Asphalt modifiers for "warm mix" applications including...

Details Asphalt modifiers for "warm mix" applications including... Asphalt modifiers for "warm mix" applications including...

C - Chemistry, Metallurgy

08

L

C08L 95/00 (2006.01) C08K 3/20 (2006.01) E01C 7/00 (2006.01)

Patent

CA 2705696

The present invention generally relates to an additive package for warm-mix asphalt formulations for the pavement of road surfaces, said additive package comprising a) surfactant component, and b) an asphalt rheology modifying component, wherein said asphalt rheology modifying component comprises at least one of a i) a wax component and ii) a resin component. The invention also relates to a warm mix asphalt having improved compaction at lower temperatures, and to a pavement made from said warm mix asphalt.

L'invention concerne, de manière générale, un ensemble d'additifs destiné à des formulations d'asphalte mélangées à chaud destinées à la chaussée des surfaces routières, cet ensemble d'additifs comprend a) un composant tensioactif, et b) un composant modifiant la rhéologie de l'asphalte, ce composant comprenant au moins i) un composant de cire et ii) un composant de résine. L'invention concerne également un asphalte mélangé à chaud à compaction améliorée à des températures inférieures, et une chaussée fabriquée à partir de cet asphalte mélangé à chaud.

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