Modification of bitumen with polymers additives, secondary raw materials and by-products of the industry

The article presents the results of study of the effect of polymer additives from divinyl styrene thermoplastic elastomer, vegetable oil tar, gossypol resin and residue from the regeneration of used lubricating oils on the physical and mechanical properties of bitumen. It has been shown that the use of above additives improves the physical and mechanical properties of bitumen. (author)