Methacrylate compositions modified by oligosilsesquioxanes with methacryl and cyclotriphosphazene substituentsстатья
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Дата последнего поиска статьи во внешних источниках: 9 ноября 2017 г.
Авторы:
Bredov N.S. ,
Shporta E.Y. ,
Gorlov M.V. ,
Kireev V.V. ,
Filatov S.N. ,
Posokhova V.F. ,
Chuev V.P.
Журнал:
Polymer Science, Series B
Том:
57
Номер:
5
Год издания:
2015
Издательство:
Pleiades Publishing, Ltd
Местоположение издательства:
Road Town, United Kingdom
Первая страница:
444
Последняя страница:
450
DOI:
10.1134/S1560090415050024
Аннотация:
Triethoxysilylphosphazenes have been synthesized via hydrosilylation of cyclotriphosphazenes with various contents of 4-allyl-2-methoxyphenoxy groups by triethoxysilane at an equimolar phosphazene–silane ratio. Hydrolytic copolycondensation of the latter compounds with ?-methacryloxypropyltrimethoxysilane resulted in oligosiloxanes involving functional methacrylic and phosphazene fragments. The oligomers have been used as additives to a dental composition based on bisphenol A-diglycidyl methacrylate and triethylene glycol dimethacrylate. The modified filled compositions are characterized by reduced (4-fold) sensitivity to external illumination and improved strength properties and microhardness. © 2015, Pleiades Publishing, Ltd.
Добавил в систему:
Филатов Сергей Николаевич