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Investigating the effect of organoclay montmorillonite and rubber ratio composition on the enhancement compatibility and properties of carboxylated acrylonitrile-butadiene rubber/ethylene-propylene-diene monomer hybrid elastomer nanocomposites

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Abstract

In this work, a reinforcing organoclay montmorillonite (OMMT) (i.e., 0, 2.5, 5, 7.5 and 10 phr) and novel alloys were prepared, which significantly improved the thermal, mechanical and rheological properties of immiscible XNBR/EPDM alloys. Results revealed that optimum cure time (t90) and scorch time (t5), decrease with increasing OMMT (Cloisite 15A) content; while the cure time was prolonged with increasing EPDM content. The results of X-ray diffraction show an increase in the distance between the layers of the silicate plates in the continuous XNBR/EPDM rubber phase in all of the compositions compared with the nanoclay powder. This indicates the penetration of rubber chains among the silicate layers. This phenomenon was also confirmed by direct observation of the intercalated and exfoliated microstructure of the nanocomposite by a transmission electron microscopy (TEM).

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Acknowledgements

The financial Zolal Gostar Rooz (ZGR) Company gratefully is acknowledged by the authors. The authors also thank Khazra Sazan Rad Polymer Parsian, Consulting Polymer Engineers CO for supporting this research.

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Authors and Affiliations

  1. Department of Chemistry and Chemical Engineering, Rasht Branch, Islamic Azad University, Rasht, Iran

    Mohammad Javad Azizli & Masoud Mokhtary

  2. Iran Polymer and Petrochemical Institute, P.O. Box:14965/115, Tehran, Iran

    Hossein Ali Khonakdar

  3. Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, P.O. Box 19945-546, Tehran, Iran

    Vahabodin Goodarzi

Authors
  1. Mohammad Javad Azizli
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  2. Hossein Ali Khonakdar
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  3. Masoud Mokhtary
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  4. Vahabodin Goodarzi
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Correspondence to Masoud Mokhtary.

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Azizli, M.J., Khonakdar, H.A., Mokhtary, M. et al. Investigating the effect of organoclay montmorillonite and rubber ratio composition on the enhancement compatibility and properties of carboxylated acrylonitrile-butadiene rubber/ethylene-propylene-diene monomer hybrid elastomer nanocomposites. J Polym Res 26, 221 (2019). https://doi.org/10.1007/s10965-019-1885-3

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