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Toughening of PA6/mEPDM Blends by two Methods of Compounding, Extruder and Internal Mixer: Rheological, Morphological and Mechanical Characterization

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Abstract

Blends of polyamide 6 with metallocene rubber as dispersed phase and grafted rubber as compatibilizer were prepared by two methods of compounding, extruder and internal mixer. Rheological measurements and morphological analysis were made in order to study the influence of compounding. The ternary blends with the same maleic anhydride content displayed similar rheological behaviour. On the other hand, the developed morphology is related to the compounding process and blend formulation. The better particle size distribution is achieved in both methods of compounding for blends with 20 wt% of EPDM-g-MA. The addition of EPDM-g-MA improves the mechanical properties compared to blends without compatibilizer. The results confirm that the mechanical properties are more influenced by the compounding process than by the blend composition.

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Authors and Affiliations

  1. Department of Physics of the Condensed Matter, E.T.S.I.I. University of Valladolid, Paseo del Cauce s/n., 47011, Valladolid, Spain

    R. Gallego, J. C. Merino & J. M. Pastor

  2. Foundation for Research and Development in Transport and Energy, CIDAUT, Parque Tecnológico de Boecillo, Boecillo, E-4715, Valladolid, Spain

    D. García-López, S. López-Quintana, I. Gobernado-Mitre, J. C. Merino & J. M. Pastor

Authors
  1. R. Gallego
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  2. D. García-López
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  3. S. López-Quintana
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  4. I. Gobernado-Mitre
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  5. J. C. Merino
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  6. J. M. Pastor
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Correspondence to R. Gallego.

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Gallego, R., García-López, D., López-Quintana, S. et al. Toughening of PA6/mEPDM Blends by two Methods of Compounding, Extruder and Internal Mixer: Rheological, Morphological and Mechanical Characterization . Polym. Bull. 60, 665–675 (2008). https://doi.org/10.1007/s00289-008-0902-1

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  • DOI: https://doi.org/10.1007/s00289-008-0902-1

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