FIELD: chemistry.
SUBSTANCE: modifying composition contains an active rubber powder, the filler is a mixture of ground mica and diatomite, an adhesive, a structuring agent, and a distillation residue of polyfluorinated alcohols-telomeres with the following component ratio, wt %: active rubber powder 60-75, ground mica 15-25, diatomite - 2-9, adhesive - 1-3, structuring agent - 1-3, distillation residue - 0.5-1.5. The invention also relates to an asphalt-concrete mixture containing mineral materials, bitumen, and a modifying composition in an amount of 0.3 to 0.7 wt % with respect to the total weight of the mineral material.
EFFECT: improving the physical and mechanical characteristics of asphalt concrete.
7 cl, 2 tbl
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