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Influence of composition and processing conditions on the morphology and properties of polyamide 6/ethylene-vinyl acetate copolymer blends

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Abstract

An ethylene-vinyl acetate copolymer has been mixed with polyamide 6 in a single screw extruder. The extrudate materials were processed according to two methods: extrusion by means of a capillary rheometer and injection moulding. The rheological properties of the blends and plain polymers, the mode and state of dispersion of the minor component and the impact properties of the polyamide 6-based blends were investigated. Different blend morphologies, strongly depending on the post-blending processing conditions and on the percentage wt/wt ethylene-vinyl acetate/polyamide 6, were observed by scanning electron microscopy. The impact behaviour of the injection moulded blends was correlated with the scanning electron microscopy analysis of the fracture surfaces.

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Authors and Affiliations

  1. Istituto di Ricerche su Tecnologia dei Polimeri e Reologia del CNR, via Toiano 6, Arco Felice, Napoli, Italy

    L. D'Orazio, C. Mancarella & E. Martuscelli

  2. Tecnopolimeri, Ceriano Laghetto, Milano, Italy

    A. Casale, A. Filippi & F. Speroni

Authors
  1. L. D'Orazio
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  2. C. Mancarella
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  3. E. Martuscelli
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  4. A. Casale
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  5. A. Filippi
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  6. F. Speroni
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D'Orazio, L., Mancarella, C., Martuscelli, E. et al. Influence of composition and processing conditions on the morphology and properties of polyamide 6/ethylene-vinyl acetate copolymer blends. J Mater Sci 21, 989–997 (1986). https://doi.org/10.1007/BF01117384

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  • DOI: https://doi.org/10.1007/BF01117384

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