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RHEOLOGICAL BEHAVIORS AND MORPHOLOGY OF PP/EPDM BLENDS IRRADIATED BY γ-RAYS

Jia Shao, Fehg Jian

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Abstract

In this papers, the rhelogical properties of PP/EPDM irradiatied by γ rays was studied with capillary. The viscosity of PP/EPDM irradiatied is lower than the viscosity of unirradiated PP/EPDM, which implies that the irradiated blends are easily processible via injection molding. Morphology of the PP/EPDM(irradiated after dynamic mechanical analysis) was better than morphology of the PP/EPDM(unirradiated after dynamic mechanical analysis) because this morphology can be controlled by crosslinking EPDM phase and the morphology is fixated.

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What this paper is about

In this papers, the rhelogical properties of PP/EPDM irradiatied by γ rays was studied with capillary. The viscosity of PP/EPDM irradiatied is lower than the viscosity of unirradiated PP/EPDM, which implies that the irradiated blends are easily processible via injection molding. Morphology of the PP/EPDM(irradiated after dynamic mechanical analysis) was better than morphology of the PP/EPDM(unirradiated after dynamic mechanical analysis) because this morphology can be controlled by crosslinking EPDM phase and the morphology is fixated.

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Available abstract

In this papers, the rhelogical properties of PP/EPDM irradiatied by γ rays was studied with capillary. The viscosity of PP/EPDM irradiatied is lower than the viscosity of unirradiated PP/EPDM, which implies that the irradiated blends are easily processible via injection molding. Morphology of the PP/EPDM(irradiated after dynamic mechanical analysis) was better than morphology of the PP/EPDM(unirradiated after dynamic mechanical analysis) because this morphology can be controlled by crosslinking EPDM phase and the morphology is fixated.

Key concepts: Materials science, Morphology (biology), Composite material, Irradiation, Rheology, Viscosity, Polymer blend, Capillary action

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