Synthesis and Properties of Titanium Glycolate Ti(OCH₂CH₂O)₂

V. N. Krasil’nikov, A. P. Shtin, O. I. Gyrdasova, E. V. Polyakov, and G. P. Shveikin

Institute of Solid-State Chemistry, Ural Division, Russian Academy of Sciences,
ul. Pervomaiskaya 91, Yekaterinburg, 620219 Russia

Received May 4, 2007

Abstract—A new efficient method for the synthesis of extended micro- and nano-sized crystals (whiskers,
fibers) of titanium glycolate Ti(OCH₂CH₂O)₂ has been suggested. The method implies the reaction of hydrated
titanium dioxide with ethylene glycol on heating in air. Thermolysis of Ti(OCH₂CH₂O)₂ in air gives titanium
dioxide as anatase (400500C) and rutile (T > 700C), the morphology of titanium glycolate crystals being
inherited by the oxide. The pseudocrystals of the thermolysis product in an inert gas medium (T = 500950C)
represent aglomeration of nano-sized titanium dioxide particles and amorphous carbon. At temperatures up to
1300C, the formation of the TiO_2xC_x phase with a rutile structure is probable. In a wet air environment, tita-
nium glycolate is partially hydrolyzed to give TiO_x(OCH₂CH₂O)_22x(OH)_2x · xH₂O (0 x 1) and on keeping
in water at room temperature, ethylene glycol is completely displaced from the crystals. This process is also not
accompanied by changes in the particle morphology.

DOI: 10.1134/S0036023608070152

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