Development of an approach and principles for forming a new type of urethan containing multiblock copolymers with controllable structure of polymer chains

Authors

  • M.A. Makarova Institute of Technical Chemistry UB RAS
  • V.V. Tereshatov Institute of Technical Chemistry UB RAS
  • V.Yu. Senichev Institute of Technical Chemistry UB RAS
  • Zh.A. Vnutskikh Testing center for personal protective equipment of Perm National Research Polytechnic University
  • A.I. Slobodinyuk Institute of Technical Chemistry UB RAS
  • A.V. Savchuk Institute of Technical Chemistry UB RAS

DOI:

https://doi.org/10.7242/2658-705X/2019.3.7

Keywords:

urethane-containing elastomers, polymer chains, multiblock-copolymers, synthesis, structure and properties

Abstract

The method of obtaining multiblock-copolymers with heterogeneous alternating soft segments connected by hard urethane blocks, with a predetermined regular structure of polymer chains based on the use of «reverse» prepolymers, was developed, including its three-stage variant. It was shown that triblock-copolymers obtained by a new method exceeded the materials obtained by the traditional method. Block-copolymers with fragmentary ordering of polymer chains based on rheokinetic data were developed. It was found that the use of prepolymer mixtures enables developing polymeric materials with an optimal combination of microphase separation and interchain interaction in the soft phase. This part of the work was performed using compositions based on oligoethers. Such optimization enables to achieve a significant increase in the strength properties of block-copolymers. Directions for optimizing the structure and properties of polyurethane ureas with heterogeneous segments were proposed. Recommendations for the creation of block-copolymers with an improved complex of thermal, thermomechanical, and mechanical properties were developed in the direction of using polyurethanes and polyurethane ureas based on oligoethers with tetramethylene oxide units.

Supporting Agencies
Работа выполнена при финансовой поддержке РФФИ и Пермского края № 16-43-590647р-а «Разработка подхода и принципов формирования нового типа уретансодержащих мультиблоксополимеров с регулируемой структурой полимерных цепей».

Author Biographies

  • M.A. Makarova, Institute of Technical Chemistry UB RAS
    кандидат технических наук, старший научный сотрудник, Институт технической химии УрО РАН - филиал Пермского федерального исследовательского центра УрО РАН (ИТХ УрО РАН)
  • V.V. Tereshatov, Institute of Technical Chemistry UB RAS
    профессор, доктор технических наук, ведущий научный сотрудник ИТХ УрО РАН
  • V.Yu. Senichev, Institute of Technical Chemistry UB RAS
    кандидат технических наук, заведующий лабораторией, ИТХ УрО РАН
  • Zh.A. Vnutskikh, Testing center for personal protective equipment of Perm National Research Polytechnic University
    кандидат химических наук, заместитель директора, Испытательный центр средств индивидуальной защиты (ИЦ СИЗ), Пермский национальный исследовательский политехнический университет (ПНИПУ)
  • A.I. Slobodinyuk, Institute of Technical Chemistry UB RAS
    кандидат технических наук, научный сотрудник, ИТХ УрО РАН
  • A.V. Savchuk, Institute of Technical Chemistry UB RAS
    аспирант, ИТХ УрО РАН

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Published

2019-10-14

Issue

No. 3 (2019)

Section

Research: theory and experiment

How to Cite

Makarova, M. ., Tereshatov, V. ., Senichev, V. ., Vnutskikh, Z. ., Slobodinyuk, A. ., & Savchuk, A. . (2019). Development of an approach and principles for forming a new type of urethan containing multiblock copolymers with controllable structure of polymer chains. Perm Federal Research Centre Journal, 3, 70-77. https://doi.org/10.7242/2658-705X/2019.3.7