Journal of Materials Science

, Volume 26, Issue 21, pp 5708–5716 | Cite as

Characterization of polyethylene/EPDM/silicon dioxide multicomponent composites by solid-state dynamic mechanical spectroscopy

  • C. Scott
  • H. Ishida
  • F. H. J. Maurer
Papers
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Abstract

Various composites of polyethylene, ethylene propylene diene rubber (EPDM), and filler are milled and analysed by solid-state dynamic mechanical spectroscopy. The filler used is silicon powder with an oxidized surface. This filler is a model for materials with siliceous surfaces. The torsion pendulum measurements show that the multicomponent composites exhibited complex viscoelastic behaviour. For composites of polyethylene and silicon dioxide, there is evidence of particle-particle interactions. In composites which include polyethylene, rubber and filler, interactions of the polyethylene and especially of the rubber with the filler surface are significant. Treatment of the filler surface with gamma-aminopropyltriethoxysilane (γ-APS) or gamma-methacryloxypropyltrimethoxysilane (γ-MPS) has a significant influence on the resultant composite dynamic mechanical spectrum. Maleic anhydride grafting of the EPDM rubber also changes the character of the composites. These composites appear to exhibit complex morphologies, which may be controlled to a certain extent by filler surface treatment and grafting to the rubber. There is evidence for a chemical reaction between the maleic anhydride modification of the EPDM and γ-APS during processing on the roll mill. Prediction of the composite properties using the extended van der Poel model is qualitatively useful.

Keywords

Dynamic Mechanical Spectroscopy Maleic Anhydride EPDM Ethylene Propylene Silicon Powder 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Chapman & Hall 1991

Authors and Affiliations

  • C. Scott
    • 1
  • H. Ishida
    • 1
  • F. H. J. Maurer
    • 2
  1. 1.Department of Macromolecular ScienceCase Western Reserve UniversityClevelandUSA
  2. 2.DSM Research BVGeleenThe Netherlands

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