GB1038129A - Manufacture of organic polyisocyanates - Google Patents

Manufacture of organic polyisocyanates

Info

Publication number
GB1038129A
GB1038129A GB2231164A GB2231164A GB1038129A GB 1038129 A GB1038129 A GB 1038129A GB 2231164 A GB2231164 A GB 2231164A GB 2231164 A GB2231164 A GB 2231164A GB 1038129 A GB1038129 A GB 1038129A
Authority
GB
United Kingdom
Prior art keywords
manufacture
organic polyisocyanates
polyamine
hydrochloride
methyldiphenylmethane
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.)
Expired
Application number
GB2231164A
Inventor
Andrew John Nicholas
Harry James Twitchett
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB2231164A priority Critical patent/GB1038129A/en
Priority to NL6506776A priority patent/NL6506776A/xx
Priority to FR18775A priority patent/FR1434870A/en
Publication of GB1038129A publication Critical patent/GB1038129A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
    • B01J19/1881—Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • 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)

Abstract

In a continuous process for the manufacture of organic polyisocyanates, a polyamine hydrochloride is formed by reaction between HCl and a solution of polyamine in an inert solvent at a temperature up to 50 DEG C. and the hydrochloride reacted with phosgene. Diisocyanates derived from benzene, toluene, diphenylmethane, 3-methyldiphenylmethane, biphenyl and naphthalene are specified.
GB2231164A 1964-05-29 1964-05-29 Manufacture of organic polyisocyanates Expired GB1038129A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2231164A GB1038129A (en) 1964-05-29 1964-05-29 Manufacture of organic polyisocyanates
NL6506776A NL6506776A (en) 1964-05-29 1965-05-28
FR18775A FR1434870A (en) 1964-05-29 1965-05-28 Continuous process for the production of organic isocyanates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2231164A GB1038129A (en) 1964-05-29 1964-05-29 Manufacture of organic polyisocyanates

Publications (1)

Publication Number Publication Date
GB1038129A true GB1038129A (en) 1966-08-03

Family

ID=44840513

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2231164A Expired GB1038129A (en) 1964-05-29 1964-05-29 Manufacture of organic polyisocyanates

Country Status (3)

Country Link
FR (1) FR1434870A (en)
GB (1) GB1038129A (en)
NL (1) NL6506776A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5136086A (en) * 1989-10-23 1992-08-04 Mitsui Toatsu Chemicals, Inc. Preparation process of aliphatic isocyanate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5136086A (en) * 1989-10-23 1992-08-04 Mitsui Toatsu Chemicals, Inc. Preparation process of aliphatic isocyanate

Also Published As

Publication number Publication date
FR1434870A (en) 1966-04-08
NL6506776A (en) 1965-11-30

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