BR9402087A - Processo para a produção de isocianatos puros e utilização - Google Patents

Processo para a produção de isocianatos puros e utilização

Info

Publication number
BR9402087A
BR9402087A BR9402087A BR9402087A BR9402087A BR 9402087 A BR9402087 A BR 9402087A BR 9402087 A BR9402087 A BR 9402087A BR 9402087 A BR9402087 A BR 9402087A BR 9402087 A BR9402087 A BR 9402087A
Authority
BR
Brazil
Prior art keywords
production
pure isocyanates
isocyanates
pure
Prior art date
Application number
BR9402087A
Other languages
English (en)
Portuguese (pt)
Inventor
Hermann-Josef Benedix
Werner Motika
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 BR9402087A publication Critical patent/BR9402087A/pt

Links

Classifications

    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR9402087A 1993-05-27 1994-05-26 Processo para a produção de isocianatos puros e utilização BR9402087A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4317669A DE4317669A1 (de) 1993-05-27 1993-05-27 Verfahren zur Herstellung von Isocyanaten und kontinuierlichen Aufarbeitung des Rückstandes

Publications (1)

Publication Number Publication Date
BR9402087A true BR9402087A (pt) 1994-12-27

Family

ID=6489062

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9402087A BR9402087A (pt) 1993-05-27 1994-05-26 Processo para a produção de isocianatos puros e utilização

Country Status (10)

Country Link
US (1) US5446196A (2)
EP (1) EP0626368B1 (2)
JP (1) JP3485632B2 (2)
KR (1) KR100286883B1 (2)
CN (1) CN1052974C (2)
BR (1) BR9402087A (2)
CA (1) CA2124287A1 (2)
DE (2) DE4317669A1 (2)
ES (1) ES2114630T3 (2)
TW (1) TW275618B (2)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4430951C1 (de) * 1994-08-31 1996-05-23 Bayer Ag Verfahren und Vorrichtung zur Abtrennung eines festen Rückstandes aus seiner Lösung im gerührten Gutbett
FR2780966B1 (fr) * 1998-07-10 2000-09-08 Rhodia Chimie Sa Procede de recuperation de composes dans les produits lourds issus de leur fabrication
DE102005046816A1 (de) * 2005-09-29 2007-04-05 Basf Ag Verfahren zur Aufreinigung von isocyanathaltigen Rückständen
KR101287282B1 (ko) * 2005-09-29 2013-07-23 바스프 에스이 아이소시아네이트를 함유하는 잔류물의 정제 방법
DE102006060181A1 (de) * 2006-12-18 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiisocyanat
DE102007020444A1 (de) * 2007-04-27 2008-11-06 Bayer Materialscience Ag Verfahren zur Oxidation eines Chlorwasserstoffenthaltenden Gasgemisches
FR2918991B1 (fr) * 2007-07-20 2012-05-11 Rhodia Operations Nouvelle utilisation des cokes issus de la fabrication du toluene diisocyanate
DE102011051467A1 (de) 2011-06-30 2013-01-03 Buss-Sms-Canzler Gmbh Verfahren zur Gewinnung von Toluylendiisocyanat aus flüssigen Rückständen der Toluylendiisocyanatherstellung
CN104411681B (zh) * 2012-07-11 2017-03-29 科思创德国股份有限公司 后处理由制备异氰酸酯产生的蒸馏残渣的方法
US9688619B2 (en) 2013-08-19 2017-06-27 Covestro Deutschland Ag Process for obtaining organic isocyanates from distillation residues from isocyanate preparation
HUE053661T2 (hu) 2016-12-21 2021-07-28 Covestro Intellectual Property Gmbh & Co Kg Eljárás egy izocianát elõállítására
EP3571185A1 (de) * 2017-01-18 2019-11-27 Covestro Deutschland AG Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen
US10400112B2 (en) * 2017-06-22 2019-09-03 Covestro Llc Powder coating compositions with a polymeric aromatic product of an aromatic isocyanate manufacturing process
US10465090B2 (en) 2017-06-22 2019-11-05 Covestro Llc Powder coating compositions with a polymeric aromatic product of an aromatic isocyanate manufacturing process
EP3549931A1 (de) 2018-04-06 2019-10-09 Covestro Deutschland AG Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen
EP3597632A1 (de) * 2018-07-18 2020-01-22 Covestro Deutschland AG Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen
WO2020041427A1 (en) 2018-08-21 2020-02-27 Covestro Llc Paving grade asphalt compositions and methods for their manufacture
US10851239B2 (en) 2018-11-07 2020-12-01 Covestro Llc Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams
US12601544B2 (en) 2019-04-02 2026-04-14 Covestro Deutschland Ag Drying apparatus and use thereof and process for producing an isocyanate using the drying apparatus
EP3960728A1 (de) 2020-08-24 2022-03-02 Covestro Deutschland AG Verfahren zur isocyanat-herstellung mit rezyklierender, thermisch oxidativer verwertung
CN114247734A (zh) * 2020-09-24 2022-03-29 科思创德国股份有限公司 一种处理固体残渣的方法
US11618814B2 (en) 2020-12-04 2023-04-04 Covestro Llc Elastomeric compositions containing a solid residue of isocyanate manufacturing
CN114478320A (zh) * 2022-01-25 2022-05-13 浙江丽水有邦新材料有限公司 一种苯基异氰酸酯的生产方法及生产装置
KR20250005405A (ko) 2022-04-26 2025-01-09 바스프 에스이 톨루엔 디이소시아네이트 및 고비점 화합물 함유 혼합물을 저장하는 방법, 및 톨루엔 디이소시아네이트 함유 미정제 반응 생성물을 후처리하는 방법
CN121569012A (zh) 2023-08-15 2026-02-24 科思创德国股份有限公司 提供适于焚烧的粒料的方法、适于焚烧的粒料及其作为燃料的用途

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889257A (en) * 1956-05-17 1959-06-02 Du Pont Distillation of tar residues
US3457291A (en) * 1965-04-01 1969-07-22 Union Carbide Corp Production of isocyanates
CH506322A (de) * 1969-03-17 1971-04-30 List Heinz Mehrspindelige Misch- und Knetmaschine
US3971793A (en) * 1972-07-25 1976-07-27 Delalande S.A. Certain 6-(dialkylamino, pyrrolidino and piperidino)ethoxy-4,7-dimethoxy-5-(3-phenyl-1-hydroxypropyl)2,3-dihydrobenzofurans
FR2397396A1 (fr) * 1977-07-12 1979-02-09 Ugine Kuhlmann Procede de recuperation du toluene diisocyanate a partir des residus de fabrication
DE2915830A1 (de) * 1979-04-19 1980-10-23 Basf Ag Gewinnung von toluylendiisocyanat und/oder hoehersiedenden loesungsmitteln im wirbelbett aus destillationsrueckstaenden der toluylendiisocanat-herstellung
SE8604441L (sv) * 1986-10-20 1988-04-21 Nobel Chematur Ab Sett att utvinna isocyanater
US5043470A (en) * 1989-03-03 1991-08-27 The Lubrizol Corporation Process for distillation of crude isocyanate concentrates

Also Published As

Publication number Publication date
JPH06336469A (ja) 1994-12-06
ES2114630T3 (es) 1998-06-01
EP0626368B1 (de) 1998-04-15
DE4317669A1 (de) 1994-12-01
CA2124287A1 (en) 1994-11-28
CN1052974C (zh) 2000-05-31
DE59405677D1 (de) 1998-05-20
JP3485632B2 (ja) 2004-01-13
TW275618B (2) 1996-05-11
KR100286883B1 (ko) 2001-04-16
EP0626368A1 (de) 1994-11-30
US5446196A (en) 1995-08-29
CN1099026A (zh) 1995-02-22

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B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)

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