Research Article
Polyfunctional Modifiers for Bitumen and Bituminous Materials with High Performance
Table 6
Results of the quality tests of bitumen modified with the use of synthesized compounds.
| | Compound | Dosage, % | Softening temperature,
°С | Penetration,
0,1 mm | Ductility, cm | Adhesion, points | Brittleness temperature by Fraas, °С | The change of bitumen softening point after heating (), °С | | 25°С | 0°С | 25°С | 0°С |
| | Original bitumen | — | 49.7 | 67 | 22 | 84 | 5.5 | 2 | | 5.0 |
| | Compound (IIIa) () | 0.1 | 49.5 | 67 | 22 | 84 | 5.5 | 3 | | — | | 0.25 | 49.3 | 70 | 23 | 84 | 5.5 | 4 | | 3.0 | | 0.5 | 49 | 72 | 24 | 84 | 5.5 | 5 | | 2.1 | | 1.0 | 48.8 | 75 | 25 | 85 | 5.6 | 5 | | 1.0 | | 1.5 | 48.5 | 78 | 26 | 86 | 5.7 | 5 | | — |
| | Compound (IIIб) () | 0.1 | 49.5 | 67 | 22 | 84 | 5.5 | 3 | | — | | 0.25 | 49.3 | 67 | 22 | 84 | 5.5 | 4 | | 3.2 | | 0.5 | 49 | 68 | 23 | 84 | 5.5 | 5 | | 2.0 | | 1.0 | 48.8 | 69 | 23 | 85 | 5.6 | 5 | | 1.0 | | 1.5 | 48.5 | 70 | 24 | 86 | 5.7 | 5 | | — |
| | Compound (IIIв) () | 0.1 | 49.6 | 67 | 22 | 84 | 5.5 | 3 | | — | | 0.25 | 49.5 | 67 | 22 | 84 | 5.5 | 4 | | 3.5 | | 0.5 | 49.3 | 68 | 23 | 84 | 5.5 | 5 | | 2.3 | | 1.0 | 49.0 | 69 | 23 | 85 | 5.6 | 5 | | 1.0 | | 1.5 | 48.6 | 70 | 24 | 86 | 5.7 | 5 | | — |
| | “Amidan” | 0.1 | 45 | 120 | | | | 3 | | — | | 0.25 | 45 | 120 | | | | 4 | | 7.0 | | 0.5 | 45 | 120 | | | | 5 | | 6.5 | | 1.0 | 46 | 115 | | | | 5 | | 6.0 | | 1.5 | 46 | 115 | | | | 5 | | 5.0 |
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