BE760485A - Procede de preparation de polyisocyanates stables contenant desgroupes biuret - Google Patents

Procede de preparation de polyisocyanates stables contenant desgroupes biuret

Info

Publication number
BE760485A
BE760485A BE760485A BE760485A BE760485A BE 760485 A BE760485 A BE 760485A BE 760485 A BE760485 A BE 760485A BE 760485 A BE760485 A BE 760485A BE 760485 A BE760485 A BE 760485A
Authority
BE
Belgium
Prior art keywords
polyisocyanates containing
biuret groups
preparing stable
containing biuret
stable polyisocyanates
Prior art date
Application number
BE760485A
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 BE760485A publication Critical patent/BE760485A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • 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
    • 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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE760485A 1969-12-17 1970-12-17 Procede de preparation de polyisocyanates stables contenant desgroupes biuret BE760485A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691963190 DE1963190B2 (de) 1969-12-17 1969-12-17 Verfahren zur herstellung von stabilen biuretgruppenhaltigen polyisocyanaten und deren verwendung

Publications (1)

Publication Number Publication Date
BE760485A true BE760485A (fr) 1971-05-27

Family

ID=5754099

Family Applications (1)

Application Number Title Priority Date Filing Date
BE760485A BE760485A (fr) 1969-12-17 1970-12-17 Procede de preparation de polyisocyanates stables contenant desgroupes biuret

Country Status (6)

Country Link
JP (1) JPS4840345B1 (xx)
BE (1) BE760485A (xx)
DE (1) DE1963190B2 (xx)
FR (1) FR2073959A5 (xx)
GB (1) GB1335198A (xx)
NL (1) NL7018344A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836424A (en) * 1972-07-18 1974-09-17 R Grieve Polyisocyanurate foam articles
JPS53162054U (xx) * 1977-05-27 1978-12-19
JPS59220130A (ja) * 1983-05-26 1984-12-11 工藤　和子 植木鉢
JPS59220129A (ja) * 1983-05-28 1984-12-11 工藤　和子 植木鉢
GB8913196D0 (en) * 1989-06-08 1989-07-26 Ici Gmbh Polyisocyanate and polyol composition
DE102009038463A1 (de) * 2009-08-21 2011-02-24 Bayer Materialscience Ag Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur

Also Published As

Publication number Publication date
FR2073959A5 (xx) 1971-10-01
JPS4840345B1 (xx) 1973-11-30
NL7018344A (xx) 1971-06-21
GB1335198A (en) 1973-10-24
DE1963190A1 (de) 1971-06-24
DE1963190B2 (de) 1977-06-16

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