The possibility of application of atactic polypropylene, which isn't used practically in Russian industry right now, is considered in this article. Some series of experiments with different reaction conditions, types of comonomer, types and concentrations of initiators were performed. It was revealed that the copolymer of atactic polypropylene and styrene with initiation made by azoisobutyronitrile has better physical characteristics compared with the reagents. It was concluded that this modification of atactic polypropylene could be produced at the same regions, where propylene factories are located, and the copolymer itself could be used as a chemical additive for bitumens in perspective
