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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: Es wurde der Einfluß verschiedener Faktoren - der Reaktionstemperatur und -dauer, der Konzentration und des Verhältnisses der Ausgangskomponenten, der Lösungsmittel - auf den Grad der Chlorsubstitution im linearen Polydichlorphosphazen durch Trifluorethoxygruppen sowie auch auf die Nebenreaktionen der Hydrolyse während der Substitution untersucht. Es wurde gezeigt, daß man durch die Wahl der Synthesebedingungen die chemische Einheitlichkeit des entstehenden Poly(bis-(trifluorethoxy)phosphazens) regulieren kann.
    Notes: The effect of various quantities, as temperature and time of reaction, initial concentration and ratio of the components and kind of the solvent, on the degree of substitution of chlorine in linear poly(dichlorophosphazene) by trifluoroethoxy groups as well as on the side reaction of hydrolysis during substitution has been investigated. The chemical homogeneity of the poly(bis-(trifluoroethoxy)phosphazene) obtained can be controlled by choosing appropriate conditions of reaction.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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