The block radical polymerization of methylmethacrylate in the presence of 0.005-1.500 мас .%. diallylbenzophenone (DABP) was performed and has been found that DABP is included in the polymethylmethacrylate (PMMA) macromolecules. The effect of this modification on the spectral transparency factor and kinetics of photoaging of PMMA by UV-irradiation was studied. It has been found that DABP is UV-absorber. However, the role of DABP as the internal photostabilizers of polymer is observed only at concentrations of 0.05 0.005 wt%.
полиметилметакрилат, модификация, диаллилбензофенон, спектральный коэффициент пропускания, фотостабильность, polymethylmethacrylate, modification, diallylbenzophenone, spectral transparency factor, photostability
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