An emulsion of a polymer modified asphalt

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 95/00 (2006.01) C08K 5/36 (2006.01) C08K 13/02 (2006.01) C08L 21/02 (2006.01)

Patent

CA 2760442

A method for formulating an emulsified polymer modified asphalt, and the emulsion thus created. The method in-cludes mixing at least one polymer and a first binder in a high shear device to produce a polymer-binder composite; mixing the polymer-binder composite with a second binder to form a polymer modified asphalt; and emulsifying the polymer modified as-phalt by combining effective amounts of an emulsifying agent and of water with the polymer modified asphalt.

L'invention concerne un procédé de préparation d'un asphalte modifié par un polymère émulsifié et l'émulsion ainsi créée. Le procédé consiste à mélanger au moins un polymère et un premier liant dans un dispositif à cisaillement élevé pour produire un composite polymère-liant; à mélanger le composite polymère-liant avec un second liant pour former un asphalte modifié par un polymère; et à émulsifier l'asphalte modifié par un polymère par combinaison de quantités efficaces d'un agent émulsifiant et d'eau avec un asphalte modifié par un polymère.

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