Herald of Technological University Herald of Technological University ВЕСТНИК ТЕХНОЛОГИЧЕСКОГО УНИВЕРСИТЕТА 3034-4689 60940 ХИМИЯ, ТЕХНОЛОГИЯ И ИСПОЛЬЗОВАНИЕ ПОЛИМЕРОВ ХИМИЯ, ТЕХНОЛОГИЯ И ИСПОЛЬЗОВАНИЕ ПОЛИМЕРОВ Soluble block Copolyimides Hloba N I Hloba N I prok_nr@mail.by Prokopchuk N R Prokopchuk N R prok_nr@mail.by Krutko E T Krutko E T prok_nr@mail.by Zelencovsky V M Zelencovsky V M ela_Krutko@mail.ru Sofina S Yu Sofina S Yu Zaikov G E Zaikov G E Belorusian State Technological University ru Belorusian State Technological University ru Belorusian State Technological University ru Belorusian State Technological University ru Belorusian State Technological University ru Belorusian State Technological University ru Institute of fiziko-organic chemistry National Academy of Sciences of Belarus ru Institute of fiziko-organic chemistry National Academy of Sciences of Belarus ru Kazan National Research Technological University ru Kazan National Research Technological University ru N. N. Emanuel Institute of Biochemical Physics of Russian Academy of Sciences ru N. N. Emanuel Institute of Biochemical Physics of Russian Academy of Sciences ru 01 08 2025 01 08 2025 16 11 178 181 19 04 2023 https://vestniktu.ru/en/nauka/article/60940/view

Фрагментарные полиамидокислоты на основе промышленно выпускаемых поли(4,4'-диаминодифенилоксид)пиромеллитамидокислоты и олигоамидокислоты, полученных путем поликонденсации 4,4'-диаминодифенилоксида и диангидрида 4,8-дифенил-1,5-диазодицикло-/3,3,0/-октан-2,3,6,7-тетракарбоновой кислоты были синтезированы с их последующей имидизацией. В отличие от исходного поли(4,4'-дифенилоксид)пиромеллитимида синтезированные блок полиимиды растворяются в полярных апротонных растворителях. Для объяснения их растворимости были проведены расчеты параметров конформации конституционных повторяющихся звеньев макромолекул с помощью компьютерного моделирования.

Fragmentary polyamicacids on the basis of industrially made poly(4,4’-diaminodipheniloxide)piromellitamicasid and oligoamidoacid, received by polycondensation of 4,4’-diaminodiphenyloxide and dianhydride 4,8-diphenil-1,5-diazodicyclic-/3,3,0/-octane-2,3,6,7-tetracarboxylic acid has been synthesized with their subsequent chemical imidization. Unlike initial poly(4,4’-dipheniloxide)peromellitimide synthesized block polyimides possess solubility in polar aprotic solvents. For explanation of their solubility calculations of parameters of conformation of constitutional repeating units of macromolecules by computer modeling has been carried out.

 polyimides copolyimides oligo(amic acid) geometric parameters conformation block copolyimides structural characteristics identity period полиимиды сополиимиды олиго(амидо кислота) геометрические параметры конформация блок сополиимиды структурные характеристики период идентичности polyimides copolyimides oligo(amic acid) geometric parameters conformation block copolyimides structural characteristics identity period полиимиды сополиимиды олиго(амидо кислота) геометрические параметры конформация блок сополиимиды структурные характеристики период идентичности

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