Open-graded asphalt emulsion mixes

C - Chemistry – Metallurgy – 08 – L

Patent

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6/159, 400/1600,

C08L 95/00 (2006.01) E01C 7/22 (2006.01) E01C 7/24 (2006.01)

Patent

CA 1114545

ABSTRACT OF THE DISCLOSURE OPEN-GRADED ASPHALT EMULSION MIXES An open-graded emulsified asphalt paving mix is provided comprising a major portion of open-graded aggregate and a minor portion of cationic or anionic bituminous emulsion, the mix containing a minor portion of a polyelectrolyte having the opposite electric charge from that of the asphalt emulsifier which imparts excellent water resistance properties to pavement prepared from the mix. A method for producing the polyelectrolyte in situ is also provided.

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