New hybrid materials based on cyclophosphazene and polysiloxane precursors: synthesis and properties

Khanin, D.A.; Kononevich, Y.N.; Temnikov, M.N.; Morgalyuk, V.P.; Vasil’ev, V.G.; Popov, A.Y.; Brel, V.K.; Papkov, V.S.; Muzafarov, A.M.

Статья опубликована в высокорейтинговом журнале

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 1 апреля 2020 г.

Авторы: Khanin D.A., Kononevich Yu N., Temnikov M.N., Morgalyuk V.P., Vasil’ev V.G., Popov A.Yu, Brel V.K., Papkov V.S., Muzafarov A.M.
Журнал: Polymer
Том: 186
Год издания: 2020
Издательство: Elsevier BV
Местоположение издательства: Netherlands
Первая страница: 122011
DOI: 10.1016/j.polymer.2019.122011
Аннотация: New cross-linked polymers with different morphology based on cyclotriphosphazene and polysiloxane precursors were obtained by the thiol-ene radical addition. A series of samples such as aerogels with various density, a xerogel, a monolith and a film were prepared and their physicomechanical properties were studied. Phosphazene-containing polymeric aerogels were prepared directly in supercritical carbon dioxide (scCO2) media. The morphology of the samples was investigated by scanning electron microscopy (SEM). The average particle size in the aerogels was in the range of 2-15 μm. The mechanical properties of all the samples were studied by the compression test. It was shown that the Young modulus of the monolith (95 MPa) was 7 times larger than that of the xerogel (14 MPa). The aerogels are porous elastic polymers with the Young modulus of 0.032 and 0.257 MPa, correspondingly. The thermal stability of the samples was evaluated by thermal gravimetric analysis (TGA). Weight loss was observed in the range of 255-298 °C in air and 251-295 °C in argon for all the samples. Aerogel samples have a greater water contact angle (130° for A1 and 136° for A2) than xerogel (122°), monolith (121°) and film samples (84°), which can be explained by the lotus effect.
Добавил в систему: Моргалюк Василий Петрович

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1.	Polymer_pages.pdf		Polymer_pages.pdf	125,2 КБ	27 ноября 2019 [MorgalyukVasily]
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