Study on Mechanical Properties of PP Modified by β Nucleating Agent under the Low Temperature

Jiang Zhu; Xiang Liu; Qiang Xu; Liang Cao

doi:10.4028/www.scientific.net/AMR.710.97

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Synthesis and Gas Sensing Property of Poly(m-aminophenol)
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The Preparation of Tri-Cellulose Acetate Hybrid Material Containing Rare Earth Europium (III) Complex
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Study on Mechanical Properties of PP Modified by β Nucleating Agent under the Low Temperature
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Determination of Trace Copper with Sulfophenylazo Rhodanine by Catalytic Dynamic Spectrofluorimetry
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Study on Mechanical Properties of PP Modified by β Nucleating Agent under the Low Temperature

Abstract:

The ethylene-propylene polymer (PP) was modified by using a rare earth β-nucleating agent (WBG-II). The crystallization characteristics of PP induced by WBG-II were investigated through the wide-angle X-ray diffraction (WAXD). The effect of β-nucleating agent on the mechanical property of PP under low temperature was also researched. The results confirmed that β-nucleating agent WBG-II can change the crystal structure of PP and induce the β-form crystals in the PP to develop. Moreover, under the room temperature, with the increment of WBG-II, the tensile strength, bending strength and modulus of the modified PP increase, but the impact strength and elongation at break decrease; and especially at-10 °C, this tendency is more obvious.