Processability and mechanical properties of ternary composites PP/EPDM/GF
The enhancement of the mechanical properties of neat PP is achieved by the addition of glass fibers and EPDM rubber. The Young's modulus and notched Charpy impact strength of the composites obtained are improved with respect to the original polymer, leading to a new composite material with a ve...
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| Veröffentlicht in: | Polymer composites 2000-06, Vol.21 (3), p.377-386 |
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| container_title | Polymer composites |
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| creator | Barbosa, Silvia E. Capiati, Numa J. Kenny, José M. |
| description | The enhancement of the mechanical properties of neat PP is achieved by the addition of glass fibers and EPDM rubber. The Young's modulus and notched Charpy impact strength of the composites obtained are improved with respect to the original polymer, leading to a new composite material with a very good balance of toughness and rigidity properties. The tensile behavior of these multiphase systems is successfully compared with theoretical predictions using the Halpin‐Tsai/Nielsen theory for uniaxially short fiber composites, which considers the matrix as a blend with spherical particles and can predict the tensile modulus considering an average fiber orientation angle. An accurate morphological study performed by scanning electron microscopy (SEM) shows a very good dispersion of the rubbery phase into the neat matrix. No special affinity between the rubber and the fibers is reported. The good dispersion and the small particle diameter indicate the good processability of the ternary systems studied. |
| doi_str_mv | 10.1002/pc.10196 |
| format | Article |
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The Young's modulus and notched Charpy impact strength of the composites obtained are improved with respect to the original polymer, leading to a new composite material with a very good balance of toughness and rigidity properties. The tensile behavior of these multiphase systems is successfully compared with theoretical predictions using the Halpin‐Tsai/Nielsen theory for uniaxially short fiber composites, which considers the matrix as a blend with spherical particles and can predict the tensile modulus considering an average fiber orientation angle. An accurate morphological study performed by scanning electron microscopy (SEM) shows a very good dispersion of the rubbery phase into the neat matrix. No special affinity between the rubber and the fibers is reported. 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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences Composites Exact sciences and technology Forms of application and semi-finished materials Polymer industry, paints, wood Technology of polymers |
| title | Processability and mechanical properties of ternary composites PP/EPDM/GF |
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