ikbguИзвестия Кабардино-Балкарского государственного университетаProceedings of the Kabardino-Balkarian State University2221-7789Kabardino-Balkarian State University named after Kh. M. Berbekov10.31143/2221-7789-2023-4-96-102FWHCUMikbgu-170Research ArticleХимияChemistryОСОБЕННОСТИ ФОРМИРОВАНИЯ ФАЗОВО-РАЗДЕЛЕННОЙ СТРУКТУРЫ ЧАСТИЧНО-КРИСТАЛЛИЧЕСКИХ МУЛЬТИБЛОЧНЫХ ТЕРМОПЛАСТИЧНЫХ ПОЛИУРЕТАНОВ С РАЗЛИЧНЫМ СТРОЕНИЕМ МАКРОДИОЛАFORMATION OF THE PHASE-SEPARATED STRUCTURE OF SEMI-CRYSTALLINE MULTIBLOCK THERMOPLASTIC POLYURETHANES WITH DIFFERENT MACRODIOLSГорбуноваМ. А.GorbunovaM. A.mflute2008@yandex.ruИмамутдиноваА. М.ImamutdinovaA. M.mflute2008@yandex.ruЛесничаяВ. А.LesnichayaV. A.mflute2008@yandex.ruАльяноваЕ. Е.AlyanovaE. E.mflute2008@yandex.ruАбукаевА. Ф.AbukaevA. F.mflute2008@yandex.ruАнохинД. В.AnokhinD. V.mflute2008@yandex.ruФедеральный исследовательский центр проблем химической физики и медицинской химии Российской академии наукFederal Research Center for Problems of Chemical Physics and Medical Chemistry RAS20233012202313496102Copyright © Горбунова М.А., Имамутдинова А.М., Лесничая В.А., Альянова Е.Е., Абукаев А.Ф., Анохин Д.В., 20232023Горбунова М.А., Имамутдинова А.М., Лесничая В.А., Альянова Е.Е., Абукаев А.Ф., Анохин Д.В.Gorbunova M.A., Imamutdinova A.M., Lesnichaya V.A., Alyanova E.E., Abukaev A.F., Anokhin D.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.izvestiakbsu.ru/jour/article/view/170

Синтезирована серия мультиблочных термопластичных полиуретанов (ТПУ) с различной структурой и длиной мягкого блока на основе поли(1,4-бутиленгликольадипат) диола (ПБА). Фазово-разделенная структура и физико-химические свойства ТПУ проанализированы с помощью инфракрасной спектроскопии, дифференциальной сканирующей калориметрии, термического и динамометрического анализа. Показано, что ТПУ на основе олигомера ПБА демонстрируют отличные механические свойства, а образцы ТПУ на основе макродиола ПБА алифатической природы за счет встраивания в цепь молекул ГМДИ, демонстрирует высокую кристалличность с высокой плотностью сетки водородных связей.

 

A series of multiblock thermoplastic polyurethanes (TPU) with different soft segments based on poly(butylene adipate) diol (PBA) has been synthesized. The phase-separated structure and mechanical properties of TPU were analyzed by FTIR spectroscopy, differential scanning calorimetry, thermal and mechanical analysis. It is shown that the TPUs based on PBA oligomer exhibit excellent mechanical properties, while the samples based on PBA macrodiol of aliphatic nature with incorporated hexamethylene diisocyanate shows increased degree of crystallinity due to a high density of hydrogen bonding network.

 

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The authors declare that there are no conflicts of interest present.