PT1686112T - Processo para destilação de uma mistura de diisocianato-difenilimetanos isoméricos - Google Patents

Processo para destilação de uma mistura de diisocianato-difenilimetanos isoméricos

Info

Publication number
PT1686112T
PT1686112T PT60008836T PT06000883T PT1686112T PT 1686112 T PT1686112 T PT 1686112T PT 60008836 T PT60008836 T PT 60008836T PT 06000883 T PT06000883 T PT 06000883T PT 1686112 T PT1686112 T PT 1686112T
Authority
PT
Portugal
Prior art keywords
distilling
mixture
isomeric diisocyanatodiphenylmethanes
diisocyanatodiphenylmethanes
isomeric
Prior art date
Application number
PT60008836T
Other languages
English (en)
Inventor
Schal Hans-Peter
Wolf Ulrich
Original Assignee
Covestro Deutschland 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 Covestro Deutschland Ag filed Critical Covestro Deutschland Ag
Publication of PT1686112T publication Critical patent/PT1686112T/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
PT60008836T 2005-01-29 2006-01-17 Processo para destilação de uma mistura de diisocianato-difenilimetanos isoméricos PT1686112T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005004170A DE102005004170A1 (de) 2005-01-29 2005-01-29 Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane

Publications (1)

Publication Number Publication Date
PT1686112T true PT1686112T (pt) 2019-10-10

Family

ID=35809784

Family Applications (1)

Application Number Title Priority Date Filing Date
PT60008836T PT1686112T (pt) 2005-01-29 2006-01-17 Processo para destilação de uma mistura de diisocianato-difenilimetanos isoméricos

Country Status (11)

Country Link
US (1) US7521576B2 (pt)
EP (1) EP1686112B1 (pt)
JP (1) JP5001558B2 (pt)
KR (1) KR101359425B1 (pt)
CN (1) CN1810776A (pt)
BR (1) BRPI0600167A (pt)
DE (1) DE102005004170A1 (pt)
HU (1) HUE045265T2 (pt)
PT (1) PT1686112T (pt)
SG (1) SG124404A1 (pt)
TW (1) TW200639143A (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110172458A1 (en) * 2008-10-02 2011-07-14 Dow Global Technologies Llc Apparatus, Systems, and Methods for Purification of Isocyanate Mixtures
US9505711B2 (en) 2010-11-17 2016-11-29 Basf Se Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate
BR112013012255A2 (pt) 2010-11-17 2016-08-09 Basf Se processo para preparar di - isocianato de metileno difenila
US20120123153A1 (en) * 2010-11-17 2012-05-17 Basf Se Method for purifying mixtures comprising 4,4'-methylenediphenyl diisocyanate
US8907124B2 (en) 2010-11-17 2014-12-09 Basf Se Process for preparing methylenedi(phenyl isocyanate)
JP6046043B2 (ja) 2010-11-17 2016-12-14 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ ４，４’−メチレンジフェニルジイソシアネートを含む混合物を精錬するための方法
HUE030678T2 (hu) 2010-11-17 2017-05-29 Basf Se Eljárás 4,4'-metilén-difenil-diizocianátot tartalmazó keverékek tisztítására
EP2785685B1 (en) * 2011-11-30 2017-09-27 Dow Global Technologies LLC Process for the production of methylene diphenyl diisocyanate isomer mixtures with high 2,4'- methylene diphenyl diisocyanate purity
CN106458842B (zh) 2014-06-24 2020-02-11 科思创德国股份有限公司 具有运行中断的用于制备化学产物的方法
CN105457324B (zh) 2014-08-20 2019-12-27 科思创德国股份有限公司 隔板精馏塔
CN109563028B (zh) 2016-08-17 2021-11-19 科思创德国股份有限公司 在生产联合体中制备异氰酸酯和至少一种其他化学产品的方法
CN109535383B (zh) * 2017-09-21 2022-07-15 科思创德国股份有限公司 一种二异氰酸酯组合物及其应用
HUE057045T2 (hu) 2018-01-05 2022-04-28 Covestro Intellectual Property Gmbh & Co Kg Eljárás metilén-difenilén-diizocianátok és polimetilén-polifenilén-poliizocianátok elõállítására

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471134A (en) 1946-07-17 1949-05-24 Standard Oil Dev Co Fractionation apparatus
DE2631168B2 (de) * 1976-07-10 1979-03-08 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Diisocyanatodiphenylmethan-Isomeren mit einem eingestellten Gehalt an Chlorverbindungen
US4189354A (en) 1976-07-10 1980-02-19 Bayer Aktiengesellschaft Process for the production of diisocyanatodiphenyl methane isomers with an adjusted content of chlorine compounds
DE10111337A1 (de) 2001-03-08 2002-09-12 Basf Ag Verfahren zur Herstellung von MDI, insbesondere von 2.4'-MDI
US7913183B2 (en) * 2002-10-08 2011-03-22 Microsoft Corporation System and method for managing software applications in a graphical user interface
DE60214195T2 (de) * 2002-10-22 2007-10-04 Bayer Materialscience Ag Verfahren zur Reinigung von Diisocyanatotoluol unter Verwendung einer Destillationskolonne mit Trennwand in der Endreinigung
DE10260092A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur Reinigung von Isocyanaten
EP1475367B1 (de) 2003-05-08 2010-07-07 Bayer MaterialScience AG Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane

Also Published As

Publication number Publication date
TW200639143A (en) 2006-11-16
CN1810776A (zh) 2006-08-02
EP1686112A1 (de) 2006-08-02
KR20060087469A (ko) 2006-08-02
BRPI0600167A (pt) 2006-09-19
US20060173206A1 (en) 2006-08-03
US7521576B2 (en) 2009-04-21
SG124404A1 (en) 2006-08-30
EP1686112B1 (de) 2019-06-26
KR101359425B1 (ko) 2014-02-07
JP5001558B2 (ja) 2012-08-15
HUE045265T2 (hu) 2019-12-30
DE102005004170A1 (de) 2006-08-03
JP2006206593A (ja) 2006-08-10

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