FR2129554A5 - Continuous isocyanates prepn - from primary amines and phosgenes by recycling separated gas and liq phases - Google Patents
Continuous isocyanates prepn - from primary amines and phosgenes by recycling separated gas and liq phasesInfo
- Publication number
- FR2129554A5 FR2129554A5 FR7208236A FR7208236A FR2129554A5 FR 2129554 A5 FR2129554 A5 FR 2129554A5 FR 7208236 A FR7208236 A FR 7208236A FR 7208236 A FR7208236 A FR 7208236A FR 2129554 A5 FR2129554 A5 FR 2129554A5
- Authority
- FR
- France
- Prior art keywords
- liq
- phases
- isocyanates
- phosgenes
- prepn
- 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.)
- Expired
Links
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical class ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 title abstract 3
- 239000012948 isocyanate Substances 0.000 title abstract 2
- 150000002513 isocyanates Chemical class 0.000 title abstract 2
- 150000003141 primary amines Chemical class 0.000 title 1
- 238000004064 recycling Methods 0.000 title 1
- 239000012071 phase Substances 0.000 abstract 4
- 150000001412 amines Chemical class 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 238000004821 distillation Methods 0.000 abstract 1
- 239000007792 gaseous phase Substances 0.000 abstract 1
- 239000012442 inert solvent Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
- 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 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712112181 DE2112181A1 (de) | 1971-03-13 | 1971-03-13 | Verfahren zur kontinuierlichen Herstellung von organischen Isocyanaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2129554A5 true FR2129554A5 (en) | 1972-10-27 |
Family
ID=5801469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7208236A Expired FR2129554A5 (en) | 1971-03-13 | 1972-03-09 | Continuous isocyanates prepn - from primary amines and phosgenes by recycling separated gas and liq phases |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE780513A (OSRAM) |
| DE (1) | DE2112181A1 (OSRAM) |
| FR (1) | FR2129554A5 (OSRAM) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0314985A1 (de) * | 1987-10-31 | 1989-05-10 | Bayer Ag | Verfahren zur Herstellung von Mono- und Polyisocyanaten |
| US10112892B2 (en) | 2015-06-29 | 2018-10-30 | Covestro Deutschland Ag | Process for preparing polyisocyanates |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4443642A1 (de) * | 1994-12-08 | 1996-06-13 | Bayer Ag | Kontinuierliches Verfahren zur Herstellung von organischen Isocyanaten |
| DE10222968A1 (de) | 2002-05-23 | 2003-12-04 | Basf Ag | Verfahren zur Herstellung von Isocyanaten |
| DE10238995A1 (de) * | 2002-08-20 | 2004-02-26 | Basf Ag | Gasphasenphosgenierung bei moderaten Drücken |
| DE10260082A1 (de) | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von Isocyanaten |
| DE10310888A1 (de) | 2003-03-11 | 2004-09-23 | Basf Ag | Verfahren zur Herstellung von Polyisocyanaten |
-
1971
- 1971-03-13 DE DE19712112181 patent/DE2112181A1/de not_active Withdrawn
-
1972
- 1972-03-09 FR FR7208236A patent/FR2129554A5/fr not_active Expired
- 1972-03-10 BE BE780513A patent/BE780513A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0314985A1 (de) * | 1987-10-31 | 1989-05-10 | Bayer Ag | Verfahren zur Herstellung von Mono- und Polyisocyanaten |
| US10112892B2 (en) | 2015-06-29 | 2018-10-30 | Covestro Deutschland Ag | Process for preparing polyisocyanates |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2112181B2 (OSRAM) | 1980-02-21 |
| BE780513A (fr) | 1972-09-11 |
| DE2112181A1 (de) | 1972-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |