BE854252A - Procede de preparation de polyisocyanates a groupes biuret - Google Patents

Procede de preparation de polyisocyanates a groupes biuret

Info

Publication number
BE854252A
BE854252A BE177262A BE177262A BE854252A BE 854252 A BE854252 A BE 854252A BE 177262 A BE177262 A BE 177262A BE 177262 A BE177262 A BE 177262A BE 854252 A BE854252 A BE 854252A
Authority
BE
Belgium
Prior art keywords
biuret groups
preparing polyisocyanates
polyisocyanates
preparing
biuret
Prior art date
Application number
BE177262A
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 BE854252A publication Critical patent/BE854252A/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
    • C08G18/77—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Paints Or Removers (AREA)
BE177262A 1976-05-04 1977-05-04 Procede de preparation de polyisocyanates a groupes biuret BE854252A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762619548 DE2619548A1 (de) 1976-05-04 1976-05-04 Verfahren zur herstellung von biuretgruppen aufweisenden polyisocyanaten

Publications (1)

Publication Number Publication Date
BE854252A true BE854252A (fr) 1977-11-04

Family

ID=5976964

Family Applications (1)

Application Number Title Priority Date Filing Date
BE177262A BE854252A (fr) 1976-05-04 1977-05-04 Procede de preparation de polyisocyanates a groupes biuret

Country Status (12)

Country Link
US (1) US4127599A (xx)
JP (1) JPS52133923A (xx)
AT (1) ATA308977A (xx)
AU (1) AU2483077A (xx)
BE (1) BE854252A (xx)
BR (1) BR7702847A (xx)
DD (1) DD130484A5 (xx)
DE (1) DE2619548A1 (xx)
ES (1) ES458388A1 (xx)
FR (1) FR2350367A1 (xx)
GB (1) GB1550712A (xx)
NL (1) NL7704804A (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181782A (en) * 1976-05-04 1980-01-01 Bayer Aktiengesellschaft Preparation of polyisocyanates having biuret groups and their use in synthetic foamed resins and lacquers
US4384052A (en) * 1981-06-08 1983-05-17 Basf Wyandotte Corporation Polyurethanes produced from an adduct of an organic polyisocyanate and certain amines
JPS57212235A (en) * 1981-06-24 1982-12-27 Mitui Toatsu Chem Inc Preparation of polyurea foam
DE3526233A1 (de) * 1985-07-23 1987-01-29 Bayer Ag Verfahren zur herstellung von harnstoff- und/oder biuretgruppen aufweisenden polyisocyanat-zubereitungen, die nach diesem verfahren erhaeltlichen polyisocyanat-zubereitungen und ihre verwendung als isocyanatkomponente bei der herstellung von kunststoffen nach dem isocyanat-polyadditionsverfahren
JPS63151744U (xx) * 1987-03-27 1988-10-05
DE19505035A1 (de) * 1995-02-15 1996-08-22 Basf Ag Verfahren zur Herstellung biurethgruppen-haltigen Polyisocyanaten
DE10322911A1 (de) * 2003-05-21 2004-12-16 Bayer Materialscience Ag Verfestigungsstabile blockierte Polyisocyanate
US7772307B2 (en) * 2003-08-27 2010-08-10 Great Eastern Resins Industrial Co., Ltd. Water dispersible polyisocyanate composition and its uses
CN105601565B (zh) * 2014-11-20 2018-05-15 万华化学集团股份有限公司 一种存储稳定的含缩二脲结构的多异氰酸酯的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6910540A (xx) * 1968-07-19 1970-01-21
US3862973A (en) * 1970-03-07 1975-01-28 Bayer Ag Process for the preparation of polyisocyanates containing biuret groups
DE2308015B2 (de) * 1973-02-17 1980-07-31 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur
US3903126A (en) * 1973-12-11 1975-09-02 Basf Ag Manufacture of biuret group-containing polyisocyanates

Also Published As

Publication number Publication date
JPS6117823B2 (xx) 1986-05-09
ATA308977A (de) 1980-02-15
BR7702847A (pt) 1978-02-08
US4127599A (en) 1978-11-28
DE2619548A1 (de) 1977-11-24
NL7704804A (nl) 1977-11-08
ES458388A1 (es) 1978-02-16
DD130484A5 (de) 1978-04-05
AU2483077A (en) 1978-11-09
FR2350367A1 (fr) 1977-12-02
FR2350367B1 (xx) 1984-04-06
JPS52133923A (en) 1977-11-09
GB1550712A (en) 1979-08-15

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