BE619655A - - Google Patents

Info

Publication number
BE619655A
BE619655A BE619655DA BE619655A BE 619655 A BE619655 A BE 619655A BE 619655D A BE619655D A BE 619655DA BE 619655 A BE619655 A BE 619655A
Authority
BE
Belgium
Prior art keywords
polymer
units
isocyanate
weight
sep
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE619655A publication Critical patent/BE619655A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/56Polyacetals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/10Polymerisation of cyclic oligomers of formaldehyde
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/18Copolymerisation of aldehydes or ketones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/30Chemical modification by after-treatment
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G4/00Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
BE619655D BE619655A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE619655A true BE619655A (enrdf_load_stackoverflow)

Family

ID=193636

Family Applications (1)

Application Number Title Priority Date Filing Date
BE619655D BE619655A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE619655A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
EP0929603B1 (fr) Compositions de polymeres plastifies
FR2539135A1 (fr) Hydrogels de polyurethane et procede de fabrication
FR2556347A1 (fr) Nouveau compose organophosphore cyclique et son procede de fabrication
EP0259233B1 (fr) Procédé de préparation de polyisocyanate à groupement biuret
CA2058073C (fr) Procede de preparation de catalyseurs enrobes a base de molybdates de bismuth et de fer dopes par du phosphore et du potassium
BE619655A (enrdf_load_stackoverflow)
FR2726564A1 (fr) Pullulan contenant du siloxane et un procede pour la preparation de celui-ci
EP0588673B1 (fr) Procédé de préparation de polyaminoborazines
BE619654A (enrdf_load_stackoverflow)
FR2558832A1 (fr) Derives de l'acide carbamique et leur procede d'obtention
CH362233A (fr) Procédé pour la préparation de polyanhydrides linéaires aromatiques à poids moléculaire élevé
EP2133346A1 (fr) Procédé pour la fabrication d'un diester cyclique d'un acide alpha-hydroxylé
EP3770152A1 (fr) Procédé de fabrication de chromenes par catalyse a l'or destinés à la préparation de resines thermodurcissables
FR2467220A1 (fr) Procede de fabrication de mousses souples de polyurethanne a l'aide de polypentaerythritols triorganosilyles
EP0135443A1 (fr) Nouveaux polymères et prépolymères thermodurcissables résultant de la polycondensation de pyridines alcoylées et de monoaldéhydes aromatiques hydroxylés
EP3938357B1 (fr) Procede de fabrication d'un monomere polybenzoxazine
FR2715584A1 (fr) Catalyseurs à base d'un aluminophosphate, leur procédé de préparation et leur application à des réactions de condensation.
FR2487821A1 (fr) Procede de preparation de composes aromatiques bromes purifies
EP0136226B1 (fr) Résines polystyrylpyridines à ténacité améliorée et matériau composite comprenant ces résines
SU219180A1 (ru) Способ получения линейных полиоксазолидонов
SU262007A1 (ru) Способ получения формальдегида
BE639634A (enrdf_load_stackoverflow)
BE488560A (enrdf_load_stackoverflow)
CH518994A (fr) Procédé de préparation de polyesters-polyols
BE715201A (enrdf_load_stackoverflow)