BRPI0900468A2 - processo para a preparação de isocianatos - Google Patents

processo para a preparação de isocianatos

Info

Publication number
BRPI0900468A2
BRPI0900468A2 BRPI0900468-8A BRPI0900468A BRPI0900468A2 BR PI0900468 A2 BRPI0900468 A2 BR PI0900468A2 BR PI0900468 A BRPI0900468 A BR PI0900468A BR PI0900468 A2 BRPI0900468 A2 BR PI0900468A2
Authority
BR
Brazil
Prior art keywords
isocyanates
preparation
phosgene
depletion
recycling
Prior art date
Application number
BRPI0900468-8A
Other languages
English (en)
Portuguese (pt)
Inventor
Wolfgang Lorenz
Matthias B Hm
Richard Adamson
Friedhelm Steffens
Anke Hielscher
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 BRPI0900468A2 publication Critical patent/BRPI0900468A2/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/03—Preparation from chlorides
    • C01B7/035—Preparation of hydrogen chloride from chlorides
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BRPI0900468-8A 2008-02-19 2009-02-12 processo para a preparação de isocianatos BRPI0900468A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008009761A DE102008009761A1 (de) 2008-02-19 2008-02-19 Verfahren zur Herstellung von Isocyanaten

Publications (1)

Publication Number Publication Date
BRPI0900468A2 true BRPI0900468A2 (pt) 2009-10-06

Family

ID=40635865

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0900468-8A BRPI0900468A2 (pt) 2008-02-19 2009-02-12 processo para a preparação de isocianatos

Country Status (7)

Country Link
US (1) US7645900B2 (https=)
EP (1) EP2093215B1 (https=)
JP (1) JP5366580B2 (https=)
KR (1) KR101586497B1 (https=)
CN (1) CN101514172B (https=)
BR (1) BRPI0900468A2 (https=)
DE (1) DE102008009761A1 (https=)

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FR2965490B1 (fr) 2010-09-30 2013-01-11 Aet Group Dispositif et procede pour la phosgenation en continu
EP2559659A1 (en) * 2011-08-19 2013-02-20 Huntsman International Llc A process for separating hydrogen chloride gas out of a mixture of hydrogen chloride and phosgene
EP2559658A1 (en) * 2011-08-19 2013-02-20 Huntsman International LLC A process to separate phosgene and hydrogen chloride from a fluid stream comprising phosgene and hydrogen chloride
CN104755458B (zh) * 2012-10-24 2017-06-20 巴斯夫欧洲公司 通过在液相中光气化胺制备异氰酸酯的方法
US9266824B2 (en) 2014-01-13 2016-02-23 Warsaw Orthopedic, Inc. Methods and compositions for making an amino acid triisocyanate
EP2949622B1 (de) * 2014-05-27 2022-03-09 Covestro Intellectual Property GmbH & Co. KG Verfahren zur verarbeitung von chlorwasserstoff aus der isocyanatherstellung
CN104326942B (zh) * 2014-10-10 2016-05-18 青岛科技大学 一种小品种异氰酸酯制备过程中连续脱除光气的方法
CN104326941B (zh) * 2014-11-05 2016-07-13 华玉叶 一种浓缩粗多异氰酸酯的方法
KR102548305B1 (ko) 2015-06-29 2023-06-28 코베스트로 도이칠란트 아게 화학 반응을 위한 염화수소를 제공하는 방법
US10239826B2 (en) 2015-07-16 2019-03-26 Covestro Deutschland Ag Method for producing isocyanates
KR20180058746A (ko) 2015-09-24 2018-06-01 코베스트로 도이칠란트 아게 이소시아네이트의 제조 방법
WO2017055311A1 (de) 2015-09-30 2017-04-06 Covestro Deutschland Ag Verfahren zur herstellung von isocyanaten
EP3506993B1 (de) 2016-09-01 2021-01-06 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von isocyanaten
CN106693869B (zh) * 2016-12-23 2019-08-16 马鞍山科英合成材料有限公司 一种封闭异氰酸酯循环反应釜
CN108246050A (zh) * 2016-12-29 2018-07-06 重庆长风生物科技有限公司 一种气相法制备hdi的冷却装置及方法
HUE053892T2 (hu) * 2017-04-03 2021-07-28 Covestro Intellectual Property Gmbh & Co Kg Tisztító berendezés izocianát elõállításából származó gázáramokhoz
US11365172B2 (en) 2017-07-03 2022-06-21 Covestro Deutschland Ag Production plant for producing a chemical product by reacting H-functional reactants with phosgene, and method for operating same with an interruption to production
EP3735405B1 (de) 2018-01-05 2021-11-24 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von methylen-diphenylen-diisocyanaten und polymethylen-polyphenylen-polyisocyanaten
CN108525337B (zh) * 2018-05-29 2023-07-18 杭州东日节能技术有限公司 一种稀盐酸真空浓缩塔及其使用方法
US10626084B2 (en) 2018-08-03 2020-04-21 Covestro Llc Method for producing two isocyanates
CN114787125A (zh) 2019-12-18 2022-07-22 科思创德国股份有限公司 用于制备二苯基甲烷系列的二-和多异氰酸酯的方法
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
US20240300817A1 (en) * 2021-02-17 2024-09-12 Basf Se Method of separating phosgene and hydrogen chloride
CN113332835B (zh) * 2021-06-29 2024-08-23 中国海洋石油集团有限公司 一种回收低压光气的装置及方法
CN114149345B (zh) * 2021-12-09 2023-04-21 万华化学集团股份有限公司 一种制备异氰酸酯的方法
EP4476198A1 (de) 2022-02-10 2024-12-18 Covestro Deutschland AG Verfahren zur herstellung von isocyanaten
EP4227292A1 (de) 2022-02-10 2023-08-16 Covestro Deutschland AG Verfahren zur herstellung von isocyanaten
EP4227291A1 (de) 2022-02-10 2023-08-16 Covestro Deutschland AG Verfahren zur herstellung von isocyanaten
CN114920668B (zh) * 2022-05-13 2023-10-13 万华化学集团股份有限公司 一种制备低氯代杂质异氰酸酯的方法
CN115155467B (zh) * 2022-08-09 2023-10-10 宁夏瑞泰科技股份有限公司 采用液相光气化合成六亚甲基二异氰酸酯的系统及方法
CN115181006A (zh) * 2022-08-19 2022-10-14 浙江佳境环保科技有限公司 一种氯苯废液的回收方法及其制备得到的氯苯
CN118026893A (zh) * 2022-11-11 2024-05-14 万华化学（宁波）有限公司 一种低单苯环类杂质含量的粗异氰酸酯的生产工艺
WO2025065554A1 (zh) * 2023-09-28 2025-04-03 万华化学集团股份有限公司 低卤代脂肪环烃物质含量聚合mdi及其制备方法和应用

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US3226410A (en) 1962-07-20 1965-12-28 Fmc Corp Continuous method of preparing aromatic isocyanates
US3381025A (en) 1964-06-29 1968-04-30 Hodogaya Chemical Co Ltd Process for preparing isocyanates
DE1233854B (de) 1965-03-03 1967-02-09 Bayer Ag Verfahren zum Herstellen von Isocyanaten
FR1469105A (fr) 1965-12-27 1967-02-10 Toulousaine De Prod Chim Toloc Procédé de fabrication d'esters isocyaniques
US3812025A (en) 1967-10-04 1974-05-21 J Guillet Crosslinking or olefin copolymers containing ketone groups using high energy radiation
US4422976A (en) 1981-04-07 1983-12-27 Mitsui Toatsu Chemicals, Incorporated Continuous preparation of organic isocyanates
DE3327274A1 (de) 1983-07-28 1985-02-07 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von phosgen unter gleichzeitiger erzeugung von dampf
DE3717058A1 (de) 1987-05-21 1988-12-08 Bayer Ag Mischer zum vermischen mindestens zweier fliessfaehiger stoffe, insbesondere unter durchfuehrung bzw. einleitung einer reaktion waehrend der vermischung
SU1811161A1 (ru) 1990-06-12 1995-05-20 Государственный научно-исследовательский и проектный институт карбамида и продуктов органического синтеза с опытным заводом Способ получения органических изоцианатов
DE4217019A1 (de) 1992-05-22 1993-11-25 Bayer Ag Verfahren zur Herstellung von aromatischen Diisocyanaten
US6010612A (en) 1993-11-22 2000-01-04 E.I. Du Pont De Nemours And Company Production of isocyanate using chlorine recycle
US5925783A (en) 1994-11-17 1999-07-20 Bayer Aktiengesellschaft Process for the preparation of isocyanates
IN190134B (https=) 1995-12-28 2003-06-21 Du Pont
JP3806459B2 (ja) 1996-01-29 2006-08-09 三井化学ポリウレタン株式会社 アルコキシシリル基含有イソシアネート化合物の製造方法
DE19638567A1 (de) 1996-09-20 1998-03-26 Bayer Ag Mischer-Reaktor und Verfahren zur Durchführung von Reaktionen, insbesondere die Phosgenierung von primären Aminen
EP1020435A4 (en) 1997-01-16 2000-12-13 Nippon Kasei Chemical Company ALIPHATIC TRIISOCYANATE COMPOUNDS, METHOD FOR THE PRODUCTION THEREOF AND POLYURETHANRESINE PRODUCED FROM THESE COMPOUNDS
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
US6149782A (en) 1999-05-27 2000-11-21 De Nora S.P.A Rhodium electrocatalyst and method of preparation
US6402930B1 (en) 1999-05-27 2002-06-11 De Nora Elettrodi S.P.A. Process for the electrolysis of technical-grade hydrochloric acid contaminated with organic substances using oxygen-consuming cathodes
SV2003000617A (es) 2000-08-31 2003-01-13 Lilly Co Eli Inhibidores de la proteasa peptidomimetica ref. x-14912m
IN237581B (https=) 2002-02-27 2010-01-01 Basf Ag
US6719957B2 (en) 2002-04-17 2004-04-13 Bayer Corporation Process for purification of anhydrous hydrogen chloride gas
DE10235476A1 (de) 2002-08-02 2004-02-12 Basf Ag Integriertes Verfahren zur Herstellung von Isocyanaten
DE10245704A1 (de) 2002-09-30 2004-04-01 Bayer Ag Verfahren zum Quenchen eines gasförmigen Reaktionsgemisches bei der Gasphasenphosgenierung von Diaminen
DE10260027A1 (de) * 2002-12-19 2004-07-08 Basf Ag Verfahren zur Abtrennung und Reinigung von Lösungsmittel von einem Reaktionsgemisch aus einer Isocyanatsynthese
DE10260084A1 (de) * 2002-12-19 2004-07-01 Basf Ag Auftrennung eines Stoffgemisches aus Clorwasserstoff und Phosgen
DE10334350B3 (de) * 2003-07-25 2005-02-03 Bundesrepublik Deutschland, vertr. d. d. Bundesministerium für Wirtschaft und Arbeit, dieses vertr. d. d. Präsidenten der Physikalisch-Technischen Bundesanstalt Verfahren zur Bestimung der Brechzahl bei interferometrischen Längenmessungen und Interferometeranordnung hierfür
DE102004044592A1 (de) 2004-09-13 2006-03-30 Basf Ag Verfahren zur Trennung von Chlorwasserstoff und Phosgen
US7504533B2 (en) 2006-04-24 2009-03-17 Bayer Materialscience Llc Process for the production of isocyanates
DE102006022448A1 (de) 2006-05-13 2007-11-15 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten

Also Published As

Publication number Publication date
KR20090089812A (ko) 2009-08-24
US20090209784A1 (en) 2009-08-20
JP2009196991A (ja) 2009-09-03
CN101514172B (zh) 2014-12-17
DE102008009761A1 (de) 2009-08-27
EP2093215B1 (de) 2015-04-22
JP5366580B2 (ja) 2013-12-11
CN101514172A (zh) 2009-08-26
EP2093215A1 (de) 2009-08-26
KR101586497B1 (ko) 2016-01-18
US7645900B2 (en) 2010-01-12

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2308 DE 31/03/2015.