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BR9201469A - Processo para a preparacao de poli(o-alquifuretanas)e emprego - Google Patents

Processo para a preparacao de poli(o-alquifuretanas)e emprego

Info

Publication number
BR9201469A
BR9201469A BR929201469A BR9201469A BR9201469A BR 9201469 A BR9201469 A BR 9201469A BR 929201469 A BR929201469 A BR 929201469A BR 9201469 A BR9201469 A BR 9201469A BR 9201469 A BR9201469 A BR 9201469A
Authority
BR
Brazil
Prior art keywords
alquifuretanas
poli
employment
preparation
Prior art date
Application number
BR929201469A
Other languages
English (en)
Inventor
Guenter Dr Hammen
Thomas Dr Schieb
Stefan Dr Wershofen
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR9201469A publication Critical patent/BR9201469A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C269/04—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups from amines with formation of carbamate groups
    • 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

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)
  • Polyurethanes Or Polyureas (AREA)
BR929201469A 1991-04-23 1992-04-22 Processo para a preparacao de poli(o-alquifuretanas)e emprego BR9201469A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4113156A DE4113156A1 (de) 1991-04-23 1991-04-23 Verfahren zur herstellung von poly(o-alkylurethanen) der diphenylmethanreihe

Publications (1)

Publication Number Publication Date
BR9201469A true BR9201469A (pt) 1992-12-01

Family

ID=6430136

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929201469A BR9201469A (pt) 1991-04-23 1992-04-22 Processo para a preparacao de poli(o-alquifuretanas)e emprego

Country Status (6)

Country Link
US (1) US5347034A (pt)
EP (1) EP0510459A3 (pt)
JP (1) JPH05148217A (pt)
BR (1) BR9201469A (pt)
CA (1) CA2066480A1 (pt)
DE (1) DE4113156A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1282023B1 (it) * 1995-07-06 1998-03-06 Mini Ricerca Scient Tecnolog Procedimento per la produzione di uretani aromatici
WO1998055451A1 (en) * 1997-06-05 1998-12-10 Huntsman Ici Chemicals Llc Method for the preparation of carbamates
WO1998056758A1 (en) * 1997-06-09 1998-12-17 Huntsman Ici Chemicals Llc Process for the production of organic isocyanates
IT1318395B1 (it) * 2000-03-17 2003-08-25 Enichem Spa Processo in continuo per la sintesi di uretani aromatici.
US7459504B2 (en) * 2005-04-08 2008-12-02 Ppg Industries Ohio, Inc. Reaction product of polyamine and acyclic carbonate
EP2036884A1 (en) 2007-09-14 2009-03-18 Repsol Ypf S.A. Process for producing fluorinated isocyanates and carbamates
BRPI0822694B1 (pt) * 2008-05-15 2018-11-27 Asahi Kasei Chemicals Corp processo para produzir um isocianato
EP2230228A1 (en) 2009-03-16 2010-09-22 Bayer MaterialScience AG Process for preparing aromatic carbamates
FR2981931B1 (fr) * 2011-10-28 2014-07-04 Gen Produits Ind S E G Soc D Expl Procede de preparation d'un compose comprenant au moins un motif beta-hydroxy-urethane et/ou au moins un motif gamma-hydroxy-urethane.
WO2014187756A1 (en) 2013-05-22 2014-11-27 Bayer Materialscience Ag Zinc cluster compounds and their use as catalysts in the reaction of amines with dialkyl carbonates
CN110650944B (zh) 2017-05-15 2022-07-19 科思创德国股份有限公司 基于二氧化硅的锌催化剂、它们的制备以及在胺的烷氧基羰基化中的用途

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763217A (en) * 1970-12-03 1973-10-02 Halcon International Inc Preparation of carbamates
US4450188A (en) * 1980-04-18 1984-05-22 Shinroku Kawasumi Process for the preparation of precious metal-coated particles
DE3035354A1 (de) * 1980-09-19 1982-04-29 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von n,o-disubstituierten urethanen und ihre verwendung als ausgangsmaterial zur herstellung von organischen isocyanaten
EP0065026A1 (en) * 1981-05-18 1982-11-24 The Dow Chemical Company Preparation of carbamates from aromatic amines and organic carbonates
US4550188A (en) * 1984-06-27 1985-10-29 The Dow Chemical Company Preparation of carbamates
EP0323514B1 (en) * 1987-01-13 1994-07-13 Daicel Chemical Industries, Ltd. Process for preparing isocyanate compounds
IT1229144B (it) * 1989-04-07 1991-07-22 Enichem Sintesi Procedimento per la produzione di carbammati.

Also Published As

Publication number Publication date
DE4113156A1 (de) 1993-01-14
CA2066480A1 (en) 1992-10-24
JPH05148217A (ja) 1993-06-15
EP0510459A2 (de) 1992-10-28
US5347034A (en) 1994-09-13
EP0510459A3 (en) 1993-02-24

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law