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POLYOLEFIN ASPHALT MODIFIERS, METHODS OF MODIFYING ASPHALT, ASPHALT COMPOSITIONS AND METHODS OF MAKING

  • US 20180312694A1
  • Filed: 04/10/2017
  • Published: 11/01/2018
  • Est. Priority Date: 03/08/2009
  • Status: Active Grant
First Claim
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1. A method of forming a modified asphalt, the method comprising:

  • preparing an additive comprising wax, polypropylene, and glycidyl functional polymer;

    preparing a first concentrate comprising the additive and a first asphalt portion;

    preparing a second concentrate of ground tire rubber and second asphalt portion, wherein the first asphalt portion and the second asphalt portion may be the same or different types of asphalts; and

    ,combining the concentrates to form a modified asphalt.

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