Preparation and Characterization of Mechanically Strong Nanocomposite Latex Materials Based on Polyurethane/Graphene Oxide
- Autores: Baskakov S.1, Baskakova Y.1, Dvoretskaya E.1, Krasnikova S.1, Lesnichaya V.1, Shulga Y.1, Vasilets V.2
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Afiliações:
- Institute of Problems of Chemical Physics, Russian Academy of Sciences
- Chernogolovka Branch of Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences
- Edição: Volume 57, Nº 3 (2023)
- Páginas: 191-197
- Seção: НАНОРАЗМЕРНЫЕ СИСТЕМЫ И МАТЕРИАЛЫ
- URL: https://journals.rcsi.science/0023-1193/article/view/139981
- DOI: https://doi.org/10.31857/S0023119323020043
- EDN: https://elibrary.ru/NGNGZA
- ID: 139981
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Resumo
Nanocomposites based on aqueous polyurethane latex and graphene oxide have been synthesized and characterized. The structure and composition of the nanocomposites were studied using elemental analysis, optical microscopy, IR spectroscopy, DSC, and thermogravimetry. The nanocomposites showed higher thermal stability and increased mechanical strength compared to those of the original polymer. It has been established that the Young’s modulus of latex films after the introduction of 2 wt % graphene oxide increased by a factor of almost 6. In this case, the fracture stress decreased only slightly by 10–15%. The influence of the particle size of graphene oxide on the mechanical properties of the composites was found, namely: composites with larger particles of graphene oxide had a higher Young’s modulus, and their relative elongation at break decreased
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Sobre autores
S. Baskakov
Institute of Problems of Chemical Physics, Russian Academy of Sciences
Email: vnvasilets@yandex.ru
Chernogolovka, Moscow oblast, 142432 Russia
Yu. Baskakova
Institute of Problems of Chemical Physics, Russian Academy of Sciences
Email: vnvasilets@yandex.ru
Chernogolovka, Moscow oblast, 142432 Russia
E. Dvoretskaya
Institute of Problems of Chemical Physics, Russian Academy of Sciences
Email: vnvasilets@yandex.ru
Chernogolovka, Moscow oblast, 142432 Russia
S. Krasnikova
Institute of Problems of Chemical Physics, Russian Academy of Sciences
Email: vnvasilets@yandex.ru
Chernogolovka, Moscow oblast, 142432 Russia
V. Lesnichaya
Institute of Problems of Chemical Physics, Russian Academy of Sciences
Email: vnvasilets@yandex.ru
Chernogolovka, Moscow oblast, 142432 Russia
Yu. Shulga
Institute of Problems of Chemical Physics, Russian Academy of Sciences
Email: vnvasilets@yandex.ru
Chernogolovka, Moscow oblast, 142432 Russia
V. Vasilets
Chernogolovka Branch of Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences
Autor responsável pela correspondência
Email: vnvasilets@yandex.ru
Chernogolovka, Moscow oblast, 142432 Russia
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