High viscosity asphalt composition for water draining pavement and preparation method thereof
A technology of high-viscosity asphalt and drainage pavement, which is applied in the direction of building structure, building components, building insulation materials, etc., to achieve the effect of high viscosity, good dispersion and stability
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[0014] Take 100 kilograms of basic asphalt with a penetration of 300, heat it to 180°C, add 8 kilograms of styrene butadiene triblock copolymer (SBS) and 10 kilograms of petroleum resin in sequence, and use a powerful mixer to stir at 200 rpm Stir at a speed of 6 hours, add 0.18 kg of sulfur powder, and continue to stir for 1 hour to prepare modified asphalt. The results are shown in Table 1.
[0015] Index of modified asphalt
[0016] It can be seen from the table that a high-performance modified asphalt is prepared with a viscosity of more than 20,000 Pa.s at 60 degrees and a PG classification of 82-28. The high-performance modified asphalt can be used for OGFC and also for bridges. Special occasions such as surface paving, stress absorption layer, etc.
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