CA964276A - Process for the production of allophanate polyisocyanates - Google Patents

Process for the production of allophanate polyisocyanates

Info

Publication number
CA964276A
CA964276A CA105,560A CA105560A CA964276A CA 964276 A CA964276 A CA 964276A CA 105560 A CA105560 A CA 105560A CA 964276 A CA964276 A CA 964276A
Authority
CA
Canada
Prior art keywords
production
allophanate polyisocyanates
allophanate
polyisocyanates
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
CA105,560A
Other languages
English (en)
Other versions
CA105560S (en
Inventor
Erwin Windemuth
Ulrich Trense
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.)
Bayer AG
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
Application granted granted Critical
Publication of CA964276A publication Critical patent/CA964276A/en
Expired legal-status Critical Current

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)
CA105,560A 1970-02-27 1971-02-16 Process for the production of allophanate polyisocyanates Expired CA964276A (en)

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
CA964276A true CA964276A (en) 1975-03-11

Family

ID=25758717

Family Applications (1)

Application Number Title Priority Date Filing Date
CA105,560A Expired CA964276A (en) 1970-02-27 1971-02-16 Process for the production of allophanate polyisocyanates

Country Status (9)

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

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Also Published As

Publication number Publication date
GB1296652A (zh) 1972-11-15
CH544786A (de) 1973-11-30
BE763529A (fr) 1971-07-16
DE2040645B2 (de) 1973-02-15
US3769318A (en) 1973-10-30
DE2009179C3 (de) 1974-07-11
FR2079148A5 (zh) 1971-11-05
DE2009179A1 (de) 1971-09-16
NL7102524A (zh) 1971-08-31
DE2040645A1 (de) 1972-03-09
AT302355B (de) 1972-10-10
DE2040645C3 (de) 1975-08-28

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