Abstract

Asphalt emulsions are water-continuous dispersions of fine asphalt droplets of 1–10μm in diameter, manufactured with the aid of a colloid mill. The emulsions may contain between 40% and 80% asphalt by weight, and they can be anionic or cationic based on the chemical nature of emulsifiers used. This chapter provides in-depth analysis of emulsion production, emulsion properties, and curing mechanisms through fundamental theories of dispersion stability and rheology, and also discusses emulsion residue characterization, which demonstrates advantages of emulsion-based paving technology.

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