DD68502A - Process for the continuous production of organic isocyanates - Google Patents
Process for the continuous production of organic isocyanatesInfo
- Publication number
- DD68502A DD68502A DD13151368A DD13151368A DD68502A DD 68502 A DD68502 A DD 68502A DD 13151368 A DD13151368 A DD 13151368A DD 13151368 A DD13151368 A DD 13151368A DD 68502 A DD68502 A DD 68502A
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- continuous production
- organic isocyanates
- isocyanates
- organic
- continuous
- Prior art date
Links
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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE711392D BE711392A (en) | 1968-02-28 | 1968-02-28 | |
GB01391/68A GB1173890A (en) | 1968-02-28 | 1968-03-08 | Process for the Production of Organic Isocyanates |
FR142916A FR1578808A (en) | 1968-02-28 | 1968-03-08 | Process for preparing organic isocyanates |
DD13151368A DD68502A (en) | 1968-02-28 | 1968-04-15 | Process for the continuous production of organic isocyanates |
DE1768439A DE1768439C3 (en) | 1968-02-28 | 1968-05-14 | Process for the continuous production of organic isocyanates |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE711392 | 1968-02-28 | ||
GB01391/68A GB1173890A (en) | 1968-02-28 | 1968-03-08 | Process for the Production of Organic Isocyanates |
FR142916A FR1578808A (en) | 1968-02-28 | 1968-03-08 | Process for preparing organic isocyanates |
DD13151368A DD68502A (en) | 1968-02-28 | 1968-04-15 | Process for the continuous production of organic isocyanates |
DE1768439A DE1768439C3 (en) | 1968-02-28 | 1968-05-14 | Process for the continuous production of organic isocyanates |
Publications (1)
Publication Number | Publication Date |
---|---|
DD68502A true DD68502A (en) | 1969-08-20 |
Family
ID=3852454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD13151368A DD68502A (en) | 1968-02-28 | 1968-04-15 | Process for the continuous production of organic isocyanates |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE711392A (en) |
DD (1) | DD68502A (en) |
DE (1) | DE1768439C3 (en) |
FR (1) | FR1578808A (en) |
GB (1) | GB1173890A (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2560596B1 (en) * | 1984-03-02 | 1986-09-26 | Atochem | DIISOCYANATES-1,10 DECANE AND THEIR MANUFACTURING METHODS |
DE4412327A1 (en) * | 1994-04-11 | 1995-10-12 | Bayer Ag | Process for the preparation of diisocyanates |
DE19651041A1 (en) * | 1996-12-09 | 1998-06-10 | Bayer Ag | Process for the preparation of isocyanates from poorly soluble primary amines |
DE10222968A1 (en) | 2002-05-23 | 2003-12-04 | Basf Ag | Process for the preparation of isocyanates |
EP1371633A1 (en) * | 2002-06-14 | 2003-12-17 | Bayer Ag | Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column |
DE10260082A1 (en) | 2002-12-19 | 2004-07-01 | Basf Ag | Process for the continuous production of isocyanates |
DE10261187A1 (en) * | 2002-12-20 | 2004-07-08 | Basf Ag | Process for the preparation of isocyanates |
US20070232827A1 (en) * | 2004-05-25 | 2007-10-04 | Basf Aktiengesellschaft | Isocyanate Production Method |
DE102004032871A1 (en) | 2004-07-07 | 2006-02-09 | Bayer Materialscience Ag | Process for the preparation of polyisocyanates by adiabatic phosgenation of primary amines |
US7547801B2 (en) | 2006-06-26 | 2009-06-16 | Bayer Materialscience Llc | Process for the continuous preparation of isocyanates |
KR101440166B1 (en) | 2006-10-26 | 2014-09-12 | 바스프 에스이 | Process for preparing isocyanates |
CN101429139B (en) * | 2008-12-18 | 2012-11-14 | 宁波万华聚氨酯有限公司 | Process for producing dicyclohexyl methyl hydride diisocyanate and its midbody |
FR2940283B1 (en) | 2008-12-18 | 2011-03-11 | Perstorp Tolonates France | USE OF A PISTON REACTOR FOR THE IMPLEMENTATION OF A PHOSGENATION PROCESS |
CN101735109B (en) * | 2009-12-04 | 2013-02-27 | 赛鼎工程有限公司 | Method for continuously producing organic isocyanate |
WO2017001322A1 (en) | 2015-06-29 | 2017-01-05 | Covestro Deutschland Ag | Process for preparing polyisocyanates |
HUE046418T2 (en) | 2015-06-29 | 2020-03-30 | Covestro Deutschland Ag | Method for providing hydrogen chloride for chemical conversions |
CN106946741B (en) * | 2017-04-26 | 2018-12-07 | 万华化学集团股份有限公司 | A kind of preparation method of dicyclohexyl methyl hydride diisocyanate |
US10875827B2 (en) | 2018-11-13 | 2020-12-29 | Covestro Deutschland Ag | Process for preparing an isocyanate by partly adiabatic phosgenation of the corresponding amine |
US10851048B2 (en) | 2018-11-13 | 2020-12-01 | Covestro Deutschland Ag | Process for preparing an isocyanate by partly adiabatically operated phosgenation of the corresponding amine |
CN110981754A (en) * | 2019-12-19 | 2020-04-10 | 山东华阳农药化工集团有限公司 | Diphenylethane diisocyanate and preparation method thereof |
CN111138320A (en) * | 2019-12-19 | 2020-05-12 | 常州市恒邦化工有限公司 | Preparation method of triphenylmethane-4.4 ', 4 ' ' -triisocyanate adhesive |
KR20230011290A (en) * | 2020-05-15 | 2023-01-20 | 코베스트로 도이칠란트 아게 | Method for operating a plant for the continuous production of isocyanates |
CN115043758B (en) * | 2022-07-06 | 2023-10-27 | 摩珈(上海)生物科技有限公司 | Method for preparing isocyanate by combining supercritical phosgenation method and pipelining method |
CN115108942B (en) * | 2022-07-06 | 2023-10-27 | 摩珈(上海)生物科技有限公司 | Method for preparing isocyanate by supercritical phosgenation reaction |
-
1968
- 1968-02-28 BE BE711392D patent/BE711392A/fr not_active IP Right Cessation
- 1968-03-08 FR FR142916A patent/FR1578808A/en not_active Expired
- 1968-03-08 GB GB01391/68A patent/GB1173890A/en not_active Expired
- 1968-04-15 DD DD13151368A patent/DD68502A/en unknown
- 1968-05-14 DE DE1768439A patent/DE1768439C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1578808A (en) | 1969-08-22 |
GB1173890A (en) | 1969-12-10 |
BE711392A (en) | 1968-07-01 |
DE1768439A1 (en) | 1971-11-18 |
DE1768439C3 (en) | 1975-01-02 |
DE1768439B2 (en) | 1974-04-25 |
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