PL393214A1 - Sposób wydzielania toluilenodiizocyjanianu z mieszaniny poreakcyjnej w procesie fosgenowania toluilenodiaminy w fazie gazowej - Google Patents
Sposób wydzielania toluilenodiizocyjanianu z mieszaniny poreakcyjnej w procesie fosgenowania toluilenodiaminy w fazie gazowejInfo
- Publication number
- PL393214A1 PL393214A1 PL393214A PL39321410A PL393214A1 PL 393214 A1 PL393214 A1 PL 393214A1 PL 393214 A PL393214 A PL 393214A PL 39321410 A PL39321410 A PL 39321410A PL 393214 A1 PL393214 A1 PL 393214A1
- Authority
- PL
- Poland
- Prior art keywords
- tdi
- gas phase
- reaction mixture
- toluilenodiizocyanate
- toluilenodiamine
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- 239000012451 post-reaction mixture Substances 0.000 title abstract 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 abstract 5
- 239000007795 chemical reaction product Substances 0.000 abstract 2
- 230000005494 condensation Effects 0.000 abstract 2
- 238000009833 condensation Methods 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL393214A PL214499B1 (pl) | 2010-12-10 | 2010-12-10 | Sposób wydzielania toluilenodiizocyjanianu z mieszaniny poreakcyjnej w procesie fosgenowania toluilenodiaminy w fazie gazowej |
| EP20110460062 EP2463273A1 (en) | 2010-12-10 | 2011-12-09 | Method for separating toluene diisocyanate from the post-reaction mixture in the toluene diamine phosgenation process in the gas phase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL393214A PL214499B1 (pl) | 2010-12-10 | 2010-12-10 | Sposób wydzielania toluilenodiizocyjanianu z mieszaniny poreakcyjnej w procesie fosgenowania toluilenodiaminy w fazie gazowej |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL393214A1 true PL393214A1 (pl) | 2012-06-18 |
| PL214499B1 PL214499B1 (pl) | 2013-08-30 |
Family
ID=45443016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL393214A PL214499B1 (pl) | 2010-12-10 | 2010-12-10 | Sposób wydzielania toluilenodiizocyjanianu z mieszaniny poreakcyjnej w procesie fosgenowania toluilenodiaminy w fazie gazowej |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2463273A1 (pl) |
| PL (1) | PL214499B1 (pl) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014122180A1 (de) | 2013-02-08 | 2014-08-14 | Bayer Materialscience Ag | Verfahren zur abtrennung eines durch phosgenierung eines primären amins in der gasphase hergestellten isocyanats aus dem gasförmigen rohprodukt der phosgenierung |
| CN110914236B (zh) | 2017-06-08 | 2023-01-31 | 科思创德国股份有限公司 | 制备异氰酸酯的方法 |
| EP3634947B1 (de) | 2017-06-08 | 2022-09-07 | Covestro Intellectual Property GmbH & Co. KG | Verfahren zur herstellung von isocyanaten in der gasphase |
| CN115490829B (zh) * | 2021-06-17 | 2025-04-01 | 万华化学集团股份有限公司 | 一种异氰酸酯组合物及其制备方法、一种光学材料 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10238995A1 (de) | 2002-08-20 | 2004-02-26 | Basf Ag | Gasphasenphosgenierung bei moderaten Drücken |
| DE102004030164A1 (de) * | 2004-06-22 | 2006-01-19 | Basf Ag | Verfahren zur Herstellung von Isocyanaten |
| DE102006058633A1 (de) | 2006-12-13 | 2008-06-19 | Bayer Materialscience Ag | Verfahren zur Herstellung von Isocyanaten in der Gasphase |
-
2010
- 2010-12-10 PL PL393214A patent/PL214499B1/pl not_active IP Right Cessation
-
2011
- 2011-12-09 EP EP20110460062 patent/EP2463273A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP2463273A1 (en) | 2012-06-13 |
| PL214499B1 (pl) | 2013-08-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Decisions on the lapse of the protection rights |
Effective date: 20131210 |