Plaster of Paris (Stucco) as mixing aid for aqueous bituminous emulsion aggregate slurries

摘要

Improved mixability (extended set time) and adhesion (asphalt coating on aggregate) are disclosed for cationic and anionic bituminous emulsion- aggregate paving slurries by the addition to the emulsion- aggregate mixture of small amounts of calcium sulfate hemihydrate (Plaster of Paris) .