ES2582173T3 - Preparación de isocianatos de color claro - Google Patents

Preparación de isocianatos de color claro Download PDF

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Publication number
ES2582173T3
ES2582173T3 ES08019172.9T ES08019172T ES2582173T3 ES 2582173 T3 ES2582173 T3 ES 2582173T3 ES 08019172 T ES08019172 T ES 08019172T ES 2582173 T3 ES2582173 T3 ES 2582173T3
Authority
ES
Spain
Prior art keywords
preparation
light colored
colored isocyanates
isocyanates
moles
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.)
Active
Application number
ES08019172.9T
Other languages
English (en)
Spanish (es)
Inventor
Herbert Dr. Stutz
Reinhard Dr. Halpaap
Tilak Suren Lewkebandara
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.)
Covestro Deutschland AG
Covestro LLC
Original Assignee
Covestro Deutschland AG
Covestro LLC
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 Covestro Deutschland AG, Covestro LLC filed Critical Covestro Deutschland AG
Application granted granted Critical
Publication of ES2582173T3 publication Critical patent/ES2582173T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES08019172.9T 2007-11-14 2008-11-03 Preparación de isocianatos de color claro Active ES2582173T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US300007P 2007-11-14 2007-11-14
US3000P 2007-11-14

Publications (1)

Publication Number Publication Date
ES2582173T3 true ES2582173T3 (es) 2016-09-09

Family

ID=40348488

Family Applications (1)

Application Number Title Priority Date Filing Date
ES08019172.9T Active ES2582173T3 (es) 2007-11-14 2008-11-03 Preparación de isocianatos de color claro

Country Status (8)

Country Link
US (1) US9382198B2 (https=)
EP (1) EP2060560B1 (https=)
JP (2) JP2009149614A (https=)
KR (1) KR101602495B1 (https=)
CN (1) CN101440046B (https=)
ES (1) ES2582173T3 (https=)
HU (1) HUE027861T2 (https=)
RU (1) RU2487865C2 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2028178A1 (de) * 2007-08-22 2009-02-25 Bayer MaterialScience AG Herstellung von Isocyanaten mit niedrigen Chlorgehalten
DE102009032414A1 (de) * 2009-07-09 2011-01-13 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
JP5787908B2 (ja) * 2010-03-18 2015-09-30 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ イソシアネートの生産方法
DE102010019342A1 (de) * 2010-05-05 2011-11-10 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
HUE025025T2 (en) * 2011-03-31 2016-04-28 Basf Se Process for the preparation of isocyanates
CN103922969B (zh) * 2014-04-10 2016-01-20 万华化学集团股份有限公司 一种制备颜色稳定的1,6-己二异氰酸酯的方法
EP3129353B1 (de) * 2014-04-11 2024-02-28 Covestro Deutschland AG Zusammensetzung zur herstellung transparenter polythiourethan-körper
WO2018050441A1 (de) * 2016-09-14 2018-03-22 Basf Se Verfahren zur hydrierung eines gemisches in gegenwart eines farblosen amins
CN110387031B (zh) * 2019-07-12 2021-06-29 万华化学集团股份有限公司 一种浅色异氰酸酯制备方法
EP3939960A1 (de) 2020-07-15 2022-01-19 Covestro Deutschland AG Verfahren zur gewinnung von diaminen aus wässrigen mischungen
EP4151619A1 (en) 2021-09-20 2023-03-22 Covestro Deutschland AG Method for the removal of water from and transport of aliphatic diamines
EP4151618A1 (en) 2021-09-20 2023-03-22 Covestro Deutschland AG Obtaining aliphatic amines from compositions
KR20250053185A (ko) 2022-11-17 2025-04-21 완후아 케미컬 그룹 코., 엘티디 이소시아네이트 조성물과 이의 제조방법 및 용도

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017331A (en) * 1959-04-15 1962-01-16 Chemstrand Corp Method for the purification of hexamethylenediamine
US3193472A (en) 1963-01-07 1965-07-06 Monsanto Co Process for the purification of hexamethylenediamine
US3859323A (en) * 1969-04-02 1975-01-07 Allied Chem Preparation of 4,4'-methylenebis (cyclohexylisocyanate)
DE3714439A1 (de) * 1987-04-30 1988-11-10 Bayer Ag Verfahren zur herstellung von (cyclo)aliphatischen diisocyanaten
DE4008074A1 (de) 1990-03-14 1991-09-19 Basf Ag Verfahren zur qualitaetsverbesserung von rohen diaminodiphenylmethanen
US5133838A (en) * 1991-02-28 1992-07-28 E. I. Du Pont De Nemours And Company Purification of 6-aminocapronitrile
US5386059A (en) * 1991-12-10 1995-01-31 Miles Inc. Process for preparing polyamines for lighter color polyisocyanate based foam
US5312971A (en) * 1992-07-23 1994-05-17 Miles Inc. Color reduction of polymethylene polyphenyl polyisocyanates
US5286760A (en) * 1992-10-09 1994-02-15 Miles, Inc. Process for reducing impurity levels in methylene diphenyamines
DE19711447A1 (de) * 1997-03-19 1998-09-24 Basf Ag Verfahren zur Herstellung von Isocyanaten mit heller Farbe
US5942151A (en) * 1997-11-20 1999-08-24 Bayer Corporation Polymeric MDI color
DE19812427A1 (de) * 1998-03-20 1999-09-23 Basf Ag Verfahren zur Abtrennung eines Azepin-Derivats aus einer Mischung enthaltend ein Amin und ein Azepin-Derivat
DE19928741A1 (de) * 1999-06-23 2000-12-28 Basf Ag Helle Isocyanate, Verfahren zu deren Herstellung und deren Verwendung
DE10025301A1 (de) 2000-05-22 2001-11-29 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur
US6248926B1 (en) * 2000-10-26 2001-06-19 E. I. Du Pont De Nemours And Company Recovery of hexamethylenediamine (HMD) with low polarographically reducible impurities (PRI) from mixtures of HMD, aminocapronitirle and PRI
DE10158160A1 (de) 2001-11-28 2003-06-12 Basf Ag Herstellung von Isocyanaten in der Gasphase
DE10223827A1 (de) * 2002-05-28 2003-12-11 Basf Ag Verfahren zur Reduzierung des Gehalts an einem ungesättigten Amin in einer Mischung enthaltend ein Aminonitril, ein Diamin, ein Dinitril oder deren Gemische
DE10235476A1 (de) * 2002-08-02 2004-02-12 Basf Ag Integriertes 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
DE10260082A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur kontinuierlichen Herstellung von Isocyanaten
DE10261187A1 (de) * 2002-12-20 2004-07-08 Basf Ag Verfahren zur Herstellung von Isocyanaten
US7060819B2 (en) * 2003-09-15 2006-06-13 Invista North America S.A.R.L. Process for producing hexamethylenediamine and aminocapronitrile from adiponitrile, wherein the hexamethylenediamine contains less than 100 ppm tetrahydroazepine
DE10359627A1 (de) * 2003-12-18 2005-07-21 Bayer Materialscience Ag Verfahren zur Herstellung von Diisocyanaten
US20070232827A1 (en) * 2004-05-25 2007-10-04 Basf Aktiengesellschaft Isocyanate Production Method
DE102004030164A1 (de) * 2004-06-22 2006-01-19 Basf Ag Verfahren zur Herstellung von Isocyanaten
JP4938007B2 (ja) * 2005-05-30 2012-05-23 ハンツマン・インターナショナル・エルエルシー ジフェニルメタン系ポリイソシアネートの製造法
DE102006004047A1 (de) * 2006-01-28 2007-08-02 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
US8030522B2 (en) * 2006-06-07 2011-10-04 Bayer Materialscience Llc Process for the production of toluene diisocyanate

Also Published As

Publication number Publication date
RU2487865C2 (ru) 2013-07-20
CN101440046A (zh) 2009-05-27
US9382198B2 (en) 2016-07-05
KR101602495B1 (ko) 2016-03-10
RU2008144792A (ru) 2010-05-20
JP2015110640A (ja) 2015-06-18
KR20090050002A (ko) 2009-05-19
HUE027861T2 (en) 2016-11-28
JP2009149614A (ja) 2009-07-09
US20090149671A1 (en) 2009-06-11
EP2060560B1 (en) 2016-04-13
CN101440046B (zh) 2013-09-18
EP2060560A1 (en) 2009-05-20

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