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    • 9. 发明授权
    • Modified asphalt binder material using crosslinked crumb rubber and methods of manufacturing the modified asphalt binder
    • 使用交联的碎屑橡胶的改性沥青粘合剂材料和改性沥青粘合剂的制造方法
    • US07417082B2
    • 2008-08-26
    • US11416676
    • 2006-05-03
    • Jean-Valery Martin
    • Jean-Valery Martin
    • C08L95/00C09D195/00
    • C08L95/00C08K3/06C08K5/42C08K5/52C08L17/00C08L2207/24C08L2666/08
    • Bituminous asphalt binder materials which are modified by the addition of crumb rubber or ground tire rubber and a cross-linking agent are described. In addition, methods are provided for producing a modified asphalt binder containing crumb rubber or ground tire rubber and a cross-linking agent. The modified asphalt binders comprise neat asphalt, crumb rubber, one or more acids and a cross-linking agent. Optionally, the modified asphalt binder may include one or more polymer additives. The crumb rubber may be obtained from recycled truck and/or automobile tires. The addition of crumb rubber in asphalt binders can improve the consistency and properties of the asphalt binders at high and low temperatures. In particular, the modified asphalt binders of the present invention exhibit improved elastic behavior, resulting in improved performance of roads or other surfaces paved using the modified asphalt binder. Road resistance to permanent deformation, fatigue cracking and thermal cracking is improved by use of the modified asphalt binder.
    • 描述了通过添加碎屑橡胶或研磨轮胎橡胶和交联剂改性的沥青沥青粘合剂材料。 此外,提供了用于生产含有碎屑橡胶或研磨轮胎橡胶和交联剂的改性沥青粘合剂的方法。 改性沥青粘合剂包括纯沥青,碎屑橡胶,一种或多种酸和交联剂。 任选地,改性沥青粘合剂可以包括一种或多种聚合物添加剂。 碎屑橡胶可以从再循环的卡车和/或汽车轮胎获得。 在沥青粘合剂中添加碎屑橡胶可以改善沥青粘合剂在高低温下的稠度和性能。 特别地,本发明的改性沥青粘合剂表现出改进的弹性性能,从而改善了使用改性沥青粘合剂铺设的道路或其它表面的性能。 通过使用改性沥青粘合剂,可以改善耐永久变形,疲劳裂纹和热裂纹的路面阻力。