BR8501588A - Processo para a preparacao de poliisocianatos - Google Patents

Processo para a preparacao de poliisocianatos

Info

Publication number
BR8501588A
BR8501588A BR8501588A BR8501588A BR8501588A BR 8501588 A BR8501588 A BR 8501588A BR 8501588 A BR8501588 A BR 8501588A BR 8501588 A BR8501588 A BR 8501588A BR 8501588 A BR8501588 A BR 8501588A
Authority
BR
Brazil
Prior art keywords
polyisocianates
preparation
Prior art date
Application number
BR8501588A
Other languages
English (en)
Inventor
Berthold Keggenhoff
Guenther Ellendt
Marcel Petinaux
Alfred Mitschker
Peter Michael Lange
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 BR8501588A publication Critical patent/BR8501588A/pt

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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR8501588A 1984-04-07 1985-04-03 Processo para a preparacao de poliisocianatos BR8501588A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843413174 DE3413174A1 (de) 1984-04-07 1984-04-07 Verfahren zur herstellung von polyisocyanaten

Publications (1)

Publication Number Publication Date
BR8501588A true BR8501588A (pt) 1985-12-03

Family

ID=6232963

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8501588A BR8501588A (pt) 1984-04-07 1985-04-03 Processo para a preparacao de poliisocianatos

Country Status (6)

Country Link
US (1) US4745216A (pt)
EP (1) EP0163837B1 (pt)
JP (1) JPS60228450A (pt)
BR (1) BR8501588A (pt)
CA (1) CA1234826A (pt)
DE (2) DE3413174A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191111A (en) * 1990-07-31 1993-03-02 E. I. Du Pont De Nemours And Company Manufacture of isocyanate-substituted isophtholayl chloride
US5362399A (en) * 1992-12-30 1994-11-08 Basf Corporation Removal of water from a phosgene recycle stream
CA2207164A1 (en) * 1996-06-14 1997-12-14 James Erwin Fritz Scavenger assisted combinatorial process for preparing libraries of urea and thiourea compounds
JP4066157B2 (ja) * 2002-07-16 2008-03-26 日本ポリウレタン工業株式会社 ポリメチレンポリフェニルポリイソシアネートの生産方法
EP2502904B1 (en) 2004-07-28 2013-11-20 Huntsman International Llc Process for the production of polyisocyanates
PT1928928T (pt) * 2005-09-22 2018-03-26 Huntsman Int Llc Método para a produção de poliisocianatos
DE102006022448A1 (de) * 2006-05-13 2007-11-15 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten
ES2560408T3 (es) * 2011-11-29 2016-02-18 Basf Se Proceso para producir isocianatos mediante fosgenación de las aminas respectivas en la fase gaseosa
EP3873882A1 (en) 2018-10-31 2021-09-08 Dow Global Technologies Llc Method for removing monoisocyanates from organic solution
HUE061044T2 (hu) 2018-12-07 2023-06-28 Dow Global Technologies Llc Eljárás monoizocianátok karbamidokká konvertálására
KR102914383B1 (ko) 2019-02-07 2026-01-20 다우 글로벌 테크놀로지스 엘엘씨 페닐 이소시아네이트 전환 방법
WO2022077429A1 (zh) * 2020-10-16 2022-04-21 万华化学集团股份有限公司 光气化反应生产中的循环溶剂及其除杂方法
CN114380714B (zh) * 2020-10-16 2023-08-11 万华化学集团股份有限公司 光气化反应生产中的循环溶剂及其除杂方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE144559C (pt) *
DD144559A1 (de) * 1979-06-28 1980-10-22 Jens Fischer Regenerierung von organischen enzymtraegermaterialien fuer die wiederverwendung als traeger
DE3129270A1 (de) * 1981-07-24 1983-02-10 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyisocyanaten
DE3306845A1 (de) * 1983-02-26 1984-08-30 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyisocyanaten, die nach diesem verfahren erhaeltlichen polyisocyanate, sowie ihre verwendung zur herstellung von polyurethanen oder von polyaminen

Also Published As

Publication number Publication date
EP0163837A1 (de) 1985-12-11
DE3413174A1 (de) 1985-10-17
JPS60228450A (ja) 1985-11-13
DE3561458D1 (en) 1988-02-25
EP0163837B1 (de) 1988-01-20
CA1234826A (en) 1988-04-05
US4745216A (en) 1988-05-17

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)
B15K Others concerning applications: alteration of classification

Ipc: C07C 263/10 (2006.01), C07C 263/20 (2006.0