractionating a mixture of polyisocyanates
EP2213649B2 (en) * 2007-11-27 2016-08-31 Mitsui Chemicals, Inc. Method of dehydrating tolylenediamine and dehydrator
WO2009127591A2 (de) * 2008-04-14 2009-10-22 Basf Se Verfahren zur aufarbeitung von rückständen aus der produktion von isocyanaten
US8884076B2 (en) * 2008-12-09 2014-11-11 Basf Se Method for preparing polymethylols
DE102008063991A1 (de) * 2008-12-19 2010-06-24 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
EP2641892A1 (de) * 2012-03-23 2013-09-25 Bayer MaterialScience AG Verfahren zur Reinigung von Anilin aus Gasphasenhydrierungen
CN104302617A (zh) * 2012-05-04 2015-01-21 拜耳材料科技股份有限公司 处理包含芳香胺的物质混合物,特别是粗制苯胺的物质混合物的方法
CN105593205B (zh) 2013-10-08 2017-12-12 科思创德国股份有限公司 制备二氨基甲苯的方法
EP2915802A1 (de) * 2014-03-03 2015-09-09 Bayer MaterialScience AG Verfahren zur Herstellung von Polyarylaminanlagerungsprodukten, Polyarylanlagerungsprodukte und ihre Verwendung
EP3370842B1 (de) * 2015-11-02 2020-04-01 Covestro Deutschland AG Destillationskolonne und ihre anwendung in der reinigung von isocyanaten
CN105503620A (zh) * 2015-12-28 2016-04-20 甘肃银光聚银化工有限公司 一种提高邻位tda纯度的方法
CN109142306B (zh) * 2018-10-13 2021-01-12 齐齐哈尔大学 一种裸眼或荧光检测Ag+双菲并咪唑探针及使用方法
KR20220025737A (ko) 2019-06-27 2022-03-03 코베스트로 도이칠란트 아게 폴리우레탄 생성물로부터 원료를 회수하는 방법
US20230357532A1 (en) 2020-09-23 2023-11-09 Covestro Deutschland Ag Method for recovering raw materials from polyurethane products
CN114516802B (zh) * 2020-11-19 2023-12-19 万华化学集团股份有限公司 一种甲苯二胺精制的方法
CN113861038A (zh) * 2021-11-11 2021-12-31 金城化学(江苏)有限公司 二环己胺隔板塔精制工艺

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471134A (en) * 1946-07-17 1949-05-24 Standard Oil Dev Co Fractionation apparatus
BE631132A (zh) * 1965-05-17
DE3607665A1 (de) * 1986-03-08 1987-09-10 Bayer Ag Verfahren zur aufarbeitung waessriger aminloesungen
DE4230098C1 (zh) * 1992-09-09 1993-06-03 Bayer Ag, 5090 Leverkusen, De
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
HRP960601B1 (en) * 1995-12-20 2001-12-31 Basf Ag Process for separating medium boiling substances from a mixture of low, medium and high boiling substances
DE19608443C1 (de) * 1996-03-05 1997-07-24 Bayer Ag Verfahren zur Aufarbeitung von Amingemischen bei der Diaminotoluol-Herstellung unter Abtrennung der Schwersieder
FR2777560B1 (fr) * 1998-04-17 2000-06-09 Rhodia Chimie Sa Procede de purification de polyamines aromatiques
DE19914966A1 (de) * 1999-04-01 2000-10-05 Basf Ag Verfahren zur kontinuierlich betriebenen destillativen Abtrennung eines höherschmelzenden Stoffes
EP1192989A1 (de) * 2000-09-28 2002-04-03 Degussa AG Katalysator zur Hydrierung aromatischer Nitroverbindungen
US6359177B1 (en) * 2000-12-15 2002-03-19 Bayer Corporation Process for separating mixtures of materials having different boiling points
DE10105277A1 (de) * 2001-02-02 2002-08-14 Basf Ag Verfahren zur Hydrierung von flüssigen organischen Verbindungen
JP2003088703A (ja) * 2001-09-19 2003-03-25 Sumitomo Heavy Ind Ltd 蒸留装置及び蒸留方法
EP1371633A1 (en) * 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
ATE337297T1 (de) * 2002-10-22 2006-09-15 Bayer Materialscience Ag Verfahren zur reinigung von diisocyanatotoluol unter verwendung einer destillationskolonne mit trennwand in der endreinigung
US7122701B2 (en) * 2003-06-04 2006-10-17 Bayer Aktiengesellschaft Process for preparing aromatic amines
DE102004001456A1 (de) 2004-01-08 2005-08-11 Basf Ag Verfahren zur destillativen Aufbereitung von Toluylendiamin

Also Published As

Publication number Publication date
JP5300182B2 (ja) 2013-09-25
KR20070008414A (ko) 2007-01-17
RU2424226C2 (ru) 2011-07-20
RU2006124970A (ru) 2008-01-27
US20070015940A1 (en) 2007-01-18
KR101325821B1 (ko) 2013-11-05
CN1896047A (zh) 2007-01-17
JP2007023033A (ja) 2007-02-01
CN1896047B (zh) 2011-05-11
US7307190B2 (en) 2007-12-11
DE102005032430A1 (de) 2007-01-25

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