Cationic polymerization of 3,6- dibromo-9(2,3-epoxypropyl) carbazole in the presence of allyl alcohol or acrylic acid

Polymerization of 3,6‐dibromo‐9‐(2,3‐epoxypropyl) carbazole with SnCl4 in the presence of allyl alcohol or acrylic acid has been studied. This reaction has proved to be a convenient method of obtaining macromonomers containing allyl or acrylic functional groups. It was shown that both in the presence of allyl alcohol and acrylic acid polymerization proceeds by an activated monomer mechanism. Allyl alcohol and acrylic acid at the initial stage of reaction play the role of starting proton donor compound. However in contrast to allyl alcohol, acrylic acid is not totally consumed. Peculiarities of the mechanism of propagation are discussed.