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Rheology of multiphase polymer blends with and without reactive compatibiliser: evaluation of interfacial tension using theoretical predictions

  • Research Article
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International Journal of Plastics Technology

Abstract

The phase morphology and rheology of polyamide 12/polypropylene (PA12/PP) blends have been studied. Effects of blend ratio and reactive compatibilisation on the rheological properties of compatibilised and uncompatibilised blends were analysed. The viscosity ratio between the polymers was found to be sensitive to frequency. The complex viscosity and dynamic modulus increased with increase in the amount of compatibiliser, up to critical micelle concentration. The interfacial tension between the polymers was calculated from the storage modulus of the blends using Palierne and Choi-Schowalter models. It was found that the rheological properties of both compatibilised and uncompatibilised blends are intimately related to their phase morphology.

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Authors and Affiliations

  1. Department of Chemistry, Government College Kottayam, Kottayam, Kerala, 686013, India

    Seno Jose

  2. Centre for Nanoscience and Nanotechnology, School of Chemical Sciences, Mahatma Gandhi University, Priyadarshini Hills P.O., Kottayam, Kerala, 686560, India

    Sabu Thomas

  3. Department of Chemistry, Devaswamboard College, Sasthamcotta, Kerala, 690520, India

    Indose Aravind

  4. Department of Polymer Engineering, Budapest University of Technology and Economics, Mûegyetem rkp. 3., H-1111, Budapest, Hungary

    J. Karger-Kocsis

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  1. Seno Jose
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  2. Sabu Thomas
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  4. J. Karger-Kocsis
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Correspondence to Seno Jose.

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Jose, S., Thomas, S., Aravind, I. et al. Rheology of multiphase polymer blends with and without reactive compatibiliser: evaluation of interfacial tension using theoretical predictions. Int J Plast Technol 18, 223–240 (2014). https://doi.org/10.1007/s12588-014-9075-y

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  • DOI: https://doi.org/10.1007/s12588-014-9075-y

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