BE845425A - Procede pour convertir en partie des groupes isocyanate organiques en groupes carbodiimide - Google Patents

Procede pour convertir en partie des groupes isocyanate organiques en groupes carbodiimide

Info

Publication number
BE845425A
BE845425A BE170000A BE170000A BE845425A BE 845425 A BE845425 A BE 845425A BE 170000 A BE170000 A BE 170000A BE 170000 A BE170000 A BE 170000A BE 845425 A BE845425 A BE 845425A
Authority
BE
Belgium
Prior art keywords
groups
converting
organic isocyanate
carbodiimide
isocyanate groups
Prior art date
Application number
BE170000A
Other languages
English (en)
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 filed Critical
Publication of BE845425A publication Critical patent/BE845425A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/16Preparation of derivatives of isocyanic acid by reactions not involving the formation of isocyanate groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
    • C07C273/1872Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/77Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78Nitrogen
    • C08G18/79Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00Manufacture of cellular products
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0033Foam properties having integral skins
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/901Cellular polymer containing a carbodiimide structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BE170000A 1975-08-23 1976-08-23 Procede pour convertir en partie des groupes isocyanate organiques en groupes carbodiimide BE845425A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2537685A DE2537685C2 (de) 1975-08-23 1975-08-23 Verfahren zur teilweisen Carbodiimidisierung der Isocyanatgruppen von organischen Polyisocyanaten

Publications (1)

Publication Number Publication Date
BE845425A true BE845425A (fr) 1977-02-23

Family

ID=5954738

Family Applications (1)

Application Number Title Priority Date Filing Date
BE170000A BE845425A (fr) 1975-08-23 1976-08-23 Procede pour convertir en partie des groupes isocyanate organiques en groupes carbodiimide

Country Status (8)

Country Link
US (1) US4088665A (fr)
JP (1) JPS6049627B2 (fr)
BE (1) BE845425A (fr)
DE (1) DE2537685C2 (fr)
ES (1) ES450852A1 (fr)
FR (1) FR2322129A1 (fr)
GB (1) GB1505617A (fr)
IT (1) IT1076469B (fr)

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WO2025131996A1 (fr) 2023-12-21 2025-06-26 Covestro Deutschland Ag Composé contenant des groupes hydroxyle oxymiques et son procédé de préparation
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Also Published As

Publication number Publication date
IT1076469B (it) 1985-04-27
US4088665A (en) 1978-05-09
GB1505617A (en) 1978-03-30
JPS6049627B2 (ja) 1985-11-02
ES450852A1 (es) 1977-08-16
FR2322129A1 (fr) 1977-03-25
DE2537685A1 (de) 1977-03-03
FR2322129B1 (fr) 1980-05-23
JPS5227703A (en) 1977-03-02
DE2537685C2 (de) 1989-04-06

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