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  • 1960-1964  (1)
  • 1
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 42 (1960), S. 25-32 
    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: Quecksilberdichlorid polymerisiert Diketen bei tiefer Temperatur. Das Molekulargewicht der in Aceton unlöslichen und in Dioxan löslichen Fraktion des Polymeren war 1630.Die Untersuchung der Reaktionsprodukte der Alkoholyse des Polymeren und die Infrarotspektren zeigten, daß das Polymere die Struktur eines offenen Vinylaceto-β-lactons hatte. Es ist daher anzunehmen, daß auch Diketen die Struktur eines Vinylaceto-β-lactons hat, obwohl die fünf starken Banden im Doppelbindungsgebiet noch unbestimmt bleiben.
    Notes: Mercuric chloride polymerized diketene at low temperature. The molecular weight of the acetone-insoluble and dioxane-soluble fraction of the polymer was 1630.From the alcoholysis of the polymer and the infrared spectrum of the polymer, the molecular structure of the polymer was considered to be the open chain polymer of vinylaceto-β-lactone. Consequently, the molecular structure of diketene was also believed to be vinylaceto-β-lactone, although the assignments of the five strong bands in the doublebond region still remain in question.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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