JP6804512B2 - イソシアネートの製造方法 - Google Patents

イソシアネートの製造方法 Download PDF

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Publication number
JP6804512B2
JP6804512B2 JP2018501949A JP2018501949A JP6804512B2 JP 6804512 B2 JP6804512 B2 JP 6804512B2 JP 2018501949 A JP2018501949 A JP 2018501949A JP 2018501949 A JP2018501949 A JP 2018501949A JP 6804512 B2 JP6804512 B2 JP 6804512B2
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JP
Japan
Prior art keywords
phosgene
stream
distillation column
phase
iii
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
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JP2018501949A
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English (en)
Japanese (ja)
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JP2018520186A5 (enExample
JP2018520186A (ja
Inventor
フリートヘルム、シュテフェンス
バスティアン、マール
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
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Covestro Deutschland AG
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Publication of JP2018520186A publication Critical patent/JP2018520186A/ja
Publication of JP2018520186A5 publication Critical patent/JP2018520186A5/ja
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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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP2018501949A 2015-07-16 2016-07-12 イソシアネートの製造方法 Active JP6804512B2 (ja)

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 (3)

Publication Number Publication Date
JP2018520186A JP2018520186A (ja) 2018-07-26
JP2018520186A5 JP2018520186A5 (enExample) 2019-08-22
JP6804512B2 true JP6804512B2 (ja) 2020-12-23

Family

ID=53682542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018501949A Active JP6804512B2 (ja) 2015-07-16 2016-07-12 イソシアネートの製造方法

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

Family Cites Families (18)

* 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
DE10027779A1 (de) * 2000-06-07 2001-12-13 Basf Ag Verfahren zur Herstellung von Isocyanaten
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
DE10260084A1 (de) 2002-12-19 2004-07-01 Basf Ag Auftrennung eines Stoffgemisches aus Clorwasserstoff und Phosgen
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
DE102008009761A1 (de) * 2008-02-19 2009-08-27 Bayer Materialscience Ag 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

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
CN107848960B (zh) 2020-09-22
US20180194720A1 (en) 2018-07-12
KR20180030035A (ko) 2018-03-21
US10239826B2 (en) 2019-03-26
HUE047039T2 (hu) 2020-04-28
JP2018520186A (ja) 2018-07-26

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