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  • 1985-1989  (2)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 40 (1989), S. 136-136 
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 2
    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: Der Einfluß von drei ausgewählten Vulkanisationssystemen auf die Eigenschaften von vernetzten Nitrilkautschuk-Poly(vinylchlorid)-Mischungen (NBR/PVC) wird mit dem eines Schwefelvulkanisationssystems verglichen. Die Reaktionen von aktiviertem m-Phenylen-bis-maleinimid, p-Nitroso-diphenyl-amin (PNDA) sowie von mit Peroxid aktiviertem Pentaerythritol-triacrylat (PETA) wurden durch thermische Analyse und die Bestimmung des Gelgehaltes untersucht. Während die Systeme aus mit Peroxid aktiviertem PETA und mit PNDA aktiviertem Schwefel eine hohe Vernetzungsausbeute aufweisen, ergibt das System aus mit MBTS aktiviertem Bismaleinimid einen geringen Gelgehalt. Weiterhin führen die mit PNDA aktivierten Systeme zu einer guten Ermüdungsbeständigkeit, besserer Beständigkeit gegenüber
    Notes: The effect of three selective vulcanization systems on the properties of crosslinked nitrile rubber/poly(vinyl chloride) (NBR/PVC) blends is compared with a sulfur vulcanization system. The reaction modes of activated m-phenylene bismaleimide, p-nitroso diphenyl amine (PNDA) as well as peroxide activated pentaerythritol triacrylate (PETA) were studied by thermal analysis and by determination of the gelling efficiency. While peroxide activated PETA and PNDA activated sulfur systems show high curing efficiency, the MBTS activated bismaleimide system yields poor gel content. Moreover, the PNDA activated systems have good fatigue resistance, improved resistance to thermal aging, and lowest glass transition temperature among the tested vulcanization systems. On the other hand, the peroxide activated PETA system shows good mechanical properties only before aging.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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