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  • 1
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 13 (1954), S. 210-222 
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Different diacyl peroxides, hydroperoxides, dialkylperoxides and peracids are used as components of Fe··-redox-systems to polymerize styrene in benzene at 50° C. The conversions so obtained are compared with those of peroxide-induced polymerization. In cases of brominated peroxides one can calculate from the bromine-content of the polymers the incorporated catalyzer-fragments. No bromine can be found in the polymer if one uses brombenzoperacid; therefore if must be assumed, that the chain-initiation ensues through OH-radicals.
    Notes: Verschiedene Diacylperoxyde, Hydroperoxyde, Dialkylperoxyde und Persären werden als Komponenten von Eisen-Redox-Systemen zur Polymerisation von Styrol in Benzol bei 50° C benutzt. Die erzielten Umsätze werden mit denen bei peroxydischer Polymerisation verglichen. Bei bromhaltigen Peroxyden kann aus dem Bromgehalt der Polymeren auf die Zahl der eingebauten peroxydischen Bruchstücke geschlossen werden. Dabei Anwendung von Brombenzopersäre kein Brom in den Polymeren nachzuweiseu ist, muß angenommen werden, daß der Kettenstart durch OH-Radikale erfolgt.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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