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The Study on Mechanical Properties of PP/POE Blends and PP/POE/Nano-CaCO_3 Composites

Wen‐Yong Ma

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Abstract

PP/POE blends and PP/POE/nano-CaCO3 composites were prepared by means of a twin-screw extruder,and effect of both POE content and nano-CaCO3 on the impact property,tensile property and bending property of PP were studied.The results showed that:with the increase of POE content,impact strength of PP/POE blends and PP/POE/nano-CaCO3 composites increased significantly,the tensile strength and tensile modulus decreased;flexural strength and flexural modulus decreased;elongation at break and breaking strength also decreased.In addition,comparing with PP/POE blends,the impact strength,tensile strength and tensile modulus,flexural strength and bending modulus of PP/POE/nano-CaCO3 composites were better.

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What this paper is about

PP/POE blends and PP/POE/nano-CaCO3 composites were prepared by means of a twin-screw extruder,and effect of both POE content and nano-CaCO3 on the impact property,tensile property and bending property of PP were studied.The results showed that:with the increase of POE content,impact strength of PP/POE blends and PP/POE/nano-CaCO3 composites increased significantly,the tensile strength and tensile modulus decreased;flexural strength and flexural modulus decreased;elongation at break and breaking strength also decreased.In addition,comparing with PP/POE blends,the impact strength,tensile strength and tensile modulus,flexural strength and bending modulus of PP/POE/nano-CaCO3 composites were better.

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Available abstract

PP/POE blends and PP/POE/nano-CaCO3 composites were prepared by means of a twin-screw extruder,and effect of both POE content and nano-CaCO3 on the impact property,tensile property and bending property of PP were studied.The results showed that:with the increase of POE content,impact strength of PP/POE blends and PP/POE/nano-CaCO3 composites increased significantly,the tensile strength and tensile modulus decreased;flexural strength and flexural modulus decreased;elongation at break and breaking strength also decreased.In addition,comparing with PP/POE blends,the impact strength,tensile strength and tensile modulus,flexural strength and bending modulus of PP/POE/nano-CaCO3 composites were better.

Key concepts: Materials science, Ultimate tensile strength, Flexural strength, Composite material, Flexural modulus, Izod impact strength test, Modulus, Young's modulus

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