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Belgorod, Russia

Kireev V.V.,Mendeleev University of Chemical Technology | Chistyakov E.M.,Mendeleev University of Chemical Technology | Filatov S.N.,Mendeleev University of Chemical Technology | Tupikov A.S.,Mendeleev University of Chemical Technology | And 2 more authors.
Russian Journal of Applied Chemistry | Year: 2015

Oligophosphazenes containing carboxy and polymerizable methacrylate groups were prepared by the reaction of hexa-p-carboxyphenoxycyclotriphosphazene with glycidyl methacrylate. Introduction of these oligomers in an amount of up to 10 wt % into methacrylate filling dental composites enhances their adhesion to tooth tissues and metals by a factor of 5-7 and the compression strength by 20-30%. © 2015 Pleiades Publishing, Ltd. Source


Kireev V.V.,Mendeleev University of Chemical Technology | Bredov N.S.,Mendeleev University of Chemical Technology | Prudskov B.M.,Mendeleev University of Chemical Technology | Mu J.,Jilin University | And 3 more authors.
Polymer Science - Series B | Year: 2011

Novel oligomeric and polymeric siloxanephosphazenes are synthesized by the catalytic hydrosilylation of eugenol derivatives of hexachlorocyclotriphosphazene with mono- and dihydridesiloxanes and are characterized by 1H and 29Si NMR spectroscopy and laser mass spectroscopy. © 2011 Pleiades Publishing, Ltd. Source


Chistyakov E.M.,Mendeleev University of Chemical Technology | Filatov S.N.,Mendeleev University of Chemical Technology | Kireev V.V.,Mendeleev University of Chemical Technology | Prudskov B.M.,Mendeleev University of Chemical Technology | And 3 more authors.
Polymer Science - Series B | Year: 2013

Oligophosphazenes containing carboxyl groups and copolymerizable double bonds are synthesized through the interaction between hexa-p- hydroxymethylphenoxycyclotriphosphazene and maleic anhydride. The synthesized compounds with a controlled ratio of carboxyl groups and double bonds are used as modifiers of methacrylate dental composites that exhibit high adhesion to hard dental tissues and metals. © 2013 Pleiades Publishing, Ltd. Source


Bredov N.S.,Mendeleev University of Chemical Technology | Shporta E.Yu.,Mendeleev University of Chemical Technology | Liu Y.,Mendeleev University of Chemical Technology | Kireev V.V.,Mendeleev University of Chemical Technology | And 4 more authors.
Polymer Science - Series B | Year: 2013

Methyl acrylate oligosilsesquioxanes based on γ- methacryloxypropyltrimethoxysilane and its mixtures with phenyltrimethoxysilane have been synthesized through acidohydrolytic polycondensation and studied via NMR spectroscopy and MALDI-TOF mass spectrometry. It is shown that the addition of the aforementioned oligosilsesquioxanes to a dental composition based on 2,2-bis[p-(3-metacryloyloxy-2-hydroxypropoxy)phenyl]propane and triethylene glycol dimethacrylate improves the mechanical characteristics of cured polymer composites. © 2013 Pleiades Publishing, Ltd. Source


Bredov N.S.,Mendeleev University of Chemical Technology | Shporta E.Y.,Mendeleev University of Chemical Technology | Gorlov M.V.,Mendeleev University of Chemical Technology | Kireev V.V.,Mendeleev University of Chemical Technology | And 3 more authors.
Polymer Science - Series B | Year: 2015

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. Source

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