Abstract
The chemical processes occurring in organosilicate composites at temperatures ranging from 20 to 1100°C are considered. The polycondensation reaction of silanol groups of modified polydimethylphenylsiloxane (PDMPS) at a temperature of 250–300°C is complicated by the interaction with vanadium oxide V2O5. The BaO2 peroxide has an effect on the thermooxidative destruction of the composite. It is revealed that new glass-ceramic phases, as well as vanadium-containing and barium-containing phases, are formed in the “PDMPS-muscovite-chrysotile asbestos-aluminoborosilicate glass-ZrO2-V2O5-BaO2” system at temperatures in the range 660–1000°C.
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