№2 (2017) 2
https://doi.org/10.15407/polymerj.39.02.83
The effect of poly(titanium oxide) was obtained by sol-gel method on the thermophysical properties of organic-inorganic interpenetrating polymer networks
T.V. Tsebrienko, N. V. Yarova, T.T. Alekseeva
Institute of Macromolecular Chemistry NAS of Ukraine
48, Kharkivs’ke shose, Kyiv 02160, Ukraine
Polym. J., 2017, 39, № 2: 83-88.
Section: Structure and properties.
Language: Ukrainian.
Abstract:
The thermophysical properties of the organic-inorganic interpenetrating polymer networks (OI IPNs) based on the crosslinked polyurethane (PU), poly(hydroxyethyl methacrylate) (PHEMA) and poly(titanium oxide) (–TiO2–)n was obtained by sol-gel method in the presence of poly(oxypropylene glycol) (POPG) at various molar ratio of titanium isopropoxide (Ti(OPri)4) and water have been studied. The samples of OI IPNs with different content of poly(titanium oxide) were synthesized and it is shown, that varying amount of inorganic component affects on their formation. It is established, that obtained OI IPNs are two-phase systems, which consist of phases with almost pure components and the interfacial region. The mass fractions of polymers in the evolved phases has been calculated using Fox equation. The interfacial region in the studied samples, which is a relative value, was calculated by Frid equation. It is shown that the value of IFR, which the forced compatibility of the system was persisted, increases with the growth of the quantity of inorganic component in OI IPNs and with the molar ratio of Ti(OPri)4/H2O = 1/1 at the formation of poly(titanium oxide).
Keywords: interpenetrating polymer networks, polyurethane, poly(hydroxyethyl methacrylate), poly(titanium oxide), interfacial region.
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