ES2552837T3 - Método para la producción de isocianatos mediante escisión térmica de carbamatos - Google Patents
Método para la producción de isocianatos mediante escisión térmica de carbamatos Download PDFInfo
- Publication number
- ES2552837T3 ES2552837T3 ES11700347.5T ES11700347T ES2552837T3 ES 2552837 T3 ES2552837 T3 ES 2552837T3 ES 11700347 T ES11700347 T ES 11700347T ES 2552837 T3 ES2552837 T3 ES 2552837T3
- Authority
- ES
- Spain
- Prior art keywords
- section
- boiling point
- isocyanate
- carbamates
- isocyanates
- 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
Links
- 239000012948 isocyanate Substances 0.000 title abstract 5
- 150000002513 isocyanates Chemical class 0.000 title abstract 5
- 150000004657 carbamic acid derivatives Chemical class 0.000 title abstract 2
- 238000003776 cleavage reaction Methods 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 230000007017 scission Effects 0.000 title abstract 2
- 238000000926 separation method Methods 0.000 abstract 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 3
- 238000009835 boiling Methods 0.000 abstract 3
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 abstract 2
- 238000005878 carbamate elimination reaction Methods 0.000 abstract 2
- 239000012442 inert solvent Substances 0.000 abstract 2
- 238000004821 distillation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10151089 | 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 (1)
| Publication Number | Publication Date |
|---|---|
| ES2552837T3 true ES2552837T3 (es) | 2015-12-02 |
Family
ID=43769079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES11700347.5T Active ES2552837T3 (es) | 2010-01-19 | 2011-01-18 | Método para la producción de isocianatos mediante escisión térmica de carbamatos |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP2526085B1 (https=) |
| JP (1) | JP5823982B2 (https=) |
| KR (1) | KR20120120945A (https=) |
| CN (1) | CN102712580B (https=) |
| BR (1) | BR112012017877A2 (https=) |
| ES (1) | ES2552837T3 (https=) |
| HU (1) | HUE028076T2 (https=) |
| PL (1) | PL2526085T3 (https=) |
| PT (1) | PT2526085E (https=) |
| WO (1) | WO2011089098A1 (https=) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2714602T3 (es) * | 2010-10-04 | 2019-05-29 | Asahi Chemical Ind | Método de separación y método para producir 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 |
| AU2015255723B2 (en) | 2014-05-09 | 2019-09-19 | Solventum Intellectual Properties Company | Dressing with contracting layer for linear tissue sites |
| AU2015255726B2 (en) | 2014-05-09 | 2020-03-05 | Solventum Intellectual Properties Company | Disruptive dressing for use with negative pressure and fluid instillation |
| US10898217B2 (en) | 2014-05-09 | 2021-01-26 | Kci Licensing, Inc. | Dressing providing apertures with multiple orifice sizes for negative-pressure therapy |
| CA2947298C (en) | 2014-05-09 | 2023-06-06 | Kci Licensing, Inc. | Debriding dressing for use with negative pressure and fluid instillation |
| WO2016120167A1 (de) | 2015-01-30 | 2016-08-04 | Basf Se | Nebenproduktarme polyphenylenpolymethylenpolyisocyanate |
| US10968168B2 (en) | 2017-05-15 | 2021-04-06 | Asahi Kasei Kabushiki Kaisha | Isocyanate production method |
| EP3450424A1 (de) * | 2017-09-04 | 2019-03-06 | Covestro Deutschland AG | Verfahren zur herstellung von isocyanaten |
| US12447054B2 (en) | 2018-11-08 | 2025-10-21 | Solventum Intellectual Properties Company | Wound dressing with semi-rigid support to increase disruption using perforated dressing and negative pressure wound therapy |
| US12409072B2 (en) | 2019-12-05 | 2025-09-09 | Kci Manufacturing Unlimited Company | Multi-layer negative pressure incisional wound therapy dressing |
Family Cites Families (10)
| 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 |
| DE59705128D1 (de) * | 1996-03-15 | 2001-12-06 | Bayer Ag | Verfahren zur thermischen Spaltung von Carbamidsäureestern |
| 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 |
| US8921598B2 (en) | 2008-03-18 | 2014-12-30 | Basf Se | Method for producing urethanes composed of mono and di-functional aromatic amines |
-
2011
- 2011-01-18 HU HUE11700347A patent/HUE028076T2/en unknown
- 2011-01-18 CN CN201180006310.9A patent/CN102712580B/zh not_active Expired - Fee Related
- 2011-01-18 PT PT117003475T patent/PT2526085E/pt unknown
- 2011-01-18 WO PCT/EP2011/050557 patent/WO2011089098A1/de not_active Ceased
- 2011-01-18 BR BR112012017877A patent/BR112012017877A2/pt not_active IP Right Cessation
- 2011-01-18 EP EP11700347.5A patent/EP2526085B1/de not_active Not-in-force
- 2011-01-18 JP JP2012549324A patent/JP5823982B2/ja not_active Expired - Fee Related
- 2011-01-18 KR KR1020127021646A patent/KR20120120945A/ko not_active Withdrawn
- 2011-01-18 PL PL11700347T patent/PL2526085T3/pl unknown
- 2011-01-18 ES ES11700347.5T patent/ES2552837T3/es active Active
Also Published As
| Publication number | Publication date |
|---|---|
| PT2526085E (pt) | 2015-11-24 |
| EP2526085A1 (de) | 2012-11-28 |
| JP5823982B2 (ja) | 2015-11-25 |
| CN102712580B (zh) | 2014-11-26 |
| BR112012017877A2 (pt) | 2016-05-03 |
| EP2526085B1 (de) | 2015-08-12 |
| CN102712580A (zh) | 2012-10-03 |
| HUE028076T2 (en) | 2016-11-28 |
| KR20120120945A (ko) | 2012-11-02 |
| WO2011089098A1 (de) | 2011-07-28 |
| JP2013517312A (ja) | 2013-05-16 |
| PL2526085T3 (pl) | 2016-01-29 |
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