FIELD: construction materials.
SUBSTANCE: invention relates to road-building materials, namely bituminous binders, and can be used in road construction with asphalt-concrete coating. Modified bitumen includes, % by weight: bitumen road oil viscous 98.0–99.0 and the condensation product of oleic acid with diethylenetriamine or triethylenetetramine with an amine number – 1 g HCl / 100 g not more than 4.5 and acid number – 14 g KOH / 1 g not more than 20 – the rest.
EFFECT: invention makes it possible to increase the adhesion properties to mineral materials of acidic and basic chemical-mineralogical composition, slow down the processes of thermal aging, increase the biological resistance to the effects of microorganisms, reduce the dynamic viscosity of modified bitumen, as well as reduce water saturation and increase the strength of asphalt binders on the basis of modified bitumen under the influence of climatic factors.
1 cl, 7 ex, 6 tbl
| Title | Year | Author | Number |
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