“…These concern the -N=Nand -NO 2 groups that are "traps" for free radicals during polymerization [17]. So, azobenzenecontaining (co)polymers can be obtained by modifycation, in particular, with polyacryl chloride [18,19], poly(meth)acrylic acid [17,20], poly(2-(phenylethylamino)ethylacrylate) [21], poly(benzolisocyanate) [22], polyethyleneimine [23], epoxy polymers [24,25], as well as "living" (co)polymers containing, for example, blocks of poly(2-hydroxyethylmethacrylate) [13,26], isoprene [27,28], butadiene [29,30].…”