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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 195 (1992), S. 139-150 
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Eine Reihe makroporöser Glycidylmethacrylat-Ethylendimethacrylat-Copolymerer (GMA-co-EDMA) wurde durch Suspensionspolymerisation hergestellt; dabei wurden nach einer statistisch geplanten experimentellen Durchführung die Ethylendimethacrylatkonzentration und die Heizrate der Polymerisationstemperatur von 20 auf 70°C variiert. Die Porositätseigenschaften der hydrolysierten Copolymeren wurden mit Hilfe der Größenausschlußchromatographie unter Verwendung von Polystyrolstandards in Tetrahydrofuran charakterisiert. Das Porenvolumen, die spezifische Oberfläche und die Porengröße werden dabei durch die Konzentration des Vernetzungsmittels stärker beEinflußt als durch die Heizrate während der Polymerisation.
    Notes: A series of macroporous glycidyl methacrylate-ethylene dimethacrylate copolymers have been prepared by the suspension polymerization according to a statistical design of experimental approach in which concentration of ethylene dimethacrylate and time needed for raising the polymerization temperature from 20 to 70°C have been varied. The porous properties of hydrolyzed copolymers have been characterized by means of size exclusion chromatography using polystyrene standards in tetrahydrofuran. Pore volume, specific surface area, and pore size are affected by the crosslinking agent concentration rather than by the rate of temperature increase during the polymerization reaction.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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