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  • 1985-1989  (1)
  • Polymer and Materials Science  (1)
  • 5-O-α-l-rhamnopyranosyil(1 -〉 2)-O-β-d-glucopyranoside
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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 131 (1985), S. 187-194 
    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 strahlungsinduzierte Pfropfcopolymerization von Methylmethacrylat auf Nylon-Fasern wurde bei Raumtemperatur untersucht. Das Homopolymere wurde durch Soxhlet-Extraktion abgetrennt. Die Pfropfausbeute nahm mit der Strahlendosis von 0,1768 bis 0,7072 Mrad und mit der Monomerkonzentration zu. Die Zugabe von Kupfersulfat und Natriumlaurylsulfat verminderte die Bildung von Homopolymerem. Die Zahl der pro 100 eV absorbierter Energie gebildeten Pfropfzweige (Gb) und der Pfropfungsgrad (Gb) wurden berechnet. Ein Reaktionsmechanismus wird vorgeschlagen.
    Notes: The radiation-induced graft copolymerization of methyl methacrylate onto nylon fibers was investigated at room temperature. The homopolymer was separated by soxhlet extraction. The graft yield increases with increase of dose rate from 0.1768 to 0.7072 Mrad. The percentage of grafting increase with increasing monomer concentration. Addition of copper sulphate and a non-ionic surfactant, sodium lauryl sulphate, supresses the formation of homopolymer. The value of Gb, the number of branches per 100 eV of energy absorbed in the substrate polymer, and the value of α, the fraction of substrate polymer grafted, have been computed. A kinetic scheme has been suggested.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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