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  • 1985-1989  (1)
  • 1985  (1)
  • Polymer and Materials Science  (1)
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  • 1985-1989  (1)
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  • Polymer and Materials Science  (1)
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  • Chemistry  (1)
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    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Molecular weight distributions of branched poly(phenylquinoxa1ines) synthesized by polycondensation of aromatic bis(l,2-diamines) with bis- and tris(l,2-diketones) were calculated based on a special a-priori branching model from gelchromatographic and viscosimetric data. Under the rcactioti conditions considered random reaction of all functional groups is suggested.
    Notes: Die Molmassenverteilungen von durch Polykondensation aromatischer Bis(1,2-diamine) mit Bis- und Tris(1,2-diketonen) synthetisierten verzweigten Polyphenylchinoxalinen wurden auf der Grundlage eines speziellen a-priori-Verzweigungsmodells aus gelchromatographischen und viskosimetrischen Daten berechnet. Damit kann für die angewendeten Synthesebedingungen eine zufällige Reaktion aller funktionellen Gruppen angenommen werden.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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