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  • 1985-1989  (4)
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 40 (1989), S. 526-529 
    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: In Lösungen verschiedener Harze mit unterschiedlicher Konzentration wurde die Ultraschallgeschwindigkeit gemessen. Die erhaltenen Ergebnisse waren Grundlage zur Berechnung verschiedener physikalischer Parameter der Harzlösungen.
    Notes: In solutions of different resins the ultrasonic velocity was measured at different concentrations. The obtained results were used to evaluate some physical parameters of the resin solutions.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 40 (1989), S. 134-135 
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 40 (1989), S. 473-475 
    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: Die Röntgenstreuung von Amino-, Epoxy-, Alkyd- und Esterharzen wurde untersucht. Aus dem diffusen Halo wurde ein effektiver Abstand der Polymerketten berechnet. Mit Hilfe der von Boyer und Miller vorgeschlagenen empirischen Korrelationen wurde die Querschnittsfläche der Kettenmoleküle ermittelt, und daraus wurden die Zahl der Atome zwischen zwei Verknüpfungen, der Steifheitsparameter der Kette und die isotherme Kompressibilität abgeschätzt.
    Notes: The X-ray diffraction of amino, epoxy, alkyd, and ester gum resins was investigated. The diffraction halo was used to compute an effective distance value in the polymers. With the help of the empirical correlation graphs suggested by Boyer and Miller the cross-sectional area of the chain molecules was evaluated, and from that the number of chain atoms per entanglement, the stiffness parameters of the chain, and the isothermal compressibility were estimated.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 40 (1989), S. 747-749 
    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: Die Röntgenbeugung von Ferrocenylmethylacrylat, Ferrocenylmethylen, Vinylferrocen-Homopolymer, Vinylferrocen-Styren-Copolymer, Vinylferrocen-Vinylpyridin-Copolymer und Vinylruthenocen-Styren-Copolymer wurde untersucht. Die Röntgenbeugungsdiagramme der Polymere weisen zwei diffuse Halos auf. Aus dem äußeren Halo wurden effektive Braggsche Abstände ermittelt, aus denen mit Hilfe der empirischen Methode von Boyer und Miller die Querschnittsfläche je Kettenmolekül, die Zahl der C-Atome zwischen zwei Verschlaufungen und der Steifheitsparameter für diese Polymere abgeleitet wurden.
    Notes: The X-ray diffraction of ferrocenylmethyl acrylate, ferrocenylmethylene, vinylferrocene homopolymer, vinylferrocene-styrene copolymer, vinylferrocene-vinylpyridine copolymer, and vinylruthenocene-styrene copolymer had been studied. The diffraction patterns of the polymers show two diffuse halos. The outer halo was used to estimate effective Bragg spacings from which by the empirical method of Boyer and Miller the cross-sectional area per chain molecule, the number of carbon atoms per entanglement, and the stiffness parameter for these polymers were derived.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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