| 摘要 |
PURPOSE: An ultra-rapid drying asphalt urethane mixture for worn out roan repairing and a manufacturing method thereof are provided to enhance strength, elasticity, adhesion performance, and water proofing property. CONSTITUTION: An ultra-rapid drying asphalt urethane mixture for worn out roan repairing comprises 90-95 wt% of aggregate for slurry seal and 5-10 wt% of 2 liquid type asphalt-urethane binder. The 2 liquid type asphalt-urethane binder is composed of a hardener part and a main material part. The hardener part includes 60-75 wt% of polyol, 10-25 wt% of amine-based curing agent, 0.5-2 wt% of compatibilizing agents, 0.5-2 wt% of anti-foaming agent, 0.1-0.5 wt% of interlayer adhesion enhancer, 3-4.5 wt% catalyst, and 5-15 wt% of process oil. The main material part includes 20-50 wt% of asphalt, 15-30 wt% of process oil, 30-65 wt% of pre-polymer. The hardener part and the main material part of the 2 liquid type asphalt-urethane binder are mixed at the weight ratio of 1.5-3:1.
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