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Dynamic and steady state flow of polypropylene/mica systems

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1002/pc.750050407
AuthorSearch for: 1; Search for: 1; Search for: 1
Affiliation
  1. National Research Council of Canada
FormatText, Article
Abstract
Six compositions containing commercial polypropylene, PP, and monodispersed, untreated phlogopite mica were prepared. Their rheological properties were determined at 180°C in dynamic and capillary flows. The results are discussed in terms of strain‐induced orientation of mica flakes. Two critical volume fractions were found to affect the flow: Φc defined as a concentration of flakes overlap and Φm as a concentration of maximum packing of freely sedimenting particles. At Φ > Φc yield stress and at Φ > Φm non‐linearity in dynamic response were observed.
Publication date
PublisherWiley
In
  • Polymer Composites 5, no. 4: 277–288.
LanguageEnglish
Peer reviewedYes
NRC numberCNRC 26810
NRC-IGM84-000-482
NPARC number23004224
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Record identifier8cf61012-3f30-4620-8ef7-1993a715c477
Record created2018-10-12
Record modified2020-03-13
Date modified: