BRPI0511449A - processo para a preparação de isocianatos, uso de fosgênio, e, instalação de produção para a preparação de isocianatos - Google Patents

processo para a preparação de isocianatos, uso de fosgênio, e, instalação de produção para a preparação de isocianatos

Info

Publication number
BRPI0511449A
BRPI0511449A BRPI0511449-7A BRPI0511449A BRPI0511449A BR PI0511449 A BRPI0511449 A BR PI0511449A BR PI0511449 A BRPI0511449 A BR PI0511449A BR PI0511449 A BRPI0511449 A BR PI0511449A
Authority
BR
Brazil
Prior art keywords
isocyanates
preparation
phosgene
production facility
facility
Prior art date
Application number
BRPI0511449-7A
Other languages
English (en)
Inventor
Andreas Woelfert
Hans-Juergen Pallasch
Eckhard Stroefer
Ulrich Penzel
Filip Deberdt
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of BRPI0511449A publication Critical patent/BRPI0511449A/pt
Publication of BRPI0511449B1 publication Critical patent/BRPI0511449B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/12—Derivatives of isocyanic acid having isocyanate groups bound to carbon atoms of six-membered aromatic rings
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BRPI0511449-7A 2004-05-25 2005-05-21 Processo contínuo para a preparação de isocianatos BRPI0511449B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004026095A DE102004026095A1 (de) 2004-05-25 2004-05-25 Verfahren zur Herstellung von Isocyanaten
DE102004026095.8 2004-05-25
PCT/EP2005/005520 WO2005115974A1 (de) 2004-05-25 2005-05-21 Verfahren zur herstellung von isocyanaten

Publications (2)

Publication Number Publication Date
BRPI0511449A true BRPI0511449A (pt) 2007-12-26
BRPI0511449B1 BRPI0511449B1 (pt) 2015-06-09

Family

ID=34993201

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0511449-7A BRPI0511449B1 (pt) 2004-05-25 2005-05-21 Processo contínuo para a preparação de isocianatos

Country Status (11)

Country Link
US (1) US20070232827A1 (pt)
EP (1) EP1753715B1 (pt)
JP (1) JP4833966B2 (pt)
KR (1) KR101213954B1 (pt)
CN (1) CN1956948A (pt)
BR (1) BRPI0511449B1 (pt)
DE (1) DE102004026095A1 (pt)
ES (1) ES2753382T3 (pt)
HU (1) HUE045895T2 (pt)
PT (1) PT1753715T (pt)
WO (1) WO2005115974A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUE025903T2 (en) * 2005-04-05 2016-05-30 Mitsui Chemicals Inc Gas treatment apparatus, in particular for a polyisocyanate producing system
DE102005037328A1 (de) 2005-08-04 2007-02-08 Basf Ag Verfahren zur Herstellung von Isocyanaten
DE102006022448A1 (de) * 2006-05-13 2007-11-15 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten
US20100048942A1 (en) * 2006-12-11 2010-02-25 Basf Se Process for preparing isocyanates
US7813839B2 (en) * 2006-12-14 2010-10-12 Bayer Materialscience Ag Process for controlling a production process
EP2060560B1 (en) * 2007-11-14 2016-04-13 Covestro Deutschland AG Preparation of light-colored isocyanates
CN104203910A (zh) * 2012-03-19 2014-12-10 拜耳知识产权有限责任公司 制备异氰酸酯的方法
WO2016142475A1 (de) 2015-03-12 2016-09-15 Basf Se Verfahren zur trennung eines phosgen und chlorwasserstoff enthaltenden stoffstroms
HUE046418T2 (hu) 2015-06-29 2020-03-30 Covestro Deutschland Ag Eljárás kémiai átalakításokhoz hidrogénklorid biztosítására
JP7285924B2 (ja) * 2018-12-26 2023-06-02 万華化学集団股▲フン▼有限公司 気相でイソシアネートを調製する方法
CN111961185B (zh) * 2020-08-27 2022-07-12 万华化学集团股份有限公司 一种多亚甲基多苯基多异氰酸酯组合物及其制备方法
CN111995549B (zh) * 2020-09-03 2023-01-13 万华化学集团股份有限公司 制备mdi的方法和光气制备方法
EP4294760A1 (en) * 2021-02-17 2023-12-27 Basf Se Method of separating phosgene and hydrogen chloride
CN116239502B (zh) * 2022-12-14 2024-06-07 上海奕朗化工有限公司 通过1,5-戊二胺合成1,5-戊二异氰酸酯的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234253A (en) * 1962-09-06 1966-02-08 Du Pont Two-stage phosgenation process for preparing aromatic isocyanates
BE711392A (pt) * 1968-02-28 1968-07-01 Gnii Pi Azotnoj
US3631092A (en) * 1969-02-05 1971-12-28 Basf Wyandotte Corp Process for the production of 1 3-cyclohexylene diisocyanates
DE3403204A1 (de) * 1984-01-31 1985-08-14 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen herstellung von organischen mono- und/oder polyisocyanaten
PL180229B1 (pl) * 1994-11-17 2001-01-31 Bayer Ag Ciagly, jednoetapowy sposób wytwarzania organicznych izocyjanianów PL PL PL
DE19817691A1 (de) * 1998-04-21 1999-10-28 Basf Ag Verfahren zur Herstellung von Mischungen aus Diphenylmehandiisocyanaten und Polyphenylen-polymethylen-polyisocyanaten mit vermindertem Gehalt an chlorierten Nebenprodukten und verminderter Jodfarbzahl
JP2004035491A (ja) * 2002-07-04 2004-02-05 Mitsui Takeda Chemicals Inc 芳香族ポリイソシアネートの製造装置および製造方法
DE10250131A1 (de) * 2002-10-28 2004-05-06 Basf Ag Verfahren zur Herstellung von Chlor aus Salzsäure
DE10261187A1 (de) * 2002-12-20 2004-07-08 Basf Ag Verfahren zur Herstellung von Isocyanaten

Also Published As

Publication number Publication date
HUE045895T2 (hu) 2020-01-28
JP4833966B2 (ja) 2011-12-07
PT1753715T (pt) 2019-11-04
JP2008500296A (ja) 2008-01-10
DE102004026095A1 (de) 2005-12-15
KR101213954B1 (ko) 2012-12-18
CN1956948A (zh) 2007-05-02
WO2005115974A1 (de) 2005-12-08
EP1753715B1 (de) 2019-08-07
EP1753715A1 (de) 2007-02-21
ES2753382T3 (es) 2020-04-08
US20070232827A1 (en) 2007-10-04
KR20070029188A (ko) 2007-03-13
BRPI0511449B1 (pt) 2015-06-09

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 09/06/2015, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2412 DE 28-03-2017 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.