DE3850647D1 - Verfahren zur herstellung von isocyanat-verbindungen. - Google Patents

Verfahren zur herstellung von isocyanat-verbindungen.

Info

Publication number
DE3850647D1
DE3850647D1 DE3850647T DE3850647T DE3850647D1 DE 3850647 D1 DE3850647 D1 DE 3850647D1 DE 3850647 T DE3850647 T DE 3850647T DE 3850647 T DE3850647 T DE 3850647T DE 3850647 D1 DE3850647 D1 DE 3850647D1
Authority
DE
Germany
Prior art keywords
isocyanate compounds
producing isocyanate
producing
compounds
isocyanate
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 - Fee Related
Application number
DE3850647T
Other languages
English (en)
Other versions
DE3850647T2 (de
Inventor
Toyokazu Yagii
Teruo Itokazu
Kenji Oka
Yasutaka Tanaka
Hidetaka Kojima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daicel Corp
Original Assignee
Daicel Chemical Industries Ltd
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
Priority claimed from JP28444287A external-priority patent/JPH01125359A/ja
Priority claimed from JP62316180A external-priority patent/JPH0780830B2/ja
Application filed by Daicel Chemical Industries Ltd filed Critical Daicel Chemical Industries Ltd
Application granted granted Critical
Publication of DE3850647D1 publication Critical patent/DE3850647D1/de
Publication of DE3850647T2 publication Critical patent/DE3850647T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C68/00—Preparation of esters of carbonic or haloformic acids
    • C07C68/01—Preparation of esters of carbonic or haloformic acids from carbon monoxide and oxygen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE3850647T 1987-01-13 1988-01-13 Verfahren zur herstellung von isocyanat-verbindungen. Expired - Fee Related DE3850647T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP408587 1987-01-13
JP15203287 1987-06-18
JP28444287A JPH01125359A (ja) 1987-11-11 1987-11-11 イソシアネート類の製造法
JP62316180A JPH0780830B2 (ja) 1987-01-13 1987-12-16 イソシアネート化合物の製造方法
PCT/JP1988/000026 WO1988005430A1 (en) 1987-01-13 1988-01-13 Process for preparing isocyanate compounds

Publications (2)

Publication Number Publication Date
DE3850647D1 true DE3850647D1 (de) 1994-08-18
DE3850647T2 DE3850647T2 (de) 1994-11-17

Family

ID=27454004

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3850647T Expired - Fee Related DE3850647T2 (de) 1987-01-13 1988-01-13 Verfahren zur herstellung von isocyanat-verbindungen.

Country Status (3)

Country Link
EP (1) EP0323514B1 (de)
DE (1) DE3850647T2 (de)
WO (1) WO1988005430A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5166414A (en) * 1989-12-28 1992-11-24 Mitsubishi Gas Chemical Company, Inc. Process for producing isocyanate compound
JP2794861B2 (ja) * 1989-12-28 1998-09-10 三菱瓦斯化学株式会社 イソシアネート化合物の製造方法
US5138015A (en) * 1990-03-19 1992-08-11 Daicel Chemical Industries, Ltd. Process for producing polyurethane
DE4113156A1 (de) * 1991-04-23 1993-01-14 Bayer Ag Verfahren zur herstellung von poly(o-alkylurethanen) der diphenylmethanreihe
DE4137428A1 (de) * 1991-11-14 1993-05-19 Bayer Ag Verfahren zur herstellung von polyisocyanaten
IT1255763B (it) * 1992-05-15 1995-11-15 Franco Rivetti Procedimento per la preparazione di isocianati alchilici
TW328955B (en) 1993-05-14 1998-04-01 Cytec Tech Corp Process for preparing bis- or tris-carbamate functional 1,3,5-triazines, substantially halogen contamination free crosslinker compositions and new bis-or tris-carbamate functional 1,3,5-triazines
DE4441176A1 (de) 1994-11-18 1996-05-23 Bayer Ag Allophanatgruppen aufweisende Polyisocyanate
DE19523386A1 (de) * 1995-06-23 1997-01-09 Bayer Ag Verfahren zur Entfernung von Nebenprodukten aus Diurethanen
ES2166923T3 (es) * 1996-03-15 2002-05-01 Bayer Ag Procedimiento para la disociacion termica de esteres de acidos carbamicos.
WO1998056758A1 (en) * 1997-06-09 1998-12-17 Huntsman Ici Chemicals Llc Process for the production of organic isocyanates
IT1317756B1 (it) * 2000-02-03 2003-07-15 Eni Spa Procedimento integrato per la preparazione di isocianati aromatici eprocessi per la realizzazione delle relative fasi intermedie.
EP1943214A2 (de) * 2005-07-20 2008-07-16 Dow Gloval Technologies Inc. Heterogenes, geträgertes, katalytisches carbamatverfahren
EP2036884A1 (de) 2007-09-14 2009-03-18 Repsol Ypf S.A. Verfahren zur Herstellung fluorierter Isocyanate und Carbamate
ES2331505B2 (es) 2008-07-04 2010-09-20 Universidad Politecnica De Valencia Preparacion de carbamatos con catalizadores solidos.
CN103936623B (zh) * 2014-04-15 2015-06-10 河北工业大学 利用甲苯二胺和碳酸二甲酯制备甲苯二异氰酸酯的工艺
CN114507161A (zh) * 2020-11-17 2022-05-17 中国科学院过程工程研究所 一种合成异佛尔酮二异氰酸酯的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6052693B2 (ja) * 1977-12-22 1985-11-20 三菱化学株式会社 カルバミン酸エステルからのイソシアネ−トの製造法
IT1141960B (it) * 1981-01-28 1986-10-08 Anic Spa Procedimento per la preparazione di uretani aromatici
JPS57158746A (en) * 1981-03-25 1982-09-30 Asahi Chem Ind Co Ltd Preparation of isocyanate
JPS57158747A (en) * 1981-03-26 1982-09-30 Asahi Chem Ind Co Ltd Preparation of isocyanate
DE3504336A1 (de) * 1985-02-08 1986-08-14 Hoechst Ag, 6230 Frankfurt Polymerisierbare, hydroxylgruppen tragende carbamoyloxyalkyldicarbonsaeureester, verfahren zu ihrer herstellung und ihre verwendung
JPH05119721A (ja) * 1991-10-24 1993-05-18 Tokai Riken Kk 連続掲示装置

Also Published As

Publication number Publication date
DE3850647T2 (de) 1994-11-17
EP0323514A4 (en) 1990-09-05
EP0323514B1 (de) 1994-07-13
WO1988005430A1 (en) 1988-07-28
EP0323514A1 (de) 1989-07-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee