Bituminous compositions

C - Chemistry – Metallurgy – 10 – C

Patent

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Details

C10C 3/02 (2006.01) C08K 5/16 (2006.01) C08L 95/00 (2006.01)

Patent

CA 2716075

This invention relates to the modification of bitumen by polymeric materials used particularly for the preparation of asphalt mixtures with enhanced mechanical properties, wherein the polymeric materials are selected from additives capable of forming a supramolecular assembly. The modified bitumen may be used for the fabrication of asphalts mixtures with mineral aggregates used in construction or maintenance of sidewalks, roads, highways, parking lots or airport runaways and service roads and any other rolling surfaces.

Cette invention porte sur la modification de bitume par des matières polymères utilisées en particulier pour la préparation de mélanges d'asphalte avec des propriétés mécaniques augmentées, les matières polymères étant choisies parmi les additifs capables de former un assemblage supramoléculaire. Le bitume modifié peut être utilisé pour la fabrication de mélanges d'asphalte avec des agrégats minéraux utilisés dans la construction ou l'entretien de trottoirs, de routes, d'autoroutes, de parcs de stationnement ou de pistes d'aéroport et de routes de service et toutes autres surfaces de roulement.

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