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Ionomeric modification of metallocene-based polyolefinic elastomers with varied pendant chain length and its influence on physico-mechanical properties

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Abstract

A new class of ionomer was developed through sulfonation of the metallocene-based poly(ethylene–octene) elastomer, followed by its neutralization with zinc acetate. Ionomeric products were characterized through Fourier transform infrared (FT-IR) spectroscopy, small angle X-ray scattering (SAXS), and transmission electron microscopy (TEM) studies. The effect of pendant chain length on the ionomeric modification was also studied through the variation of the comonomer. The impact of these ionomeric modifications on various physico-mechanical properties was thoroughly investigated by using differential scanning calorimetry, mechanical, dynamic mechanical, and thermogravimetric analysis. The resultant properties were correlated with structures of the modified elastomers. Ionomerisation of the base elastomers causes a significant improvement in the stress–strain, as well as the thermal properties compared to the corresponding pristine elastomer.

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Authors and Affiliations

  1. Rubber Technology Centre, Indian Institute of Technology, Kharagpur, 721302, India

    Anjan Biswas, Abhijit Bandyopadhyay, Nikhil K. Singha & Anil K. Bhowmick

Authors
  1. Anjan Biswas
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  2. Abhijit Bandyopadhyay
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  3. Nikhil K. Singha
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  4. Anil K. Bhowmick
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Corresponding author

Correspondence to Anil K. Bhowmick.

Additional information

Anjan Biswas is on leave from Government College of Engineering and Leather Technology, LB Block, Sector III, Saltlake City, Kolkata-700098, India.

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Biswas, A., Bandyopadhyay, A., Singha, N.K. et al. Ionomeric modification of metallocene-based polyolefinic elastomers with varied pendant chain length and its influence on physico-mechanical properties. J Mater Sci 44, 3125–3134 (2009). https://doi.org/10.1007/s10853-009-3415-x

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  • DOI: https://doi.org/10.1007/s10853-009-3415-x

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