AbstractThe syntheses of tetraphenylporphyrins1b, d, econtaining four methacryloyloxy or 2,4‐hexadienoyloxy substituents and phthalocyanines2b, dcontaining four methacryloyloxy substituents are described. Copolymerizations with styrene in solution were investigated in detail, and the compositions and molecular weights of the copolymers were determined. In addition, homopolymerizations in solution were carried out. After coating on quartz or KBr plates, the thermal and photochemically induced homopolymerizations were investigated fundamentall