Halogen-free roadfire-resistant asphalt
A technology for road petroleum asphalt and asphalt, applied in the field of flame retardant asphalt, can solve problems such as environmental pollution, loss of life and property of the country and people, and achieve the effects of less casualties and property losses, good social and economic benefits, and a simple preparation method
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Embodiment 1
[0029] Weighing by weight: 50 parts of heavy traffic road petroleum asphalt AH-70; 12 parts of melamine phosphate; 7 parts of zinc borate; 7 parts of antimony trioxide; 10 parts of magnesium hydroxide; 10 parts of aluminum hydroxide; parts; modifier 1.5 parts; coupling agent 0.8 parts.
[0030] First, heavy traffic road asphalt AH-70 is melted at a constant temperature of 80°C, and melamine phosphate, zinc borate, antimony trioxide, magnesium hydroxide, aluminum hydroxide, coupling agent and blending agent are added to the molten asphalt. And stir while adding, so that each component can be uniformly mixed in the asphalt, then add the modifier, while adding the modifier, while using a high-speed shearer to cut at 1000r / min for 10min, so that the modifier melts Then continue to shear at a high speed of 5000-6000r / min for 30 minutes, the modifier gradually becomes thinner under the action of shearing, and finally the fine particles are evenly distributed in the asphalt, thus mak...
Embodiment 2
[0032] Weighing by weight: 70 parts of heavy traffic road petroleum asphalt AH-70; 10 parts of melamine phosphate; 2 parts of zinc borate; 2 parts of antimony trioxide; 4 parts of magnesium hydroxide; 4 parts of aluminum hydroxide; blending agent 2 parts; 0.5 parts of modifier; 0.3 parts of coupling agent. The preparation process is the same as in Example 1.
Embodiment 3
[0034] Weighing by weight: 60 parts of heavy traffic road petroleum asphalt AH-70; 12 parts of melamine phosphate; 4.5 parts of zinc borate; 4.5 parts of antimony trioxide; 7 parts of magnesium hydroxide; part; modifier 1 part; coupling agent 0.55 part. The preparation process is the same as in Example 1.
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