MX9302959A - Procedimiento para la obtencion de diisocianatos aromaticos. - Google Patents

Procedimiento para la obtencion de diisocianatos aromaticos.

Info

Publication number
MX9302959A
MX9302959A MX9302959A MX9302959A MX9302959A MX 9302959 A MX9302959 A MX 9302959A MX 9302959 A MX9302959 A MX 9302959A MX 9302959 A MX9302959 A MX 9302959A MX 9302959 A MX9302959 A MX 9302959A
Authority
MX
Mexico
Prior art keywords
aromatic diisocyanates
procedure
obtaining aromatic
obtaining
phosgenizing
Prior art date
Application number
MX9302959A
Other languages
English (en)
Spanish (es)
Other versions
MX184048B (oth
Inventor
Klaus Biskup
Christian Konig
Eckart Waldau
Original Assignee
Bayer 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 Ag filed Critical Bayer Ag
Publication of MX9302959A publication Critical patent/MX9302959A/es
Publication of MX184048B publication Critical patent/MX184048B/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/10Preparation 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)
MX9302959A 1992-05-22 1993-05-20 Procedimiento para la obtencion de diisocianatos aromaticos. MX9302959A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4217019A DE4217019A1 (de) 1992-05-22 1992-05-22 Verfahren zur Herstellung von aromatischen Diisocyanaten

Publications (2)

Publication Number Publication Date
MX9302959A true MX9302959A (es) 1993-11-01
MX184048B MX184048B (oth) 1997-02-20

Family

ID=6459524

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9302959A MX9302959A (es) 1992-05-22 1993-05-20 Procedimiento para la obtencion de diisocianatos aromaticos.

Country Status (8)

Country Link
US (1) US5449818A (oth)
EP (1) EP0570799B1 (oth)
JP (1) JP3219903B2 (oth)
BR (1) BR9302015A (oth)
CA (1) CA2096501C (oth)
DE (2) DE4217019A1 (oth)
MX (1) MX9302959A (oth)
TW (1) TW266203B (oth)

Families Citing this family (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4412327A1 (de) * 1994-04-11 1995-10-12 Bayer Ag Verfahren zur Herstellung von Diisocyanaten
FR2723585B1 (fr) 1994-08-12 1996-09-27 Rhone Poulenc Chimie Procede de preparation de composes du type polyisocyanates aromatiques en phase gazeuse.
US5856567A (en) * 1995-06-07 1999-01-05 Novus International, Inc. Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanioc acid or salts thereof
DE19523385A1 (de) * 1995-06-23 1997-01-09 Bayer Ag Verfahren zur Herstellung von Triisocyanaten
DE19800529A1 (de) 1998-01-09 1999-07-15 Bayer Ag Verfahren zur Phosgenierung von Aminen in der Gasphase unter Einsatz von Mikrostrukturmischern
DE10133728A1 (de) 2001-07-11 2003-01-23 Bayer Ag Verfahren zur Herstellung von (cyclo)aliphatischen Diisocyanaten
DE10158160A1 (de) 2001-11-28 2003-06-12 Basf Ag Herstellung von Isocyanaten in der Gasphase
DE10161384A1 (de) 2001-12-14 2003-06-18 Bayer Ag Verbessertes Verfahren für die Herstellung von (/Poly)-isocyanaten in der Gasphase
US20030229237A1 (en) * 2002-04-02 2003-12-11 Haas Michael J. In situ production of fatty acid alkyl esters
DE10222023A1 (de) * 2002-05-17 2003-11-27 Bayer Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
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
DE10238995A1 (de) * 2002-08-20 2004-02-26 Basf Ag Gasphasenphosgenierung bei moderaten Drücken
DE10245704A1 (de) * 2002-09-30 2004-04-01 Bayer Ag Verfahren zum Quenchen eines gasförmigen Reaktionsgemisches bei der Gasphasenphosgenierung von Diaminen
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.
DE10260082A1 (de) 2002-12-19 2004-07-01 Basf Ag Verfahren zur kontinuierlichen Herstellung von Isocyanaten
DE10260084A1 (de) 2002-12-19 2004-07-01 Basf Ag Auftrennung eines Stoffgemisches aus Clorwasserstoff und Phosgen
DE10307141A1 (de) * 2003-02-20 2004-09-02 Bayer Ag Verfahren zur Herstellung von (Poly)isocyanaten in der Gasphase
DE10349504A1 (de) * 2003-10-23 2005-05-25 Bayer Technology Services Gmbh Verfahren zur Herstellung von Isocyanaten in der Gasphase
DE102004030164A1 (de) 2004-06-22 2006-01-19 Basf Ag Verfahren zur Herstellung von Isocyanaten
DE102005014847A1 (de) * 2005-03-30 2006-10-05 Basf Ag MMDI und PMDI Herstellung mittels Gasphasenphosegenierung
DE102005037328A1 (de) 2005-08-04 2007-02-08 Basf Ag Verfahren zur Herstellung von Isocyanaten
US7504533B2 (en) * 2006-04-24 2009-03-17 Bayer Materialscience Llc Process for the production of isocyanates
DE102006022761A1 (de) * 2006-05-16 2007-11-22 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten
DE102006023261A1 (de) 2006-05-18 2007-11-22 Bayer Materialscience Ag Verfahren zur Herstellung von Chlor aus Chlorwasserstoff und Sauerstoff
DE102006023581A1 (de) * 2006-05-19 2007-11-22 Bayer Materialscience Ag Verfahren zur Abtrennung von Chlor aus dem Produktgas eines HCI-Oxidationsprozesses
DE102006024516A1 (de) * 2006-05-23 2007-11-29 Bayer Materialscience Ag Verfahren zur Herstellung von Chlor aus Chlorwasserstoff und Sauerstoff
DE102006024506A1 (de) * 2006-05-23 2007-11-29 Bayer Materialscience Ag Verfahren zur Herstellung von Chlor aus Chlorwasserstoff und Sauerstoff
DE102006024549A1 (de) * 2006-05-23 2007-11-29 Bayer Materialscience Ag Verfahren zur Herstellung von organischen Isocyanaten
DE102006024515A1 (de) * 2006-05-23 2007-11-29 Bayer Materialscience Ag Verfahren zur Chlorwasserstoff-Oxidation mit Sauerstoff
DE102006024542A1 (de) 2006-05-23 2007-11-29 Bayer Materialscience Ag Verfahren zur Abtrennung von Kohlenmonoxid aus einem chlorwasserstoffhaltigen Gas
DE102006024548A1 (de) * 2006-05-23 2007-11-29 Bayer Materialscience Ag Verfahren zur Oxidation eines Chlorwasserstoff-enthaltenden Gases
DE102006024518A1 (de) * 2006-05-23 2007-11-29 Bayer Materialscience Ag Verfahren zur Herstellung von Chlor aus Chlorwasserstoff und Sauerstoff
US7547801B2 (en) * 2006-06-26 2009-06-16 Bayer Materialscience Llc Process for the continuous preparation of isocyanates
HUE025811T2 (en) * 2006-07-13 2016-04-28 Basf Se Process for the preparation of isocyanates
US8044166B2 (en) 2006-08-01 2011-10-25 Basf Aktiengesellschaft Process for preparing pentamethylene 1,5-diisocyanate
EP2084128B1 (de) 2006-10-26 2014-05-14 Basf Se Verfahren zur herstellung von isocyanaten
EP2079684B1 (de) 2006-11-07 2016-06-22 Basf Se Verfahren zur herstellung von isocyanaten
DE102006058634A1 (de) 2006-12-13 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
DE102006058633A1 (de) 2006-12-13 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
ES2427593T3 (es) 2007-01-08 2013-10-31 Basf Se Procedimiento para la obtención de difenilmetanodiamina
HUE025889T2 (en) * 2007-01-17 2016-05-30 Basf Se Process for the preparation of isocyanates
DE102007020096A1 (de) 2007-04-26 2008-10-30 Bayer Materialscience Ag Verfahren zur Oxidation von Kohlenmonoxid in einem HCI enthaltenden Gasstrom
DE102007020444A1 (de) 2007-04-27 2008-11-06 Bayer Materialscience Ag Verfahren zur Oxidation eines Chlorwasserstoffenthaltenden Gasgemisches
EP2188247B1 (de) 2007-08-30 2018-05-02 Basf Se Verfahren zur herstellung von isocyanaten
EP2200976B1 (de) 2007-09-19 2011-11-23 Basf Se Verfahren zur herstellung von isocyanaten
DE102007056511A1 (de) * 2007-11-22 2009-05-28 Bayer Materialscience Ag Verfahren zur Herstellung aromatischer Diisocyanate in der Gasphase
DE102008009761A1 (de) * 2008-02-19 2009-08-27 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten
EP2128127A1 (de) * 2008-05-31 2009-12-02 Bayer MaterialScience AG Ammoniumchloridabtrennung aus der Gasphase
DE102008051694A1 (de) 2008-10-15 2010-04-22 Bayer Materialscience Ag Verfahren zur Abtrennung von Kohlenmonoxid aus einem HCI-Rohgas
DE102008061686A1 (de) * 2008-12-11 2010-06-17 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
DE102008063728A1 (de) * 2008-12-18 2010-06-24 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
DE102008063991A1 (de) * 2008-12-19 2010-06-24 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
DE102009032413A1 (de) 2009-07-09 2011-01-13 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten
DE102009032414A1 (de) 2009-07-09 2011-01-13 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
DE102009033639A1 (de) 2009-07-17 2011-01-20 Bayer Materialscience Ag Verfahen zur Herstellung von Isocyanaten in der Gasphase
US8759585B2 (en) 2009-12-18 2014-06-24 Basf Se Two-stage process for cost-effective deposition of homogeneous catalysts in MDA synthesis
US20110228630A1 (en) * 2010-03-16 2011-09-22 Dow Global Technologies, Inc. Reduced Transit Static Mixer Configuration
ES2522840T3 (es) 2010-03-18 2014-11-18 Basf Se Procedimiento para la preparación de isocianatos
US8981145B2 (en) 2010-03-18 2015-03-17 Basf Se Process for preparing isocyanates
KR102042563B1 (ko) * 2011-11-30 2019-11-11 바이엘 인텔렉쳐 프로퍼티 게엠베하 이소시네이트의 연속 개질 방법
KR102020697B1 (ko) 2012-03-19 2019-09-10 바이엘 인텔렉쳐 프로퍼티 게엠베하 이소시아네이트를 제조하는 방법
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
KR20150114523A (ko) 2013-02-08 2015-10-12 바이엘 머티리얼사이언스 아게 기체상에서 1차 아민의 포스겐화에 의해 제조된 이소시아네이트를 포스겐화 기체의 조생성물로부터 분리하는 방법
PT3160630T (pt) 2014-06-24 2022-11-21 Covestro Intellectual Property Gmbh & Co Kg Processo para a produção de produtos químicos com interrupções do processo
US20170305842A1 (en) 2014-09-19 2017-10-26 Covestro Deutschland Ag Method for producing isocyanates in the gas phase
EP3307708B1 (de) 2015-06-12 2021-12-01 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von diisocyanaten in der gasphase
WO2017009311A1 (de) 2015-07-16 2017-01-19 Covestro Deutschland Ag Verfahren zur herstellung von isocyanaten
JP7013372B2 (ja) 2015-11-02 2022-01-31 コベストロ、ドイチュラント、アクチエンゲゼルシャフト イソシアネートを精製するための蒸留塔およびその使用
US10618871B2 (en) 2016-08-17 2020-04-14 Covestro Deutschland Ag Process for producing isocyanate and at least one further chemical product in an integrated production
HUE053661T2 (hu) 2016-12-21 2021-07-28 Covestro Intellectual Property Gmbh & Co Kg Eljárás egy izocianát elõállítására
EP3421426A1 (de) 2017-06-29 2019-01-02 Covestro Deutschland AG Energieeffizientes verfahren zur bereitstellung von phosgen-dampf
CN112020493B (zh) 2018-05-15 2023-04-21 旭化成株式会社 氨基甲酸酯的制造方法和异氰酸酯的制造方法
US10626084B2 (en) 2018-08-03 2020-04-21 Covestro Llc Method for producing two isocyanates
EP4031526B1 (de) 2019-09-17 2024-07-10 Covestro Deutschland AG Verfahren zur herstellung von isocyanaten
CN116547267A (zh) 2020-11-23 2023-08-04 巴斯夫欧洲公司 制备异氰酸酯的方法
CN114044744B (zh) * 2021-10-18 2023-05-02 宁夏瑞泰科技股份有限公司 一种采用气相法合成正丁基异氰酸酯的方法
EP4296260A1 (de) 2022-06-22 2023-12-27 Covestro Deutschland AG Herstellung spezieller isocyanate durch co-phosgenierung
US20250376438A1 (en) 2022-06-22 2025-12-11 Covestro Deutschland Ag Method for producing isocyanates via phosgenation of a mixture of (ar)aliphatic diamines and cycloaliphatic diamines
CN121487991A (zh) 2023-07-14 2026-02-06 巴斯夫欧洲公司 用于回收利用聚氨酯泡沫的方法
WO2025016934A1 (en) 2023-07-14 2025-01-23 Basf Se Recycling of pu-softfoams with graft polyol content
WO2025016903A1 (en) 2023-07-14 2025-01-23 Basf Se Recovery of polyesterols from polyesterol-based polyurethanes via hydrolysis and re-condensation
WO2025016920A1 (en) 2023-07-14 2025-01-23 Basf Se Process for autocatalytic hydroglycolytic or hydrolytic cleavage of waste streams containing polyurethane
WO2025016900A1 (en) 2023-07-14 2025-01-23 Basf Se Process for recycling polyurethane waste through remonomerization by hydro ammonolysis
WO2025190721A1 (en) 2024-03-13 2025-09-18 Basf Se Method for recycling a polymer material from a vehicle scrap material
WO2025219539A1 (en) 2024-04-19 2025-10-23 Basf Se Process for recovering toluene diamine from a toluene diisocyanate comprising material
WO2025262151A2 (en) 2024-06-19 2025-12-26 Basf Se Process for recycling polyurethane waste through remonomerization by hydroaminolysis
WO2025262140A1 (en) 2024-06-19 2025-12-26 Basf Se Process for recycling waste material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD132340B1 (de) * 1975-09-23 1983-06-08 Hans Iben Verfahren zur phosgenierung von aminen zu mono-,di-und polyisocyanaten
DE3121036A1 (de) * 1981-05-27 1982-12-16 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlicehn herstellung von organischen mono- oder polyisocyanaten
DE3714439A1 (de) * 1987-04-30 1988-11-10 Bayer Ag Verfahren zur herstellung von (cyclo)aliphatischen diisocyanaten

Also Published As

Publication number Publication date
EP0570799B1 (de) 1996-06-19
JPH0641046A (ja) 1994-02-15
EP0570799A1 (de) 1993-11-24
BR9302015A (pt) 1993-11-30
CA2096501C (en) 2003-07-29
US5449818A (en) 1995-09-12
TW266203B (en) 1995-12-21
CA2096501A1 (en) 1993-11-23
MX184048B (oth) 1997-02-20
DE4217019A1 (de) 1993-11-25
DE59302987D1 (de) 1996-07-25
JP3219903B2 (ja) 2001-10-15

Similar Documents

Publication Publication Date Title
MX9302959A (es) Procedimiento para la obtencion de diisocianatos aromaticos.
EP0638599A3 (de) Verfahren zur Herstellung von Polyacetalen.
ZA972614B (en) Process for the production of butane-1,4-diol.
HU9403466D0 (en) Process for producing 3,4,4-trisubstituted piperidinyl-n-alkyl-carboxilates and their intermediates
ES2109731T3 (es) Procedimiento para producir acidos n-amino-1-hidroxi-alquiliden-1,1-bisfosfonicos.
TR199600676A2 (tr) Yüksek saflikta karbondioksit üretmek icin yöntem.
HUP0000541A3 (en) Process for producing aromatic amines by gaseous phase hydrogenation
MX9705726A (es) Amidas del acido alcoximinoacetico.
BG102788A (en) New methods for the preparation of intermediate compounds for presticides
ZA9811117B (en) Process for producing saw strips.
SG70985A1 (en) Process for producing 1,4-dienes
MX9604287A (es) Procedimiento para la produccion de eter-isocianatos.
MX9706744A (es) Proceso novedosos para preparar derivados de 2,3-dihidro-benzofuranol.
NO864652D0 (no) Fremgangsmaate ved utvinning av produktene ved en dehydrocyclodimeriseringsprosess.
GB9505996D0 (en) High stability, organic tanning process
DE69113750D1 (de) Dimerisierungsverfahren für n-Buten.
GR3015359T3 (en) Process for the production of peptides by solid phase synthesis.
PL331284A1 (en) Intermediate product for use in obtaining 2-imidazolyn-5-ones
IL133923A0 (en) Method for preparing 3-cyano-2,4-dihalogen-5-fluoro-benzoic acid
FR2662438B1 (fr) Procede de production d'alkylbenzenes utilisant des catalyseurs a base de zeolithe y desaluminee.
ES2178324T3 (es) Procedimiento para la obtencion de butadieno-1,2.
EP0624654A3 (de) Verfahren zur Herstellung von Leder aus Tierhäuten.
GR930300105T1 (en) Process for economically producing a protein by using silkworms.
EP1142864A4 (en) PROCESS FOR PRODUCING L-ERYTHRO- (1R, 2S) -2-AMINO-1-PHENYLPROPAN-1-OL
DK199901544A (da) Anordning til at muliggøre fleksibel udskiftning af geværløb

Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees