Morphological investigations of polypropylene single-fibre reinforced polypropylene model composites

J. Loos, T. Schimanski, J. Hofman, A.A.J.M. Peijs, P.J. Lemstra

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137 Citations (Scopus)
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Abstract

Melt-spun isotactic polypropylene (iPP) fibres have been prepared with moduli of about 12 GPa and strength of 730 MPa. Single-fibre model composites are prepared by embedding constrained high-modulus iPP fibres in thin films of a matrix material based on the same isotactic polypropylene grade. The morphology of these composites has been investigated by optical microscopy and low-voltage scanning electron microscopy techniques. After isothermal crystallisation from the melt a transcrystalline layer was found having lamellar crystals grown perpendicular to the fibre axis. The work illustrates that the processing of polypropylene fibre reinforced polypropylene composites as self-reinforced single-polymer composite systems is feasible and that these composites may fulfil the demands for fully recyclable engineering composites.
Original languageEnglish
Pages (from-to)3827-3834
JournalPolymer
Volume42
Issue number8
DOIs
Publication statusPublished - 2001

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