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Preparation of Cu/OMMT/LLDPE nanocomposites and synergistic effect study of two different nano materials in polymer matrix

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Abstract

Cu/OMMT (organo-montmorillonite)/LLDPE (linear low-density polyethylene) nanocomposites were prepared via melt mixing combined with melt extruding process. X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectra, scanning electron microscope (SEM), and transmission electron microscopy (TEM) were employed to characterize the resultant nanocomposites. The results showed that the OMMT layers were exfoliated and the nano-Cu particles were distributed uniformly in the polymer matrix. And the introduction of nanofiller into LLDPE matrix had little effect on the crystallinity of the polymer. The salt spray tests showed that OMMT and nano-Cu could improve the anticorrosion properties of LLDPE matrix, respectively. And the coexistence of OMMT and nano-Cu in Cu/OMMT/LLDPE nanocomposites could produce a synergistic effect on enhancing the anticorrosion properties. Furthermore, the co-incorporation of OMMT and nano-Cu into the polymer matrix also increased the thermal-oxidative stability and mechanical properties of LLDPE matrix significantly, as compared with the Cu/LLDPE and OMMT/LLDPE nanocomposites due to the synergistic effect. The bactericidal properties evaluation showed that the bactericidal ability of Cu/OMMT/LLDPE increases with nano-Cu content effectively.

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Acknowledgments

The authors are grateful for the financial support of the National Natural Science Foundation of China (grant No.50574043 and 40772028) and the supporting of Project 985-Automotive Engineering of Jilin University.

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Authors and Affiliations

  1. Key Laboratory of Automobile Materials of Ministry of Education and Department of Materials Science and Engineering, Jilin University, Changchun, 130025, China

    Bing Xue, Fangfei Li, Mengmeng Sun, Darui Liu & Yinshan Jiang

  2. College of Animal Science and Veterinary Medicine Jilin University, 5333 Xi‘an Road, Changchun, 130062, China

    Yanping Xing

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  1. Bing Xue
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  2. Fangfei Li
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  3. Yanping Xing
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  4. Mengmeng Sun
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  5. Darui Liu
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Correspondence to Yinshan Jiang.

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Xue, B., Li, F., Xing, Y. et al. Preparation of Cu/OMMT/LLDPE nanocomposites and synergistic effect study of two different nano materials in polymer matrix. Polym. Bull. 67, 1463–1481 (2011). https://doi.org/10.1007/s00289-011-0466-3

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  • DOI: https://doi.org/10.1007/s00289-011-0466-3

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