JP2018520186A5 - - Google Patents
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- Publication number
- JP2018520186A5 JP2018520186A5 JP2018501949A JP2018501949A JP2018520186A5 JP 2018520186 A5 JP2018520186 A5 JP 2018520186A5 JP 2018501949 A JP2018501949 A JP 2018501949A JP 2018501949 A JP2018501949 A JP 2018501949A JP 2018520186 A5 JP2018520186 A5 JP 2018520186A5
- Authority
- JP
- Japan
- Prior art keywords
- phosgene
- stream
- distillation column
- phase
- steam
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims 28
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims 15
- 238000004821 distillation Methods 0.000 claims 12
- 239000000203 mixture Substances 0.000 claims 7
- 238000010626 work up procedure Methods 0.000 claims 6
- 238000006243 chemical reaction Methods 0.000 claims 5
- 239000012948 isocyanate Substances 0.000 claims 5
- 150000002513 isocyanates Chemical class 0.000 claims 5
- 239000007788 liquid Substances 0.000 claims 5
- 239000002904 solvent Substances 0.000 claims 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims 3
- 239000007789 gas Substances 0.000 claims 2
- 125000002924 primary amino group Chemical class [H]N([H])* 0.000 claims 2
- CKDWPUIZGOQOOM-UHFFFAOYSA-N Carbamyl chloride Chemical compound NC(Cl)=O CKDWPUIZGOQOOM-UHFFFAOYSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000009835 boiling Methods 0.000 claims 1
- 238000010924 continuous production Methods 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
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 true JP2018520186A5 (enExample) | 2019-08-22 |
| JP6804512B2 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)
| 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)
| 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 |
-
2016
- 2016-07-12 JP JP2018501949A patent/JP6804512B2/ja active Active
- 2016-07-12 HU HUE16736892A patent/HUE047039T2/hu unknown
- 2016-07-12 KR KR1020187000939A patent/KR20180030035A/ko not_active Withdrawn
- 2016-07-12 WO PCT/EP2016/066474 patent/WO2017009311A1/de not_active Ceased
- 2016-07-12 EP EP16736892.7A patent/EP3322692B1/de active Active
- 2016-07-12 US US15/744,239 patent/US10239826B2/en active Active
- 2016-07-12 CN CN201680041927.7A patent/CN107848960B/zh active Active
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