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GB1399676A - Process for producing 2,4-toluylenediisocyanate dimer - Google Patents

Process for producing 2,4-toluylenediisocyanate dimer

Info

Publication number
GB1399676A
GB1399676A GB4717873A GB4717873A GB1399676A GB 1399676 A GB1399676 A GB 1399676A GB 4717873 A GB4717873 A GB 4717873A GB 4717873 A GB4717873 A GB 4717873A GB 1399676 A GB1399676 A GB 1399676A
Authority
GB
United Kingdom
Prior art keywords
toluylenediisocyanate
dimer
producing
zolotarevskaya
molev
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
GB4717873A
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.)
Bakhitov M I
Original Assignee
Bakhitov M I
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 Bakhitov M I filed Critical Bakhitov M I
Priority to GB4717873A priority Critical patent/GB1399676A/en
Publication of GB1399676A publication Critical patent/GB1399676A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D229/00—Heterocyclic compounds containing rings of less than five members having two nitrogen atoms as the only ring hetero atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/798—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing urethdione groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

1399676 2,4-Toluylenediisocyanate dimer M I BAKHITOV E V KUZNETSOV N N ZOLOTAREVSKAYA N A POPOVA V G GOLOV J A RODIONOV I I MOLEV and V M KOTLYARSKY 9 Oct 1973 47178/73 Heading C2C 2,4-Toluylenediisocyanate dimer is prepared by dimerizing 2,4-toluylenediisocyanate in the presence of a trialkylphosphite as a catalyst in an amount of 2 to 5% by weight of the 2,4- toluylenediisocyanate and at from 15‹ to 60‹ C.
GB4717873A 1973-10-09 1973-10-09 Process for producing 2,4-toluylenediisocyanate dimer Expired GB1399676A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4717873A GB1399676A (en) 1973-10-09 1973-10-09 Process for producing 2,4-toluylenediisocyanate dimer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4717873A GB1399676A (en) 1973-10-09 1973-10-09 Process for producing 2,4-toluylenediisocyanate dimer

Publications (1)

Publication Number Publication Date
GB1399676A true GB1399676A (en) 1975-07-02

Family

ID=10444034

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4717873A Expired GB1399676A (en) 1973-10-09 1973-10-09 Process for producing 2,4-toluylenediisocyanate dimer

Country Status (1)

Country Link
GB (1) GB1399676A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee