Water-in-oil bitumen dispersions and methods for producing...

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 95/00 (2006.01) C08J 3/03 (2006.01) C08K 5/17 (2006.01) C08K 7/00 (2006.01)

Patent

CA 2702151

The present invention relates to bituminous compositions suitable for use in paving applications containing water-in-oil bitumen dispersion of paving grade bitumen such as penetration-graded, viscosity-graded and/or penetration-graded varieties that is substantially free of volatile solvents and made by controlling temperature- dependent interfacial rheology through the use of selected surfactants. The invention paving compositions are suitable for use in the construction of load-bearing, high- traffic pavements at a temperature range lower than that required for conventional hot-mix bituminous paving compositions, yet with similar or superior compaction to densities property and at least equal cure rate.

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