vuzbiochemiИзвестия вузов. Прикладная химия и биотехнологияProceedings of Universities. Applied Chemistry and Biotechnology2227-29252500-1558ИРНИТУ10.21285/2227-2925-2019-9-4-768-772vuzbiochemi-270Research ArticleКРАТКИЕ СООБЩЕНИЯBRIEF COMMUNICATIONИсследование нанокомпозитов серебра на основе гидрофильных азотсодержащих гетероциклических сополимеров методами светорассеянияLight-scattering study of silver nanocomposites based on hydrophilic nitrogen-containing heterocyclic copolymersИвановаА. А.IvanovaA. A.

Иванова Анастасия Андреевна, младший научный сотрудник

664033, г. Иркутск, ул. Фаворского, 1

Anastasiya A. Ivanova, Junior Researcher

1, Favorsky St., Irkutsk 664033

ivanova93@irioch.irk.ruИркутский институт химии им. А.Е. Фаворского СО РАНРоссияA.E. Favorsky Irkutsk Institute of Chemistry SB RASRussian Federation20190601202094768772Copyright © Иванова А.А., 20202020Иванова А.А.Ivanova A.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vuzbiochemi.elpub.ru/jour/article/view/270

Методами светорассеяния исследованы новые полимерные серебросодержащие нанокомпозиты на основе водорастворимых сополимеров 1-винил-1,2,4-триазола с натриевой солью винилсульфоновой кислоты различного состава. Формирование нанокомпозитов осуществляли методом химического восстановления ионов серебра боргидридом натрия в водной среде в присутствии сополимеров. По данным динамического светорассеяния с увеличением содержания сульфонатныхгрупп в стабилизирующей полимерной матрице наблюдается уменьшение средних размеров металло-полимерных клубковвводно-солевых растворах нанокомпозитов. Исследования синтезированных нанокомпозитов методомэлектрофоретического светорассеяния с анализом фаз показывают, что с увеличением доли сульфонатных звеньев в составе стабилизирующей полимерной матрицы величина дзета-потенциала (ζ) изменяется от -35,0 до -75,3 мВ, что указывает на повышение стабильности коллоидной системы. Установлено, что функциональный состав стабилизирующей полимерной матрицы оказывает существенное влияние на гидродинамические размеры полимерных нанокомпозитов в водной среде.

Автор заявляет об отсутствии конфликта интересов.

A light scattering study was performed on new silver-containing polymer nanocomposites based on water-soluble copolymers of 1-vinyl-1,2,4-triazole having sodium salt of vinylsulphonic acid of various compositions. The formation of nanocomposites was carried out using chemical reduction of silver ions by sodium borohydride in a copolymer- containing aqueous medium. According to the dynamic light scattering data, a decrease in the average sizes of metal-polymer coils in water-salt solutions of nanocomposites is explained in terms of an increase in the content of sulphonate groups in the stabilising polymer matrix. The electrophoretic light scattering with phase analysis of synthesised nanocomposites reveals the zeta potential (ζ) to vary from -35.0 to -75.3 mV with an increased sulphonate unit proportion in the stabilising polymer matrix, indicating an increase in the stability of the colloidal system. The functional composition of the stabilising polymer matrix is established to provide a significant effect on the hydrodynamic dimensions of polymer nanocomposites in an aqueous medium.

The authors declare no conflict of interests regarding the publication of this article.

полимерные нанокомпозитынаночастицы серебра1-винил-124-триазолнатриевая соль винилсульфоновой кислотыpolymer nanocompositessilver nanoparticles1-vinyl-124-triazolevinylsulphonic acid sodium saltРабота выполнена при финансовой поддержке РФФИ (проект № 19-03-00708). Основные результаты получены с использованием материально-технической базы Байкальского аналитического центра коллективного пользования СО РАН.The study is supported by the Russian Foundation for Basic Research (project no. 19-03-00708). The main results are obtained using the equipment of the Baikal Analytical Centre for Collective Use of the SB RAS.ReferencesZenin AA. Synthesis of hybrid materials in polyelectrolyte matrixes: control over sizes and spatial organization of metallic nanostructures Polymer science. Series С. 2016;58(1):118–130. https://doi.org/10.1134/S1811238216010136Zenin AA. 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The authors declare that there are no conflicts of interest present.