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Some properties of polymer blends based on EPDM/PP

Ana Lúcia Nazareth da Silva, Fernanda M. B. Coutinho

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Abstract

This work describes the effect of the addition of EPDM to polypropylene on the mechanical performance of EPDM/PP blends prepared in different composition ranges and mixing conditions, and evaluates the effect on the mechanical properties when controlled degraded polypropylene is added to these blends as a third component. It was found that as the EPDM content increased, the impact strength of EPDM/PP blends increased; the tensile strength and Young's modulus decreased and the elongation increased but showed a slight decrease at 5050 composition.

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What this paper is about

This work describes the effect of the addition of EPDM to polypropylene on the mechanical performance of EPDM/PP blends prepared in different composition ranges and mixing conditions, and evaluates the effect on the mechanical properties when controlled degraded polypropylene is added to these blends as a third component. It was found that as the EPDM content increased, the impact strength of EPDM/PP blends increased; the tensile strength and Young's modulus decreased and the elongation increased but showed a slight decrease at 5050 composition.

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Available abstract

This work describes the effect of the addition of EPDM to polypropylene on the mechanical performance of EPDM/PP blends prepared in different composition ranges and mixing conditions, and evaluates the effect on the mechanical properties when controlled degraded polypropylene is added to these blends as a third component. It was found that as the EPDM content increased, the impact strength of EPDM/PP blends increased; the tensile strength and Young's modulus decreased and the elongation increased but showed a slight decrease at 5050 composition.

Key concepts: Materials science, Polypropylene, Ultimate tensile strength, Composite material, Polymer blend, Elongation, Izod impact strength test, EPDM rubber

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