CN107848960B - 用于制备异氰酸酯的方法 - Google Patents

用于制备异氰酸酯的方法 Download PDF

Info

Publication number
CN107848960B
CN107848960B CN201680041927.7A CN201680041927A CN107848960B CN 107848960 B CN107848960 B CN 107848960B CN 201680041927 A CN201680041927 A CN 201680041927A CN 107848960 B CN107848960 B CN 107848960B
Authority
CN
China
Prior art keywords
phosgene
stream
distillation column
vapor
phase
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201680041927.7A
Other languages
English (en)
Chinese (zh)
Other versions
CN107848960A (zh
Inventor
F.斯蒂芬斯
B.马尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covestro Deutschland AG
Original Assignee
Covestro Deutschland 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 Covestro Deutschland AG filed Critical Covestro Deutschland AG
Publication of CN107848960A publication Critical patent/CN107848960A/zh
Application granted granted Critical
Publication of CN107848960B publication Critical patent/CN107848960B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • 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
    • B01D3/42—Regulation; Control
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00027—Process aspects
    • B01J2219/00033—Continuous processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CN201680041927.7A 2015-07-16 2016-07-12 用于制备异氰酸酯的方法 Active CN107848960B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15176964 2015-07-16
EP15176964.3 2015-07-16
PCT/EP2016/066474 WO2017009311A1 (de) 2015-07-16 2016-07-12 Verfahren zur herstellung von isocyanaten

Publications (2)

Publication Number Publication Date
CN107848960A CN107848960A (zh) 2018-03-27
CN107848960B true CN107848960B (zh) 2020-09-22

Family

ID=53682542

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680041927.7A Active CN107848960B (zh) 2015-07-16 2016-07-12 用于制备异氰酸酯的方法

Country Status (7)

Country Link
US (1) US10239826B2 (enExample)
EP (1) EP3322692B1 (enExample)
JP (1) JP6804512B2 (enExample)
KR (1) KR20180030035A (enExample)
CN (1) CN107848960B (enExample)
HU (1) HUE047039T2 (enExample)
WO (1) WO2017009311A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3524591A1 (en) 2018-02-13 2019-08-14 Covestro Deutschland AG Process for the preparation of isocyanates
US10626084B2 (en) 2018-08-03 2020-04-21 Covestro Llc Method for producing two isocyanates
KR102839458B1 (ko) * 2020-12-30 2025-07-25 한화솔루션 주식회사 이소시아네이트 화합물의 제조 방법
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10027779A1 (de) * 2000-06-07 2001-12-13 Basf Ag Verfahren zur Herstellung von Isocyanaten
DE10260084A1 (de) * 2002-12-19 2004-07-01 Basf Ag Auftrennung eines Stoffgemisches aus Clorwasserstoff und Phosgen
EP2093215A1 (de) * 2008-02-19 2009-08-26 Bayer MaterialScience AG Verfahren zur Herstellung von Isocyanaten

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764607A (en) 1952-07-26 1956-09-25 Celanese Corp Recovery of phosgene in the production of chloroformates
GB737442A (en) 1952-12-19 1955-09-28 Bayer Ag Recovery of phosgene
FR1469105A (fr) 1965-12-27 1967-02-10 Toulousaine De Prod Chim Toloc Procédé de fabrication d'esters isocyaniques
DE4217019A1 (de) 1992-05-22 1993-11-25 Bayer Ag Verfahren zur Herstellung von aromatischen Diisocyanaten
DE19523385A1 (de) 1995-06-23 1997-01-09 Bayer Ag Verfahren zur Herstellung von Triisocyanaten
DE10222968A1 (de) * 2002-05-23 2003-12-04 Basf Ag Verfahren zur Herstellung von Isocyanaten
EP1371633A1 (en) 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
DE10245704A1 (de) 2002-09-30 2004-04-01 Bayer Ag Verfahren zum Quenchen eines gasförmigen Reaktionsgemisches bei der Gasphasenphosgenierung von Diaminen
DE102005036870A1 (de) 2005-08-02 2007-02-08 Bayer Materialscience Ag Verfahren zur Gasphasenphosgenierung
DE102005037328A1 (de) 2005-08-04 2007-02-08 Basf Ag Verfahren zur Herstellung von Isocyanaten
CN102850239B (zh) 2007-01-17 2014-07-02 巴斯夫欧洲公司 制备异氰酸酯的方法
WO2009037179A1 (de) 2007-09-19 2009-03-26 Basf Se Verfahren zur herstellung von isocyanaten
DE102008061686A1 (de) 2008-12-11 2010-06-17 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
KR101869117B1 (ko) * 2010-10-14 2018-06-19 바스프 에스이 이소시아네이트를 제조하는 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10027779A1 (de) * 2000-06-07 2001-12-13 Basf Ag Verfahren zur Herstellung von Isocyanaten
DE10260084A1 (de) * 2002-12-19 2004-07-01 Basf Ag Auftrennung eines Stoffgemisches aus Clorwasserstoff und Phosgen
EP2093215A1 (de) * 2008-02-19 2009-08-26 Bayer MaterialScience AG Verfahren zur Herstellung von Isocyanaten

Also Published As

Publication number Publication date
CN107848960A (zh) 2018-03-27
WO2017009311A1 (de) 2017-01-19
EP3322692B1 (de) 2019-07-03
EP3322692A1 (de) 2018-05-23
US20180194720A1 (en) 2018-07-12
KR20180030035A (ko) 2018-03-21
US10239826B2 (en) 2019-03-26
HUE047039T2 (hu) 2020-04-28
JP6804512B2 (ja) 2020-12-23
JP2018520186A (ja) 2018-07-26

Similar Documents

Publication Publication Date Title
CN102498093B (zh) 制备异氰酸酯的方法
CN110891932B (zh) 在气相中制备异氰酸酯的方法
CN106458863B (zh) 运行气相光气化装置的方法
CN111630027B (zh) 制备异氰酸酯的方法
US9932299B2 (en) Process for separating an isocyanate prepared by phosgenation of a primary amine in the gas phase from the gaseous crude product of the phosgenation
CN107848960B (zh) 用于制备异氰酸酯的方法
CN108137488B (zh) 制备异氰酸酯的方法
US10626084B2 (en) Method for producing two isocyanates
US10858311B2 (en) Method for producing isocyanates
CN106458864B (zh) 运行气相光气化装置的方法
CN103025709B (zh) 用于在气相中制备异氰酸酯的方法
CN118679143A (zh) 生产异氰酸酯的方法
CN118679144A (zh) 生产异氰酸酯的方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant