BE763856A - Procede de preparation de polyisocyanates stables a groupes biuret - Google Patents

Procede de preparation de polyisocyanates stables a groupes biuret

Info

Publication number
BE763856A
BE763856A BE763856A BE763856A BE763856A BE 763856 A BE763856 A BE 763856A BE 763856 A BE763856 A BE 763856A BE 763856 A BE763856 A BE 763856A BE 763856 A BE763856 A BE 763856A
Authority
BE
Belgium
Prior art keywords
biuret groups
preparing stable
stable polyisocyanates
polyisocyanates
preparing
Prior art date
Application number
BE763856A
Other languages
English (en)
French (fr)
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BE763856A publication Critical patent/BE763856A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18—Preparation 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
    • C07C273/1854—Preparation 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 by reactions not involving the formation of the N-C(O)-N- moiety
    • C07C273/1863—Preparation 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 by reactions not involving the formation of the N-C(O)-N- moiety from urea
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18—Preparation 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
    • C07C273/1809—Preparation 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 with formation of the N-C(O)-N moiety
    • C07C273/1818—Preparation 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 with formation of the N-C(O)-N moiety from -N=C=O and XNR'R"
    • C07C273/1827—X being H
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18—Preparation 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
    • C07C273/1872—Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
    • 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
    • C08G18/7806—Nitrogen containing -N-C=0 groups
    • C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups
    • 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
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8038—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3225

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)
BE763856A 1970-03-07 1971-03-05 Procede de preparation de polyisocyanates stables a groupes biuret BE763856A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702010887 DE2010887A1 (de) 1970-03-07 1970-03-07 Verfahren zur Herstellung von stabilen biuretgruppenhaltigen Polyisocyanaten

Publications (1)

Publication Number Publication Date
BE763856A true BE763856A (fr) 1971-08-02

Family

ID=5764445

Family Applications (1)

Application Number Title Priority Date Filing Date
BE763856A BE763856A (fr) 1970-03-07 1971-03-05 Procede de preparation de polyisocyanates stables a groupes biuret

Country Status (6)

Country Link
BE (1) BE763856A (xx)
CA (1) CA935151A (xx)
DE (1) DE2010887A1 (xx)
FR (1) FR2081771B1 (xx)
GB (1) GB1321930A (xx)
NL (1) NL7102992A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2261065C2 (de) * 1972-12-14 1982-04-01 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von stabilen Biuretgruppen aufweisenden Polyisocyanaten
DE2856864A1 (de) * 1978-12-30 1980-07-24 Bayer Ag Neue polyisocyanate, ein verfahren zu ihrer herstellung und ihre verwendung
DE10322911A1 (de) * 2003-05-21 2004-12-16 Bayer Materialscience Ag Verfestigungsstabile blockierte Polyisocyanate
US7378543B2 (en) 2003-07-24 2008-05-27 Bayer Materialscience Llc Stable liquid biuret modified and biuret allophanate modified toluene diisocyanates, prepolymers thereof, and processes for their preparation

Also Published As

Publication number Publication date
GB1321930A (en) 1973-07-04
FR2081771B1 (xx) 1976-03-19
CA935151A (en) 1973-10-09
FR2081771A1 (xx) 1971-12-10
DE2010887A1 (de) 1971-09-30
NL7102992A (xx) 1971-09-09

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