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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 130 (1985), S. 125-136 
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die vorliegenden Untersuchungen sollen einen Beitrag zur Strukturaufklärung von amorphen Polymeren mit starren Polymerketten darstellen. Zu diesem Zweck wurden Celluloseacetate (CA) mit verschiedenen Substitutionsgraden (DS) hergestellt. Die Proben wurden durch IR-Spektroskopie, Differential-Scanning-Calorimetry (DSC) und dynamisch-mechanische Analyse (DMA) charakterisiert. Rasterelektronenmikroskopische Aufnahmen von gefriergebrochenen Oberflächen dieser Polymeren zeigten, daß außer lamellaren Strukturen auch kugelige Strukturen beobachtbar waren.
    Notes: In the present investigation an attempt has been made to throw light on the structure of stiff chain amorphous polymers. For this purpose cellulose acetates (CA) having different degrees of substitution (DS) were prepared. The samples were characterised by IR-spectroscopy, Differential Scanning Calorimetry (DSC) and Dynamic Mechanical Analysis (DMA). Scanning electron micrographs of the cryogenically fractured surfaces of these polymers showed that along with lamellar structures, nodular structures were also observable.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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