A modified asphalt composition is provided comprising-at least one plastomer, at least one elastomer, at least one crosslinking agent and asphalt. More specifically, a modified asphalt composition is provided comprising an oxidized polyethylene, a styrene-butadiene-styrene block copolymer, sulfur, and asphalt. A hot mix asphalt composition is also provided comprising the modified asphalt composition and aggregate. Processes for producing the modified asphalt composition and the hot mix asphalt composition are also provided as well as articles produced from these inventive compositions.
改性
沥青组合物包括至少一种弹性体、至少一种弹性体、至少一种
交联剂和
沥青。更具体地说,改性
沥青组合物由氧化聚
乙烯、
苯乙烯-
丁二烯-
苯乙烯嵌段共聚物、
硫和
沥青组成。还提供了一种热拌
沥青组合物,由改性
沥青组合物和集料组成。此外,还提供了生产改性
沥青组合物和热拌
沥青组合物的工艺,以及用这些发明组合物生产的物品。