Two-Stage Method for the Synthesis of Reactor Heterophase
Thermoplastic Elastomers Based on Polypropylene

A. N. Klyamkina; Клямкина А. Н.; P. M. Nedorezova; Недорезова П. М.; A. M. Aladyshev; Аладышев А. М.

doi:10.31857/S0207401X23110055

Two-Stage Method for the Synthesis of Reactor Heterophase Thermoplastic Elastomers Based on Polypropylene

Authors: Klyamkina A.N.¹, Nedorezova P.M.¹, Aladyshev A.M.¹
Affiliations:
1. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences
Issue: Vol 42, No 11 (2023)
Pages: 48-53
Section: Chemical physics of polymeric materials
URL: https://cardiosomatics.orscience.ru/0207-401X/article/view/675023
DOI: https://doi.org/10.31857/S0207401X23110055
EDN: https://elibrary.ru/VDZRIG
ID: 675023

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Abstract
About the authors
References
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Abstract

A simple method for the two-stage synthesis in one reactor on one catalyst of heterophase thermoplastic
elastomers based on isotactic polypropylene (PP) and an ethylene-propylene copolymer or an ethylene-
propylene-1,4-hexadiene terpolymer is developed. The obtained materials, depending on the composition,
have good elastomeric properties or behave like thermoplastics. Polymers in which ethylene units form
long sequences have the best set of basic characteristics: high values of the elastic modulus, strength, and
elongation at a break, as well as a low residual deformation.

Keywords

reactor heterophase polymers, polypropylene, titanium-magnesium catalyst, copolymerization, propylene, ethylene, 1,4-hexadiene, thermophysical and mechanical properties

References

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