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Russian Journal of Physical Chemistry B

, Volume 13, Issue 5, pp 819–824 | Cite as

Problems of Controlling the Rheological Behavior of Thermoplastic Vulcanizates

  • E. V. PrutEmail author
  • T. I. Medintseva
  • O. P. Kuznetsova
CHEMICAL PHYSICS OF POLYMER MATERIALS
  • 3 Downloads

Abstract

Problems of the rheological behavior of thermoplastic vulcanizates prepared by dynamic vulcanization in the basis of polypropylene and the ternary ethylene–propylene–diene elastomer are considered. It has been shown that the nature of a vulcanizing system and the molecular structure of polypropylene are the most important factors influencing the rheological behavior of the studied materials. The use of an oil-extended elastomer enables the creation of processable blends containing up to 70 wt % of the rubber phase. The partial replacement of the elastomer by rubber powder leads to a decrease in the viscosity of the materials containing up to 50 wt % of the elastomer even without a plasticizer.

Keywords:

polypropylene ethylene–propylene–diene elastomer dynamic vulcanization rheological properties 

Notes

FUNDING

This work was performed within the state contract (state registration no. AAAA-A17-117040610309-0).

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • E. V. Prut
    • 1
    Email author
  • T. I. Medintseva
    • 1
  • O. P. Kuznetsova
    • 1
  1. 1.Semenov Institute of Chemical Physics, Russian Academy of SciencesMoscowRussia

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