Stereocontrol of Methyl Methacrylate during Photoinduced Nitroxide-Mediated Polymerization in the Presence of Photosensitive Alkoxyamine

Figure 3

(a) UV absorption spectra. (b) Fluorescence spectra, = excitation spectrum, and = emission spectrum. (c) Plot of nitroxide concentration versus irradiation time under inert atmosphere, initial concentration of PE-TEMPO-Q is  mol/L; the inset shows the EPR spectrum of obtained nitroxide after photolysis at 60 min at 20 mW/cm².

(a)

(b)

(c)