AR192660A1 - Procedimiento para la purificacion continua de isocianatos organicos crudos - Google Patents

Procedimiento para la purificacion continua de isocianatos organicos crudos

Info

Publication number
AR192660A1
AR192660A1 AR24332572A AR24332572A AR192660A1 AR 192660 A1 AR192660 A1 AR 192660A1 AR 24332572 A AR24332572 A AR 24332572A AR 24332572 A AR24332572 A AR 24332572A AR 192660 A1 AR192660 A1 AR 192660A1
Authority
AR
Argentina
Prior art keywords
procedure
organic isocyanates
continuous purification
raw organic
raw
Prior art date
Application number
AR24332572A
Other languages
English (en)
Spanish (es)
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.)
Filing date
Publication date
Application filed by Ici Ltd filed Critical Ici Ltd
Application granted granted Critical
Publication of AR192660A1 publication Critical patent/AR192660A1/es

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)
AR24332572A 1971-07-30 1972-07-28 Procedimiento para la purificacion continua de isocianatos organicos crudos AR192660A1 (es)

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
AR192660A1 true AR192660A1 (es) 1973-02-28

Family

ID=10383572

Family Applications (1)

Application Number Title Priority Date Filing Date
AR24332572A AR192660A1 (es) 1971-07-30 1972-07-28 Procedimiento para la purificacion continua de isocianatos organicos crudos

Country Status (8)

Country Link
AR (1) AR192660A1 (cs)
AU (1) AU4478672A (cs)
BE (1) BE786596A (cs)
DE (1) DE2237552A1 (cs)
FR (1) FR2149148A5 (cs)
GB (1) GB1362708A (cs)
IT (1) IT972163B (cs)
NL (1) NL7210432A (cs)

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)
DE19914292A1 (de) 1999-03-30 2000-10-05 Bayer Ag Verfahren zur Verringerung des Chlorgehaltes von organischen Isocyanaten
DE19914291A1 (de) 1999-03-30 2000-10-05 Bayer Ag Verfahren zur Absenkung des Chlorgehaltes von niedermolekularen 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
KR101489098B1 (ko) * 2012-01-25 2015-02-02 아사히 가세이 케미칼즈 가부시키가이샤 분리 방법
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
FR2149148A5 (cs) 1973-03-23
AU4478672A (en) 1974-01-24
DE2237552A1 (de) 1973-02-15
NL7210432A (cs) 1973-02-01
IT972163B (it) 1974-05-20
BE786596A (fr) 1973-01-22
GB1362708A (en) 1974-08-07

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