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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 260 (1982), S. 1011-1016 
    ISSN: 1435-1536
    Keywords: Copolymers ; Styrene ; Benzylmethacrylate ; Solution properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Abstract Solution properties of equimolar random and alternating copolymers of styrene and benzyl methacrylate were investigated by means of light scattering and viscosity measurements. The two copolymers showed no distinct difference between each other. A special stiffening effect of the aromatic ring of the benzyl methacrylate could not be found. Light scattering data showed a pronounced influence of the third virial coefficient and the conventional interpretation of the data (linear extrapolation toc=0) produced too high molecular weights.
    Notes: Zusammenfassung Die Lösungseigenschaften von äquimolaren statistischen und alternierenden Copolymeren aus Styrol und Benzylmethacrylat wurden mit Hilfe von Lichtstreuungs- und Viskositätsmessungen untersucht. Es ergaben sich keine gravierenden Unterschiede zwischen den beiden Copolymeren. Ein besonderer kettenversteifender Effekt des aromatischen Rings im Benzylmethacrylat konnte nicht nachgewiesen werden. Bei der Lichtstreuung zeigte sich ein deutlicher Einflu\ des dritten Virialkoeffizienten, wodurch die konventionelle Auswertung (lineare Extrapolation aufc=0) zu hohe Molekulargewichte lieferte.
    Type of Medium: Electronic Resource
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