CZ292604B6 - Způsob výroby toluendiisokyanátu - Google Patents

Způsob výroby toluendiisokyanátu Download PDF

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Publication number
CZ292604B6
CZ292604B6 CZ19962299A CZ229996A CZ292604B6 CZ 292604 B6 CZ292604 B6 CZ 292604B6 CZ 19962299 A CZ19962299 A CZ 19962299A CZ 229996 A CZ229996 A CZ 229996A CZ 292604 B6 CZ292604 B6 CZ 292604B6
Authority
CZ
Czechia
Prior art keywords
toluene
toluene diamine
water
diamine
dinitrotoluene
Prior art date
Application number
CZ19962299A
Other languages
Czech (cs)
English (en)
Other versions
CZ229996A3 (en
Inventor
Klaus Dr. Biskup
Berthold Dr. Keggenhoff
Original Assignee
Bayer Aktiengesellschaft
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7768754&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CZ292604(B6) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Aktiengesellschaft filed Critical Bayer Aktiengesellschaft
Publication of CZ229996A3 publication Critical patent/CZ229996A3/cs
Publication of CZ292604B6 publication Critical patent/CZ292604B6/cs

Links

Classifications

    • 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
    • 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
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82—Purification; Separation; Stabilisation; Use of additives
    • C07C209/84—Purification
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
CZ19962299A 1995-08-04 1996-08-02 Způsob výroby toluendiisokyanátu CZ292604B6 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19528781A DE19528781A1 (de) 1995-08-04 1995-08-04 Verfahren zur Herstellung von Toluylendiisocyanat, spezielle Gemische aus Toluylendiamin und Wasser und deren Verwendung zur Herstellung von Toluylendiisocyanat

Publications (2)

Publication Number Publication Date
CZ229996A3 CZ229996A3 (en) 1997-02-12
CZ292604B6 true CZ292604B6 (cs) 2003-11-12

Family

ID=7768754

Family Applications (1)

Application Number Title Priority Date Filing Date
CZ19962299A CZ292604B6 (cs) 1995-08-04 1996-08-02 Způsob výroby toluendiisokyanátu

Country Status (15)

Country Link
US (2) US5849947A (enExample)
EP (2) EP1090906A1 (enExample)
JP (1) JP4095685B2 (enExample)
KR (1) KR100453862B1 (enExample)
CN (2) CN1070474C (enExample)
BR (1) BR9603278A (enExample)
CA (1) CA2182654A1 (enExample)
CZ (1) CZ292604B6 (enExample)
DE (2) DE19528781A1 (enExample)
ES (1) ES2176380T3 (enExample)
PL (1) PL184186B1 (enExample)
PT (1) PT757034E (enExample)
RU (1) RU2202537C2 (enExample)
TW (1) TW374080B (enExample)
UA (1) UA47399C2 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100311692B1 (ko) * 1997-12-23 2001-11-15 신현준 활성탄소 섬유의 제조방법
EP1371633A1 (en) * 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
DE60214195T2 (de) * 2002-10-22 2007-10-04 Bayer Materialscience Ag Verfahren zur Reinigung von Diisocyanatotoluol unter Verwendung einer Destillationskolonne mit Trennwand in der Endreinigung
DE10260093A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch
US7897805B2 (en) * 2005-03-10 2011-03-01 Mitsui Chemicals, Inc. Polyisocyanate production method and polyisocyanate production system
JP5175033B2 (ja) * 2005-03-10 2013-04-03 三井化学株式会社 ポリイソシアネートの製造方法およびポリイソシアネートの製造装置
DE102005032430A1 (de) * 2005-07-12 2007-01-25 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiamin
HUE033435T2 (en) * 2005-07-12 2017-11-28 Covestro Deutschland Ag Process for preparing toluenediamine
DE102005036870A1 (de) * 2005-08-02 2007-02-08 Bayer Materialscience Ag Verfahren zur Gasphasenphosgenierung
JP4791783B2 (ja) * 2005-08-31 2011-10-12 三井化学株式会社 ポリイソシアネートの製造方法
DE102006022447A1 (de) * 2006-05-13 2007-11-15 Bayer Materialscience Ag Verfahren zur gekoppelten Herstellung von Chlor und Isocyanaten
US8030522B2 (en) * 2006-06-07 2011-10-04 Bayer Materialscience Llc Process for the production of toluene diisocyanate
CN100455559C (zh) * 2006-11-08 2009-01-28 大连理工大学 芳香族硝基化合物还原制备芳胺的方法
DE102006059678A1 (de) * 2006-12-18 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von aromatischen Aminen
DE102006060572A1 (de) † 2006-12-19 2008-06-26 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiaminen durch katalytische Hydrierung von Dinitrotoluolen
WO2009069584A1 (ja) * 2007-11-27 2009-06-04 Mitsui Chemicals Polyurethanes, Inc. トリレンジアミンの脱水方法および脱水装置
PL2367783T3 (pl) 2008-11-19 2013-06-28 Basf Se Sposób wytwarzania izocyjanianu
CN101712621B (zh) * 2009-09-02 2012-10-31 甘肃银达化工有限公司 连续制备甲苯二胺的方法
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
RU2518110C1 (ru) * 2010-03-18 2014-06-10 ХАНТСМЭН ИНТЕРНЭШНЛ ЭлЭлСи Способ преобразования ароматического нитросоединения в амины
JP5883661B2 (ja) * 2012-01-25 2016-03-15 旭化成ケミカルズ株式会社 Ｎ−置換カルバミン酸エステルの製造方法
IL236155B (en) * 2014-12-09 2021-10-31 List Holding Ag Chemical production methods and devices for their execution
CN110234624B (zh) * 2017-01-27 2023-03-21 科思创有限公司 稳定甲苯二胺残留物/水共混物的工艺、相关组合物及这类共混物作为燃料的用途
CN110105248B (zh) * 2019-05-31 2021-07-20 上海应用技术大学 一种甲苯二异氰酸酯的制备方法
US20230159433A1 (en) * 2020-05-19 2023-05-25 Covestro Deutschland Ag Method for preparing toluylene diamine mixtures
KR20240012559A (ko) * 2021-05-25 2024-01-29 바스프 에스이 적어도 1종의 폴리이소시아네이트의 제조 방법
EP4151619A1 (en) 2021-09-20 2023-03-22 Covestro Deutschland AG Method for the removal of water from and transport of aliphatic diamines
EP4653418A1 (de) 2024-05-22 2025-11-26 Covestro Deutschland AG Verfahren zur herstellung von organischem isocyanat mit verbesserter nachhaltigkeit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB786407A (en) * 1956-04-30 1957-11-20 Du Pont Process for the catalytic hydrogenation of organic nitro compounds
US2976320A (en) * 1957-07-30 1961-03-21 Allied Chem Catalytic hydrogenation of the dinitro derivatives of toluene
GB895197A (en) * 1960-11-25 1962-05-02 Gen Aniline & Film Corp Catalytic reduction of aromatic dinitro compounds
GB1164519A (en) * 1966-07-19 1969-09-17 Inst Chemii Ogolnej Method for preparing Toluylenediisocyanates from Dinitrotoluenes
GB1303562A (enExample) * 1971-03-12 1973-01-17
DE2456308A1 (de) * 1974-11-28 1976-08-12 Bayer Ag Verfahren zur herstellung von aminoverbindungen
US4224249A (en) * 1979-05-14 1980-09-23 Air Products And Chemicals, Inc. Toluene diamine from non-washed dinitrotoluene
US4717774A (en) * 1985-12-20 1988-01-05 Basf Corporation Process for the preparation of toluene diamines
DE4230098C1 (enExample) * 1992-09-09 1993-06-03 Bayer Ag, 5090 Leverkusen, De
US5449832A (en) * 1994-10-05 1995-09-12 Air Products And Chemicals, Inc. Process for storage and transport of toluenediamine
US5714634A (en) * 1996-06-25 1998-02-03 Air Products And Chemicals, Inc. Process for storage and transport of toluenediamine
US5693862A (en) * 1996-12-18 1997-12-02 Arco Chemical Technology, L.P. Process for transport of toluenediamine

Also Published As

Publication number Publication date
BR9603278A (pt) 1998-05-12
KR100453862B1 (ko) 2005-04-08
EP0757034A1 (de) 1997-02-05
JPH0952873A (ja) 1997-02-25
CZ229996A3 (en) 1997-02-12
CA2182654A1 (en) 1997-02-05
EP1090906A1 (de) 2001-04-11
RU2202537C2 (ru) 2003-04-20
PL315490A1 (en) 1997-02-17
US6472564B1 (en) 2002-10-29
EP0757034B1 (de) 2002-06-05
DE19528781A1 (de) 1997-02-06
PL184186B1 (pl) 2002-09-30
US5849947A (en) 1998-12-15
MX9603167A (es) 1997-07-31
JP4095685B2 (ja) 2008-06-04
TW374080B (enExample) 1999-11-11
CN1332149A (zh) 2002-01-23
CN1149579A (zh) 1997-05-14
UA47399C2 (uk) 2002-07-15
ES2176380T3 (es) 2002-12-01
DE59609285D1 (de) 2002-07-11
CN1070474C (zh) 2001-09-05
CN1163470C (zh) 2004-08-25
KR970010735A (ko) 1997-03-27
PT757034E (pt) 2002-09-30
MX195147B (enExample) 2000-01-31

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Legal Events

Date Code Title Description
PD00 Pending as of 2000-06-30 in czech republic
MM4A Patent lapsed due to non-payment of fee

Effective date: 20050802