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  • 1
    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: Polyanion-polycation interaction (symplex formation) with two ampholytic copolymers of vinyl(ethinylpiperidole) and acrylie acid, and of the N-methylated analog and methacrylie acid has been investigated by turbidimetry, conductometry, and potentiometry. The results are discussed from the aspect of competition between homosymplex formation by interaction of the acid and basic groups of the polyampholyte and heterosymplex formation between one kind of functional groups of the ampholytic polymer and an oppositely charged polyion. They are compared with previous results obtained with other ampholytic copolymers.
    Notes: Die Polyanion-Polykation-Wechselwirkung (Symplexbildung) Wurde bei zwei ampholytischen Copolymeren aus Vinylethinylpiperidol und Acryläure bzw. des N-methylierten Analogen und Methacrylsäure turbidimetrisch, konduktometrisch und potentiometrisch untersucht. Die Ergebnisse werden unter dem Aspekt einer konkurrierenden Homosymplexbildung zwischen den funktionellen Gruppen des Polyampholyten und Heterosymplexbildung zwischen einer Art der funktionellen Gruppen des Polyampholyten und einem entgegengesetzt geladenen Polyion diskutiert und mit früheren Resultaten bei anderen ampholytischen Copolymeren verglichen.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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