Relationship between structure and rheological behavior of thermoplastic vulcanizates containing rubber powder
- Authors: Erina N.A.1, Kuznetsova O.P.1, Medintseva T.I.1, Rogovina S.Z.1, Zhorina L.A.1, Berlin A.A.1
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Affiliations:
- Semenov Federal Research Center for Chemical Physics
- Issue: Vol 44, No 11 (2025)
- Pages: 47-56
- Section: Chemical physics of polymeric materials
- URL: https://journals.rcsi.science/0207-401X/article/view/351694
- DOI: https://doi.org/10.7868/S0207401X25110066
- ID: 351694
Cite item
Abstract
A comparative analysis of the structure and rheological behavior of thermoplastic vulcanizates based on polypropylene, ethylene-propylene-diene monomer and rubber powder was performed. Detailed structural studies of the compositions were carried out using atomic force microscopy. It was found that in mixtures containing rubber powder the polypropylene phase is enriched with carbon black particles with a diameter of about 100 nm. A study of the rheological behavior of thermoplastic vulcanizates showed an abnormal decrease in viscosity in mixtures containing up to 10 wt.% rubber powder. The critical parameters for the manifestation of this effect are: continuity of the PP matrix, nanoscale size of carbon black particles, their concentration and their uniform distribution in the PP matrix.
About the authors
N. A. Erina
Semenov Federal Research Center for Chemical Physics
Email: natalia.erina@mail.ru
Moscow, Russia
O. P. Kuznetsova
Semenov Federal Research Center for Chemical Physics
Email: natalia.erina@mail.ru
Moscow, Russia
T. I. Medintseva
Semenov Federal Research Center for Chemical Physics
Email: natalia.erina@mail.ru
Moscow, Russia
S. Z. Rogovina
Semenov Federal Research Center for Chemical Physics
Email: natalia.erina@mail.ru
Moscow, Russia
L. A. Zhorina
Semenov Federal Research Center for Chemical Physics
Email: natalia.erina@mail.ru
Moscow, Russia
A. A. Berlin
Semenov Federal Research Center for Chemical Physics
Author for correspondence.
Email: natalia.erina@mail.ru
Moscow, Russia
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