Method for preparing improved asphalt emulsion compositions

  • US 5,811,477 A
  • Filed: 07/26/1996
  • Issued: 09/22/1998
  • Est. Priority Date: 03/11/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of preparing an improved asphalt emulsion paving composition comprising:

  • mixing aggregate, an aqueous asphalt emulsion, water, polymer latex, reclaimed rubber particles passing through a 20 mesh U.S. series sieve and one or more solid addends selected from the group consisting of a rheological agent, gilsonite, carbon black, surface active clay and polymer fibers, and mixtures thereof wherein the ratio of polymer latex;

    rubber particles is between about 1;

    1 and about 1;

    10, by weight, respectively, and mixing the components at substantially ambient temperature.

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