Polyolefin asphalt modifiers, methods of modifying asphalt, asphalt compositions and methods of making

摘要

An asphalt additive comprising a primary rheology modifying component and a secondary rheology modifying component, and asphalt compositions and products having such additive incorporated therein. The primary rheology modifying component is generally a polymer, and the secondary rheology modifying component may comprise a petroleum micro-wax.