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PREPARATION AND PROPERTIES OF PP/OMMT NANOCOMPOSITES

Yan Lei-ge, C Tech

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Abstract

The melt intercalation method was employed to prepare PP/Org-MMT composites,while polypropylene-graft-maleic anhydride(MAPP) was used as compatibilizer.The effects of content of MAPP and OMMT on preparation and mechanical properties of the nanocomposites were investigated.The changes of the basal spacing between layers were investigated by X-Ray diffraction meter.The morphology of composites were also studied by SEM and POM.The results indicate that excellent intercalation effect can be obtained by melt processing.The tensile strength and the impact strength of these composites ascends first and then descends,The tensile strength is better than that of PP and the impact strength is close to that of PP.

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What this paper is about

The melt intercalation method was employed to prepare PP/Org-MMT composites,while polypropylene-graft-maleic anhydride(MAPP) was used as compatibilizer.The effects of content of MAPP and OMMT on preparation and mechanical properties of the nanocomposites were investigated.The changes of the basal spacing between layers were investigated by X-Ray diffraction meter.The morphology of composites were also studied by SEM and POM.The results indicate that excellent intercalation effect can be obtained by melt processing.The tensile strength and the impact strength of these composites ascends first and then descends,The tensile strength is better than that of PP and the impact strength is close to that of PP.

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Available abstract

The melt intercalation method was employed to prepare PP/Org-MMT composites,while polypropylene-graft-maleic anhydride(MAPP) was used as compatibilizer.The effects of content of MAPP and OMMT on preparation and mechanical properties of the nanocomposites were investigated.The changes of the basal spacing between layers were investigated by X-Ray diffraction meter.The morphology of composites were also studied by SEM and POM.The results indicate that excellent intercalation effect can be obtained by melt processing.The tensile strength and the impact strength of these composites ascends first and then descends,The tensile strength is better than that of PP and the impact strength is close to that of PP.

Key concepts: Materials science, Ultimate tensile strength, Composite material, Polypropylene, Maleic anhydride, Izod impact strength test, Nanocomposite, Intercalation (chemistry)

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