Abstract

The interaction of water and asphalt concrete is known to result in stripping or loss of adhesion and consequential detachment of the asphalt from the aggregate. Aggregate treated with selected polymer latex emulsions resulted in the deposition of a thin polymer film on the aggregate surface. Use of aggregates treated with these polymer emulsions resulted in a much stronger bond at the asphalt-aggregate interface. Scanning electron microscope studies showed that a thin polymer film covered the aggregate surface. The thickness of the film was measured for each sample.

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