Formation of Initiating Systems on the Basis of Cobalt Porphyrins and Benzoyl Peroxide in Chloroform and Methyl Methacrylate

Maria E. Glazkova,^a@ Tatyana A. Ageeva,^b Victor V. Alexandriyskiy,^a,b and Oscar I. Koifman^a,b

^aResearch Institute of Macroheterocyclic Compounds, Ivanovo State University of Chemistry and Technology, 153000
Ivanovo, Russia

^bInstitute of Solution Chemistry of Russian Academy of Sciences, 153045 Ivanovo, Russia

^@Corresponding author E-mail: mega@isuct.ru

To understand the initiating mechanism of the radical polymerization of methyl methacrylate (MMA) in the presence of porphyrin complexes the interaction of Co porphyrins [5,10,15,20-tetraphenylporphyrin (CoTPP), 5,10,15,20-tetra(4-methoxyphenyl)porphyrin (CoTP(MeO)P), 5,10,15,20-tetra(3-butoxyphenyl)porphyrin (CoTP(BuO)P)] with benzoyl peroxide in chloroform and methyl methacrylate was studied using a spectrophotometric method. Oxidation of these metalloporphyrins leads to the formation of isoporphyrins.

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