BE711392A - - Google Patents

Info

Publication number
BE711392A
BE711392A BE711392DA BE711392A BE 711392 A BE711392 A BE 711392A BE 711392D A BE711392D A BE 711392DA BE 711392 A BE711392 A BE 711392A
Authority
BE
Belgium
Prior art keywords
amine
phosgene
temperature
reactor
process according
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Gnii Pi Azotnoj
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gnii Pi Azotnoj filed Critical Gnii Pi Azotnoj
Publication of BE711392A publication Critical patent/BE711392A/fr

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)
BE711392D 1968-02-28 1968-02-28 BE711392A (zh)

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 (fr) 1968-02-28 1968-03-08 Procede de preparation d'isocyanates organiques
DD13151368A DD68502A (de) 1968-02-28 1968-04-15 Verfahren zur kontinuierlichen Herstellung organischer Isozyanate
DE1768439A DE1768439C3 (de) 1968-02-28 1968-05-14 Verfahren zur fortlaufenden Herstellung organischer Isocyanate

Publications (1)

Publication Number Publication Date
BE711392A true BE711392A (zh) 1968-07-01

Family

ID=3852454

Family Applications (1)

Application Number Title Priority Date Filing Date
BE711392D BE711392A (zh) 1968-02-28 1968-02-28

Country Status (5)

Country Link
BE (1) BE711392A (zh)
DD (1) DD68502A (zh)
DE (1) DE1768439C3 (zh)
FR (1) FR1578808A (zh)
GB (1) GB1173890A (zh)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2560596B1 (fr) * 1984-03-02 1986-09-26 Atochem Diisocyanates-1,10 decane et leur procedes de fabrication
DE4412327A1 (de) * 1994-04-11 1995-10-12 Bayer Ag Verfahren zur Herstellung von Diisocyanaten
DE19651041A1 (de) * 1996-12-09 1998-06-10 Bayer Ag Verfahren zur Herstellung von Isocyanaten aus schwerlöslichen primären Aminen
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
DE10260082A1 (de) 2002-12-19 2004-07-01 Basf Ag Verfahren zur kontinuierlichen Herstellung von Isocyanaten
DE10261187A1 (de) * 2002-12-20 2004-07-08 Basf Ag Verfahren zur Herstellung von Isocyanaten
US20070232827A1 (en) * 2004-05-25 2007-10-04 Basf Aktiengesellschaft Isocyanate Production Method
DE102004032871A1 (de) 2004-07-07 2006-02-09 Bayer Materialscience Ag Verfahren zur Herstellung von Polyisocyanaten durch adiabate Phosgenierung von primären Aminen
US7547801B2 (en) 2006-06-26 2009-06-16 Bayer Materialscience Llc Process for the continuous preparation of isocyanates
WO2008049783A1 (de) 2006-10-26 2008-05-02 Basf Se Verfahren zur herstellung von isocyanaten
FR2940283B1 (fr) 2008-12-18 2011-03-11 Perstorp Tolonates France Utilisation d'un reacteur de type piston pour la mise en oeuvre d'un procede de phosgenation.
CN101429139B (zh) * 2008-12-18 2012-11-14 宁波万华聚氨酯有限公司 二环己基甲烷二异氰酸酯及其中间体的制备方法
CN101735109B (zh) * 2009-12-04 2013-02-27 赛鼎工程有限公司 有机异氰酸酯的连续生产方法
WO2017001322A1 (de) 2015-06-29 2017-01-05 Covestro Deutschland Ag Verfahren zur herstellung von polyisocyanaten
JP6743068B2 (ja) 2015-06-29 2020-08-19 コベストロ、ドイチュラント、アクチエンゲゼルシャフトＣｏｖｅｓｔｒｏ Ｄｅｕｔｓｃｈｌａｎｄ Ａｇ 化学反応用塩化水素製造方法
CN106946741B (zh) * 2017-04-26 2018-12-07 万华化学集团股份有限公司 一种二环己基甲烷二异氰酸酯的制备方法
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 (zh) * 2019-12-19 2020-04-10 山东华阳农药化工集团有限公司 一种二苯基乙烷二异氰酸酯及其制备方法
CN111138320A (zh) * 2019-12-19 2020-05-12 常州市恒邦化工有限公司 一种三苯甲烷-4.4’.4’’-三异氰酸酯胶粘剂的制备方法
WO2021228977A1 (de) 2020-05-15 2021-11-18 Covestro Deutschland Ag Verfahren zum betreiben einer anlage zur kontinuierlichen herstellung eines isocyanats
CN115043758B (zh) * 2022-07-06 2023-10-27 摩珈(上海)生物科技有限公司 超临界光气化法结合管道化法制备异氰酸酯的方法
CN115108942B (zh) * 2022-07-06 2023-10-27 摩珈(上海)生物科技有限公司 超临界光气化反应制备异氰酸酯的方法

Also Published As

Publication number Publication date
DD68502A (de) 1969-08-20
DE1768439C3 (de) 1975-01-02
DE1768439B2 (zh) 1974-04-25
GB1173890A (en) 1969-12-10
FR1578808A (fr) 1969-08-22
DE1768439A1 (de) 1971-11-18

Similar Documents

Publication Publication Date Title
BE711392A (zh)
US4147714A (en) Process for the preparation of polyisocyanates which contain biuret groups
US4292255A (en) Process for the preparation of organic polyisocyanates containing urea groups
CA1309721C (en) Process for the continuous production of mono- and polyisocyanates
US5286760A (en) Process for reducing impurity levels in methylene diphenyamines
JP3868027B2 (ja) トリアミノジフェニルメタン類を主要成分とするメチレン架橋ポリフェニレンポリアミンの製造方法
FR2579600A1 (fr) Resine thermodurcissable a base de polycarbodiimides reticules et sa preparation
EP2028179A1 (de) Herstellung von isocyanaten mit niedrigen chlorgehalten
US4581174A (en) Process for the continuous preparation of organic mono-and/or polyisocyanates
US3471543A (en) Sequential production of polyisocyanate compositions
FR2503146A1 (fr) Procede de preparation continue d'isocyanates organiques
JPS63227609A (ja) ポリアミンの改良製造法
US4654443A (en) Hydrolysis of isocyanate distillation bottoms
KR100542842B1 (ko) (지환족) 지방족 디이소시아네이트로부터 비우레트기 함유 폴리이소시아네이트의 제조 방법
EP0273836A2 (fr) Polyisocyanates à groupement isocyanurique purs et procédé d'obtention de ces polyisocyanates
US4405527A (en) Process for the preparation of polyisocyanates
CA2067867C (en) Preparation of polymethylene polyphenyl polyisocyanate
CA1304399C (fr) Procede de purification et d'isolement de condensats d'isocyanates par extraction au co _liquide ou supercritique
US5349082A (en) Toluene diisocyanate residue
JPS6229426B2 (zh)
US3282975A (en) Process for producing stable, undistilled tolylene diisocyanate compositions
US3274225A (en) Method for producing organic polyisocyanates substantially free of sediment
JPH09216860A (ja) エーテルイソシアネートの製造方法
US3825598A (en) Process for the production of polyamines
SU413143A1 (zh)

Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: GIAP GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY I PRO

Effective date: 19880228