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Analysis of phase structure and evolution of PP/PEOc blends during quiescent molten-state annealing process from SEM patterns. Part II. Co-continuous morphology

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Abstract

The influence of quiescent molten-state annealing process on the phase structure and morphology of poly(propylene)/poly(ethylene-co-octene) blends with co-continuous morphology was studied using scanning electron microscopy (SEM). The structure parameter called characteristic length (L) was calculated by the pattern analysis of SEM micrographs to describe morphological variation with annealing time during molten-state annealing process under quiescent condition. Moreover, the potential fractal behavior of the phase structure and morphology of PP/PEOc = 50/50 blend during the process were discussed. The histograms of P(L/L m ) obtained at various annealing time fell on a master curve, demonstrating the self-similar growth of the phase structure of the blends during quiescent molten-state annealing process.

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Acknowledgments

The authors gratefully acknowledge the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD), the China Postdoctoral Science Foundation (no. 20110491350), Jiangsu Key Lab of Material Tribology Foundation (kjsmcx2011005), and the Senior Intellectuals Fund of Jiangsu University (no. 10JDG135).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China

    Lin Zhu, Xia Yun, Xiangqian Shen, Weixiang Ding & Haozhu Zhao

  2. School of Materials Science and Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China

    Xinhua Xu

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  1. Lin Zhu
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  3. Xiangqian Shen
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Correspondence to Lin Zhu.

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Zhu, L., Yun, X., Shen, X. et al. Analysis of phase structure and evolution of PP/PEOc blends during quiescent molten-state annealing process from SEM patterns. Part II. Co-continuous morphology. Colloid Polym Sci 291, 1669–1676 (2013). https://doi.org/10.1007/s00396-013-2901-5

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  • DOI: https://doi.org/10.1007/s00396-013-2901-5

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