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THE MECHANICAL AND MELTING CRYSTALLIZATION PROPERTIES OF β-FORM POLYPROPYLENE/POE BLENDS

Guo Min-yi, Lian Yu, Zhiqiang Xiong, Cas Guangdong

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Abstract

The effect of various POE content on the mechanical properties of(0.3%)β-form crystalline nucleated agent treated PP/POE blend were investigated for fixed filler loading of 0~25%,and the β-form crystalline of the blend were analyzed by DSC.The result reveals that nucleated agent treated PP/POE sample exhibits a greater notched Izod impact strength.With the increase of POE content,brittle-ductile transition(BDT) of the untreated PP/POE occurs in the impact tensile test.While the treated PP/POE blend does not exhibit such transition.The transition of β→α form of treated PP/POE blend in tensile strength test were also discussed.

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What this paper is about

The effect of various POE content on the mechanical properties of(0.3%)β-form crystalline nucleated agent treated PP/POE blend were investigated for fixed filler loading of 0~25%,and the β-form crystalline of the blend were analyzed by DSC.The result reveals that nucleated agent treated PP/POE sample exhibits a greater notched Izod impact strength.With the increase of POE content,brittle-ductile transition(BDT) of the untreated PP/POE occurs in the impact tensile test.While the treated PP/POE blend does not exhibit such transition.The transition of β→α form of treated PP/POE blend in tensile strength test were also discussed.

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Available abstract

The effect of various POE content on the mechanical properties of(0.3%)β-form crystalline nucleated agent treated PP/POE blend were investigated for fixed filler loading of 0~25%,and the β-form crystalline of the blend were analyzed by DSC.The result reveals that nucleated agent treated PP/POE sample exhibits a greater notched Izod impact strength.With the increase of POE content,brittle-ductile transition(BDT) of the untreated PP/POE occurs in the impact tensile test.While the treated PP/POE blend does not exhibit such transition.The transition of β→α form of treated PP/POE blend in tensile strength test were also discussed.

Key concepts: Materials science, Izod impact strength test, Ultimate tensile strength, Composite material, Polypropylene, Glass transition, Brittleness, Crystallization

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