PT2526085E - Processo para a produção de isocianatos por dissociação térmica de carbamatos - Google Patents

Processo para a produção de isocianatos por dissociação térmica de carbamatos Download PDF

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Publication number
PT2526085E
PT2526085E PT117003475T PT11700347T PT2526085E PT 2526085 E PT2526085 E PT 2526085E PT 117003475 T PT117003475 T PT 117003475T PT 11700347 T PT11700347 T PT 11700347T PT 2526085 E PT2526085 E PT 2526085E
Authority
PT
Portugal
Prior art keywords
carbamates
thermally splitting
producing isocyanates
isocyanates
producing
Prior art date
Application number
PT117003475T
Other languages
English (en)
Inventor
Eckhard Stroefer
Michael Bock
Robert Baumann
Bock Michael
Original Assignee
Basf Se
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 Se filed Critical Basf Se
Publication of PT2526085E publication Critical patent/PT2526085E/pt

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides
    • 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
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
PT117003475T 2010-01-19 2011-01-18 Processo para a produção de isocianatos por dissociação térmica de carbamatos PT2526085E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10151089 2010-01-19

Publications (1)

Publication Number Publication Date
PT2526085E true PT2526085E (pt) 2015-11-24

Family

ID=43769079

Family Applications (1)

Application Number Title Priority Date Filing Date
PT117003475T PT2526085E (pt) 2010-01-19 2011-01-18 Processo para a produção de isocianatos por dissociação térmica de carbamatos

Country Status (10)

Country Link
EP (1) EP2526085B1 (pt)
JP (1) JP5823982B2 (pt)
KR (1) KR20120120945A (pt)
CN (1) CN102712580B (pt)
BR (1) BR112012017877A2 (pt)
ES (1) ES2552837T3 (pt)
HU (1) HUE028076T2 (pt)
PL (1) PL2526085T3 (pt)
PT (1) PT2526085E (pt)
WO (1) WO2011089098A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2626345B1 (en) * 2010-10-04 2019-01-16 Asahi Kasei Kabushiki Kaisha Separation method and method for producing isocyanate
US8933262B2 (en) 2011-05-24 2015-01-13 Basf Se Process for preparing polyisocyanates from biomass
CN103848758A (zh) * 2012-12-06 2014-06-11 中国科学院成都有机化学有限公司 一种催化热分解制备异氰酸酯的方法
CN107207422B (zh) * 2015-01-30 2020-12-11 巴斯夫欧洲公司 低副产物的多亚苯基多亚甲基多异氰酸酯
TW201900605A (zh) * 2017-05-15 2019-01-01 日商旭化成股份有限公司 異氰酸酯的製造方法
EP3450424A1 (de) * 2017-09-04 2019-03-06 Covestro Deutschland AG Verfahren zur herstellung von isocyanaten

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3215591A1 (de) * 1982-04-27 1983-10-27 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern
JPS60231640A (ja) * 1984-05-02 1985-11-18 Asahi Chem Ind Co Ltd イソシアナ−トの連続的製法
JPH02250857A (ja) * 1989-03-23 1990-10-08 Sumitomo Metal Ind Ltd ポリイソシアネートの製造方法
US5326903A (en) 1992-01-10 1994-07-05 Nippon Shokubai Co., Ltd. Process for preparing isocyanates using sintered oxides
JPH05194351A (ja) * 1992-01-22 1993-08-03 Nkk Corp イソシアネート化合物の連続的製造装置及び方法
ES2166922T3 (es) 1996-03-15 2002-05-01 Bayer Ag Uso de disolventes o mezclas de disolventes de alto punto de ebullicion como medio intercambiador de calor para la disociacion termica de esteres de acidos carbamicos.
DE19907648A1 (de) 1999-02-23 2000-08-24 Basf Ag Verfahren zur Herstellung von Isocyanaten durch Spaltung von Urethanen
DE10329491A1 (de) 2003-07-01 2005-01-27 Basf Ag Reaktor für gas/flüssig oder gas/flüssig/fest Reaktionen
CN101200436A (zh) * 2006-12-31 2008-06-18 中国科学院成都有机化学有限公司 连续制备1,6-六亚甲基二异氰酸酯的方法
CN101977891B (zh) 2008-03-18 2014-06-25 巴斯夫欧洲公司 制备包含单官能和双官能芳族胺的氨基甲酸酯的方法

Also Published As

Publication number Publication date
HUE028076T2 (en) 2016-11-28
JP2013517312A (ja) 2013-05-16
EP2526085A1 (de) 2012-11-28
CN102712580A (zh) 2012-10-03
WO2011089098A1 (de) 2011-07-28
ES2552837T3 (es) 2015-12-02
KR20120120945A (ko) 2012-11-02
CN102712580B (zh) 2014-11-26
BR112012017877A2 (pt) 2016-05-03
EP2526085B1 (de) 2015-08-12
JP5823982B2 (ja) 2015-11-25
PL2526085T3 (pl) 2016-01-29

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