Road asphalt modifier and preparation method and application thereof
A technology of road asphalt and modifier, which is applied to building components, building insulation materials, buildings, etc., can solve problems such as long mixing time, failure to enter the colloid mill, and poor asphalt modification effect, so as to improve performance and improve durability. Degree, increase the effect of added value
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Embodiment 1
[0043] Base asphalt Jinling 70#
[0044] The amount of road asphalt modifier added (mass) 6.75% (relative to SBS 4.5%)
[0045] Road Asphalt Modifier No. 1
[0046] Road Modified Asphalt Results
[0047] Softening point 79℃ 5℃ Elongation 34.2cm Penetration 45.3 0.1mm
[0048] Road Asphalt Modifier No. 5
[0049]Road Modified Asphalt Results
[0050] Softening point 82℃ 5℃ Elongation 26.5cm Penetration 49.2 0.1mm
Embodiment 2
[0052] Base asphalt Jinling 70#
[0053] Addition amount of road asphalt modifier 9% (relative to SBS 4.5%)
[0054] Road Asphalt Modifier No. 2
[0055] Road Modified Asphalt Results
[0056] Softening point 80.5°C Ductility at 5°C 42.7cm Penetration 50.5 0.1mm
[0057] Road Asphalt Modifier No. 6
[0058] Road Modified Asphalt Results
[0059] Softening point 83℃ 5℃ Elongation 33.8cm Penetration 54.7 0.1mm
Embodiment 3
[0061] Base asphalt Jinling 70#
[0062] Addition of road modifier 11.25% (compared to SBS 4.5%)
[0063] Road Asphalt Modifier No. 3
[0064] Road Modified Asphalt Results
[0065] Softening point 79.6°C Ductility at 5°C 47.0cm Penetration 60.3 0.1mm
[0066] Road Asphalt Modifier No. 7
[0067] Road Modified Asphalt Results
[0068] Softening point 84℃ 5℃ Elongation 39.0cm Penetration 65.0 0.1mm
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