Abstract

Scientific and applied aspects of possible use of cyclic phosphazenes, by-products from phosphonitrilic anilide synthesis, as thermal stabilizers were considered. The solubility and thermal oxidative stability of phosphonitrile anilide trimer and tetramer were studied, the dependence of the curing parameters of oligomethylphenylsiloxane compositions (gel time, temperature intervals of curing) from the structure of the modifying additive was examined, and the resistance of compositions based on oligomethylphenylsiloxane modified with linear and cyclic oligophosphazenes to thermal oxidation at 350°C was evaluated.

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