High-modulus asphalt material with excellent durability and preparation method thereof
An asphalt material, high modulus technology, applied in building insulation materials, building components, buildings, etc., can solve the problems of decreased durability of asphalt materials, shortening the service life of roads, hardening and cracking of asphalt pavement, and improving heat resistance , good synergistic effect, and the effect of improving fatigue performance
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Embodiment 1
[0032] The high modulus asphalt material with excellent durability comprises the following steps:
[0033](1) The high modulus additive is mainly composed of the following components in parts by mass: 18 parts of styrene-butadiene-styrene block copolymer, 12 parts of high-density polyethylene, and 10 parts of polyethylene PE , 8 parts of low-density polyethylene, 6 parts of organosilicon-modified hydroxyl-terminated hyperbranched polyester resin, 6 parts of polypropylene, and 6 parts of linear low-density polyethylene. Prepare materials according to the above formula, and prepare styrene-butadiene-benzene Ethylene block copolymer, high-density polyethylene, polyethylene PE, low-density polyethylene, silicone-modified hydroxyl-terminated hyperbranched polyester resin, polypropylene, and linear low-density polyethylene are uniformly mixed, heated and melted, and heated and melted at 200°C, heated and melted, extruded through a screw extruder, cooled at room temperature, cut into...
Embodiment 2
[0038] (1) The high-modulus additive is mainly composed of the following components in parts by mass: 15 parts of styrene-butadiene-styrene block copolymer, 10 parts of high-density polyethylene, and 12 parts of polyethylene PE , 10 parts of low-density polyethylene, 6 parts of organosilicon-modified hydroxyl-terminated hyperbranched polyester resin, 8 parts of polypropylene, and 5 parts of linear low-density polyethylene, prepare materials according to the above formula, and prepare styrene-butadiene-benzene Ethylene block copolymer, high-density polyethylene, polyethylene PE, low-density polyethylene, silicone-modified hydroxyl-terminated hyperbranched polyester resin, polypropylene, and linear low-density polyethylene are uniformly mixed, heated and melted, and heated and melted 210°C, heat and melt, extrude through a screw extruder, cool at room temperature, cut into granules, and obtain high modulus additives;
[0039] (2) According to the above formula, the No. 15 hard a...
Embodiment 3
[0043] (1) The high modulus additive is mainly composed of the following components in parts by mass: 16 parts of styrene-butadiene-styrene block copolymer, 12 parts of high-density polyethylene, and 12 parts of polyethylene PE , 8 parts of low-density polyethylene, 10 parts of organosilicon-modified hydroxyl-terminated hyperbranched polyester resin, 6 parts of polypropylene, and 5 parts of linear low-density polyethylene, prepare materials according to the above formula, and prepare styrene-butadiene-benzene Ethylene block copolymer, high-density polyethylene, polyethylene PE, low-density polyethylene, silicone-modified hydroxyl-terminated hyperbranched polyester resin, polypropylene, and linear low-density polyethylene are uniformly mixed, heated and melted, and heated and melted 210°C, heat and melt, extrude through a screw extruder, cool at room temperature, cut into granules, and obtain high modulus additives;
[0044] (2) According to the above formula, the No. 15 hard a...
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