Synergistic Toughening Effects of Nano-CaCO3 and POE on Ternary-Phase Polypropylene Nanocomposites

Abstract:

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Microstructure and mechanical properties of ternary PP/POE/nano-CaCO3 composites were investigated. Two different phase structures were obtained mainly by adjusting processing sequence. The one-step process led to the isolated distribution of elastomer and CaCO3 particles in PP matrix, while the two-step one attained an encapsulated microstructure. In comparison with binary blends of PP/POE or pure PP, toughness of the ternary composites was significantly increased. Meanwhile, their stiffness and tensile strength kept nearly unchanged or slightly enhanced, implying that there is a synergistic effect between nano-CaCO3 and POE components.

Info:

Periodical:

Key Engineering Materials (Volumes 334-335)

Edited by:

J.K. Kim, D.Z. Wo, L.M. Zhou, H.T. Huang, K.T. Lau and M. Wang

Pages:

553-556

DOI:

10.4028/www.scientific.net/KEM.334-335.553

Citation:

M. Z. Rong et al., "Synergistic Toughening Effects of Nano-CaCO3 and POE on Ternary-Phase Polypropylene Nanocomposites", Key Engineering Materials, Vols. 334-335, pp. 553-556, 2007

Online since:

March 2007

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Price:

$35.00

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