FIELD: road construction industry.
SUBSTANCE: invention relates to materials used in the road construction industry, namely to the use of a residual selective purification extract as a carrier medium for primary carbon nanomaterials in a modifying additive for a bituminous binder. The technical result of the claimed invention is to increase the physical and mechanical properties of the polymer-bitumen binder, namely the improvement of heat resistance and resistance to low temperatures, the increase in elasticity while maintaining plasticity, while inhibiting aging and improving adhesive bond.
EFFECT: increase in the physical and mechanical properties of the polymer-bitumen binder.
4 cl, 4 dwg, 7 tbl, 26 ex
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