CN102712580B - 通过热解氨基甲酸酯生产异氰酸酯的方法 - Google Patents

通过热解氨基甲酸酯生产异氰酸酯的方法 Download PDF

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Publication number
CN102712580B
CN102712580B CN201180006310.9A CN201180006310A CN102712580B CN 102712580 B CN102712580 B CN 102712580B CN 201180006310 A CN201180006310 A CN 201180006310A CN 102712580 B CN102712580 B CN 102712580B
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China
Prior art keywords
carbamate
column
alcohol
splitting
stream
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Expired - Fee Related
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CN201180006310.9A
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English (en)
Chinese (zh)
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CN102712580A (zh
Inventor
M·博克
A·弗兰茨克
R·鲍曼
E·施特勒费尔
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BASF SE
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BASF SE
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/04Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14Fractional distillation or use of a fractionation or rectification column
    • B01D3/143Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CN201180006310.9A 2010-01-19 2011-01-18 通过热解氨基甲酸酯生产异氰酸酯的方法 Expired - Fee Related CN102712580B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10151089.9 2010-01-19
EP10151089 2010-01-19
PCT/EP2011/050557 WO2011089098A1 (de) 2010-01-19 2011-01-18 Verfahren zur herstellung von isocyanaten durch thermische spaltung von carbamaten

Publications (2)

Publication Number Publication Date
CN102712580A CN102712580A (zh) 2012-10-03
CN102712580B true CN102712580B (zh) 2014-11-26

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CN201180006310.9A Expired - Fee Related CN102712580B (zh) 2010-01-19 2011-01-18 通过热解氨基甲酸酯生产异氰酸酯的方法

Country Status (10)

Country Link
EP (1) EP2526085B1 (cg-RX-API-DMAC7.html)
JP (1) JP5823982B2 (cg-RX-API-DMAC7.html)
KR (1) KR20120120945A (cg-RX-API-DMAC7.html)
CN (1) CN102712580B (cg-RX-API-DMAC7.html)
BR (1) BR112012017877A2 (cg-RX-API-DMAC7.html)
ES (1) ES2552837T3 (cg-RX-API-DMAC7.html)
HU (1) HUE028076T2 (cg-RX-API-DMAC7.html)
PL (1) PL2526085T3 (cg-RX-API-DMAC7.html)
PT (1) PT2526085E (cg-RX-API-DMAC7.html)
WO (1) WO2011089098A1 (cg-RX-API-DMAC7.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112013002616B1 (pt) * 2010-10-04 2018-11-27 Asahi Kasei Chemicals Corporation métodos para separar, com uma coluna de destilação de múltiplos estágios, uma mistura contendo um composto contendo hidrogênio ativo (a) e um composto (b), e, para produzir um isocianato
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
US10898217B2 (en) 2014-05-09 2021-01-26 Kci Licensing, Inc. Dressing providing apertures with multiple orifice sizes for negative-pressure therapy
JP6749248B2 (ja) 2014-05-09 2020-09-02 ケーシーアイ ライセンシング インコーポレイテッド 線形組織部位用の収縮層を備えたドレッシング
CN106413594B (zh) 2014-05-09 2020-07-31 凯希特许有限公司 用于与负压和流体滴注一起使用的破坏性敷件
EP3263078B1 (en) 2014-05-09 2019-05-08 KCI Licensing, Inc. Debriding dressing for use with negative pressure and fluid instillation
US10501406B2 (en) 2015-01-30 2019-12-10 Basf Se Low by-product content polyphenylene polymethylene polyisocyanates
EP3626705B1 (en) * 2017-05-15 2021-03-24 Asahi Kasei Kabushiki Kaisha Isocyanate production method
EP3450424A1 (de) * 2017-09-04 2019-03-06 Covestro Deutschland AG Verfahren zur herstellung von isocyanaten
EP3876885B1 (en) 2018-11-08 2023-11-29 3M Innovative Properties Company Wound dressing with semi-rigid support to increase disruption using perforated dressing and negative pressure wound therapy
EP4069171A1 (en) 2019-12-05 2022-10-12 KCI Licensing, Inc. Multi-layer negative pressure incisional wound therapy dressing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0092738A1 (de) * 1982-04-27 1983-11-02 Bayer Ag Verfahren zur kontinuierlichen thermischen Spaltung von Carbamidsäureestern
US5731458A (en) * 1996-03-15 1998-03-24 Bayer Aktiengesellschaft Process for thermally cracking carbamic acid esters
CN1597083A (zh) * 2003-07-01 2005-03-23 巴斯福股份公司 用于气/液或气/液/固反应的反应器
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

Family Cites Families (6)

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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
DE19907648A1 (de) 1999-02-23 2000-08-24 Basf Ag Verfahren zur Herstellung von Isocyanaten durch Spaltung von Urethanen
BRPI0909280A2 (pt) 2008-03-18 2015-10-06 Basf Se processo para preparar uretanos.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0092738A1 (de) * 1982-04-27 1983-11-02 Bayer Ag Verfahren zur kontinuierlichen thermischen Spaltung von Carbamidsäureestern
US4692550A (en) * 1982-04-27 1987-09-08 Bayer Aktiengesellschaft Continuous process for thermal splitting of carbamic acid esters
US5731458A (en) * 1996-03-15 1998-03-24 Bayer Aktiengesellschaft Process for thermally cracking carbamic acid esters
CN1597083A (zh) * 2003-07-01 2005-03-23 巴斯福股份公司 用于气/液或气/液/固反应的反应器
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP平2-250857A 1990.10.08 *

Also Published As

Publication number Publication date
CN102712580A (zh) 2012-10-03
WO2011089098A1 (de) 2011-07-28
BR112012017877A2 (pt) 2016-05-03
KR20120120945A (ko) 2012-11-02
EP2526085A1 (de) 2012-11-28
HUE028076T2 (en) 2016-11-28
JP5823982B2 (ja) 2015-11-25
EP2526085B1 (de) 2015-08-12
JP2013517312A (ja) 2013-05-16
PT2526085E (pt) 2015-11-24
PL2526085T3 (pl) 2016-01-29
ES2552837T3 (es) 2015-12-02

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Termination date: 20170118