BR112012013061A2 - processo para preparar isocianatos. - Google Patents

processo para preparar isocianatos.

Info

Publication number
BR112012013061A2
BR112012013061A2 BR112012013061A BR112012013061A BR112012013061A2 BR 112012013061 A2 BR112012013061 A2 BR 112012013061A2 BR 112012013061 A BR112012013061 A BR 112012013061A BR 112012013061 A BR112012013061 A BR 112012013061A BR 112012013061 A2 BR112012013061 A2 BR 112012013061A2
Authority
BR
Brazil
Prior art keywords
isocyanates
preparing isocyanates
division
carbanate
isocyanate
Prior art date
Application number
BR112012013061A
Other languages
English (en)
Inventor
Axel Franzke
Eckhard Stroefer
Joachim Pfeffinger
Michael Bock
Robert Baumann
Original Assignee
Basf Se
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 Basf Se filed Critical Basf Se
Publication of BR112012013061A2 publication Critical patent/BR112012013061A2/pt

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
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

processo para preparar isocianatos - a invenção diz a um método para a produção de isocianatos pela divisão térmica de carbamatos, um gás de divisão de carbanato que compreende o isocianato correspondente e o álcool correspondente sendo obtidos, a invenção sendo caracterizada em que o gás de divisão de carbanato é extinto na presença de um éter que funciona como um inibidor pela retro-reação do isocianato e do álcool.
BR112012013061A 2009-12-01 2010-11-30 processo para preparar isocianatos. BR112012013061A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09177643 2009-12-01
PCT/EP2010/068500 WO2011067242A1 (de) 2009-12-01 2010-11-30 Verfahren zur herstellung von isocyanaten durch thermische spaltung von carbamaten

Publications (1)

Publication Number Publication Date
BR112012013061A2 true BR112012013061A2 (pt) 2016-11-22

Family

ID=43500414

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012013061A BR112012013061A2 (pt) 2009-12-01 2010-11-30 processo para preparar isocianatos.

Country Status (10)

Country Link
US (1) US8822718B2 (pt)
EP (1) EP2507205B1 (pt)
JP (1) JP5731530B2 (pt)
KR (1) KR20120091415A (pt)
CN (1) CN102712579B (pt)
BR (1) BR112012013061A2 (pt)
ES (1) ES2502540T3 (pt)
PL (1) PL2507205T3 (pt)
PT (1) PT2507205E (pt)
WO (1) WO2011067242A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8680323B2 (en) 2010-01-19 2014-03-25 Basf Se Process for preparing isocyanates by thermal dissociation of carbamates
US8933262B2 (en) 2011-05-24 2015-01-13 Basf Se Process for preparing polyisocyanates from biomass
US9012638B2 (en) 2011-08-31 2015-04-21 Basf Se Process for preparing EDDN and/or EDMN by conversion of FACH and EDA
US8952156B2 (en) 2011-08-31 2015-02-10 Basf Se Process for working up reaction outputs from the hydrogenation of EDDN or EDMN
US8946459B2 (en) 2011-08-31 2015-02-03 Basf Se Process for preparing EDDN and/or EDMN by reacting EDFA and/or EDMFA with HCN
US9096497B2 (en) 2011-08-31 2015-08-04 Basf Se Process for preparing EDDN and EDMN
KR101348229B1 (ko) 2011-12-14 2014-01-08 경희대학교 산학협력단 지방족 디이소시아네이트의 제조방법
TWI561504B (en) * 2015-07-17 2016-12-11 Great Eastern Resins Ind Co Ltd Two-step and one-pot processes for preparation of aliphatic diisocyanates
TWI647253B (zh) * 2016-12-29 2019-01-11 大東樹脂化學股份有限公司 利用芳香族氨甲酸酯透過異氰酸鹽作為前驅物之經催化熱反應路徑以製備醯胺或聚醯胺的方法及由芳香胺製備芳香族氨甲酸酯前驅物的方法
JP2019199417A (ja) * 2018-05-15 2019-11-21 旭化成株式会社 イソシアネートの製造方法
KR102289569B1 (ko) * 2019-10-24 2021-08-17 애경유화주식회사 펜타메틸렌 디이소시아네이트의 제조방법

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999873A (en) * 1956-07-09 1961-09-12 Gen Aniline & Film Corp Process for the preparation of organic isocyanates
US3743941A (en) * 1971-10-28 1973-07-03 Bell Telephone Labor Inc Diversity receiver suitable for large scale integration
US3919278A (en) * 1974-06-13 1975-11-11 Atlantic Richfield Co Production of isocyanates from lower alkyl esters of mononuclear aromatic carbamic acids
US4207251A (en) * 1977-08-02 1980-06-10 Akzona Incorporated Catalytic oxidation of formamides to form isocyanates
DE2942503A1 (de) * 1979-10-20 1981-05-07 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von aromatischen di- und/oder polyisocyanaten
DE3142627A1 (de) 1981-10-28 1983-05-05 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von isocyanaten durch thermische spaltung von urethanen
DE3215591A1 (de) 1982-04-27 1983-10-27 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern
JPH0645586B2 (ja) * 1982-12-13 1994-06-15 三菱化成株式会社 芳香族ウレタンの熱分解法
US5326903A (en) 1992-01-10 1994-07-05 Nippon Shokubai Co., Ltd. Process for preparing isocyanates using sintered oxides
ES2166922T3 (es) 1996-03-15 2002-05-01 Bayer Ag Uso de disolventes o mezclas de disolventes de alto punto de ebullicion como medio intercambiador de calor para la disociacion termica de esteres de acidos carbamicos.
DE19907648A1 (de) 1999-02-23 2000-08-24 Basf Ag Verfahren zur Herstellung von Isocyanaten durch Spaltung von Urethanen
JP4501013B2 (ja) * 1999-02-26 2010-07-14 三井化学株式会社 ポリオールの精製方法
DE10209095A1 (de) * 2002-03-01 2003-09-11 Basf Ag Verfahren zur Herstellung von Isocyanaten
DE10245704A1 (de) * 2002-09-30 2004-04-01 Bayer Ag Verfahren zum Quenchen eines gasförmigen Reaktionsgemisches bei der Gasphasenphosgenierung von Diaminen
DE10260092A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur Reinigung von Isocyanaten
DE102006058634A1 (de) * 2006-12-13 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
WO2011015541A1 (de) 2009-08-04 2011-02-10 Basf Se Verfahren zur herstellung von isocyanaten
US8859805B2 (en) 2009-09-22 2014-10-14 Basf Se Process for preparing isocyanates
ES2502537T3 (es) 2009-10-27 2014-10-03 Basf Se Procedimiento para la producción acoplada de di- y/o poliisocianatos y glicoles
US8680323B2 (en) 2010-01-19 2014-03-25 Basf Se Process for preparing isocyanates by thermal dissociation of carbamates
EP2585433A1 (de) 2010-06-22 2013-05-01 Basf Se Heterogen katalysierte carbamatspaltung zur synthese von isocyanaten an festen lewis-säuren

Also Published As

Publication number Publication date
ES2502540T3 (es) 2014-10-03
KR20120091415A (ko) 2012-08-17
EP2507205B1 (de) 2014-07-16
US8822718B2 (en) 2014-09-02
WO2011067242A1 (de) 2011-06-09
JP2013512273A (ja) 2013-04-11
US20120245377A1 (en) 2012-09-27
PT2507205E (pt) 2014-08-22
PL2507205T3 (pl) 2014-12-31
JP5731530B2 (ja) 2015-06-10
EP2507205A1 (de) 2012-10-10
CN102712579B (zh) 2014-07-09
CN102712579A (zh) 2012-10-03

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]