BE786596A - Purification d'isocyanates organiques - Google Patents

Purification d'isocyanates organiques

Info

Publication number
BE786596A
BE786596A BE786596DA BE786596A BE 786596 A BE786596 A BE 786596A BE 786596D A BE786596D A BE 786596DA BE 786596 A BE786596 A BE 786596A
Authority
BE
Belgium
Prior art keywords
purification
organic isocyanates
isocyanates
organic
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Ici Ltd
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.)
Publication date
Publication of BE786596A publication Critical patent/BE786596A/xx

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)
BE786596D 1971-07-30 Purification d'isocyanates organiques BE786596A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3597571A GB1362708A (en) 1971-07-30 1971-07-30 Process for the purification of organic isocyanates

Publications (1)

Publication Number Publication Date
BE786596A true BE786596A (fr) 1973-01-22

Family

ID=10383572

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786596D BE786596A (fr) 1971-07-30 Purification d'isocyanates organiques

Country Status (8)

Country Link
AR (1) AR192660A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU4478672A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE786596A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2237552A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2149148A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1362708A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT972163B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7210432A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2625742B1 (fr) * 1988-01-13 1990-06-22 Rhone Poulenc Chimie Procede de separation du toluene diisocyanate contenu dans les residus de sa fabrication
RU2128674C1 (ru) * 1997-03-25 1999-04-10 Закрытое акционерное общество Научно-производственное объединение "Видис" Способ получения полиизоцианата и изоцианатная композиция (варианты)
DE19914291A1 (de) 1999-03-30 2000-10-05 Bayer Ag Verfahren zur Absenkung des Chlorgehaltes von niedermolekularen Isocyanaten
DE19914292A1 (de) 1999-03-30 2000-10-05 Bayer Ag Verfahren zur Verringerung des Chlorgehaltes von organischen Isocyanaten
DE19922572A1 (de) 1999-05-17 2000-11-23 Bayer Ag Verfahren zur Reinigung von organischen Isocyanaten, die so gereinigten organischen Isocyanate und ihre Verwendung
DE10333929A1 (de) 2003-07-25 2005-02-24 Bayer Materialscience Ag Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat
RU2300519C1 (ru) * 2005-09-07 2007-06-10 ОАО "Тольяттиазот" Полиизоцианатная композиция
CN104093701B (zh) 2012-01-25 2017-05-03 旭化成株式会社 分离方法
CN117658863A (zh) * 2023-12-07 2024-03-08 万华化学集团股份有限公司 一种光气化法制备异氰酸酯单体的方法

Also Published As

Publication number Publication date
NL7210432A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-02-01
FR2149148A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-03-23
GB1362708A (en) 1974-08-07
AR192660A1 (es) 1973-02-28
IT972163B (it) 1974-05-20
DE2237552A1 (de) 1973-02-15
AU4478672A (en) 1974-01-24

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