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Characteristics of polyether urethanes with mixed soft segments, prepared by two- and three-step procedures

  • Macromolecular Compounds and Polymeric Materials
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Abstract

A three-step procedure for preparing polyurethanes with mixed polyether segments was suggested. It involves preparation of the “inverse” prepolymer by the reaction of one of oligodiisocyanates with 1,4-butanediol taken in a double excess, followed by the reaction with the other oligodiisocyanate. Polyurethanes with alternating poly(tetramethylene oxide) and poly(propylene oxide) soft segments were prepared by this procedure. Such materials surpass polyurethanes prepared from a mixture of oligodiisocyanates in the strength and softening point of the hard phase. In contrast to poly(tetramethylene oxide) urethane, elastomers with mixed polyether segments do not crystallize.

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Authors and Affiliations

  1. Institute of Technical Chemistry, Ural Branch, Russian Academy of Sciences, ul. Akademika Koroleva 3, Perm, 614013, Russia

    V. V. Tereshatov, A. I. Slobodinyuk, M. A. Makarova, Zh. A. Vnutskikh, A. V. Pinchuk & V. Yu. Senichev

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  1. V. V. Tereshatov
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  2. A. I. Slobodinyuk
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  3. M. A. Makarova
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  4. Zh. A. Vnutskikh
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  5. A. V. Pinchuk
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  6. V. Yu. Senichev
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Corresponding author

Correspondence to V. V. Tereshatov.

Additional information

Original Russian Text © V.V. Tereshatov, A.I. Slobodinyuk, M.A. Makarova, Zh.A. Vnutskikh, A.V. Pinchuk, V.Yu. Senichev, 2016, published in Zhurnal Prikladnoi Khimii, 2016, Vol. 89, No. 6, pp. 784−789.

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Tereshatov, V.V., Slobodinyuk, A.I., Makarova, M.A. et al. Characteristics of polyether urethanes with mixed soft segments, prepared by two- and three-step procedures. Russ J Appl Chem 89, 943–948 (2016). https://doi.org/10.1134/S1070427216060161

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  • DOI: https://doi.org/10.1134/S1070427216060161

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