SG108977A1 - Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4'-methylenediphenyl diisocyanate and 2,4'-methylenediphenyl diisocyanate - Google Patents

Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4'-methylenediphenyl diisocyanate and 2,4'-methylenediphenyl diisocyanate

Info

Publication number
SG108977A1
SG108977A1 SG200404322A SG200404322A SG108977A1 SG 108977 A1 SG108977 A1 SG 108977A1 SG 200404322 A SG200404322 A SG 200404322A SG 200404322 A SG200404322 A SG 200404322A SG 108977 A1 SG108977 A1 SG 108977A1
Authority
SG
Singapore
Prior art keywords
methylenediphenyl diisocyanate
diisocyanates
polyisocyanates
mixtures
production
Prior art date
Application number
SG200404322A
Other languages
English (en)
Inventor
Hans-Georg Pirkl Dr
Ulrich Liman Dr
Robert Vieler Dr
Ralf Echterhoff Dr
Original Assignee
Bayer Materialscience 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 Materialscience Ag filed Critical Bayer Materialscience Ag
Publication of SG108977A1 publication Critical patent/SG108977A1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/10Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/18Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/18Separation; Purification; Stabilisation; Use of additives
    • C07C263/20Separation; Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00Derivatives of isocyanic acid
    • C07C265/12Derivatives of isocyanic acid having isocyanate groups bound to carbon atoms of six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00Derivatives of isocyanic acid
    • C07C265/14Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
SG200404322A 2003-07-25 2004-07-22 Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4'-methylenediphenyl diisocyanate and 2,4'-methylenediphenyl diisocyanate SG108977A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10333929A DE10333929A1 (de) 2003-07-25 2003-07-25 Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat

Publications (1)

Publication Number Publication Date
SG108977A1 true SG108977A1 (en) 2005-02-28

Family

ID=33560261

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200404322A SG108977A1 (en) 2003-07-25 2004-07-22 Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4'-methylenediphenyl diisocyanate and 2,4'-methylenediphenyl diisocyanate

Country Status (13)

Country Link
US (1) US7038002B2 (zh)
EP (1) EP1506957B1 (zh)
JP (1) JP4567390B2 (zh)
KR (1) KR101093844B1 (zh)
CN (3) CN100522933C (zh)
BR (1) BRPI0403018A (zh)
CA (1) CA2475662C (zh)
DE (1) DE10333929A1 (zh)
HK (2) HK1072932A1 (zh)
HU (1) HUE031035T2 (zh)
PT (1) PT1506957T (zh)
SG (1) SG108977A1 (zh)
TW (1) TWI325856B (zh)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005026864A1 (de) * 2005-06-10 2006-12-14 Bayer Materialscience Ag Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat
US7790907B2 (en) 2006-07-21 2010-09-07 Basf Corporation Method of producing a uretonimine-modified isocyanate composition
US20080085987A1 (en) * 2006-10-05 2008-04-10 Thomas Savino Method of producing a uretonimine-modified isocyanate composition
EP2042485A1 (en) * 2007-09-28 2009-04-01 Huntsman International Llc Process for fractionating a mixture of polyisocyanates
DK2262842T3 (en) * 2008-03-28 2018-03-05 Polytex Sportbelaege Produktions Gmbh 2,2'-MDI-BASED ISOCYANATE MIXTURES AND THE PREPARATION AND APPLICATION OF THEREOF
WO2010149544A2 (en) * 2009-06-26 2010-12-29 Basf Se Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation
US9090540B2 (en) 2010-09-24 2015-07-28 Dow Global Technologies Llc Process for the production of methylene diphenyl diisocyanate isomer mixtures with specific isomer distributions and new products derived
BR112013012094A2 (pt) 2010-11-17 2016-08-16 Basf Se método para a purifação de misturas
US8907124B2 (en) 2010-11-17 2014-12-09 Basf Se Process for preparing methylenedi(phenyl isocyanate)
EP2640695B1 (de) 2010-11-17 2015-01-07 Basf Se Verfahren zur aufreinigung von 4,4'-methylendiphenyldiisocyanat enthaltenden mischungen
US9505711B2 (en) 2010-11-17 2016-11-29 Basf Se Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate
PT2640694T (pt) 2010-11-17 2019-04-29 Basf Se Processo para a preparação de metileno difenil diisocianato
WO2015144658A1 (de) 2014-03-27 2015-10-01 Bayer Materialscience Ag Verfahren zur herstellung von isocyanaten
US10577311B2 (en) 2015-09-24 2020-03-03 Covestro Deutschland Ag Method for producing isocyanates
CN108137488B (zh) 2015-09-30 2021-02-26 科思创德国股份有限公司 制备异氰酸酯的方法
PT3735405T (pt) * 2018-01-05 2021-12-29 Covestro Intellectual Property Gmbh & Co Kg Processo para fabrico de di-isocianatos de metilenodifenileno e poli-isocianatos de polimetileno-polifenileno
CN113474388B (zh) * 2019-02-07 2024-03-22 陶氏环球技术有限责任公司 异氰酸苯酯转化方法
WO2021122625A1 (de) 2019-12-18 2021-06-24 Covestro Deutschland Ag Verfahren zur herstellung von di- und polyisocyanaten der diphenylmethanreihe
CN111961185B (zh) * 2020-08-27 2022-07-12 万华化学集团股份有限公司 一种多亚甲基多苯基多异氰酸酯组合物及其制备方法
CN112225678B (zh) * 2020-09-30 2022-09-20 万华化学集团股份有限公司 一种制备活性稳定的异氰酸酯的方法及异氰酸酯
KR20230109176A (ko) 2020-11-23 2023-07-19 바스프 에스이 이소시아네이트의 제조 방법
CN114044746A (zh) * 2021-12-07 2022-02-15 万华化学集团股份有限公司 一种低pi类物质含量异氰酸酯及其制备方法
WO2024106985A1 (ko) * 2022-11-16 2024-05-23 한화솔루션 주식회사 자일렌 디이소시아네이트 조성물 및 이의 제조방법

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE271820C (zh) 1906-01-30 1900-01-01
BE755243Q (fr) * 1965-07-08 1971-02-01 Upjohn Co Procedes de fabrication d'isocyanates et de polyisocyanates
GB1114690A (en) 1966-05-26 1968-05-22 Ici Ltd Stabilisation process
BE786596A (fr) 1971-07-30 1973-01-22 Ici Ltd Purification d'isocyanates organiques
US3793362A (en) 1971-10-18 1974-02-19 Upjohn Co Reduction of acidic impurities in polymethylene polyphenylisocyanates
US3857871A (en) 1972-01-03 1974-12-31 Upjohn Co Process for reducing the acidity and hydrolyzable chloride content of polyisocyanates
US3799963A (en) 1972-05-12 1974-03-26 Olin Corp Purification of isocyanates reducing the hydrolyzable chlorine and acid content
US3887502A (en) 1972-05-12 1975-06-03 Olin Corp Preparation of rigid polyurethane foam having improved aging properties
US4189443A (en) 1974-04-26 1980-02-19 Bayer Aktiengesellschaft Method for making a polyamine
US3912600A (en) 1974-05-09 1975-10-14 Upjohn Co Recovery of polymethylene polyphenyl polyisocyanate from a phoshenosed polyamine feed
US3925437A (en) 1974-07-18 1975-12-09 Jefferson Chem Co Inc Reduction of acidity of organic polymeric isocyanates
DE2750975A1 (de) 1976-11-19 1978-05-24 Mobay Chemical Corp Verfahren zur herstellung von polyaminen der diphenylmethan-reihe
CA1137514A (en) 1978-01-25 1982-12-14 Willi Eifler Process for the preparation of polyamines of the diphenyl methane series which are rich in ortho isomers
DE3145010A1 (de) 1981-11-12 1983-05-19 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4,4'-diisocyanatodiphenylmethan
DE3407494A1 (de) 1984-03-01 1985-09-05 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyaminen und ihre verwendung zur herstellung von polyisocyanaten
JP2875877B2 (ja) 1990-10-23 1999-03-31 三井化学株式会社 メチレン架橋ポリフェニレンポリイソシアネートの製造方法
US5258417A (en) 1992-12-28 1993-11-02 Basf Corporation Low viscosity polymeric MDI
DE19804915A1 (de) * 1998-02-07 1999-08-12 Basf Ag Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)
AUPP268898A0 (en) * 1998-03-31 1998-04-23 Cardiac Crc Nominees Pty Limited High modulus polyurethane compositions
DE10111337A1 (de) * 2001-03-08 2002-09-12 Basf Ag Verfahren zur Herstellung von MDI, insbesondere von 2.4'-MDI
DE10260093A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch

Also Published As

Publication number Publication date
JP2005041874A (ja) 2005-02-17
CN100535028C (zh) 2009-09-02
BRPI0403018A (pt) 2005-07-12
TW200521106A (en) 2005-07-01
CN1995013A (zh) 2007-07-11
EP1506957B1 (de) 2016-08-24
HK1101592A1 (en) 2007-10-18
HK1072932A1 (en) 2005-09-16
JP4567390B2 (ja) 2010-10-20
US20050020797A1 (en) 2005-01-27
DE10333929A1 (de) 2005-02-24
TWI325856B (en) 2010-06-11
CA2475662C (en) 2012-05-22
CN1995013B (zh) 2010-06-02
PT1506957T (pt) 2016-11-18
CA2475662A1 (en) 2005-01-25
KR20050012670A (ko) 2005-02-02
CN100522933C (zh) 2009-08-05
CN1590370A (zh) 2005-03-09
KR101093844B1 (ko) 2011-12-13
US7038002B2 (en) 2006-05-02
EP1506957A1 (de) 2005-02-16
CN1995091A (zh) 2007-07-11
HUE031035T2 (en) 2017-06-28

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