Adhesion and cohesion modifiers for asphalt

Details Adhesion and cohesion modifiers for asphalt Adhesion and cohesion modifiers for asphalt

C - Chemistry, Metallurgy

08

L

C08L 95/00 (2006.01) E01C 7/00 (2006.01)

Patent

CA 2694520

The present invention relates to a bitumen or asphalt formulation for the pavement of road surfaces, said formulation comprising a mixture of bitumen and aggregates, and an additive package evenly distributed therein, said additive package comprising from about i) 10 to 60% by weight of an amine or modified amine surfactant, ii) from about 20 to 90% of an asphalt rheology modifying component.

La présente invention concerne une formulation de bitume ou d'asphalte pour la chaussée des surfaces routières, ladite formulation comprenant un mélange de bitume et d'agrégats, et un ensemble d'additifs uniformément distribué dans ledit mélange, le ensemble d'additifs comprenant environ i) 10 à 60 % en poids d'un tensioactif de type amine ou amine modifiée, ii) 20 à 90 % d'un composant modifiant la rhéologie de l'asphalte.

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