Influence of Interactions On the Tensile Behavior of Polystyrene Filled With Calcium-carbonate

Godard, Pierre;Bomal, Y.;Biebuyck, Jean-Jacques
(1993) Journal of Materials Science — Vol. 28, n° 24, p. 6605-6610 (1993)

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Authors
  • Godard, PierreUCLouvain
    Author
  • Bomal, Y.
    Author
  • Biebuyck, Jean-JacquesUCLouvain
    Author
Abstract
Mechanical properties of filled polymers are dependent on a lot of parameters: matrix properties, particles characteristics (nature, size, shape, size distribution), constituent volume fraction and particle-particle and matrix-filler interactions. In this work, mainly devoted to polymer-filler interactions, the tensile behaviour of calcium carbonate-filled polystyrene is examined for different kinds of filler surface modification: carboxylic acid adsorption and polystyrene or polybutyl acrylate grafting. Experimental relative tensile strength of the composite varies mainly with the matrix proportion in the fracture surface and with the matrix-filler interactions: adhesion level and matrix-particle stress transfer. The model enables the calculation of dewetting angles which are a very good representation of the filler-matrix adhesion level.
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Godard, P., Bomal, Y., & Biebuyck, J.-J. (1993). Influence of Interactions On the Tensile Behavior of Polystyrene Filled With Calcium-carbonate. Journal of Materials Science, 28(24), 6605-6610. https://doi.org/10.1007/BF00356403 (Original work published 1993)