Air-Blown Asphalt Made From Room Temperature And Ambient Pressure Under Ultrasound

  • H. J. Lian
  • T. F. Yen


In general, air-blown asphalt can be made by several methods, which employ high temperature and pressure conditions. A new method, which not only can overcome this high temperature and pressure problem, but also can effectively produce air-blown asphalt within a short time, is to increase asphaltene content rapidly by adding a surfactant into an asphalt emulsion system under ultrasound. This method can produce different types of asphalt for various usages such as sol-gel type asphalt for the encapsulation of hazardous material and gel type asphalt for metal surface coating.


Emulsion Polymerization Ferrous Sulfate Hydroxyl Free Radical Ferrous Salt Asphaltene Content 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • H. J. Lian
    • 1
  • T. F. Yen
    • 1
  1. 1.Environmental and Civil EngineeringUniversity of Southern CaliforniaLos AngelesUSA

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