Here we explored the nitration of 4,10-dibenzyl-2,6,8,12-tetraacetylhexaazaisowurtzitane (TADB) and isolated and identified all the nitration intermediates. The substitution of the first acetyl group was found to be a key stage in this process. It is this stage where side destructive reactions of the hexaazaisowurtzitane cage take place actively, reducing the yield of CL-20.
It is shown that the strength characteristics of plastics are influenced significantly by the surface effects at the glass fibre-epoxy binder boundary – wetting, impregnation, and adhesion – depending on the chemical composition of the initial glass and the content of reactive groups in the polymer.
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