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New understanding for the formation of conductive network in the nanocomposites during the crystallization of matrix

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Abstract:
Crystallization behavior of conductive composite has a great effect on the formation of conductive network. But very few studies have exposited, specially on the micro level, the evolution of conductive network during the crystallization of matrix. In this study, the conductive network was
found to be destroyed by crystallization behavior of isotactic polypropylene (iPP) matrix, and the carbon black (CB) particles were rejected to the amorphous region or the interlamellar of spherulite. By comparison, the low-structure carbon black (LCB) filled system was more sensitive to the crystallization of matrix than the high-structure carbon black (HCB) filled system because of the morphology and interaction force of the CB primary aggregate. A secondary increase in volume resistivity during terminal crystallization was observed in iPP/LCB composite when it isothermally crystallized at a certain temperature. In that case, an analysis of crystallization kinetics of composites through a modified Lauritzen-Hoffman model indicated that the transition from regime I→II in the isothermal crystallization process of iPP matrix showed significant influence on the network formation of LCB particles.

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Ketersediaan

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Informasi Detail

Judul Seri

Polymer Research

No. Panggil

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Penerbit

: Springer Science., 2016

Deskripsi Fisik

J Polym Res (2016) 23:47

Bahasa

English

ISBN/ISSN

DOI 10.1007/s10965-0

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

Volume 23, Issue 3, March 2016

Subjek

Polymer Research

Info Detail Spesifik

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Pernyataan Tanggungjawab

deliza

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