BE763529A - Procede de preparation d'allophanate-polyisocyanates - Google Patents

Procede de preparation d'allophanate-polyisocyanates

Info

Publication number
BE763529A
BE763529A BE763529A BE763529A BE763529A BE 763529 A BE763529 A BE 763529A BE 763529 A BE763529 A BE 763529A BE 763529 A BE763529 A BE 763529A BE 763529 A BE763529 A BE 763529A
Authority
BE
Belgium
Prior art keywords
polyisocyanates
allophanate
preparing
preparing allophanate
Prior art date
Application number
BE763529A
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 BE763529A publication Critical patent/BE763529A/xx

Links

Classifications

    • 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
    • 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
    • C07C273/1836—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 derivatives of carbamic acid
    • 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
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/7837—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing allophanate groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE763529A 1970-02-27 1971-02-26 Procede de preparation d'allophanate-polyisocyanates BE763529A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2009179A DE2009179C3 (de) 1970-02-27 1970-02-27 Verfahren zur Herstellung von Allophanatpoly isocy anaten
DE2040645A DE2040645C3 (de) 1970-02-27 1970-08-17 Verfahren zur Herstellung von Allophanatpolyisocyanaten

Publications (1)

Publication Number Publication Date
BE763529A true BE763529A (fr) 1971-07-16

Family

ID=25758717

Family Applications (1)

Application Number Title Priority Date Filing Date
BE763529A BE763529A (fr) 1970-02-27 1971-02-26 Procede de preparation d'allophanate-polyisocyanates

Country Status (9)

Country Link
US (1) US3769318A (ja)
AT (1) AT302355B (ja)
BE (1) BE763529A (ja)
CA (1) CA964276A (ja)
CH (1) CH544786A (ja)
DE (2) DE2009179C3 (ja)
FR (1) FR2079148A5 (ja)
GB (1) GB1296652A (ja)
NL (1) NL7102524A (ja)

Families Citing this family (129)

* Cited by examiner, † Cited by third party
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US5561200A (en) 1995-05-23 1996-10-01 Bayer Corporation Blocked polyisocyanates with improved thermal stability
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Also Published As

Publication number Publication date
NL7102524A (ja) 1971-08-31
FR2079148A5 (ja) 1971-11-05
CH544786A (de) 1973-11-30
DE2040645B2 (de) 1973-02-15
US3769318A (en) 1973-10-30
DE2040645A1 (de) 1972-03-09
AT302355B (de) 1972-10-10
DE2040645C3 (de) 1975-08-28
GB1296652A (ja) 1972-11-15
DE2009179C3 (de) 1974-07-11
DE2009179A1 (de) 1971-09-16
CA964276A (en) 1975-03-11

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