Asphalt compositions and method of preparation

Details Asphalt compositions and method of preparation Asphalt compositions and method of preparation

C - Chemistry, Metallurgy

08

L

C08L 95/00 (2006.01) C08K 3/32 (2006.01) C08L 53/02 (2006.01)

Patent

CA 2327872

The present invention relates to novel polymer modified asphalt polyphosphoric and superphosphoric acid treated binder compositions having enhanced high service temperature performance properties and the method of making them and to road paving asphalts containing them.

L'invention concerne des nouvelles compositions de liant routier traitées à l'acide polyphosphorique et superphosphorique, possédant des propriétés de performance accrues à des températures de service élevées. L'invention porte aussi sur leur procédé de fabrication et sur des asphaltes routiers les contenant.

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