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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: Um die chemische Konstitution von Polykondensationsharzen aus Bagassemark und Phenol zu untersuchen, wurden verschiedene Kondensationsprodukte auf Basis von Phenol und Verbindungen, die bei der Säurehydrolyse von Bagassemark entstehen oder Bestandteile des Bagassemarks sind, hergestellt. Die optimalen Bedingungen für die Trennung dieser Polykondensationsharze durch Dünnschichtchromatographie wurden ermittelt. Die angenommene chemische Struktur und das chemische Reaktionsschema werden an Hand der Ergebnisse der Elementaranalyse, der Dünnschichtchromatographie und der UV-Spektren diskutiert.
    Notes: In order to investigate the chemical constitution of bagasse pith-phenol polycondensate resin, different resins were prepared by condensation of phenol with compounds that may be produced during the acid hydrolysis of bagasse pith and with different constituents of bagasse pith. The optimum conditions for thin layer chromatographic separation of these polycondensate resins were determined. The proposed chemical structure and the pattern of chemical reactions were discussed on the bases of elemental analysis, TLC and UV spectroscopic studies.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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