BE867171A - Utilisation d'amidines, comme accelerateurs de reaction, lors de la preparation de polyurees - Google Patents

Utilisation d'amidines, comme accelerateurs de reaction, lors de la preparation de polyurees

Info

Publication number
BE867171A
BE867171A BE187776A BE187776A BE867171A BE 867171 A BE867171 A BE 867171A BE 187776 A BE187776 A BE 187776A BE 187776 A BE187776 A BE 187776A BE 867171 A BE867171 A BE 867171A
Authority
BE
Belgium
Prior art keywords
polyurides
amidines
preparation
reaction accelerators
accelerators
Prior art date
Application number
BE187776A
Other languages
English (en)
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 BE867171A publication Critical patent/BE867171A/fr

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
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/20—Heterocyclic amines; Salts thereof
    • 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
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1858—Catalysts containing secondary or tertiary amines or salts thereof having carbon-to-nitrogen double bonds
    • 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3225—Polyamines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BE187776A 1977-05-18 1978-05-17 Utilisation d'amidines, comme accelerateurs de reaction, lors de la preparation de polyurees BE867171A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2722514A DE2722514C2 (de) 1977-05-18 1977-05-18 Verfahren zur Herstellung von Harnstoffengruppen aufweisenden hochmolekularen Verbindungen

Publications (1)

Publication Number Publication Date
BE867171A true BE867171A (fr) 1978-11-17

Family

ID=6009330

Family Applications (1)

Application Number Title Priority Date Filing Date
BE187776A BE867171A (fr) 1977-05-18 1978-05-17 Utilisation d'amidines, comme accelerateurs de reaction, lors de la preparation de polyurees

Country Status (5)

Country Link
BE (1) BE867171A (fr)
DE (1) DE2722514C2 (fr)
FR (1) FR2391235A1 (fr)
GB (1) GB1585455A (fr)
IT (1) IT1103141B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3018023A1 (de) * 1980-05-10 1981-11-12 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyharnstoffen
DE3041834A1 (de) * 1980-11-06 1982-06-09 Bayer Ag, 5090 Leverkusen Neue amidine und amidin/isocyanat-addukte, verfahren zu ihrer herstellung und ihre verwendung als katalysatoren fuer die haertung von epoxidharzen
DE3126436A1 (de) * 1981-07-04 1983-01-20 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von gegebenenfalls zellhaltigen polyurethan- oder polyurethan-polyharnstoff-formkoerpern
DE3403500A1 (de) * 1984-02-02 1985-08-08 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von stabilisierten polyisocyanaten, stabilisierte isocyanate ratardierter reaktivitaet und ihre verwendung zur polyurethanherstellung
DE3530476A1 (de) * 1985-08-27 1987-03-05 Bayer Ag Polyamine, verfahren zu ihrer herstellung aus nco-prepolymeren und ihre verwendung bei der herstellung von polyurethanen
IT1204359B (it) * 1986-05-29 1989-03-01 Enichem Sintesi Composizioni elestomeriche fluide,reticolabili all'umidita' ambientale,adatte per l'uso in sigillanti
DE19616496A1 (de) * 1996-04-25 1997-10-30 Bayer Ag Abspaltfreier Polyurethan-Pulverlack mit niedriger Einbrenntemperatur
CN112778333B (zh) * 2021-01-23 2022-07-05 中国科学院新疆理化技术研究所 一种四氢噁唑并吡啶并氮氧杂酮类衍生物及其用途

Also Published As

Publication number Publication date
IT1103141B (it) 1985-10-14
FR2391235B1 (fr) 1984-11-23
FR2391235A1 (fr) 1978-12-15
DE2722514A1 (de) 1978-11-30
IT7849385A0 (it) 1978-05-16
DE2722514C2 (de) 1982-10-14
GB1585455A (en) 1981-03-04

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BAYER A.G.

Effective date: 19920531